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openwrt-xburst/target/linux/at91/patches-2.6.25/000-at91patches.patch
juhosg 94b5af79b4 [kernel] update to 2.6.25.19, and refresh patches 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13137 3c298f89-4303-0410-b956-a3cf2f4a3e73
2008-11-07 08:44:56 +00:00

13020 lines
369 KiB
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--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -12,18 +12,28 @@ config ARCH_AT91RM9200
config ARCH_AT91SAM9260
bool "AT91SAM9260 or AT91SAM9XE"
+ select GENERIC_TIME
+ select GENERIC_CLOCKEVENTS
config ARCH_AT91SAM9261
bool "AT91SAM9261"
+ select GENERIC_TIME
+ select GENERIC_CLOCKEVENTS
config ARCH_AT91SAM9263
bool "AT91SAM9263"
+ select GENERIC_TIME
+ select GENERIC_CLOCKEVENTS
config ARCH_AT91SAM9RL
bool "AT91SAM9RL"
+ select GENERIC_TIME
+ select GENERIC_CLOCKEVENTS
config ARCH_AT91CAP9
bool "AT91CAP9"
+ select GENERIC_TIME
+ select GENERIC_CLOCKEVENTS
config ARCH_AT91X40
bool "AT91x40"
@@ -45,7 +55,7 @@ config MACH_ONEARM
depends on ARCH_AT91RM9200
help
Select this if you are using Ajeco's 1ARM Single Board Computer.
- <http://www.ajeco.fi/products.htm>
+ <http://www.ajeco.fi/eng/products_e.htm>
config ARCH_AT91RM9200DK
bool "Atmel AT91RM9200-DK Development board"
@@ -94,7 +104,7 @@ config MACH_KB9200
depends on ARCH_AT91RM9200
help
Select this if you are using KwikByte's KB920x board.
- <http://kwikbyte.com/KB9202_description_new.htm>
+ <http://www.kwikbyte.com/KB9202.html>
config MACH_PICOTUX2XX
bool "picotux 200"
@@ -109,6 +119,38 @@ config MACH_KAFA
help
Select this if you are using Sperry-Sun's KAFA board.
+config MACH_CHUB
+ bool "Promwad Chub board"
+ depends on ARCH_AT91RM9200
+ help
+ Select this if you are using Promwad's Chub board.
+
+config MACH_HOMEMATIC
+ bool "eQ-3 HomeMatic"
+ depends on ARCH_AT91RM9200
+ help
+ Select this if you are using eQ-3's HomeMatic device.
+ <http://www.eq-3.com>
+
+config MACH_ECBAT91
+ bool "emQbit ECB_AT91 SBC"
+ depends on ARCH_AT91RM9200
+ help
+ Select this if you are using emQbit's ECB_AT91 board.
+ <http://wiki.emqbit.com/free-ecb-at91>
+
+config MACH_SWEDATMS
+ bool "Sweda TMS Board"
+ depends on ARCH_AT91RM9200
+ help
+ Select this if you are using Sweda TMS-100 board.
+
+config MACH_TT9200
+ bool "Toptech TT9200"
+ depends on ARCH_AT91RM9200
+ help
+ Select this if you are using Toptech's TT9200 board.
+
endif
# ----------------------------------------------------------
@@ -133,6 +175,34 @@ config MACH_AT91SAM9260EK
Select this if you are using Atmel's AT91SAM9260-EK or AT91SAM9XE Evaluation Kit
<http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3933>
+config MACH_CAM60
+ bool "KwikByte KB9260 (CAM60) board"
+ depends on ARCH_AT91SAM9260
+ help
+ Select this if you are using KwikByte's KB9260 (CAM60) board based on the Atmel AT91SAM9260.
+ <http://www.kwikbyte.com/KB9260.html>
+
+config MACH_SAM9_L9260
+ bool "Olimex SAM9-L9260 board"
+ depends on ARCH_AT91SAM9260
+ help
+ Select this if you are using Olimex's SAM9-L9260 board based on the Atmel AT91SAM9260.
+ <http://www.olimex.com/dev/sam9-L9260.html>
+
+config MACH_USB_A9260
+ bool "CALAO USB-A9260"
+ depends on ARCH_AT91SAM9260
+ help
+ Select this if you are using a Calao Systems USB-A9260.
+ <http://www.calao-systems.com>
+
+config MACH_QIL_A9260
+ bool "CALAO QIL-A9260 board"
+ depends on ARCH_AT91SAM9260
+ help
+ Select this if you are using a Calao Systems QIL-A9260 Board.
+ <http://www.calao-systems.com>
+
endif
# ----------------------------------------------------------
@@ -163,6 +233,13 @@ config MACH_AT91SAM9263EK
Select this if you are using Atmel's AT91SAM9263-EK Evaluation Kit.
<http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4057>
+config MACH_USB_A9263
+ bool "CALAO USB-A9263"
+ depends on ARCH_AT91SAM9263
+ help
+ Select this if you are using a Calao Systems USB-A9263.
+ <http://www.calao-systems.com>
+
endif
# ----------------------------------------------------------
@@ -216,7 +293,7 @@ comment "AT91 Board Options"
config MTD_AT91_DATAFLASH_CARD
bool "Enable DataFlash Card support"
- depends on (ARCH_AT91RM9200DK || MACH_AT91RM9200EK || MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_AT91CAP9ADK)
+ depends on (ARCH_AT91RM9200DK || MACH_AT91RM9200EK || MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_ECBAT91 || MACH_SAM9_L9260 || MACH_AT91CAP9ADK)
help
Enable support for the DataFlash card.
@@ -237,6 +314,19 @@ config AT91_PROGRAMMABLE_CLOCKS
Select this if you need to program one or more of the PCK0..PCK3
programmable clock outputs.
+config AT91_SLOW_CLOCK
+ bool "Suspend-to-RAM disables main oscillator"
+ depends on SUSPEND
+ help
+ Select this if you want Suspend-to-RAM to save the most power
+ possible (without powering off the CPU) by disabling the PLLs
+ and main oscillator so that only the 32 KiHz clock is available.
+
+ When only that slow-clock is available, some peripherals lose
+ functionality. Many can't issue wakeup events unless faster
+ clocks are available. Some lose their operating state and
+ need to be completely re-initialized.
+
config AT91_TIMER_HZ
int "Kernel HZ (jiffies per second)"
range 32 1024
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -28,16 +28,26 @@ obj-$(CONFIG_MACH_CARMEVA) += board-carm
obj-$(CONFIG_MACH_KB9200) += board-kb9202.o
obj-$(CONFIG_MACH_ATEB9200) += board-eb9200.o
obj-$(CONFIG_MACH_KAFA) += board-kafa.o
+obj-$(CONFIG_MACH_CHUB) += board-chub.o
obj-$(CONFIG_MACH_PICOTUX2XX) += board-picotux200.o
+obj-$(CONFIG_MACH_HOMEMATIC) += board-homematic.o
+obj-$(CONFIG_MACH_ECBAT91) += board-ecbat91.o
+obj-$(CONFIG_MACH_SWEDATMS) += board-tms.o
+obj-$(CONFIG_MACH_TT9200) += board-tt9200.o
# AT91SAM9260 board-specific support
obj-$(CONFIG_MACH_AT91SAM9260EK) += board-sam9260ek.o
+obj-$(CONFIG_MACH_CAM60) += board-cam60.o
+obj-$(CONFIG_MACH_SAM9_L9260) += board-sam9-l9260.o
+obj-$(CONFIG_MACH_USB_A9260) += board-usb-a9260.o
+obj-$(CONFIG_MACH_QIL_A9260) += board-qil-a9260.o
# AT91SAM9261 board-specific support
obj-$(CONFIG_MACH_AT91SAM9261EK) += board-sam9261ek.o
# AT91SAM9263 board-specific support
obj-$(CONFIG_MACH_AT91SAM9263EK) += board-sam9263ek.o
+obj-$(CONFIG_MACH_USB_A9263) += board-usb-a9263.o
# AT91SAM9RL board-specific support
obj-$(CONFIG_MACH_AT91SAM9RLEK) += board-sam9rlek.o
@@ -50,9 +60,11 @@ obj-$(CONFIG_MACH_AT91EB01) += board-eb0
# Drivers
obj-y += leds.o
+obj-$(CONFIG_FB_S1D13XXX) += ics1523.o
# Power Management
obj-$(CONFIG_PM) += pm.o
+obj-$(CONFIG_AT91_SLOW_CLOCK) += pm_slowclock.o
ifeq ($(CONFIG_PM_DEBUG),y)
CFLAGS_pm.o += -DDEBUG
--- a/arch/arm/mach-at91/at91cap9.c
+++ b/arch/arm/mach-at91/at91cap9.c
@@ -13,12 +13,15 @@
*/
#include <linux/module.h>
+#include <linux/pm.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
+#include <asm/arch/cpu.h>
#include <asm/arch/at91cap9.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
+#include <asm/arch/at91_shdwc.h>
#include "generic.h"
#include "clock.h"
@@ -288,6 +291,12 @@ static void at91cap9_reset(void)
at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
}
+static void at91cap9_poweroff(void)
+{
+ at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
+}
+
+
/* --------------------------------------------------------------------
* AT91CAP9 processor initialization
* -------------------------------------------------------------------- */
@@ -298,6 +307,7 @@ void __init at91cap9_initialize(unsigned
iotable_init(at91cap9_io_desc, ARRAY_SIZE(at91cap9_io_desc));
at91_arch_reset = at91cap9_reset;
+ pm_power_off = at91cap9_poweroff;
at91_extern_irq = (1 << AT91CAP9_ID_IRQ0) | (1 << AT91CAP9_ID_IRQ1);
/* Init clock subsystem */
@@ -308,6 +318,12 @@ void __init at91cap9_initialize(unsigned
/* Register GPIO subsystem */
at91_gpio_init(at91cap9_gpio, 4);
+
+ /* Remember the silicon revision */
+ if (cpu_is_at91cap9_revB())
+ system_rev = 0xB;
+ else if (cpu_is_at91cap9_revC())
+ system_rev = 0xC;
}
/* --------------------------------------------------------------------
--- a/arch/arm/mach-at91/at91cap9_devices.c
+++ b/arch/arm/mach-at91/at91cap9_devices.c
@@ -13,18 +13,20 @@
*/
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
-#include <linux/mtd/physmap.h>
+#include <linux/i2c-gpio.h>
#include <video/atmel_lcdc.h>
#include <asm/arch/board.h>
+#include <asm/arch/cpu.h>
#include <asm/arch/gpio.h>
#include <asm/arch/at91cap9.h>
-#include <asm/arch/at91sam926x_mc.h>
#include <asm/arch/at91cap9_matrix.h>
+#include <asm/arch/at91sam9_smc.h>
#include "generic.h"
@@ -69,6 +71,9 @@ void __init at91_add_device_usbh(struct
if (!data)
return;
+ if (cpu_is_at91cap9_revB())
+ set_irq_type(AT91CAP9_ID_UHP, IRQT_HIGH);
+
/* Enable VBus control for UHP ports */
for (i = 0; i < data->ports; i++) {
if (data->vbus_pin[i])
@@ -84,6 +89,110 @@ void __init at91_add_device_usbh(struct
/* --------------------------------------------------------------------
+ * USB HS Device (Gadget)
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE)
+
+static struct resource usba_udc_resources[] = {
+ [0] = {
+ .start = AT91CAP9_UDPHS_FIFO,
+ .end = AT91CAP9_UDPHS_FIFO + SZ_512K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91CAP9_BASE_UDPHS,
+ .end = AT91CAP9_BASE_UDPHS + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = AT91CAP9_ID_UDPHS,
+ .end = AT91CAP9_ID_UDPHS,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+#define EP(nam, idx, maxpkt, maxbk, dma, isoc) \
+ [idx] = { \
+ .name = nam, \
+ .index = idx, \
+ .fifo_size = maxpkt, \
+ .nr_banks = maxbk, \
+ .can_dma = dma, \
+ .can_isoc = isoc, \
+ }
+
+static struct usba_ep_data usba_udc_ep[] = {
+ EP("ep0", 0, 64, 1, 0, 0),
+ EP("ep1", 1, 1024, 3, 1, 1),
+ EP("ep2", 2, 1024, 3, 1, 1),
+ EP("ep3", 3, 1024, 2, 1, 1),
+ EP("ep4", 4, 1024, 2, 1, 1),
+ EP("ep5", 5, 1024, 2, 1, 0),
+ EP("ep6", 6, 1024, 2, 1, 0),
+ EP("ep7", 7, 1024, 2, 0, 0),
+};
+
+#undef EP
+
+/*
+ * pdata doesn't have room for any endpoints, so we need to
+ * append room for the ones we need right after it.
+ */
+static struct {
+ struct usba_platform_data pdata;
+ struct usba_ep_data ep[8];
+} usba_udc_data;
+
+static struct platform_device at91_usba_udc_device = {
+ .name = "atmel_usba_udc",
+ .id = -1,
+ .dev = {
+ .platform_data = &usba_udc_data.pdata,
+ },
+ .resource = usba_udc_resources,
+ .num_resources = ARRAY_SIZE(usba_udc_resources),
+};
+
+void __init at91_add_device_usba(struct usba_platform_data *data)
+{
+ if (cpu_is_at91cap9_revB()) {
+ set_irq_type(AT91CAP9_ID_UDPHS, IRQT_HIGH);
+ at91_sys_write(AT91_MATRIX_UDPHS, AT91_MATRIX_SELECT_UDPHS |
+ AT91_MATRIX_UDPHS_BYPASS_LOCK);
+ }
+ else
+ at91_sys_write(AT91_MATRIX_UDPHS, AT91_MATRIX_SELECT_UDPHS);
+
+ /*
+ * Invalid pins are 0 on AT91, but the usba driver is shared
+ * with AVR32, which use negative values instead. Once/if
+ * gpio_is_valid() is ported to AT91, revisit this code.
+ */
+ usba_udc_data.pdata.vbus_pin = -EINVAL;
+ usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep);
+ memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));;
+
+ if (data && data->vbus_pin > 0) {
+ at91_set_gpio_input(data->vbus_pin, 0);
+ at91_set_deglitch(data->vbus_pin, 1);
+ usba_udc_data.pdata.vbus_pin = data->vbus_pin;
+ }
+
+ /* Pullup pin is handled internally by USB device peripheral */
+
+ /* Clocks */
+ at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk");
+ at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk");
+
+ platform_device_register(&at91_usba_udc_device);
+}
+#else
+void __init at91_add_device_usba(struct usba_platform_data *data) {}
+#endif
+
+
+/* --------------------------------------------------------------------
* Ethernet
* -------------------------------------------------------------------- */
@@ -246,7 +355,7 @@ void __init at91_add_device_mmc(short mm
}
mmc0_data = *data;
- at91_clock_associate("mci0_clk", &at91cap9_mmc1_device.dev, "mci_clk");
+ at91_clock_associate("mci0_clk", &at91cap9_mmc0_device.dev, "mci_clk");
platform_device_register(&at91cap9_mmc0_device);
} else { /* MCI1 */
/* CLK */
@@ -283,10 +392,15 @@ static struct at91_nand_data nand_data;
#define NAND_BASE AT91_CHIPSELECT_3
static struct resource nand_resources[] = {
- {
+ [0] = {
.start = NAND_BASE,
.end = NAND_BASE + SZ_256M - 1,
.flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91_BASE_SYS + AT91_ECC,
+ .end = AT91_BASE_SYS + AT91_ECC + SZ_512 - 1,
+ .flags = IORESOURCE_MEM,
}
};
@@ -344,6 +458,7 @@ void __init at91_add_device_nand(struct
void __init at91_add_device_nand(struct at91_nand_data *data) {}
#endif
+
/* --------------------------------------------------------------------
* TWI (i2c)
* -------------------------------------------------------------------- */
@@ -532,17 +647,64 @@ void __init at91_add_device_spi(struct s
/* --------------------------------------------------------------------
+ * Timer/Counter block
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_ATMEL_TCLIB
+
+static struct resource tcb_resources[] = {
+ [0] = {
+ .start = AT91CAP9_BASE_TCB0,
+ .end = AT91CAP9_BASE_TCB0 + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91CAP9_ID_TCB,
+ .end = AT91CAP9_ID_TCB,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91cap9_tcb_device = {
+ .name = "atmel_tcb",
+ .id = 0,
+ .resource = tcb_resources,
+ .num_resources = ARRAY_SIZE(tcb_resources),
+};
+
+static void __init at91_add_device_tc(void)
+{
+ /* this chip has one clock and irq for all three TC channels */
+ at91_clock_associate("tcb_clk", &at91cap9_tcb_device.dev, "t0_clk");
+ platform_device_register(&at91cap9_tcb_device);
+}
+#else
+static void __init at91_add_device_tc(void) { }
+#endif
+
+
+/* --------------------------------------------------------------------
* RTT
* -------------------------------------------------------------------- */
+static struct resource rtt_resources[] = {
+ {
+ .start = AT91_BASE_SYS + AT91_RTT,
+ .end = AT91_BASE_SYS + AT91_RTT + SZ_16 - 1,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
static struct platform_device at91cap9_rtt_device = {
.name = "at91_rtt",
- .id = -1,
- .num_resources = 0,
+ .id = 0,
+ .resource = rtt_resources,
+ .num_resources = ARRAY_SIZE(rtt_resources),
};
static void __init at91_add_device_rtt(void)
{
+ device_init_wakeup(&at91cap9_rtt_device.dev, 1);
platform_device_register(&at91cap9_rtt_device);
}
@@ -660,6 +822,9 @@ void __init at91_add_device_lcdc(struct
if (!data)
return;
+ if (cpu_is_at91cap9_revB())
+ set_irq_type(AT91CAP9_ID_LCDC, IRQT_HIGH);
+
at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDHSYNC */
at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDDOTCK */
at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDDEN */
@@ -990,7 +1155,7 @@ static inline void configure_usart2_pins
at91_set_B_periph(AT91_PIN_PD6, 0); /* CTS2 */
}
-static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
+static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
struct platform_device *atmel_default_console_device; /* the serial console device */
void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins)
@@ -1031,8 +1196,6 @@ void __init at91_set_serial_console(unsi
{
if (portnr < ATMEL_MAX_UART)
atmel_default_console_device = at91_uarts[portnr];
- if (!atmel_default_console_device)
- printk(KERN_INFO "AT91: No default serial console defined.\n");
}
void __init at91_add_device_serial(void)
@@ -1043,6 +1206,9 @@ void __init at91_add_device_serial(void)
if (at91_uarts[i])
platform_device_register(at91_uarts[i]);
}
+
+ if (!atmel_default_console_device)
+ printk(KERN_INFO "AT91: No default serial console defined.\n");
}
#else
void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
@@ -1060,6 +1226,7 @@ static int __init at91_add_standard_devi
{
at91_add_device_rtt();
at91_add_device_watchdog();
+ at91_add_device_tc();
return 0;
}
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -513,7 +513,18 @@ void __init at91_add_device_i2c(struct i
* SPI
* -------------------------------------------------------------------- */
-#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
+#if defined(CONFIG_AT91_SPI) || defined(CONFIG_AT91_SPI_MODULE) /* legacy SPI driver */
+#define SPI_DEVNAME "at91_spi"
+
+#elif defined(CONFIG_SPI_AT91) || defined(CONFIG_SPI_AT91_MODULE) /* SPI bitbanging driver */
+#define SPI_DEVNAME "at91_spi"
+
+#elif defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) /* new SPI driver */
+#define SPI_DEVNAME "atmel_spi"
+
+#endif
+
+#ifdef SPI_DEVNAME
static u64 spi_dmamask = DMA_BIT_MASK(32);
static struct resource spi_resources[] = {
@@ -530,7 +541,7 @@ static struct resource spi_resources[] =
};
static struct platform_device at91rm9200_spi_device = {
- .name = "atmel_spi",
+ .name = SPI_DEVNAME,
.id = 0,
.dev = {
.dma_mask = &spi_dmamask,
@@ -563,6 +574,12 @@ void __init at91_add_device_spi(struct s
else
at91_set_gpio_output(cs_pin, 1);
+#if defined(CONFIG_AT91_SPI) || defined(CONFIG_AT91_SPI_MODULE)
+ /*
+ * Force peripheral mode when using the legacy SPI driver.
+ */
+ at91_set_A_periph(cs_pin, 0);
+#endif
/* pass chip-select pin to driver */
devices[i].controller_data = (void *) cs_pin;
@@ -577,6 +594,90 @@ void __init at91_add_device_spi(struct s
/* --------------------------------------------------------------------
+ * Timer/Counter blocks
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_ATMEL_TCLIB
+
+static struct resource tcb0_resources[] = {
+ [0] = {
+ .start = AT91RM9200_BASE_TCB0,
+ .end = AT91RM9200_BASE_TCB0 + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91RM9200_ID_TC0,
+ .end = AT91RM9200_ID_TC0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = AT91RM9200_ID_TC1,
+ .end = AT91RM9200_ID_TC1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = AT91RM9200_ID_TC2,
+ .end = AT91RM9200_ID_TC2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91rm9200_tcb0_device = {
+ .name = "atmel_tcb",
+ .id = 0,
+ .resource = tcb0_resources,
+ .num_resources = ARRAY_SIZE(tcb0_resources),
+};
+
+static struct resource tcb1_resources[] = {
+ [0] = {
+ .start = AT91RM9200_BASE_TCB1,
+ .end = AT91RM9200_BASE_TCB1 + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91RM9200_ID_TC3,
+ .end = AT91RM9200_ID_TC3,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = AT91RM9200_ID_TC4,
+ .end = AT91RM9200_ID_TC4,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = AT91RM9200_ID_TC5,
+ .end = AT91RM9200_ID_TC5,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91rm9200_tcb1_device = {
+ .name = "atmel_tcb",
+ .id = 1,
+ .resource = tcb1_resources,
+ .num_resources = ARRAY_SIZE(tcb1_resources),
+};
+
+static void __init at91_add_device_tc(void)
+{
+ /* this chip has a separate clock and irq for each TC channel */
+ at91_clock_associate("tc0_clk", &at91rm9200_tcb0_device.dev, "t0_clk");
+ at91_clock_associate("tc1_clk", &at91rm9200_tcb0_device.dev, "t1_clk");
+ at91_clock_associate("tc2_clk", &at91rm9200_tcb0_device.dev, "t2_clk");
+ platform_device_register(&at91rm9200_tcb0_device);
+
+ at91_clock_associate("tc3_clk", &at91rm9200_tcb1_device.dev, "t0_clk");
+ at91_clock_associate("tc4_clk", &at91rm9200_tcb1_device.dev, "t1_clk");
+ at91_clock_associate("tc5_clk", &at91rm9200_tcb1_device.dev, "t2_clk");
+ platform_device_register(&at91rm9200_tcb1_device);
+}
+#else
+static void __init at91_add_device_tc(void) { }
+#endif
+
+
+/* --------------------------------------------------------------------
* RTC
* -------------------------------------------------------------------- */
@@ -589,6 +690,7 @@ static struct platform_device at91rm9200
static void __init at91_add_device_rtc(void)
{
+ device_init_wakeup(&at91rm9200_rtc_device.dev, 1);
platform_device_register(&at91rm9200_rtc_device);
}
#else
@@ -1019,7 +1121,7 @@ static inline void configure_usart3_pins
at91_set_B_periph(AT91_PIN_PB0, 0); /* RTS3 */
}
-static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
+static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
struct platform_device *atmel_default_console_device; /* the serial console device */
void __init __deprecated at91_init_serial(struct at91_uart_config *config)
@@ -1110,8 +1212,6 @@ void __init at91_set_serial_console(unsi
{
if (portnr < ATMEL_MAX_UART)
atmel_default_console_device = at91_uarts[portnr];
- if (!atmel_default_console_device)
- printk(KERN_INFO "AT91: No default serial console defined.\n");
}
void __init at91_add_device_serial(void)
@@ -1122,6 +1222,9 @@ void __init at91_add_device_serial(void)
if (at91_uarts[i])
platform_device_register(at91_uarts[i]);
}
+
+ if (!atmel_default_console_device)
+ printk(KERN_INFO "AT91: No default serial console defined.\n");
}
#else
void __init __deprecated at91_init_serial(struct at91_uart_config *config) {}
@@ -1141,6 +1244,7 @@ static int __init at91_add_standard_devi
{
at91_add_device_rtc();
at91_add_device_watchdog();
+ at91_add_device_tc();
return 0;
}
--- a/arch/arm/mach-at91/at91rm9200_time.c
+++ b/arch/arm/mach-at91/at91rm9200_time.c
@@ -136,8 +136,6 @@ clkevt32k_next_event(unsigned long delta
u32 alm;
int status = 0;
- BUG_ON(delta < 2);
-
/* Use "raw" primitives so we behave correctly on RT kernels. */
raw_local_irq_save(flags);
--- a/arch/arm/mach-at91/at91sam9260.c
+++ b/arch/arm/mach-at91/at91sam9260.c
@@ -11,6 +11,7 @@
*/
#include <linux/module.h>
+#include <linux/pm.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@@ -18,6 +19,7 @@
#include <asm/arch/at91sam9260.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
+#include <asm/arch/at91_shdwc.h>
#include "generic.h"
#include "clock.h"
@@ -267,6 +269,11 @@ static void at91sam9260_reset(void)
at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
}
+static void at91sam9260_poweroff(void)
+{
+ at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
+}
+
/* --------------------------------------------------------------------
* AT91SAM9260 processor initialization
@@ -304,6 +311,7 @@ void __init at91sam9260_initialize(unsig
iotable_init(at91sam9260_sram_desc, ARRAY_SIZE(at91sam9260_sram_desc));
at91_arch_reset = at91sam9260_reset;
+ pm_power_off = at91sam9260_poweroff;
at91_extern_irq = (1 << AT91SAM9260_ID_IRQ0) | (1 << AT91SAM9260_ID_IRQ1)
| (1 << AT91SAM9260_ID_IRQ2);
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -19,8 +19,8 @@
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
#include <asm/arch/at91sam9260.h>
-#include <asm/arch/at91sam926x_mc.h>
#include <asm/arch/at91sam9260_matrix.h>
+#include <asm/arch/at91sam9_smc.h>
#include "generic.h"
@@ -288,10 +288,15 @@ static struct at91_nand_data nand_data;
#define NAND_BASE AT91_CHIPSELECT_3
static struct resource nand_resources[] = {
- {
+ [0] = {
.start = NAND_BASE,
.end = NAND_BASE + SZ_256M - 1,
.flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91_BASE_SYS + AT91_ECC,
+ .end = AT91_BASE_SYS + AT91_ECC + SZ_512 - 1,
+ .flags = IORESOURCE_MEM,
}
};
@@ -540,6 +545,90 @@ void __init at91_add_device_spi(struct s
/* --------------------------------------------------------------------
+ * Timer/Counter blocks
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_ATMEL_TCLIB
+
+static struct resource tcb0_resources[] = {
+ [0] = {
+ .start = AT91SAM9260_BASE_TCB0,
+ .end = AT91SAM9260_BASE_TCB0 + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91SAM9260_ID_TC0,
+ .end = AT91SAM9260_ID_TC0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = AT91SAM9260_ID_TC1,
+ .end = AT91SAM9260_ID_TC1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = AT91SAM9260_ID_TC2,
+ .end = AT91SAM9260_ID_TC2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91sam9260_tcb0_device = {
+ .name = "atmel_tcb",
+ .id = 0,
+ .resource = tcb0_resources,
+ .num_resources = ARRAY_SIZE(tcb0_resources),
+};
+
+static struct resource tcb1_resources[] = {
+ [0] = {
+ .start = AT91SAM9260_BASE_TCB1,
+ .end = AT91SAM9260_BASE_TCB1 + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91SAM9260_ID_TC3,
+ .end = AT91SAM9260_ID_TC3,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = AT91SAM9260_ID_TC4,
+ .end = AT91SAM9260_ID_TC4,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = AT91SAM9260_ID_TC5,
+ .end = AT91SAM9260_ID_TC5,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91sam9260_tcb1_device = {
+ .name = "atmel_tcb",
+ .id = 1,
+ .resource = tcb1_resources,
+ .num_resources = ARRAY_SIZE(tcb1_resources),
+};
+
+static void __init at91_add_device_tc(void)
+{
+ /* this chip has a separate clock and irq for each TC channel */
+ at91_clock_associate("tc0_clk", &at91sam9260_tcb0_device.dev, "t0_clk");
+ at91_clock_associate("tc1_clk", &at91sam9260_tcb0_device.dev, "t1_clk");
+ at91_clock_associate("tc2_clk", &at91sam9260_tcb0_device.dev, "t2_clk");
+ platform_device_register(&at91sam9260_tcb0_device);
+
+ at91_clock_associate("tc3_clk", &at91sam9260_tcb1_device.dev, "t0_clk");
+ at91_clock_associate("tc4_clk", &at91sam9260_tcb1_device.dev, "t1_clk");
+ at91_clock_associate("tc5_clk", &at91sam9260_tcb1_device.dev, "t2_clk");
+ platform_device_register(&at91sam9260_tcb1_device);
+}
+#else
+static void __init at91_add_device_tc(void) { }
+#endif
+
+
+/* --------------------------------------------------------------------
* RTT
* -------------------------------------------------------------------- */
@@ -553,13 +642,14 @@ static struct resource rtt_resources[] =
static struct platform_device at91sam9260_rtt_device = {
.name = "at91_rtt",
- .id = -1,
+ .id = 0,
.resource = rtt_resources,
.num_resources = ARRAY_SIZE(rtt_resources),
};
static void __init at91_add_device_rtt(void)
{
+ device_init_wakeup(&at91sam9260_rtt_device.dev, 1);
platform_device_register(&at91sam9260_rtt_device);
}
@@ -962,7 +1052,7 @@ static inline void configure_usart5_pins
at91_set_A_periph(AT91_PIN_PB13, 0); /* RXD5 */
}
-static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
+static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
struct platform_device *atmel_default_console_device; /* the serial console device */
void __init __deprecated at91_init_serial(struct at91_uart_config *config)
@@ -1073,8 +1163,6 @@ void __init at91_set_serial_console(unsi
{
if (portnr < ATMEL_MAX_UART)
atmel_default_console_device = at91_uarts[portnr];
- if (!atmel_default_console_device)
- printk(KERN_INFO "AT91: No default serial console defined.\n");
}
void __init at91_add_device_serial(void)
@@ -1085,6 +1173,9 @@ void __init at91_add_device_serial(void)
if (at91_uarts[i])
platform_device_register(at91_uarts[i]);
}
+
+ if (!atmel_default_console_device)
+ printk(KERN_INFO "AT91: No default serial console defined.\n");
}
#else
void __init __deprecated at91_init_serial(struct at91_uart_config *config) {}
@@ -1103,6 +1194,7 @@ static int __init at91_add_standard_devi
{
at91_add_device_rtt();
at91_add_device_watchdog();
+ at91_add_device_tc();
return 0;
}
--- a/arch/arm/mach-at91/at91sam9261.c
+++ b/arch/arm/mach-at91/at91sam9261.c
@@ -11,12 +11,14 @@
*/
#include <linux/module.h>
+#include <linux/pm.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/arch/at91sam9261.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
+#include <asm/arch/at91_shdwc.h>
#include "generic.h"
#include "clock.h"
@@ -245,6 +247,11 @@ static void at91sam9261_reset(void)
at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
}
+static void at91sam9261_poweroff(void)
+{
+ at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
+}
+
/* --------------------------------------------------------------------
* AT91SAM9261 processor initialization
@@ -256,6 +263,7 @@ void __init at91sam9261_initialize(unsig
iotable_init(at91sam9261_io_desc, ARRAY_SIZE(at91sam9261_io_desc));
at91_arch_reset = at91sam9261_reset;
+ pm_power_off = at91sam9261_poweroff;
at91_extern_irq = (1 << AT91SAM9261_ID_IRQ0) | (1 << AT91SAM9261_ID_IRQ1)
| (1 << AT91SAM9261_ID_IRQ2);
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -24,7 +24,7 @@
#include <asm/arch/gpio.h>
#include <asm/arch/at91sam9261.h>
#include <asm/arch/at91sam9261_matrix.h>
-#include <asm/arch/at91sam926x_mc.h>
+#include <asm/arch/at91sam9_smc.h>
#include "generic.h"
@@ -548,6 +548,55 @@ void __init at91_add_device_lcdc(struct
/* --------------------------------------------------------------------
+ * Timer/Counter block
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_ATMEL_TCLIB
+
+static struct resource tcb_resources[] = {
+ [0] = {
+ .start = AT91SAM9261_BASE_TCB0,
+ .end = AT91SAM9261_BASE_TCB0 + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91SAM9261_ID_TC0,
+ .end = AT91SAM9261_ID_TC0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = AT91SAM9261_ID_TC1,
+ .end = AT91SAM9261_ID_TC1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = AT91SAM9261_ID_TC2,
+ .end = AT91SAM9261_ID_TC2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91sam9261_tcb_device = {
+ .name = "atmel_tcb",
+ .id = 0,
+ .resource = tcb_resources,
+ .num_resources = ARRAY_SIZE(tcb_resources),
+};
+
+static void __init at91_add_device_tc(void)
+{
+ /* this chip has a separate clock and irq for each TC channel */
+ at91_clock_associate("tc0_clk", &at91sam9261_tcb_device.dev, "t0_clk");
+ at91_clock_associate("tc1_clk", &at91sam9261_tcb_device.dev, "t1_clk");
+ at91_clock_associate("tc2_clk", &at91sam9261_tcb_device.dev, "t2_clk");
+ platform_device_register(&at91sam9261_tcb_device);
+}
+#else
+static void __init at91_add_device_tc(void) { }
+#endif
+
+
+/* --------------------------------------------------------------------
* RTT
* -------------------------------------------------------------------- */
@@ -561,13 +610,14 @@ static struct resource rtt_resources[] =
static struct platform_device at91sam9261_rtt_device = {
.name = "at91_rtt",
- .id = -1,
+ .id = 0,
.resource = rtt_resources,
.num_resources = ARRAY_SIZE(rtt_resources),
};
static void __init at91_add_device_rtt(void)
{
+ device_init_wakeup(&at91sam9261_rtt_device.dev, 1);
platform_device_register(&at91sam9261_rtt_device);
}
@@ -938,7 +988,7 @@ static inline void configure_usart2_pins
at91_set_B_periph(AT91_PIN_PA16, 0); /* CTS2 */
}
-static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
+static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
struct platform_device *atmel_default_console_device; /* the serial console device */
void __init __deprecated at91_init_serial(struct at91_uart_config *config)
@@ -1019,8 +1069,6 @@ void __init at91_set_serial_console(unsi
{
if (portnr < ATMEL_MAX_UART)
atmel_default_console_device = at91_uarts[portnr];
- if (!atmel_default_console_device)
- printk(KERN_INFO "AT91: No default serial console defined.\n");
}
void __init at91_add_device_serial(void)
@@ -1031,6 +1079,9 @@ void __init at91_add_device_serial(void)
if (at91_uarts[i])
platform_device_register(at91_uarts[i]);
}
+
+ if (!atmel_default_console_device)
+ printk(KERN_INFO "AT91: No default serial console defined.\n");
}
#else
void __init __deprecated at91_init_serial(struct at91_uart_config *config) {}
@@ -1050,6 +1101,7 @@ static int __init at91_add_standard_devi
{
at91_add_device_rtt();
at91_add_device_watchdog();
+ at91_add_device_tc();
return 0;
}
--- a/arch/arm/mach-at91/at91sam9263.c
+++ b/arch/arm/mach-at91/at91sam9263.c
@@ -11,12 +11,14 @@
*/
#include <linux/module.h>
+#include <linux/pm.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/arch/at91sam9263.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
+#include <asm/arch/at91_shdwc.h>
#include "generic.h"
#include "clock.h"
@@ -271,6 +273,11 @@ static void at91sam9263_reset(void)
at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
}
+static void at91sam9263_poweroff(void)
+{
+ at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
+}
+
/* --------------------------------------------------------------------
* AT91SAM9263 processor initialization
@@ -282,6 +289,7 @@ void __init at91sam9263_initialize(unsig
iotable_init(at91sam9263_io_desc, ARRAY_SIZE(at91sam9263_io_desc));
at91_arch_reset = at91sam9263_reset;
+ pm_power_off = at91sam9263_poweroff;
at91_extern_irq = (1 << AT91SAM9263_ID_IRQ0) | (1 << AT91SAM9263_ID_IRQ1);
/* Init clock subsystem */
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -22,8 +22,8 @@
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
#include <asm/arch/at91sam9263.h>
-#include <asm/arch/at91sam926x_mc.h>
#include <asm/arch/at91sam9263_matrix.h>
+#include <asm/arch/at91sam9_smc.h>
#include "generic.h"
@@ -308,7 +308,7 @@ void __init at91_add_device_mmc(short mm
}
mmc0_data = *data;
- at91_clock_associate("mci0_clk", &at91sam9263_mmc1_device.dev, "mci_clk");
+ at91_clock_associate("mci0_clk", &at91sam9263_mmc0_device.dev, "mci_clk");
platform_device_register(&at91sam9263_mmc0_device);
} else { /* MCI1 */
/* CLK */
@@ -358,10 +358,15 @@ static struct at91_nand_data nand_data;
#define NAND_BASE AT91_CHIPSELECT_3
static struct resource nand_resources[] = {
- {
+ [0] = {
.start = NAND_BASE,
.end = NAND_BASE + SZ_256M - 1,
.flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91_BASE_SYS + AT91_ECC0,
+ .end = AT91_BASE_SYS + AT91_ECC0 + SZ_512 - 1,
+ .flags = IORESOURCE_MEM,
}
};
@@ -783,6 +788,43 @@ void __init at91_add_device_isi(void) {}
/* --------------------------------------------------------------------
+ * Timer/Counter block
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_ATMEL_TCLIB
+
+static struct resource tcb_resources[] = {
+ [0] = {
+ .start = AT91SAM9263_BASE_TCB0,
+ .end = AT91SAM9263_BASE_TCB0 + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91SAM9263_ID_TCB,
+ .end = AT91SAM9263_ID_TCB,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91sam9263_tcb_device = {
+ .name = "atmel_tcb",
+ .id = 0,
+ .resource = tcb_resources,
+ .num_resources = ARRAY_SIZE(tcb_resources),
+};
+
+static void __init at91_add_device_tc(void)
+{
+ /* this chip has one clock and irq for all three TC channels */
+ at91_clock_associate("tcb_clk", &at91sam9263_tcb_device.dev, "t0_clk");
+ platform_device_register(&at91sam9263_tcb_device);
+}
+#else
+static void __init at91_add_device_tc(void) { }
+#endif
+
+
+/* --------------------------------------------------------------------
* RTT
* -------------------------------------------------------------------- */
@@ -818,7 +860,9 @@ static struct platform_device at91sam926
static void __init at91_add_device_rtt(void)
{
+ device_init_wakeup(&at91sam9263_rtt0_device.dev, 1);
platform_device_register(&at91sam9263_rtt0_device);
+ device_init_wakeup(&at91sam9263_rtt1_device.dev, 1);
platform_device_register(&at91sam9263_rtt1_device);
}
@@ -933,9 +977,6 @@ static inline void configure_ssc1_pins(u
}
/*
- * Return the device node so that board init code can use it as the
- * parent for the device node reflecting how it's used on this board.
- *
* SSC controllers are accessed through library code, instead of any
* kind of all-singing/all-dancing driver. For example one could be
* used by a particular I2S audio codec's driver, while another one
@@ -1146,7 +1187,7 @@ static inline void configure_usart2_pins
at91_set_B_periph(AT91_PIN_PD6, 0); /* CTS2 */
}
-static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
+static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
struct platform_device *atmel_default_console_device; /* the serial console device */
void __init __deprecated at91_init_serial(struct at91_uart_config *config)
@@ -1227,8 +1268,6 @@ void __init at91_set_serial_console(unsi
{
if (portnr < ATMEL_MAX_UART)
atmel_default_console_device = at91_uarts[portnr];
- if (!atmel_default_console_device)
- printk(KERN_INFO "AT91: No default serial console defined.\n");
}
void __init at91_add_device_serial(void)
@@ -1239,9 +1278,12 @@ void __init at91_add_device_serial(void)
if (at91_uarts[i])
platform_device_register(at91_uarts[i]);
}
+
+ if (!atmel_default_console_device)
+ printk(KERN_INFO "AT91: No default serial console defined.\n");
}
#else
-void __init at91_init_serial(struct at91_uart_config *config) {}
+void __init __deprecated at91_init_serial(struct at91_uart_config *config) {}
void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {}
void __init at91_set_serial_console(unsigned portnr) {}
void __init at91_add_device_serial(void) {}
@@ -1257,6 +1299,7 @@ static int __init at91_add_standard_devi
{
at91_add_device_rtt();
at91_add_device_watchdog();
+ at91_add_device_tc();
return 0;
}
--- a/arch/arm/mach-at91/at91sam926x_time.c
+++ b/arch/arm/mach-at91/at91sam926x_time.c
@@ -1,23 +1,20 @@
/*
- * linux/arch/arm/mach-at91/at91sam926x_time.c
+ * at91sam926x_time.c - Periodic Interval Timer (PIT) for at91sam926x
*
* Copyright (C) 2005-2006 M. Amine SAYA, ATMEL Rousset, France
* Revision 2005 M. Nicolas Diremdjian, ATMEL Rousset, France
+ * Converted to ClockSource/ClockEvents by David Brownell.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-
-#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/time.h>
+#include <linux/clk.h>
+#include <linux/clockchips.h>
-#include <asm/hardware.h>
-#include <asm/io.h>
#include <asm/mach/time.h>
#include <asm/arch/at91_pit.h>
@@ -26,85 +23,167 @@
#define PIT_CPIV(x) ((x) & AT91_PIT_CPIV)
#define PIT_PICNT(x) (((x) & AT91_PIT_PICNT) >> 20)
+static u32 pit_cycle; /* write-once */
+static u32 pit_cnt; /* access only w/system irq blocked */
+
+
/*
- * Returns number of microseconds since last timer interrupt. Note that interrupts
- * will have been disabled by do_gettimeofday()
- * 'LATCH' is hwclock ticks (see CLOCK_TICK_RATE in timex.h) per jiffy.
+ * Clocksource: just a monotonic counter of MCK/16 cycles.
+ * We don't care whether or not PIT irqs are enabled.
*/
-static unsigned long at91sam926x_gettimeoffset(void)
+static cycle_t read_pit_clk(void)
{
- unsigned long elapsed;
- unsigned long t = at91_sys_read(AT91_PIT_PIIR);
+ unsigned long flags;
+ u32 elapsed;
+ u32 t;
+
+ raw_local_irq_save(flags);
+ elapsed = pit_cnt;
+ t = at91_sys_read(AT91_PIT_PIIR);
+ raw_local_irq_restore(flags);
+
+ elapsed += PIT_PICNT(t) * pit_cycle;
+ elapsed += PIT_CPIV(t);
+ return elapsed;
+}
+
+static struct clocksource pit_clk = {
+ .name = "pit",
+ .rating = 175,
+ .read = read_pit_clk,
+ .shift = 20,
+ .flags = CLOCK_SOURCE_IS_CONTINUOUS,
+};
+
- elapsed = (PIT_PICNT(t) * LATCH) + PIT_CPIV(t); /* hardware clock cycles */
+/*
+ * Clockevent device: interrupts every 1/HZ (== pit_cycles * MCK/16)
+ */
+static void
+pit_clkevt_mode(enum clock_event_mode mode, struct clock_event_device *dev)
+{
+ unsigned long flags;
- return (unsigned long)(elapsed * jiffies_to_usecs(1)) / LATCH;
+ switch (mode) {
+ case CLOCK_EVT_MODE_PERIODIC:
+ /* update clocksource counter, then enable the IRQ */
+ raw_local_irq_save(flags);
+ pit_cnt += pit_cycle * PIT_PICNT(at91_sys_read(AT91_PIT_PIVR));
+ at91_sys_write(AT91_PIT_MR, (pit_cycle - 1) | AT91_PIT_PITEN
+ | AT91_PIT_PITIEN);
+ raw_local_irq_restore(flags);
+ break;
+ case CLOCK_EVT_MODE_ONESHOT:
+ BUG();
+ /* FALLTHROUGH */
+ case CLOCK_EVT_MODE_SHUTDOWN:
+ case CLOCK_EVT_MODE_UNUSED:
+ /* disable irq, leaving the clocksource active */
+ at91_sys_write(AT91_PIT_MR, (pit_cycle - 1) | AT91_PIT_PITEN);
+ break;
+ case CLOCK_EVT_MODE_RESUME:
+ break;
+ }
}
+static struct clock_event_device pit_clkevt = {
+ .name = "pit",
+ .features = CLOCK_EVT_FEAT_PERIODIC,
+ .shift = 32,
+ .rating = 100,
+ .cpumask = CPU_MASK_CPU0,
+ .set_mode = pit_clkevt_mode,
+};
+
+
/*
* IRQ handler for the timer.
*/
-static irqreturn_t at91sam926x_timer_interrupt(int irq, void *dev_id)
+static irqreturn_t at91sam926x_pit_interrupt(int irq, void *dev_id)
{
- volatile long nr_ticks;
- if (at91_sys_read(AT91_PIT_SR) & AT91_PIT_PITS) { /* This is a shared interrupt */
- /* Get number to ticks performed before interrupt and clear PIT interrupt */
+ /* The PIT interrupt may be disabled, and is shared */
+ if ((pit_clkevt.mode == CLOCK_EVT_MODE_PERIODIC)
+ && (at91_sys_read(AT91_PIT_SR) & AT91_PIT_PITS)) {
+ unsigned nr_ticks;
+
+ /* Get number of ticks performed before irq, and ack it */
nr_ticks = PIT_PICNT(at91_sys_read(AT91_PIT_PIVR));
do {
- timer_tick();
+ pit_cnt += pit_cycle;
+ pit_clkevt.event_handler(&pit_clkevt);
nr_ticks--;
} while (nr_ticks);
return IRQ_HANDLED;
- } else
- return IRQ_NONE; /* not handled */
+ }
+
+ return IRQ_NONE;
}
-static struct irqaction at91sam926x_timer_irq = {
+static struct irqaction at91sam926x_pit_irq = {
.name = "at91_tick",
.flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
- .handler = at91sam926x_timer_interrupt
+ .handler = at91sam926x_pit_interrupt
};
-void at91sam926x_timer_reset(void)
+static void at91sam926x_pit_reset(void)
{
- /* Disable timer */
+ /* Disable timer and irqs */
at91_sys_write(AT91_PIT_MR, 0);
- /* Clear any pending interrupts */
- (void) at91_sys_read(AT91_PIT_PIVR);
+ /* Clear any pending interrupts, wait for PIT to stop counting */
+ while (PIT_CPIV(at91_sys_read(AT91_PIT_PIVR)) != 0)
+ cpu_relax();
- /* Set Period Interval timer and enable its interrupt */
- at91_sys_write(AT91_PIT_MR, (LATCH & AT91_PIT_PIV) | AT91_PIT_PITIEN | AT91_PIT_PITEN);
+ /* Start PIT but don't enable IRQ */
+ at91_sys_write(AT91_PIT_MR, (pit_cycle - 1) | AT91_PIT_PITEN);
}
/*
- * Set up timer interrupt.
+ * Set up both clocksource and clockevent support.
*/
-void __init at91sam926x_timer_init(void)
+static void __init at91sam926x_pit_init(void)
{
+ unsigned long pit_rate;
+ unsigned bits;
+
+ /*
+ * Use our actual MCK to figure out how many MCK/16 ticks per
+ * 1/HZ period (instead of a compile-time constant LATCH).
+ */
+ pit_rate = clk_get_rate(clk_get(NULL, "mck")) / 16;
+ pit_cycle = (pit_rate + HZ/2) / HZ;
+ WARN_ON(((pit_cycle - 1) & ~AT91_PIT_PIV) != 0);
+
/* Initialize and enable the timer */
- at91sam926x_timer_reset();
+ at91sam926x_pit_reset();
- /* Make IRQs happen for the system timer. */
- setup_irq(AT91_ID_SYS, &at91sam926x_timer_irq);
+ /*
+ * Register clocksource. The high order bits of PIV are unused,
+ * so this isn't a 32-bit counter unless we get clockevent irqs.
+ */
+ pit_clk.mult = clocksource_hz2mult(pit_rate, pit_clk.shift);
+ bits = 12 /* PICNT */ + ilog2(pit_cycle) /* PIV */;
+ pit_clk.mask = CLOCKSOURCE_MASK(bits);
+ clocksource_register(&pit_clk);
+
+ /* Set up irq handler */
+ setup_irq(AT91_ID_SYS, &at91sam926x_pit_irq);
+
+ /* Set up and register clockevents */
+ pit_clkevt.mult = div_sc(pit_rate, NSEC_PER_SEC, pit_clkevt.shift);
+ clockevents_register_device(&pit_clkevt);
}
-#ifdef CONFIG_PM
-static void at91sam926x_timer_suspend(void)
+static void at91sam926x_pit_suspend(void)
{
/* Disable timer */
at91_sys_write(AT91_PIT_MR, 0);
}
-#else
-#define at91sam926x_timer_suspend NULL
-#endif
struct sys_timer at91sam926x_timer = {
- .init = at91sam926x_timer_init,
- .offset = at91sam926x_gettimeoffset,
- .suspend = at91sam926x_timer_suspend,
- .resume = at91sam926x_timer_reset,
+ .init = at91sam926x_pit_init,
+ .suspend = at91sam926x_pit_suspend,
+ .resume = at91sam926x_pit_reset,
};
-
--- a/arch/arm/mach-at91/at91sam9rl.c
+++ b/arch/arm/mach-at91/at91sam9rl.c
@@ -10,6 +10,7 @@
*/
#include <linux/module.h>
+#include <linux/pm.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@@ -17,6 +18,7 @@
#include <asm/arch/at91sam9rl.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
+#include <asm/arch/at91_shdwc.h>
#include "generic.h"
#include "clock.h"
@@ -244,6 +246,11 @@ static void at91sam9rl_reset(void)
at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_PROCRST | AT91_RSTC_PERRST);
}
+static void at91sam9rl_poweroff(void)
+{
+ at91_sys_write(AT91_SHDW_CR, AT91_SHDW_KEY | AT91_SHDW_SHDW);
+}
+
/* --------------------------------------------------------------------
* AT91SAM9RL processor initialization
@@ -274,6 +281,7 @@ void __init at91sam9rl_initialize(unsign
iotable_init(at91sam9rl_sram_desc, ARRAY_SIZE(at91sam9rl_sram_desc));
at91_arch_reset = at91sam9rl_reset;
+ pm_power_off = at91sam9rl_poweroff;
at91_extern_irq = (1 << AT91SAM9RL_ID_IRQ0);
/* Init clock subsystem */
--- a/arch/arm/mach-at91/at91sam9rl_devices.c
+++ b/arch/arm/mach-at91/at91sam9rl_devices.c
@@ -20,12 +20,107 @@
#include <asm/arch/gpio.h>
#include <asm/arch/at91sam9rl.h>
#include <asm/arch/at91sam9rl_matrix.h>
-#include <asm/arch/at91sam926x_mc.h>
+#include <asm/arch/at91sam9_smc.h>
#include "generic.h"
/* --------------------------------------------------------------------
+ * USB HS Device (Gadget)
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE)
+
+static struct resource usba_udc_resources[] = {
+ [0] = {
+ .start = AT91SAM9RL_UDPHS_FIFO,
+ .end = AT91SAM9RL_UDPHS_FIFO + SZ_512K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91SAM9RL_BASE_UDPHS,
+ .end = AT91SAM9RL_BASE_UDPHS + SZ_1K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = AT91SAM9RL_ID_UDPHS,
+ .end = AT91SAM9RL_ID_UDPHS,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+#define EP(nam, idx, maxpkt, maxbk, dma, isoc) \
+ [idx] = { \
+ .name = nam, \
+ .index = idx, \
+ .fifo_size = maxpkt, \
+ .nr_banks = maxbk, \
+ .can_dma = dma, \
+ .can_isoc = isoc, \
+ }
+
+static struct usba_ep_data usba_udc_ep[] __initdata = {
+ EP("ep0", 0, 64, 1, 0, 0),
+ EP("ep1", 1, 1024, 2, 1, 1),
+ EP("ep2", 2, 1024, 2, 1, 1),
+ EP("ep3", 3, 1024, 3, 1, 0),
+ EP("ep4", 4, 1024, 3, 1, 0),
+ EP("ep5", 5, 1024, 3, 1, 1),
+ EP("ep6", 6, 1024, 3, 1, 1),
+};
+
+#undef EP
+
+/*
+ * pdata doesn't have room for any endpoints, so we need to
+ * append room for the ones we need right after it.
+ */
+static struct {
+ struct usba_platform_data pdata;
+ struct usba_ep_data ep[7];
+} usba_udc_data;
+
+static struct platform_device at91_usba_udc_device = {
+ .name = "atmel_usba_udc",
+ .id = -1,
+ .dev = {
+ .platform_data = &usba_udc_data.pdata,
+ },
+ .resource = usba_udc_resources,
+ .num_resources = ARRAY_SIZE(usba_udc_resources),
+};
+
+void __init at91_add_device_usba(struct usba_platform_data *data)
+{
+ /*
+ * Invalid pins are 0 on AT91, but the usba driver is shared
+ * with AVR32, which use negative values instead. Once/if
+ * gpio_is_valid() is ported to AT91, revisit this code.
+ */
+ usba_udc_data.pdata.vbus_pin = -EINVAL;
+ usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep);
+ memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));;
+
+ if (data && data->vbus_pin > 0) {
+ at91_set_gpio_input(data->vbus_pin, 0);
+ at91_set_deglitch(data->vbus_pin, 1);
+ usba_udc_data.pdata.vbus_pin = data->vbus_pin;
+ }
+
+ /* Pullup pin is handled internally by USB device peripheral */
+
+ /* Clocks */
+ at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk");
+ at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk");
+
+ platform_device_register(&at91_usba_udc_device);
+}
+#else
+void __init at91_add_device_usba(struct usba_platform_data *data) {}
+#endif
+
+
+/* --------------------------------------------------------------------
* MMC / SD
* -------------------------------------------------------------------- */
@@ -105,10 +200,15 @@ static struct at91_nand_data nand_data;
#define NAND_BASE AT91_CHIPSELECT_3
static struct resource nand_resources[] = {
- {
+ [0] = {
.start = NAND_BASE,
.end = NAND_BASE + SZ_256M - 1,
.flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91_BASE_SYS + AT91_ECC,
+ .end = AT91_BASE_SYS + AT91_ECC + SZ_512 - 1,
+ .flags = IORESOURCE_MEM,
}
};
@@ -385,6 +485,100 @@ void __init at91_add_device_lcdc(struct
/* --------------------------------------------------------------------
+ * Timer/Counter block
+ * -------------------------------------------------------------------- */
+
+#ifdef CONFIG_ATMEL_TCLIB
+
+static struct resource tcb_resources[] = {
+ [0] = {
+ .start = AT91SAM9RL_BASE_TCB0,
+ .end = AT91SAM9RL_BASE_TCB0 + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91SAM9RL_ID_TC0,
+ .end = AT91SAM9RL_ID_TC0,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = AT91SAM9RL_ID_TC1,
+ .end = AT91SAM9RL_ID_TC1,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = AT91SAM9RL_ID_TC2,
+ .end = AT91SAM9RL_ID_TC2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91sam9rl_tcb_device = {
+ .name = "atmel_tcb",
+ .id = 0,
+ .resource = tcb_resources,
+ .num_resources = ARRAY_SIZE(tcb_resources),
+};
+
+static void __init at91_add_device_tc(void)
+{
+ /* this chip has a separate clock and irq for each TC channel */
+ at91_clock_associate("tc0_clk", &at91sam9rl_tcb_device.dev, "t0_clk");
+ at91_clock_associate("tc1_clk", &at91sam9rl_tcb_device.dev, "t1_clk");
+ at91_clock_associate("tc2_clk", &at91sam9rl_tcb_device.dev, "t2_clk");
+ platform_device_register(&at91sam9rl_tcb_device);
+}
+#else
+static void __init at91_add_device_tc(void) { }
+#endif
+
+
+/* --------------------------------------------------------------------
+ * Touchscreen
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE)
+static u64 tsadcc_dmamask = DMA_BIT_MASK(32);
+
+static struct resource tsadcc_resources[] = {
+ [0] = {
+ .start = AT91SAM9RL_BASE_TSC,
+ .end = AT91SAM9RL_BASE_TSC + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91SAM9RL_ID_TSC,
+ .end = AT91SAM9RL_ID_TSC,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct platform_device at91_tsadcc_device = {
+ .name = "atmel_tsadcc",
+ .id = -1,
+ .dev = {
+ .dma_mask = &tsadcc_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = tsadcc_resources,
+ .num_resources = ARRAY_SIZE(tsadcc_resources),
+};
+
+void __init at91_add_device_tsadcc(void)
+{
+ at91_set_A_periph(AT91_PIN_PA17, 0); /* AD0_XR */
+ at91_set_A_periph(AT91_PIN_PA18, 0); /* AD1_XL */
+ at91_set_A_periph(AT91_PIN_PA19, 0); /* AD2_YT */
+ at91_set_A_periph(AT91_PIN_PA20, 0); /* AD3_TB */
+
+ platform_device_register(&at91_tsadcc_device);
+}
+#else
+void __init at91_add_device_tsadcc(void) {}
+#endif
+
+
+/* --------------------------------------------------------------------
* RTC
* -------------------------------------------------------------------- */
@@ -397,6 +591,7 @@ static struct platform_device at91sam9rl
static void __init at91_add_device_rtc(void)
{
+ device_init_wakeup(&at91sam9rl_rtc_device.dev, 1);
platform_device_register(&at91sam9rl_rtc_device);
}
#else
@@ -418,13 +613,14 @@ static struct resource rtt_resources[] =
static struct platform_device at91sam9rl_rtt_device = {
.name = "at91_rtt",
- .id = -1,
+ .id = 0,
.resource = rtt_resources,
.num_resources = ARRAY_SIZE(rtt_resources),
};
static void __init at91_add_device_rtt(void)
{
+ device_init_wakeup(&at91sam9rl_rtt_device.dev, 1);
platform_device_register(&at91sam9rl_rtt_device);
}
@@ -539,9 +735,6 @@ static inline void configure_ssc1_pins(u
}
/*
- * Return the device node so that board init code can use it as the
- * parent for the device node reflecting how it's used on this board.
- *
* SSC controllers are accessed through library code, instead of any
* kind of all-singing/all-dancing driver. For example one could be
* used by a particular I2S audio codec's driver, while another one
@@ -802,7 +995,7 @@ static inline void configure_usart3_pins
at91_set_B_periph(AT91_PIN_PD3, 0); /* CTS3 */
}
-static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
+static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
struct platform_device *atmel_default_console_device; /* the serial console device */
void __init __deprecated at91_init_serial(struct at91_uart_config *config)
@@ -893,8 +1086,6 @@ void __init at91_set_serial_console(unsi
{
if (portnr < ATMEL_MAX_UART)
atmel_default_console_device = at91_uarts[portnr];
- if (!atmel_default_console_device)
- printk(KERN_INFO "AT91: No default serial console defined.\n");
}
void __init at91_add_device_serial(void)
@@ -905,6 +1096,9 @@ void __init at91_add_device_serial(void)
if (at91_uarts[i])
platform_device_register(at91_uarts[i]);
}
+
+ if (!atmel_default_console_device)
+ printk(KERN_INFO "AT91: No default serial console defined.\n");
}
#else
void __init __deprecated at91_init_serial(struct at91_uart_config *config) {}
@@ -925,6 +1119,7 @@ static int __init at91_add_standard_devi
at91_add_device_rtc();
at91_add_device_rtt();
at91_add_device_watchdog();
+ at91_add_device_tc();
return 0;
}
--- /dev/null
+++ b/arch/arm/mach-at91/board-cam60.c
@@ -0,0 +1,180 @@
+/*
+ * KwikByte CAM60 (KB9260)
+ *
+ * based on board-sam9260ek.c
+ * Copyright (C) 2005 SAN People
+ * Copyright (C) 2006 Atmel
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+
+#include <asm/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+
+#include "generic.h"
+
+
+static void __init cam60_map_io(void)
+{
+ /* Initialize processor: 10 MHz crystal */
+ at91sam9260_initialize(10000000);
+
+ /* DGBU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
+}
+
+static void __init cam60_init_irq(void)
+{
+ at91sam9260_init_interrupts(NULL);
+}
+
+
+/*
+ * USB Host
+ */
+static struct at91_usbh_data __initdata cam60_usbh_data = {
+ .ports = 1,
+};
+
+
+/*
+ * SPI devices.
+ */
+#if defined(CONFIG_MTD_DATAFLASH)
+static struct mtd_partition __initdata cam60_spi_partitions[] = {
+ {
+ .name = "BOOT1",
+ .offset = 0,
+ .size = 4 * 1056,
+ },
+ {
+ .name = "BOOT2",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 256 * 1056,
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 2222 * 1056,
+ },
+ {
+ .name = "file system",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct flash_platform_data __initdata cam60_spi_flash_platform_data = {
+ .name = "spi_flash",
+ .parts = cam60_spi_partitions,
+ .nr_parts = ARRAY_SIZE(cam60_spi_partitions)
+};
+#endif
+
+static struct spi_board_info cam60_spi_devices[] = {
+#if defined(CONFIG_MTD_DATAFLASH)
+ { /* DataFlash chip */
+ .modalias = "mtd_dataflash",
+ .chip_select = 0,
+ .max_speed_hz = 15 * 1000 * 1000,
+ .bus_num = 0,
+ .platform_data = &cam60_spi_flash_platform_data
+ },
+#endif
+};
+
+
+/*
+ * MACB Ethernet device
+ */
+static struct __initdata at91_eth_data cam60_macb_data = {
+ .phy_irq_pin = AT91_PIN_PB5,
+ .is_rmii = 0,
+};
+
+
+/*
+ * NAND Flash
+ */
+static struct mtd_partition __initdata cam60_nand_partition[] = {
+ {
+ .name = "nand_fs",
+ .offset = 0,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+ *num_partitions = ARRAY_SIZE(cam60_nand_partition);
+ return cam60_nand_partition;
+}
+
+static struct at91_nand_data __initdata cam60_nand_data = {
+ .ale = 21,
+ .cle = 22,
+ // .det_pin = ... not there
+ .rdy_pin = AT91_PIN_PA9,
+ .enable_pin = AT91_PIN_PA7,
+ .partition_info = nand_partitions,
+};
+
+
+static void __init cam60_board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+ /* SPI */
+ at91_add_device_spi(cam60_spi_devices, ARRAY_SIZE(cam60_spi_devices));
+ /* Ethernet */
+ at91_add_device_eth(&cam60_macb_data);
+ /* USB Host */
+ /* enable USB power supply circuit */
+ at91_set_gpio_output(AT91_PIN_PB18, 1);
+ at91_add_device_usbh(&cam60_usbh_data);
+ /* NAND */
+ at91_add_device_nand(&cam60_nand_data);
+}
+
+MACHINE_START(CAM60, "KwikByte CAM60")
+ /* Maintainer: KwikByte */
+ .phys_io = AT91_BASE_SYS,
+ .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+ .boot_params = AT91_SDRAM_BASE + 0x100,
+ .timer = &at91sam926x_timer,
+ .map_io = cam60_map_io,
+ .init_irq = cam60_init_irq,
+ .init_machine = cam60_board_init,
+MACHINE_END
--- a/arch/arm/mach-at91/board-cap9adk.c
+++ b/arch/arm/mach-at91/board-cap9adk.c
@@ -36,16 +36,14 @@
#include <asm/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
-#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
#include <asm/arch/at91cap9_matrix.h>
-#include <asm/arch/at91sam926x_mc.h>
+#include <asm/arch/at91sam9_smc.h>
#include "generic.h"
@@ -78,6 +76,12 @@ static struct at91_usbh_data __initdata
.ports = 2,
};
+/*
+ * USB HS Device port
+ */
+static struct usba_platform_data __initdata cap9adk_usba_udc_data = {
+ .vbus_pin = AT91_PIN_PB31,
+};
/*
* ADS7846 Touchscreen
@@ -130,7 +134,7 @@ static struct spi_board_info cap9adk_spi
{
.modalias = "ads7846",
.chip_select = 3, /* can be 2 or 3, depending on J2 jumper */
- .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
+ .max_speed_hz = 125000 * 16, /* max sample rate * clocks per sample */
.bus_num = 0,
.platform_data = &ads_info,
.irq = AT91_PIN_PC4,
@@ -324,8 +328,9 @@ static void __init cap9adk_board_init(vo
/* Serial */
at91_add_device_serial();
/* USB Host */
- set_irq_type(AT91CAP9_ID_UHP, IRQT_HIGH);
at91_add_device_usbh(&cap9adk_usbh_data);
+ /* USB HS */
+ at91_add_device_usba(&cap9adk_usba_udc_data);
/* SPI */
at91_add_device_spi(cap9adk_spi_devices, ARRAY_SIZE(cap9adk_spi_devices));
/* Touchscreen */
@@ -341,7 +346,6 @@ static void __init cap9adk_board_init(vo
/* I2C */
at91_add_device_i2c(NULL, 0);
/* LCD Controller */
- set_irq_type(AT91CAP9_ID_LCDC, IRQT_HIGH);
at91_add_device_lcdc(&cap9adk_lcdc_data);
/* AC97 */
at91_add_device_ac97(&cap9adk_ac97_data);
--- a/arch/arm/mach-at91/board-carmeva.c
+++ b/arch/arm/mach-at91/board-carmeva.c
@@ -40,24 +40,21 @@
#include "generic.h"
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- */
-static struct at91_uart_config __initdata carmeva_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 2,
- .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
-};
-
static void __init carmeva_map_io(void)
{
/* Initialize processor: 20.000 MHz crystal */
at91rm9200_initialize(20000000, AT91RM9200_BGA);
- /* Setup the serial ports and console */
- at91_init_serial(&carmeva_uart_config);
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+ at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
+ | ATMEL_UART_RI);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
}
static void __init carmeva_init_irq(void)
@@ -117,6 +114,30 @@ static struct spi_board_info carmeva_spi
},
};
+static struct gpio_led carmeva_leds[] = {
+ { /* "user led 1", LED9 */
+ .name = "led9",
+ .gpio = AT91_PIN_PA21,
+ .active_low = 1,
+ .default_trigger = "heartbeat",
+ },
+ { /* "user led 2", LED10 */
+ .name = "led10",
+ .gpio = AT91_PIN_PA25,
+ .active_low = 1,
+ },
+ { /* "user led 3", LED11 */
+ .name = "led11",
+ .gpio = AT91_PIN_PA26,
+ .active_low = 1,
+ },
+ { /* "user led 4", LED12 */
+ .name = "led12",
+ .gpio = AT91_PIN_PA18,
+ .active_low = 1,
+ }
+};
+
static void __init carmeva_board_init(void)
{
/* Serial */
@@ -135,6 +156,8 @@ static void __init carmeva_board_init(vo
// at91_add_device_cf(&carmeva_cf_data);
/* MMC */
at91_add_device_mmc(0, &carmeva_mmc_data);
+ /* LEDs */
+ at91_gpio_leds(carmeva_leds, ARRAY_SIZE(carmeva_leds));
}
MACHINE_START(CARMEVA, "Carmeva")
--- /dev/null
+++ b/arch/arm/mach-at91/board-chub.c
@@ -0,0 +1,132 @@
+/*
+ * linux/arch/arm/mach-at91/board-chub.c
+ *
+ * Copyright (C) 2005 SAN People, adapted for Promwad Chub board
+ * by Kuten Ivan
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <asm/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+
+#include "generic.h"
+
+/*
+ * Serial port configuration.
+ * 0 .. 3 = USART0 .. USART3
+ * 4 = DBGU
+ */
+static struct at91_uart_config __initdata chub_uart_config = {
+ .console_tty = 0, /* ttyS0 */
+ .nr_tty = 5,
+ .tty_map = { 4, 0, 1, 2, 3 } /* ttyS0, ..., ttyS4 */
+};
+
+static void __init chub_init_irq(void)
+{
+ at91rm9200_init_interrupts(NULL);
+}
+
+static void __init chub_map_io(void)
+{
+ /* Initialize clocks: 18.432 MHz crystal */
+ at91rm9200_initialize(18432000, AT91RM9200_PQFP);
+
+ /* Setup the serial ports and console */
+ at91_init_serial(&chub_uart_config);
+}
+
+static struct at91_eth_data __initdata chub_eth_data = {
+ .phy_irq_pin = AT91_PIN_PB29,
+ .is_rmii = 0,
+};
+
+static struct mtd_partition __initdata chub_nand_partition[] = {
+ {
+ .name = "NAND Partition 1",
+ .offset = 0,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+ *num_partitions = ARRAY_SIZE(chub_nand_partition);
+ return chub_nand_partition;
+}
+
+static struct at91_nand_data __initdata chub_nand_data = {
+ .ale = 22,
+ .cle = 21,
+ .enable_pin = AT91_PIN_PA27,
+ .partition_info = nand_partitions,
+};
+
+static struct spi_board_info chub_spi_devices[] = {
+ { /* DataFlash chip */
+ .modalias = "mtd_dataflash",
+ .chip_select = 0,
+ .max_speed_hz = 15 * 1000 * 1000,
+ },
+};
+
+static void __init chub_board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+ /* I2C */
+ at91_add_device_i2c(NULL, 0);
+ /* Ethernet */
+ at91_add_device_eth(&chub_eth_data);
+ /* SPI */
+ at91_add_device_spi(chub_spi_devices, ARRAY_SIZE(chub_spi_devices));
+ /* NAND Flash */
+ at91_add_device_nand(&chub_nand_data);
+ /* Disable write protect for NAND */
+ at91_set_gpio_output(AT91_PIN_PB7, 1);
+ /* Power enable for 3x RS-232 and 1x RS-485 */
+ at91_set_gpio_output(AT91_PIN_PB9, 1);
+ /* Disable write protect for FRAM */
+ at91_set_gpio_output(AT91_PIN_PA21, 1);
+ /* Disable write protect for Dataflash */
+ at91_set_gpio_output(AT91_PIN_PA19, 1);
+}
+
+MACHINE_START(CHUB, "Promwad Chub")
+ /* Maintainer: Ivan Kuten AT Promwad DOT com */
+ .phys_io = AT91_BASE_SYS,
+ .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+ .boot_params = AT91_SDRAM_BASE + 0x100,
+ .timer = &at91rm9200_timer,
+ .map_io = chub_map_io,
+ .init_irq = chub_init_irq,
+ .init_machine = chub_board_init,
+MACHINE_END
--- a/arch/arm/mach-at91/board-csb337.c
+++ b/arch/arm/mach-at91/board-csb337.c
@@ -61,6 +61,7 @@ static void __init csb337_map_io(void)
/* Setup the LEDs */
at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
+ at91_set_gpio_output(AT91_PIN_PB2, 1); /* third (unused) LED */
/* Setup the serial ports and console */
at91_init_serial(&csb337_uart_config);
@@ -202,11 +203,11 @@ static struct platform_device csb300_but
static void __init csb300_add_device_buttons(void)
{
- at91_set_gpio_input(AT91_PIN_PB29, 0); /* sw0 */
+ at91_set_gpio_input(AT91_PIN_PB29, 1); /* sw0 */
at91_set_deglitch(AT91_PIN_PB29, 1);
- at91_set_gpio_input(AT91_PIN_PB28, 0); /* sw1 */
+ at91_set_gpio_input(AT91_PIN_PB28, 1); /* sw1 */
at91_set_deglitch(AT91_PIN_PB28, 1);
- at91_set_gpio_input(AT91_PIN_PA21, 0); /* sw2 */
+ at91_set_gpio_input(AT91_PIN_PA21, 1); /* sw2 */
at91_set_deglitch(AT91_PIN_PA21, 1);
platform_device_register(&csb300_button_device);
@@ -233,7 +234,7 @@ static struct gpio_led csb_leds[] = {
.gpio = AT91_PIN_PB0,
.active_low = 1,
.default_trigger = "ide-disk",
- },
+ }
};
--- a/arch/arm/mach-at91/board-csb637.c
+++ b/arch/arm/mach-at91/board-csb637.c
@@ -40,27 +40,16 @@
#include "generic.h"
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- */
-static struct at91_uart_config __initdata csb637_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 2,
- .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
-};
-
static void __init csb637_map_io(void)
{
/* Initialize processor: 3.6864 MHz crystal */
at91rm9200_initialize(3686400, AT91RM9200_BGA);
- /* Setup the LEDs */
- at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
- /* Setup the serial ports and console */
- at91_init_serial(&csb637_uart_config);
+ /* make console=ttyS0 (ie, DBGU) the default */
+ at91_set_serial_console(0);
}
static void __init csb637_init_irq(void)
@@ -118,8 +107,19 @@ static struct platform_device csb_flash
.num_resources = ARRAY_SIZE(csb_flash_resources),
};
+static struct gpio_led csb_leds[] = {
+ { /* "d1", red */
+ .name = "d1",
+ .gpio = AT91_PIN_PB2,
+ .active_low = 1,
+ .default_trigger = "heartbeat",
+ }
+};
+
static void __init csb637_board_init(void)
{
+ /* LED(s) */
+ at91_gpio_leds(csb_leds, ARRAY_SIZE(csb_leds));
/* Serial */
at91_add_device_serial();
/* Ethernet */
--- a/arch/arm/mach-at91/board-dk.c
+++ b/arch/arm/mach-at91/board-dk.c
@@ -25,6 +25,7 @@
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
+#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/mtd/physmap.h>
@@ -45,17 +46,6 @@
#include "generic.h"
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- */
-static struct at91_uart_config __initdata dk_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 2,
- .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
-};
-
static void __init dk_map_io(void)
{
/* Initialize processor: 18.432 MHz crystal */
@@ -64,8 +54,16 @@ static void __init dk_map_io(void)
/* Setup the LEDs */
at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
- /* Setup the serial ports and console */
- at91_init_serial(&dk_uart_config);
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+ at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
+ | ATMEL_UART_RI);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
}
static void __init dk_init_irq(void)
@@ -73,6 +71,185 @@ static void __init dk_init_irq(void)
at91rm9200_init_interrupts(NULL);
}
+#if defined(CONFIG_FB_S1D13XXX) || defined(CONFIG_FB_S1D13XXX_MODULE)
+#include <video/s1d13xxxfb.h>
+#include <asm/arch/ics1523.h>
+
+/* EPSON S1D13806 FB */
+#define AT91_FB_REG_BASE 0x30000000L
+#define AT91_FB_REG_SIZE 0x200
+#define AT91_FB_VMEM_BASE 0x30200000L
+#define AT91_FB_VMEM_SIZE 0x140000L
+
+static void dk_init_video(void)
+{
+ /* NWAIT Signal */
+ at91_set_A_periph(AT91_PIN_PC6, 0);
+
+ /* Initialization of the Static Memory Controller for Chip Select 2 */
+ at91_sys_write(AT91_SMC_CSR(2), AT91_SMC_DBW_16 /* 16 bit */
+ | AT91_SMC_WSEN | AT91_SMC_NWS_(4) /* wait states */
+ | AT91_SMC_TDF_(1) /* float time */
+ );
+
+ at91_ics1523_init();
+}
+
+/* CRT: (active) 640x480 60Hz (PCLK=CLKI=25.175MHz)
+ Memory: Embedded SDRAM (MCLK=CLKI3=50.000MHz) (BUSCLK=60.000MHz) */
+static const struct s1d13xxxfb_regval dk_s1dfb_initregs[] = {
+ {S1DREG_MISC, 0x00}, /* Enable Memory/Register select bit */
+ {S1DREG_COM_DISP_MODE, 0x00}, /* disable display output */
+ {S1DREG_GPIO_CNF0, 0x00},
+ {S1DREG_GPIO_CNF1, 0x00},
+ {S1DREG_GPIO_CTL0, 0x08},
+ {S1DREG_GPIO_CTL1, 0x00},
+ {S1DREG_CLK_CNF, 0x01}, /* no divide, MCLK source is CLKI3 0x02*/
+ {S1DREG_LCD_CLK_CNF, 0x00},
+ {S1DREG_CRT_CLK_CNF, 0x00},
+ {S1DREG_MPLUG_CLK_CNF, 0x00},
+ {S1DREG_CPU2MEM_WST_SEL, 0x01}, /* 2*period(MCLK) - 4ns > period(BCLK) */
+ {S1DREG_SDRAM_REF_RATE, 0x03}, /* 32768 <= MCLK <= 50000 (MHz) */
+ {S1DREG_SDRAM_TC0, 0x00}, /* MCLK source freq (MHz): */
+ {S1DREG_SDRAM_TC1, 0x01}, /* 42 <= MCLK <= 50 */
+ {S1DREG_MEM_CNF, 0x80}, /* SDRAM Initialization - needed before mem access */
+ {S1DREG_PANEL_TYPE, 0x25}, /* std TFT 16bit, 8bit SCP format 2, single passive LCD */
+ {S1DREG_MOD_RATE, 0x00}, /* toggle every FPFRAME */
+ {S1DREG_LCD_DISP_HWIDTH, 0x4F}, /* 680 pix */
+ {S1DREG_LCD_NDISP_HPER, 0x12}, /* 152 pix */
+ {S1DREG_TFT_FPLINE_START, 0x01}, /* 13 pix */
+ {S1DREG_TFT_FPLINE_PWIDTH, 0x0B}, /* 96 pix */
+ {S1DREG_LCD_DISP_VHEIGHT0, 0xDF},
+ {S1DREG_LCD_DISP_VHEIGHT1, 0x01}, /* 480 lines */
+ {S1DREG_LCD_NDISP_VPER, 0x2C}, /* 44 lines */
+ {S1DREG_TFT_FPFRAME_START, 0x0A}, /* 10 lines */
+ {S1DREG_TFT_FPFRAME_PWIDTH, 0x01}, /* 2 lines */
+ {S1DREG_LCD_DISP_MODE, 0x05}, /* 16 bpp */
+ {S1DREG_LCD_MISC, 0x00}, /* dithering enabled, dual panel buffer enabled */
+ {S1DREG_LCD_DISP_START0, 0x00},
+ {S1DREG_LCD_DISP_START1, 0xC8},
+ {S1DREG_LCD_DISP_START2, 0x00},
+ {S1DREG_LCD_MEM_OFF0, 0x80},
+ {S1DREG_LCD_MEM_OFF1, 0x02},
+ {S1DREG_LCD_PIX_PAN, 0x00},
+ {S1DREG_LCD_DISP_FIFO_HTC, 0x3B},
+ {S1DREG_LCD_DISP_FIFO_LTC, 0x3C},
+ {S1DREG_CRT_DISP_HWIDTH, 0x4F}, /* 680 pix */
+ {S1DREG_CRT_NDISP_HPER, 0x13}, /* 160 pix */
+ {S1DREG_CRT_HRTC_START, 0x01}, /* 13 pix */
+ {S1DREG_CRT_HRTC_PWIDTH, 0x0B}, /* 96 pix */
+ {S1DREG_CRT_DISP_VHEIGHT0, 0xDF},
+ {S1DREG_CRT_DISP_VHEIGHT1, 0x01}, /* 480 lines */
+ {S1DREG_CRT_NDISP_VPER, 0x2B}, /* 44 lines */
+ {S1DREG_CRT_VRTC_START, 0x09}, /* 10 lines */
+ {S1DREG_CRT_VRTC_PWIDTH, 0x01}, /* 2 lines */
+ {S1DREG_TV_OUT_CTL, 0x10},
+ {S1DREG_CRT_DISP_MODE, 0x05}, /* 16 bpp */
+ {S1DREG_CRT_DISP_START0, 0x00},
+ {S1DREG_CRT_DISP_START1, 0x00},
+ {S1DREG_CRT_DISP_START2, 0x00},
+ {S1DREG_CRT_MEM_OFF0, 0x80},
+ {S1DREG_CRT_MEM_OFF1, 0x02},
+ {S1DREG_CRT_PIX_PAN, 0x00},
+ {S1DREG_CRT_DISP_FIFO_HTC, 0x3B},
+ {S1DREG_CRT_DISP_FIFO_LTC, 0x3C},
+ {S1DREG_LCD_CUR_CTL, 0x00}, /* inactive */
+ {S1DREG_LCD_CUR_START, 0x01},
+ {S1DREG_LCD_CUR_XPOS0, 0x00},
+ {S1DREG_LCD_CUR_XPOS1, 0x00},
+ {S1DREG_LCD_CUR_YPOS0, 0x00},
+ {S1DREG_LCD_CUR_YPOS1, 0x00},
+ {S1DREG_LCD_CUR_BCTL0, 0x00},
+ {S1DREG_LCD_CUR_GCTL0, 0x00},
+ {S1DREG_LCD_CUR_RCTL0, 0x00},
+ {S1DREG_LCD_CUR_BCTL1, 0x1F},
+ {S1DREG_LCD_CUR_GCTL1, 0x3F},
+ {S1DREG_LCD_CUR_RCTL1, 0x1F},
+ {S1DREG_LCD_CUR_FIFO_HTC, 0x00},
+ {S1DREG_CRT_CUR_CTL, 0x00}, /* inactive */
+ {S1DREG_CRT_CUR_START, 0x01},
+ {S1DREG_CRT_CUR_XPOS0, 0x00},
+ {S1DREG_CRT_CUR_XPOS1, 0x00},
+ {S1DREG_CRT_CUR_YPOS0, 0x00},
+ {S1DREG_CRT_CUR_YPOS1, 0x00},
+ {S1DREG_CRT_CUR_BCTL0, 0x00},
+ {S1DREG_CRT_CUR_GCTL0, 0x00},
+ {S1DREG_CRT_CUR_RCTL0, 0x00},
+ {S1DREG_CRT_CUR_BCTL1, 0x1F},
+ {S1DREG_CRT_CUR_GCTL1, 0x3F},
+ {S1DREG_CRT_CUR_RCTL1, 0x1F},
+ {S1DREG_CRT_CUR_FIFO_HTC, 0x00},
+ {S1DREG_BBLT_CTL0, 0x00},
+ {S1DREG_BBLT_CTL0, 0x00},
+ {S1DREG_BBLT_CC_EXP, 0x00},
+ {S1DREG_BBLT_OP, 0x00},
+ {S1DREG_BBLT_SRC_START0, 0x00},
+ {S1DREG_BBLT_SRC_START1, 0x00},
+ {S1DREG_BBLT_SRC_START2, 0x00},
+ {S1DREG_BBLT_DST_START0, 0x00},
+ {S1DREG_BBLT_DST_START1, 0x00},
+ {S1DREG_BBLT_DST_START2, 0x00},
+ {S1DREG_BBLT_MEM_OFF0, 0x00},
+ {S1DREG_BBLT_MEM_OFF1, 0x00},
+ {S1DREG_BBLT_WIDTH0, 0x00},
+ {S1DREG_BBLT_WIDTH1, 0x00},
+ {S1DREG_BBLT_HEIGHT0, 0x00},
+ {S1DREG_BBLT_HEIGHT1, 0x00},
+ {S1DREG_BBLT_BGC0, 0x00},
+ {S1DREG_BBLT_BGC1, 0x00},
+ {S1DREG_BBLT_FGC0, 0x00},
+ {S1DREG_BBLT_FGC1, 0x00},
+ {S1DREG_LKUP_MODE, 0x00}, /* LCD LUT r | LCD and CRT/TV LUT w */
+ {S1DREG_LKUP_ADDR, 0x00},
+ {S1DREG_PS_CNF, 0x00}, /* Power Save disable */
+ {S1DREG_PS_STATUS, 0x02}, /* LCD Panel down, mem up */
+ {S1DREG_CPU2MEM_WDOGT, 0x00},
+ {S1DREG_COM_DISP_MODE, 0x02}, /* enable CRT display output */
+};
+
+static struct s1d13xxxfb_pdata dk_s1dfb_pdata = {
+ .initregs = dk_s1dfb_initregs,
+ .initregssize = ARRAY_SIZE(dk_s1dfb_initregs),
+ .platform_init_video = dk_init_video,
+};
+
+static u64 s1dfb_dmamask = DMA_BIT_MASK(32);
+
+static struct resource dk_s1dfb_resource[] = {
+ [0] = { /* video mem */
+ .name = "s1d13806 memory",
+ .start = AT91_FB_VMEM_BASE,
+ .end = AT91_FB_VMEM_BASE + AT91_FB_VMEM_SIZE -1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = { /* video registers */
+ .name = "s1d13806 registers",
+ .start = AT91_FB_REG_BASE,
+ .end = AT91_FB_REG_BASE + AT91_FB_REG_SIZE -1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device dk_s1dfb_device = {
+ .name = "s1d13806fb",
+ .id = -1,
+ .dev = {
+ .dma_mask = &s1dfb_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &dk_s1dfb_pdata,
+ },
+ .resource = dk_s1dfb_resource,
+ .num_resources = ARRAY_SIZE(dk_s1dfb_resource),
+};
+
+static void __init dk_add_device_video(void)
+{
+ platform_device_register(&dk_s1dfb_device);
+}
+#else
+static void __init dk_add_device_video(void) {}
+#endif
+
static struct at91_eth_data __initdata dk_eth_data = {
.phy_irq_pin = AT91_PIN_PC4,
.is_rmii = 1,
@@ -164,7 +341,7 @@ static struct at91_nand_data __initdata
#define DK_FLASH_SIZE 0x200000
static struct physmap_flash_data dk_flash_data = {
- .width = 2,
+ .width = 2,
};
static struct resource dk_flash_resource = {
@@ -223,8 +400,12 @@ static void __init dk_board_init(void)
platform_device_register(&dk_flash);
/* LEDs */
at91_gpio_leds(dk_leds, ARRAY_SIZE(dk_leds));
+ /* SSC (to LM4549 audio codec) */
+ at91_add_device_ssc(AT91RM9200_ID_SSC1, ATMEL_SSC_TD | ATMEL_SSC_RX);
+ /* SSC (to SI3021 line interface) */
+ at91_add_device_ssc(AT91RM9200_ID_SSC2, ATMEL_SSC_TD | ATMEL_SSC_TK | ATMEL_SSC_RD | ATMEL_SSC_RF);
/* VGA */
-// dk_add_device_video();
+ dk_add_device_video();
}
MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
--- a/arch/arm/mach-at91/board-eb9200.c
+++ b/arch/arm/mach-at91/board-eb9200.c
@@ -40,24 +40,24 @@
#include "generic.h"
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- */
-static struct at91_uart_config __initdata eb9200_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 2,
- .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
-};
-
static void __init eb9200_map_io(void)
{
/* Initialize processor: 18.432 MHz crystal */
at91rm9200_initialize(18432000, AT91RM9200_BGA);
- /* Setup the serial ports and console */
- at91_init_serial(&eb9200_uart_config);
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+ at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
+ | ATMEL_UART_RI);
+
+ /* USART2 on ttyS2. (Rx, Tx) - IRDA */
+ at91_register_uart(AT91RM9200_ID_US2, 2, 0);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
}
static void __init eb9200_init_irq(void)
--- /dev/null
+++ b/arch/arm/mach-at91/board-ecbat91.c
@@ -0,0 +1,178 @@
+/*
+ * linux/arch/arm/mach-at91rm9200/board-ecbat91.c
+ * Copyright (C) 2007 emQbit.com.
+ *
+ * We started from board-dk.c, which is Copyright (C) 2005 SAN People.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+
+#include <asm/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+
+#include "generic.h"
+
+
+static void __init ecb_at91map_io(void)
+{
+ /* Initialize processor: 18.432 MHz crystal */
+ at91rm9200_initialize(18432000, AT91RM9200_PQFP);
+
+ /* Setup the LEDs */
+ at91_init_leds(AT91_PIN_PC7, AT91_PIN_PC7);
+
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART0 on ttyS1. (Rx & Tx only) */
+ at91_register_uart(AT91RM9200_ID_US0, 1, 0);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
+}
+
+static void __init ecb_at91init_irq(void)
+{
+ at91rm9200_init_interrupts(NULL);
+}
+
+static struct at91_eth_data __initdata ecb_at91eth_data = {
+ .phy_irq_pin = AT91_PIN_PC4,
+ .is_rmii = 0,
+};
+
+static struct at91_usbh_data __initdata ecb_at91usbh_data = {
+ .ports = 1,
+};
+
+static struct at91_mmc_data __initdata ecb_at91mmc_data = {
+ .slot_b = 0,
+ .wire4 = 1,
+};
+
+
+#if defined(CONFIG_MTD_DATAFLASH)
+static struct mtd_partition __initdata my_flash0_partitions[] =
+{
+ { /* 0x8400 */
+ .name = "Darrell-loader",
+ .offset = 0,
+ .size = 12* 1056,
+ },
+ {
+ .name = "U-boot",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 110 * 1056,
+ },
+ { /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
+ .name = "Uoot-env",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 8 * 1056,
+ },
+ { /* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
+ .name = "Kernel",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 1534 * 1056,
+ },
+ { /* 190200 - jffs2 root filesystem */
+ .name = "Filesystem",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL, /* 26 sectors */
+ }
+};
+
+static struct flash_platform_data __initdata my_flash0_platform = {
+ .name = "Removable flash card",
+ .parts = my_flash0_partitions,
+ .nr_parts = ARRAY_SIZE(my_flash0_partitions)
+};
+
+#endif
+
+static struct spi_board_info __initdata ecb_at91spi_devices[] = {
+ { /* DataFlash chip */
+ .modalias = "mtd_dataflash",
+ .chip_select = 0,
+ .max_speed_hz = 10 * 1000 * 1000,
+ .bus_num = 0,
+#if defined(CONFIG_MTD_DATAFLASH)
+ .platform_data = &my_flash0_platform,
+#endif
+ },
+ { /* User accessable spi - cs1 (250KHz) */
+ .modalias = "spi-cs1",
+ .chip_select = 1,
+ .max_speed_hz = 250 * 1000,
+ },
+ { /* User accessable spi - cs2 (1MHz) */
+ .modalias = "spi-cs2",
+ .chip_select = 2,
+ .max_speed_hz = 1 * 1000 * 1000,
+ },
+ { /* User accessable spi - cs3 (10MHz) */
+ .modalias = "spi-cs3",
+ .chip_select = 3,
+ .max_speed_hz = 10 * 1000 * 1000,
+ },
+};
+
+static void __init ecb_at91board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+
+ /* Ethernet */
+ at91_add_device_eth(&ecb_at91eth_data);
+
+ /* USB Host */
+ at91_add_device_usbh(&ecb_at91usbh_data);
+
+ /* I2C */
+ at91_add_device_i2c(NULL, 0);
+
+ /* MMC */
+ at91_add_device_mmc(0, &ecb_at91mmc_data);
+
+ /* SPI */
+ at91_add_device_spi(ecb_at91spi_devices, ARRAY_SIZE(ecb_at91spi_devices));
+}
+
+MACHINE_START(ECBAT91, "emQbit's ECB_AT91")
+ /* Maintainer: emQbit.com */
+ .phys_io = AT91_BASE_SYS,
+ .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+ .boot_params = AT91_SDRAM_BASE + 0x100,
+ .timer = &at91rm9200_timer,
+ .map_io = ecb_at91map_io,
+ .init_irq = ecb_at91init_irq,
+ .init_machine = ecb_at91board_init,
+MACHINE_END
--- a/arch/arm/mach-at91/board-ek.c
+++ b/arch/arm/mach-at91/board-ek.c
@@ -25,6 +25,7 @@
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
+#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/mtd/physmap.h>
@@ -45,17 +46,6 @@
#include "generic.h"
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- */
-static struct at91_uart_config __initdata ek_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 2,
- .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
-};
-
static void __init ek_map_io(void)
{
/* Initialize processor: 18.432 MHz crystal */
@@ -64,8 +54,16 @@ static void __init ek_map_io(void)
/* Setup the LEDs */
at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2);
- /* Setup the serial ports and console */
- at91_init_serial(&ek_uart_config);
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+ at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
+ | ATMEL_UART_RI);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
}
static void __init ek_init_irq(void)
@@ -73,6 +71,187 @@ static void __init ek_init_irq(void)
at91rm9200_init_interrupts(NULL);
}
+#if defined(CONFIG_FB_S1D13XXX) || defined(CONFIG_FB_S1D13XXX_MODULE)
+#include <video/s1d13xxxfb.h>
+#include <asm/arch/ics1523.h>
+
+/* EPSON S1D13806 FB */
+#define AT91_FB_REG_BASE 0x40000000L
+#define AT91_FB_REG_SIZE 0x200
+#define AT91_FB_VMEM_BASE 0x40200000L
+#define AT91_FB_VMEM_SIZE 0x140000L
+
+static void ek_init_video(void)
+{
+ /* NWAIT Signal */
+ at91_set_A_periph(AT91_PIN_PC6, 0);
+
+ /* Initialization of the Static Memory Controller for Chip Select 3 */
+ at91_sys_write(AT91_SMC_CSR(3), AT91_SMC_DBW_16 /* 16 bit */
+ | AT91_SMC_WSEN | AT91_SMC_NWS_(5) /* wait states */
+ | AT91_SMC_TDF_(1) /* float time */
+ );
+
+ at91_ics1523_init();
+}
+
+/* CRT: (active) 640x480 60Hz (PCLK=CLKI=25.175MHz)
+ Memory: Embedded SDRAM (MCLK=CLKI3=50.000MHz) (BUSCLK=60.000MHz) */
+static const struct s1d13xxxfb_regval ek_s1dfb_initregs[] = {
+ {S1DREG_MISC, 0x00}, /* Enable Memory/Register select bit */
+ {S1DREG_COM_DISP_MODE, 0x00}, /* disable display output */
+ {S1DREG_GPIO_CNF0, 0xFF}, // 0x00
+ {S1DREG_GPIO_CNF1, 0x1F}, // 0x08
+ {S1DREG_GPIO_CTL0, 0x00},
+ {S1DREG_GPIO_CTL1, 0x00},
+ {S1DREG_CLK_CNF, 0x01}, /* no divide, MCLK source is CLKI3 0x02*/
+ {S1DREG_LCD_CLK_CNF, 0x00},
+ {S1DREG_CRT_CLK_CNF, 0x00},
+ {S1DREG_MPLUG_CLK_CNF, 0x00},
+ {S1DREG_CPU2MEM_WST_SEL, 0x01}, /* 2*period(MCLK) - 4ns > period(BCLK) */
+ {S1DREG_SDRAM_REF_RATE, 0x03}, /* 32768 <= MCLK <= 50000 (MHz) */
+ {S1DREG_SDRAM_TC0, 0x00}, /* MCLK source freq (MHz): */
+ {S1DREG_SDRAM_TC1, 0x01}, /* 42 <= MCLK <= 50 */
+ {S1DREG_MEM_CNF, 0x80}, /* SDRAM Initialization - needed before mem access */
+ {S1DREG_PANEL_TYPE, 0x25}, /* std TFT 16bit, 8bit SCP format 2, single passive LCD */
+ {S1DREG_MOD_RATE, 0x00}, /* toggle every FPFRAME */
+ {S1DREG_LCD_DISP_HWIDTH, 0x4F}, /* 680 pix */
+ {S1DREG_LCD_NDISP_HPER, 0x12}, /* 152 pix */
+ {S1DREG_TFT_FPLINE_START, 0x01}, /* 13 pix */
+ {S1DREG_TFT_FPLINE_PWIDTH, 0x0B}, /* 96 pix */
+ {S1DREG_LCD_DISP_VHEIGHT0, 0xDF},
+ {S1DREG_LCD_DISP_VHEIGHT1, 0x01}, /* 480 lines */
+ {S1DREG_LCD_NDISP_VPER, 0x2C}, /* 44 lines */
+ {S1DREG_TFT_FPFRAME_START, 0x0A}, /* 10 lines */
+ {S1DREG_TFT_FPFRAME_PWIDTH, 0x01}, /* 2 lines */
+ {S1DREG_LCD_DISP_MODE, 0x05}, /* 16 bpp */
+ {S1DREG_LCD_MISC, 0x00}, /* dithering enabled, dual panel buffer enabled */
+ {S1DREG_LCD_DISP_START0, 0x00},
+ {S1DREG_LCD_DISP_START1, 0xC8},
+ {S1DREG_LCD_DISP_START2, 0x00},
+ {S1DREG_LCD_MEM_OFF0, 0x80},
+ {S1DREG_LCD_MEM_OFF1, 0x02},
+ {S1DREG_LCD_PIX_PAN, 0x00},
+ {S1DREG_LCD_DISP_FIFO_HTC, 0x3B},
+ {S1DREG_LCD_DISP_FIFO_LTC, 0x3C},
+ {S1DREG_CRT_DISP_HWIDTH, 0x4F}, /* 680 pix */
+ {S1DREG_CRT_NDISP_HPER, 0x13}, /* 160 pix */
+ {S1DREG_CRT_HRTC_START, 0x01}, /* 13 pix */
+ {S1DREG_CRT_HRTC_PWIDTH, 0x0B}, /* 96 pix */
+ {S1DREG_CRT_DISP_VHEIGHT0, 0xDF},
+ {S1DREG_CRT_DISP_VHEIGHT1, 0x01}, /* 480 lines */
+ {S1DREG_CRT_NDISP_VPER, 0x2B}, /* 44 lines */
+ {S1DREG_CRT_VRTC_START, 0x09}, /* 10 lines */
+ {S1DREG_CRT_VRTC_PWIDTH, 0x01}, /* 2 lines */
+ {S1DREG_TV_OUT_CTL, 0x10},
+ {0x005E, 0x9F},
+ {0x005F, 0x00},
+ {S1DREG_CRT_DISP_MODE, 0x05}, /* 16 bpp */
+ {S1DREG_CRT_DISP_START0, 0x00},
+ {S1DREG_CRT_DISP_START1, 0x00},
+ {S1DREG_CRT_DISP_START2, 0x00},
+ {S1DREG_CRT_MEM_OFF0, 0x80},
+ {S1DREG_CRT_MEM_OFF1, 0x02},
+ {S1DREG_CRT_PIX_PAN, 0x00},
+ {S1DREG_CRT_DISP_FIFO_HTC, 0x3B},
+ {S1DREG_CRT_DISP_FIFO_LTC, 0x3C},
+ {S1DREG_LCD_CUR_CTL, 0x00}, /* inactive */
+ {S1DREG_LCD_CUR_START, 0x01},
+ {S1DREG_LCD_CUR_XPOS0, 0x00},
+ {S1DREG_LCD_CUR_XPOS1, 0x00},
+ {S1DREG_LCD_CUR_YPOS0, 0x00},
+ {S1DREG_LCD_CUR_YPOS1, 0x00},
+ {S1DREG_LCD_CUR_BCTL0, 0x00},
+ {S1DREG_LCD_CUR_GCTL0, 0x00},
+ {S1DREG_LCD_CUR_RCTL0, 0x00},
+ {S1DREG_LCD_CUR_BCTL1, 0x1F},
+ {S1DREG_LCD_CUR_GCTL1, 0x3F},
+ {S1DREG_LCD_CUR_RCTL1, 0x1F},
+ {S1DREG_LCD_CUR_FIFO_HTC, 0x00},
+ {S1DREG_CRT_CUR_CTL, 0x00}, /* inactive */
+ {S1DREG_CRT_CUR_START, 0x01},
+ {S1DREG_CRT_CUR_XPOS0, 0x00},
+ {S1DREG_CRT_CUR_XPOS1, 0x00},
+ {S1DREG_CRT_CUR_YPOS0, 0x00},
+ {S1DREG_CRT_CUR_YPOS1, 0x00},
+ {S1DREG_CRT_CUR_BCTL0, 0x00},
+ {S1DREG_CRT_CUR_GCTL0, 0x00},
+ {S1DREG_CRT_CUR_RCTL0, 0x00},
+ {S1DREG_CRT_CUR_BCTL1, 0x1F},
+ {S1DREG_CRT_CUR_GCTL1, 0x3F},
+ {S1DREG_CRT_CUR_RCTL1, 0x1F},
+ {S1DREG_CRT_CUR_FIFO_HTC, 0x00},
+ {S1DREG_BBLT_CTL0, 0x00},
+ {S1DREG_BBLT_CTL0, 0x00},
+ {S1DREG_BBLT_CC_EXP, 0x00},
+ {S1DREG_BBLT_OP, 0x00},
+ {S1DREG_BBLT_SRC_START0, 0x00},
+ {S1DREG_BBLT_SRC_START1, 0x00},
+ {S1DREG_BBLT_SRC_START2, 0x00},
+ {S1DREG_BBLT_DST_START0, 0x00},
+ {S1DREG_BBLT_DST_START1, 0x00},
+ {S1DREG_BBLT_DST_START2, 0x00},
+ {S1DREG_BBLT_MEM_OFF0, 0x00},
+ {S1DREG_BBLT_MEM_OFF1, 0x00},
+ {S1DREG_BBLT_WIDTH0, 0x00},
+ {S1DREG_BBLT_WIDTH1, 0x00},
+ {S1DREG_BBLT_HEIGHT0, 0x00},
+ {S1DREG_BBLT_HEIGHT1, 0x00},
+ {S1DREG_BBLT_BGC0, 0x00},
+ {S1DREG_BBLT_BGC1, 0x00},
+ {S1DREG_BBLT_FGC0, 0x00},
+ {S1DREG_BBLT_FGC1, 0x00},
+ {S1DREG_LKUP_MODE, 0x00}, /* LCD LUT r | LCD and CRT/TV LUT w */
+ {S1DREG_LKUP_ADDR, 0x00},
+ {S1DREG_PS_CNF, 0x10}, /* Power Save disable */
+ {S1DREG_PS_STATUS, 0x02}, /* LCD Panel down, mem up */
+ {S1DREG_CPU2MEM_WDOGT, 0x00},
+ {S1DREG_COM_DISP_MODE, 0x02}, /* enable CRT display output */
+};
+
+static struct s1d13xxxfb_pdata ek_s1dfb_pdata = {
+ .initregs = ek_s1dfb_initregs,
+ .initregssize = ARRAY_SIZE(ek_s1dfb_initregs),
+ .platform_init_video = ek_init_video,
+};
+
+static u64 s1dfb_dmamask = DMA_BIT_MASK(32);
+
+static struct resource ek_s1dfb_resource[] = {
+ [0] = { /* video mem */
+ .name = "s1d13806 memory",
+ .start = AT91_FB_VMEM_BASE,
+ .end = AT91_FB_VMEM_BASE + AT91_FB_VMEM_SIZE -1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = { /* video registers */
+ .name = "s1d13806 registers",
+ .start = AT91_FB_REG_BASE,
+ .end = AT91_FB_REG_BASE + AT91_FB_REG_SIZE -1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device ek_s1dfb_device = {
+ .name = "s1d13806fb",
+ .id = -1,
+ .dev = {
+ .dma_mask = &s1dfb_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &ek_s1dfb_pdata,
+ },
+ .resource = ek_s1dfb_resource,
+ .num_resources = ARRAY_SIZE(ek_s1dfb_resource),
+};
+
+static void __init ek_add_device_video(void)
+{
+ platform_device_register(&ek_s1dfb_device);
+}
+#else
+static void __init ek_add_device_video(void) {}
+#endif
+
static struct at91_eth_data __initdata ek_eth_data = {
.phy_irq_pin = AT91_PIN_PC4,
.is_rmii = 1,
@@ -122,7 +301,7 @@ static struct i2c_board_info __initdata
#define EK_FLASH_SIZE 0x200000
static struct physmap_flash_data ek_flash_data = {
- .width = 2,
+ .width = 2,
};
static struct resource ek_flash_resource = {
@@ -189,7 +368,7 @@ static void __init ek_board_init(void)
/* LEDs */
at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
/* VGA */
-// ek_add_device_video();
+ ek_add_device_video();
}
MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
--- /dev/null
+++ b/arch/arm/mach-at91/board-homematic.c
@@ -0,0 +1,163 @@
+/*
+ * linux/arch/arm/mach-at91/board-homematic.c
+ *
+ * Copyright (C) 2007 eQ-3 Entwicklung GmbH
+ *
+ * based on work
+ * Copyright (C) 2005 SAN People
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/mtd/physmap.h>
+
+#include <asm/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/at91rm9200_mc.h>
+
+#include "generic.h"
+
+
+/*
+ * Serial port configuration.
+ * 0 .. 3 = USART0 .. USART3
+ * 4 = DBGU
+ */
+static struct at91_uart_config __initdata homematic_uart_config = {
+ .console_tty = 0, /* ttyS0 */
+ .nr_tty = 2,
+ .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
+};
+
+static void __init homematic_map_io(void)
+{
+ /* Initialize processor: 18.432 MHz crystal */
+ at91rm9200_initialize(18432000, AT91RM9200_BGA);
+
+ /* Setup the serial ports and console */
+ at91_init_serial(&homematic_uart_config);
+}
+
+static void __init homematic_init_irq(void)
+{
+ at91rm9200_init_interrupts(NULL);
+}
+
+static struct at91_eth_data __initdata homematic_eth_data = {
+ .phy_irq_pin = AT91_PIN_PC4,
+ .is_rmii = 0,
+};
+
+static struct at91_usbh_data __initdata homematic_usbh_data = {
+ .ports = 2,
+};
+
+static struct at91_udc_data __initdata homematic_udc_data = {
+ .vbus_pin = AT91_PIN_PD4,
+ .pullup_pin = AT91_PIN_PD5,
+};
+
+static struct at91_mmc_data __initdata homematic_mmc_data = {
+ .slot_b = 0,
+ .wire4 = 1,
+};
+
+static struct spi_board_info homematic_spi_devices[] = {
+ { /* DataFlash chip */
+ .modalias = "mtd_dataflash",
+ .chip_select = 0,
+ .max_speed_hz = 15 * 1000 * 1000,
+ },
+};
+
+static struct mtd_partition __initdata homematic_nand_partition[] = {
+ {
+ .name = "root",
+ .offset = 0,
+ .size = 0x02000000,
+ }, {
+ .name = "storage",
+ .offset = 0x02000000,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+ *num_partitions = ARRAY_SIZE(homematic_nand_partition);
+ return homematic_nand_partition;
+}
+
+static struct at91_nand_data __initdata homematic_nand_data = {
+ .ale = 22,
+ .cle = 21,
+// .det_pin = AT91_PIN_PB1,
+ .rdy_pin = AT91_PIN_PC2,
+ .enable_pin = AT91_PIN_PC0,
+ .partition_info = nand_partitions,
+};
+
+static void __init homematic_board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+ /* Ethernet */
+ at91_add_device_eth(&homematic_eth_data);
+ /* USB Host */
+ at91_add_device_usbh(&homematic_usbh_data);
+ /* USB Device */
+ at91_add_device_udc(&homematic_udc_data);
+ at91_set_multi_drive(homematic_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */
+ /* I2C */
+ at91_add_device_i2c(NULL, 0);
+ /* SPI */
+ at91_add_device_spi(homematic_spi_devices, ARRAY_SIZE(homematic_spi_devices));
+#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
+ /* DataFlash card */
+ at91_set_gpio_output(AT91_PIN_PB7, 0);
+#else
+ /* MMC */
+ at91_set_gpio_output(AT91_PIN_PB7, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
+ at91_add_device_mmc(0, &homematic_mmc_data);
+#endif
+ /* NAND */
+ at91_add_device_nand(&homematic_nand_data);
+}
+
+MACHINE_START(HOMEMATIC, "HomeMatic")
+ /* Maintainer: eQ-3 */
+ .phys_io = AT91_BASE_SYS,
+ .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+ .boot_params = AT91_SDRAM_BASE + 0x100,
+ .timer = &at91rm9200_timer,
+ .map_io = homematic_map_io,
+ .init_irq = homematic_init_irq,
+ .init_machine = homematic_board_init,
+MACHINE_END
--- a/arch/arm/mach-at91/board-kb9202.c
+++ b/arch/arm/mach-at91/board-kb9202.c
@@ -37,19 +37,10 @@
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
-#include "generic.h"
+#include <asm/arch/at91rm9200_mc.h>
+#include "generic.h"
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- */
-static struct at91_uart_config __initdata kb9202_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 3,
- .tty_map = { 4, 0, 1, -1, -1 } /* ttyS0, ..., ttyS4 */
-};
static void __init kb9202_map_io(void)
{
@@ -59,8 +50,20 @@ static void __init kb9202_map_io(void)
/* Set up the LEDs */
at91_init_leds(AT91_PIN_PC19, AT91_PIN_PC18);
- /* Setup the serial ports and console */
- at91_init_serial(&kb9202_uart_config);
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART0 on ttyS1 (Rx & Tx only) */
+ at91_register_uart(AT91RM9200_ID_US0, 1, 0);
+
+ /* USART1 on ttyS2 (Rx & Tx only) - IRDA (optional) */
+ at91_register_uart(AT91RM9200_ID_US1, 2, 0);
+
+ /* USART3 on ttyS3 (Rx, Tx, CTS, RTS) - RS485 (optional) */
+ at91_register_uart(AT91RM9200_ID_US3, 3, ATMEL_UART_CTS | ATMEL_UART_RTS);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
}
static void __init kb9202_init_irq(void)
@@ -111,6 +114,48 @@ static struct at91_nand_data __initdata
.partition_info = nand_partitions,
};
+
+#if defined(CONFIG_FB_S1D15605)
+#warning "The Reset pin must be passed via platform_data, not this way"
+static struct resource kb9202_lcd_resources[] = {
+ [0] = {
+ .start = AT91_CHIPSELECT_2,
+ .end = AT91_CHIPSELECT_2 + 0x200FF,
+ .flags = IORESOURCE_MEM
+ },
+ [1] = { /* reset pin */
+ .start = AT91_PIN_PC22,
+ .end = AT91_PIN_PC22,
+ .flags = IORESOURCE_MEM
+ },
+};
+
+static struct platform_device kb9202_lcd_device = {
+ .name = "s1d15605fb",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(kb9202_lcd_resources),
+ .resource = kb9202_lcd_resources,
+};
+
+static void __init kb9202_add_device_lcd(void)
+{
+ /* In case the boot loader did not set the chip select mode and timing */
+ at91_sys_write(AT91_SMC_CSR(2),
+ AT91_SMC_WSEN | AT91_SMC_NWS_(18) | AT91_SMC_TDF_(1) | AT91_SMC_DBW_8 |
+ AT91_SMC_RWSETUP_(1) | AT91_SMC_RWHOLD_(1));
+
+ /* Backlight pin = output, off */
+ at91_set_gpio_output(AT91_PIN_PC23, 0);
+
+ /* Reset pin = output, in reset */
+ at91_set_gpio_output(AT91_PIN_PC22, 0);
+
+ platform_device_register(&kb9202_lcd_device);
+}
+#else
+static void __init kb9202_add_device_lcd(void) {}
+#endif
+
static void __init kb9202_board_init(void)
{
/* Serial */
@@ -129,6 +174,8 @@ static void __init kb9202_board_init(voi
at91_add_device_spi(NULL, 0);
/* NAND */
at91_add_device_nand(&kb9202_nand_data);
+ /* LCD */
+ kb9202_add_device_lcd();
}
MACHINE_START(KB9200, "KB920x")
--- /dev/null
+++ b/arch/arm/mach-at91/board-qil-a9260.c
@@ -0,0 +1,255 @@
+/*
+ * linux/arch/arm/mach-at91/board-qil-a9260.c
+ *
+ * Copyright (C) 2005 SAN People
+ * Copyright (C) 2006 Atmel
+ * Copyright (C) 2007 Calao-systems
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/clk.h>
+
+#include <asm/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/at91_shdwc.h>
+
+#include "generic.h"
+
+
+static void __init ek_map_io(void)
+{
+ /* Initialize processor: 12.000 MHz crystal */
+ at91sam9260_initialize(12000000);
+
+ /* DGBU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+ at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
+ | ATMEL_UART_RI);
+
+ /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
+ at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
+
+ /* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */
+ at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS);
+
+ /* set serial console to ttyS1 (ie, USART0) */
+ at91_set_serial_console(1);
+
+}
+
+static void __init ek_init_irq(void)
+{
+ at91sam9260_init_interrupts(NULL);
+}
+
+
+/*
+ * USB Host port
+ */
+static struct at91_usbh_data __initdata ek_usbh_data = {
+ .ports = 2,
+};
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata ek_udc_data = {
+ .vbus_pin = AT91_PIN_PC5,
+ .pullup_pin = 0, /* pull-up driven by UDC */
+};
+
+/*
+ * SPI devices.
+ */
+static struct spi_board_info ek_spi_devices[] = {
+#if defined(CONFIG_RTC_DRV_M41T94)
+ { /* M41T94 RTC */
+ .modalias = "m41t94",
+ .chip_select = 0,
+ .max_speed_hz = 1 * 1000 * 1000,
+ .bus_num = 0,
+ }
+#endif
+};
+
+/*
+ * MACB Ethernet device
+ */
+static struct at91_eth_data __initdata ek_macb_data = {
+ .phy_irq_pin = AT91_PIN_PA31,
+ .is_rmii = 1,
+};
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata ek_nand_partition[] = {
+ {
+ .name = "Uboot & Kernel",
+ .offset = 0x00000000,
+ .size = 16 * 1024 * 1024,
+ },
+ {
+ .name = "Root FS",
+ .offset = 0x01000000,
+ .size = 120 * 1024 * 1024,
+ },
+ {
+ .name = "FS",
+ .offset = 0x08800000,
+ .size = 120 * 1024 * 1024,
+ },
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+ *num_partitions = ARRAY_SIZE(ek_nand_partition);
+ return ek_nand_partition;
+}
+
+static struct at91_nand_data __initdata ek_nand_data = {
+ .ale = 21,
+ .cle = 22,
+// .det_pin = ... not connected
+ .rdy_pin = AT91_PIN_PC13,
+ .enable_pin = AT91_PIN_PC14,
+ .partition_info = nand_partitions,
+#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+ .bus_width_16 = 1,
+#else
+ .bus_width_16 = 0,
+#endif
+};
+
+/*
+ * MCI (SD/MMC)
+ */
+static struct at91_mmc_data __initdata ek_mmc_data = {
+ .slot_b = 0,
+ .wire4 = 1,
+// .det_pin = ... not connected
+// .wp_pin = ... not connected
+// .vcc_pin = ... not connected
+};
+
+/*
+ * GPIO Buttons
+ */
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button ek_buttons[] = {
+ { /* USER PUSH BUTTON */
+ .code = KEY_ENTER,
+ .gpio = AT91_PIN_PB10,
+ .active_low = 1,
+ .desc = "user_pb",
+ .wakeup = 1,
+ }
+};
+
+static struct gpio_keys_platform_data ek_button_data = {
+ .buttons = ek_buttons,
+ .nbuttons = ARRAY_SIZE(ek_buttons),
+};
+
+static struct platform_device ek_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &ek_button_data,
+ }
+};
+
+static void __init ek_add_device_buttons(void)
+{
+ at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
+ at91_set_deglitch(AT91_PIN_PB10, 1);
+
+ platform_device_register(&ek_button_device);
+}
+#else
+static void __init ek_add_device_buttons(void) {}
+#endif
+
+/*
+ * LEDs
+ */
+static struct gpio_led ek_leds[] = {
+ { /* user_led (green) */
+ .name = "user_led",
+ .gpio = AT91_PIN_PB21,
+ .active_low = 0,
+ .default_trigger = "heartbeat",
+ }
+};
+
+static void __init ek_board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+ /* USB Host */
+ at91_add_device_usbh(&ek_usbh_data);
+ /* USB Device */
+ at91_add_device_udc(&ek_udc_data);
+ /* SPI */
+ at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
+ /* NAND */
+ at91_add_device_nand(&ek_nand_data);
+ /* I2C */
+ at91_add_device_i2c(NULL, 0);
+ /* Ethernet */
+ at91_add_device_eth(&ek_macb_data);
+ /* MMC */
+ at91_add_device_mmc(0, &ek_mmc_data);
+ /* Push Buttons */
+ ek_add_device_buttons();
+ /* LEDs */
+ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+ /* shutdown controller, wakeup button (5 msec low) */
+ at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
+ | AT91_SHDW_RTTWKEN);
+}
+
+MACHINE_START(QIL_A9260, "CALAO QIL_A9260")
+ /* Maintainer: calao-systems */
+ .phys_io = AT91_BASE_SYS,
+ .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+ .boot_params = AT91_SDRAM_BASE + 0x100,
+ .timer = &at91sam926x_timer,
+ .map_io = ek_map_io,
+ .init_irq = ek_init_irq,
+ .init_machine = ek_board_init,
+MACHINE_END
--- /dev/null
+++ b/arch/arm/mach-at91/board-sam9-l9260.c
@@ -0,0 +1,199 @@
+/*
+ * linux/arch/arm/mach-at91/board-sam9-l9260.c
+ *
+ * Copyright (C) 2005 SAN People
+ * Copyright (C) 2006 Atmel
+ * Copyright (C) 2007 Olimex Ltd
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+
+#include <asm/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+
+#include "generic.h"
+
+
+static void __init ek_map_io(void)
+{
+ /* Initialize processor: 18.432 MHz crystal */
+ at91sam9260_initialize(18432000);
+
+ /* Setup the LEDs */
+ at91_init_leds(AT91_PIN_PA9, AT91_PIN_PA6);
+
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+ at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
+ | ATMEL_UART_RI);
+
+ /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
+ at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
+}
+
+static void __init ek_init_irq(void)
+{
+ at91sam9260_init_interrupts(NULL);
+}
+
+
+/*
+ * USB Host port
+ */
+static struct at91_usbh_data __initdata ek_usbh_data = {
+ .ports = 2,
+};
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata ek_udc_data = {
+ .vbus_pin = AT91_PIN_PC5,
+ .pullup_pin = 0, /* pull-up driven by UDC */
+};
+
+
+/*
+ * SPI devices.
+ */
+static struct spi_board_info ek_spi_devices[] = {
+#if !defined(CONFIG_MMC_AT91)
+ { /* DataFlash chip */
+ .modalias = "mtd_dataflash",
+ .chip_select = 1,
+ .max_speed_hz = 15 * 1000 * 1000,
+ .bus_num = 0,
+ },
+#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
+ { /* DataFlash card */
+ .modalias = "mtd_dataflash",
+ .chip_select = 0,
+ .max_speed_hz = 15 * 1000 * 1000,
+ .bus_num = 0,
+ },
+#endif
+#endif
+};
+
+
+/*
+ * MACB Ethernet device
+ */
+static struct at91_eth_data __initdata ek_macb_data = {
+ .phy_irq_pin = AT91_PIN_PA7,
+ .is_rmii = 0,
+};
+
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata ek_nand_partition[] = {
+ {
+ .name = "Bootloader Area",
+ .offset = 0,
+ .size = 10 * 1024 * 1024,
+ },
+ {
+ .name = "User Area",
+ .offset = 10 * 1024 * 1024,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+ *num_partitions = ARRAY_SIZE(ek_nand_partition);
+ return ek_nand_partition;
+}
+
+static struct at91_nand_data __initdata ek_nand_data = {
+ .ale = 21,
+ .cle = 22,
+// .det_pin = ... not connected
+ .rdy_pin = AT91_PIN_PC13,
+ .enable_pin = AT91_PIN_PC14,
+ .partition_info = nand_partitions,
+#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+ .bus_width_16 = 1,
+#else
+ .bus_width_16 = 0,
+#endif
+};
+
+
+/*
+ * MCI (SD/MMC)
+ */
+static struct at91_mmc_data __initdata ek_mmc_data = {
+ .slot_b = 1,
+ .wire4 = 1,
+ .det_pin = AT91_PIN_PC8,
+ .wp_pin = AT91_PIN_PC4,
+// .vcc_pin = ... not connected
+};
+
+static void __init ek_board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+ /* USB Host */
+ at91_add_device_usbh(&ek_usbh_data);
+ /* USB Device */
+ at91_add_device_udc(&ek_udc_data);
+ /* SPI */
+ at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
+ /* NAND */
+ at91_add_device_nand(&ek_nand_data);
+ /* Ethernet */
+ at91_add_device_eth(&ek_macb_data);
+ /* MMC */
+ at91_add_device_mmc(0, &ek_mmc_data);
+ /* I2C */
+ at91_add_device_i2c(NULL, 0);
+}
+
+MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260")
+ /* Maintainer: Olimex */
+ .phys_io = AT91_BASE_SYS,
+ .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+ .boot_params = AT91_SDRAM_BASE + 0x100,
+ .timer = &at91sam926x_timer,
+ .map_io = ek_map_io,
+ .init_irq = ek_init_irq,
+ .init_machine = ek_board_init,
+MACHINE_END
--- a/arch/arm/mach-at91/board-sam9260ek.c
+++ b/arch/arm/mach-at91/board-sam9260ek.c
@@ -25,6 +25,10 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
+#include <linux/spi/at73c213.h>
+#include <linux/clk.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
#include <asm/hardware.h>
#include <asm/setup.h>
@@ -37,29 +41,29 @@
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
-#include <asm/arch/at91sam926x_mc.h>
+#include <asm/arch/at91_shdwc.h>
#include "generic.h"
-/*
- * Serial port configuration.
- * 0 .. 5 = USART0 .. USART5
- * 6 = DBGU
- */
-static struct at91_uart_config __initdata ek_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 3,
- .tty_map = { 6, 0, 1, -1, -1, -1, -1 } /* ttyS0, ..., ttyS6 */
-};
-
static void __init ek_map_io(void)
{
/* Initialize processor: 18.432 MHz crystal */
at91sam9260_initialize(18432000);
- /* Setup the serial ports and console */
- at91_init_serial(&ek_uart_config);
+ /* DGBU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+ at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
+ | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
+ | ATMEL_UART_RI);
+
+ /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
+ at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
}
static void __init ek_init_irq(void)
@@ -85,6 +89,35 @@ static struct at91_udc_data __initdata e
/*
+ * Audio
+ */
+static struct at73c213_board_info at73c213_data = {
+ .ssc_id = 0,
+ .shortname = "AT91SAM9260-EK external DAC",
+};
+
+#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
+static void __init at73c213_set_clk(struct at73c213_board_info *info)
+{
+ struct clk *pck0;
+ struct clk *plla;
+
+ pck0 = clk_get(NULL, "pck0");
+ plla = clk_get(NULL, "plla");
+
+ /* AT73C213 MCK Clock */
+ at91_set_B_periph(AT91_PIN_PC1, 0); /* PCK0 */
+
+ clk_set_parent(pck0, plla);
+ clk_put(plla);
+
+ info->dac_clk = pck0;
+}
+#else
+static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
+#endif
+
+/*
* SPI devices.
*/
static struct spi_board_info ek_spi_devices[] = {
@@ -110,6 +143,8 @@ static struct spi_board_info ek_spi_devi
.chip_select = 0,
.max_speed_hz = 10 * 1000 * 1000,
.bus_num = 1,
+ .mode = SPI_MODE_1,
+ .platform_data = &at73c213_data,
},
#endif
};
@@ -172,6 +207,74 @@ static struct at91_mmc_data __initdata e
// .vcc_pin = ... not connected
};
+
+/*
+ * LEDs
+ */
+static struct gpio_led ek_leds[] = {
+ { /* "bottom" led, green, userled1 to be defined */
+ .name = "ds5",
+ .gpio = AT91_PIN_PA6,
+ .active_low = 1,
+ .default_trigger = "none",
+ },
+ { /* "power" led, yellow */
+ .name = "ds1",
+ .gpio = AT91_PIN_PA9,
+ .default_trigger = "heartbeat",
+ }
+};
+
+
+/*
+ * GPIO Buttons
+ */
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button ek_buttons[] = {
+ {
+ .gpio = AT91_PIN_PA30,
+ .code = BTN_3,
+ .desc = "Button 3",
+ .active_low = 1,
+ .wakeup = 1,
+ },
+ {
+ .gpio = AT91_PIN_PA31,
+ .code = BTN_4,
+ .desc = "Button 4",
+ .active_low = 1,
+ .wakeup = 1,
+ }
+};
+
+static struct gpio_keys_platform_data ek_button_data = {
+ .buttons = ek_buttons,
+ .nbuttons = ARRAY_SIZE(ek_buttons),
+};
+
+static struct platform_device ek_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &ek_button_data,
+ }
+};
+
+static void __init ek_add_device_buttons(void)
+{
+ at91_set_gpio_input(AT91_PIN_PA30, 1); /* btn3 */
+ at91_set_deglitch(AT91_PIN_PA30, 1);
+ at91_set_gpio_input(AT91_PIN_PA31, 1); /* btn4 */
+ at91_set_deglitch(AT91_PIN_PA31, 1);
+
+ platform_device_register(&ek_button_device);
+}
+#else
+static void __init ek_add_device_buttons(void) {}
+#endif
+
+
static void __init ek_board_init(void)
{
/* Serial */
@@ -190,6 +293,16 @@ static void __init ek_board_init(void)
at91_add_device_mmc(0, &ek_mmc_data);
/* I2C */
at91_add_device_i2c(NULL, 0);
+ /* SSC (to AT73C213) */
+ at73c213_set_clk(&at73c213_data);
+ at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
+ /* LEDs */
+ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+ /* Push Buttons */
+ ek_add_device_buttons();
+ /* shutdown controller, wakeup button (5 msec low) */
+ at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
+ | AT91_SHDW_RTTWKEN);
}
MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK")
--- a/arch/arm/mach-at91/board-sam9261ek.c
+++ b/arch/arm/mach-at91/board-sam9261ek.c
@@ -26,6 +26,8 @@
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
+#include <linux/spi/at73c213.h>
+#include <linux/clk.h>
#include <linux/dm9000.h>
#include <linux/fb.h>
#include <linux/gpio_keys.h>
@@ -44,22 +46,12 @@
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
-#include <asm/arch/at91sam926x_mc.h>
+#include <asm/arch/at91sam9_smc.h>
+#include <asm/arch/at91_shdwc.h>
#include "generic.h"
-/*
- * Serial port configuration.
- * 0 .. 2 = USART0 .. USART2
- * 3 = DBGU
- */
-static struct at91_uart_config __initdata ek_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 1,
- .tty_map = { 3, -1, -1, -1 } /* ttyS0, ..., ttyS3 */
-};
-
static void __init ek_map_io(void)
{
/* Initialize processor: 18.432 MHz crystal */
@@ -68,8 +60,11 @@ static void __init ek_map_io(void)
/* Setup the LEDs */
at91_init_leds(AT91_PIN_PA13, AT91_PIN_PA14);
- /* Setup the serial ports and console */
- at91_init_serial(&ek_uart_config);
+ /* DGBU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
}
static void __init ek_init_irq(void)
@@ -239,6 +234,35 @@ static void __init ek_add_device_ts(void
#endif
/*
+ * Audio
+ */
+static struct at73c213_board_info at73c213_data = {
+ .ssc_id = 1,
+ .shortname = "AT91SAM9261-EK external DAC",
+};
+
+#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
+static void __init at73c213_set_clk(struct at73c213_board_info *info)
+{
+ struct clk *pck2;
+ struct clk *plla;
+
+ pck2 = clk_get(NULL, "pck2");
+ plla = clk_get(NULL, "plla");
+
+ /* AT73C213 MCK Clock */
+ at91_set_B_periph(AT91_PIN_PB31, 0); /* PCK2 */
+
+ clk_set_parent(pck2, plla);
+ clk_put(plla);
+
+ info->dac_clk = pck2;
+}
+#else
+static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
+#endif
+
+/*
* SPI devices
*/
static struct spi_board_info ek_spi_devices[] = {
@@ -252,10 +276,11 @@ static struct spi_board_info ek_spi_devi
{
.modalias = "ads7846",
.chip_select = 2,
- .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
+ .max_speed_hz = 125000 * 16, /* max sample rate * clocks per sample */
.bus_num = 0,
.platform_data = &ads_info,
.irq = AT91SAM9261_ID_IRQ0,
+ .controller_data = (void *) AT91_PIN_PA28, /* CS pin */
},
#endif
#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
@@ -271,6 +296,9 @@ static struct spi_board_info ek_spi_devi
.chip_select = 3,
.max_speed_hz = 10 * 1000 * 1000,
.bus_num = 0,
+ .mode = SPI_MODE_1,
+ .platform_data = &at73c213_data,
+ .controller_data = (void*) AT91_PIN_PA29, /* default for CS3 is PA6, but it must be PA29 */
},
#endif
};
@@ -408,24 +436,28 @@ static struct gpio_keys_button ek_button
.code = BTN_0,
.desc = "Button 0",
.active_low = 1,
+ .wakeup = 1,
},
{
.gpio = AT91_PIN_PA26,
.code = BTN_1,
.desc = "Button 1",
.active_low = 1,
+ .wakeup = 1,
},
{
.gpio = AT91_PIN_PA25,
.code = BTN_2,
.desc = "Button 2",
.active_low = 1,
+ .wakeup = 1,
},
{
.gpio = AT91_PIN_PA24,
.code = BTN_3,
.desc = "Button 3",
.active_low = 1,
+ .wakeup = 1,
}
};
@@ -445,13 +477,13 @@ static struct platform_device ek_button_
static void __init ek_add_device_buttons(void)
{
- at91_set_gpio_input(AT91_PIN_PA27, 0); /* btn0 */
+ at91_set_gpio_input(AT91_PIN_PA27, 1); /* btn0 */
at91_set_deglitch(AT91_PIN_PA27, 1);
- at91_set_gpio_input(AT91_PIN_PA26, 0); /* btn1 */
+ at91_set_gpio_input(AT91_PIN_PA26, 1); /* btn1 */
at91_set_deglitch(AT91_PIN_PA26, 1);
- at91_set_gpio_input(AT91_PIN_PA25, 0); /* btn2 */
+ at91_set_gpio_input(AT91_PIN_PA25, 1); /* btn2 */
at91_set_deglitch(AT91_PIN_PA25, 1);
- at91_set_gpio_input(AT91_PIN_PA24, 0); /* btn3 */
+ at91_set_gpio_input(AT91_PIN_PA24, 1); /* btn3 */
at91_set_deglitch(AT91_PIN_PA24, 1);
platform_device_register(&ek_button_device);
@@ -460,6 +492,29 @@ static void __init ek_add_device_buttons
static void __init ek_add_device_buttons(void) {}
#endif
+/*
+ * LEDs
+ */
+static struct gpio_led ek_leds[] = {
+ { /* "bottom" led, green, userled1 to be defined */
+ .name = "ds7",
+ .gpio = AT91_PIN_PA14,
+ .active_low = 1,
+ .default_trigger = "none",
+ },
+ { /* "top" led, green, userled2 to be defined */
+ .name = "ds8",
+ .gpio = AT91_PIN_PA13,
+ .active_low = 1,
+ .default_trigger = "none",
+ },
+ { /* "power" led, yellow */
+ .name = "ds1",
+ .gpio = AT91_PIN_PA23,
+ .default_trigger = "heartbeat",
+ }
+};
+
static void __init ek_board_init(void)
{
/* Serial */
@@ -481,6 +536,9 @@ static void __init ek_board_init(void)
at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
/* Touchscreen */
ek_add_device_ts();
+ /* SSC (to AT73C213) */
+ at73c213_set_clk(&at73c213_data);
+ at91_add_device_ssc(AT91SAM9261_ID_SSC1, ATMEL_SSC_TX);
#else
/* MMC */
at91_add_device_mmc(0, &ek_mmc_data);
@@ -489,6 +547,11 @@ static void __init ek_board_init(void)
at91_add_device_lcdc(&ek_lcdc_data);
/* Push Buttons */
ek_add_device_buttons();
+ /* LEDs */
+ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+ /* shutdown controller, wakeup button (5 msec low) */
+ at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
+ | AT91_SHDW_RTTWKEN);
}
MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK")
--- a/arch/arm/mach-at91/board-sam9263ek.c
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -43,29 +43,24 @@
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
-#include <asm/arch/at91sam926x_mc.h>
+#include <asm/arch/at91_shdwc.h>
#include "generic.h"
-/*
- * Serial port configuration.
- * 0 .. 2 = USART0 .. USART2
- * 3 = DBGU
- */
-static struct at91_uart_config __initdata ek_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 2,
- .tty_map = { 3, 0, -1, -1, } /* ttyS0, ..., ttyS3 */
-};
-
static void __init ek_map_io(void)
{
/* Initialize processor: 16.367 MHz crystal */
at91sam9263_initialize(16367660);
- /* Setup the serial ports and console */
- at91_init_serial(&ek_uart_config);
+ /* DGBU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */
+ at91_register_uart(AT91SAM9263_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
}
static void __init ek_init_irq(void)
@@ -141,7 +136,7 @@ static struct spi_board_info ek_spi_devi
{
.modalias = "ads7846",
.chip_select = 3,
- .max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
+ .max_speed_hz = 125000 * 16, /* max sample rate * clocks per sample */
.bus_num = 0,
.platform_data = &ads_info,
.irq = AT91SAM9263_ID_IRQ1,
@@ -301,9 +296,9 @@ static struct platform_device ek_button_
static void __init ek_add_device_buttons(void)
{
- at91_set_GPIO_periph(AT91_PIN_PC5, 0); /* left button */
+ at91_set_GPIO_periph(AT91_PIN_PC5, 1); /* left button */
at91_set_deglitch(AT91_PIN_PC5, 1);
- at91_set_GPIO_periph(AT91_PIN_PC4, 0); /* right button */
+ at91_set_GPIO_periph(AT91_PIN_PC4, 1); /* right button */
at91_set_deglitch(AT91_PIN_PC4, 1);
platform_device_register(&ek_button_device);
@@ -341,7 +336,7 @@ static struct gpio_led ek_leds[] = {
.name = "ds3",
.gpio = AT91_PIN_PB7,
.default_trigger = "heartbeat",
- },
+ }
};
@@ -374,6 +369,9 @@ static void __init ek_board_init(void)
at91_add_device_ac97(&ek_ac97_data);
/* LEDs */
at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+ /* shutdown controller, wakeup button (5 msec low) */
+ at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
+ | AT91_SHDW_RTTWKEN);
}
MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")
--- a/arch/arm/mach-at91/board-sam9rlek.c
+++ b/arch/arm/mach-at91/board-sam9rlek.c
@@ -29,29 +29,24 @@
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
-#include <asm/arch/at91sam926x_mc.h>
+#include <asm/arch/at91_shdwc.h>
#include "generic.h"
-/*
- * Serial port configuration.
- * 0 .. 3 = USART0 .. USART3
- * 4 = DBGU
- */
-static struct at91_uart_config __initdata ek_uart_config = {
- .console_tty = 0, /* ttyS0 */
- .nr_tty = 2,
- .tty_map = { 4, 0, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
-};
-
static void __init ek_map_io(void)
{
/* Initialize processor: 12.000 MHz crystal */
at91sam9rl_initialize(12000000);
- /* Setup the serial ports and console */
- at91_init_serial(&ek_uart_config);
+ /* DGBU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */
+ at91_register_uart(AT91SAM9RL_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
}
static void __init ek_init_irq(void)
@@ -61,6 +56,14 @@ static void __init ek_init_irq(void)
/*
+ * USB HS Device port
+ */
+static struct usba_platform_data __initdata ek_usba_udc_data = {
+ .vbus_pin = AT91_PIN_PA8,
+};
+
+
+/*
* MCI (SD/MMC)
*/
static struct at91_mmc_data __initdata ek_mmc_data = {
@@ -180,6 +183,8 @@ static void __init ek_board_init(void)
{
/* Serial */
at91_add_device_serial();
+ /* USB HS */
+ at91_add_device_usba(&ek_usba_udc_data);
/* I2C */
at91_add_device_i2c(NULL, 0);
/* NAND */
@@ -190,6 +195,9 @@ static void __init ek_board_init(void)
at91_add_device_mmc(0, &ek_mmc_data);
/* LCD Controller */
at91_add_device_lcdc(&ek_lcdc_data);
+ /* shutdown controller, wakeup button (5 msec low) */
+ at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
+ | AT91_SHDW_RTTWKEN);
}
MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK")
--- /dev/null
+++ b/arch/arm/mach-at91/board-tms.c
@@ -0,0 +1,198 @@
+/*
+* linux/arch/arm/mach-at91/board-tms.c
+*
+* Copyright (C) 2005 SAN People
+*
+* Adapted from board-dk to sweda TMS-100 by Luiz de Barros <lboneto@gmail.com>
+*
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation; either version 2 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/mtd/physmap.h>
+
+#include <asm/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/at91rm9200_mc.h>
+
+#include "generic.h"
+#include <linux/serial_8250.h>
+
+
+#define SERIAL_FLAGS (UPF_BOOT_AUTOCONF | UPF_IOREMAP| UPF_SHARE_IRQ)
+#define SERIAL_CLK (1843200)
+
+
+/*---------------------------------------------------------------------
+ * External UART
+ */
+
+#define PORT(_base, _irq) \
+ { \
+ .mapbase = _base, \
+ .irq = _irq, \
+ .uartclk = SERIAL_CLK, \
+ .iotype = UPIO_MEM, \
+ .regshift = 0, \
+ .flags = SERIAL_FLAGS, \
+ }
+
+static struct plat_serial8250_port tms_data[] = {
+ PORT(0x70000000, AT91_PIN_PC3),
+ PORT(0x80000000, AT91_PIN_PC5),
+ { },
+};
+
+static struct platform_device tms_device = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev =
+ {
+ .platform_data = &tms_data,
+ },
+};
+
+static void setup_external_uart(void)
+{
+ at91_sys_write(AT91_SMC_CSR(2),
+ AT91_SMC_ACSS_STD
+ | AT91_SMC_DBW_8
+ | AT91_SMC_BAT
+ | AT91_SMC_WSEN
+ | AT91_SMC_NWS_(32) /* wait states */
+ | AT91_SMC_RWSETUP_(6) /* setup time */
+ | AT91_SMC_RWHOLD_(4) /* hold time */
+
+ );
+ at91_sys_write(AT91_SMC_CSR(6),
+ AT91_SMC_ACSS_STD
+ | AT91_SMC_DBW_8
+ | AT91_SMC_BAT
+ | AT91_SMC_WSEN
+ | AT91_SMC_NWS_(32) /* wait states */
+ | AT91_SMC_RWSETUP_(6) /* setup time */
+ | AT91_SMC_RWHOLD_(4) /* hold time */
+
+ );
+ at91_sys_write(AT91_SMC_CSR(7),
+ AT91_SMC_ACSS_STD
+ | AT91_SMC_DBW_8
+ | AT91_SMC_BAT
+ | AT91_SMC_WSEN
+ | AT91_SMC_NWS_(32) /* wait states */
+ | AT91_SMC_RWSETUP_(6) /* setup time */
+ | AT91_SMC_RWHOLD_(4) /* hold time */
+ );
+
+ platform_device_register(&tms_device);
+}
+
+
+/*
+ * Serial port configuration.
+ * 0 .. 3 = USART0 .. USART3
+ * 4 = DBGU
+ */
+static struct at91_uart_config __initdata tms_uart_config = {
+ .console_tty = 0, /* ttyS0 */
+ .nr_tty = 5,
+ .tty_map = { 4, 0, 1, 2, 3 } /* ttyS0, ..., ttyS4 */
+};
+
+static void __init tms_map_io(void)
+{
+ /* Initialize processor: 18.432 MHz crystal */
+ at91rm9200_initialize(18432000, AT91RM9200_BGA);
+
+ /* Setup the LEDs */
+ at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
+
+ /* Setup the serial ports and console */
+ at91_init_serial(&tms_uart_config);
+}
+
+static void __init tms_init_irq(void)
+{
+ at91rm9200_init_interrupts(NULL);
+}
+
+
+static struct at91_eth_data __initdata tms_eth_data = {
+ .phy_irq_pin = AT91_PIN_PC4,
+ .is_rmii = 1,
+};
+
+static struct at91_usbh_data __initdata tms_usbh_data = {
+ .ports = 2,
+};
+
+static struct spi_board_info tms_spi_devices[] = {
+ { /* DataFlash chip */
+ .modalias = "mtd_dataflash",
+ .chip_select = 0,
+ .max_speed_hz = 15 * 1000 * 1000,
+ },
+ { /* DataFlash chip */
+ .modalias = "mtd_dataflash",
+ .chip_select = 1,
+ .max_speed_hz = 15 * 1000 * 1000,
+ }
+};
+
+static struct i2c_board_info __initdata tms_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("isl1208", 0x6f),
+ }
+};
+
+static void __init tms_board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+ /* Ethernet */
+ at91_add_device_eth(&tms_eth_data);
+ at91_add_device_usbh(&tms_usbh_data);
+ /* I2C */
+ at91_add_device_i2c(tms_i2c_devices, ARRAY_SIZE(tms_i2c_devices));
+ /* SPI */
+ at91_add_device_spi(tms_spi_devices, ARRAY_SIZE(tms_spi_devices));
+ /* Two port external UART */
+ setup_external_uart();
+}
+
+MACHINE_START(SWEDATMS, "Sweda TMS-100 Board")
+ /* Maintainer: Luiz de Barros */
+ .phys_io = AT91_BASE_SYS,
+ .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+ .boot_params = AT91_SDRAM_BASE + 0x100,
+ .timer = &at91rm9200_timer,
+ .map_io = tms_map_io,
+ .init_irq = tms_init_irq,
+ .init_machine = tms_board_init,
+MACHINE_END
--- /dev/null
+++ b/arch/arm/mach-at91/board-tt9200.c
@@ -0,0 +1,192 @@
+/*
+ * linux/arch/arm/mach-at91rm9200/board-tt9200.c
+ * Copyright (C) 2007 Toptechnology
+ *
+ * Based on board-ecbat91.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+
+#include <asm/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+
+#include "generic.h"
+
+
+static void __init tt9200_map_io(void)
+{
+ /* Initialize processor: 18.432 MHz crystal */
+ at91rm9200_initialize(18432000, AT91RM9200_PQFP);
+
+ /* Setup the LEDs */
+ at91_init_leds(AT91_PIN_PB27, AT91_PIN_PB27);
+
+ /* DBGU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* USART0 on ttyS1. (Rx & Tx only) */
+ at91_register_uart(AT91RM9200_ID_US0, 1, 0);
+
+ /* USART1 on ttyS2. (Rx & Tx only) */
+ at91_register_uart(AT91RM9200_ID_US1, 2, 0);
+
+ /* USART2 on ttyS3. (Rx & Tx only) */
+ at91_register_uart(AT91RM9200_ID_US2, 3, 0);
+
+ /* USART3 on ttyS4. (Rx, Tx, CTS, RTS) */
+ at91_register_uart(AT91RM9200_ID_US3, 4, ATMEL_UART_CTS | ATMEL_UART_RTS);
+
+ /* Console on ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
+}
+
+static void __init tt9200_init_irq(void)
+{
+ at91rm9200_init_interrupts(NULL);
+}
+
+static struct at91_eth_data __initdata tt9200_eth_data = {
+ .phy_irq_pin = AT91_PIN_PB29,
+ .is_rmii = 0,
+};
+
+static struct at91_usbh_data __initdata tt9200_usbh_data = {
+ .ports = 1,
+};
+
+static struct i2c_board_info __initdata tt9200_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("rtc-m41t80", 0x68),
+ .type = "m41t80",
+ }
+};
+
+static struct at91_mmc_data __initdata tt9200_mmc_data = {
+ .slot_b = 0,
+ .wire4 = 1,
+};
+
+
+#if defined(CONFIG_MTD_DATAFLASH)
+static struct mtd_partition __initdata tt9200_flash_partitions[] =
+{
+ {
+ .name = "Darrell",
+ .offset = 0,
+ .size = 12 * 1056,
+ },
+ {
+ .name = "U-boot",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 110 * 1056,
+ },
+ {
+ .name = "U-boot env",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 8 * 1056,
+ },
+ {
+ .name = "Kernel",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 1534 * 1056,
+ },
+ {
+ .name = "Filesystem",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL,
+ }
+};
+
+static struct flash_platform_data __initdata tt9200_flash_platform = {
+ .name = "SPI Dataflash",
+ .parts = tt9200_flash_partitions,
+ .nr_parts = ARRAY_SIZE(tt9200_flash_partitions)
+};
+
+#endif
+
+static struct spi_board_info __initdata tt9200_spi_devices[] = {
+ { /* DataFlash chip */
+ .modalias = "mtd_dataflash",
+ .chip_select = 0,
+ /* Errata #13 */
+ .max_speed_hz = 5 * 1000 * 1000,
+ .bus_num = 0,
+#if defined(CONFIG_MTD_DATAFLASH)
+ .platform_data = &tt9200_flash_platform,
+#endif
+ },
+};
+
+static struct gpio_led tt9200_leds[] = {
+ {
+ .name = "led0",
+ .gpio = AT91_PIN_PB27,
+ .active_low = 1,
+ .default_trigger = "heartbeat",
+ }
+};
+
+static void __init tt9200_board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+
+ /* Ethernet */
+ at91_add_device_eth(&tt9200_eth_data);
+
+ /* USB Host */
+ at91_add_device_usbh(&tt9200_usbh_data);
+
+ /* I2C */
+ at91_add_device_i2c(tt9200_i2c_devices, ARRAY_SIZE(tt9200_i2c_devices));
+
+ /* MMC */
+ at91_add_device_mmc(0, &tt9200_mmc_data);
+
+ /* LEDS */
+ at91_gpio_leds(tt9200_leds, ARRAY_SIZE(tt9200_leds));
+
+ /* SPI */
+ at91_add_device_spi(tt9200_spi_devices, ARRAY_SIZE(tt9200_spi_devices));
+}
+
+MACHINE_START(TT9200, "Toptech TT9200")
+ /* Maintainer: toptech.com.ar */
+ .phys_io = AT91_BASE_SYS,
+ .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+ .boot_params = AT91_SDRAM_BASE + 0x100,
+ .timer = &at91rm9200_timer,
+ .map_io = tt9200_map_io,
+ .init_irq = tt9200_init_irq,
+ .init_machine = tt9200_board_init,
+MACHINE_END
--- /dev/null
+++ b/arch/arm/mach-at91/board-usb-a9260.c
@@ -0,0 +1,215 @@
+/*
+ * linux/arch/arm/mach-at91/board-usb-a9260.c
+ *
+ * Copyright (C) 2005 SAN People
+ * Copyright (C) 2006 Atmel
+ * Copyright (C) 2007 Calao-systems
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/clk.h>
+
+#include <asm/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/at91_shdwc.h>
+
+#include "generic.h"
+
+
+static void __init ek_map_io(void)
+{
+ /* Initialize processor: 12.000 MHz crystal */
+ at91sam9260_initialize(12000000);
+
+ /* DGBU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
+}
+
+static void __init ek_init_irq(void)
+{
+ at91sam9260_init_interrupts(NULL);
+}
+
+
+/*
+ * USB Host port
+ */
+static struct at91_usbh_data __initdata ek_usbh_data = {
+ .ports = 2,
+};
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata ek_udc_data = {
+ .vbus_pin = AT91_PIN_PC5,
+ .pullup_pin = 0, /* pull-up driven by UDC */
+};
+
+/*
+ * MACB Ethernet device
+ */
+static struct at91_eth_data __initdata ek_macb_data = {
+ .phy_irq_pin = AT91_PIN_PA31,
+ .is_rmii = 1,
+};
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata ek_nand_partition[] = {
+ {
+ .name = "Uboot & Kernel",
+ .offset = 0x00000000,
+ .size = 16 * 1024 * 1024,
+ },
+ {
+ .name = "Root FS",
+ .offset = 0x01000000,
+ .size = 120 * 1024 * 1024,
+ },
+ {
+ .name = "FS",
+ .offset = 0x08800000,
+ .size = 120 * 1024 * 1024,
+ }
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+ *num_partitions = ARRAY_SIZE(ek_nand_partition);
+ return ek_nand_partition;
+}
+
+static struct at91_nand_data __initdata ek_nand_data = {
+ .ale = 21,
+ .cle = 22,
+// .det_pin = ... not connected
+ .rdy_pin = AT91_PIN_PC13,
+ .enable_pin = AT91_PIN_PC14,
+ .partition_info = nand_partitions,
+#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+ .bus_width_16 = 1,
+#else
+ .bus_width_16 = 0,
+#endif
+};
+
+/*
+ * GPIO Buttons
+ */
+
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button ek_buttons[] = {
+ { /* USER PUSH BUTTON */
+ .code = KEY_ENTER,
+ .gpio = AT91_PIN_PB10,
+ .active_low = 1,
+ .desc = "user_pb",
+ .wakeup = 1,
+ }
+};
+
+static struct gpio_keys_platform_data ek_button_data = {
+ .buttons = ek_buttons,
+ .nbuttons = ARRAY_SIZE(ek_buttons),
+};
+
+static struct platform_device ek_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &ek_button_data,
+ }
+};
+
+static void __init ek_add_device_buttons(void)
+{
+ at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
+ at91_set_deglitch(AT91_PIN_PB10, 1);
+
+ platform_device_register(&ek_button_device);
+}
+#else
+static void __init ek_add_device_buttons(void) {}
+#endif
+
+/*
+ * LEDs
+ */
+static struct gpio_led ek_leds[] = {
+ { /* user_led (green) */
+ .name = "user_led",
+ .gpio = AT91_PIN_PB21,
+ .active_low = 0,
+ .default_trigger = "heartbeat",
+ }
+};
+
+static void __init ek_board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+ /* USB Host */
+ at91_add_device_usbh(&ek_usbh_data);
+ /* USB Device */
+ at91_add_device_udc(&ek_udc_data);
+ /* NAND */
+ at91_add_device_nand(&ek_nand_data);
+ /* I2C */
+ at91_add_device_i2c(NULL, 0);
+ /* Ethernet */
+ at91_add_device_eth(&ek_macb_data);
+ /* Push Buttons */
+ ek_add_device_buttons();
+ /* LEDs */
+ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+ /* shutdown controller, wakeup button (5 msec low) */
+ at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
+ | AT91_SHDW_RTTWKEN);
+}
+
+MACHINE_START(USB_A9260, "CALAO USB_A9260")
+ /* Maintainer: calao-systems */
+ .phys_io = AT91_BASE_SYS,
+ .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+ .boot_params = AT91_SDRAM_BASE + 0x100,
+ .timer = &at91sam926x_timer,
+ .map_io = ek_map_io,
+ .init_irq = ek_init_irq,
+ .init_machine = ek_board_init,
+MACHINE_END
--- /dev/null
+++ b/arch/arm/mach-at91/board-usb-a9263.c
@@ -0,0 +1,230 @@
+/*
+ * linux/arch/arm/mach-at91/board-usb-a9263.c
+ *
+ * Copyright (C) 2005 SAN People
+ * Copyright (C) 2007 Atmel Corporation.
+ * Copyright (C) 2007 Calao-systems
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+
+#include <asm/hardware.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/at91_shdwc.h>
+
+#include "generic.h"
+
+
+static void __init ek_map_io(void)
+{
+ /* Initialize processor: 12.00 MHz crystal */
+ at91sam9263_initialize(12000000);
+
+ /* DGBU on ttyS0. (Rx & Tx only) */
+ at91_register_uart(0, 0, 0);
+
+ /* set serial console to ttyS0 (ie, DBGU) */
+ at91_set_serial_console(0);
+}
+
+static void __init ek_init_irq(void)
+{
+ at91sam9263_init_interrupts(NULL);
+}
+
+
+/*
+ * USB Host port
+ */
+static struct at91_usbh_data __initdata ek_usbh_data = {
+ .ports = 2,
+};
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata ek_udc_data = {
+ .vbus_pin = AT91_PIN_PB11,
+ .pullup_pin = 0, /* pull-up driven by UDC */
+};
+
+/*
+ * SPI devices.
+ */
+static struct spi_board_info ek_spi_devices[] = {
+#if !defined(CONFIG_MMC_AT91)
+ { /* DataFlash chip */
+ .modalias = "mtd_dataflash",
+ .chip_select = 0,
+ .max_speed_hz = 15 * 1000 * 1000,
+ .bus_num = 0,
+ }
+#endif
+};
+
+/*
+ * MACB Ethernet device
+ */
+static struct at91_eth_data __initdata ek_macb_data = {
+ .phy_irq_pin = AT91_PIN_PE31,
+ .is_rmii = 1,
+};
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata ek_nand_partition[] = {
+ {
+ .name = "Linux Kernel",
+ .offset = 0x00000000,
+ .size = 16 * 1024 * 1024,
+ },
+ {
+ .name = "Root FS",
+ .offset = 0x01000000,
+ .size = 120 * 1024 * 1024,
+ },
+ {
+ .name = "FS",
+ .offset = 0x08800000,
+ .size = 120 * 1024 * 1024,
+ }
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+ *num_partitions = ARRAY_SIZE(ek_nand_partition);
+ return ek_nand_partition;
+}
+
+static struct at91_nand_data __initdata ek_nand_data = {
+ .ale = 21,
+ .cle = 22,
+// .det_pin = ... not connected
+ .rdy_pin = AT91_PIN_PA22,
+ .enable_pin = AT91_PIN_PD15,
+ .partition_info = nand_partitions,
+#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16)
+ .bus_width_16 = 1,
+#else
+ .bus_width_16 = 0,
+#endif
+};
+
+/*
+ * GPIO Buttons
+ */
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button ek_buttons[] = {
+ { /* USER PUSH BUTTON */
+ .code = KEY_ENTER,
+ .gpio = AT91_PIN_PB10,
+ .active_low = 1,
+ .desc = "user_pb",
+ .wakeup = 1,
+ }
+};
+
+static struct gpio_keys_platform_data ek_button_data = {
+ .buttons = ek_buttons,
+ .nbuttons = ARRAY_SIZE(ek_buttons),
+};
+
+static struct platform_device ek_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &ek_button_data,
+ }
+};
+
+static void __init ek_add_device_buttons(void)
+{
+ at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
+ at91_set_deglitch(AT91_PIN_PB10, 1);
+
+ platform_device_register(&ek_button_device);
+}
+#else
+static void __init ek_add_device_buttons(void) {}
+#endif
+
+/*
+ * LEDs
+ */
+static struct gpio_led ek_leds[] = {
+ { /* user_led (green) */
+ .name = "user_led",
+ .gpio = AT91_PIN_PB21,
+ .active_low = 1,
+ .default_trigger = "heartbeat",
+ }
+};
+
+
+static void __init ek_board_init(void)
+{
+ /* Serial */
+ at91_add_device_serial();
+ /* USB Host */
+ at91_add_device_usbh(&ek_usbh_data);
+ /* USB Device */
+ at91_add_device_udc(&ek_udc_data);
+ /* SPI */
+ at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
+ /* Ethernet */
+ at91_add_device_eth(&ek_macb_data);
+ /* NAND */
+ at91_add_device_nand(&ek_nand_data);
+ /* I2C */
+ at91_add_device_i2c(NULL, 0);
+ /* Push Buttons */
+ ek_add_device_buttons();
+ /* LEDs */
+ at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+ /* shutdown controller, wakeup button (5 msec low) */
+ at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
+ | AT91_SHDW_RTTWKEN);
+}
+
+MACHINE_START(USB_A9263, "CALAO USB_A9263")
+ /* Maintainer: calao-systems */
+ .phys_io = AT91_BASE_SYS,
+ .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
+ .boot_params = AT91_SDRAM_BASE + 0x100,
+ .timer = &at91sam926x_timer,
+ .map_io = ek_map_io,
+ .init_irq = ek_init_irq,
+ .init_machine = ek_board_init,
+MACHINE_END
--- a/arch/arm/mach-at91/clock.c
+++ b/arch/arm/mach-at91/clock.c
@@ -32,6 +32,7 @@
#include <asm/arch/cpu.h>
#include "clock.h"
+#include "generic.h"
/*
@@ -113,12 +114,34 @@ static void pmc_sys_mode(struct clk *clk
at91_sys_write(AT91_PMC_SCDR, clk->pmc_mask);
}
+static void pmc_uckr_mode(struct clk *clk, int is_on)
+{
+ unsigned int uckr = at91_sys_read(AT91_CKGR_UCKR);
+
+ if (is_on) {
+ is_on = AT91_PMC_LOCKU;
+ at91_sys_write(AT91_CKGR_UCKR, uckr | clk->pmc_mask);
+ } else
+ at91_sys_write(AT91_CKGR_UCKR, uckr & ~(clk->pmc_mask));
+
+ do {
+ cpu_relax();
+ } while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKU) != is_on);
+}
+
/* USB function clocks (PLLB must be 48 MHz) */
static struct clk udpck = {
.name = "udpck",
.parent = &pllb,
.mode = pmc_sys_mode,
};
+static struct clk utmi_clk = {
+ .name = "utmi_clk",
+ .parent = &main_clk,
+ .pmc_mask = AT91_PMC_UPLLEN, /* in CKGR_UCKR */
+ .mode = pmc_uckr_mode,
+ .type = CLK_TYPE_PLL,
+};
static struct clk uhpck = {
.name = "uhpck",
.parent = &pllb,
@@ -254,6 +277,23 @@ EXPORT_SYMBOL(clk_get_rate);
/*------------------------------------------------------------------------*/
+#ifdef CONFIG_PM
+
+int clk_must_disable(struct clk *clk)
+{
+ if (!at91_suspend_entering_slow_clock())
+ return 0;
+
+ while (clk->parent)
+ clk = clk->parent;
+ return clk != &clk32k;
+}
+EXPORT_SYMBOL(clk_must_disable);
+
+#endif
+
+/*------------------------------------------------------------------------*/
+
#ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS
/*
@@ -362,7 +402,7 @@ static void __init init_programmable_clo
static int at91_clk_show(struct seq_file *s, void *unused)
{
- u32 scsr, pcsr, sr;
+ u32 scsr, pcsr, uckr = 0, sr;
struct clk *clk;
seq_printf(s, "SCSR = %8x\n", scsr = at91_sys_read(AT91_PMC_SCSR));
@@ -370,7 +410,10 @@ static int at91_clk_show(struct seq_file
seq_printf(s, "MOR = %8x\n", at91_sys_read(AT91_CKGR_MOR));
seq_printf(s, "MCFR = %8x\n", at91_sys_read(AT91_CKGR_MCFR));
seq_printf(s, "PLLA = %8x\n", at91_sys_read(AT91_CKGR_PLLAR));
- seq_printf(s, "PLLB = %8x\n", at91_sys_read(AT91_CKGR_PLLBR));
+ if (!cpu_is_at91sam9rl())
+ seq_printf(s, "PLLB = %8x\n", at91_sys_read(AT91_CKGR_PLLBR));
+ if (cpu_is_at91cap9() || cpu_is_at91sam9rl())
+ seq_printf(s, "UCKR = %8x\n", uckr = at91_sys_read(AT91_CKGR_UCKR));
seq_printf(s, "MCKR = %8x\n", at91_sys_read(AT91_PMC_MCKR));
seq_printf(s, "SR = %8x\n", sr = at91_sys_read(AT91_PMC_SR));
@@ -383,6 +426,8 @@ static int at91_clk_show(struct seq_file
state = (scsr & clk->pmc_mask) ? "on" : "off";
else if (clk->mode == pmc_periph_mode)
state = (pcsr & clk->pmc_mask) ? "on" : "off";
+ else if (clk->mode == pmc_uckr_mode)
+ state = (uckr & clk->pmc_mask) ? "on" : "off";
else if (clk->pmc_mask)
state = (sr & clk->pmc_mask) ? "on" : "off";
else if (clk == &clk32k || clk == &main_clk)
@@ -583,6 +628,17 @@ int __init at91_clock_init(unsigned long
uhpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init);
/*
+ * USB HS clock init
+ */
+ if (cpu_is_at91cap9() || cpu_is_at91sam9rl()) {
+ /*
+ * multiplier is hard-wired to 40
+ * (obtain the USB High Speed 480 MHz when input is 12 MHz)
+ */
+ utmi_clk.rate_hz = 40 * utmi_clk.parent->rate_hz;
+ }
+
+ /*
* MCK and CPU derive from one of those primary clocks.
* For now, assume this parentage won't change.
*/
@@ -599,6 +655,9 @@ int __init at91_clock_init(unsigned long
for (i = 0; i < ARRAY_SIZE(standard_pmc_clocks); i++)
list_add_tail(&standard_pmc_clocks[i]->node, &clocks);
+ if (cpu_is_at91cap9() || cpu_is_at91sam9rl())
+ list_add_tail(&utmi_clk.node, &clocks);
+
/* MCK and CPU clock are "always on" */
clk_enable(&mck);
--- a/arch/arm/mach-at91/generic.h
+++ b/arch/arm/mach-at91/generic.h
@@ -41,6 +41,7 @@ extern void __init at91_clock_associate(
/* Power Management */
extern void at91_irq_suspend(void);
extern void at91_irq_resume(void);
+extern int at91_suspend_entering_slow_clock(void);
/* GPIO */
#define AT91RM9200_PQFP 3 /* AT91RM9200 PQFP package has 3 banks */
--- a/arch/arm/mach-at91/gpio.c
+++ b/arch/arm/mach-at91/gpio.c
@@ -490,7 +490,8 @@ postcore_initcall(at91_gpio_debugfs_init
/*--------------------------------------------------------------------------*/
-/* This lock class tells lockdep that GPIO irqs are in a different
+/*
+ * This lock class tells lockdep that GPIO irqs are in a different
* category than their parents, so it won't report false recursion.
*/
static struct lock_class_key gpio_lock_class;
@@ -557,6 +558,7 @@ void __init at91_gpio_init(struct at91_g
data->regbase = data->offset + (void __iomem *)AT91_VA_BASE_SYS;
/* AT91SAM9263_ID_PIOCDE groups PIOC, PIOD, PIOE */
+ /* AT91CAP9_ID_PIOABCD groups PIOA, PIOB, PIOC, PIOD */
if (last && last->id == data->id)
last->next = data;
}
--- /dev/null
+++ b/arch/arm/mach-at91/ics1523.c
@@ -0,0 +1,208 @@
+/*
+ * arch/arm/mach-at91rm9200/ics1523.c
+ *
+ * Copyright (C) 2003 ATMEL Rousset
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+
+#include <asm/arch/ics1523.h>
+#include <asm/arch/at91_twi.h>
+#include <asm/arch/gpio.h>
+
+/* TWI Errors */
+#define AT91_TWI_ERROR (AT91_TWI_NACK | AT91_TWI_UNRE | AT91_TWI_OVRE)
+
+
+static void __iomem *twi_base;
+
+#define at91_twi_read(reg) __raw_readl(twi_base + (reg))
+#define at91_twi_write(reg, val) __raw_writel((val), twi_base + (reg))
+
+
+/* -----------------------------------------------------------------------------
+ * Initialization of TWI CLOCK
+ * ----------------------------------------------------------------------------- */
+
+static void at91_ics1523_SetTwiClock(unsigned int mck_khz)
+{
+ int sclock;
+
+ /* Here, CKDIV = 1 and CHDIV = CLDIV ==> CLDIV = CHDIV = 1/4*((Fmclk/FTWI) -6) */
+ sclock = (10*mck_khz / ICS_TRANSFER_RATE);
+ if (sclock % 10 >= 5)
+ sclock = (sclock /10) - 5;
+ else
+ sclock = (sclock /10)- 6;
+ sclock = (sclock + (4 - sclock %4)) >> 2; /* div 4 */
+
+ at91_twi_write(AT91_TWI_CWGR, 0x00010000 | sclock | (sclock << 8));
+}
+
+/* -----------------------------------------------------------------------------
+ * Read a byte with TWI Interface from the Clock Generator ICS1523
+ * ----------------------------------------------------------------------------- */
+
+static int at91_ics1523_ReadByte(unsigned char reg_address, unsigned char *data_in)
+{
+ int Status, nb_trial;
+
+ at91_twi_write(AT91_TWI_MMR, AT91_TWI_MREAD | AT91_TWI_IADRSZ_1 | ((ICS_ADDR << 16) & AT91_TWI_DADR));
+ at91_twi_write(AT91_TWI_IADR, reg_address);
+ at91_twi_write(AT91_TWI_CR, AT91_TWI_START | AT91_TWI_STOP);
+
+ /* Program temporizing period (300us) */
+ udelay(300);
+
+ /* Wait TXcomplete ... */
+ nb_trial = 0;
+ Status = at91_twi_read(AT91_TWI_SR);
+ while (!(Status & AT91_TWI_TXCOMP) && (nb_trial < 10)) {
+ nb_trial++;
+ Status = at91_twi_read(AT91_TWI_SR);
+ }
+
+ if (Status & AT91_TWI_TXCOMP) {
+ *data_in = (unsigned char) at91_twi_read(AT91_TWI_RHR);
+ return ICS1523_ACCESS_OK;
+ }
+ else
+ return ICS1523_ACCESS_ERROR;
+}
+
+/* -----------------------------------------------------------------------------
+ * Write a byte with TWI Interface to the Clock Generator ICS1523
+ * ----------------------------------------------------------------------------- */
+
+static int at91_ics1523_WriteByte(unsigned char reg_address, unsigned char data_out)
+{
+ int Status, nb_trial;
+
+ at91_twi_write(AT91_TWI_MMR, AT91_TWI_IADRSZ_1 | ((ICS_ADDR << 16) & AT91_TWI_DADR));
+ at91_twi_write(AT91_TWI_IADR, reg_address);
+ at91_twi_write(AT91_TWI_THR, data_out);
+ at91_twi_write(AT91_TWI_CR, AT91_TWI_START | AT91_TWI_STOP);
+
+ /* Program temporizing period (300us) */
+ udelay(300);
+
+ nb_trial = 0;
+ Status = at91_twi_read(AT91_TWI_SR);
+ while (!(Status & AT91_TWI_TXCOMP) && (nb_trial < 10)) {
+ nb_trial++;
+ if (Status & AT91_TWI_ERROR) {
+ /* If Underrun OR NACK - Start again */
+ at91_twi_write(AT91_TWI_CR, AT91_TWI_START | AT91_TWI_STOP);
+
+ /* Program temporizing period (300us) */
+ udelay(300);
+ }
+ Status = at91_twi_read(AT91_TWI_SR);
+ };
+
+ if (Status & AT91_TWI_TXCOMP)
+ return ICS1523_ACCESS_OK;
+ else
+ return ICS1523_ACCESS_ERROR;
+}
+
+/* -----------------------------------------------------------------------------
+ * Initialization of the Clock Generator ICS1523
+ * ----------------------------------------------------------------------------- */
+
+int at91_ics1523_init(void)
+{
+ int nb_trial;
+ int ack = ICS1523_ACCESS_OK;
+ unsigned int status = 0xffffffff;
+ struct clk *twi_clk;
+
+ /* Map in TWI peripheral */
+ twi_base = ioremap(AT91RM9200_BASE_TWI, SZ_16K);
+ if (!twi_base)
+ return -ENOMEM;
+
+ /* pins used for TWI interface */
+ at91_set_A_periph(AT91_PIN_PA25, 0); /* TWD */
+ at91_set_multi_drive(AT91_PIN_PA25, 1);
+ at91_set_A_periph(AT91_PIN_PA26, 0); /* TWCK */
+ at91_set_multi_drive(AT91_PIN_PA26, 1);
+
+ /* Enable the TWI clock */
+ twi_clk = clk_get(NULL, "twi_clk");
+ if (IS_ERR(twi_clk))
+ return ICS1523_ACCESS_ERROR;
+ clk_enable(twi_clk);
+
+ /* Disable interrupts */
+ at91_twi_write(AT91_TWI_IDR, -1);
+
+ /* Reset peripheral */
+ at91_twi_write(AT91_TWI_CR, AT91_TWI_SWRST);
+
+ /* Set Master mode */
+ at91_twi_write(AT91_TWI_CR, AT91_TWI_MSEN);
+
+ /* Set TWI Clock Waveform Generator Register */
+ at91_ics1523_SetTwiClock(60000); /* MCK in KHz = 60000 KHz */
+
+ /* ICS1523 Initialisation */
+ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_ICR, (unsigned char) 0);
+ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_OE, (unsigned char) (ICS_OEF | ICS_OET2 | ICS_OETCK));
+ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_OD, (unsigned char) (ICS_INSEL | 0x7F));
+ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_DPAO, (unsigned char) 0);
+
+ nb_trial = 0;
+ do {
+ nb_trial++;
+ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_ICR, (unsigned char) (ICS_ENDLS | ICS_ENPLS | ICS_PDEN /*| ICS_FUNCSEL*/));
+ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_LCR, (unsigned char) (ICS_PSD | ICS_PFD));
+ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_FD0, (unsigned char) 0x39) ; /* 0x7A */
+ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_FD1, (unsigned char) 0x00);
+ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_SWRST, (unsigned char) (ICS_PLLR));
+
+ /* Program 1ms temporizing period */
+ mdelay(1);
+
+ at91_ics1523_ReadByte ((unsigned char) ICS_SR, (char *)&status);
+ } while (!((unsigned int) status & (unsigned int) ICS_PLLLOCK) && (nb_trial < 10));
+
+ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_DPAC, (unsigned char) 0x03) ; /* 0x01 */
+ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_SWRST, (unsigned char) (ICS_DPAR));
+
+ /* Program 1ms temporizing period */
+ mdelay(1);
+
+ ack |= at91_ics1523_WriteByte ((unsigned char) ICS_DPAO, (unsigned char) 0x00);
+
+ /* Program 1ms temporizing period */
+ mdelay(1);
+
+ /* All done - cleanup */
+ iounmap(twi_base);
+ clk_disable(twi_clk);
+ clk_put(twi_clk);
+
+ return ack;
+}
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -26,12 +26,144 @@
#include <asm/mach-types.h>
#include <asm/arch/at91_pmc.h>
-#include <asm/arch/at91rm9200_mc.h>
#include <asm/arch/gpio.h>
#include <asm/arch/cpu.h>
#include "generic.h"
+#ifdef CONFIG_ARCH_AT91RM9200
+#include <asm/arch/at91rm9200_mc.h>
+
+/*
+ * The AT91RM9200 goes into self-refresh mode with this command, and will
+ * terminate self-refresh automatically on the next SDRAM access.
+ */
+#define sdram_selfrefresh_enable() at91_sys_write(AT91_SDRAMC_SRR, 1)
+#define sdram_selfrefresh_disable() do {} while (0)
+
+#elif defined(CONFIG_ARCH_AT91CAP9)
+#include <asm/arch/at91cap9_ddrsdr.h>
+
+static u32 saved_lpr;
+
+static inline void sdram_selfrefresh_enable(void)
+{
+ u32 lpr;
+
+ saved_lpr = at91_sys_read(AT91_DDRSDRC_LPR);
+
+ lpr = saved_lpr & ~AT91_DDRSDRC_LPCB;
+ at91_sys_write(AT91_DDRSDRC_LPR, lpr | AT91_DDRSDRC_LPCB_SELF_REFRESH);
+}
+
+#define sdram_selfrefresh_disable() at91_sys_write(AT91_DDRSDRC_LPR, saved_lpr)
+
+#else
+#include <asm/arch/at91sam9_sdramc.h>
+
+#ifdef CONFIG_ARCH_AT91SAM9263
+/*
+ * FIXME either or both the SDRAM controllers (EB0, EB1) might be in use;
+ * handle those cases both here and in the Suspend-To-RAM support.
+ */
+#define AT91_SDRAMC AT91_SDRAMC0
+#warning Assuming EB1 SDRAM controller is *NOT* used
+#endif
+
+static u32 saved_lpr;
+
+static inline void sdram_selfrefresh_enable(void)
+{
+ u32 lpr;
+
+ saved_lpr = at91_sys_read(AT91_SDRAMC_LPR);
+
+ lpr = saved_lpr & ~AT91_SDRAMC_LPCB;
+ at91_sys_write(AT91_SDRAMC_LPR, lpr | AT91_SDRAMC_LPCB_SELF_REFRESH);
+}
+
+#define sdram_selfrefresh_disable() at91_sys_write(AT91_SDRAMC_LPR, saved_lpr)
+
+/*
+ * FIXME: The AT91SAM9263 has a second EBI controller which may have
+ * additional SDRAM. pm_slowclock.S will require a similar fix.
+ */
+
+#endif
+
+
+/*
+ * Show the reason for the previous system reset.
+ */
+#if defined(AT91_SHDWC)
+
+#include <asm/arch/at91_rstc.h>
+#include <asm/arch/at91_shdwc.h>
+
+static void __init show_reset_status(void)
+{
+ static char reset[] __initdata = "reset";
+
+ static char general[] __initdata = "general";
+ static char wakeup[] __initdata = "wakeup";
+ static char watchdog[] __initdata = "watchdog";
+ static char software[] __initdata = "software";
+ static char user[] __initdata = "user";
+ static char unknown[] __initdata = "unknown";
+
+ static char signal[] __initdata = "signal";
+ static char rtc[] __initdata = "rtc";
+ static char rtt[] __initdata = "rtt";
+ static char restore[] __initdata = "power-restored";
+
+ char *reason, *r2 = reset;
+ u32 reset_type, wake_type;
+
+ reset_type = at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_RSTTYP;
+ wake_type = at91_sys_read(AT91_SHDW_SR);
+
+ switch (reset_type) {
+ case AT91_RSTC_RSTTYP_GENERAL:
+ reason = general;
+ break;
+ case AT91_RSTC_RSTTYP_WAKEUP:
+ /* board-specific code enabled the wakeup sources */
+ reason = wakeup;
+
+ /* "wakeup signal" */
+ if (wake_type & AT91_SHDW_WAKEUP0)
+ r2 = signal;
+ else {
+ r2 = reason;
+ if (wake_type & AT91_SHDW_RTTWK) /* rtt wakeup */
+ reason = rtt;
+ else if (wake_type & AT91_SHDW_RTCWK) /* rtc wakeup */
+ reason = rtc;
+ else if (wake_type == 0) /* power-restored wakeup */
+ reason = restore;
+ else /* unknown wakeup */
+ reason = unknown;
+ }
+ break;
+ case AT91_RSTC_RSTTYP_WATCHDOG:
+ reason = watchdog;
+ break;
+ case AT91_RSTC_RSTTYP_SOFTWARE:
+ reason = software;
+ break;
+ case AT91_RSTC_RSTTYP_USER:
+ reason = user;
+ break;
+ default:
+ reason = unknown;
+ break;
+ }
+ pr_info("AT91: Starting after %s %s\n", reason, r2);
+}
+#else
+static void __init show_reset_status(void) {}
+#endif
+
static int at91_pm_valid_state(suspend_state_t state)
{
@@ -62,6 +194,7 @@ static int at91_pm_begin(suspend_state_t
* Verify that all the clocks are correct before entering
* slow-clock mode.
*/
+#warning "This should probably be moved to clocks.c"
static int at91_pm_verify_clocks(void)
{
unsigned long scsr;
@@ -107,24 +240,24 @@ static int at91_pm_verify_clocks(void)
}
/*
- * Call this from platform driver suspend() to see how deeply to suspend.
+ * This is called from clk_must_disable(), to see how deeply to suspend.
* For example, some controllers (like OHCI) need one of the PLL clocks
* in order to act as a wakeup source, and those are not available when
* going into slow clock mode.
- *
- * REVISIT: generalize as clk_will_be_available(clk)? Other platforms have
- * the very same problem (but not using at91 main_clk), and it'd be better
- * to add one generic API rather than lots of platform-specific ones.
*/
int at91_suspend_entering_slow_clock(void)
{
return (target_state == PM_SUSPEND_MEM);
}
-EXPORT_SYMBOL(at91_suspend_entering_slow_clock);
static void (*slow_clock)(void);
+#ifdef CONFIG_AT91_SLOW_CLOCK
+extern void at91_slow_clock(void);
+extern u32 at91_slow_clock_sz;
+#endif
+
static int at91_pm_enter(suspend_state_t state)
{
@@ -158,11 +291,14 @@ static int at91_pm_enter(suspend_state_t
* turning off the main oscillator; reverse on wakeup.
*/
if (slow_clock) {
+#ifdef CONFIG_AT91_SLOW_CLOCK
+ /* copy slow_clock handler to SRAM, and call it */
+ memcpy(slow_clock, at91_slow_clock, at91_slow_clock_sz);
+#endif
slow_clock();
break;
} else {
- /* DEVELOPMENT ONLY */
- pr_info("AT91: PM - no slow clock mode yet ...\n");
+ pr_info("AT91: PM - no slow clock mode enabled ...\n");
/* FALLTHROUGH leaving master clock alone */
}
@@ -175,13 +311,15 @@ static int at91_pm_enter(suspend_state_t
case PM_SUSPEND_STANDBY:
/*
* NOTE: the Wait-for-Interrupt instruction needs to be
- * in icache so the SDRAM stays in self-refresh mode until
- * the wakeup IRQ occurs.
+ * in icache so no SDRAM accesses are needed until the
+ * wakeup IRQ occurs and self-refresh is terminated.
*/
asm("b 1f; .align 5; 1:");
asm("mcr p15, 0, r0, c7, c10, 4"); /* drain write buffer */
- at91_sys_write(AT91_SDRAMC_SRR, 1); /* self-refresh mode */
- /* fall though to next state */
+ sdram_selfrefresh_enable();
+ asm("mcr p15, 0, r0, c7, c0, 4"); /* wait for interrupt */
+ sdram_selfrefresh_disable();
+ break;
case PM_SUSPEND_ON:
asm("mcr p15, 0, r0, c7, c0, 4"); /* wait for interrupt */
@@ -196,6 +334,7 @@ static int at91_pm_enter(suspend_state_t
at91_sys_read(AT91_AIC_IPR) & at91_sys_read(AT91_AIC_IMR));
error:
+ sdram_selfrefresh_disable();
target_state = PM_SUSPEND_ON;
at91_irq_resume();
at91_gpio_resume();
@@ -220,21 +359,20 @@ static struct platform_suspend_ops at91_
static int __init at91_pm_init(void)
{
- printk("AT91: Power Management\n");
-
-#ifdef CONFIG_AT91_PM_SLOW_CLOCK
- /* REVISIT allocations of SRAM should be dynamically managed.
- * FIQ handlers and other components will want SRAM/TCM too...
- */
- slow_clock = (void *) (AT91_VA_BASE_SRAM + (3 * SZ_4K));
- memcpy(slow_clock, at91rm9200_slow_clock, at91rm9200_slow_clock_sz);
+#ifdef CONFIG_AT91_SLOW_CLOCK
+ slow_clock = (void *) (AT91_IO_VIRT_BASE - at91_slow_clock_sz);
#endif
- /* Disable SDRAM low-power mode. Cannot be used with self-refresh. */
+ pr_info("AT91: Power Management%s\n", (slow_clock ? " (with slow clock mode)" : ""));
+
+#ifdef CONFIG_ARCH_AT91RM9200
+ /* AT91RM9200 SDRAM low-power mode cannot be used with self-refresh. */
at91_sys_write(AT91_SDRAMC_LPR, 0);
+#endif
suspend_set_ops(&at91_pm_ops);
+ show_reset_status();
return 0;
}
arch_initcall(at91_pm_init);
--- /dev/null
+++ b/arch/arm/mach-at91/pm_slowclock.S
@@ -0,0 +1,283 @@
+/*
+ * arch/arm/mach-at91/pm_slow_clock.S
+ *
+ * Copyright (C) 2006 Savin Zlobec
+ *
+ * AT91SAM9 support:
+ * Copyright (C) 2007 Anti Sullin <anti.sullin@artecdesign.ee
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/linkage.h>
+#include <asm/hardware.h>
+#include <asm/arch/at91_pmc.h>
+
+#ifdef CONFIG_ARCH_AT91RM9200
+#include <asm/arch/at91rm9200_mc.h>
+#elif defined(CONFIG_ARCH_AT91CAP9)
+#include <asm/arch/at91cap9_ddrsdr.h>
+#else
+#include <asm/arch/at91sam9_sdramc.h>
+#endif
+
+
+#ifdef CONFIG_ARCH_AT91SAM9263
+/*
+ * FIXME either or both the SDRAM controllers (EB0, EB1) might be in use;
+ * handle those cases both here and in the Suspend-To-RAM support.
+ */
+#define AT91_SDRAMC AT91_SDRAMC0
+#warning Assuming EB1 SDRAM controller is *NOT* used
+#endif
+
+/*
+ * When SLOWDOWN_MASTER_CLOCK is defined we will also slow down the Master
+ * clock during suspend by adjusting its prescalar and divisor.
+ * NOTE: This hasn't been shown to be stable on SAM9s; and on the RM9200 there
+ * are errata regarding adjusting the prescalar and divisor.
+ */
+#undef SLOWDOWN_MASTER_CLOCK
+
+#define MCKRDY_TIMEOUT 1000
+#define MOSCRDY_TIMEOUT 1000
+#define PLLALOCK_TIMEOUT 1000
+#define PLLBLOCK_TIMEOUT 1000
+
+
+/*
+ * Wait until master clock is ready (after switching master clock source)
+ */
+ .macro wait_mckrdy
+ mov r4, #MCKRDY_TIMEOUT
+1: sub r4, r4, #1
+ cmp r4, #0
+ beq 2f
+ ldr r3, [r1, #(AT91_PMC_SR - AT91_PMC)]
+ tst r3, #AT91_PMC_MCKRDY
+ beq 1b
+2:
+ .endm
+
+/*
+ * Wait until master oscillator has stabilized.
+ */
+ .macro wait_moscrdy
+ mov r4, #MOSCRDY_TIMEOUT
+1: sub r4, r4, #1
+ cmp r4, #0
+ beq 2f
+ ldr r3, [r1, #(AT91_PMC_SR - AT91_PMC)]
+ tst r3, #AT91_PMC_MOSCS
+ beq 1b
+2:
+ .endm
+
+/*
+ * Wait until PLLA has locked.
+ */
+ .macro wait_pllalock
+ mov r4, #PLLALOCK_TIMEOUT
+1: sub r4, r4, #1
+ cmp r4, #0
+ beq 2f
+ ldr r3, [r1, #(AT91_PMC_SR - AT91_PMC)]
+ tst r3, #AT91_PMC_LOCKA
+ beq 1b
+2:
+ .endm
+
+/*
+ * Wait until PLLB has locked.
+ */
+ .macro wait_pllblock
+ mov r4, #PLLBLOCK_TIMEOUT
+1: sub r4, r4, #1
+ cmp r4, #0
+ beq 2f
+ ldr r3, [r1, #(AT91_PMC_SR - AT91_PMC)]
+ tst r3, #AT91_PMC_LOCKB
+ beq 1b
+2:
+ .endm
+
+ .text
+
+ENTRY(at91_slow_clock)
+ /* Save registers on stack */
+ stmfd sp!, {r0 - r12, lr}
+
+ /*
+ * Register usage:
+ * R1 = Base address of AT91_PMC
+ * R2 = Base address of AT91_SDRAMC (or AT91_SYS on AT91RM9200)
+ * R3 = temporary register
+ * R4 = temporary register
+ */
+ ldr r1, .at91_va_base_pmc
+ ldr r2, .at91_va_base_sdramc
+
+ /* Drain write buffer */
+ mcr p15, 0, r0, c7, c10, 4
+
+#ifdef CONFIG_ARCH_AT91RM9200
+ /* Put SDRAM in self-refresh mode */
+ mov r3, #1
+ str r3, [r2, #AT91_SDRAMC_SRR]
+#elif defined(CONFIG_ARCH_AT91CAP9)
+ /* Enable SDRAM self-refresh mode */
+ ldr r3, [r2, #AT91_DDRSDRC_LPR - AT91_DDRSDRC]
+ str r3, .saved_sam9_lpr
+
+ mov r3, #AT91_DDRSDRC_LPCB_SELF_REFRESH
+ str r3, [r2, #AT91_DDRSDRC_LPR - AT91_DDRSDRC]
+#else
+ /* Enable SDRAM self-refresh mode */
+ ldr r3, [r2, #AT91_SDRAMC_LPR - AT91_SDRAMC]
+ str r3, .saved_sam9_lpr
+
+ mov r3, #AT91_SDRAMC_LPCB_SELF_REFRESH
+ str r3, [r2, #AT91_SDRAMC_LPR - AT91_SDRAMC]
+#endif
+
+ /* Save Master clock setting */
+ ldr r3, [r1, #(AT91_PMC_MCKR - AT91_PMC)]
+ str r3, .saved_mckr
+
+ /*
+ * Set the Master clock source to slow clock
+ */
+ bic r3, r3, #AT91_PMC_CSS
+ str r3, [r1, #(AT91_PMC_MCKR - AT91_PMC)]
+
+ wait_mckrdy
+
+#ifdef SLOWDOWN_MASTER_CLOCK
+ /*
+ * Set the Master Clock PRES and MDIV fields.
+ *
+ * See AT91RM9200 errata #27 and #28 for details.
+ */
+ mov r3, #0
+ str r3, [r1, #(AT91_PMC_MCKR - AT91_PMC)]
+
+ wait_mckrdy
+#endif
+
+ /* Save PLLA setting and disable it */
+ ldr r3, [r1, #(AT91_CKGR_PLLAR - AT91_PMC)]
+ str r3, .saved_pllar
+
+ mov r3, #AT91_PMC_PLLCOUNT
+ orr r3, r3, #(1 << 29) /* bit 29 always set */
+ str r3, [r1, #(AT91_CKGR_PLLAR - AT91_PMC)]
+
+ wait_pllalock
+
+ /* Save PLLB setting and disable it */
+ ldr r3, [r1, #(AT91_CKGR_PLLBR - AT91_PMC)]
+ str r3, .saved_pllbr
+
+ mov r3, #AT91_PMC_PLLCOUNT
+ str r3, [r1, #(AT91_CKGR_PLLBR - AT91_PMC)]
+
+ wait_pllblock
+
+ /* Turn off the main oscillator */
+ ldr r3, [r1, #(AT91_CKGR_MOR - AT91_PMC)]
+ bic r3, r3, #AT91_PMC_MOSCEN
+ str r3, [r1, #(AT91_CKGR_MOR - AT91_PMC)]
+
+ /* Wait for interrupt */
+ mcr p15, 0, r0, c7, c0, 4
+
+ /* Turn on the main oscillator */
+ ldr r3, [r1, #(AT91_CKGR_MOR - AT91_PMC)]
+ orr r3, r3, #AT91_PMC_MOSCEN
+ str r3, [r1, #(AT91_CKGR_MOR - AT91_PMC)]
+
+ wait_moscrdy
+
+ /* Restore PLLB setting */
+ ldr r3, .saved_pllbr
+ str r3, [r1, #(AT91_CKGR_PLLBR - AT91_PMC)]
+
+ wait_pllblock
+
+ /* Restore PLLA setting */
+ ldr r3, .saved_pllar
+ str r3, [r1, #(AT91_CKGR_PLLAR - AT91_PMC)]
+
+ wait_pllalock
+
+#ifdef SLOWDOWN_MASTER_CLOCK
+ /*
+ * First set PRES if it was not 0,
+ * than set CSS and MDIV fields.
+ *
+ * See AT91RM9200 errata #27 and #28 for details.
+ */
+ ldr r3, .saved_mckr
+ tst r3, #AT91_PMC_PRES
+ beq 2f
+ and r3, r3, #AT91_PMC_PRES
+ str r3, [r1, #(AT91_PMC_MCKR - AT91_PMC)]
+
+ wait_mckrdy
+#endif
+
+ /*
+ * Restore master clock setting
+ */
+2: ldr r3, .saved_mckr
+ str r3, [r1, #(AT91_PMC_MCKR - AT91_PMC)]
+
+ wait_mckrdy
+
+#ifdef CONFIG_ARCH_AT91RM9200
+ /* Do nothing - self-refresh is automatically disabled. */
+#elif defined(CONFIG_ARCH_AT91CAP9)
+ /* Restore LPR on AT91CAP9 */
+ ldr r3, .saved_sam9_lpr
+ str r3, [r2, #AT91_DDRSDRC_LPR - AT91_DDRSDRC]
+#else
+ /* Restore LPR on AT91SAM9 */
+ ldr r3, .saved_sam9_lpr
+ str r3, [r2, #AT91_SDRAMC_LPR - AT91_SDRAMC]
+#endif
+
+ /* Restore registers, and return */
+ ldmfd sp!, {r0 - r12, pc}
+
+
+.saved_mckr:
+ .word 0
+
+.saved_pllar:
+ .word 0
+
+.saved_pllbr:
+ .word 0
+
+.saved_sam9_lpr:
+ .word 0
+
+.at91_va_base_pmc:
+ .word AT91_VA_BASE_SYS + AT91_PMC
+
+#ifdef CONFIG_ARCH_AT91RM9200
+.at91_va_base_sdramc:
+ .word AT91_VA_BASE_SYS
+#elif defined(CONFIG_ARCH_AT91CAP9)
+.at91_va_base_sdramc:
+ .word AT91_VA_BASE_SYS + AT91_DDRSDRC
+#else
+.at91_va_base_sdramc:
+ .word AT91_VA_BASE_SYS + AT91_SDRAMC
+#endif
+
+ENTRY(at91_slow_clock_sz)
+ .word .-at91_slow_clock
--- a/arch/arm/mach-ks8695/Makefile
+++ b/arch/arm/mach-ks8695/Makefile
@@ -11,5 +11,8 @@ obj- :=
# PCI support is optional
obj-$(CONFIG_PCI) += pci.o
+# LEDs
+obj-$(CONFIG_LEDS) += leds.o
+
# Board-specific support
obj-$(CONFIG_MACH_KS8695) += board-micrel.o
--- a/arch/arm/mach-ks8695/devices.c
+++ b/arch/arm/mach-ks8695/devices.c
@@ -176,6 +176,27 @@ static void __init ks8695_add_device_wat
#endif
+/* --------------------------------------------------------------------
+ * LEDs
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_LEDS)
+short ks8695_leds_cpu = -1;
+short ks8695_leds_timer = -1;
+
+void __init ks8695_init_leds(u8 cpu_led, u8 timer_led)
+{
+ /* Enable GPIO to access the LEDs */
+ gpio_direction_output(cpu_led, 1);
+ gpio_direction_output(timer_led, 1);
+
+ ks8695_leds_cpu = cpu_led;
+ ks8695_leds_timer = timer_led;
+}
+#else
+void __init ks8695_init_leds(u8 cpu_led, u8 timer_led) {}
+#endif
+
/* -------------------------------------------------------------------- */
/*
--- a/arch/arm/mach-ks8695/gpio.c
+++ b/arch/arm/mach-ks8695/gpio.c
@@ -136,9 +136,9 @@ int __init_or_module gpio_direction_outp
/* set line state */
x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPD);
if (state)
- x |= (1 << pin);
+ x |= IOPD_(pin);
else
- x &= ~(1 << pin);
+ x &= ~IOPD_(pin);
__raw_writel(x, KS8695_GPIO_VA + KS8695_IOPD);
/* set pin as output */
@@ -168,9 +168,9 @@ void gpio_set_value(unsigned int pin, un
/* set output line state */
x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPD);
if (state)
- x |= (1 << pin);
+ x |= IOPD_(pin);
else
- x &= ~(1 << pin);
+ x &= ~IOPD_(pin);
__raw_writel(x, KS8695_GPIO_VA + KS8695_IOPD);
local_irq_restore(flags);
@@ -189,7 +189,7 @@ int gpio_get_value(unsigned int pin)
return -EINVAL;
x = __raw_readl(KS8695_GPIO_VA + KS8695_IOPD);
- return (x & (1 << pin)) != 0;
+ return (x & IOPD_(pin)) != 0;
}
EXPORT_SYMBOL(gpio_get_value);
--- /dev/null
+++ b/arch/arm/mach-ks8695/leds.c
@@ -0,0 +1,94 @@
+/*
+ * LED driver for KS8695-based boards.
+ *
+ * Copyright (C) Andrew Victor
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+
+#include <asm/mach-types.h>
+#include <asm/leds.h>
+#include <asm/arch/devices.h>
+#include <asm/arch/gpio.h>
+
+
+static inline void ks8695_led_on(unsigned int led)
+{
+ gpio_set_value(led, 0);
+}
+
+static inline void ks8695_led_off(unsigned int led)
+{
+ gpio_set_value(led, 1);
+}
+
+static inline void ks8695_led_toggle(unsigned int led)
+{
+ unsigned long is_off = gpio_get_value(led);
+ if (is_off)
+ ks8695_led_on(led);
+ else
+ ks8695_led_off(led);
+}
+
+
+/*
+ * Handle LED events.
+ */
+static void ks8695_leds_event(led_event_t evt)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+
+ switch(evt) {
+ case led_start: /* System startup */
+ ks8695_led_on(ks8695_leds_cpu);
+ break;
+
+ case led_stop: /* System stop / suspend */
+ ks8695_led_off(ks8695_leds_cpu);
+ break;
+
+#ifdef CONFIG_LEDS_TIMER
+ case led_timer: /* Every 50 timer ticks */
+ ks8695_led_toggle(ks8695_leds_timer);
+ break;
+#endif
+
+#ifdef CONFIG_LEDS_CPU
+ case led_idle_start: /* Entering idle state */
+ ks8695_led_off(ks8695_leds_cpu);
+ break;
+
+ case led_idle_end: /* Exit idle state */
+ ks8695_led_on(ks8695_leds_cpu);
+ break;
+#endif
+
+ default:
+ break;
+ }
+
+ local_irq_restore(flags);
+}
+
+
+static int __init leds_init(void)
+{
+ if ((ks8695_leds_timer == -1) || (ks8695_leds_cpu == -1))
+ return -ENODEV;
+
+ leds_event = ks8695_leds_event;
+
+ leds_event(led_start);
+ return 0;
+}
+
+__initcall(leds_init);
--- a/arch/arm/mach-ks8695/pci.c
+++ b/arch/arm/mach-ks8695/pci.c
@@ -141,7 +141,7 @@ static struct pci_ops ks8695_pci_ops = {
.write = ks8695_pci_writeconfig,
};
-static struct pci_bus *ks8695_pci_scan_bus(int nr, struct pci_sys_data *sys)
+static struct pci_bus* __init ks8695_pci_scan_bus(int nr, struct pci_sys_data *sys)
{
return pci_scan_bus(sys->busnr, &ks8695_pci_ops, sys);
}
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -1056,5 +1056,21 @@ config DEVPORT
source "drivers/s390/char/Kconfig"
+config AT91_SPI
+ bool "SPI driver (legacy) for AT91RM9200 processors"
+ depends on ARCH_AT91RM9200
+ default y
+ help
+ The SPI driver gives access to this serial bus on the AT91RM9200
+ processor.
+
+config AT91_SPIDEV
+ bool "SPI device interface (legacy) for AT91RM9200 processors"
+ depends on ARCH_AT91RM9200 && AT91_SPI
+ default n
+ help
+ The SPI driver gives user mode access to this serial
+ bus on the AT91RM9200 processor.
+
endmenu
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -98,6 +98,8 @@ obj-$(CONFIG_GPIO_DEVICE) += gpio_dev.o
obj-$(CONFIG_GPIO_VR41XX) += vr41xx_giu.o
obj-$(CONFIG_GPIO_TB0219) += tb0219.o
obj-$(CONFIG_TELCLOCK) += tlclk.o
+obj-$(CONFIG_AT91_SPI) += at91_spi.o
+obj-$(CONFIG_AT91_SPIDEV) += at91_spidev.o
obj-$(CONFIG_MWAVE) += mwave/
obj-$(CONFIG_AGP) += agp/
--- /dev/null
+++ b/drivers/char/at91_spi.c
@@ -0,0 +1,337 @@
+/*
+ * Serial Peripheral Interface (SPI) driver for the Atmel AT91RM9200 (Thunder)
+ *
+ * Copyright (C) SAN People (Pty) Ltd
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/init.h>
+#include <linux/dma-mapping.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/completion.h>
+#include <linux/interrupt.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <linux/atmel_pdc.h>
+#include <asm/io.h>
+#include <asm/semaphore.h>
+
+#include <asm/arch/at91_spi.h>
+#include <asm/arch/board.h>
+#include <asm/arch/spi.h>
+
+#undef DEBUG_SPI
+
+static struct spi_local spi_dev[NR_SPI_DEVICES]; /* state of the SPI devices */
+static int spi_enabled = 0;
+static struct semaphore spi_lock; /* protect access to SPI bus */
+static int current_device = -1; /* currently selected SPI device */
+static struct clk *spi_clk; /* SPI clock */
+static void __iomem *spi_base; /* SPI peripheral base-address */
+
+DECLARE_COMPLETION(transfer_complete);
+
+
+#define at91_spi_read(reg) __raw_readl(spi_base + (reg))
+#define at91_spi_write(reg, val) __raw_writel((val), spi_base + (reg))
+
+
+/* ......................................................................... */
+
+/*
+ * Access and enable the SPI bus.
+ * This MUST be called before any transfers are performed.
+ */
+void spi_access_bus(short device)
+{
+ /* Ensure that requested device is valid */
+ if ((device < 0) || (device >= NR_SPI_DEVICES))
+ panic("at91_spi: spi_access_bus called with invalid device");
+
+ if (spi_enabled == 0) {
+ clk_enable(spi_clk); /* Enable Peripheral clock */
+ at91_spi_write(AT91_SPI_CR, AT91_SPI_SPIEN); /* Enable SPI */
+#ifdef DEBUG_SPI
+ printk("SPI on\n");
+#endif
+ }
+ spi_enabled++;
+
+ /* Lock the SPI bus */
+ down(&spi_lock);
+ current_device = device;
+
+ /* Configure SPI bus for device */
+ at91_spi_write(AT91_SPI_MR, AT91_SPI_MSTR | AT91_SPI_MODFDIS | (spi_dev[device].pcs << 16));
+}
+
+/*
+ * Relinquish control of the SPI bus.
+ */
+void spi_release_bus(short device)
+{
+ if (device != current_device)
+ panic("at91_spi: spi_release called with invalid device");
+
+ /* Release the SPI bus */
+ current_device = -1;
+ up(&spi_lock);
+
+ spi_enabled--;
+ if (spi_enabled == 0) {
+ at91_spi_write(AT91_SPI_CR, AT91_SPI_SPIDIS); /* Disable SPI */
+ clk_disable(spi_clk); /* Disable Peripheral clock */
+#ifdef DEBUG_SPI
+ printk("SPI off\n");
+#endif
+ }
+}
+
+/*
+ * Perform a data transfer over the SPI bus
+ */
+int spi_transfer(struct spi_transfer_list* list)
+{
+ struct spi_local *device = (struct spi_local *) &spi_dev[current_device];
+ int tx_size;
+
+ if (!list)
+ panic("at91_spi: spi_transfer called with NULL transfer list");
+ if (current_device == -1)
+ panic("at91_spi: spi_transfer called without acquiring bus");
+
+#ifdef DEBUG_SPI
+ printk("SPI transfer start [%i]\n", list->nr_transfers);
+#endif
+
+ /* If we are in 16-bit mode, we need to modify what we pass to the PDC */
+ tx_size = (at91_spi_read(AT91_SPI_CSR(current_device)) & AT91_SPI_BITS_16) ? 2 : 1;
+
+ /* Store transfer list */
+ device->xfers = list;
+ list->curr = 0;
+
+ /* Assume there must be at least one transfer */
+ device->tx = dma_map_single(NULL, list->tx[0], list->txlen[0], DMA_TO_DEVICE);
+ device->rx = dma_map_single(NULL, list->rx[0], list->rxlen[0], DMA_FROM_DEVICE);
+
+ /* Program PDC registers */
+ at91_spi_write(ATMEL_PDC_TPR, device->tx);
+ at91_spi_write(ATMEL_PDC_RPR, device->rx);
+ at91_spi_write(ATMEL_PDC_TCR, list->txlen[0] / tx_size);
+ at91_spi_write(ATMEL_PDC_RCR, list->rxlen[0] / tx_size);
+
+ /* Is there a second transfer? */
+ if (list->nr_transfers > 1) {
+ device->txnext = dma_map_single(NULL, list->tx[1], list->txlen[1], DMA_TO_DEVICE);
+ device->rxnext = dma_map_single(NULL, list->rx[1], list->rxlen[1], DMA_FROM_DEVICE);
+
+ /* Program Next PDC registers */
+ at91_spi_write(ATMEL_PDC_TNPR, device->txnext);
+ at91_spi_write(ATMEL_PDC_RNPR, device->rxnext);
+ at91_spi_write(ATMEL_PDC_TNCR, list->txlen[1] / tx_size);
+ at91_spi_write(ATMEL_PDC_RNCR, list->rxlen[1] / tx_size);
+ }
+ else {
+ device->txnext = 0;
+ device->rxnext = 0;
+ at91_spi_write(ATMEL_PDC_TNCR, 0);
+ at91_spi_write(ATMEL_PDC_RNCR, 0);
+ }
+
+ // TODO: If we are doing consecutive transfers (at high speed, or
+ // small buffers), then it might be worth modifying the 'Delay between
+ // Consecutive Transfers' in the CSR registers.
+ // This is an issue if we cannot chain the next buffer fast enough
+ // in the interrupt handler.
+
+ /* Enable transmitter and receiver */
+ at91_spi_write(ATMEL_PDC_PTCR, ATMEL_PDC_RXTEN | ATMEL_PDC_TXTEN);
+
+ at91_spi_write(AT91_SPI_IER, AT91_SPI_ENDRX); /* enable buffer complete interrupt */
+ wait_for_completion(&transfer_complete);
+
+#ifdef DEBUG_SPI
+ printk("SPI transfer end\n");
+#endif
+
+ return 0;
+}
+
+/* ......................................................................... */
+
+/*
+ * Handle interrupts from the SPI controller.
+ */
+static irqreturn_t at91spi_interrupt(int irq, void *dev_id)
+{
+ unsigned int status;
+ struct spi_local *device = (struct spi_local *) &spi_dev[current_device];
+ struct spi_transfer_list *list = device->xfers;
+
+#ifdef DEBUG_SPI
+ printk("SPI interrupt %i\n", current_device);
+#endif
+
+ if (!list)
+ panic("at91_spi: spi_interrupt with a NULL transfer list");
+
+ status = at91_spi_read(AT91_SPI_SR) & at91_spi_read(AT91_SPI_IMR); /* read status */
+
+ dma_unmap_single(NULL, device->tx, list->txlen[list->curr], DMA_TO_DEVICE);
+ dma_unmap_single(NULL, device->rx, list->rxlen[list->curr], DMA_FROM_DEVICE);
+
+ device->tx = device->txnext; /* move next transfer to current transfer */
+ device->rx = device->rxnext;
+
+ list->curr = list->curr + 1;
+ if (list->curr == list->nr_transfers) { /* all transfers complete */
+ at91_spi_write(AT91_SPI_IDR, AT91_SPI_ENDRX); /* disable interrupt */
+
+ /* Disable transmitter and receiver */
+ at91_spi_write(ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS);
+
+ device->xfers = NULL;
+ complete(&transfer_complete);
+ }
+ else if (list->curr+1 == list->nr_transfers) { /* no more next transfers */
+ device->txnext = 0;
+ device->rxnext = 0;
+ at91_spi_write(ATMEL_PDC_TNCR, 0);
+ at91_spi_write(ATMEL_PDC_RNCR, 0);
+ }
+ else {
+ int i = (list->curr)+1;
+
+ /* If we are in 16-bit mode, we need to modify what we pass to the PDC */
+ int tx_size = (at91_spi_read(AT91_SPI_CSR(current_device)) & AT91_SPI_BITS_16) ? 2 : 1;
+
+ device->txnext = dma_map_single(NULL, list->tx[i], list->txlen[i], DMA_TO_DEVICE);
+ device->rxnext = dma_map_single(NULL, list->rx[i], list->rxlen[i], DMA_FROM_DEVICE);
+ at91_spi_write(ATMEL_PDC_TNPR, device->txnext);
+ at91_spi_write(ATMEL_PDC_RNPR, device->rxnext);
+ at91_spi_write(ATMEL_PDC_TNCR, list->txlen[i] / tx_size);
+ at91_spi_write(ATMEL_PDC_RNCR, list->rxlen[i] / tx_size);
+ }
+ return IRQ_HANDLED;
+}
+
+/* ......................................................................... */
+
+/*
+ * Initialize the SPI controller
+ */
+static int __init at91spi_probe(struct platform_device *pdev)
+{
+ int i;
+ unsigned long scbr;
+ struct resource *res;
+
+ init_MUTEX(&spi_lock);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENXIO;
+
+ if (!request_mem_region(res->start, res->end - res->start + 1, "at91_spi"))
+ return -EBUSY;
+
+ spi_base = ioremap(res->start, res->end - res->start + 1);
+ if (!spi_base) {
+ release_mem_region(res->start, res->end - res->start + 1);
+ return -ENOMEM;
+ }
+
+ spi_clk = clk_get(NULL, "spi_clk");
+ if (IS_ERR(spi_clk)) {
+ printk(KERN_ERR "at91_spi: no clock defined\n");
+ iounmap(spi_base);
+ release_mem_region(res->start, res->end - res->start + 1);
+ return -ENODEV;
+ }
+
+ at91_spi_write(AT91_SPI_CR, AT91_SPI_SWRST); /* software reset of SPI controller */
+
+ /*
+ * Calculate the correct SPI baud-rate divisor.
+ */
+ scbr = clk_get_rate(spi_clk) / (2 * DEFAULT_SPI_CLK);
+ scbr = scbr + 1; /* round up */
+
+ printk(KERN_INFO "at91_spi: Baud rate set to %ld\n", clk_get_rate(spi_clk) / (2 * scbr));
+
+ /* Set Chip Select registers to good defaults */
+ for (i = 0; i < 4; i++) {
+ at91_spi_write(AT91_SPI_CSR(i), AT91_SPI_CPOL | AT91_SPI_BITS_8 | (16 << 16) | (scbr << 8));
+ }
+
+ at91_spi_write(ATMEL_PDC_PTCR, ATMEL_PDC_RXTDIS | ATMEL_PDC_TXTDIS);
+
+ memset(&spi_dev, 0, sizeof(spi_dev));
+ spi_dev[0].pcs = 0xE;
+ spi_dev[1].pcs = 0xD;
+ spi_dev[2].pcs = 0xB;
+ spi_dev[3].pcs = 0x7;
+
+ if (request_irq(AT91RM9200_ID_SPI, at91spi_interrupt, 0, "spi", NULL)) {
+ clk_put(spi_clk);
+ iounmap(spi_base);
+ release_mem_region(res->start, res->end - res->start + 1);
+ return -EBUSY;
+ }
+
+ at91_spi_write(AT91_SPI_CR, AT91_SPI_SPIEN); /* Enable SPI */
+
+ return 0;
+}
+
+static int __devexit at91spi_remove(struct platform_device *pdev)
+{
+ struct resource *res;
+
+ at91_spi_write(AT91_SPI_CR, AT91_SPI_SPIDIS); /* Disable SPI */
+ clk_put(spi_clk);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ iounmap(spi_base);
+ release_mem_region(res->start, res->end - res->start + 1);
+
+ free_irq(AT91RM9200_ID_SPI, 0);
+ return 0;
+}
+
+static struct platform_driver at91spi_driver = {
+ .probe = at91spi_probe,
+ .remove = __devexit_p(at91spi_remove),
+ .driver = {
+ .name = "at91_spi",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init at91spi_init(void)
+{
+ return platform_driver_register(&at91spi_driver);
+}
+
+static void __exit at91spi_exit(void)
+{
+ platform_driver_unregister(&at91spi_driver);
+}
+
+EXPORT_SYMBOL(spi_access_bus);
+EXPORT_SYMBOL(spi_release_bus);
+EXPORT_SYMBOL(spi_transfer);
+
+module_init(at91spi_init);
+module_exit(at91spi_exit);
+
+MODULE_LICENSE("GPL")
+MODULE_AUTHOR("Andrew Victor")
+MODULE_DESCRIPTION("SPI driver for Atmel AT91RM9200")
+MODULE_ALIAS("platform:at91_spi");
--- /dev/null
+++ b/drivers/char/at91_spidev.c
@@ -0,0 +1,233 @@
+/*
+ * User-space interface to the SPI bus on Atmel AT91RM9200
+ *
+ * Copyright (C) 2003 SAN People (Pty) Ltd
+ *
+ * Based on SPI driver by Rick Bronson
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/highmem.h>
+#include <linux/pagemap.h>
+#include <asm/arch/spi.h>
+
+#ifdef CONFIG_DEVFS_FS
+#include <linux/devfs_fs_kernel.h>
+#endif
+
+
+#undef DEBUG_SPIDEV
+
+/* ......................................................................... */
+
+/*
+ * Read or Write to SPI bus.
+ */
+static ssize_t spidev_rd_wr(struct file *file, char *buf, size_t count, loff_t *offset)
+{
+ unsigned int spi_device = (unsigned int) file->private_data;
+
+ struct mm_struct * mm;
+ struct page ** maplist;
+ struct spi_transfer_list* list;
+ int pgcount;
+
+ unsigned int ofs, pagelen;
+ int res, i, err;
+
+ if (!count) {
+ return 0;
+ }
+
+ list = kmalloc(sizeof(struct spi_transfer_list), GFP_KERNEL);
+ if (!list) {
+ return -ENOMEM;
+ }
+
+ mm = current->mm;
+
+ pgcount = ((unsigned long)buf+count+PAGE_SIZE-1)/PAGE_SIZE - (unsigned long)buf/PAGE_SIZE;
+
+ if (pgcount >= MAX_SPI_TRANSFERS) {
+ kfree(list);
+ return -EFBIG;
+ }
+
+ maplist = kmalloc (pgcount * sizeof (struct page *), GFP_KERNEL);
+
+ if (!maplist) {
+ kfree(list);
+ return -ENOMEM;
+ }
+ flush_cache_all();
+ down_read(&mm->mmap_sem);
+ err= get_user_pages(current, mm, (unsigned long)buf, pgcount, 1, 0, maplist, NULL);
+ up_read(&mm->mmap_sem);
+
+ if (err < 0) {
+ kfree(list);
+ kfree(maplist);
+ return err;
+ }
+ pgcount = err;
+
+#ifdef DEBUG_SPIDEV
+ printk("spidev_rd_rw: %i %i\n", count, pgcount);
+#endif
+
+ /* Set default return value = transfer length */
+ res = count;
+
+ /*
+ * At this point, the virtual area buf[0] .. buf[count-1] will have
+ * corresponding pages mapped in the physical memory and locked until
+ * we unmap the kiobuf. The pages cannot be swapped out or moved
+ * around.
+ */
+ ofs = (unsigned long) buf & (PAGE_SIZE -1);
+ pagelen = PAGE_SIZE - ofs;
+ if (count < pagelen)
+ pagelen = count;
+
+ for (i = 0; i < pgcount; i++) {
+ flush_dcache_page(maplist[i]);
+
+ list->tx[i] = list->rx[i] = page_address(maplist[i]) + ofs;
+ list->txlen[i] = list->rxlen[i] = pagelen;
+
+#ifdef DEBUG_SPIDEV
+ printk(" %i: %x (%i)\n", i, list->tx[i], list->txlen[i]);
+#endif
+
+ ofs = 0; /* all subsequent transfers start at beginning of a page */
+ count = count - pagelen;
+ pagelen = (count < PAGE_SIZE) ? count : PAGE_SIZE;
+ }
+ list->nr_transfers = pgcount;
+
+ /* Perform transfer on SPI bus */
+ spi_access_bus(spi_device);
+ spi_transfer(list);
+ spi_release_bus(spi_device);
+
+ while (pgcount--) {
+ page_cache_release (maplist[pgcount]);
+ }
+ flush_cache_all();
+
+ kfree(maplist);
+ kfree(list);
+
+ return res;
+}
+
+static int spidev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+{
+ int spi_device = MINOR(inode->i_rdev);
+
+ if (spi_device >= NR_SPI_DEVICES)
+ return -ENODEV;
+
+ // TODO: This interface can be used to configure the SPI bus.
+ // Configurable options could include: Speed, Clock Polarity, Clock Phase
+
+ switch(cmd) {
+ default:
+ return -ENOIOCTLCMD;
+ }
+}
+
+/*
+ * Open the SPI device
+ */
+static int spidev_open(struct inode *inode, struct file *file)
+{
+ unsigned int spi_device = MINOR(inode->i_rdev);
+
+ if (spi_device >= NR_SPI_DEVICES)
+ return -ENODEV;
+
+ /*
+ * 'private_data' is actually a pointer, but we overload it with the
+ * value we want to store.
+ */
+ file->private_data = (void *)spi_device;
+
+ return 0;
+}
+
+/*
+ * Close the SPI device
+ */
+static int spidev_close(struct inode *inode, struct file *file)
+{
+ return 0;
+}
+
+/* ......................................................................... */
+
+static struct file_operations spidev_fops = {
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .read = spidev_rd_wr,
+ .write = (int (*) (struct file *file, const char *buf, size_t count, loff_t *offset))spidev_rd_wr,
+ .ioctl = spidev_ioctl,
+ .open = spidev_open,
+ .release = spidev_close,
+};
+
+/*
+ * Install the SPI /dev interface driver
+ */
+static int __init at91_spidev_init(void)
+{
+#ifdef CONFIG_DEVFS_FS
+ int i;
+#endif
+
+ if (register_chrdev(SPI_MAJOR, "spi", &spidev_fops)) {
+ printk(KERN_ERR "at91_spidev: Unable to get major %d for SPI bus\n", SPI_MAJOR);
+ return -EIO;
+ }
+
+#ifdef CONFIG_DEVFS_FS
+ devfs_mk_dir("spi");
+ for (i = 0; i < NR_SPI_DEVICES; i++) {
+ devfs_mk_cdev(MKDEV(SPI_MAJOR, i), S_IFCHR | S_IRUSR | S_IWUSR, "spi/%d",i);
+ }
+#endif
+ printk(KERN_INFO "AT91 SPI driver loaded\n");
+
+ return 0;
+}
+
+/*
+ * Remove the SPI /dev interface driver
+ */
+static void __exit at91_spidev_exit(void)
+{
+#ifdef CONFIG_DEVFS_FS
+ int i;
+ for (i = 0; i < NR_SPI_DEVICES; i++) {
+ devfs_remove("spi/%d", i);
+ }
+
+ devfs_remove("spi");
+#endif
+
+ unregister_chrdev(SPI_MAJOR, "spi");
+}
+
+module_init(at91_spidev_init);
+module_exit(at91_spidev_exit);
+
+MODULE_LICENSE("GPL")
+MODULE_AUTHOR("Andrew Victor")
+MODULE_DESCRIPTION("SPI /dev interface for Atmel AT91RM9200")
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -88,6 +88,14 @@ config I2C_AT91
to support combined I2C messages. Use the i2c-gpio driver
unless your system can cope with those limitations.
+config I2C_AT91_CLOCKRATE
+ prompt "Atmel AT91 I2C/TWI clock-rate"
+ depends on I2C_AT91
+ int
+ default 100000
+ help
+ Set the AT91 I2C/TWI clock-rate.
+
config I2C_AU1550
tristate "Au1550/Au1200 SMBus interface"
depends on SOC_AU1550 || SOC_AU1200
@@ -626,6 +634,14 @@ config I2C_VOODOO3
This driver can also be built as a module. If so, the module
will be called i2c-voodoo3.
+config I2C_PCA
+ tristate "PCA9564"
+ depends on I2C
+ select I2C_ALGOPCA
+ help
+ This driver support the Philips PCA 9564 Parallel bus to I2C
+ bus controller.
+
config I2C_PCA_ISA
tristate "PCA9564 on an ISA bus"
depends on ISA
--- a/drivers/i2c/busses/Makefile
+++ b/drivers/i2c/busses/Makefile
@@ -29,6 +29,7 @@ obj-$(CONFIG_I2C_OMAP) += i2c-omap.o
obj-$(CONFIG_I2C_PARPORT) += i2c-parport.o
obj-$(CONFIG_I2C_PARPORT_LIGHT) += i2c-parport-light.o
obj-$(CONFIG_I2C_PASEMI) += i2c-pasemi.o
+obj-$(CONFIG_I2C_PCA) += i2c-pca.o
obj-$(CONFIG_I2C_PCA_ISA) += i2c-pca-isa.o
obj-$(CONFIG_I2C_PIIX4) += i2c-piix4.o
obj-$(CONFIG_I2C_PMCMSP) += i2c-pmcmsp.o
--- a/drivers/i2c/busses/i2c-at91.c
+++ b/drivers/i2c/busses/i2c-at91.c
@@ -31,8 +31,11 @@
#include <asm/arch/board.h>
#include <asm/arch/cpu.h>
-#define TWI_CLOCK 100000 /* Hz. max 400 Kbits/sec */
+/* Clockrate is configurable - max 400 Kbits/sec */
+static unsigned int clockrate = CONFIG_I2C_AT91_CLOCKRATE;
+module_param(clockrate, uint, 0);
+MODULE_PARM_DESC(clockrate, "The TWI clockrate");
static struct clk *twi_clk;
static void __iomem *twi_base;
@@ -53,7 +56,7 @@ static void __devinit at91_twi_hwinit(vo
at91_twi_write(AT91_TWI_CR, AT91_TWI_MSEN); /* Set Master mode */
/* Calcuate clock dividers */
- cdiv = (clk_get_rate(twi_clk) / (2 * TWI_CLOCK)) - 3;
+ cdiv = (clk_get_rate(twi_clk) / (2 * clockrate)) - 3;
cdiv = cdiv + 1; /* round up */
ckdiv = 0;
while (cdiv > 255) {
@@ -61,11 +64,12 @@ static void __devinit at91_twi_hwinit(vo
cdiv = cdiv >> 1;
}
- if (cpu_is_at91rm9200()) { /* AT91RM9200 Errata #22 */
- if (ckdiv > 5) {
- printk(KERN_ERR "AT91 I2C: Invalid TWI_CLOCK value!\n");
- ckdiv = 5;
- }
+ if (cpu_is_at91rm9200() && (ckdiv > 5)) { /* AT91RM9200 Errata #22 */
+ printk(KERN_ERR "AT91 I2C: Invalid TWI clockrate!\n");
+ ckdiv = 5;
+ } else if (ckdiv > 7) {
+ printk(KERN_ERR "AT91 I2C: Invalid TWI clockrate!\n");
+ ckdiv = 7;
}
at91_twi_write(AT91_TWI_CWGR, (ckdiv << 16) | (cdiv << 8) | cdiv);
--- /dev/null
+++ b/drivers/i2c/busses/i2c-pca.c
@@ -0,0 +1,213 @@
+/*
+ * Platform driver for PCA9564 I2C bus controller.
+ *
+ * (C) 2006 Andrew Victor
+ *
+ * Based on i2c-pca-isa.c driver for PCA9564 on ISA boards
+ * Copyright (C) 2004 Arcom Control Systems
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/wait.h>
+#include <linux/platform_device.h>
+
+#include <linux/i2c.h>
+#include <linux/i2c-algo-pca.h>
+
+#include <asm/io.h>
+
+#include "../algos/i2c-algo-pca.h"
+
+#define PCA_OWN_ADDRESS 0x55 /* our address for slave mode */
+#define PCA_CLOCK I2C_PCA_CON_59kHz
+
+//#define REG_SHIFT 2
+#define REG_SHIFT 0
+
+//#define DEBUG_IO
+
+#define PCA_IO_SIZE 4
+
+static void __iomem *base_addr;
+static int irq;
+static wait_queue_head_t pca_wait;
+
+static int pca_getown(struct i2c_algo_pca_data *adap)
+{
+ return PCA_OWN_ADDRESS;
+}
+
+static int pca_getclock(struct i2c_algo_pca_data *adap)
+{
+ return PCA_CLOCK;
+}
+
+static void pca_writebyte(struct i2c_algo_pca_data *adap, int reg, int val)
+{
+#ifdef DEBUG_IO
+ static char *names[] = { "T/O", "DAT", "ADR", "CON" };
+ printk("*** write %s at %#lx <= %#04x\n", names[reg], (unsigned long) base_addr+reg, val);
+#endif
+ udelay(1);
+ outb(val, base_addr + (reg << REG_SHIFT));
+}
+
+static int pca_readbyte(struct i2c_algo_pca_data *adap, int reg)
+{
+ int res;
+
+ udelay(1);
+ res = inb(base_addr + (reg << REG_SHIFT));
+#ifdef DEBUG_IO
+ {
+ static char *names[] = { "STA", "DAT", "ADR", "CON" };
+ printk("*** read %s => %#04x\n", names[reg], res);
+ }
+#endif
+ return res;
+}
+
+static int pca_waitforinterrupt(struct i2c_algo_pca_data *adap)
+{
+ int ret = 0;
+
+ if (irq > -1) {
+ ret = wait_event_interruptible(pca_wait,
+ pca_readbyte(adap, I2C_PCA_CON) & I2C_PCA_CON_SI);
+ } else {
+ while ((pca_readbyte(adap, I2C_PCA_CON) & I2C_PCA_CON_SI) == 0)
+ udelay(100);
+ }
+ return ret;
+}
+
+static irqreturn_t pca_handler(int this_irq, void *dev_id)
+{
+ wake_up_interruptible(&pca_wait);
+ return IRQ_HANDLED;
+}
+
+static struct i2c_algo_pca_data pca_i2c_data = {
+ .get_own = pca_getown,
+ .get_clock = pca_getclock,
+ .write_byte = pca_writebyte,
+ .read_byte = pca_readbyte,
+ .wait_for_interrupt = pca_waitforinterrupt,
+};
+
+static struct i2c_adapter pca_i2c_ops = {
+ .owner = THIS_MODULE,
+ .id = I2C_HW_A_PLAT,
+ .algo_data = &pca_i2c_data,
+ .name = "PCA9564",
+ .class = I2C_CLASS_HWMON,
+};
+
+static int __devinit pca_i2c_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+
+ init_waitqueue_head(&pca_wait);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENODEV;
+
+ if (!request_mem_region(res->start, PCA_IO_SIZE, "PCA9564"))
+ return -ENXIO;
+
+ base_addr = ioremap(res->start, PCA_IO_SIZE);
+ if (base_addr == NULL)
+ goto out_region;
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq > -1) {
+ if (request_irq(irq, pca_handler, 0, "pca9564", NULL) < 0) {
+ printk(KERN_ERR "i2c-pca: Request irq%d failed\n", irq);
+ goto out_remap;
+ }
+ }
+
+ /* set up the driverfs linkage to our parent device */
+ pca_i2c_ops.dev.parent = &pdev->dev;
+
+ if (i2c_pca_add_bus(&pca_i2c_ops) < 0) {
+ printk(KERN_ERR "i2c-pca: Failed to add i2c bus\n");
+ goto out_irq;
+ }
+
+ return 0;
+
+ out_irq:
+ if (irq > -1)
+ free_irq(irq, &pca_i2c_ops);
+
+ out_remap:
+ iounmap(base_addr);
+
+ out_region:
+ release_mem_region(res->start, PCA_IO_SIZE);
+ return -ENODEV;
+}
+
+static int __devexit pca_i2c_remove(struct platform_device *pdev)
+{
+ struct resource *res;
+
+ i2c_del_adapter(&pca_i2c_ops);
+
+ if (irq > 0)
+ free_irq(irq, NULL);
+
+ iounmap(base_addr);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ release_mem_region(res->start, PCA_IO_SIZE);
+
+ return 0;
+}
+
+static struct platform_driver pca_i2c_driver = {
+ .probe = pca_i2c_probe,
+ .remove = __devexit_p(pca_i2c_remove),
+ .driver = {
+ .name = "pca9564",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init pca_i2c_init(void)
+{
+ return platform_driver_register(&pca_i2c_driver);
+}
+
+static void __exit pca_i2c_exit(void)
+{
+ platform_driver_unregister(&pca_i2c_driver);
+}
+
+module_init(pca_i2c_init);
+module_exit(pca_i2c_exit);
+
+MODULE_AUTHOR("Andrew Victor");
+MODULE_DESCRIPTION("PCA9564 platform driver");
+MODULE_LICENSE("GPL");
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -659,13 +659,14 @@ static void at91_mci_set_ios(struct mmc_
/* maybe switch power to the card */
if (host->board->vcc_pin) {
switch (ios->power_mode) {
- case MMC_POWER_OFF:
- gpio_set_value(host->board->vcc_pin, 0);
- break;
- case MMC_POWER_UP:
- case MMC_POWER_ON:
- gpio_set_value(host->board->vcc_pin, 1);
- break;
+ case MMC_POWER_OFF:
+ gpio_set_value(host->board->vcc_pin, 0);
+ break;
+ case MMC_POWER_UP:
+ gpio_set_value(host->board->vcc_pin, 1);
+ break;
+ default:
+ break;
}
}
}
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -270,5 +270,17 @@ config MTD_DOCPROBE_55AA
LinuxBIOS or if you need to recover a DiskOnChip Millennium on which
you have managed to wipe the first block.
-endmenu
+config MTD_AT91_DATAFLASH
+ tristate "AT91RM9200 DataFlash AT45DBxxx (legacy driver)"
+ depends on MTD && ARCH_AT91RM9200 && AT91_SPI
+ help
+ This enables access to the DataFlash (AT45DBxxx) on the AT91RM9200.
+ If you have such a board, say 'Y'.
+
+config DATAFLASH_ALWAYS_ADD_DEVICE
+ bool "Register whole DataFlash device"
+ depends on MTD_AT91_DATAFLASH
+ help
+ Always add the whole DataFlash device when using MTD partitions.
+endmenu
--- a/drivers/mtd/devices/Makefile
+++ b/drivers/mtd/devices/Makefile
@@ -17,3 +17,4 @@ obj-$(CONFIG_MTD_LART) += lart.o
obj-$(CONFIG_MTD_BLOCK2MTD) += block2mtd.o
obj-$(CONFIG_MTD_DATAFLASH) += mtd_dataflash.o
obj-$(CONFIG_MTD_M25P80) += m25p80.o
+obj-$(CONFIG_MTD_AT91_DATAFLASH)+= at91_dataflash.o
--- /dev/null
+++ b/drivers/mtd/devices/at91_dataflash.c
@@ -0,0 +1,673 @@
+/*
+ * Atmel DataFlash driver for Atmel AT91RM9200 (Thunder)
+ *
+ * Copyright (C) SAN People (Pty) Ltd
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+*/
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/pci.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/mach-types.h>
+
+#include <asm/arch/spi.h>
+
+
+#undef DEBUG_DATAFLASH
+
+#define DATAFLASH_MAX_DEVICES 4 /* max number of dataflash devices */
+
+#define OP_READ_CONTINUOUS 0xE8
+#define OP_READ_PAGE 0xD2
+#define OP_READ_BUFFER1 0xD4
+#define OP_READ_BUFFER2 0xD6
+#define OP_READ_STATUS 0xD7
+
+#define OP_ERASE_PAGE 0x81
+#define OP_ERASE_BLOCK 0x50
+
+#define OP_TRANSFER_BUF1 0x53
+#define OP_TRANSFER_BUF2 0x55
+#define OP_COMPARE_BUF1 0x60
+#define OP_COMPARE_BUF2 0x61
+
+#define OP_PROGRAM_VIA_BUF1 0x82
+#define OP_PROGRAM_VIA_BUF2 0x85
+
+struct dataflash_local
+{
+ int spi; /* SPI chip-select number */
+
+ unsigned int page_size; /* number of bytes per page */
+ unsigned short page_offset; /* page offset in flash address */
+};
+
+
+/* Detected DataFlash devices */
+static struct mtd_info* mtd_devices[DATAFLASH_MAX_DEVICES];
+static int nr_devices = 0;
+
+/* ......................................................................... */
+
+#ifdef CONFIG_MTD_PARTITIONS
+
+static struct mtd_partition static_partitions_2M[] =
+{
+ {
+ .name = "bootloader",
+ .offset = 0,
+ .size = 1 * 32 * 8 * 528, /* 1st sector = 32 blocks * 8 pages * 528 bytes */
+ .mask_flags = MTD_WRITEABLE, /* read-only */
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 6 * 32 * 8 * 528, /* 6 sectors */
+ },
+ {
+ .name = "filesystem",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL, /* rest = 9 sectors */
+ }
+};
+
+static struct mtd_partition static_partitions_4M[] =
+{
+ {
+ .name = "bootloader",
+ .offset = 0,
+ .size = 1 * 64 * 8 * 528, /* 1st sector = 64 blocks * 8 pages * 528 bytes */
+ .mask_flags = MTD_WRITEABLE, /* read-only */
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 4 * 64 * 8 * 528, /* 4 sectors */
+ },
+ {
+ .name = "filesystem",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL, /* rest = 11 sectors */
+ }
+};
+
+#if defined(CONFIG_MACH_KAFA)
+static struct mtd_partition static_partitions_8M[] =
+{
+ {
+ name: "romboot",
+ offset: 0,
+ size: 16 * 1056, /* 160 Kb */
+ mask_flags: MTD_WRITEABLE, /* read-only */
+ },
+ {
+ name: "uboot",
+ offset: MTDPART_OFS_APPEND, /* Sperry, NXTBLK is broken */
+ size: 128 * 1056, /* 1 MB */
+ },
+ {
+ name: "kernel",
+ offset: MTDPART_OFS_APPEND, /* Sperry, NXTBLK is broken */
+ size: 1024 * 1056, /* 1 MB */
+ },
+ {
+ name: "filesystem",
+ offset: MTDPART_OFS_APPEND, /* Sperry, NXTBLK is broken */
+ size: MTDPART_SIZ_FULL,
+ }
+};
+
+#elif defined(CONFIG_MACH_MULTMDP)
+
+static struct mtd_partition static_partitions_8M[] =
+{
+ {
+ .name = "bootloader",
+ .offset = 0,
+ .size = 12 * 1056, /* 1st sector = 32 blocks * 8 pages * 1056 bytes */
+ .mask_flags = MTD_WRITEABLE, /* read-only */
+ },
+ {
+ .name = "configuration",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 20 * 1056,
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 1520 * 1056,
+ },
+ {
+ .name = "filesystem",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL,
+ }
+};
+
+#else
+
+static struct mtd_partition static_partitions_8M[] =
+{
+ {
+ .name = "bootloader",
+ .offset = 0,
+ .size = 1 * 32 * 8 * 1056, /* 1st sector = 32 blocks * 8 pages * 1056 bytes */
+ .mask_flags = MTD_WRITEABLE, /* read-only */
+ },
+ {
+ .name = "kernel",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = 5 * 32 * 8 * 1056, /* 5 sectors */
+ },
+ {
+ .name = "filesystem",
+ .offset = MTDPART_OFS_NXTBLK,
+ .size = MTDPART_SIZ_FULL, /* rest = 26 sectors */
+ }
+};
+#endif
+
+static const char *part_probes[] = { "cmdlinepart", NULL, };
+
+#endif
+
+/* ......................................................................... */
+
+/* Allocate a single SPI transfer descriptor. We're assuming that if multiple
+ SPI transfers occur at the same time, spi_access_bus() will serialize them.
+ If this is not valid, then either (i) each dataflash 'priv' structure
+ needs it's own transfer descriptor, (ii) we lock this one, or (iii) use
+ another mechanism. */
+static struct spi_transfer_list* spi_transfer_desc;
+
+/*
+ * Perform a SPI transfer to access the DataFlash device.
+ */
+static int do_spi_transfer(int nr, char* tx, int tx_len, char* rx, int rx_len,
+ char* txnext, int txnext_len, char* rxnext, int rxnext_len)
+{
+ struct spi_transfer_list* list = spi_transfer_desc;
+
+ list->tx[0] = tx; list->txlen[0] = tx_len;
+ list->rx[0] = rx; list->rxlen[0] = rx_len;
+
+ list->tx[1] = txnext; list->txlen[1] = txnext_len;
+ list->rx[1] = rxnext; list->rxlen[1] = rxnext_len;
+
+ list->nr_transfers = nr;
+
+ return spi_transfer(list);
+}
+
+/* ......................................................................... */
+
+/*
+ * Poll the DataFlash device until it is READY.
+ */
+static void at91_dataflash_waitready(void)
+{
+ char* command = kmalloc(2, GFP_KERNEL);
+
+ if (!command)
+ return;
+
+ do {
+ command[0] = OP_READ_STATUS;
+ command[1] = 0;
+
+ do_spi_transfer(1, command, 2, command, 2, NULL, 0, NULL, 0);
+ } while ((command[1] & 0x80) == 0);
+
+ kfree(command);
+}
+
+/*
+ * Return the status of the DataFlash device.
+ */
+static unsigned short at91_dataflash_status(void)
+{
+ unsigned short status;
+ char* command = kmalloc(2, GFP_KERNEL);
+
+ if (!command)
+ return 0;
+
+ command[0] = OP_READ_STATUS;
+ command[1] = 0;
+
+ do_spi_transfer(1, command, 2, command, 2, NULL, 0, NULL, 0);
+ status = command[1];
+
+ kfree(command);
+ return status;
+}
+
+/* ......................................................................... */
+
+/*
+ * Erase blocks of flash.
+ */
+static int at91_dataflash_erase(struct mtd_info *mtd, struct erase_info *instr)
+{
+ struct dataflash_local *priv = (struct dataflash_local *) mtd->priv;
+ unsigned int pageaddr;
+ char* command;
+
+#ifdef DEBUG_DATAFLASH
+ printk("dataflash_erase: addr=%i len=%i\n", instr->addr, instr->len);
+#endif
+
+ /* Sanity checks */
+ if (instr->addr + instr->len > mtd->size)
+ return -EINVAL;
+ if ((instr->len % mtd->erasesize != 0) || (instr->len % priv->page_size != 0))
+ return -EINVAL;
+ if ((instr->addr % priv->page_size) != 0)
+ return -EINVAL;
+
+ command = kmalloc(4, GFP_KERNEL);
+ if (!command)
+ return -ENOMEM;
+
+ while (instr->len > 0) {
+ /* Calculate flash page address */
+ pageaddr = (instr->addr / priv->page_size) << priv->page_offset;
+
+ command[0] = OP_ERASE_PAGE;
+ command[1] = (pageaddr & 0x00FF0000) >> 16;
+ command[2] = (pageaddr & 0x0000FF00) >> 8;
+ command[3] = 0;
+#ifdef DEBUG_DATAFLASH
+ printk("ERASE: (%x) %x %x %x [%i]\n", command[0], command[1], command[2], command[3], pageaddr);
+#endif
+
+ /* Send command to SPI device */
+ spi_access_bus(priv->spi);
+ do_spi_transfer(1, command, 4, command, 4, NULL, 0, NULL, 0);
+
+ at91_dataflash_waitready(); /* poll status until ready */
+ spi_release_bus(priv->spi);
+
+ instr->addr += priv->page_size; /* next page */
+ instr->len -= priv->page_size;
+ }
+
+ kfree(command);
+
+ /* Inform MTD subsystem that erase is complete */
+ instr->state = MTD_ERASE_DONE;
+ if (instr->callback)
+ instr->callback(instr);
+
+ return 0;
+}
+
+/*
+ * Read from the DataFlash device.
+ * from : Start offset in flash device
+ * len : Amount to read
+ * retlen : About of data actually read
+ * buf : Buffer containing the data
+ */
+static int at91_dataflash_read(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf)
+{
+ struct dataflash_local *priv = (struct dataflash_local *) mtd->priv;
+ unsigned int addr;
+ char* command;
+
+#ifdef DEBUG_DATAFLASH
+ printk("dataflash_read: %lli .. %lli\n", from, from+len);
+#endif
+
+ *retlen = 0;
+
+ /* Sanity checks */
+ if (!len)
+ return 0;
+ if (from + len > mtd->size)
+ return -EINVAL;
+
+ /* Calculate flash page/byte address */
+ addr = (((unsigned)from / priv->page_size) << priv->page_offset) + ((unsigned)from % priv->page_size);
+
+ command = kmalloc(8, GFP_KERNEL);
+ if (!command)
+ return -ENOMEM;
+
+ command[0] = OP_READ_CONTINUOUS;
+ command[1] = (addr & 0x00FF0000) >> 16;
+ command[2] = (addr & 0x0000FF00) >> 8;
+ command[3] = (addr & 0x000000FF);
+#ifdef DEBUG_DATAFLASH
+ printk("READ: (%x) %x %x %x\n", command[0], command[1], command[2], command[3]);
+#endif
+
+ /* Send command to SPI device */
+ spi_access_bus(priv->spi);
+ do_spi_transfer(2, command, 8, command, 8, buf, len, buf, len);
+ spi_release_bus(priv->spi);
+
+ *retlen = len;
+ kfree(command);
+ return 0;
+}
+
+/*
+ * Write to the DataFlash device.
+ * to : Start offset in flash device
+ * len : Amount to write
+ * retlen : Amount of data actually written
+ * buf : Buffer containing the data
+ */
+static int at91_dataflash_write(struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf)
+{
+ struct dataflash_local *priv = (struct dataflash_local *) mtd->priv;
+ unsigned int pageaddr, addr, offset, writelen;
+ size_t remaining;
+ u_char *writebuf;
+ unsigned short status;
+ int res = 0;
+ char* command;
+ char* tmpbuf = NULL;
+
+#ifdef DEBUG_DATAFLASH
+ printk("dataflash_write: %lli .. %lli\n", to, to+len);
+#endif
+
+ *retlen = 0;
+
+ /* Sanity checks */
+ if (!len)
+ return 0;
+ if (to + len > mtd->size)
+ return -EINVAL;
+
+ command = kmalloc(4, GFP_KERNEL);
+ if (!command)
+ return -ENOMEM;
+
+ pageaddr = ((unsigned)to / priv->page_size);
+ offset = ((unsigned)to % priv->page_size);
+ if (offset + len > priv->page_size)
+ writelen = priv->page_size - offset;
+ else
+ writelen = len;
+ writebuf = (u_char *)buf;
+ remaining = len;
+
+ /* Allocate temporary buffer */
+ tmpbuf = kmalloc(priv->page_size, GFP_KERNEL);
+ if (!tmpbuf) {
+ kfree(command);
+ return -ENOMEM;
+ }
+
+ /* Gain access to the SPI bus */
+ spi_access_bus(priv->spi);
+
+ while (remaining > 0) {
+#ifdef DEBUG_DATAFLASH
+ printk("write @ %i:%i len=%i\n", pageaddr, offset, writelen);
+#endif
+
+ /* (1) Transfer to Buffer1 */
+ if (writelen != priv->page_size) {
+ addr = pageaddr << priv->page_offset;
+ command[0] = OP_TRANSFER_BUF1;
+ command[1] = (addr & 0x00FF0000) >> 16;
+ command[2] = (addr & 0x0000FF00) >> 8;
+ command[3] = 0;
+#ifdef DEBUG_DATAFLASH
+ printk("TRANSFER: (%x) %x %x %x\n", command[0], command[1], command[2], command[3]);
+#endif
+ do_spi_transfer(1, command, 4, command, 4, NULL, 0, NULL, 0);
+ at91_dataflash_waitready();
+ }
+
+ /* (2) Program via Buffer1 */
+ addr = (pageaddr << priv->page_offset) + offset;
+ command[0] = OP_PROGRAM_VIA_BUF1;
+ command[1] = (addr & 0x00FF0000) >> 16;
+ command[2] = (addr & 0x0000FF00) >> 8;
+ command[3] = (addr & 0x000000FF);
+#ifdef DEBUG_DATAFLASH
+ printk("PROGRAM: (%x) %x %x %x\n", command[0], command[1], command[2], command[3]);
+#endif
+ do_spi_transfer(2, command, 4, command, 4, writebuf, writelen, tmpbuf, writelen);
+ at91_dataflash_waitready();
+
+ /* (3) Compare to Buffer1 */
+ addr = pageaddr << priv->page_offset;
+ command[0] = OP_COMPARE_BUF1;
+ command[1] = (addr & 0x00FF0000) >> 16;
+ command[2] = (addr & 0x0000FF00) >> 8;
+ command[3] = 0;
+#ifdef DEBUG_DATAFLASH
+ printk("COMPARE: (%x) %x %x %x\n", command[0], command[1], command[2], command[3]);
+#endif
+ do_spi_transfer(1, command, 4, command, 4, NULL, 0, NULL, 0);
+ at91_dataflash_waitready();
+
+ /* Get result of the compare operation */
+ status = at91_dataflash_status();
+ if (status & 0x40) {
+ printk("at91_dataflash: Write error on page %i\n", pageaddr);
+ remaining = 0;
+ writelen = 0;
+ res = -EIO;
+ }
+
+ remaining = remaining - writelen;
+ pageaddr++;
+ offset = 0;
+ writebuf += writelen;
+ *retlen += writelen;
+
+ if (remaining > priv->page_size)
+ writelen = priv->page_size;
+ else
+ writelen = remaining;
+ }
+
+ /* Release SPI bus */
+ spi_release_bus(priv->spi);
+
+ kfree(tmpbuf);
+ kfree(command);
+ return res;
+}
+
+/* ......................................................................... */
+
+/*
+ * Initialize and register DataFlash device with MTD subsystem.
+ */
+static int __init add_dataflash(int channel, char *name, int IDsize,
+ int nr_pages, int pagesize, int pageoffset)
+{
+ struct mtd_info *device;
+ struct dataflash_local *priv;
+#ifdef CONFIG_MTD_PARTITIONS
+ struct mtd_partition *mtd_parts = 0;
+ int mtd_parts_nr = 0;
+#endif
+
+ if (nr_devices >= DATAFLASH_MAX_DEVICES) {
+ printk(KERN_ERR "at91_dataflash: Too many devices detected\n");
+ return 0;
+ }
+
+ device = kmalloc(sizeof(struct mtd_info) + strlen(name) + 8, GFP_KERNEL);
+ if (!device)
+ return -ENOMEM;
+ memset(device, 0, sizeof(struct mtd_info));
+
+ device->name = (char *)&device[1];
+ sprintf(device->name, "%s.spi%d", name, channel);
+ device->size = nr_pages * pagesize;
+ device->erasesize = pagesize;
+ device->writesize = pagesize;
+ device->owner = THIS_MODULE;
+ device->type = MTD_DATAFLASH;
+ device->flags = MTD_WRITEABLE;
+ device->erase = at91_dataflash_erase;
+ device->read = at91_dataflash_read;
+ device->write = at91_dataflash_write;
+
+ priv = (struct dataflash_local *) kmalloc(sizeof(struct dataflash_local), GFP_KERNEL);
+ if (!priv) {
+ kfree(device);
+ return -ENOMEM;
+ }
+ memset(priv, 0, sizeof(struct dataflash_local));
+
+ priv->spi = channel;
+ priv->page_size = pagesize;
+ priv->page_offset = pageoffset;
+ device->priv = priv;
+
+ mtd_devices[nr_devices] = device;
+ nr_devices++;
+ printk("at91_dataflash: %s detected [spi%i] (%i bytes)\n", name, channel, device->size);
+
+#ifdef CONFIG_MTD_PARTITIONS
+#ifdef CONFIG_MTD_CMDLINE_PARTS
+ mtd_parts_nr = parse_mtd_partitions(device, part_probes, &mtd_parts, 0);
+#endif
+ if (mtd_parts_nr <= 0) {
+ switch (IDsize) {
+ case SZ_2M:
+ mtd_parts = static_partitions_2M;
+ mtd_parts_nr = ARRAY_SIZE(static_partitions_2M);
+ break;
+ case SZ_4M:
+ mtd_parts = static_partitions_4M;
+ mtd_parts_nr = ARRAY_SIZE(static_partitions_4M);
+ break;
+ case SZ_8M:
+ mtd_parts = static_partitions_8M;
+ mtd_parts_nr = ARRAY_SIZE(static_partitions_8M);
+ break;
+ }
+ }
+
+ if (mtd_parts_nr > 0) {
+#ifdef CONFIG_DATAFLASH_ALWAYS_ADD_DEVICE
+ add_mtd_device(device);
+#endif
+ return add_mtd_partitions(device, mtd_parts, mtd_parts_nr);
+ }
+#endif
+ return add_mtd_device(device); /* add whole device */
+}
+
+/*
+ * Detect and initialize DataFlash device connected to specified SPI channel.
+ *
+ * Device Density ID code Nr Pages Page Size Page offset
+ * AT45DB011B 1Mbit (128K) xx0011xx (0x0c) 512 264 9
+ * AT45DB021B 2Mbit (256K) xx0101xx (0x14) 1025 264 9
+ * AT45DB041B 4Mbit (512K) xx0111xx (0x1c) 2048 264 9
+ * AT45DB081B 8Mbit (1M) xx1001xx (0x24) 4096 264 9
+ * AT45DB0161B 16Mbit (2M) xx1011xx (0x2c) 4096 528 10
+ * AT45DB0321B 32Mbit (4M) xx1101xx (0x34) 8192 528 10
+ * AT45DB0642 64Mbit (8M) xx1111xx (0x3c) 8192 1056 11
+ * AT45DB1282 128Mbit (16M) xx0100xx (0x10) 16384 1056 11
+ */
+static int __init at91_dataflash_detect(int channel)
+{
+ int res = 0;
+ unsigned short status;
+
+ spi_access_bus(channel);
+ status = at91_dataflash_status();
+ spi_release_bus(channel);
+ if (status != 0xff) { /* no dataflash device there */
+ switch (status & 0x3c) {
+ case 0x0c: /* 0 0 1 1 */
+ res = add_dataflash(channel, "AT45DB011B", SZ_128K, 512, 264, 9);
+ break;
+ case 0x14: /* 0 1 0 1 */
+ res = add_dataflash(channel, "AT45DB021B", SZ_256K, 1025, 264, 9);
+ break;
+ case 0x1c: /* 0 1 1 1 */
+ res = add_dataflash(channel, "AT45DB041B", SZ_512K, 2048, 264, 9);
+ break;
+ case 0x24: /* 1 0 0 1 */
+ res = add_dataflash(channel, "AT45DB081B", SZ_1M, 4096, 264, 9);
+ break;
+ case 0x2c: /* 1 0 1 1 */
+ res = add_dataflash(channel, "AT45DB161B", SZ_2M, 4096, 528, 10);
+ break;
+ case 0x34: /* 1 1 0 1 */
+ res = add_dataflash(channel, "AT45DB321B", SZ_4M, 8192, 528, 10);
+ break;
+ case 0x3c: /* 1 1 1 1 */
+ res = add_dataflash(channel, "AT45DB642", SZ_8M, 8192, 1056, 11);
+ break;
+// Currently unsupported since Atmel removed the "Main Memory Program via Buffer" commands.
+// case 0x10: /* 0 1 0 0 */
+// res = add_dataflash(channel, "AT45DB1282", SZ_16M, 16384, 1056, 11);
+// break;
+ default:
+ printk(KERN_ERR "at91_dataflash: Unknown device (%x)\n", status & 0x3c);
+ }
+ }
+
+ return res;
+}
+
+static int __init at91_dataflash_init(void)
+{
+ spi_transfer_desc = kmalloc(sizeof(struct spi_transfer_list), GFP_KERNEL);
+ if (!spi_transfer_desc)
+ return -ENOMEM;
+
+ /* DataFlash (SPI chip select 0) */
+ at91_dataflash_detect(0);
+
+ if (machine_is_sweda_tms())
+ at91_dataflash_detect(1); /* DataFlash device (SPI chip select 1) */
+
+#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
+ /* DataFlash card (SPI chip select 3) */
+ at91_dataflash_detect(3);
+#endif
+
+ return 0;
+}
+
+static void __exit at91_dataflash_exit(void)
+{
+ int i;
+
+ for (i = 0; i < DATAFLASH_MAX_DEVICES; i++) {
+ if (mtd_devices[i]) {
+#ifdef CONFIG_MTD_PARTITIONS
+ del_mtd_partitions(mtd_devices[i]);
+#else
+ del_mtd_device(mtd_devices[i]);
+#endif
+ kfree(mtd_devices[i]->priv);
+ kfree(mtd_devices[i]);
+ }
+ }
+ nr_devices = 0;
+ kfree(spi_transfer_desc);
+}
+
+
+module_init(at91_dataflash_init);
+module_exit(at91_dataflash_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Andrew Victor");
+MODULE_DESCRIPTION("DataFlash driver for Atmel AT91RM9200");
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -273,12 +273,53 @@ config MTD_NAND_CS553X
If you say "m", the module will be called "cs553x_nand.ko".
config MTD_NAND_AT91
- bool "Support for NAND Flash / SmartMedia on AT91"
+ tristate "Support for NAND Flash / SmartMedia on AT91"
depends on ARCH_AT91
help
Enables support for NAND Flash / Smart Media Card interface
on Atmel AT91 processors.
+choice
+ prompt "ECC management for NAND Flash / SmartMedia on AT91"
+ depends on MTD_NAND_AT91
+
+config MTD_NAND_AT91_ECC_SOFT
+ bool "Software ECC"
+ depends on MTD_NAND_AT91
+ help
+ Uses software ECC.
+
+ NB : hardware and software ECC schemes are incompatible.
+ If you switch from one to another, you'll have to erase your
+ mtd partition.
+
+config MTD_NAND_AT91_ECC_HW
+ bool "Hardware ECC"
+ depends on MTD_NAND_AT91 && (ARCH_AT91SAM9260 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9)
+ help
+ Uses hardware ECC provided by the AT91 processor
+ instead of software ECC.
+ The hardware ECC controller is capable of single bit error
+ correction and 2-bit random detection per page.
+
+ NB : hardware and software ECC schemes are incompatible.
+ If you switch from one to another, you'll have to erase your
+ mtd partition.
+
+ If unsure, say Y
+
+config MTD_NAND_AT91_ECC_NONE
+ bool "No ECC (Testing Only)"
+ depends on MTD_NAND_AT91
+ help
+ No ECC will be used.
+ It's not a good idea and it should be reserved for testing
+ purpose only.
+
+ If unsure, say N
+
+endchoice
+
config MTD_NAND_CM_X270
tristate "Support for NAND Flash on CM-X270 modules"
depends on MTD_NAND && MACH_ARMCORE
--- a/drivers/mtd/nand/at91_nand.c
+++ b/drivers/mtd/nand/at91_nand.c
@@ -9,6 +9,15 @@
* Derived from drivers/mtd/spia.c
* Copyright (C) 2000 Steven J. Hill (sjhill@cotw.com)
*
+ *
+ * Add Hardware ECC support for AT91SAM9260 / AT91SAM9263
+ * Richard Genoud (richard.genoud@gmail.com), Adeneo Copyright (C) 2007
+ *
+ * Derived from Das U-Boot source code
+ * (u-boot-1.1.5/board/atmel/at91sam9263ek/nand.c)
+ * (C) Copyright 2006 ATMEL Rousset, Lacressonniere Nicolas
+ *
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
@@ -28,15 +37,75 @@
#include <asm/hardware.h>
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
+#include <asm/arch/at91_ecc.h>
+
+#ifdef CONFIG_MTD_NAND_AT91_ECC_HW
+#define hard_ecc 1
+#else
+#define hard_ecc 0
+#endif
+
+#ifdef CONFIG_MTD_NAND_AT91_ECC_NONE
+#define no_ecc 1
+#else
+#define no_ecc 0
+#endif
+
+/* Register access macros */
+#define ecc_readl(base, reg) __raw_readl(base + reg)
+#define ecc_writel(base, reg, value) __raw_writel((value), base + reg)
+
+
+/*
+ * OOB layout for large page size.
+ * bad block info is on bytes 0 and 1
+ * the bytes must be consecutives to avoid several NAND_CMD_RNDOUT during read.
+ */
+static struct nand_ecclayout at91_oobinfo_large = {
+ .eccbytes = 4,
+ .eccpos = {60, 61, 62, 63},
+ .oobfree = { {2, 58} },
+};
+
+/*
+ * OOB layout for small page size
+ * bad block info is on bytes 4 and 5
+ * the bytes must be consecutives to avoid several NAND_CMD_RNDOUT during read.
+ */
+static struct nand_ecclayout at91_oobinfo_small = {
+ .eccbytes = 4,
+ .eccpos = {0, 1, 2, 3},
+ .oobfree = { {6, 10} },
+};
struct at91_nand_host {
struct nand_chip nand_chip;
struct mtd_info mtd;
void __iomem *io_base;
struct at91_nand_data *board;
+ struct device *dev;
+ void __iomem *ecc;
};
/*
+ * Enable NAND chip-select.
+ */
+static void at91_nand_enable(struct at91_nand_host *host)
+{
+ if (host->board->enable_pin)
+ at91_set_gpio_value(host->board->enable_pin, 0);
+}
+
+/*
+ * Disable NAND chip-select.
+ */
+static void at91_nand_disable(struct at91_nand_host *host)
+{
+ if (host->board->enable_pin)
+ at91_set_gpio_value(host->board->enable_pin, 1);
+}
+
+/*
* Hardware specific access to control-lines
*/
static void at91_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
@@ -44,6 +113,13 @@ static void at91_nand_cmd_ctrl(struct mt
struct nand_chip *nand_chip = mtd->priv;
struct at91_nand_host *host = nand_chip->priv;
+ if (ctrl & NAND_CTRL_CHANGE) {
+ if (ctrl & NAND_NCE)
+ at91_nand_enable(host);
+ else
+ at91_nand_disable(host);
+ }
+
if (cmd == NAND_CMD_NONE)
return;
@@ -65,27 +141,249 @@ static int at91_nand_device_ready(struct
}
/*
- * Enable NAND.
+ * write oob for small pages
*/
-static void at91_nand_enable(struct at91_nand_host *host)
+static int at91_nand_write_oob_512(struct mtd_info *mtd,
+ struct nand_chip *chip, int page)
{
- if (host->board->enable_pin)
- at91_set_gpio_value(host->board->enable_pin, 0);
+ int chunk = chip->ecc.bytes + chip->ecc.prepad + chip->ecc.postpad;
+ int eccsize = chip->ecc.size, length = mtd->oobsize;
+ int len, pos, status = 0;
+ const uint8_t *bufpoi = chip->oob_poi;
+
+ pos = eccsize + chunk;
+
+ chip->cmdfunc(mtd, NAND_CMD_SEQIN, pos, page);
+ len = min_t(int, length, chunk);
+ chip->write_buf(mtd, bufpoi, len);
+ bufpoi += len;
+ length -= len;
+ if (length > 0)
+ chip->write_buf(mtd, bufpoi, length);
+
+ chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1);
+ status = chip->waitfunc(mtd, chip);
+
+ return status & NAND_STATUS_FAIL ? -EIO : 0;
+
}
/*
- * Disable NAND.
+ * read oob for small pages
*/
-static void at91_nand_disable(struct at91_nand_host *host)
+static int at91_nand_read_oob_512(struct mtd_info *mtd,
+ struct nand_chip *chip, int page, int sndcmd)
{
- if (host->board->enable_pin)
- at91_set_gpio_value(host->board->enable_pin, 1);
+ if (sndcmd) {
+ chip->cmdfunc(mtd, NAND_CMD_READOOB, 0, page);
+ sndcmd = 0;
+ }
+ chip->read_buf(mtd, chip->oob_poi, mtd->oobsize);
+ return sndcmd;
+}
+
+/*
+ * Calculate HW ECC
+ *
+ * mtd: MTD block structure
+ * dat: raw data (unused)
+ * ecc_code: buffer for ECC
+ */
+static int at91_nand_calculate(struct mtd_info *mtd,
+ const u_char *dat, unsigned char *ecc_code)
+{
+ struct nand_chip *nand_chip = mtd->priv;
+ struct at91_nand_host *host = nand_chip->priv;
+ uint32_t *eccpos = nand_chip->ecc.layout->eccpos;
+ unsigned int ecc_value;
+
+ /* get the first 2 ECC bytes */
+ ecc_value = ecc_readl(host->ecc, AT91_ECC_PR) & (AT91_ECC_BITADDR | AT91_ECC_WORDADDR);
+
+ ecc_code[eccpos[0]] = ecc_value & 0xFF;
+ ecc_code[eccpos[1]] = (ecc_value >> 8) & 0xFF;
+
+ /* get the last 2 ECC bytes */
+ ecc_value = ecc_readl(host->ecc, AT91_ECC_NPR) & AT91_ECC_NPARITY;
+
+ ecc_code[eccpos[2]] = ecc_value & 0xFF;
+ ecc_code[eccpos[3]] = (ecc_value >> 8) & 0xFF;
+
+ return 0;
}
+/*
+ * HW ECC read page function
+ *
+ * mtd: mtd info structure
+ * chip: nand chip info structure
+ * buf: buffer to store read data
+ */
+static int at91_nand_read_page(struct mtd_info *mtd,
+ struct nand_chip *chip, uint8_t *buf)
+{
+ int eccsize = chip->ecc.size;
+ int eccbytes = chip->ecc.bytes;
+ uint32_t *eccpos = chip->ecc.layout->eccpos;
+ uint8_t *p = buf;
+ uint8_t *oob = chip->oob_poi;
+ uint8_t *ecc_pos;
+ int stat;
+
+ /* read the page */
+ chip->read_buf(mtd, p, eccsize);
+
+ /* move to ECC position if needed */
+ if (eccpos[0] != 0) {
+ /*
+ * This only works on large pages because the ECC controller
+ * waits for NAND_CMD_RNDOUTSTART after the NAND_CMD_RNDOUT.
+ * Anyway, for small pages, the eccpos[0] == 0
+ */
+ chip->cmdfunc(mtd, NAND_CMD_RNDOUT,
+ mtd->writesize + eccpos[0], -1);
+ }
+
+ /* the ECC controller needs to read the ECC just after the data */
+ ecc_pos = oob + eccpos[0];
+ chip->read_buf(mtd, ecc_pos, eccbytes);
+
+ /* check if there's an error */
+ stat = chip->ecc.correct(mtd, p, oob, NULL);
+
+ if (stat < 0)
+ mtd->ecc_stats.failed++;
+ else
+ mtd->ecc_stats.corrected += stat;
+
+ /* get back to oob start (end of page) */
+ chip->cmdfunc(mtd, NAND_CMD_RNDOUT, mtd->writesize, -1);
+
+ /* read the oob */
+ chip->read_buf(mtd, oob, mtd->oobsize);
+
+ return 0;
+}
+
+/*
+ * HW ECC Correction
+ *
+ * mtd: MTD block structure
+ * dat: raw data read from the chip
+ * read_ecc: ECC from the chip (unused)
+ * isnull: unused
+ *
+ * Detect and correct a 1 bit error for a page
+ */
+static int at91_nand_correct(struct mtd_info *mtd, u_char *dat,
+ u_char *read_ecc, u_char *isnull)
+{
+ struct nand_chip *nand_chip = mtd->priv;
+ struct at91_nand_host *host = nand_chip->priv;
+ unsigned int ecc_status;
+ unsigned int ecc_word, ecc_bit;
+
+ /* get the status from the Status Register */
+ ecc_status = ecc_readl(host->ecc, AT91_ECC_SR);
+
+ /* if there's no error */
+ if (likely(!(ecc_status & AT91_ECC_RECERR)))
+ return 0;
+
+ /* get error bit offset (4 bits) */
+ ecc_bit = ecc_readl(host->ecc, AT91_ECC_PR) & AT91_ECC_BITADDR;
+ /* get word address (12 bits) */
+ ecc_word = ecc_readl(host->ecc, AT91_ECC_PR) & AT91_ECC_WORDADDR;
+ ecc_word >>= 4;
+
+ /* if there are multiple errors */
+ if (ecc_status & AT91_ECC_MULERR) {
+ /* Check if it is a freshly erased block (filled with 0xff) */
+ if ((ecc_bit == AT91_ECC_BITADDR)
+ && (ecc_word == (AT91_ECC_WORDADDR >> 4))) {
+ /* the block has just been erased, return OK */
+ return 0;
+ }
+ /*
+ * It doesn't seems to be a freshly-erased block.
+ * We can't correct so many errors.
+ */
+ dev_dbg(host->dev, "at91_nand : multiple errors detected."
+ " Unable to correct.\n");
+ return -EIO;
+ }
+
+ /* if there's a single bit error : we can correct it */
+ if (ecc_status & AT91_ECC_ECCERR) {
+ /*
+ * There's nothing much to do here.
+ * The bit error is on the ECC itself.
+ */
+ dev_dbg(host->dev, "at91_nand : one bit error on ECC code."
+ " Nothing to correct\n");
+ return 0;
+ }
+
+ dev_dbg(host->dev, "at91_nand : one bit error on data."
+ " (word offset in the page :"
+ " 0x%x bit offset : 0x%x)\n",
+ ecc_word, ecc_bit);
+ /* correct the error */
+ if (nand_chip->options & NAND_BUSWIDTH_16) {
+ /* 16 bits words */
+ ((unsigned short *) dat)[ecc_word] ^= (1 << ecc_bit);
+ } else {
+ /* 8 bits words */
+ dat[ecc_word] ^= (1 << ecc_bit);
+ }
+ dev_dbg(host->dev, "at91_nand : error corrected\n");
+ return 1;
+}
+
+/*
+ * Enable HW ECC : unsused
+ */
+static void at91_nand_hwctl(struct mtd_info *mtd, int mode) { ; }
+
+/*
+ * Over-ride the standard functions with our optimized versions.
+ * We can use read/write blocks to move data to/from the controller.
+ */
+static void at91_read_buf8(struct mtd_info *mtd, u8 *buf, int len)
+{
+ struct nand_chip *nand_chip = mtd->priv;
+
+ __raw_readsb(nand_chip->IO_ADDR_R, buf, len);
+}
+
+static void at91_read_buf16(struct mtd_info *mtd, u8 *buf, int len)
+{
+ struct nand_chip *nand_chip = mtd->priv;
+
+ __raw_readsw(nand_chip->IO_ADDR_R, buf, len / 2);
+}
+
+static void at91_write_buf8(struct mtd_info *mtd, const u8 *buf, int len)
+{
+ struct nand_chip *nand_chip = mtd->priv;
+
+ __raw_writesb(nand_chip->IO_ADDR_W, buf, len);
+}
+
+static void at91_write_buf16(struct mtd_info *mtd, const u8 *buf, int len)
+{
+ struct nand_chip *nand_chip = mtd->priv;
+
+ __raw_writesw(nand_chip->IO_ADDR_W, buf, len / 2);
+}
+
+
#ifdef CONFIG_MTD_PARTITIONS
-const char *part_probes[] = { "cmdlinepart", NULL };
+static const char *part_probes[] = { "cmdlinepart", NULL };
#endif
+static char* ecc_modes[] __initdata = { "No", "Software", "Hardware" };
+
/*
* Probe for the NAND device.
*/
@@ -94,6 +392,8 @@ static int __init at91_nand_probe(struct
struct at91_nand_host *host;
struct mtd_info *mtd;
struct nand_chip *nand_chip;
+ struct resource *regs;
+ struct resource *mem;
int res;
#ifdef CONFIG_MTD_PARTITIONS
@@ -108,8 +408,13 @@ static int __init at91_nand_probe(struct
return -ENOMEM;
}
- host->io_base = ioremap(pdev->resource[0].start,
- pdev->resource[0].end - pdev->resource[0].start + 1);
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!mem) {
+ printk(KERN_ERR "at91_nand: can't get I/O resource mem\n");
+ return -ENXIO;
+ }
+
+ host->io_base = ioremap(mem->start, mem->end - mem->start + 1);
if (host->io_base == NULL) {
printk(KERN_ERR "at91_nand: ioremap failed\n");
kfree(host);
@@ -119,6 +424,7 @@ static int __init at91_nand_probe(struct
mtd = &host->mtd;
nand_chip = &host->nand_chip;
host->board = pdev->dev.platform_data;
+ host->dev = &pdev->dev;
nand_chip->priv = host; /* link the private data structures */
mtd->priv = nand_chip;
@@ -132,11 +438,40 @@ static int __init at91_nand_probe(struct
if (host->board->rdy_pin)
nand_chip->dev_ready = at91_nand_device_ready;
+ regs = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (!regs && hard_ecc) {
+ printk(KERN_ERR "at91_nand: can't get I/O resource "
+ "regs\nFalling back on software ECC\n");
+ }
+
nand_chip->ecc.mode = NAND_ECC_SOFT; /* enable ECC */
+ if (no_ecc)
+ nand_chip->ecc.mode = NAND_ECC_NONE;
+ if (hard_ecc && regs) {
+ host->ecc = (void __force __iomem *) (AT91_VA_BASE_SYS - AT91_BASE_SYS);
+ host->ecc += regs->start;
+
+ nand_chip->ecc.mode = NAND_ECC_HW_SYNDROME; /* HW SYNDROME ECC */
+ nand_chip->ecc.calculate = at91_nand_calculate; /* function called after a write */
+ nand_chip->ecc.correct = at91_nand_correct; /* function called after a read */
+ nand_chip->ecc.hwctl = at91_nand_hwctl; /* unused */
+ nand_chip->ecc.read_page = at91_nand_read_page; /* read page function */
+ nand_chip->ecc.bytes = 4; /* 4 ECC bytes for any page size */
+ nand_chip->ecc.prepad = 0;
+ nand_chip->ecc.postpad = 0;
+ }
+
nand_chip->chip_delay = 20; /* 20us command delay time */
- if (host->board->bus_width_16) /* 16-bit bus width */
+ if (host->board->bus_width_16) { /* 16-bit bus width */
nand_chip->options |= NAND_BUSWIDTH_16;
+ nand_chip->read_buf = at91_read_buf16;
+ nand_chip->write_buf = at91_write_buf16;
+ }
+ else {
+ nand_chip->read_buf = at91_read_buf8;
+ nand_chip->write_buf = at91_write_buf8;
+ }
platform_set_drvdata(pdev, host);
at91_nand_enable(host);
@@ -149,8 +484,60 @@ static int __init at91_nand_probe(struct
}
}
- /* Scan to find existance of the device */
- if (nand_scan(mtd, 1)) {
+ /* first scan to find the device and get the page size */
+ if (nand_scan_ident(mtd, 1)) {
+ res = -ENXIO;
+ goto out;
+ }
+
+ if (nand_chip->ecc.mode == NAND_ECC_HW_SYNDROME) {
+ /* ECC is calculated for the whole page (1 step) */
+ nand_chip->ecc.size = mtd->writesize;
+
+ /* set ECC page size and oob layout */
+ switch (mtd->writesize) {
+ case 512:
+ nand_chip->ecc.layout = &at91_oobinfo_small;
+ nand_chip->ecc.read_oob = at91_nand_read_oob_512;
+ nand_chip->ecc.write_oob = at91_nand_write_oob_512;
+ ecc_writel(host->ecc, AT91_ECC_MR, AT91_ECC_PAGESIZE_528);
+ break;
+ case 1024:
+ nand_chip->ecc.layout = &at91_oobinfo_large;
+ ecc_writel(host->ecc, AT91_ECC_MR, AT91_ECC_PAGESIZE_1056);
+ break;
+ case 2048:
+ nand_chip->ecc.layout = &at91_oobinfo_large;
+ ecc_writel(host->ecc, AT91_ECC_MR, AT91_ECC_PAGESIZE_2112);
+ break;
+ case 4096:
+ nand_chip->ecc.layout = &at91_oobinfo_large;
+ ecc_writel(host->ecc, AT91_ECC_MR, AT91_ECC_PAGESIZE_4224);
+ break;
+ default:
+ /*
+ * Page size not supported by HW ECC.
+ * So switch back to soft ECC
+ */
+ nand_chip->ecc.mode = NAND_ECC_SOFT;
+ nand_chip->ecc.calculate = NULL;
+ nand_chip->ecc.correct = NULL;
+ nand_chip->ecc.hwctl = NULL;
+ nand_chip->ecc.read_page = NULL;
+ nand_chip->ecc.postpad = 0;
+ nand_chip->ecc.prepad = 0;
+ nand_chip->ecc.bytes = 0;
+ break;
+ }
+ }
+
+ printk(KERN_INFO "AT91 NAND: %i-bit, %s ECC\n",
+ (nand_chip->options & NAND_BUSWIDTH_16) ? 16 : 8,
+ ecc_modes[nand_chip->ecc.mode]
+ );
+
+ /* second phase scan */
+ if (nand_scan_tail(mtd)) {
res = -ENXIO;
goto out;
}
@@ -179,8 +566,11 @@ static int __init at91_nand_probe(struct
if (!res)
return res;
+#ifdef CONFIG_MTD_PARTITIONS
release:
+#endif
nand_release(mtd);
+
out:
at91_nand_disable(host);
platform_set_drvdata(pdev, NULL);
@@ -192,7 +582,7 @@ out:
/*
* Remove a NAND device.
*/
-static int __devexit at91_nand_remove(struct platform_device *pdev)
+static int __exit at91_nand_remove(struct platform_device *pdev)
{
struct at91_nand_host *host = platform_get_drvdata(pdev);
struct mtd_info *mtd = &host->mtd;
@@ -208,8 +598,7 @@ static int __devexit at91_nand_remove(st
}
static struct platform_driver at91_nand_driver = {
- .probe = at91_nand_probe,
- .remove = at91_nand_remove,
+ .remove = __exit_p(at91_nand_remove),
.driver = {
.name = "at91_nand",
.owner = THIS_MODULE,
@@ -218,7 +607,7 @@ static struct platform_driver at91_nand_
static int __init at91_nand_init(void)
{
- return platform_driver_register(&at91_nand_driver);
+ return platform_driver_probe(&at91_nand_driver, at91_nand_probe);
}
@@ -233,4 +622,4 @@ module_exit(at91_nand_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Rick Bronson");
-MODULE_DESCRIPTION("NAND/SmartMedia driver for AT91RM9200");
+MODULE_DESCRIPTION("NAND/SmartMedia driver for AT91RM9200 / AT91SAM9 / AT91CAP9");
--- a/drivers/net/arm/Kconfig
+++ b/drivers/net/arm/Kconfig
@@ -47,3 +47,10 @@ config EP93XX_ETH
help
This is a driver for the ethernet hardware included in EP93xx CPUs.
Say Y if you are building a kernel for EP93xx based devices.
+
+config ARM_KS8695_ETHER
+ tristate "KS8695 Ethernet support"
+ depends on NET_ETHERNET && ARM && ARCH_KS8695
+ help
+ If you wish to compile a kernel for an KS8695-based board
+ and enable Ethernet support, then select this option.
--- a/drivers/net/arm/Makefile
+++ b/drivers/net/arm/Makefile
@@ -9,3 +9,4 @@ obj-$(CONFIG_ARM_ETHER3) += ether3.o
obj-$(CONFIG_ARM_ETHER1) += ether1.o
obj-$(CONFIG_ARM_AT91_ETHER) += at91_ether.o
obj-$(CONFIG_EP93XX_ETH) += ep93xx_eth.o
+obj-$(CONFIG_ARM_KS8695_ETHER) += ks8695_ether.o
--- a/drivers/net/arm/at91_ether.c
+++ b/drivers/net/arm/at91_ether.c
@@ -220,7 +220,7 @@ static irqreturn_t at91ether_phy_interru
if (!(phy & (1 << 0)))
goto done;
}
- else if (lp->phy_type == MII_KS8721_ID) {
+ else if ((lp->phy_type == MII_KS8721_ID) || (lp->phy_type == MII_KSZ8041_ID)) {
read_phy(lp->phy_address, MII_TPISTATUS, &phy); /* ack interrupt in Micrel PHY */
if (!(phy & ((1 << 2) | 1)))
goto done;
@@ -286,7 +286,7 @@ static void enable_phyirq(struct net_dev
dsintr = (1 << 15) | ( 1 << 14);
write_phy(lp->phy_address, MII_BCMINTR_REG, dsintr);
}
- else if (lp->phy_type == MII_KS8721_ID) { /* for Micrel PHY */
+ else if ((lp->phy_type == MII_KS8721_ID) || (lp->phy_type == MII_KSZ8041_ID)) { /* for Micrel PHY */
dsintr = (1 << 10) | ( 1 << 8);
write_phy(lp->phy_address, MII_TPISTATUS, dsintr);
}
@@ -341,7 +341,7 @@ static void disable_phyirq(struct net_de
dsintr = ~(1 << 14);
write_phy(lp->phy_address, MII_BCMINTR_REG, dsintr);
}
- else if (lp->phy_type == MII_KS8721_ID) { /* for Micrel PHY */
+ else if ((lp->phy_type == MII_KS8721_ID) || (lp->phy_type == MII_KSZ8041_ID)) { /* for Micrel PHY */
read_phy(lp->phy_address, MII_TPISTATUS, &dsintr);
dsintr = ~((1 << 10) | (1 << 8));
write_phy(lp->phy_address, MII_TPISTATUS, dsintr);
@@ -820,7 +820,7 @@ static int at91ether_tx(struct sk_buff *
lp->skb = skb;
lp->skb_length = skb->len;
lp->skb_physaddr = dma_map_single(NULL, skb->data, skb->len, DMA_TO_DEVICE);
- lp->stats.tx_bytes += skb->len;
+ dev->stats.tx_bytes += skb->len;
/* Set address of the data in the Transmit Address register */
at91_emac_write(AT91_EMAC_TAR, lp->skb_physaddr);
@@ -843,34 +843,32 @@ static int at91ether_tx(struct sk_buff *
*/
static struct net_device_stats *at91ether_stats(struct net_device *dev)
{
- struct at91_private *lp = netdev_priv(dev);
- int ale, lenerr, seqe, lcol, ecol;
+ int ale, lenerr, seqe, ecol;
if (netif_running(dev)) {
- lp->stats.rx_packets += at91_emac_read(AT91_EMAC_OK); /* Good frames received */
+ dev->stats.rx_packets += at91_emac_read(AT91_EMAC_OK); /* Good frames received */
ale = at91_emac_read(AT91_EMAC_ALE);
- lp->stats.rx_frame_errors += ale; /* Alignment errors */
+ dev->stats.rx_frame_errors += ale; /* Alignment errors */
lenerr = at91_emac_read(AT91_EMAC_ELR) + at91_emac_read(AT91_EMAC_USF);
- lp->stats.rx_length_errors += lenerr; /* Excessive Length or Undersize Frame error */
+ dev->stats.rx_length_errors += lenerr; /* Excessive Length or Undersize Frame error */
seqe = at91_emac_read(AT91_EMAC_SEQE);
- lp->stats.rx_crc_errors += seqe; /* CRC error */
- lp->stats.rx_fifo_errors += at91_emac_read(AT91_EMAC_DRFC); /* Receive buffer not available */
- lp->stats.rx_errors += (ale + lenerr + seqe
+ dev->stats.rx_crc_errors += seqe; /* CRC error */
+ dev->stats.rx_fifo_errors += at91_emac_read(AT91_EMAC_DRFC); /* Receive buffer not available */
+ dev->stats.rx_errors += (ale + lenerr + seqe
+ at91_emac_read(AT91_EMAC_CDE) + at91_emac_read(AT91_EMAC_RJB));
- lp->stats.tx_packets += at91_emac_read(AT91_EMAC_FRA); /* Frames successfully transmitted */
- lp->stats.tx_fifo_errors += at91_emac_read(AT91_EMAC_TUE); /* Transmit FIFO underruns */
- lp->stats.tx_carrier_errors += at91_emac_read(AT91_EMAC_CSE); /* Carrier Sense errors */
- lp->stats.tx_heartbeat_errors += at91_emac_read(AT91_EMAC_SQEE);/* Heartbeat error */
+ dev->stats.tx_packets += at91_emac_read(AT91_EMAC_FRA); /* Frames successfully transmitted */
+ dev->stats.tx_fifo_errors += at91_emac_read(AT91_EMAC_TUE); /* Transmit FIFO underruns */
+ dev->stats.tx_carrier_errors += at91_emac_read(AT91_EMAC_CSE); /* Carrier Sense errors */
+ dev->stats.tx_heartbeat_errors += at91_emac_read(AT91_EMAC_SQEE);/* Heartbeat error */
- lcol = at91_emac_read(AT91_EMAC_LCOL);
+ dev->stats.tx_window_errors += at91_emac_read(AT91_EMAC_LCOL); /* Late collisions */
ecol = at91_emac_read(AT91_EMAC_ECOL);
- lp->stats.tx_window_errors += lcol; /* Late collisions */
- lp->stats.tx_aborted_errors += ecol; /* 16 collisions */
+ dev->stats.tx_aborted_errors += ecol; /* 16 collisions */
- lp->stats.collisions += (at91_emac_read(AT91_EMAC_SCOL) + at91_emac_read(AT91_EMAC_MCOL) + lcol + ecol);
+ dev->stats.collisions += (at91_emac_read(AT91_EMAC_SCOL) + at91_emac_read(AT91_EMAC_MCOL) + ecol);
}
- return &lp->stats;
+ return &dev->stats;
}
/*
@@ -896,16 +894,16 @@ static void at91ether_rx(struct net_devi
skb->protocol = eth_type_trans(skb, dev);
dev->last_rx = jiffies;
- lp->stats.rx_bytes += pktlen;
+ dev->stats.rx_bytes += pktlen;
netif_rx(skb);
}
else {
- lp->stats.rx_dropped += 1;
+ dev->stats.rx_dropped += 1;
printk(KERN_NOTICE "%s: Memory squeeze, dropping packet.\n", dev->name);
}
if (dlist->descriptors[lp->rxBuffIndex].size & EMAC_MULTICAST)
- lp->stats.multicast++;
+ dev->stats.multicast++;
dlist->descriptors[lp->rxBuffIndex].addr &= ~EMAC_DESC_DONE; /* reset ownership bit */
if (lp->rxBuffIndex == MAX_RX_DESCR-1) /* wrap after last buffer */
@@ -934,7 +932,7 @@ static irqreturn_t at91ether_interrupt(i
if (intstatus & AT91_EMAC_TCOM) { /* Transmit complete */
/* The TCOM bit is set even if the transmission failed. */
if (intstatus & (AT91_EMAC_TUND | AT91_EMAC_RTRY))
- lp->stats.tx_errors += 1;
+ dev->stats.tx_errors += 1;
if (lp->skb) {
dev_kfree_skb_irq(lp->skb);
@@ -978,15 +976,22 @@ static int __init at91ether_setup(unsign
struct net_device *dev;
struct at91_private *lp;
unsigned int val;
- int res;
+ struct resource *res;
+ int ret;
DECLARE_MAC_BUF(mac);
dev = alloc_etherdev(sizeof(struct at91_private));
if (!dev)
return -ENOMEM;
- dev->base_addr = AT91_VA_BASE_EMAC;
- dev->irq = AT91RM9200_ID_EMAC;
+ /* Get I/O base address and IRQ */
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ free_netdev(dev);
+ return -ENODEV;
+ }
+ dev->base_addr = res->start;
+ dev->irq = platform_get_irq(pdev, 0);
/* Install the interrupt handler */
if (request_irq(dev->irq, at91ether_interrupt, 0, dev->name, dev)) {
@@ -1043,7 +1048,9 @@ static int __init at91ether_setup(unsign
} else if (machine_is_csb337()) {
/* mix link activity status into LED2 link state */
write_phy(phy_address, MII_LEDCTRL_REG, 0x0d22);
- }
+ } else if (machine_is_ecbat91())
+ write_phy(phy_address, MII_LEDCTRL_REG, 0x156A);
+
disable_mdi();
spin_unlock_irq(&lp->lock);
@@ -1058,12 +1065,12 @@ static int __init at91ether_setup(unsign
lp->phy_address = phy_address; /* MDI address of PHY */
/* Register the network interface */
- res = register_netdev(dev);
- if (res) {
+ ret = register_netdev(dev);
+ if (ret) {
free_irq(dev->irq, dev);
free_netdev(dev);
dma_free_coherent(NULL, sizeof(struct recv_desc_bufs), lp->dlist, (dma_addr_t)lp->dlist_phys);
- return res;
+ return ret;
}
/* Determine current link speed */
@@ -1101,6 +1108,8 @@ static int __init at91ether_setup(unsign
printk(KERN_INFO "%s: National Semiconductor DP83848 PHY\n", dev->name);
else if (phy_type == MII_AC101L_ID)
printk(KERN_INFO "%s: Altima AC101L PHY\n", dev->name);
+ else if (phy_type == MII_KSZ8041_ID)
+ printk(KERN_INFO "%s: Micrel KSZ8041 PHY\n", dev->name);
else if (phy_type == MII_KS8721_ID)
printk(KERN_INFO "%s: Micrel KS8721 PHY\n", dev->name);
else if (phy_type == MII_T78Q21x3_ID)
@@ -1146,6 +1155,7 @@ static int __init at91ether_probe(struct
case MII_DP83847_ID: /* National Semiconductor DP83847: */
case MII_DP83848_ID: /* National Semiconductor DP83848: */
case MII_AC101L_ID: /* Altima AC101L: PHY_ID1 = 0x22, PHY_ID2 = 0x5520 */
+ case MII_KSZ8041_ID: /* Micrel KSZ8041: PHY_ID1 = 0x22, PHY_ID2 = 0x1512 */
case MII_KS8721_ID: /* Micrel KS8721: PHY_ID1 = 0x22, PHY_ID2 = 0x1610 */
case MII_T78Q21x3_ID: /* Teridian 78Q21x3: PHY_ID1 = 0x0E, PHY_ID2 = 7237 */
case MII_LAN83C185_ID: /* SMSC LAN83C185: PHY_ID1 = 0x0007, PHY_ID2 = 0xC0A1 */
@@ -1246,3 +1256,4 @@ module_exit(at91ether_exit)
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("AT91RM9200 EMAC Ethernet driver");
MODULE_AUTHOR("Andrew Victor");
+MODULE_ALIAS("platform:" DRV_NAME);
--- a/drivers/net/arm/at91_ether.h
+++ b/drivers/net/arm/at91_ether.h
@@ -48,6 +48,9 @@
/* Altima AC101L PHY */
#define MII_AC101L_ID 0x00225520
+/* Micrel KSZ8041 PHY */
+#define MII_KSZ8041_ID 0x00221510
+
/* Micrel KS8721 PHY */
#define MII_KS8721_ID 0x00221610
@@ -84,7 +87,6 @@ struct recv_desc_bufs
struct at91_private
{
- struct net_device_stats stats;
struct mii_if_info mii; /* ethtool support */
struct at91_eth_data board_data; /* board-specific configuration */
struct clk *ether_clk; /* clock */
--- /dev/null
+++ b/drivers/net/arm/ks8695_ether.c
@@ -0,0 +1,1009 @@
+/*
+ * Ethernet driver for the Kendin/Micrel KS8695.
+ *
+ * Copyright (C) 2006 Andrew Victor
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/mii.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/dma-mapping.h>
+#include <linux/delay.h>
+#include <linux/ethtool.h>
+#include <linux/platform_device.h>
+
+#include <asm/io.h>
+#include <asm/mach/irq.h>
+#include <asm/uaccess.h>
+#include <asm/arch/regs-wan.h>
+#include <asm/arch/regs-lan.h>
+#include <asm/arch/regs-hpna.h>
+#include <asm/arch/regs-switch.h>
+#include <asm/arch/regs-misc.h>
+
+#include <asm/arch/regs-irq.h>
+
+#include "ks8695_ether.h"
+
+
+#define DRV_NAME "ks8695_ether"
+#define DRV_VERSION "0.01"
+
+/* ..................................................................... */
+
+static inline unsigned long ks8695_read(struct net_device *dev, unsigned int reg)
+{
+ return __raw_readl(dev->base_addr + reg);
+}
+
+static inline void ks8695_write(struct net_device *dev, unsigned int reg, unsigned long value)
+{
+ __raw_writel(value, dev->base_addr + reg);
+}
+
+
+/* ......................... ADDRESS MANAGEMENT ........................ */
+
+#define KS8695_NR_ADDRESSES 16
+
+/*
+ * Add the specified multicast addresses to the Additional Station
+ * Address registers.
+ */
+static void ks8695_set_mcast_address(struct net_device *dev, struct dev_mc_list *addr, int nr_addr)
+{
+ unsigned long low, high;
+ int i;
+
+ /* Set multicast addresses in Additional Station Address registers */
+ for (i = 0; i < nr_addr; i++, addr = addr->next) {
+ if (!addr) break; /* unexpected end of list */
+ else if (i == KS8695_NR_ADDRESSES) break; /* too many addresses */
+
+ low = (addr->dmi_addr[2] << 24) | (addr->dmi_addr[3] << 16) | (addr->dmi_addr[4] << 8) | (addr->dmi_addr[5]);
+ high = (addr->dmi_addr[0] << 8) | (addr->dmi_addr[1]);
+
+ ks8695_write(dev, KS8695_WMAAL_(i), low);
+ ks8695_write(dev, KS8695_WMAAH_(i), WMAAH_E | high);
+ }
+
+ /* Clear the remaining Additional Station Addresses */
+ for (; i < KS8695_NR_ADDRESSES; i++) {
+ ks8695_write(dev, KS8695_WMAAL_(i), 0);
+ ks8695_write(dev, KS8695_WMAAH_(i), 0);
+ }
+}
+
+/*
+ * Enable/Disable promiscuous and multicast modes.
+ */
+static void ks8695eth_set_multi(struct net_device *dev)
+{
+ unsigned long ctrl;
+
+ ctrl = ks8695_read(dev, KS8695_WMDRXC);
+
+ if (dev->flags & IFF_PROMISC) /* enable promiscuous mode */
+ ctrl |= WMDRXC_WMRA;
+ else if (dev->flags & ~IFF_PROMISC) /* disable promiscuous mode */
+ ctrl &= ~WMDRXC_WMRA;
+
+ if (dev->flags & IFF_ALLMULTI) /* enable all multicast mode */
+ ctrl |= WMDRXC_WMRM;
+ else if (dev->mc_count > KS8695_NR_ADDRESSES) /* more specific multicast addresses than can be handled in hardware */
+ ctrl |= WMDRXC_WMRM;
+ else if (dev->mc_count > 0) { /* enable specific multicasts */
+ ctrl &= ~WMDRXC_WMRM;
+ ks8695_set_mcast_address(dev, dev->mc_list, dev->mc_count);
+ }
+ else if (dev->flags & ~IFF_ALLMULTI) { /* disable multicast mode */
+ ctrl &= ~WMDRXC_WMRM;
+ ks8695_set_mcast_address(dev, NULL, 0);
+ }
+
+ ks8695_write(dev, KS8695_WMDRXC, ctrl);
+}
+
+/*
+ * Program the hardware MAC address from dev->dev_addr.
+ */
+static void update_mac_address(struct net_device *dev)
+{
+ unsigned long low, high;
+
+ low = (dev->dev_addr[2] << 24) | (dev->dev_addr[3] << 16) | (dev->dev_addr[4] << 8) | (dev->dev_addr[5]);
+ high = (dev->dev_addr[0] << 8) | (dev->dev_addr[1]);
+
+ ks8695_write(dev, KS8695_WMAL, low);
+ ks8695_write(dev, KS8695_WMAH, high);
+}
+
+/*
+ * Store the new hardware address in dev->dev_addr, and update the MAC.
+ */
+static int ks8695eth_set_mac(struct net_device *dev, void* addr)
+{
+ struct sockaddr *address = addr;
+ DECLARE_MAC_BUF(mac);
+
+ if (!is_valid_ether_addr(address->sa_data))
+ return -EADDRNOTAVAIL;
+
+ memcpy(dev->dev_addr, address->sa_data, dev->addr_len);
+ update_mac_address(dev);
+
+ printk("%s: Setting MAC address to %s\n", dev->name, print_mac(mac, dev->dev_addr));
+
+ return 0;
+}
+
+/*
+ * Retrieve the MAC address set by the bootloader.
+ */
+static void __init get_mac_address(struct net_device *dev)
+{
+ unsigned char addr[6];
+ unsigned long low, high;
+
+ low = ks8695_read(dev, KS8695_WMAL);
+ high = ks8695_read(dev, KS8695_WMAH);
+
+ addr[0] = (high & 0xff00) >> 8;
+ addr[1] = (high & 0xff);
+ addr[2] = (low & 0xff000000) >> 24;
+ addr[3] = (low & 0xff0000) >> 16;
+ addr[4] = (low & 0xff00) >> 8;
+ addr[5] = (low & 0xff);
+
+ if (is_valid_ether_addr(addr))
+ memcpy(dev->dev_addr, &addr, 6);
+}
+
+
+/* ......................... ETHTOOL SUPPORT ........................... */
+
+/*
+ * Get device-specific settings.
+ */
+static int ks8695eth_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ unsigned long ctrl;
+
+ /* the defaults for all ports */
+ cmd->supported = SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full
+ | SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full
+ | SUPPORTED_TP | SUPPORTED_MII;
+ cmd->advertising = ADVERTISED_TP | ADVERTISED_MII;
+ cmd->port = PORT_MII;
+ cmd->transceiver = XCVR_INTERNAL;
+
+ if (dev->base_addr == KS8695_HPNA_VA) {
+ cmd->phy_address = 0;
+ cmd->autoneg = AUTONEG_DISABLE; /* not supported for HPNA */
+
+ ctrl = __raw_readl(KS8695_MISC_VA + KS8695_HMC);
+ cmd->speed = (ctrl & HMC_HSS) ? SPEED_100 : SPEED_10;
+ cmd->duplex = (ctrl & HMC_HDS) ? DUPLEX_FULL : DUPLEX_HALF;
+ }
+ else if (dev->base_addr == KS8695_WAN_VA) {
+ cmd->supported |= (SUPPORTED_Autoneg | SUPPORTED_Pause);
+ cmd->phy_address = 0;
+
+ ctrl = __raw_readl(KS8695_MISC_VA + KS8695_WMC);
+ if ((ctrl & WMC_WAND) == 0) { /* auto-negotiation is enabled */
+ cmd->advertising |= ADVERTISED_Autoneg;
+ if (ctrl & WMC_WANA100F)
+ cmd->advertising |= ADVERTISED_100baseT_Full;
+ if (ctrl & WMC_WANA100H)
+ cmd->advertising |= ADVERTISED_100baseT_Half;
+ if (ctrl & WMC_WANA10F)
+ cmd->advertising |= ADVERTISED_10baseT_Full;
+ if (ctrl & WMC_WANA10H)
+ cmd->advertising |= ADVERTISED_10baseT_Half;
+ if (ctrl & WMC_WANAP)
+ cmd->advertising |= ADVERTISED_Pause;
+ cmd->autoneg = AUTONEG_ENABLE;
+
+ cmd->speed = (ctrl & WMC_WSS) ? SPEED_100 : SPEED_10;
+ cmd->duplex = (ctrl & WMC_WDS) ? DUPLEX_FULL : DUPLEX_HALF;
+ }
+ else { /* auto-negotiation is disabled */
+ cmd->autoneg = AUTONEG_DISABLE;
+
+ cmd->speed = (ctrl & WMC_WANF100) ? SPEED_100 : SPEED_10;
+ cmd->duplex = (ctrl & WMC_WANFF) ? DUPLEX_FULL : DUPLEX_HALF;
+ }
+ }
+ else if (dev->base_addr == KS8695_LAN_VA) {
+ // TODO: Implement for Switch ports
+ }
+
+ return 0;
+}
+
+/*
+ * Set device-specific settings.
+ */
+static int ks8695eth_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+ unsigned long ctrl;
+
+ if ((cmd->speed != SPEED_10) && (cmd->speed != SPEED_100))
+ return -EINVAL;
+ if ((cmd->duplex != DUPLEX_HALF) && (cmd->duplex != DUPLEX_FULL))
+ return -EINVAL;
+ if (cmd->port != PORT_MII)
+ return -EINVAL;
+ if (cmd->transceiver != XCVR_INTERNAL)
+ return -EINVAL;
+ if ((cmd->autoneg != AUTONEG_DISABLE) && (cmd->autoneg != AUTONEG_ENABLE))
+ return -EINVAL;
+
+ if (cmd->autoneg == AUTONEG_ENABLE) {
+ if ((cmd->advertising & (ADVERTISED_10baseT_Half |
+ ADVERTISED_10baseT_Full |
+ ADVERTISED_100baseT_Half |
+ ADVERTISED_100baseT_Full)) == 0)
+ return -EINVAL;
+
+ if (dev->base_addr == KS8695_HPNA_VA)
+ return -EINVAL; /* HPNA does not support auto-negotiation. */
+ else if (dev->base_addr == KS8695_WAN_VA) {
+ ctrl = __raw_readl(KS8695_MISC_VA + KS8695_WMC);
+
+ ctrl &= ~(WMC_WAND | WMC_WANA100F | WMC_WANA100H | WMC_WANA10F | WMC_WANA10H);
+ if (cmd->advertising & ADVERTISED_100baseT_Full)
+ ctrl |= WMC_WANA100F;
+ if (cmd->advertising & ADVERTISED_100baseT_Half)
+ ctrl |= WMC_WANA100H;
+ if (cmd->advertising & ADVERTISED_10baseT_Full)
+ ctrl |= WMC_WANA10F;
+ if (cmd->advertising & ADVERTISED_10baseT_Half)
+ ctrl |= WMC_WANA10H;
+
+ ctrl |= WMC_WANR; /* force a re-negotiation */
+ __raw_writel(ctrl, KS8695_MISC_VA + KS8695_WMC);
+ }
+ else if (dev->base_addr == KS8695_LAN_VA) {
+ // TODO: Implement for Switch ports
+ }
+
+ }
+ else {
+ if (dev->base_addr == KS8695_HPNA_VA) {
+ ctrl = __raw_readl(KS8695_MISC_VA + KS8695_HMC);
+
+ ctrl &= ~(HMC_HSS | HMC_HDS);
+ if (cmd->speed == SPEED_100)
+ ctrl |= HMC_HSS;
+ if (cmd->duplex == DUPLEX_FULL)
+ ctrl |= HMC_HDS;
+
+ __raw_writel(ctrl, KS8695_MISC_VA + KS8695_HMC);
+ }
+ else if (dev->base_addr == KS8695_WAN_VA) {
+ ctrl = __raw_readl(KS8695_MISC_VA + KS8695_WMC);
+
+ ctrl |= WMC_WAND; /* disable auto-negotiation */
+ ctrl &= ~(WMC_WANF100 | WMC_WANFF);
+ if (cmd->speed == SPEED_100)
+ ctrl |= WMC_WANF100;
+ if (cmd->duplex == DUPLEX_FULL)
+ ctrl |= WMC_WANFF;
+
+ __raw_writel(ctrl, KS8695_MISC_VA + KS8695_WMC);
+ }
+ else if (dev->base_addr == KS8695_LAN_VA) {
+ // TODO: Implement for Switch ports
+ }
+ }
+
+ return 0;
+}
+
+/*
+ * Restart the auto-negotiation.
+ */
+static int ks8695eth_nwayreset(struct net_device *dev)
+{
+ unsigned long ctrl;
+
+ if (dev->base_addr == KS8695_HPNA_VA) /* HPNA has no auto-negotiation */
+ return -EINVAL;
+ else if (dev->base_addr == KS8695_WAN_VA) {
+ ctrl = __raw_readl(KS8695_MISC_VA + KS8695_WMC);
+
+ if ((ctrl & WMC_WAND) == 0)
+ __raw_writel(ctrl | WMC_WANR, KS8695_MISC_VA + KS8695_WMC);
+ else
+ return -EINVAL; /* auto-negitiation not enabled */
+ }
+ else if (dev->base_addr == KS8695_LAN_VA) {
+ // TODO: Implement for Switch ports
+ }
+
+ return 0;
+}
+
+static void ks8695eth_get_pause(struct net_device *dev, struct ethtool_pauseparam *param)
+{
+ unsigned long ctrl;
+
+ if (dev->base_addr == KS8695_HPNA_VA)
+ return;
+ else if (dev->base_addr == KS8695_WAN_VA) {
+ ctrl = __raw_readl(KS8695_MISC_VA + KS8695_WMC); /* advertise Pause */
+ param->autoneg = (ctrl & WMC_WANAP);
+
+ ctrl = ks8695_read(dev, KS8695_WMDRXC); /* current Tx Flow-control */
+ param->rx_pause = (ctrl & WMDRXC_WMRFCE);
+
+ ctrl = ks8695_read(dev, KS8695_WMDRXC); /* current Rx Flow-control */
+ param->tx_pause = (ctrl & WMDTXC_WMTFCE);
+ }
+ else if (dev->base_addr == KS8695_LAN_VA) {
+ // TODO: Implement for Switch ports
+ }
+}
+
+static int ks8695eth_set_pause(struct net_device *dev, struct ethtool_pauseparam *param)
+{
+ // TODO.
+
+ return 0;
+}
+
+static u32 ks8695eth_get_link(struct net_device *dev)
+{
+ unsigned long ctrl;
+
+ if (dev->base_addr == KS8695_HPNA_VA)
+ return 1; /* HPNA always has link */
+ else if (dev->base_addr == KS8695_WAN_VA) {
+ ctrl = __raw_readl(KS8695_MISC_VA + KS8695_WMC);
+ return (ctrl & WMC_WLS);
+ }
+ else if (dev->base_addr == KS8695_LAN_VA) {
+ // TODO: Implement for Switch ports
+ }
+
+ return 0;
+}
+
+/*
+ * Report driver information.
+ */
+static void ks8695eth_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
+{
+ strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
+ strlcpy(info->version, DRV_VERSION, sizeof(info->version));
+ strlcpy(info->bus_info, dev->dev.parent->bus_id, sizeof(info->bus_info));
+}
+
+static struct ethtool_ops ks8695eth_ethtool_ops = {
+ .get_settings = ks8695eth_get_settings,
+ .set_settings = ks8695eth_set_settings,
+ .get_drvinfo = ks8695eth_get_drvinfo,
+ .nway_reset = ks8695eth_nwayreset,
+ .get_pauseparam = ks8695eth_get_pause,
+ .set_pauseparam = ks8695eth_set_pause,
+ .get_link = ks8695eth_get_link,
+};
+
+
+/* ................................ MAC ................................ */
+
+/*
+ * Setup the RX DMA descriptors, and enable and start the DMA receiver.
+ */
+static void ks8695eth_start_rx(struct net_device *dev)
+{
+ struct ks8695eth_priv *lp = (struct ks8695eth_priv *) dev->priv;
+ unsigned long ctrl;
+ int i;
+
+ /* Setup the DMA descriptors */
+ for (i = 0; i < MAX_RX_DESC; i++) {
+ lp->rxdma[i].length = MAX_RXBUF_SIZE;
+ lp->rxdma[i].addr = (unsigned long) lp->rxSkb[i].dma;
+ lp->rxdma[i].next = (unsigned long) lp->rxdma_phys + (sizeof(struct rx_descriptor) * (i+1));
+ lp->rxdma[i].status = RDES_OWN;
+ }
+
+ /* Create ring of DMA descriptors */
+ lp->rxdma[MAX_RX_DESC-1].next = (unsigned long) lp->rxdma_phys; /* phys address of 1st descriptor */
+
+ /* Reset receive index (since hardware was reset) */
+ lp->rx_idx = 0;
+
+ /* Program address of 1st descriptor in KS8695 */
+ ks8695_write(dev, KS8695_WRDLB, (unsigned long) lp->rxdma_phys);
+
+ /* Enable and start the DMA Receiver */
+ ctrl = ks8695_read(dev, KS8695_WMDRXC);
+ ks8695_write(dev, KS8695_WMDRXC, ctrl | WMDRXC_WMRE);
+ ks8695_write(dev, KS8695_WMDRSC, 0);
+}
+
+/*
+ * Stop the DMA receiver.
+ */
+static void ks8695eth_stop_rx(struct net_device *dev)
+{
+ unsigned long ctrl;
+
+ /* Disable receive DMA */
+ ctrl = ks8695_read(dev, KS8695_WMDRXC);
+ ks8695_write(dev, KS8695_WMDRXC, ctrl & ~WMDRXC_WMRE);
+}
+
+/*
+ * Setup the TX DMA descriptors, and enable DMA transmitter.
+ */
+static void ks8695eth_start_tx(struct net_device *dev)
+{
+ struct ks8695eth_priv *lp = (struct ks8695eth_priv *) dev->priv;
+ unsigned long ctrl;
+ int i;
+
+ /* Setup the DMA descriptors */
+ for (i = 0; i < MAX_TX_DESC; i++) {
+ lp->txdma[i].ownership = 0;
+ lp->txdma[i].status = 0;
+ lp->txdma[i].addr = 0;
+ lp->txdma[i].next = (unsigned long) lp->txdma_phys + (sizeof(struct tx_descriptor) * (i+1));
+ }
+
+ /* Create ring of DMA descriptors */
+ lp->txdma[MAX_TX_DESC-1].next = (unsigned long) lp->txdma_phys; /* phys address of 1st desc */
+
+ /* Reset transmit indexes (since hardware was reset) */
+ lp->tx_head = 0;
+ lp->tx_tail = 0;
+
+ /* Program address of 1st descriptor in KS8695 */
+ ks8695_write(dev, KS8695_WTDLB, (unsigned long) lp->txdma_phys);
+
+ /* Enable the DMA transmitter (will be started on first packet) */
+ ctrl = ks8695_read(dev, KS8695_WMDTXC);
+ ks8695_write(dev, KS8695_WMDTXC, ctrl | WMDTXC_WMTE);
+}
+
+/*
+ * Stop the DMA transmitter.
+ */
+static void ks8695eth_stop_tx(struct net_device *dev)
+{
+ struct ks8695eth_priv *lp = (struct ks8695eth_priv *) dev->priv;
+ unsigned long ctrl;
+ int i;
+
+ /* Disable transmit DMA */
+ ctrl = ks8695_read(dev, KS8695_WMDTXC);
+ ks8695_write(dev, KS8695_WMDTXC, ctrl & ~WMDTXC_WMTE);
+
+ /* Clear any pending skb's still on transmit queue */
+ for (i = 0; i < MAX_TX_DESC; i++) {
+ lp->txdma[i].ownership = 0;
+ lp->txdma[i].status = 0;
+ lp->txdma[i].addr = 0;
+
+ if (lp->txSkb[i].skb) {
+ dma_unmap_single(lp->dev, lp->txSkb[i].dma, lp->txSkb[i].length, DMA_TO_DEVICE);
+ dev_kfree_skb_irq(lp->txSkb[i].skb);
+ lp->txSkb[i].skb = NULL;
+ }
+ }
+}
+
+/*
+ * Reset the MAC hardware.
+ */
+static void ks8695eth_hw_reset(struct net_device *dev)
+{
+ /* Perform hardware reset */
+ ks8695_write(dev, KS8695_WMDTXC, WMDTXC_WMTRST);
+ while (ks8695_read(dev, KS8695_WMDTXC) & WMDTXC_WMTRST) { barrier(); }
+
+ /* Initialize the hardware */
+ ks8695_write(dev, KS8695_WMDRXC, WMDRXC_WMRU | WMDRXC_WMRB); /* RX: receive Unicast & Broadcast */
+ ks8695_write(dev, KS8695_WMDTXC, WMDTXC_WMTEP | WMDTXC_WMTAC); /* TX: add Padding & CRC */
+
+ // TODO: Can set Rx/Tx PBL: (Micrel using 8)
+ // TODO: Enable hardware checksumming.
+ // TODO: Enable Rx/Tx flow-control
+}
+
+/*
+ * Enable or Disable the IRQs associated with a network interface.
+ */
+static void ks8695eth_set_irq(struct net_device *dev, short enable)
+{
+ struct ks8695eth_priv *lp = (struct ks8695eth_priv *) dev->priv;
+ int i;
+
+ for (i = 0; i < NR_IRQS; i++) {
+ if (lp->irqs & (1 << i)) {
+ if (enable)
+ enable_irq(i);
+ else
+ disable_irq(i);
+ }
+ }
+}
+
+/*
+ * Open the ethernet interface.
+ */
+static int ks8695eth_open(struct net_device *dev)
+{
+ if (!is_valid_ether_addr(dev->dev_addr))
+ return -EADDRNOTAVAIL;
+
+ /* MUST reset hardware in _open() */
+ ks8695eth_hw_reset(dev);
+
+ /* Update the MAC address (incase user has changed it) */
+ update_mac_address(dev);
+
+ /* Start DMA */
+ ks8695eth_start_tx(dev);
+ ks8695eth_start_rx(dev);
+
+ /* Enable interrupts */
+ ks8695eth_set_irq(dev, 1);
+
+ netif_start_queue(dev);
+ return 0;
+}
+
+/*
+ * Close the ethernet interface.
+ */
+static int ks8695eth_close(struct net_device *dev)
+{
+ /* Stop DMA */
+ ks8695eth_stop_rx(dev);
+ ks8695eth_stop_tx(dev);
+
+ /* Disable interrupts */
+ ks8695eth_set_irq(dev, 0);
+
+ netif_stop_queue(dev);
+ return 0;
+}
+
+/*
+ * Return the current statistics.
+ */
+static struct net_device_stats *ks8695eth_stats(struct net_device *dev)
+{
+ return &dev->stats;
+}
+
+/*
+ * Queue a packet for transmission in next TX DMA descriptor.
+ */
+static int ks8695eth_xmit_frame(struct sk_buff *skb, struct net_device *dev)
+{
+ struct ks8695eth_priv *lp = (struct ks8695eth_priv *) dev->priv;
+ int i;
+
+ /* Packets are added to head of array */
+ i = lp->tx_head;
+
+ /* Store packet information */
+ lp->txSkb[i].skb = skb;
+ lp->txSkb[i].length = skb->len;
+ lp->txSkb[i].dma = dma_map_single(lp->dev, skb->data, skb->len, DMA_TO_DEVICE);
+
+ spin_lock_irq(&lp->tx_lock);
+
+ /* Set Tx descriptor information */
+ lp->txdma[i].addr = lp->txSkb[i].dma;
+ lp->txdma[i].status = TDES_IC | TDES_FS | TDES_LS | (lp->txSkb[i].length & TDES_TBS);
+ lp->txdma[i].ownership = TDES_OWN;
+
+ /* Start the DMA transmitter (if necessary) */
+ ks8695_write(dev, KS8695_WMDTSC, 0);
+
+ lp->tx_head = (lp->tx_head + 1) % MAX_TX_DESC;
+ if (lp->tx_head == lp->tx_tail) /* no more descriptors */
+ netif_stop_queue(dev);
+
+ spin_unlock_irq(&lp->tx_lock);
+
+ dev->trans_start = jiffies;
+ return 0;
+}
+
+/* ..................................................................... */
+
+/*
+ * The link state of the WAN port has changed.
+ * (Called from interrupt context)
+ */
+static void ks8695eth_wan_link(struct net_device *dev)
+{
+ unsigned long ctrl;
+
+ ctrl = __raw_readl(KS8695_MISC_VA + KS8695_WMC);
+ if (ctrl & WMC_WLS) {
+ netif_carrier_on(dev);
+ printk(KERN_INFO "%s: Link is now %s-%s\n", dev->name,
+ (ctrl & WMC_WSS) ? "100" : "10",
+ (ctrl & WMC_WDS) ? "FullDuplex" : "HalfDuplex");
+ }
+ else {
+ netif_carrier_off(dev);
+ printk(KERN_INFO "%s: Link down.\n", dev->name);
+ }
+}
+
+/* ..................................................................... */
+
+/*
+ * A frame has been received. Exteract from buffer descriptor and deliver to
+ * upper layers.
+ * (Called from interrupt context)
+ */
+static void ks8695eth_rx_interrupt(struct net_device *dev)
+{
+ struct ks8695eth_priv *lp = (struct ks8695eth_priv *) dev->priv;
+ struct sk_buff *skb;
+ unsigned long flags;
+ unsigned int pktlen;
+
+ while (!(lp->rxdma[lp->rx_idx].status & RDES_OWN)) {
+ flags = lp->rxdma[lp->rx_idx].status;
+
+ if ((flags & (RDES_FS | RDES_LS)) != (RDES_FS | RDES_LS)) {
+ printk(KERN_ERR "%s: Spanning packet detected\n", dev->name);
+ goto rx_complete;
+ }
+
+ /* handle errors */
+ if (flags & (RDES_ES | RDES_RE)) {
+ dev->stats.rx_errors++;
+
+ if (flags & RDES_TL) /* Frame too long */
+ dev->stats.rx_length_errors++;
+ else if (flags & RDES_RF) /* Runt frame */
+ dev->stats.rx_length_errors++;
+ else if (flags & RDES_CE) /* CRC error */
+ dev->stats.rx_crc_errors++;
+ else if (flags & RDES_RE) /* MII error */
+ dev->stats.rx_missed_errors++;
+ // TODO: If hardware checksumming, then check IP/TCP/UDP errors.
+
+ goto rx_complete;
+ }
+
+ pktlen = flags & RDES_FLEN;
+ pktlen = pktlen - 4; /* remove CRC */
+
+ // OLD CALL: consistent_sync(lp->rxSkb[lp->rx_idx].skb->data, MAX_RXBUF_SIZE, DMA_FROM_DEVICE);
+ dma_sync_single_for_cpu(lp->dev, lp->rxSkb[lp->rx_idx].dma, MAX_RXBUF_SIZE, DMA_FROM_DEVICE);
+
+ skb = dev_alloc_skb(pktlen+2); /* +2 to align IP header */
+ if (!skb) {
+ dev->stats.rx_dropped++;
+ printk(KERN_NOTICE "%s: Memory squeeze, dropping packet.\n", dev->name);
+ goto rx_complete;
+ }
+
+ skb_reserve(skb, 2); /* align IP header */
+ memcpy(skb_put(skb, pktlen), lp->rxSkb[lp->rx_idx].skb->data, pktlen);
+
+ skb->protocol = eth_type_trans(skb, dev);
+ netif_rx(skb);
+
+ /* update statistics */
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += pktlen;
+ if (flags & RDES_MF)
+ dev->stats.multicast++;
+ dev->last_rx = jiffies;
+
+rx_complete:
+ lp->rxdma[lp->rx_idx].status = RDES_OWN; /* reset ownership bit */
+
+ lp->rx_idx = (lp->rx_idx + 1) % MAX_RX_DESC; /* next descriptor */
+ }
+
+ /* restart DMA receiver incase it was suspended */
+ ks8695_write(dev, KS8695_WMDRSC, 0);
+}
+
+/*
+ * A packet has been transmitted.
+ * (Called from interrupt context)
+ */
+static void ks8695eth_tx_interrupt(struct net_device *dev)
+{
+ struct ks8695eth_priv *lp = (struct ks8695eth_priv *) dev->priv;
+ int i;
+
+ /* Packets are removed from tail of array */
+ i = lp->tx_tail;
+
+ // TODO: Loop through multiple times?
+
+ if (lp->txSkb[i].skb) {
+ /* update statistics */
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += lp->txSkb[i].length;
+
+ /* free packet */
+ dma_unmap_single(lp->dev, lp->txSkb[i].dma, lp->txSkb[i].length, DMA_TO_DEVICE);
+ dev_kfree_skb_irq(lp->txSkb[i].skb);
+ lp->txSkb[i].skb = NULL;
+
+ /* Not necessary to clear descriptor since we still own it */
+ }
+
+ lp->tx_tail = (lp->tx_tail + 1) % MAX_TX_DESC;
+
+ netif_wake_queue(dev);
+}
+
+/*
+ * MAC interrupt handler
+ */
+static irqreturn_t ks8695eth_interrupt(int irq, void *dev_id)
+{
+ struct net_device *dev = (struct net_device *) dev_id;
+
+ switch (irq) {
+ case KS8695_IRQ_LAN_RX_STATUS:
+ case KS8695_IRQ_HPNA_RX_STATUS:
+ case KS8695_IRQ_WAN_RX_STATUS:
+ ks8695eth_rx_interrupt(dev);
+ return IRQ_HANDLED;
+
+ case KS8695_IRQ_LAN_TX_STATUS:
+ case KS8695_IRQ_HPNA_TX_STATUS:
+ case KS8695_IRQ_WAN_TX_STATUS:
+ ks8695eth_tx_interrupt(dev);
+ return IRQ_HANDLED;
+
+ case KS8695_IRQ_WAN_LINK:
+ ks8695eth_wan_link(dev);
+ return IRQ_HANDLED;
+
+ default:
+ return IRQ_NONE;
+ }
+}
+
+
+/* ..................................................................... */
+
+/*
+ * Initialize the WAN hardware to known defaults.
+ */
+static void __init ks8695eth_init_wan(void)
+{
+ unsigned long ctrl;
+
+ /* Support auto-negotiation */
+ ctrl = WMC_WANAP | WMC_WANA100F | WMC_WANA100H | WMC_WANA10F | WMC_WANA10H;
+
+ /* LED0 = Activity , LED1 = Link */
+ ctrl |= (WLED0S_ACTIVITY | WLED1S_LINK);
+
+ /* Restart Auto-negotiation */
+ ctrl |= WMC_WANR;
+
+ __raw_writel(ctrl, KS8695_MISC_VA + KS8695_WMC);
+
+ __raw_writel(0, KS8695_MISC_VA + KS8695_WPPM);
+ __raw_writel(0, KS8695_MISC_VA + KS8695_PPS);
+}
+
+/*
+ * Initialize the LAN Switch hardware to known defaults.
+ */
+static void __init ks8695eth_init_switch(void)
+{
+ unsigned long ctrl;
+
+ ctrl = 0x40819e00; /* default */
+
+ /* LED0 = Speed LED1 = Link/Activity */
+ ctrl &= ~(SEC0_LLED1S | SEC0_LLED0S);
+ ctrl |= (LLED0S_LINK | LLED1S_LINK_ACTIVITY);
+
+ /* Enable Switch */
+ ctrl |= SEC0_ENABLE;
+
+ __raw_writel(ctrl, KS8695_SWITCH_VA + KS8695_SEC0);
+
+ __raw_writel(0x9400100, KS8695_SWITCH_VA + KS8695_SEC1); /* reset defaults */
+}
+
+static int ks8695eth_hook_irqs(struct platform_device *pdev, struct net_device *dev, unsigned long *irqset)
+{
+ struct resource *res;
+ int i = 0, ret;
+
+ while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, i))) {
+ set_irq_flags(res->start, IRQF_VALID | IRQF_NOAUTOEN);
+
+ ret = request_irq(res->start, ks8695eth_interrupt, IRQF_DISABLED | IRQF_SHARED, res->name, dev);
+ if (ret) {
+ printk(KERN_ERR "%s: return_irq %u failed\n", dev->name, res->start);
+ return -EBUSY;
+ }
+
+ *irqset |= (1 << res->start);
+
+ // TODO: Can set different priorities for interrupts [0x BB AA FF].
+
+ i++;
+ }
+
+ return 0;
+}
+
+static int __init ks8695eth_probe(struct platform_device *pdev)
+{
+ struct net_device *dev;
+ struct ks8695eth_priv *lp;
+ struct resource *res;
+ int i = 0, ret, size;
+ DECLARE_MAC_BUF(mac);
+
+ /* Create ethernet device */
+ dev = alloc_etherdev(sizeof(struct ks8695eth_priv));
+ if (!dev)
+ return -ENOMEM;
+
+ /* Get I/O base address */
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ free_netdev(dev);
+ return -ENODEV;
+ }
+ dev->base_addr = res->start;
+
+ lp = (struct ks8695eth_priv *) dev->priv;
+
+ /* Retreive MAC address before the MAC registers are reset */
+ get_mac_address(dev);
+
+ /* Reset the hardware */
+ ks8695_write(dev, KS8695_WMDTXC, WMDTXC_WMTRST);
+ while (ks8695_read(dev, KS8695_WMDTXC) & WMDTXC_WMTRST) { barrier(); }
+
+ /* Get IRQ's */
+ dev->irq = platform_get_irq(pdev, 0);
+ ret = ks8695eth_hook_irqs(pdev, dev, &lp->irqs);
+ if (ret) {
+ // Cleanup.
+ }
+
+ /* Allocate DMA-able memory for Tx descriptor */
+ size = sizeof(struct tx_descriptor) * MAX_TX_DESC;
+ lp->txdma = dma_alloc_coherent(&pdev->dev, size, &lp->txdma_phys, GFP_KERNEL);
+ if (lp->txdma == NULL) {
+ // free IRQs
+ free_netdev(dev);
+ return -ENOMEM;
+ }
+ memset(lp->txdma, 0, size);
+ lp->tx_head = 0;
+ lp->tx_tail = 0;
+
+ /* Allocate DMA-able memory for Rx descriptor */
+ size = sizeof(struct rx_descriptor) * MAX_RX_DESC;
+ lp->rxdma = dma_alloc_coherent(&pdev->dev, size, &lp->rxdma_phys, GFP_KERNEL);
+ if (lp->rxdma == NULL) {
+ // free IRQs
+ // Free TX descriptor memory.
+ free_netdev(dev);
+ return -ENOMEM;
+ }
+ memset(lp->rxdma, 0, size);
+ lp->rx_idx = 0;
+
+ /* Allocate DMA-able memory for Rx Data */
+ for (i = 0; i < MAX_RX_DESC; i++) {
+ lp->rxSkb[i].skb = alloc_skb(MAX_RXBUF_SIZE, GFP_KERNEL);
+ if (lp->rxSkb[i].skb == NULL) {
+ // Cleanup
+ return -ENOMEM;
+ }
+ lp->rxSkb[i].length = MAX_RXBUF_SIZE;
+ lp->rxSkb[i].dma = dma_map_single(&pdev->dev, lp->rxSkb[i].skb->data, MAX_RXBUF_SIZE, DMA_FROM_DEVICE);
+ }
+
+ spin_lock_init(&lp->tx_lock);
+
+ platform_set_drvdata(pdev, dev);
+
+ ether_setup(dev);
+ dev->open = ks8695eth_open;
+ dev->stop = ks8695eth_close;
+ dev->hard_start_xmit = ks8695eth_xmit_frame;
+ dev->get_stats = ks8695eth_stats;
+ dev->set_multicast_list = ks8695eth_set_multi;
+ dev->set_mac_address = ks8695eth_set_mac;
+ dev->ethtool_ops = &ks8695eth_ethtool_ops;
+
+ SET_NETDEV_DEV(dev, &pdev->dev);
+ lp->dev = &pdev->dev;
+
+ if (dev->base_addr == KS8695_WAN_VA)
+ ks8695eth_init_wan();
+ else if (dev->base_addr == KS8695_LAN_VA)
+ ks8695eth_init_switch();
+
+ /* Register the network interface */
+ ret = register_netdev(dev);
+ if (ret) {
+ // free IRQs
+ free_netdev(dev);
+// dma_free_coherent(&pdev->dev, sizeof(struct ks8695_tx_dma), lp->txdma, lp->txdma_phys);
+// dma_free_coherent(&pdev->dev, sizeof(struct ks8695_rx_dma), lp->rxdma, lp->rxdma_phys);
+ return ret;
+ }
+
+ printk(KERN_INFO "%s: KS8695 ethernet (%s)\n", dev->name, print_mac(mac, dev->dev_addr));
+
+ return 0;
+}
+
+static int __devexit ks8695eth_remove(struct platform_device *pdev)
+{
+ struct net_device *dev = platform_get_drvdata(pdev);
+// struct ks8695eth_priv *lp = (struct ks8695eth_priv *) dev->priv;
+
+ unregister_netdev(dev);
+
+ // Free IRQ
+// dma_free_coherent(&pdev->dev, sizeof(struct ks8695_tx_dma), lp->txdma, lp->txdma_phys);
+// dma_free_coherent(&pdev->dev, sizeof(struct ks8695_rx_dma), lp->rxdma, lp->rxdma_phys);
+
+ platform_set_drvdata(pdev, NULL);
+ free_netdev(dev);
+ return 0;
+}
+
+static struct platform_driver ks8695ether_driver = {
+ .probe = ks8695eth_probe,
+ .remove = __devexit_p(ks8695eth_remove),
+// .suspend =
+// .resume =
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+};
+
+
+static int __init ks8695eth_init(void)
+{
+ return platform_driver_register(&ks8695ether_driver);
+}
+
+static void __exit ks8695eth_exit(void)
+{
+ platform_driver_unregister(&ks8695ether_driver);
+}
+
+module_init(ks8695eth_init);
+module_exit(ks8695eth_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("KS8695 Ethernet driver");
+MODULE_AUTHOR("Andrew Victor");
+MODULE_ALIAS("platform:" DRV_NAME);
--- /dev/null
+++ b/drivers/net/arm/ks8695_ether.h
@@ -0,0 +1,92 @@
+/*
+ * Ethernet driver for the Micrel/Kendin KS8695 (Centaur)
+ *
+ * (C) 2006 Andrew Victor
+ *
+ */
+
+#ifndef KS8695_ETHERNET
+#define KS8695_ETHERNET
+
+/* .... Hardware Descriptors ................................................ */
+
+struct rx_descriptor {
+ unsigned long status;
+ unsigned long length;
+ unsigned long addr;
+ unsigned long next;
+};
+
+#define RDES_OWN (1 << 31) /* Ownership */
+#define RDES_FS (1 << 30) /* First Descriptor */
+#define RDES_LS (1 << 29) /* Last Descriptor */
+#define RDES_IPE (1 << 28) /* IP Checksum error */
+#define RDES_TCPE (1 << 27) /* TCP Checksum error */
+#define RDES_UDPE (1 << 26) /* UDP Checksum error */
+#define RDES_ES (1 << 25) /* Error summary */
+#define RDES_MF (1 << 24) /* Multicast Frame */
+#define RDES_RE (1 << 19) /* MII Error reported */
+#define RDES_TL (1 << 18) /* Frame too Long */
+#define RDES_RF (1 << 17) /* Runt Frame */
+#define RDES_CE (1 << 16) /* CRC error */
+#define RDES_FT (1 << 15) /* Frame Type */
+#define RDES_FLEN (0x7ff) /* Frame Length */
+
+#define RDES_RER (1 << 25) /* Receive End of Ring */
+#define RDES_RBS (0x7ff) /* Receive Buffer Size */
+
+
+struct tx_descriptor {
+ unsigned long ownership;
+ unsigned long status;
+ unsigned long addr;
+ unsigned long next;
+};
+
+#define TDES_OWN (1 << 31) /* Ownership */
+
+#define TDES_IC (1 << 31) /* Interrupt on Completion */
+#define TDES_FS (1 << 30) /* First Segment */
+#define TDES_LS (1 << 29) /* Last Segment */
+#define TDES_IPCKG (1 << 28) /* IP Checksum generate */
+#define TDES_TCPCKG (1 << 27) /* TCP Checksum generate */
+#define TDES_UDPCKG (1 << 26) /* UDP Checksum generate */
+#define TDES_TER (1 << 25) /* Transmit End of Ring */
+#define TDES_TBS (0x7ff) /* Transmit Buffer Size */
+
+
+/* .... ..................................................................... */
+
+#define MAX_RX_DESC 16 /* number of receive descriptors */
+#define MAX_TX_DESC 8 /* number of transmit descriptors */
+#define MAX_RXBUF_SIZE 0x600 /* 1518 rounded-up */
+
+struct ks8695_buffer
+{
+ struct sk_buff *skb;
+ dma_addr_t dma;
+ unsigned long length;
+};
+
+
+struct ks8695eth_priv
+{
+ struct device *dev;
+ unsigned long irqs; /* IRQ bitset */
+
+ /* Transmit */
+ struct tx_descriptor *txdma; /* Tx DMA descriptors */
+ dma_addr_t txdma_phys; /* TX DMA descriptors (phys address) */
+ unsigned int tx_head; /* descriptor index (add) */
+ unsigned int tx_tail; /* descriptor index (remove) */
+ spinlock_t tx_lock;
+ struct ks8695_buffer txSkb[MAX_TX_DESC]; /* packets being transmitted */
+
+ /* Receive */
+ struct rx_descriptor *rxdma; /* Rx DMA descriptors */
+ dma_addr_t rxdma_phys; /* Rx DMA descriptors (phys address) */
+ unsigned int rx_idx; /* descriptor index */
+ struct ks8695_buffer rxSkb[MAX_RX_DESC];
+};
+
+#endif
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -487,12 +487,12 @@ config RTC_DRV_AT91RM9200
this is powered by the backup power supply.
config RTC_DRV_AT91SAM9
- tristate "AT91SAM9x"
+ tristate "AT91SAM9x or AT91CAP9"
depends on ARCH_AT91 && !(ARCH_AT91RM9200 || ARCH_AT91X40)
help
- RTC driver for the Atmel AT91SAM9x internal RTT (Real Time Timer).
- These timers are powered by the backup power supply (such as a
- small coin cell battery), but do not need to be used as RTCs.
+ RTC driver for the Atmel AT91SAM9x and AT91CAP9 internal RTT (Real
+ Time Timer). These timers are powered by the backup power supply
+ (such as a small coin cell battery), but do not need to be used as RTCs.
(On AT91SAM9rl chips you probably want to use the dedicated RTC
module and leave the RTT available for other uses.)
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -29,9 +29,6 @@
#include <linux/completion.h>
#include <asm/uaccess.h>
-#include <asm/rtc.h>
-
-#include <asm/mach/time.h>
#include <asm/arch/at91_rtc.h>
@@ -307,12 +304,6 @@ static int __init at91_rtc_probe(struct
return ret;
}
- /* cpu init code should really have flagged this device as
- * being wake-capable; if it didn't, do that here.
- */
- if (!device_can_wakeup(&pdev->dev))
- device_init_wakeup(&pdev->dev, 1);
-
rtc = rtc_device_register(pdev->name, &pdev->dev,
&at91_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc)) {
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -21,6 +21,7 @@
#include <asm/mach/time.h>
#include <asm/arch/board.h>
+#include <asm/arch/cpu.h>
#include <asm/arch/at91_rtt.h>
@@ -150,6 +151,9 @@ static int at91_rtc_settime(struct devic
return 0;
}
+/*
+ * Read alarm time and date in RTC
+ */
static int at91_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
{
struct sam9_rtc *rtc = dev_get_drvdata(dev);
@@ -176,6 +180,9 @@ static int at91_rtc_readalarm(struct dev
return 0;
}
+/*
+ * Set alarm time and date in RTC
+ */
static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
{
struct sam9_rtc *rtc = dev_get_drvdata(dev);
@@ -321,10 +328,6 @@ static int __init at91_rtc_probe(struct
if (!rtc)
return -ENOMEM;
- /* platform setup code should have handled this; sigh */
- if (!device_can_wakeup(&pdev->dev))
- device_init_wakeup(&pdev->dev, 1);
-
platform_set_drvdata(pdev, rtc);
rtc->rtt = (void __force __iomem *) (AT91_VA_BASE_SYS - AT91_BASE_SYS);
rtc->rtt += r->start;
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -113,6 +113,15 @@ config SPI_GPIO
If unsure, say N.
+config SPI_AT91
+ tristate "AT91RM9200 Bitbang SPI Master"
+ depends on SPI_MASTER && ARCH_AT91RM9200 && !SPI_ATMEL && EXPERIMENTAL
+ select SPI_BITBANG
+ help
+ This is dumb PIO bitbanging driver for the Atmel AT91RM9200.
+ The SPI_ATMEL driver will be its replacement, using the native
+ SPI hardware and its DMA controller.
+
config SPI_IMX
tristate "Freescale iMX SPI controller"
depends on SPI_MASTER && ARCH_IMX && EXPERIMENTAL
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -29,6 +29,7 @@ obj-$(CONFIG_SPI_S3C24XX) += spi_s3c24x
obj-$(CONFIG_SPI_TXX9) += spi_txx9.o
obj-$(CONFIG_SPI_XILINX) += xilinx_spi.o
obj-$(CONFIG_SPI_SH_SCI) += spi_sh_sci.o
+obj-$(CONFIG_SPI_AT91) += spi_at91_bitbang.o
# ... add above this line ...
# SPI protocol drivers (device/link on bus)
--- /dev/null
+++ b/drivers/spi/spi_at91_bitbang.c
@@ -0,0 +1,208 @@
+/*
+ * at91_spi.c - at91 SPI driver (BOOTSTRAP/BITBANG VERSION)
+ *
+ * Copyright (C) 2006 David Brownell
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_bitbang.h>
+
+#include <asm/arch/gpio.h>
+
+
+/*
+ * FIXME this bitbanging version is just to help bootstrap systems until
+ * there's a native SPI+IRQ+DMA controller driver ... such a driver should
+ * be a drop-in replacement for this one, and much faster.
+ *
+ * remember:
+ *
+ * - other at91 parts (like at91sam9) have multiple controllers
+ * and different pin muxing; this version is at91rm9200 specfic.
+ *
+ * - at91sam9261 SPI0 pins are directly muxed with MMC/SD pins.
+ *
+ * - rm9200 spi chipselects drop wrongly, so the native driver
+ * will need to use gpios much like this does.
+ *
+ * - real hardware only allows 8..16 bits per word, while this
+ * bitbanger allows 1..32 (incompatible superset).
+ *
+ * - this disregards clock parameters. with inlined gpio calls,
+ * gcc 3.4.4 produces about 1.5 mbit/sec, more than 2x faster
+ * than using the subroutined veresion from txrx_word().
+ *
+ * - suspend/resume and <linux/clk.h> support is missing ...
+ */
+
+#define spi_miso_bit AT91_PIN_PA0
+#define spi_mosi_bit AT91_PIN_PA1
+#define spi_sck_bit AT91_PIN_PA2
+
+struct at91_spi {
+ struct spi_bitbang bitbang;
+ struct platform_device *pdev;
+};
+
+/*----------------------------------------------------------------------*/
+
+static inline void setsck(struct spi_device *spi, int is_on)
+{
+ at91_set_gpio_value(spi_sck_bit, is_on);
+}
+
+static inline void setmosi(struct spi_device *spi, int is_on)
+{
+ at91_set_gpio_value(spi_mosi_bit, is_on);
+}
+
+static inline int getmiso(struct spi_device *spi)
+{
+ return at91_get_gpio_value(spi_miso_bit);
+}
+
+static void at91_spi_chipselect(struct spi_device *spi, int is_active)
+{
+ unsigned long cs = (unsigned long) spi->controller_data;
+
+ /* set default clock polarity */
+ if (is_active)
+ setsck(spi, spi->mode & SPI_CPOL);
+
+ /* only support active-low (default) */
+ at91_set_gpio_value(cs, !is_active);
+}
+
+/*
+ * NOTE: this is "as fast as we can"; it should be a function of
+ * the device clock ...
+ */
+#define spidelay(X) do{} while(0)
+
+#define EXPAND_BITBANG_TXRX
+#include <linux/spi/spi_bitbang.h>
+
+static u32 at91_spi_txrx_word_mode0(struct spi_device *spi,
+ unsigned nsecs, u32 word, u8 bits)
+{
+ return bitbang_txrx_be_cpha0(spi, nsecs, 0, word, 8);
+}
+
+static u32 at91_spi_txrx_word_mode1(struct spi_device *spi,
+ unsigned nsecs, u32 word, u8 bits)
+{
+ return bitbang_txrx_be_cpha1(spi, nsecs, 0, word, 8);
+}
+
+static u32 at91_spi_txrx_word_mode2(struct spi_device *spi,
+ unsigned nsecs, u32 word, u8 bits)
+{
+ return bitbang_txrx_be_cpha0(spi, nsecs, 1, word, 8);
+}
+
+static u32 at91_spi_txrx_word_mode3(struct spi_device *spi,
+ unsigned nsecs, u32 word, u8 bits)
+{
+ return bitbang_txrx_be_cpha1(spi, nsecs, 1, word, 8);
+}
+
+/*----------------------------------------------------------------------*/
+
+static int __init at91_spi_probe(struct platform_device *pdev)
+{
+ int status;
+ struct spi_master *master;
+ struct at91_spi *at91_spi;
+
+ if (pdev->id != 0) /* SPI0 bus */
+ return -EINVAL;
+
+ master = spi_alloc_master(&pdev->dev, sizeof *at91_spi);
+ if (!master)
+ return -ENOMEM;
+
+ at91_spi = spi_master_get_devdata(master);
+ at91_spi->pdev = pdev;
+ platform_set_drvdata(pdev, at91_spi);
+
+ /* SPI and bitbang hookup */
+ master->bus_num = 0;
+ master->num_chipselect = 4;
+
+ at91_spi->bitbang.master = spi_master_get(master);
+ at91_spi->bitbang.chipselect = at91_spi_chipselect;
+ at91_spi->bitbang.txrx_word[SPI_MODE_0] = at91_spi_txrx_word_mode0;
+ at91_spi->bitbang.txrx_word[SPI_MODE_1] = at91_spi_txrx_word_mode1;
+ at91_spi->bitbang.txrx_word[SPI_MODE_2] = at91_spi_txrx_word_mode2;
+ at91_spi->bitbang.txrx_word[SPI_MODE_3] = at91_spi_txrx_word_mode3;
+
+ status = spi_bitbang_start(&at91_spi->bitbang);
+ if (status < 0)
+ (void) spi_master_put(at91_spi->bitbang.master);
+
+ return status;
+}
+
+static int __exit at91_spi_remove(struct platform_device *pdev)
+{
+ struct at91_spi *at91_spi = platform_get_drvdata(pdev);
+ int status;
+
+ /* stop() unregisters child devices too */
+ status = spi_bitbang_stop(&at91_spi->bitbang);
+ (void) spi_master_put(at91_spi->bitbang.master);
+
+ platform_set_drvdata(pdev, NULL);
+ return status;
+}
+
+static struct platform_driver at91_spi_driver = {
+ .probe = at91_spi_probe,
+ .remove = __exit_p(at91_spi_remove),
+ .driver = {
+ .name = "at91_spi",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init at91_spi_init(void)
+{
+ at91_set_gpio_output(spi_sck_bit, 0);
+ at91_set_gpio_output(spi_mosi_bit, 0);
+ at91_set_gpio_input(spi_miso_bit, 1 /* pullup */);
+
+ /* register driver */
+ return platform_driver_register(&at91_spi_driver);
+}
+
+static void __exit at91_spi_exit(void)
+{
+ platform_driver_unregister(&at91_spi_driver);
+}
+
+device_initcall(at91_spi_init);
+module_exit(at91_spi_exit);
+
+MODULE_ALIAS("at91_spi.0");
+
+MODULE_DESCRIPTION("AT91 SPI support (BOOTSTRAP/BITBANG VERSION)");
+MODULE_AUTHOR("David Brownell");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:at91_spi");
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -118,10 +118,10 @@ config USB_AMD5536UDC
config USB_GADGET_ATMEL_USBA
boolean "Atmel USBA"
select USB_GADGET_DUALSPEED
- depends on AVR32
+ depends on AVR32 || ARCH_AT91CAP9 || ARCH_AT91SAM9RL
help
USBA is the integrated high-speed USB Device controller on
- the AT32AP700x processors from Atmel.
+ the AT32AP700x, some AT91SAM9 and AT91CAP9 processors from Atmel.
config USB_ATMEL_USBA
tristate
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1827,7 +1827,7 @@ static int at91udc_suspend(struct platfo
*/
if ((!udc->suspended && udc->addr)
|| !wake
- || at91_suspend_entering_slow_clock()) {
+ || clk_must_disable(udc->fclk)) {
pullup(udc, 0);
wake = 0;
} else
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -18,6 +18,7 @@
#include <linux/platform_device.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
+#include <linux/usb/atmel_usba_udc.h>
#include <linux/delay.h>
#include <asm/gpio.h>
@@ -27,6 +28,7 @@
static struct usba_udc the_udc;
+static struct usba_ep *usba_ep;
#ifdef CONFIG_USB_GADGET_DEBUG_FS
#include <linux/debugfs.h>
@@ -324,53 +326,6 @@ static int vbus_is_present(struct usba_u
return 1;
}
-static void copy_to_fifo(void __iomem *fifo, const void *buf, int len)
-{
- unsigned long tmp;
-
- DBG(DBG_FIFO, "copy to FIFO (len %d):\n", len);
- for (; len > 0; len -= 4, buf += 4, fifo += 4) {
- tmp = *(unsigned long *)buf;
- if (len >= 4) {
- DBG(DBG_FIFO, " -> %08lx\n", tmp);
- __raw_writel(tmp, fifo);
- } else {
- do {
- DBG(DBG_FIFO, " -> %02lx\n", tmp >> 24);
- __raw_writeb(tmp >> 24, fifo);
- fifo++;
- tmp <<= 8;
- } while (--len);
- break;
- }
- }
-}
-
-static void copy_from_fifo(void *buf, void __iomem *fifo, int len)
-{
- union {
- unsigned long *w;
- unsigned char *b;
- } p;
- unsigned long tmp;
-
- DBG(DBG_FIFO, "copy from FIFO (len %d):\n", len);
- for (p.w = buf; len > 0; len -= 4, p.w++, fifo += 4) {
- if (len >= 4) {
- tmp = __raw_readl(fifo);
- *p.w = tmp;
- DBG(DBG_FIFO, " -> %08lx\n", tmp);
- } else {
- do {
- tmp = __raw_readb(fifo);
- *p.b = tmp;
- DBG(DBG_FIFO, " -> %02lx\n", tmp);
- fifo++, p.b++;
- } while (--len);
- }
- }
-}
-
static void next_fifo_transaction(struct usba_ep *ep, struct usba_request *req)
{
unsigned int transaction_len;
@@ -387,7 +342,7 @@ static void next_fifo_transaction(struct
ep->ep.name, req, transaction_len,
req->last_transaction ? ", done" : "");
- copy_to_fifo(ep->fifo, req->req.buf + req->req.actual, transaction_len);
+ memcpy_toio(ep->fifo, req->req.buf + req->req.actual, transaction_len);
usba_ep_writel(ep, SET_STA, USBA_TX_PK_RDY);
req->req.actual += transaction_len;
}
@@ -476,7 +431,7 @@ static void receive_data(struct usba_ep
bytecount = req->req.length - req->req.actual;
}
- copy_from_fifo(req->req.buf + req->req.actual,
+ memcpy_fromio(req->req.buf + req->req.actual,
ep->fifo, bytecount);
req->req.actual += bytecount;
@@ -1029,33 +984,6 @@ static const struct usb_gadget_ops usba_
.set_selfpowered = usba_udc_set_selfpowered,
};
-#define EP(nam, idx, maxpkt, maxbk, dma, isoc) \
-{ \
- .ep = { \
- .ops = &usba_ep_ops, \
- .name = nam, \
- .maxpacket = maxpkt, \
- }, \
- .udc = &the_udc, \
- .queue = LIST_HEAD_INIT(usba_ep[idx].queue), \
- .fifo_size = maxpkt, \
- .nr_banks = maxbk, \
- .index = idx, \
- .can_dma = dma, \
- .can_isoc = isoc, \
-}
-
-static struct usba_ep usba_ep[] = {
- EP("ep0", 0, 64, 1, 0, 0),
- EP("ep1in-bulk", 1, 512, 2, 1, 1),
- EP("ep2out-bulk", 2, 512, 2, 1, 1),
- EP("ep3in-int", 3, 64, 3, 1, 0),
- EP("ep4out-int", 4, 64, 3, 1, 0),
- EP("ep5in-iso", 5, 1024, 3, 1, 1),
- EP("ep6out-iso", 6, 1024, 3, 1, 1),
-};
-#undef EP
-
static struct usb_endpoint_descriptor usba_ep0_desc = {
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
@@ -1074,7 +1002,6 @@ static void nop_release(struct device *d
static struct usba_udc the_udc = {
.gadget = {
.ops = &usba_udc_ops,
- .ep0 = &usba_ep[0].ep,
.ep_list = LIST_HEAD_INIT(the_udc.gadget.ep_list),
.is_dualspeed = 1,
.name = "atmel_usba_udc",
@@ -1231,7 +1158,7 @@ static int do_test_mode(struct usba_udc
} else {
usba_ep_writel(ep, CTL_ENB, USBA_EPT_ENABLE);
usba_writel(udc, TST, USBA_TST_PKT_MODE);
- copy_to_fifo(ep->fifo, test_packet_buffer,
+ memcpy_toio(ep->fifo, test_packet_buffer,
sizeof(test_packet_buffer));
usba_ep_writel(ep, SET_STA, USBA_TX_PK_RDY);
dev_info(dev, "Entering Test_Packet mode...\n");
@@ -1530,13 +1457,13 @@ restart:
DBG(DBG_HW, "Packet length: %u\n", pkt_len);
if (pkt_len != sizeof(crq)) {
pr_warning("udc: Invalid packet length %u "
- "(expected %lu)\n", pkt_len, sizeof(crq));
+ "(expected %zu)\n", pkt_len, sizeof(crq));
set_protocol_stall(udc, ep);
return;
}
DBG(DBG_FIFO, "Copying ctrl request from 0x%p:\n", ep->fifo);
- copy_from_fifo(crq.data, ep->fifo, sizeof(crq));
+ memcpy_fromio(crq.data, ep->fifo, sizeof(crq));
/* Free up one bank in the FIFO so that we can
* generate or receive a reply right away. */
@@ -1908,7 +1835,7 @@ static int __init usba_udc_probe(struct
regs = platform_get_resource(pdev, IORESOURCE_MEM, CTRL_IOMEM_ID);
fifo = platform_get_resource(pdev, IORESOURCE_MEM, FIFO_IOMEM_ID);
- if (!regs || !fifo)
+ if (!regs || !fifo || !pdata)
return -ENXIO;
irq = platform_get_irq(pdev, 0);
@@ -1956,16 +1883,44 @@ static int __init usba_udc_probe(struct
usba_writel(udc, CTRL, 0);
clk_disable(pclk);
+ usba_ep = kmalloc(sizeof(struct usba_ep) * pdata->num_ep,
+ GFP_KERNEL);
+ if (!usba_ep)
+ goto err_alloc_ep;
+
+ the_udc.gadget.ep0 = &usba_ep[0].ep;
+
INIT_LIST_HEAD(&usba_ep[0].ep.ep_list);
usba_ep[0].ep_regs = udc->regs + USBA_EPT_BASE(0);
usba_ep[0].dma_regs = udc->regs + USBA_DMA_BASE(0);
usba_ep[0].fifo = udc->fifo + USBA_FIFO_BASE(0);
- for (i = 1; i < ARRAY_SIZE(usba_ep); i++) {
+ usba_ep[0].ep.ops = &usba_ep_ops;
+ usba_ep[0].ep.name = pdata->ep[0].name;
+ usba_ep[0].ep.maxpacket = pdata->ep[0].fifo_size;
+ usba_ep[0].udc = &the_udc;
+ INIT_LIST_HEAD(&usba_ep[0].queue);
+ usba_ep[0].fifo_size = pdata->ep[0].fifo_size;
+ usba_ep[0].nr_banks = pdata->ep[0].nr_banks;
+ usba_ep[0].index = pdata->ep[0].index;
+ usba_ep[0].can_dma = pdata->ep[0].can_dma;
+ usba_ep[0].can_isoc = pdata->ep[0].can_isoc;
+
+ for (i = 1; i < pdata->num_ep; i++) {
struct usba_ep *ep = &usba_ep[i];
ep->ep_regs = udc->regs + USBA_EPT_BASE(i);
ep->dma_regs = udc->regs + USBA_DMA_BASE(i);
ep->fifo = udc->fifo + USBA_FIFO_BASE(i);
+ ep->ep.ops = &usba_ep_ops;
+ ep->ep.name = pdata->ep[i].name;
+ ep->ep.maxpacket = pdata->ep[i].fifo_size;
+ ep->udc = &the_udc;
+ INIT_LIST_HEAD(&ep->queue);
+ ep->fifo_size = pdata->ep[i].fifo_size;
+ ep->nr_banks = pdata->ep[i].nr_banks;
+ ep->index = pdata->ep[i].index;
+ ep->can_dma = pdata->ep[i].can_dma;
+ ep->can_isoc = pdata->ep[i].can_isoc;
list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list);
}
@@ -1984,7 +1939,7 @@ static int __init usba_udc_probe(struct
goto err_device_add;
}
- if (pdata && pdata->vbus_pin != GPIO_PIN_NONE) {
+ if (pdata->vbus_pin >= 0) {
if (!gpio_request(pdata->vbus_pin, "atmel_usba_udc")) {
udc->vbus_pin = pdata->vbus_pin;
@@ -2004,7 +1959,7 @@ static int __init usba_udc_probe(struct
}
usba_init_debugfs(udc);
- for (i = 1; i < ARRAY_SIZE(usba_ep); i++)
+ for (i = 1; i < pdata->num_ep; i++)
usba_ep_init_debugfs(udc, &usba_ep[i]);
return 0;
@@ -2012,6 +1967,8 @@ static int __init usba_udc_probe(struct
err_device_add:
free_irq(irq, udc);
err_request_irq:
+ kfree(usba_ep);
+err_alloc_ep:
iounmap(udc->fifo);
err_map_fifo:
iounmap(udc->regs);
@@ -2029,10 +1986,11 @@ static int __exit usba_udc_remove(struct
{
struct usba_udc *udc;
int i;
+ struct usba_platform_data *pdata = pdev->dev.platform_data;
udc = platform_get_drvdata(pdev);
- for (i = 1; i < ARRAY_SIZE(usba_ep); i++)
+ for (i = 1; i < pdata->num_ep; i++)
usba_ep_cleanup_debugfs(&usba_ep[i]);
usba_cleanup_debugfs(udc);
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -330,7 +330,7 @@ ohci_hcd_at91_drv_suspend(struct platfor
*
* REVISIT: some boards will be able to turn VBUS off...
*/
- if (at91_suspend_entering_slow_clock()) {
+ if (clk_must_disable(fclk)) {
ohci_usb_reset (ohci);
at91_stop_clock();
}
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -889,6 +889,17 @@ config FB_EPSON1355
framebuffer. Product specs at
<http://www.erd.epson.com/vdc/html/products.htm>.
+config FB_S1D15605
+ tristate "Epson S1D15605 framebuffer support"
+ depends on FB
+ default m if MACH_KB9200
+ select FB_CFB_FILLRECT
+ select FB_CFB_COPYAREA
+ select FB_CFB_IMAGEBLIT
+ help
+ Build in support for the S1D15605 Epson Research 128x64
+ LCD controller as a framebuffer.
+
config FB_S1D13XXX
tristate "Epson S1D13XXX framebuffer support"
depends on FB
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -87,7 +87,8 @@ obj-$(CONFIG_FB_G364) += g36
obj-$(CONFIG_FB_SA1100) += sa1100fb.o
obj-$(CONFIG_FB_HIT) += hitfb.o
obj-$(CONFIG_FB_EPSON1355) += epson1355fb.o
-obj-$(CONFIG_FB_ATMEL) += atmel_lcdfb.o
+obj-$(CONFIG_FB_S1D15605) += s1d15605fb.o
+obj-$(CONFIG_FB_ATMEL) += atmel_lcdfb.o
obj-$(CONFIG_FB_PVR2) += pvr2fb.o
obj-$(CONFIG_FB_VOODOO1) += sstfb.o
obj-$(CONFIG_FB_ARMCLCD) += amba-clcd.o
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -31,7 +31,7 @@
#define ATMEL_LCDC_CVAL_DEFAULT 0xc8
#define ATMEL_LCDC_DMA_BURST_LEN 8
-#if defined(CONFIG_ARCH_AT91SAM9263) || defined(CONFIG_ARCH_AT91CAP9)
+#if defined(CONFIG_ARCH_AT91SAM9263) || defined(CONFIG_ARCH_AT91CAP9) || defined(CONFIG_ARCH_AT91SAM9RL)
#define ATMEL_LCDC_FIFO_SIZE 2048
#else
#define ATMEL_LCDC_FIFO_SIZE 512
@@ -903,11 +903,45 @@ static int __exit atmel_lcdfb_remove(str
return 0;
}
-static struct platform_driver atmel_lcdfb_driver = {
- .remove = __exit_p(atmel_lcdfb_remove),
+#ifdef CONFIG_PM
+
+static int atmel_lcdfb_suspend(struct platform_device *pdev, pm_message_t mesg)
+{
+ struct fb_info *info = platform_get_drvdata(pdev);
+ struct atmel_lcdfb_info *sinfo = info->par;
+
+ sinfo->saved_lcdcon = lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_VAL);
+ lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, 0);
+ if (sinfo->atmel_lcdfb_power_control)
+ sinfo->atmel_lcdfb_power_control(0);
+ atmel_lcdfb_stop_clock(sinfo);
-// FIXME need suspend, resume
+ return 0;
+}
+
+static int atmel_lcdfb_resume(struct platform_device *pdev)
+{
+ struct fb_info *info = platform_get_drvdata(pdev);
+ struct atmel_lcdfb_info *sinfo = info->par;
+ atmel_lcdfb_start_clock(sinfo);
+ if (sinfo->atmel_lcdfb_power_control)
+ sinfo->atmel_lcdfb_power_control(1);
+ lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, sinfo->saved_lcdcon);
+
+ return 0;
+}
+
+#else
+#define atmel_lcdfb_suspend NULL
+#define atmel_lcdfb_resume NULL
+#endif
+
+
+static struct platform_driver atmel_lcdfb_driver = {
+ .remove = __exit_p(atmel_lcdfb_remove),
+ .suspend = atmel_lcdfb_suspend,
+ .resume = atmel_lcdfb_resume,
.driver = {
.name = "atmel_lcdfb",
.owner = THIS_MODULE,
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -112,3 +112,11 @@ config BACKLIGHT_CARILLO_RANCH
help
If you have a Intel LE80578 (Carillo Ranch) say Y to enable the
backlight driver.
+
+config BACKLIGHT_KB920x
+ tristate "KwikByte KB9202 Backlight Driver"
+ depends on BACKLIGHT_CLASS_DEVICE && MACH_KB9200
+ default y
+ help
+ If you have a KwikByte KB9202 board, say Y to enable the
+ backlight driver.
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -10,3 +10,4 @@ obj-$(CONFIG_BACKLIGHT_LOCOMO) += locomo
obj-$(CONFIG_BACKLIGHT_OMAP1) += omap1_bl.o
obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o
obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o
+obj-$(CONFIG_BACKLIGHT_KB920x) += kb920x_bl.o
--- /dev/null
+++ b/drivers/video/backlight/kb920x_bl.c
@@ -0,0 +1,164 @@
+/*
+ * Backlight Driver for KB9202
+ *
+ * Copyright (c) 2006 KwikByte
+ *
+ * Based on Sharp's Corgi Backlight Driver
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/spinlock.h>
+#include <linux/fb.h>
+#include <linux/backlight.h>
+
+#include <asm/arch/gpio.h>
+
+/* The backlight is on(1)/off(0) */
+#define KB9202_DEFAULT_INTENSITY 1
+#define KB9202_MAX_INTENSITY 1
+
+static int kb9202bl_suspended;
+static int current_intensity = 0;
+static DEFINE_SPINLOCK(bl_lock);
+
+static int kb9202bl_set_intensity(struct backlight_device *bd)
+{
+ unsigned long flags;
+ int intensity = bd->props.brightness;
+
+ if (bd->props.power != FB_BLANK_UNBLANK)
+ intensity = 0;
+ if (bd->props.fb_blank != FB_BLANK_UNBLANK)
+ intensity = 0;
+ if (kb9202bl_suspended)
+ intensity = 0;
+
+ if ((!current_intensity) && (bd->props.power == FB_BLANK_UNBLANK))
+ intensity = 1;
+
+ spin_lock_irqsave(&bl_lock, flags);
+ if (intensity)
+ gpio_set_value(AT91_PIN_PC23, 1);
+ else
+ gpio_set_value(AT91_PIN_PC23, 0);
+ spin_unlock_irqrestore(&bl_lock, flags);
+
+ current_intensity = intensity;
+
+ return 0;
+}
+
+static int kb9202bl_get_intensity(struct backlight_device *bd)
+{
+ return current_intensity;
+}
+
+static struct backlight_ops kb9202bl_ops = {
+ .get_brightness = kb9202bl_get_intensity,
+ .update_status = kb9202bl_set_intensity,
+};
+
+static int __init kb9202bl_probe(struct platform_device *pdev)
+{
+ struct backlight_device *bd;
+
+ bd = backlight_device_register ("kb9202-bl", &pdev->dev, NULL, &kb9202bl_ops);
+ if (IS_ERR(bd))
+ return PTR_ERR(bd);
+
+ platform_set_drvdata(pdev, bd);
+
+ bd->props.max_brightness = KB9202_MAX_INTENSITY;
+ bd->props.brightness = KB9202_DEFAULT_INTENSITY;
+ (void) kb9202bl_set_intensity(bd);
+
+ return 0;
+}
+
+static int kb9202bl_remove(struct platform_device *pdev)
+{
+ struct backlight_device *bd = platform_get_drvdata(pdev);
+
+ bd->props.brightness = 0;
+ bd->props.power = 0;
+ (void) kb9202bl_set_intensity(bd);
+
+ backlight_device_unregister(bd);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int kb9202bl_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct backlight_device *bd = platform_get_drvdata(pdev);
+
+ kb9202bl_suspended = 1;
+ (void) kb9202bl_set_intensity(bd);
+ return 0;
+}
+
+static int kb9202bl_resume(struct platform_device *pdev)
+{
+ struct backlight_device *bd = platform_get_drvdata(pdev);
+
+ kb9202bl_suspended = 0;
+ (void) kb9202bl_set_intensity(bd);
+ return 0;
+}
+#else
+#define kb9202bl_suspend NULL
+#define kb9202bl_resume NULL
+#endif
+
+static struct platform_driver kb9202bl_driver = {
+ .probe = kb9202bl_probe,
+ .remove = kb9202bl_remove,
+ .suspend = kb9202bl_suspend,
+ .resume = kb9202bl_resume,
+ .driver = {
+ .name = "kb9202-bl",
+ .owner = THIS_MODULE,
+ },
+};
+
+static struct platform_device *kb9202bl_device;
+
+static int __init kb9202bl_init(void)
+{
+ int ret;
+
+ ret = platform_driver_register(&kb9202bl_driver);
+ if (!ret) {
+ kb9202bl_device = platform_device_alloc("kb9202-bl", -1);
+ if (!kb9202bl_device)
+ return -ENOMEM;
+
+ ret = platform_device_add(kb9202bl_device);
+ if (ret) {
+ platform_device_put(kb9202bl_device);
+ platform_driver_unregister(&kb9202bl_driver);
+ }
+ }
+ return ret;
+}
+
+static void __exit kb9202bl_exit(void)
+{
+ platform_device_unregister(kb9202bl_device);
+ platform_driver_unregister(&kb9202bl_driver);
+}
+
+module_init(kb9202bl_init);
+module_exit(kb9202bl_exit);
+
+MODULE_AUTHOR("KwikByte <kb9200_dev@kwikbyte.com>");
+MODULE_DESCRIPTION("KB9202 Backlight Driver");
+MODULE_LICENSE("GPL");
--- /dev/null
+++ b/drivers/video/s1d15605fb.c
@@ -0,0 +1,655 @@
+/*
+ * drivers/video/s1d15605.c
+ *
+ * Adapted from several sources including:
+ * 1) Driver for AT91 LCD Controller
+ * Copyright (C) 2006 Atmel
+ *
+ * 2) Copyright (C) 2005 S. Kevin Hester
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ *
+ * This is a basic framebuffer driver for the Optrex F-51320 128x64 mono LCD
+ * display. This display uses a clone of the common Epson SED 1531 display
+ * controller.
+ *
+ * I've heavily borrowed code from the vfb.c driver.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifdef DEBUG
+#define MSG(string, args...) printk("s1d15605fb:" string, ##args)
+#else
+#define MSG(string, args...)
+#endif
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/interrupt.h>
+#include <linux/clk.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+
+#include <asm/uaccess.h>
+
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+
+#ifdef CONFIG_PMAC_BACKLIGHT
+#include <asm/backlight.h>
+#endif
+
+#define VIDEOWIDTH 128
+#define VIDEOHEIGHT 64
+#define VIDEODEPTH 1 /* bits/pixel */
+#define VIDEOWIDTH_BYTES ((VIDEOWIDTH * VIDEODEPTH) / 8)
+
+/* The number of bytes that actually go to the device */
+#define ACTUALVIDEOMEMSIZE (VIDEOWIDTH_BYTES * VIDEOHEIGHT)
+#define VIDEOMEMSIZE PAGE_SIZE
+
+static struct fb_var_screeninfo s1d15605_default __initdata = {
+ .xres = VIDEOWIDTH,
+ .yres = VIDEOHEIGHT,
+ .xres_virtual = VIDEOWIDTH,
+ .yres_virtual = VIDEOHEIGHT,
+ .bits_per_pixel = VIDEODEPTH,
+ .red = { 0, 1, 0 },
+ .green = { 0, 1, 0 },
+ .blue = { 0, 1, 0 },
+ .activate = FB_ACTIVATE_NOW,
+ .pixclock = 20000,
+ .vmode = FB_VMODE_NONINTERLACED,
+};
+
+static struct fb_fix_screeninfo s1d15605_fix __initdata = {
+ .id = "s1d15605",
+ .type = FB_TYPE_PACKED_PIXELS,
+ .visual = FB_VISUAL_MONO10,
+ .xpanstep = 0,
+ .ypanstep = 0,
+ .ywrapstep = 0,
+ .accel = FB_ACCEL_NONE,
+};
+
+struct s1d15605fb_info {
+ struct fb_info *info;
+ char *mmio;
+ unsigned long reset_pin;
+ struct platform_device *pdev;
+};
+
+/*
+ * LCD device interface
+ */
+#define RESET_DISPLAY 0xE2
+#define LCD_BIAS_1_9 0xA2
+#define ADC_SELECT_REVERSE 0xA1
+#define COMMON_OUTPUT_NORMAL 0xC0
+#define V5_RESISTOR_RATIO 0x26
+#define ELECTRONIC_VOLUME_SET 0x81
+#define ELECTRONIC_VOLUME_INIT 0x20
+#define POWER_CONTROL_SET 0x28
+#define VOLTAGE_REGULATOR 0x02
+#define VOLTAGE_FOLLOWER 0x01
+#define BOOSTER_CIRCUIT 0x04
+#define DISPLAY_ON 0xAF
+#define START_LINE_SET 0x40
+#define PAGE_ADDRESS_SET 0xB0
+#define COLUMN_ADDRESS_HIGH 0x10
+#define COLUMN_ADDRESS_LOW 0x00
+#define RESISTOR_RATIO_START 0x20
+
+#define NUM_OF_PAGES 8
+#define NUM_OF_COLUMNS 128
+
+#define WRITE_COMMAND(x) __raw_writeb((x), (sinfo)->mmio)
+#define READ_COMMAND __raw_readb((sinfo)->mmio)
+#define WRITE_DATA(x) __raw_writeb((x), (sinfo)->mmio + (0x10000))
+#define READ_DATA __raw_readb((sinfo)->mmio + (0x10000))
+
+
+/*
+ * s1d15605fb_resize_framebuffer
+ *
+ * Free allocated space if different. Allocate on new of changed.
+ * Returns -ENOMEM if the new framebuffer can not be allocated,
+ * zero on success.
+ */
+static int s1d15605fb_resize_framebuffer(struct s1d15605fb_info *sinfo)
+{
+ struct fb_info *info = sinfo->info;
+ struct fb_fix_screeninfo *fix = &info->fix;
+ struct fb_var_screeninfo *var = &info->var;
+ unsigned int new_size;
+ void *new_vaddr;
+
+ new_size = ((var->xres_virtual * var->yres_virtual * var->bits_per_pixel) / 8);
+
+ MSG("%s: x (%d) y (%d) bpp (%d): new size 0x%08x\n", __FUNCTION__,
+ var->xres_virtual, var->yres_virtual, var->bits_per_pixel, new_size);
+
+ if (new_size == fix->smem_len)
+ return 0;
+
+ if (fix->smem_len) {
+ kfree(info->screen_base);
+ }
+
+ new_vaddr = kmalloc(new_size, GFP_KERNEL);
+
+ if (!new_vaddr) {
+ fix->smem_len = 0;
+ return -ENOMEM;
+ }
+
+ info->screen_base = new_vaddr;
+ fix->smem_start = (unsigned)new_vaddr;
+ fix->smem_len = new_size;
+ fix->line_length = (var->xres_virtual * var->bits_per_pixel) / 8;
+
+ dev_info(info->device,
+ "%luKiB frame buffer at %08lx (mapped at %p)\n",
+ (unsigned long)info->fix.smem_len / 1024,
+ (unsigned long)info->fix.smem_start,
+ info->screen_base);
+
+ return 0;
+}
+
+
+/*
+ * The s1d15605 seems to be divided into eight 128 pixel wide pages (from top to
+ * bottom) each page seems to be eight pixels high, where these eight pixels are
+ * one byte
+ */
+static void s1d15605_update(struct fb_info *info)
+{
+ struct s1d15605fb_info *sinfo = info->par;
+ int page, i, row, colmask;
+ u8 retVal, *rowPtr;
+
+ WRITE_COMMAND(START_LINE_SET);
+ for (page = 0; page < NUM_OF_PAGES; ++page) {
+ WRITE_COMMAND(PAGE_ADDRESS_SET + page);
+ WRITE_COMMAND(COLUMN_ADDRESS_HIGH);
+ WRITE_COMMAND(COLUMN_ADDRESS_LOW);
+
+ for (i = 0; i < NUM_OF_COLUMNS; ++i)
+ {
+ /* point of opportunity: optimization */
+ colmask = (1 << (i & 0x7));
+ rowPtr = (u8*)(info->screen_base);
+ rowPtr += (VIDEOWIDTH_BYTES * 8 * page);
+ rowPtr += (i >> 3);
+ retVal = 0;
+ for (row = 0; row < 8; ++row)
+ {
+ retVal = (retVal >> 1) | (((*rowPtr) & colmask) ? 0x80 : 0);
+ rowPtr += VIDEOWIDTH_BYTES;
+ }
+ WRITE_DATA(retVal);
+ }
+ }
+
+ WRITE_COMMAND(DISPLAY_ON);
+}
+
+
+/*
+ * Setting the video mode has been split into two parts.
+ * First part, xxxfb_check_var, must not write anything
+ * to hardware, it should only verify and adjust var.
+ * This means it doesn't alter par but it does use hardware
+ * data from it to check this var.
+ */
+static int s1d15605_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
+{
+ /*
+ * Some very basic checks
+ */
+ if (!var->xres)
+ var->xres = 1;
+ if (!var->yres)
+ var->yres = 1;
+ if (var->xres > var->xres_virtual)
+ var->xres_virtual = var->xres;
+ if (var->yres > var->yres_virtual)
+ var->yres_virtual = var->yres;
+
+ if(var->bits_per_pixel > VIDEODEPTH)
+ return -EINVAL;
+
+ /*
+ * Memory limit
+ */
+ if (((var->yres_virtual * var->bits_per_pixel * var->yres_virtual) >> 3) >
+ ACTUALVIDEOMEMSIZE)
+ return -ENOMEM;
+
+ /*
+ * Now that we checked it we alter var. The reason being is that the video
+ * mode passed in might not work but slight changes to it might make it
+ * work. This way we let the user know what is acceptable.
+ */
+ switch (var->bits_per_pixel) {
+ case 1:
+ var->red.offset = var->green.offset = var->blue.offset = 0;
+ var->red.length = var->green.length = var->blue.length
+ = var->bits_per_pixel;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ var->xoffset = var->yoffset = 0;
+ var->red.msb_right = var->green.msb_right = var->blue.msb_right =
+ var->transp.msb_right = 0;
+
+ return 0;
+}
+
+
+/*
+ * This routine actually sets the video mode. It's in here where we
+ * the hardware state info->par and fix which can be affected by the
+ * change in par. For this driver it doesn't do much.
+ */
+static int s1d15605_set_par(struct fb_info *info)
+{
+ int ret;
+
+ MSG("%s:\n", __func__);
+ MSG(" * resolution: %ux%u (%ux%u virtual)\n",
+ info->var.xres, info->var.yres,
+ info->var.xres_virtual, info->var.yres_virtual);
+
+ ret = s1d15605fb_resize_framebuffer(info->par);
+
+ info->fix.visual = FB_VISUAL_MONO10;
+ return ret;
+}
+
+
+/*
+ * Set a single color register. The values supplied are already
+ * rounded down to the hardware's capabilities (according to the
+ * entries in the var structure). Return != 0 for invalid regno.
+ */
+static int s1d15605_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
+ u_int transp, struct fb_info *info)
+{
+ if (regno > 1) /* no. of hw registers - we only do mono now */
+ return 1;
+
+ return 0;
+}
+
+
+/*
+ * Currently, the routine will simply shut-off the backlight and prevent
+ * updates/refreshes. Modify according to application.
+ *
+ * 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off
+ */
+static int s1d15605_blank(int blank, struct fb_info *info)
+{
+#ifdef CONFIG_PMAC_BACKLIGHT
+ if (blank)
+ pmac_backlight->props.power = FB_BLANK_POWERDOWN;
+ else
+ pmac_backlight->props.power = FB_BLANK_UNBLANK;
+ backlight_update_status(pmac_backlight);
+#endif
+ return 1;
+}
+
+
+/*
+ * Pan or Wrap the Display
+ *
+ * This call looks only at xoffset, yoffset and the FB_VMODE_YWRAP flag
+ */
+/*
+static int s1d15605_pan_display(struct fb_var_screeninfo *var,
+ struct fb_info *info)
+{
+ if (var->vmode & FB_VMODE_YWRAP) {
+ if (var->yoffset < 0
+ || var->yoffset >= info->var.yres_virtual
+ || var->xoffset)
+ return -EINVAL;
+ } else {
+ if (var->xoffset + var->xres > info->var.xres_virtual ||
+ var->yoffset + var->yres > info->var.yres_virtual)
+ return -EINVAL;
+ }
+ info->var.xoffset = var->xoffset;
+ info->var.yoffset = var->yoffset;
+ if (var->vmode & FB_VMODE_YWRAP)
+ info->var.vmode |= FB_VMODE_YWRAP;
+ else
+ info->var.vmode &= ~FB_VMODE_YWRAP;
+ return 0;
+}
+*/
+
+
+static void s1d15605_copyarea(struct fb_info *info, const struct fb_copyarea *region)
+{
+ cfb_copyarea(info, region);
+ s1d15605_update(info);
+}
+
+
+static void s1d15605_fillrect (struct fb_info *info, const struct fb_fillrect *rect)
+{
+ cfb_fillrect(info, rect);
+ s1d15605_update(info);
+}
+
+
+static void s1d15605_imageblit(struct fb_info *p, const struct fb_image *image)
+{
+ cfb_imageblit(p, image);
+ s1d15605_update(p);
+}
+
+
+/*
+ * Write the users data to our framebuffer, and then trigger a psuedo DMA
+ */
+static ssize_t s1d15605_write(struct fb_info *info, const char *buf,
+ size_t count, loff_t *ppos)
+{
+ unsigned long p = *ppos;
+ int err;
+
+ if (p > info->fix.smem_len)
+ return -ENOSPC;
+ if (count >= info->fix.smem_len)
+ count = info->fix.smem_len;
+ err = 0;
+ if (count + p > info->fix.smem_len) {
+ count = info->fix.smem_len - p;
+ err = -ENOSPC;
+ }
+ if (count) {
+ char *base_addr;
+
+ base_addr = info->screen_base;
+ count -= copy_from_user(base_addr+p, buf, count);
+ *ppos += count;
+ err = -EFAULT;
+ }
+
+ s1d15605_update(info);
+
+ if (count)
+ return count;
+
+ return err;
+}
+
+#ifdef USE_PRIVATE_VMA_FXS
+static void s1d15605_vma_open(struct vm_area_struct *vma)
+{
+ // FIXME - store stats in the device data via vm_private_data
+}
+
+
+static void s1d15605_vma_close(struct vm_area_struct *vma)
+{
+ // FIXME - store stats in the device data via vm_private_data
+}
+
+
+static struct page *s1d15605_vma_nopage(struct vm_area_struct *vma,
+ unsigned long address, int *type)
+{
+ struct page *page;
+ struct fb_info *info = vma->vm_private_data;
+
+ page = virt_to_page(info->screen_base);
+ get_page(page);
+
+ // FIXME - now someone has a link to our page, start periodically blitting
+ // latest updates to the actual device.
+
+ return page;
+}
+
+
+static struct vm_operations_struct s1d15605_vm_ops = {
+ .open = s1d15605_vma_open,
+ .close = s1d15605_vma_close,
+ .nopage = s1d15605_vma_nopage
+};
+
+
+/* We don't do much here - because we have special vm_ops */
+static int s1d15605_mmap(struct fb_info *info, struct vm_area_struct *vma)
+{
+ vma->vm_ops = &s1d15605_vm_ops;
+ vma->vm_flags |= VM_RESERVED;
+ vma->vm_private_data = info;
+ s1d15605_vma_open(vma);
+
+ return 0;
+}
+#endif /* USE_PRIVATE_VMA_FXS */
+
+
+static struct fb_ops s1d15605fb_ops = {
+ .owner = THIS_MODULE,
+ .fb_check_var = s1d15605_check_var,
+ .fb_set_par = s1d15605_set_par,
+ .fb_setcolreg = s1d15605_setcolreg,
+ .fb_blank = s1d15605_blank,
+// .fb_pan_display = s1d15605_pan_display,
+ .fb_fillrect = s1d15605_fillrect,
+ .fb_copyarea = s1d15605_copyarea,
+ .fb_imageblit = s1d15605_imageblit,
+ .fb_write = s1d15605_write,
+#ifdef USE_PRIVATE_VMA_FXS
+ .fb_mmap = s1d15605_mmap,
+#endif
+};
+
+
+static void s1d15605_device_init(struct s1d15605fb_info *sinfo) {
+
+ char value;
+
+ /* release the reset line by reading the device - proto hardware */
+ value = READ_COMMAND;
+ value = READ_COMMAND;
+
+#ifdef CONFIG_MACH_KB9200
+ /* new boards have dedicated reset line */
+ gpio_set_value(sinfo->reset_pin, 1);
+#endif
+
+ /* initialize the device within 5ms */
+ WRITE_COMMAND(RESET_DISPLAY);
+ WRITE_COMMAND(LCD_BIAS_1_9);
+ WRITE_COMMAND(ADC_SELECT_REVERSE);
+ WRITE_COMMAND(COMMON_OUTPUT_NORMAL);
+ WRITE_COMMAND(V5_RESISTOR_RATIO);
+ WRITE_COMMAND(ELECTRONIC_VOLUME_SET);
+ WRITE_COMMAND(ELECTRONIC_VOLUME_INIT);
+ WRITE_COMMAND(POWER_CONTROL_SET | VOLTAGE_REGULATOR | VOLTAGE_FOLLOWER | BOOSTER_CIRCUIT);
+ WRITE_COMMAND(DISPLAY_ON);
+
+ WRITE_COMMAND(RESISTOR_RATIO_START + 4);
+ WRITE_COMMAND(ELECTRONIC_VOLUME_SET);
+ WRITE_COMMAND(0x33);
+}
+
+
+static int __init s1d15605fb_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct fb_info *info;
+ struct s1d15605fb_info *sinfo;
+ int ret;
+
+ MSG("%s\n", __func__);
+
+ if (!(info = framebuffer_alloc(sizeof(struct s1d15605fb_info), dev))) {
+ dev_err(dev, "Cannot allocate framebuffer struct\n");
+ return -ENOMEM;
+ }
+
+ sinfo = info->par;
+ sinfo->info = info;
+ sinfo->pdev = pdev;
+
+ if (pdev->num_resources < 2) {
+ dev_err(dev, "Resources unusable\n");
+ ret = -ENODEV;
+ goto free_info;
+ }
+
+ info->fbops = &s1d15605fb_ops;
+ strcpy(info->fix.id, pdev->name);
+
+ info->fix.mmio_start = pdev->resource[0].start;
+ info->fix.mmio_len = pdev->resource[0].end - pdev->resource[0].start + 1;
+ sinfo->reset_pin = pdev->resource[1].start;
+
+ ret = s1d15605fb_resize_framebuffer(sinfo);
+ if (ret < 0) {
+ dev_err(dev, "Cannot resize framebuffer: %d\n", ret);
+ goto free_fb;
+ }
+
+ if (!request_mem_region(info->fix.mmio_start,
+ info->fix.mmio_len, pdev->name)) {
+ ret = -EBUSY;
+ goto free_fb;
+ }
+
+ sinfo->mmio = ioremap(info->fix.mmio_start, info->fix.mmio_len);
+ if (!sinfo->mmio) {
+ dev_err(dev, "Cannot map LCD memory region\n");
+ goto release_mem;
+ }
+
+ s1d15605_device_init(sinfo);
+
+ ret = fb_find_mode(&info->var, info, NULL, NULL, 0, NULL, 1);
+
+ if (!ret || (ret == 4))
+ info->var = s1d15605_default;
+
+ info->fix = s1d15605_fix;
+ info->flags = FBINFO_FLAG_DEFAULT |
+/* FBINFO_HWACCEL_YPAN | */
+ FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_COPYAREA;
+
+ ret = register_framebuffer(info);
+ if (ret < 0) {
+ dev_err(dev, "Failed to register framebuffer device: %d\n", ret);
+ goto unmap_mmio;
+ }
+
+ dev_set_drvdata(dev, info);
+
+ memset(info->screen_base, 0, info->fix.smem_len);
+ info->var.activate |= FB_ACTIVATE_NOW;
+ ret = fb_set_var(info, &info->var);
+ if (ret) {
+ dev_warn(dev, "Unable to set display parameters\n");
+ }
+
+ info->var.activate &= ~(FB_ACTIVATE_FORCE | FB_ACTIVATE_NOW);
+
+ dev_dbg(dev, "%s SUCCESS\n", __func__);
+
+ dev_info(dev, "Driver $Revision: 1.1 $\n");
+
+ return 0;
+
+unmap_mmio:
+ iounmap(sinfo->mmio);
+release_mem:
+ release_mem_region(info->fix.mmio_start, info->fix.mmio_len);
+free_fb:
+ kfree(info->screen_base);
+
+free_info:
+ framebuffer_release(info);
+
+ dev_dbg(dev, "%s FAILED\n", __func__);
+ return ret;
+}
+
+
+static int __exit s1d15605fb_remove(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct fb_info *info = dev_get_drvdata(dev);
+ struct s1d15605fb_info *sinfo = info->par;
+
+ if (!sinfo)
+ return 0;
+
+ unregister_framebuffer(info);
+
+ iounmap(sinfo->mmio);
+ release_mem_region(info->fix.mmio_start, info->fix.mmio_len);
+
+ kfree(info->screen_base);
+
+ dev_set_drvdata(dev, NULL);
+ framebuffer_release(info);
+ return 0;
+}
+
+
+static struct platform_driver s1d15605fb_driver = {
+ .remove = __exit_p(s1d15605fb_remove),
+ .driver = {
+ .name = "s1d15605fb",
+ .owner = THIS_MODULE,
+ },
+};
+
+
+static int __init s1d15605fb_init(void)
+{
+ return platform_driver_probe(&s1d15605fb_driver, s1d15605fb_probe);
+}
+
+
+static void __exit s1d15605fb_exit(void)
+{
+ platform_driver_unregister(&s1d15605fb_driver);
+}
+
+
+module_init(s1d15605fb_init);
+module_exit(s1d15605fb_exit);
+
+
+MODULE_AUTHOR("KwikByte");
+MODULE_DESCRIPTION("Epson S1D15605 LCD Controller framebuffer driver");
+MODULE_LICENSE("GPL");
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -66,6 +66,14 @@ config AT91RM9200_WATCHDOG
Watchdog timer embedded into AT91RM9200 chips. This will reboot your
system when the timeout is reached.
+config AT91SAM9_WATCHDOG
+ tristate "AT91SAM9 watchdog"
+ depends on ARCH_AT91 && !ARCH_AT91RM9200
+ select WATCHDOG_NOWAYOUT
+ help
+ Watchdog timer embedded into AT91SAM9 chips. This will reboot your
+ system when the timeout is reached.
+
config 21285_WATCHDOG
tristate "DC21285 watchdog"
depends on FOOTBRIDGE
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_USBPCWATCHDOG) += pcwd_usb.
# ARM Architecture
obj-$(CONFIG_AT91RM9200_WATCHDOG) += at91rm9200_wdt.o
+obj-$(CONFIG_AT91SAM9_WATCHDOG) += at91sam9_wdt.o
obj-$(CONFIG_OMAP_WATCHDOG) += omap_wdt.o
obj-$(CONFIG_21285_WATCHDOG) += wdt285.o
obj-$(CONFIG_977_WATCHDOG) += wdt977.o
--- /dev/null
+++ b/drivers/watchdog/at91sam9_wdt.c
@@ -0,0 +1,259 @@
+/*
+ * Watchdog driver for Atmel AT91SAM9x processors.
+ *
+ * Copyright (C) 2007 Renaud CERRATO r.cerrato@til-technologies.fr
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+/*
+ * The Watchdog Timer Mode Register can be only written to once. If the
+ * timeout need to be set from Linux, be sure that the bootstrap or the
+ * bootloader doesn't write to this register.
+ */
+
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/miscdevice.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <linux/watchdog.h>
+#include <linux/bitops.h>
+#include <linux/uaccess.h>
+
+#include <asm/arch/at91_wdt.h>
+
+
+#define WDT_MAX_TIME 16 /* seconds */
+
+static int wdt_timeout = -1; /* invalid */
+
+module_param(wdt_timeout, int, 0);
+MODULE_PARM_DESC(wdt_timeout, "Watchdog time in seconds. (default = disabled)");
+
+
+static unsigned long at91wdt_busy;
+
+/* ......................................................................... */
+
+/*
+ * Reload the watchdog timer. (ie, pat the watchdog)
+ */
+static void inline at91_wdt_reload(void)
+{
+ at91_sys_write(AT91_WDT_CR, AT91_WDT_KEY | AT91_WDT_WDRSTT);
+}
+
+/* ......................................................................... */
+
+/*
+ * Watchdog device is opened, and watchdog starts running.
+ */
+static int at91_wdt_open(struct inode *inode, struct file *file)
+{
+ if (test_and_set_bit(0, &at91wdt_busy))
+ return -EBUSY;
+
+ return nonseekable_open(inode, file);
+}
+
+/*
+ * Close the watchdog device.
+ */
+static int at91_wdt_close(struct inode *inode, struct file *file)
+{
+ clear_bit(0, &at91wdt_busy);
+ return 0;
+}
+
+/*
+ * Change the watchdog time interval.
+ */
+static int at91_wdt_settimeout(int new_time)
+{
+ unsigned int reg, mr;
+ /*
+ * All counting occurs at SLOW_CLOCK / 128 = 256 Hz
+ *
+ * Since WDV is a 12-bit counter, the maximum period is
+ * 4096 / 256 = 16 seconds.
+ */
+ if ((new_time <= 0) || (new_time > WDT_MAX_TIME))
+ return -EINVAL;
+
+ wdt_timeout = new_time;
+
+ /* Program the Watchdog */
+ reg = AT91_WDT_WDRSTEN /* causes watchdog reset */
+ | AT91_WDT_WDRPROC /* causes processor reset */
+ | AT91_WDT_WDDBGHLT /* disabled in debug mode */
+ | AT91_WDT_WDD /* restart at any time */
+ | (((wdt_timeout * 256) - 1) & AT91_WDT_WDV); /* timer value */
+ at91_sys_write(AT91_WDT_MR, reg);
+
+ /* Check if watchdog could be programmed */
+ mr = at91_sys_read(AT91_WDT_MR);
+ if (mr != reg) {
+ printk(KERN_ERR "at91sam9_wdt: Watchdog register already programmed.\n");
+ return -EIO;
+ }
+
+ at91_wdt_reload();
+
+ printk(KERN_INFO "AT91SAM9 Watchdog enabled (%d seconds, nowayout)\n", wdt_timeout);
+ return 0;
+}
+
+static struct watchdog_info at91_wdt_info = {
+ .identity = "at91sam9 watchdog",
+ .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
+};
+
+/*
+ * Handle commands from user-space.
+ */
+static int at91_wdt_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ void __user *argp = (void __user *)arg;
+ int __user *p = argp;
+ int new_value, err;
+
+ switch (cmd) {
+ case WDIOC_KEEPALIVE:
+ at91_wdt_reload(); /* pat the watchdog */
+ return 0;
+
+ case WDIOC_GETSUPPORT:
+ return copy_to_user(argp, &at91_wdt_info, sizeof(at91_wdt_info)) ? -EFAULT : 0;
+
+ case WDIOC_SETTIMEOUT:
+ if (get_user(new_value, p))
+ return -EFAULT;
+
+ err = at91_wdt_settimeout(new_value);
+ if (err)
+ return err;
+
+ return put_user(wdt_timeout, p); /* return current value */
+
+ case WDIOC_GETTIMEOUT:
+ return put_user(wdt_timeout, p);
+
+ case WDIOC_GETSTATUS:
+ case WDIOC_GETBOOTSTATUS:
+ return put_user(0, p);
+ }
+ return -ENOTTY;
+}
+
+/*
+ * Pat the watchdog whenever device is written to.
+ */
+static ssize_t at91_wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos)
+{
+ at91_wdt_reload(); /* pat the watchdog */
+ return len;
+}
+
+/* ......................................................................... */
+
+static const struct file_operations at91wdt_fops = {
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .ioctl = at91_wdt_ioctl,
+ .open = at91_wdt_open,
+ .release = at91_wdt_close,
+ .write = at91_wdt_write,
+};
+
+static struct miscdevice at91wdt_miscdev = {
+ .minor = WATCHDOG_MINOR,
+ .name = "watchdog",
+ .fops = &at91wdt_fops,
+};
+
+static int __init at91wdt_probe(struct platform_device *pdev)
+{
+ int res;
+
+ if (at91wdt_miscdev.parent)
+ return -EBUSY;
+ at91wdt_miscdev.parent = &pdev->dev;
+
+ res = misc_register(&at91wdt_miscdev);
+ if (res)
+ return res;
+
+ /* Set watchdog */
+ if (at91_wdt_settimeout(wdt_timeout) == -EINVAL) {
+ pr_info("at91sam9_wdt: invalid timeout (must be between 1 and %d)\n", WDT_MAX_TIME);
+ return 0;
+ }
+
+ return 0;
+}
+
+static int __exit at91wdt_remove(struct platform_device *pdev)
+{
+ int res;
+
+ res = misc_deregister(&at91wdt_miscdev);
+ if (!res)
+ at91wdt_miscdev.parent = NULL;
+
+ return res;
+}
+
+#ifdef CONFIG_PM
+
+static int at91wdt_suspend(struct platform_device *pdev, pm_message_t message)
+{
+ return 0;
+}
+
+static int at91wdt_resume(struct platform_device *pdev)
+{
+ return 0;
+}
+
+#else
+#define at91wdt_suspend NULL
+#define at91wdt_resume NULL
+#endif
+
+static struct platform_driver at91wdt_driver = {
+ .remove = __exit_p(at91wdt_remove),
+ .suspend = at91wdt_suspend,
+ .resume = at91wdt_resume,
+ .driver = {
+ .name = "at91_wdt",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init at91sam_wdt_init(void)
+{
+ return platform_driver_probe(&at91wdt_driver, at91wdt_probe);
+}
+
+static void __exit at91sam_wdt_exit(void)
+{
+ platform_driver_unregister(&at91wdt_driver);
+}
+
+module_init(at91sam_wdt_init);
+module_exit(at91sam_wdt_exit);
+
+MODULE_AUTHOR("Renaud CERRATO");
+MODULE_DESCRIPTION("Watchdog driver for Atmel AT91SAM9x processors");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
+MODULE_ALIAS("platform:at91_wdt");
--- a/include/asm-arm/arch-at91/at91_ecc.h
+++ b/include/asm-arm/arch-at91/at91_ecc.h
@@ -1,6 +1,9 @@
/*
* include/asm-arm/arch-at91/at91_ecc.h
*
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* Error Corrected Code Controller (ECC) - System peripherals regsters.
* Based on AT91SAM9260 datasheet revision B.
*
@@ -13,26 +16,26 @@
#ifndef AT91_ECC_H
#define AT91_ECC_H
-#define AT91_ECC_CR (AT91_ECC + 0x00) /* Control register */
+#define AT91_ECC_CR 0x00 /* Control register */
#define AT91_ECC_RST (1 << 0) /* Reset parity */
-#define AT91_ECC_MR (AT91_ECC + 0x04) /* Mode register */
+#define AT91_ECC_MR 0x04 /* Mode register */
#define AT91_ECC_PAGESIZE (3 << 0) /* Page Size */
#define AT91_ECC_PAGESIZE_528 (0)
#define AT91_ECC_PAGESIZE_1056 (1)
#define AT91_ECC_PAGESIZE_2112 (2)
#define AT91_ECC_PAGESIZE_4224 (3)
-#define AT91_ECC_SR (AT91_ECC + 0x08) /* Status register */
+#define AT91_ECC_SR 0x08 /* Status register */
#define AT91_ECC_RECERR (1 << 0) /* Recoverable Error */
#define AT91_ECC_ECCERR (1 << 1) /* ECC Single Bit Error */
#define AT91_ECC_MULERR (1 << 2) /* Multiple Errors */
-#define AT91_ECC_PR (AT91_ECC + 0x0c) /* Parity register */
+#define AT91_ECC_PR 0x0c /* Parity register */
#define AT91_ECC_BITADDR (0xf << 0) /* Bit Error Address */
#define AT91_ECC_WORDADDR (0xfff << 4) /* Word Error Address */
-#define AT91_ECC_NPR (AT91_ECC + 0x10) /* NParity register */
+#define AT91_ECC_NPR 0x10 /* NParity register */
#define AT91_ECC_NPARITY (0xffff << 0) /* NParity */
#endif
--- a/include/asm-arm/arch-at91/at91_pit.h
+++ b/include/asm-arm/arch-at91/at91_pit.h
@@ -1,6 +1,9 @@
/*
* include/asm-arm/arch-at91/at91_pit.h
*
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* Periodic Interval Timer (PIT) - System peripherals regsters.
* Based on AT91SAM9261 datasheet revision D.
*
--- a/include/asm-arm/arch-at91/at91_pmc.h
+++ b/include/asm-arm/arch-at91/at91_pmc.h
@@ -23,6 +23,7 @@
#define AT91_PMC_PCK (1 << 0) /* Processor Clock */
#define AT91RM9200_PMC_UDP (1 << 1) /* USB Devcice Port Clock [AT91RM9200 only] */
#define AT91RM9200_PMC_MCKUDP (1 << 2) /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */
+#define AT91CAP9_PMC_DDR (1 << 2) /* DDR Clock [AT91CAP9 revC only] */
#define AT91RM9200_PMC_UHP (1 << 4) /* USB Host Port Clock [AT91RM9200 only] */
#define AT91SAM926x_PMC_UHP (1 << 6) /* USB Host Port Clock [AT91SAM926x only] */
#define AT91CAP9_PMC_UHP (1 << 6) /* USB Host Port Clock [AT91CAP9 only] */
@@ -39,10 +40,14 @@
#define AT91_PMC_PCSR (AT91_PMC + 0x18) /* Peripheral Clock Status Register */
#define AT91_CKGR_UCKR (AT91_PMC + 0x1C) /* UTMI Clock Register [SAM9RL, CAP9] */
+#define AT91_PMC_UPLLEN (1 << 16) /* UTMI PLL Enable */
+#define AT91_PMC_UPLLCOUNT (0xf << 20) /* UTMI PLL Start-up Time */
+#define AT91_PMC_BIASEN (1 << 24) /* UTMI BIAS Enable */
+#define AT91_PMC_BIASCOUNT (0xf << 28) /* UTMI PLL Start-up Time */
#define AT91_CKGR_MOR (AT91_PMC + 0x20) /* Main Oscillator Register [not on SAM9RL] */
#define AT91_PMC_MOSCEN (1 << 0) /* Main Oscillator Enable */
-#define AT91_PMC_OSCBYPASS (1 << 1) /* Oscillator Bypass [AT91SAM926x only] */
+#define AT91_PMC_OSCBYPASS (1 << 1) /* Oscillator Bypass [SAM9x, CAP9] */
#define AT91_PMC_OSCOUNT (0xff << 8) /* Main Oscillator Start-up Time */
#define AT91_CKGR_MCFR (AT91_PMC + 0x24) /* Main Clock Frequency Register */
@@ -56,6 +61,7 @@
#define AT91_PMC_OUT (3 << 14) /* PLL Clock Frequency Range */
#define AT91_PMC_MUL (0x7ff << 16) /* PLL Multiplier */
#define AT91_PMC_USBDIV (3 << 28) /* USB Divisor (PLLB only) */
+#define AT91CAP9_PMC_USBDIV (0xf << 28) /* USB Divisor (PLLB only) [AT91CAP9 revC only] */
#define AT91_PMC_USBDIV_1 (0 << 28)
#define AT91_PMC_USBDIV_2 (1 << 28)
#define AT91_PMC_USBDIV_4 (2 << 28)
@@ -76,10 +82,13 @@
#define AT91_PMC_PRES_32 (5 << 2)
#define AT91_PMC_PRES_64 (6 << 2)
#define AT91_PMC_MDIV (3 << 8) /* Master Clock Division */
-#define AT91_PMC_MDIV_1 (0 << 8)
-#define AT91_PMC_MDIV_2 (1 << 8)
-#define AT91_PMC_MDIV_3 (2 << 8)
-#define AT91_PMC_MDIV_4 (3 << 8)
+#define AT91RM9200_PMC_MDIV_1 (0 << 8) /* [AT91RM9200 only] */
+#define AT91RM9200_PMC_MDIV_2 (1 << 8)
+#define AT91RM9200_PMC_MDIV_3 (2 << 8)
+#define AT91RM9200_PMC_MDIV_4 (3 << 8)
+#define AT91SAM9_PMC_MDIV_1 (0 << 8) /* [SAM9,CAP9 only] */
+#define AT91SAM9_PMC_MDIV_2 (1 << 8)
+#define AT91SAM9_PMC_MDIV_4 (2 << 8)
#define AT91_PMC_PCKR(n) (AT91_PMC + 0x40 + ((n) * 4)) /* Programmable Clock 0-3 Registers */
@@ -90,10 +99,17 @@
#define AT91_PMC_LOCKA (1 << 1) /* PLLA Lock */
#define AT91_PMC_LOCKB (1 << 2) /* PLLB Lock */
#define AT91_PMC_MCKRDY (1 << 3) /* Master Clock */
+#define AT91_PMC_LOCKU (1 << 6) /* UPLL Lock [AT91CAP9 only] */
+#define AT91_PMC_OSCSEL (1 << 7) /* Slow Clock Oscillator [AT91CAP9 revC only] */
#define AT91_PMC_PCK0RDY (1 << 8) /* Programmable Clock 0 */
#define AT91_PMC_PCK1RDY (1 << 9) /* Programmable Clock 1 */
#define AT91_PMC_PCK2RDY (1 << 10) /* Programmable Clock 2 */
#define AT91_PMC_PCK3RDY (1 << 11) /* Programmable Clock 3 */
#define AT91_PMC_IMR (AT91_PMC + 0x6c) /* Interrupt Mask Register */
+#define AT91_PMC_PROT (AT91_PMC + 0xe4) /* Protect Register [AT91CAP9 revC only] */
+#define AT91_PMC_PROTKEY 0x504d4301 /* Activation Code */
+
+#define AT91_PMC_VER (AT91_PMC + 0xfc) /* PMC Module Version [AT91CAP9 only] */
+
#endif
--- a/include/asm-arm/arch-at91/at91_rstc.h
+++ b/include/asm-arm/arch-at91/at91_rstc.h
@@ -1,6 +1,9 @@
/*
* include/asm-arm/arch-at91/at91_rstc.h
*
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* Reset Controller (RSTC) - System peripherals regsters.
* Based on AT91SAM9261 datasheet revision D.
*
--- a/include/asm-arm/arch-at91/at91_rtt.h
+++ b/include/asm-arm/arch-at91/at91_rtt.h
@@ -1,6 +1,9 @@
/*
* include/asm-arm/arch-at91/at91_rtt.h
*
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* Real-time Timer (RTT) - System peripherals regsters.
* Based on AT91SAM9261 datasheet revision D.
*
--- a/include/asm-arm/arch-at91/at91_shdwc.h
+++ b/include/asm-arm/arch-at91/at91_shdwc.h
@@ -1,6 +1,9 @@
/*
* include/asm-arm/arch-at91/at91_shdwc.h
*
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* Shutdown Controller (SHDWC) - System peripherals regsters.
* Based on AT91SAM9261 datasheet revision D.
*
@@ -24,10 +27,12 @@
#define AT91_SHDW_WKMODE0_LOW 2
#define AT91_SHDW_WKMODE0_ANYLEVEL 3
#define AT91_SHDW_CPTWK0 (0xf << 4) /* Counter On Wake Up 0 */
+#define AT91_SHDW_CPTWK0_(x) ((x) << 4)
#define AT91_SHDW_RTTWKEN (1 << 16) /* Real Time Timer Wake-up Enable */
#define AT91_SHDW_SR (AT91_SHDWC + 0x08) /* Shut Down Status Register */
#define AT91_SHDW_WAKEUP0 (1 << 0) /* Wake-up 0 Status */
#define AT91_SHDW_RTTWK (1 << 16) /* Real-time Timer Wake-up */
+#define AT91_SHDW_RTCWK (1 << 17) /* Real-time Clock Wake-up [SAM9RL] */
#endif
--- /dev/null
+++ b/include/asm-arm/arch-at91/at91_tsc.h
@@ -0,0 +1,76 @@
+/*
+ * include/asm-arm/arch-at91/at91_tsc.h
+ *
+ * Copyright (C) 2008 Andrew Victor
+ *
+ * Touch Screen ADC Controller (TSC)
+ * Based on AT91SAM9RL64 preliminary draft datasheet.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef AT91_TSC_H
+#define AT91_TSC_H
+
+#define AT91_TSADCC_CR 0x00 /* Control register */
+#define AT91_TSADCC_SWRST (1 << 0) /* Software Reset*/
+#define AT91_TSADCC_START (1 << 1) /* Start conversion */
+
+#define AT91_TSADCC_MR 0x04 /* Mode register */
+#define AT91_TSADCC_TSAMOD (3 << 0) /* ADC mode */
+#define AT91_TSADCC_LOWRES (1 << 4) /* Resolution selection */
+#define AT91_TSADCC_SLEEP (1 << 5) /* Sleep mode */
+#define AT91_TSADCC_PENDET (1 << 6) /* Pen Detect selection */
+#define AT91_TSADCC_PRESCAL (0x3f << 8) /* Prescalar Rate Selection */
+#define AT91_TSADCC_STARTUP (0x7f << 16) /* Start Up time */
+#define AT91_TSADCC_SHTIM (0xf << 24) /* Sample & Hold time */
+#define AT91_TSADCC_PENDBC (0xf << 28) /* Pen Detect debouncing time */
+
+#define AT91_TSADCC_TRGR 0x08 /* Trigger register */
+#define AT91_TSADCC_TRGMOD (7 << 0) /* Trigger mode */
+#define AT91_TSADCC_TRGMOD_NONE (0 << 0)
+#define AT91_TSADCC_TRGMOD_EXT_RISING (1 << 0)
+#define AT91_TSADCC_TRGMOD_EXT_FALLING (2 << 0)
+#define AT91_TSADCC_TRGMOD_EXT_ANY (3 << 0)
+#define AT91_TSADCC_TRGMOD_PENDET (4 << 0)
+#define AT91_TSADCC_TRGMOD_PERIOD (5 << 0)
+#define AT91_TSADCC_TRGMOD_CONTINUOUS (6 << 0)
+#define AT91_TSADCC_TRGPER (0xffff << 16) /* Trigger period */
+
+#define AT91_TSADCC_TSR 0x0C /* Touch Screen register */
+#define AT91_TSADCC_TSFREQ (0xf << 0) /* TS Frequency in Interleaved mode */
+#define AT91_TSADCC_TSSHTIM (0xf << 24) /* Sample & Hold time */
+
+#define AT91_TSADCC_CHER 0x10 /* Channel Enable register */
+#define AT91_TSADCC_CHDR 0x14 /* Channel Disable register */
+#define AT91_TSADCC_CHSR 0x18 /* Channel Status register */
+#define AT91_TSADCC_CH(n) (1 << (n)) /* Channel number */
+
+#define AT91_TSADCC_SR 0x1C /* Status register */
+#define AT91_TSADCC_EOC(n) (1 << ((n)+0)) /* End of conversion for channel N */
+#define AT91_TSADCC_OVRE(n) (1 << ((n)+8)) /* Overrun error for channel N */
+#define AT91_TSADCC_DRDY (1 << 16) /* Data Ready */
+#define AT91_TSADCC_GOVRE (1 << 17) /* General Overrun Error */
+#define AT91_TSADCC_ENDRX (1 << 18) /* End of RX Buffer */
+#define AT91_TSADCC_RXBUFF (1 << 19) /* TX Buffer full */
+#define AT91_TSADCC_PENCNT (1 << 20) /* Pen contact */
+#define AT91_TSADCC_NOCNT (1 << 21) /* No contact */
+
+#define AT91_TSADCC_LCDR 0x20 /* Last Converted Data register */
+#define AT91_TSADCC_DATA (0x3ff << 0) /* Channel data */
+
+#define AT91_TSADCC_IER 0x24 /* Interrupt Enable register */
+#define AT91_TSADCC_IDR 0x28 /* Interrupt Disable register */
+#define AT91_TSADCC_IMR 0x2C /* Interrupt Mask register */
+#define AT91_TSADCC_CDR0 0x30 /* Channel Data 0 */
+#define AT91_TSADCC_CDR1 0x34 /* Channel Data 1 */
+#define AT91_TSADCC_CDR2 0x38 /* Channel Data 2 */
+#define AT91_TSADCC_CDR3 0x3C /* Channel Data 3 */
+#define AT91_TSADCC_CDR4 0x40 /* Channel Data 4 */
+#define AT91_TSADCC_CDR5 0x44 /* Channel Data 5 */
+
+#endif
+
--- a/include/asm-arm/arch-at91/at91_wdt.h
+++ b/include/asm-arm/arch-at91/at91_wdt.h
@@ -1,6 +1,9 @@
/*
* include/asm-arm/arch-at91/at91_wdt.h
*
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* Watchdog Timer (WDT) - System peripherals regsters.
* Based on AT91SAM9261 datasheet revision D.
*
--- a/include/asm-arm/arch-at91/at91cap9.h
+++ b/include/asm-arm/arch-at91/at91cap9.h
@@ -101,7 +101,10 @@
#define AT91_RTT (0xfffffd20 - AT91_BASE_SYS)
#define AT91_PIT (0xfffffd30 - AT91_BASE_SYS)
#define AT91_WDT (0xfffffd40 - AT91_BASE_SYS)
-#define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS)
+#define AT91_SCKCR (0xfffffd50 - AT91_BASE_SYS)
+#define AT91_GPBR (cpu_is_at91cap9_revB() ? \
+ (0xfffffd50 - AT91_BASE_SYS) : \
+ (0xfffffd60 - AT91_BASE_SYS))
#define AT91_USART0 AT91CAP9_BASE_US0
#define AT91_USART1 AT91CAP9_BASE_US1
@@ -118,7 +121,7 @@
#define AT91CAP9_ROM_SIZE (32 * SZ_1K) /* Internal ROM size (32Kb) */
#define AT91CAP9_LCDC_BASE 0x00500000 /* LCD Controller */
-#define AT91CAP9_UDPHS_BASE 0x00600000 /* USB High Speed Device Port */
+#define AT91CAP9_UDPHS_FIFO 0x00600000 /* USB High Speed Device Port */
#define AT91CAP9_UHP_BASE 0x00700000 /* USB Host controller */
#define CONFIG_DRAM_BASE AT91_CHIPSELECT_6
--- /dev/null
+++ b/include/asm-arm/arch-at91/at91cap9_ddrsdr.h
@@ -0,0 +1,102 @@
+/*
+ * include/asm-arm/arch-at91/at91cap9_ddrsdr.h
+ *
+ * (C) 2008 Andrew Victor
+ *
+ * DDR/SDR Controller (DDRSDRC) - System peripherals registers.
+ * Based on AT91CAP9 datasheet revision B.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef AT91CAP9_DDRSDR_H
+#define AT91CAP9_DDRSDR_H
+
+#define AT91_DDRSDRC_MR (AT91_DDRSDRC + 0x00) /* Mode Register */
+#define AT91_DDRSDRC_MODE (0xf << 0) /* Command Mode */
+#define AT91_DDRSDRC_MODE_NORMAL 0
+#define AT91_DDRSDRC_MODE_NOP 1
+#define AT91_DDRSDRC_MODE_PRECHARGE 2
+#define AT91_DDRSDRC_MODE_LMR 3
+#define AT91_DDRSDRC_MODE_REFRESH 4
+#define AT91_DDRSDRC_MODE_EXT_LMR 5
+#define AT91_DDRSDRC_MODE_DEEP 6
+
+#define AT91_DDRSDRC_RTR (AT91_DDRSDRC + 0x04) /* Refresh Timer Register */
+#define AT91_DDRSDRC_COUNT (0xfff << 0) /* Refresh Timer Counter */
+
+#define AT91_DDRSDRC_CR (AT91_DDRSDRC + 0x08) /* Configuration Register */
+#define AT91_DDRSDRC_NC (3 << 0) /* Number of Column Bits */
+#define AT91_DDRSDRC_NC_SDR8 (0 << 0)
+#define AT91_DDRSDRC_NC_SDR9 (1 << 0)
+#define AT91_DDRSDRC_NC_SDR10 (2 << 0)
+#define AT91_DDRSDRC_NC_SDR11 (3 << 0)
+#define AT91_DDRSDRC_NC_DDR9 (0 << 0)
+#define AT91_DDRSDRC_NC_DDR10 (1 << 0)
+#define AT91_DDRSDRC_NC_DDR11 (2 << 0)
+#define AT91_DDRSDRC_NC_DDR12 (3 << 0)
+#define AT91_DDRSDRC_NR (3 << 2) /* Number of Row Bits */
+#define AT91_DDRSDRC_NR_11 (0 << 2)
+#define AT91_DDRSDRC_NR_12 (1 << 2)
+#define AT91_DDRSDRC_NR_13 (2 << 2)
+#define AT91_DDRSDRC_CAS (7 << 4) /* CAS Latency */
+#define AT91_DDRSDRC_CAS_2 (2 << 4)
+#define AT91_DDRSDRC_CAS_3 (3 << 4)
+#define AT91_DDRSDRC_CAS_25 (6 << 4)
+#define AT91_DDRSDRC_DLL (1 << 7) /* Reset DLL */
+#define AT91_DDRSDRC_DICDS (1 << 8) /* Output impedance control */
+
+#define AT91_DDRSDRC_T0PR (AT91_DDRSDRC + 0x0C) /* Timing 0 Register */
+#define AT91_DDRSDRC_TRAS (0xf << 0) /* Active to Precharge delay */
+#define AT91_DDRSDRC_TRCD (0xf << 4) /* Row to Column delay */
+#define AT91_DDRSDRC_TWR (0xf << 8) /* Write recovery delay */
+#define AT91_DDRSDRC_TRC (0xf << 12) /* Row cycle delay */
+#define AT91_DDRSDRC_TRP (0xf << 16) /* Row precharge delay */
+#define AT91_DDRSDRC_TRRD (0xf << 20) /* Active BankA to BankB */
+#define AT91_DDRSDRC_TWTR (1 << 24) /* Internal Write to Read delay */
+#define AT91_DDRSDRC_TMRD (0xf << 28) /* Load mode to active/refresh delay */
+
+#define AT91_DDRSDRC_T1PR (AT91_DDRSDRC + 0x10) /* Timing 1 Register */
+#define AT91_DDRSDRC_TRFC (0x1f << 0) /* Row Cycle Delay */
+#define AT91_DDRSDRC_TXSNR (0xff << 8) /* Exit self-refresh to non-read */
+#define AT91_DDRSDRC_TXSRD (0xff << 16) /* Exit self-refresh to read */
+#define AT91_DDRSDRC_TXP (0xf << 24) /* Exit power-down delay */
+
+#define AT91_DDRSDRC_LPR (AT91_DDRSDRC + 0x18) /* Low Power Register */
+#define AT91_DDRSDRC_LPCB (3 << 0) /* Low-power Configurations */
+#define AT91_DDRSDRC_LPCB_DISABLE 0
+#define AT91_DDRSDRC_LPCB_SELF_REFRESH 1
+#define AT91_DDRSDRC_LPCB_POWER_DOWN 2
+#define AT91_DDRSDRC_LPCB_DEEP_POWER_DOWN 3
+#define AT91_DDRSDRC_CLKFR (1 << 2) /* Clock Frozen */
+#define AT91_DDRSDRC_PASR (7 << 4) /* Partial Array Self Refresh */
+#define AT91_DDRSDRC_TCSR (3 << 8) /* Temperature Compensated Self Refresh */
+#define AT91_DDRSDRC_DS (3 << 10) /* Drive Strength */
+#define AT91_DDRSDRC_TIMEOUT (3 << 12) /* Time to define when Low Power Mode is enabled */
+#define AT91_DDRSDRC_TIMEOUT_0_CLK_CYCLES (0 << 12)
+#define AT91_DDRSDRC_TIMEOUT_64_CLK_CYCLES (1 << 12)
+#define AT91_DDRSDRC_TIMEOUT_128_CLK_CYCLES (2 << 12)
+
+#define AT91_DDRSDRC_MDR (AT91_DDRSDRC + 0x1C) /* Memory Device Register */
+#define AT91_DDRSDRC_MD (3 << 0) /* Memory Device Type */
+#define AT91_DDRSDRC_MD_SDR 0
+#define AT91_DDRSDRC_MD_LOW_POWER_SDR 1
+#define AT91_DDRSDRC_MD_DDR 2
+#define AT91_DDRSDRC_MD_LOW_POWER_DDR 3
+
+#define AT91_DDRSDRC_DLLR (AT91_DDRSDRC + 0x20) /* DLL Information Register */
+#define AT91_DDRSDRC_MDINC (1 << 0) /* Master Delay increment */
+#define AT91_DDRSDRC_MDDEC (1 << 1) /* Master Delay decrement */
+#define AT91_DDRSDRC_MDOVF (1 << 2) /* Master Delay Overflow */
+#define AT91_DDRSDRC_SDCOVF (1 << 3) /* Slave Delay Correction Overflow */
+#define AT91_DDRSDRC_SDCUDF (1 << 4) /* Slave Delay Correction Underflow */
+#define AT91_DDRSDRC_SDERF (1 << 5) /* Slave Delay Correction error */
+#define AT91_DDRSDRC_MDVAL (0xff << 8) /* Master Delay value */
+#define AT91_DDRSDRC_SDVAL (0xff << 16) /* Slave Delay value */
+#define AT91_DDRSDRC_SDCVAL (0xff << 24) /* Slave Delay Correction value */
+
+
+#endif
--- a/include/asm-arm/arch-at91/at91cap9_matrix.h
+++ b/include/asm-arm/arch-at91/at91cap9_matrix.h
@@ -106,6 +106,11 @@
#define AT91_MPBS0_SFR (AT91_MATRIX + 0x114) /* MPBlock Slave 0 Special Function Register */
#define AT91_MPBS1_SFR (AT91_MATRIX + 0x11C) /* MPBlock Slave 1 Special Function Register */
+#define AT91_MATRIX_UDPHS (AT91_MATRIX + 0x118) /* USBHS Special Function Register [AT91CAP9 only] */
+#define AT91_MATRIX_SELECT_UDPHS (0 << 31) /* select High Speed UDP */
+#define AT91_MATRIX_SELECT_UDP (1 << 31) /* select standard UDP */
+#define AT91_MATRIX_UDPHS_BYPASS_LOCK (1 << 30) /* bypass lock bit */
+
#define AT91_MATRIX_EBICSA (AT91_MATRIX + 0x120) /* EBI Chip Select Assignment Register */
#define AT91_MATRIX_EBI_CS1A (1 << 1) /* Chip Select 1 Assignment */
#define AT91_MATRIX_EBI_CS1A_SMC (0 << 1)
--- a/include/asm-arm/arch-at91/at91sam9260_matrix.h
+++ b/include/asm-arm/arch-at91/at91sam9260_matrix.h
@@ -1,6 +1,8 @@
/*
* include/asm-arm/arch-at91/at91sam9260_matrix.h
*
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* Memory Controllers (MATRIX, EBI) - System peripherals registers.
* Based on AT91SAM9260 datasheet revision B.
*
--- a/include/asm-arm/arch-at91/at91sam9261_matrix.h
+++ b/include/asm-arm/arch-at91/at91sam9261_matrix.h
@@ -1,6 +1,8 @@
/*
* include/asm-arm/arch-at91/at91sam9261_matrix.h
*
+ * Copyright (C) 2007 Atmel Corporation.
+ *
* Memory Controllers (MATRIX, EBI) - System peripherals registers.
* Based on AT91SAM9261 datasheet revision D.
*
--- a/include/asm-arm/arch-at91/at91sam926x_mc.h
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * include/asm-arm/arch-at91/at91sam926x_mc.h
- *
- * Memory Controllers (SMC, SDRAMC) - System peripherals registers.
- * Based on AT91SAM9261 datasheet revision D.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#ifndef AT91SAM926x_MC_H
-#define AT91SAM926x_MC_H
-
-/* SDRAM Controller (SDRAMC) registers */
-#define AT91_SDRAMC_MR (AT91_SDRAMC + 0x00) /* SDRAM Controller Mode Register */
-#define AT91_SDRAMC_MODE (0xf << 0) /* Command Mode */
-#define AT91_SDRAMC_MODE_NORMAL 0
-#define AT91_SDRAMC_MODE_NOP 1
-#define AT91_SDRAMC_MODE_PRECHARGE 2
-#define AT91_SDRAMC_MODE_LMR 3
-#define AT91_SDRAMC_MODE_REFRESH 4
-#define AT91_SDRAMC_MODE_EXT_LMR 5
-#define AT91_SDRAMC_MODE_DEEP 6
-
-#define AT91_SDRAMC_TR (AT91_SDRAMC + 0x04) /* SDRAM Controller Refresh Timer Register */
-#define AT91_SDRAMC_COUNT (0xfff << 0) /* Refresh Timer Counter */
-
-#define AT91_SDRAMC_CR (AT91_SDRAMC + 0x08) /* SDRAM Controller Configuration Register */
-#define AT91_SDRAMC_NC (3 << 0) /* Number of Column Bits */
-#define AT91_SDRAMC_NC_8 (0 << 0)
-#define AT91_SDRAMC_NC_9 (1 << 0)
-#define AT91_SDRAMC_NC_10 (2 << 0)
-#define AT91_SDRAMC_NC_11 (3 << 0)
-#define AT91_SDRAMC_NR (3 << 2) /* Number of Row Bits */
-#define AT91_SDRAMC_NR_11 (0 << 2)
-#define AT91_SDRAMC_NR_12 (1 << 2)
-#define AT91_SDRAMC_NR_13 (2 << 2)
-#define AT91_SDRAMC_NB (1 << 4) /* Number of Banks */
-#define AT91_SDRAMC_NB_2 (0 << 4)
-#define AT91_SDRAMC_NB_4 (1 << 4)
-#define AT91_SDRAMC_CAS (3 << 5) /* CAS Latency */
-#define AT91_SDRAMC_CAS_1 (1 << 5)
-#define AT91_SDRAMC_CAS_2 (2 << 5)
-#define AT91_SDRAMC_CAS_3 (3 << 5)
-#define AT91_SDRAMC_DBW (1 << 7) /* Data Bus Width */
-#define AT91_SDRAMC_DBW_32 (0 << 7)
-#define AT91_SDRAMC_DBW_16 (1 << 7)
-#define AT91_SDRAMC_TWR (0xf << 8) /* Write Recovery Delay */
-#define AT91_SDRAMC_TRC (0xf << 12) /* Row Cycle Delay */
-#define AT91_SDRAMC_TRP (0xf << 16) /* Row Precharge Delay */
-#define AT91_SDRAMC_TRCD (0xf << 20) /* Row to Column Delay */
-#define AT91_SDRAMC_TRAS (0xf << 24) /* Active to Precharge Delay */
-#define AT91_SDRAMC_TXSR (0xf << 28) /* Exit Self Refresh to Active Delay */
-
-#define AT91_SDRAMC_LPR (AT91_SDRAMC + 0x10) /* SDRAM Controller Low Power Register */
-#define AT91_SDRAMC_LPCB (3 << 0) /* Low-power Configurations */
-#define AT91_SDRAMC_LPCB_DISABLE 0
-#define AT91_SDRAMC_LPCB_SELF_REFRESH 1
-#define AT91_SDRAMC_LPCB_POWER_DOWN 2
-#define AT91_SDRAMC_LPCB_DEEP_POWER_DOWN 3
-#define AT91_SDRAMC_PASR (7 << 4) /* Partial Array Self Refresh */
-#define AT91_SDRAMC_TCSR (3 << 8) /* Temperature Compensated Self Refresh */
-#define AT91_SDRAMC_DS (3 << 10) /* Drive Strenght */
-#define AT91_SDRAMC_TIMEOUT (3 << 12) /* Time to define when Low Power Mode is enabled */
-#define AT91_SDRAMC_TIMEOUT_0_CLK_CYCLES (0 << 12)
-#define AT91_SDRAMC_TIMEOUT_64_CLK_CYCLES (1 << 12)
-#define AT91_SDRAMC_TIMEOUT_128_CLK_CYCLES (2 << 12)
-
-#define AT91_SDRAMC_IER (AT91_SDRAMC + 0x14) /* SDRAM Controller Interrupt Enable Register */
-#define AT91_SDRAMC_IDR (AT91_SDRAMC + 0x18) /* SDRAM Controller Interrupt Disable Register */
-#define AT91_SDRAMC_IMR (AT91_SDRAMC + 0x1C) /* SDRAM Controller Interrupt Mask Register */
-#define AT91_SDRAMC_ISR (AT91_SDRAMC + 0x20) /* SDRAM Controller Interrupt Status Register */
-#define AT91_SDRAMC_RES (1 << 0) /* Refresh Error Status */
-
-#define AT91_SDRAMC_MDR (AT91_SDRAMC + 0x24) /* SDRAM Memory Device Register */
-#define AT91_SDRAMC_MD (3 << 0) /* Memory Device Type */
-#define AT91_SDRAMC_MD_SDRAM 0
-#define AT91_SDRAMC_MD_LOW_POWER_SDRAM 1
-
-
-/* Static Memory Controller (SMC) registers */
-#define AT91_SMC_SETUP(n) (AT91_SMC + 0x00 + ((n)*0x10)) /* Setup Register for CS n */
-#define AT91_SMC_NWESETUP (0x3f << 0) /* NWE Setup Length */
-#define AT91_SMC_NWESETUP_(x) ((x) << 0)
-#define AT91_SMC_NCS_WRSETUP (0x3f << 8) /* NCS Setup Length in Write Access */
-#define AT91_SMC_NCS_WRSETUP_(x) ((x) << 8)
-#define AT91_SMC_NRDSETUP (0x3f << 16) /* NRD Setup Length */
-#define AT91_SMC_NRDSETUP_(x) ((x) << 16)
-#define AT91_SMC_NCS_RDSETUP (0x3f << 24) /* NCS Setup Length in Read Access */
-#define AT91_SMC_NCS_RDSETUP_(x) ((x) << 24)
-
-#define AT91_SMC_PULSE(n) (AT91_SMC + 0x04 + ((n)*0x10)) /* Pulse Register for CS n */
-#define AT91_SMC_NWEPULSE (0x7f << 0) /* NWE Pulse Length */
-#define AT91_SMC_NWEPULSE_(x) ((x) << 0)
-#define AT91_SMC_NCS_WRPULSE (0x7f << 8) /* NCS Pulse Length in Write Access */
-#define AT91_SMC_NCS_WRPULSE_(x)((x) << 8)
-#define AT91_SMC_NRDPULSE (0x7f << 16) /* NRD Pulse Length */
-#define AT91_SMC_NRDPULSE_(x) ((x) << 16)
-#define AT91_SMC_NCS_RDPULSE (0x7f << 24) /* NCS Pulse Length in Read Access */
-#define AT91_SMC_NCS_RDPULSE_(x)((x) << 24)
-
-#define AT91_SMC_CYCLE(n) (AT91_SMC + 0x08 + ((n)*0x10)) /* Cycle Register for CS n */
-#define AT91_SMC_NWECYCLE (0x1ff << 0 ) /* Total Write Cycle Length */
-#define AT91_SMC_NWECYCLE_(x) ((x) << 0)
-#define AT91_SMC_NRDCYCLE (0x1ff << 16) /* Total Read Cycle Length */
-#define AT91_SMC_NRDCYCLE_(x) ((x) << 16)
-
-#define AT91_SMC_MODE(n) (AT91_SMC + 0x0c + ((n)*0x10)) /* Mode Register for CS n */
-#define AT91_SMC_READMODE (1 << 0) /* Read Mode */
-#define AT91_SMC_WRITEMODE (1 << 1) /* Write Mode */
-#define AT91_SMC_EXNWMODE (3 << 4) /* NWAIT Mode */
-#define AT91_SMC_EXNWMODE_DISABLE (0 << 4)
-#define AT91_SMC_EXNWMODE_FROZEN (2 << 4)
-#define AT91_SMC_EXNWMODE_READY (3 << 4)
-#define AT91_SMC_BAT (1 << 8) /* Byte Access Type */
-#define AT91_SMC_BAT_SELECT (0 << 8)
-#define AT91_SMC_BAT_WRITE (1 << 8)
-#define AT91_SMC_DBW (3 << 12) /* Data Bus Width */
-#define AT91_SMC_DBW_8 (0 << 12)
-#define AT91_SMC_DBW_16 (1 << 12)
-#define AT91_SMC_DBW_32 (2 << 12)
-#define AT91_SMC_TDF (0xf << 16) /* Data Float Time. */
-#define AT91_SMC_TDF_(x) ((x) << 16)
-#define AT91_SMC_TDFMODE (1 << 20) /* TDF Optimization - Enabled */
-#define AT91_SMC_PMEN (1 << 24) /* Page Mode Enabled */
-#define AT91_SMC_PS (3 << 28) /* Page Size */
-#define AT91_SMC_PS_4 (0 << 28)
-#define AT91_SMC_PS_8 (1 << 28)
-#define AT91_SMC_PS_16 (2 << 28)
-#define AT91_SMC_PS_32 (3 << 28)
-
-#if defined(AT91_SMC1) /* The AT91SAM9263 has 2 Static Memory contollers */
-#define AT91_SMC1_SETUP(n) (AT91_SMC1 + 0x00 + ((n)*0x10)) /* Setup Register for CS n */
-#define AT91_SMC1_PULSE(n) (AT91_SMC1 + 0x04 + ((n)*0x10)) /* Pulse Register for CS n */
-#define AT91_SMC1_CYCLE(n) (AT91_SMC1 + 0x08 + ((n)*0x10)) /* Cycle Register for CS n */
-#define AT91_SMC1_MODE(n) (AT91_SMC1 + 0x0c + ((n)*0x10)) /* Mode Register for CS n */
-#endif
-
-#endif
--- /dev/null
+++ b/include/asm-arm/arch-at91/at91sam9_sdramc.h
@@ -0,0 +1,86 @@
+/*
+ * include/asm-arm/arch-at91/at91sam9_sdramc.h
+ *
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
+ * SDRAM Controllers (SDRAMC) - System peripherals registers.
+ * Based on AT91SAM9261 datasheet revision D.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef AT91SAM9_SDRAMC_H
+#define AT91SAM9_SDRAMC_H
+
+/* SDRAM Controller (SDRAMC) registers */
+#define AT91_SDRAMC_MR (AT91_SDRAMC + 0x00) /* SDRAM Controller Mode Register */
+#define AT91_SDRAMC_MODE (0xf << 0) /* Command Mode */
+#define AT91_SDRAMC_MODE_NORMAL 0
+#define AT91_SDRAMC_MODE_NOP 1
+#define AT91_SDRAMC_MODE_PRECHARGE 2
+#define AT91_SDRAMC_MODE_LMR 3
+#define AT91_SDRAMC_MODE_REFRESH 4
+#define AT91_SDRAMC_MODE_EXT_LMR 5
+#define AT91_SDRAMC_MODE_DEEP 6
+
+#define AT91_SDRAMC_TR (AT91_SDRAMC + 0x04) /* SDRAM Controller Refresh Timer Register */
+#define AT91_SDRAMC_COUNT (0xfff << 0) /* Refresh Timer Counter */
+
+#define AT91_SDRAMC_CR (AT91_SDRAMC + 0x08) /* SDRAM Controller Configuration Register */
+#define AT91_SDRAMC_NC (3 << 0) /* Number of Column Bits */
+#define AT91_SDRAMC_NC_8 (0 << 0)
+#define AT91_SDRAMC_NC_9 (1 << 0)
+#define AT91_SDRAMC_NC_10 (2 << 0)
+#define AT91_SDRAMC_NC_11 (3 << 0)
+#define AT91_SDRAMC_NR (3 << 2) /* Number of Row Bits */
+#define AT91_SDRAMC_NR_11 (0 << 2)
+#define AT91_SDRAMC_NR_12 (1 << 2)
+#define AT91_SDRAMC_NR_13 (2 << 2)
+#define AT91_SDRAMC_NB (1 << 4) /* Number of Banks */
+#define AT91_SDRAMC_NB_2 (0 << 4)
+#define AT91_SDRAMC_NB_4 (1 << 4)
+#define AT91_SDRAMC_CAS (3 << 5) /* CAS Latency */
+#define AT91_SDRAMC_CAS_1 (1 << 5)
+#define AT91_SDRAMC_CAS_2 (2 << 5)
+#define AT91_SDRAMC_CAS_3 (3 << 5)
+#define AT91_SDRAMC_DBW (1 << 7) /* Data Bus Width */
+#define AT91_SDRAMC_DBW_32 (0 << 7)
+#define AT91_SDRAMC_DBW_16 (1 << 7)
+#define AT91_SDRAMC_TWR (0xf << 8) /* Write Recovery Delay */
+#define AT91_SDRAMC_TRC (0xf << 12) /* Row Cycle Delay */
+#define AT91_SDRAMC_TRP (0xf << 16) /* Row Precharge Delay */
+#define AT91_SDRAMC_TRCD (0xf << 20) /* Row to Column Delay */
+#define AT91_SDRAMC_TRAS (0xf << 24) /* Active to Precharge Delay */
+#define AT91_SDRAMC_TXSR (0xf << 28) /* Exit Self Refresh to Active Delay */
+
+#define AT91_SDRAMC_LPR (AT91_SDRAMC + 0x10) /* SDRAM Controller Low Power Register */
+#define AT91_SDRAMC_LPCB (3 << 0) /* Low-power Configurations */
+#define AT91_SDRAMC_LPCB_DISABLE 0
+#define AT91_SDRAMC_LPCB_SELF_REFRESH 1
+#define AT91_SDRAMC_LPCB_POWER_DOWN 2
+#define AT91_SDRAMC_LPCB_DEEP_POWER_DOWN 3
+#define AT91_SDRAMC_PASR (7 << 4) /* Partial Array Self Refresh */
+#define AT91_SDRAMC_TCSR (3 << 8) /* Temperature Compensated Self Refresh */
+#define AT91_SDRAMC_DS (3 << 10) /* Drive Strength */
+#define AT91_SDRAMC_TIMEOUT (3 << 12) /* Time to define when Low Power Mode is enabled */
+#define AT91_SDRAMC_TIMEOUT_0_CLK_CYCLES (0 << 12)
+#define AT91_SDRAMC_TIMEOUT_64_CLK_CYCLES (1 << 12)
+#define AT91_SDRAMC_TIMEOUT_128_CLK_CYCLES (2 << 12)
+
+#define AT91_SDRAMC_IER (AT91_SDRAMC + 0x14) /* SDRAM Controller Interrupt Enable Register */
+#define AT91_SDRAMC_IDR (AT91_SDRAMC + 0x18) /* SDRAM Controller Interrupt Disable Register */
+#define AT91_SDRAMC_IMR (AT91_SDRAMC + 0x1C) /* SDRAM Controller Interrupt Mask Register */
+#define AT91_SDRAMC_ISR (AT91_SDRAMC + 0x20) /* SDRAM Controller Interrupt Status Register */
+#define AT91_SDRAMC_RES (1 << 0) /* Refresh Error Status */
+
+#define AT91_SDRAMC_MDR (AT91_SDRAMC + 0x24) /* SDRAM Memory Device Register */
+#define AT91_SDRAMC_MD (3 << 0) /* Memory Device Type */
+#define AT91_SDRAMC_MD_SDRAM 0
+#define AT91_SDRAMC_MD_LOW_POWER_SDRAM 1
+
+
+#endif
--- /dev/null
+++ b/include/asm-arm/arch-at91/at91sam9_smc.h
@@ -0,0 +1,76 @@
+/*
+ * include/asm-arm/arch-at91/at91sam9_smc.h
+ *
+ * Copyright (C) 2007 Andrew Victor
+ * Copyright (C) 2007 Atmel Corporation.
+ *
+ * Static Memory Controllers (SMC) - System peripherals registers.
+ * Based on AT91SAM9261 datasheet revision D.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef AT91SAM9_SMC_H
+#define AT91SAM9_SMC_H
+
+#define AT91_SMC_SETUP(n) (AT91_SMC + 0x00 + ((n)*0x10)) /* Setup Register for CS n */
+#define AT91_SMC_NWESETUP (0x3f << 0) /* NWE Setup Length */
+#define AT91_SMC_NWESETUP_(x) ((x) << 0)
+#define AT91_SMC_NCS_WRSETUP (0x3f << 8) /* NCS Setup Length in Write Access */
+#define AT91_SMC_NCS_WRSETUP_(x) ((x) << 8)
+#define AT91_SMC_NRDSETUP (0x3f << 16) /* NRD Setup Length */
+#define AT91_SMC_NRDSETUP_(x) ((x) << 16)
+#define AT91_SMC_NCS_RDSETUP (0x3f << 24) /* NCS Setup Length in Read Access */
+#define AT91_SMC_NCS_RDSETUP_(x) ((x) << 24)
+
+#define AT91_SMC_PULSE(n) (AT91_SMC + 0x04 + ((n)*0x10)) /* Pulse Register for CS n */
+#define AT91_SMC_NWEPULSE (0x7f << 0) /* NWE Pulse Length */
+#define AT91_SMC_NWEPULSE_(x) ((x) << 0)
+#define AT91_SMC_NCS_WRPULSE (0x7f << 8) /* NCS Pulse Length in Write Access */
+#define AT91_SMC_NCS_WRPULSE_(x)((x) << 8)
+#define AT91_SMC_NRDPULSE (0x7f << 16) /* NRD Pulse Length */
+#define AT91_SMC_NRDPULSE_(x) ((x) << 16)
+#define AT91_SMC_NCS_RDPULSE (0x7f << 24) /* NCS Pulse Length in Read Access */
+#define AT91_SMC_NCS_RDPULSE_(x)((x) << 24)
+
+#define AT91_SMC_CYCLE(n) (AT91_SMC + 0x08 + ((n)*0x10)) /* Cycle Register for CS n */
+#define AT91_SMC_NWECYCLE (0x1ff << 0 ) /* Total Write Cycle Length */
+#define AT91_SMC_NWECYCLE_(x) ((x) << 0)
+#define AT91_SMC_NRDCYCLE (0x1ff << 16) /* Total Read Cycle Length */
+#define AT91_SMC_NRDCYCLE_(x) ((x) << 16)
+
+#define AT91_SMC_MODE(n) (AT91_SMC + 0x0c + ((n)*0x10)) /* Mode Register for CS n */
+#define AT91_SMC_READMODE (1 << 0) /* Read Mode */
+#define AT91_SMC_WRITEMODE (1 << 1) /* Write Mode */
+#define AT91_SMC_EXNWMODE (3 << 4) /* NWAIT Mode */
+#define AT91_SMC_EXNWMODE_DISABLE (0 << 4)
+#define AT91_SMC_EXNWMODE_FROZEN (2 << 4)
+#define AT91_SMC_EXNWMODE_READY (3 << 4)
+#define AT91_SMC_BAT (1 << 8) /* Byte Access Type */
+#define AT91_SMC_BAT_SELECT (0 << 8)
+#define AT91_SMC_BAT_WRITE (1 << 8)
+#define AT91_SMC_DBW (3 << 12) /* Data Bus Width */
+#define AT91_SMC_DBW_8 (0 << 12)
+#define AT91_SMC_DBW_16 (1 << 12)
+#define AT91_SMC_DBW_32 (2 << 12)
+#define AT91_SMC_TDF (0xf << 16) /* Data Float Time. */
+#define AT91_SMC_TDF_(x) ((x) << 16)
+#define AT91_SMC_TDFMODE (1 << 20) /* TDF Optimization - Enabled */
+#define AT91_SMC_PMEN (1 << 24) /* Page Mode Enabled */
+#define AT91_SMC_PS (3 << 28) /* Page Size */
+#define AT91_SMC_PS_4 (0 << 28)
+#define AT91_SMC_PS_8 (1 << 28)
+#define AT91_SMC_PS_16 (2 << 28)
+#define AT91_SMC_PS_32 (3 << 28)
+
+#if defined(AT91_SMC1) /* The AT91SAM9263 has 2 Static Memory contollers */
+#define AT91_SMC1_SETUP(n) (AT91_SMC1 + 0x00 + ((n)*0x10)) /* Setup Register for CS n */
+#define AT91_SMC1_PULSE(n) (AT91_SMC1 + 0x04 + ((n)*0x10)) /* Pulse Register for CS n */
+#define AT91_SMC1_CYCLE(n) (AT91_SMC1 + 0x08 + ((n)*0x10)) /* Cycle Register for CS n */
+#define AT91_SMC1_MODE(n) (AT91_SMC1 + 0x0c + ((n)*0x10)) /* Mode Register for CS n */
+#endif
+
+#endif
--- a/include/asm-arm/arch-at91/at91sam9rl.h
+++ b/include/asm-arm/arch-at91/at91sam9rl.h
@@ -110,6 +110,6 @@
#define AT91SAM9RL_ROM_SIZE (2 * SZ_16K) /* Internal ROM size (32Kb) */
#define AT91SAM9RL_LCDC_BASE 0x00500000 /* LCD Controller */
-#define AT91SAM9RL_UDPHS_BASE 0x00600000 /* USB Device HS controller */
+#define AT91SAM9RL_UDPHS_FIFO 0x00600000 /* USB Device HS controller */
#endif
--- a/include/asm-arm/arch-at91/board.h
+++ b/include/asm-arm/arch-at91/board.h
@@ -36,6 +36,7 @@
#include <linux/i2c.h>
#include <linux/leds.h>
#include <linux/spi/spi.h>
+#include <linux/usb/atmel_usba_udc.h>
/* USB Device */
struct at91_udc_data {
@@ -45,6 +46,9 @@ struct at91_udc_data {
};
extern void __init at91_add_device_udc(struct at91_udc_data *data);
+ /* USB High Speed Device */
+extern void __init at91_add_device_usba(struct usba_platform_data *data);
+
/* Compact Flash */
struct at91_cf_data {
u8 irq_pin; /* I/O IRQ */
@@ -158,6 +162,9 @@ extern void __init at91_add_device_ac97(
/* ISI */
extern void __init at91_add_device_isi(void);
+ /* Touchscreen Controller */
+extern void __init at91_add_device_tsadcc(void);
+
/* LEDs */
extern void __init at91_init_leds(u8 cpu_led, u8 timer_led);
extern void __init at91_gpio_leds(struct gpio_led *leds, int nr);
--- a/include/asm-arm/arch-at91/cpu.h
+++ b/include/asm-arm/arch-at91/cpu.h
@@ -48,6 +48,17 @@ static inline unsigned long at91_arch_id
return (at91_sys_read(AT91_DBGU_CIDR) & AT91_CIDR_ARCH);
}
+#ifdef CONFIG_ARCH_AT91CAP9
+#include <asm/arch/at91_pmc.h>
+
+#define ARCH_REVISION_CAP9_B 0x399
+#define ARCH_REVISION_CAP9_C 0x601
+
+static inline unsigned long at91cap9_rev_identify(void)
+{
+ return (at91_sys_read(AT91_PMC_VER));
+}
+#endif
#ifdef CONFIG_ARCH_AT91RM9200
#define cpu_is_at91rm9200() (at91_cpu_identify() == ARCH_ID_AT91RM9200)
@@ -83,8 +94,12 @@ static inline unsigned long at91_arch_id
#ifdef CONFIG_ARCH_AT91CAP9
#define cpu_is_at91cap9() (at91_cpu_identify() == ARCH_ID_AT91CAP9)
+#define cpu_is_at91cap9_revB() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_B)
+#define cpu_is_at91cap9_revC() (at91cap9_rev_identify() == ARCH_REVISION_CAP9_C)
#else
#define cpu_is_at91cap9() (0)
+#define cpu_is_at91cap9_revB() (0)
+#define cpu_is_at91cap9_revC() (0)
#endif
/*
--- /dev/null
+++ b/include/asm-arm/arch-at91/ics1523.h
@@ -0,0 +1,154 @@
+//*----------------------------------------------------------------------------
+//* ATMEL Microcontroller Software Support - ROUSSET -
+//*----------------------------------------------------------------------------
+//* The software is delivered "AS IS" without warranty or condition of any
+//* kind, either express, implied or statutory. This includes without
+//* limitation any warranty or condition with respect to merchantability or
+//* fitness for any particular purpose, or against the infringements of
+//* intellectual property rights of others.
+//*----------------------------------------------------------------------------
+//* File Name : ics1523.h
+//* Object : Clock Generator Prototyping File.
+//*
+//* 1.0 08/28/02 ED : Creation
+//* 1.2 13/01/03 FB : Update on lib V3
+//*----------------------------------------------------------------------------
+
+#ifndef ics1523_h
+#define ics1523_h
+
+/*-------------------------------------------*/
+/* ICS1523 TWI Serial Clock Definition */
+/*-------------------------------------------*/
+
+#define ICS_MIN_CLOCK 100 /* Min Frequency Access Clock KHz */
+#define ICS_MAX_CLOCK 400 /* Max Frequency Access Clock KHz */
+#define ICS_TRANSFER_RATE ICS_MAX_CLOCK /* Transfer speed to apply */
+
+#define ICS_WRITE_CLK_PNB 30 /* TWCK Clock Periods required to write */
+#define ICS_READ_CLK_PNB 40 /* TWCK Clock Periods required to read */
+
+/*-------------------------------------------*/
+/* ICS1523 Write Operation Definition */
+/*-------------------------------------------*/
+
+#define ICS1523_ACCESS_OK 0 /* OK */
+#define ICS1523_ACCESS_ERROR -1 /* NOK */
+
+/*-------------------------------------------*/
+/* ICS1523 Device Addresses Definition */
+/*-------------------------------------------*/
+
+#define ICS_ADDR 0x26 /* Device Address */
+
+/*--------------------------------------------------*/
+/* ICS1523 Registers Internal Addresses Definition */
+/*--------------------------------------------------*/
+
+#define ICS_ICR 0x0 /* Input Control Register */
+#define ICS_LCR 0x1 /* Loop Control Register */
+#define ICS_FD0 0x2 /* PLL FeedBack Divider LSBs */
+#define ICS_FD1 0x3 /* PLL FeedBack Divider MSBs */
+#define ICS_DPAO 0x4 /* Dynamic Phase Aligner Offset */
+#define ICS_DPAC 0x5 /* Dynamic Phase Aligner Resolution */
+#define ICS_OE 0x6 /* Output Enables Register */
+#define ICS_OD 0x7 /* Osc Divider Register */
+#define ICS_SWRST 0x8 /* DPA & PLL Reset Register */
+#define ICS_VID 0x10 /* Chip Version Register */
+#define ICS_RID 0x11 /* Chip Revision Register */
+#define ICS_SR 0x12 /* Status Register */
+
+/*------------------------------------------------------*/
+/* ICS1523 Input Control Register Bits Definition */
+/*------------------------------------------------------*/
+
+#define ICS_PDEN 0x1 /* Phase Detector Enable */
+#define ICS_PDPOL 0x2 /* Phase Detector Enable Polarity */
+#define ICS_REFPOL 0x4 /* External Reference Polarity */
+#define ICS_FBKPOL 0x8 /* External Feedback Polarity */
+#define ICS_FBKSEL 0x10 /* External Feedback Select */
+#define ICS_FUNCSEL 0x20 /* Function Out Select */
+#define ICS_ENPLS 0x40 /* Enable PLL Lock/Ref Status Output */
+#define ICS_ENDLS 0x80 /* Enable DPA Lock/Ref Status Output */
+
+/*-----------------------------------------------------*/
+/* ICS1523 Loop Control Register Bits Definition */
+/*-----------------------------------------------------*/
+
+#define ICS_PFD 0x7 /* Phase Detector Gain */
+#define ICS_PSD 0x30 /* Post-Scaler Divider */
+
+/*----------------------------------------------------*/
+/* ICS1523 PLL FeedBack Divider LSBs Definition */
+/*----------------------------------------------------*/
+
+#define ICS_FBDL 0xFF /* PLL FeedBack Divider LSBs */
+
+/*----------------------------------------------------*/
+/* ICS1523 PLL FeedBack Divider MSBs Definition */
+/*----------------------------------------------------*/
+
+#define ICS_FBDM 0xF /* PLL FeedBack Divider MSBs */
+
+/*------------------------------------------------------------*/
+/* ICS1523 Dynamic Phase Aligner Offset Bits Definition */
+/*------------------------------------------------------------*/
+
+#define ICS_DPAOS 0x2F /* Dynamic Phase Aligner Offset */
+#define ICS_FILSEL 0x80 /* Loop Filter Select */
+
+/*----------------------------------------------------------------*/
+/* ICS1523 Dynamic Phase Aligner Resolution Bits Definition */
+/*----------------------------------------------------------------*/
+
+#define ICS_DPARES 0x3 /* Dynamic Phase Aligner Resolution */
+#define ICS_MMREV 0xFC /* Metal Mask Revision Number */
+
+/*-------------------------------------------------------*/
+/* ICS1523 Output Enables Register Bits Definition */
+/*-------------------------------------------------------*/
+
+#define ICS_OEPCK 0x1 /* Output Enable for PECL PCLK Outputs */
+#define ICS_OETCK 0x2 /* Output Enable for STTL CLK Output */
+#define ICS_OEP2 0x4 /* Output Enable for PECL CLK/2 Outputs */
+#define ICS_OET2 0x8 /* Output Enable for STTL CLK/2 Output */
+#define ICS_OEF 0x10 /* Output Enable for STTL FUNC Output */
+#define ICS_CLK2INV 0x20 /* CLK/2 Invert */
+#define ICS_OSCL 0xC0 /* SSTL Clock Scaler */
+
+/*----------------------------------------------------*/
+/* ICS1523 Osc Divider Register Bits Definition */
+/*----------------------------------------------------*/
+
+#define ICS_OSCDIV 0x7F /* Oscillator Divider Modulus */
+#define ICS_INSEL 0x80 /* Input Select */
+
+/*---------------------------------------------------*/
+/* ICS1523 DPA & PLL Reset Register Definition */
+/*---------------------------------------------------*/
+
+#define ICS_DPAR 0x0A /* DPA Reset Command */
+#define ICS_PLLR 0x50 /* PLL Reset Command */
+
+/*------------------------------------------------*/
+/* ICS1523 Chip Version Register Definition */
+/*------------------------------------------------*/
+
+#define ICS_CHIPV 0xFF /* Chip Version */
+
+/*-------------------------------------------------*/
+/* ICS1523 Chip Revision Register Definition */
+/*-------------------------------------------------*/
+
+#define ICS_CHIPR 0xFF /* Chip Revision */
+
+/*------------------------------------------*/
+/* ICS1523 Status Register Definition */
+/*------------------------------------------*/
+
+#define ICS_DPALOCK 0x1 /* DPA Lock Status */
+#define ICS_PLLLOCK 0x2 /* PLL Lock Status */
+
+int at91_ics1523_init(void);
+
+#endif /* ics1523_h */
--- /dev/null
+++ b/include/asm-arm/arch-at91/spi.h
@@ -0,0 +1,54 @@
+/*
+ * Serial Peripheral Interface (SPI) driver for the Atmel AT91RM9200
+ *
+ * (c) SAN People (Pty) Ltd
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef AT91_LEGACY_SPI_H
+#define AT91_LEGACY_SPI_H
+
+#define SPI_MAJOR 153 /* registered device number */
+
+#define DEFAULT_SPI_CLK 6000000
+
+
+/* Maximum number of buffers in a single SPI transfer.
+ * DataFlash uses maximum of 2
+ * spidev interface supports up to 8.
+ */
+#define MAX_SPI_TRANSFERS 8
+#define NR_SPI_DEVICES 4 /* number of devices on SPI bus */
+
+/*
+ * Describes the buffers for a SPI transfer.
+ * A transmit & receive buffer must be specified for each transfer
+ */
+struct spi_transfer_list {
+ void* tx[MAX_SPI_TRANSFERS]; /* transmit */
+ int txlen[MAX_SPI_TRANSFERS];
+ void* rx[MAX_SPI_TRANSFERS]; /* receive */
+ int rxlen[MAX_SPI_TRANSFERS];
+ int nr_transfers; /* number of transfers */
+ int curr; /* current transfer */
+};
+
+struct spi_local {
+ unsigned int pcs; /* Peripheral Chip Select value */
+
+ struct spi_transfer_list *xfers; /* current transfer list */
+ dma_addr_t tx, rx; /* DMA address for current transfer */
+ dma_addr_t txnext, rxnext; /* DMA address for next transfer */
+};
+
+
+/* Exported functions */
+extern void spi_access_bus(short device);
+extern void spi_release_bus(short device);
+extern int spi_transfer(struct spi_transfer_list* list);
+
+#endif
--- a/include/asm-arm/arch-at91/timex.h
+++ b/include/asm-arm/arch-at91/timex.h
@@ -27,14 +27,29 @@
#define CLOCK_TICK_RATE (AT91_SLOW_CLOCK)
-#elif defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9261)
+#elif defined(CONFIG_ARCH_AT91SAM9260)
+
+#if defined(CONFIG_MACH_USB_A9260) || defined(CONFIG_MACH_QIL_A9260)
+#define AT91SAM9_MASTER_CLOCK 90000000
+#else
+#define AT91SAM9_MASTER_CLOCK 99300000
+#endif
+
+#define CLOCK_TICK_RATE (AT91SAM9_MASTER_CLOCK/16)
+
+#elif defined(CONFIG_ARCH_AT91SAM9261)
#define AT91SAM9_MASTER_CLOCK 99300000
#define CLOCK_TICK_RATE (AT91SAM9_MASTER_CLOCK/16)
#elif defined(CONFIG_ARCH_AT91SAM9263)
+#if defined(CONFIG_MACH_USB_A9263)
+#define AT91SAM9_MASTER_CLOCK 90000000
+#else
#define AT91SAM9_MASTER_CLOCK 99959500
+#endif
+
#define CLOCK_TICK_RATE (AT91SAM9_MASTER_CLOCK/16)
#elif defined(CONFIG_ARCH_AT91SAM9RL)
--- a/include/asm-arm/arch-ks8695/devices.h
+++ b/include/asm-arm/arch-ks8695/devices.h
@@ -18,6 +18,11 @@ extern void __init ks8695_add_device_wan
extern void __init ks8695_add_device_lan(void);
extern void __init ks8695_add_device_hpna(void);
+ /* LEDs */
+extern short ks8695_leds_cpu;
+extern short ks8695_leds_timer;
+extern void __init ks8695_init_leds(u8 cpu_led, u8 timer_led);
+
/* PCI */
#define KS8695_MODE_PCI 0
#define KS8695_MODE_MINIPCI 1
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -121,4 +121,24 @@ int clk_set_parent(struct clk *clk, stru
*/
struct clk *clk_get_parent(struct clk *clk);
+/**
+ * clk_must_disable - report whether a clock's users must disable it
+ * @clk: one node in the clock tree
+ *
+ * This routine returns true only if the upcoming system state requires
+ * disabling the specified clock.
+ *
+ * It's common for platform power states to constrain certain clocks (and
+ * their descendants) to be unavailable, while other states allow that
+ * clock to be active. A platform's power states often include an "all on"
+ * mode; system wide sleep states like "standby" or "suspend-to-RAM"; and
+ * operating states which sacrifice functionality for lower power usage.
+ *
+ * The constraint value is commonly tested in device driver suspend(), to
+ * leave clocks active if they are needed for features like wakeup events.
+ * On platforms that support reduced functionality operating states, the
+ * constraint may also need to be tested during resume() and probe() calls.
+ */
+int clk_must_disable(struct clk *clk);
+
#endif
--- a/include/linux/i2c-id.h
+++ b/include/linux/i2c-id.h
@@ -131,6 +131,7 @@
/* --- PCA 9564 based algorithms */
#define I2C_HW_A_ISA 0x1a0000 /* generic ISA Bus interface card */
+#define I2C_HW_A_PLAT 0x1a0001 /* generic platform_bus interface */
/* --- PowerPC on-chip adapters */
#define I2C_HW_OCP 0x120000 /* IBM on-chip I2C adapter */
--- /dev/null
+++ b/include/linux/usb/atmel_usba_udc.h
@@ -0,0 +1,23 @@
+/*
+* Platform data definitions for Atmel USBA gadget driver.
+*/
+#ifndef __LINUX_USB_USBA_H
+#define __LINUX_USB_USBA_H
+
+struct usba_ep_data {
+ char* name;
+ int index;
+ int fifo_size;
+ int nr_banks;
+ int can_dma;
+ int can_isoc;
+};
+
+struct usba_platform_data {
+ int vbus_pin;
+ int num_ep;
+ struct usba_ep_data ep[0];
+};
+
+#endif /* __LINUX_USB_USBA_H */
+
--- a/include/video/atmel_lcdc.h
+++ b/include/video/atmel_lcdc.h
@@ -39,6 +39,7 @@ struct atmel_lcdfb_info {
u8 bl_power;
#endif
bool lcdcon_is_backlight;
+ u8 saved_lcdcon;
u8 default_bpp;
unsigned int default_lcdcon2;
--- a/sound/soc/at91/eti_b1_wm8731.c
+++ b/sound/soc/at91/eti_b1_wm8731.c
@@ -33,8 +33,7 @@
#include <sound/soc.h>
#include <sound/soc-dapm.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/at91_pio.h>
+#include <asm/hardware.h>
#include <asm/arch/gpio.h>
#include "../codecs/wm8731.h"
@@ -47,13 +46,6 @@
#define DBG(x...)
#endif
-#define AT91_PIO_TF1 (1 << (AT91_PIN_PB6 - PIN_BASE) % 32)
-#define AT91_PIO_TK1 (1 << (AT91_PIN_PB7 - PIN_BASE) % 32)
-#define AT91_PIO_TD1 (1 << (AT91_PIN_PB8 - PIN_BASE) % 32)
-#define AT91_PIO_RD1 (1 << (AT91_PIN_PB9 - PIN_BASE) % 32)
-#define AT91_PIO_RK1 (1 << (AT91_PIN_PB10 - PIN_BASE) % 32)
-#define AT91_PIO_RF1 (1 << (AT91_PIN_PB11 - PIN_BASE) % 32)
-
static struct clk *pck1_clk;
static struct clk *pllb_clk;
@@ -276,7 +268,6 @@ static struct platform_device *eti_b1_sn
static int __init eti_b1_init(void)
{
int ret;
- u32 ssc_pio_lines;
struct at91_ssc_periph *ssc = eti_b1_dai.cpu_dai->private_data;
if (!request_mem_region(AT91RM9200_BASE_SSC1, SZ_16K, "soc-audio")) {
@@ -310,19 +301,12 @@ static int __init eti_b1_init(void)
goto fail_io_unmap;
}
- ssc_pio_lines = AT91_PIO_TF1 | AT91_PIO_TK1 | AT91_PIO_TD1
- | AT91_PIO_RD1 /* | AT91_PIO_RK1 */ | AT91_PIO_RF1;
-
- /* Reset all PIO registers and assign lines to peripheral A */
- at91_sys_write(AT91_PIOB + PIO_PDR, ssc_pio_lines);
- at91_sys_write(AT91_PIOB + PIO_ODR, ssc_pio_lines);
- at91_sys_write(AT91_PIOB + PIO_IFDR, ssc_pio_lines);
- at91_sys_write(AT91_PIOB + PIO_CODR, ssc_pio_lines);
- at91_sys_write(AT91_PIOB + PIO_IDR, ssc_pio_lines);
- at91_sys_write(AT91_PIOB + PIO_MDDR, ssc_pio_lines);
- at91_sys_write(AT91_PIOB + PIO_PUDR, ssc_pio_lines);
- at91_sys_write(AT91_PIOB + PIO_ASR, ssc_pio_lines);
- at91_sys_write(AT91_PIOB + PIO_OWDR, ssc_pio_lines);
+ at91_set_A_periph(AT91_PIN_PB6, 0); /* TF1 */
+ at91_set_A_periph(AT91_PIN_PB7, 0); /* TK1 */
+ at91_set_A_periph(AT91_PIN_PB8, 0); /* TD1 */
+ at91_set_A_periph(AT91_PIN_PB9, 0); /* RD1 */
+/* at91_set_A_periph(AT91_PIN_PB10, 0);*/ /* RK1 */
+ at91_set_A_periph(AT91_PIN_PB11, 0); /* RF1 */
/*
* Set PCK1 parent to PLLB and its rate to 12 Mhz.
--- a/sound/spi/at73c213.c
+++ b/sound/spi/at73c213.c
@@ -114,7 +114,11 @@ snd_at73c213_write_reg(struct snd_at73c2
static struct snd_pcm_hardware snd_at73c213_playback_hw = {
.info = SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER,
+#ifdef __BIG_ENDIAN
.formats = SNDRV_PCM_FMTBIT_S16_BE,
+#else
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+#endif
.rates = SNDRV_PCM_RATE_CONTINUOUS,
.rate_min = 8000, /* Replaced by chip->bitrate later. */
.rate_max = 50000, /* Replaced by chip->bitrate later. */
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