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openwrt-xburst/target/linux/ixp4xx/patches-2.6.33/520-tw2662_support.patch
acoul 76f501d45f ixp4xx: add Titan Wireless TW-266-2 support 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21892 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-06-24 14:34:49 +00:00

330 lines
9.3 KiB
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--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -180,6 +180,15 @@ config ARCH_PRPMC1100
PrPCM1100 Processor Mezanine Module. For more information on
this platform, see <file:Documentation/arm/IXP4xx>.
+config MACH_TW2662
+ bool "Titan Wireless TW-266-2"
+ select PCI
+ help
+ Say 'Y' here if you want your kernel to support the Titan
+ Wireless TW266-2. For more information on this platform,
+ see http://openwrt.org
+
+
config MACH_TW5334
bool "Titan Wireless TW-533-4"
select PCI
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -23,6 +23,7 @@ obj-pci-$(CONFIG_MACH_SIDEWINDER) += sid
obj-pci-$(CONFIG_MACH_COMPEX) += ixdp425-pci.o
obj-pci-$(CONFIG_MACH_WRT300NV2) += wrt300nv2-pci.o
obj-pci-$(CONFIG_MACH_AP1000) += ixdp425-pci.o
+obj-pci-$(CONFIG_MACH_TW2662) += tw2662-pci.o
obj-pci-$(CONFIG_MACH_TW5334) += tw5334-pci.o
obj-pci-$(CONFIG_MACH_MI424WR) += mi424wr-pci.o
obj-pci-$(CONFIG_MACH_USR8200) += usr8200-pci.o
@@ -48,6 +49,7 @@ obj-$(CONFIG_MACH_SIDEWINDER) += sidewin
obj-$(CONFIG_MACH_COMPEX) += compex-setup.o
obj-$(CONFIG_MACH_WRT300NV2) += wrt300nv2-setup.o
obj-$(CONFIG_MACH_AP1000) += ap1000-setup.o
+obj-$(CONFIG_MACH_TW2662) += tw2662-setup.o
obj-$(CONFIG_MACH_TW5334) += tw5334-setup.o
obj-$(CONFIG_MACH_MI424WR) += mi424wr-setup.o
obj-$(CONFIG_MACH_USR8200) += usr8200-setup.o
--- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
+++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
@@ -43,7 +43,7 @@ static __inline__ void __arch_decomp_set
if (machine_is_adi_coyote() || machine_is_gtwx5715() ||
machine_is_gateway7001() || machine_is_wg302v2() ||
machine_is_pronghorn() || machine_is_pronghorn_metro() || machine_is_wrt300nv2() ||
- machine_is_tw5334() || machine_is_usr8200())
+ machine_is_tw5334() || machine_is_usr8200() || machine_is_tw2662())
uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
else
uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/tw2662-pci.c
@@ -0,0 +1,68 @@
+/*
+ * arch/arm/mach-ixp4xx/tw2662-pci.c
+ *
+ * PCI setup routines for Tiran Wireless TW-266-2 platform
+ *
+ * Copyright (C) 2002 Jungo Software Technologies.
+ * Copyright (C) 2003 MontaVista Softwrae, Inc.
+ * Copyright (C) 2010 Alexandros C. Couloumbis <alex@ozo.com>
+ * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * Maintainer: Deepak Saxena <dsaxena@mvista.com>
+ * Maintainer: Alexandros C. Couloumbis <alex@ozo.com>
+ *
+ * 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/pci.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <asm/irq.h>
+#include <asm/mach/pci.h>
+
+#define SLOT0_DEVID 1
+#define SLOT1_DEVID 3
+
+/* PCI controller GPIO to IRQ pin mappings */
+#define SLOT0_INTA 11
+#define SLOT1_INTA 9
+
+void __init tw2662_pci_preinit(void)
+{
+ set_irq_type(IXP4XX_GPIO_IRQ(SLOT0_INTA), IRQ_TYPE_LEVEL_LOW);
+ set_irq_type(IXP4XX_GPIO_IRQ(SLOT1_INTA), IRQ_TYPE_LEVEL_LOW);
+ ixp4xx_pci_preinit();
+}
+
+static int __init tw2662_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ if (slot == SLOT0_DEVID)
+ return IXP4XX_GPIO_IRQ(SLOT0_INTA);
+ else if (slot == SLOT1_DEVID)
+ return IXP4XX_GPIO_IRQ(SLOT1_INTA);
+ else return -1;
+}
+
+struct hw_pci tw2662_pci __initdata = {
+ .nr_controllers = 1,
+ .preinit = tw2662_pci_preinit,
+ .swizzle = pci_std_swizzle,
+ .setup = ixp4xx_setup,
+ .scan = ixp4xx_scan_bus,
+ .map_irq = tw2662_map_irq,
+};
+
+int __init tw2662_pci_init(void)
+{
+ if (machine_is_tw2662())
+ pci_common_init(&tw2662_pci);
+ return 0;
+}
+
+subsys_initcall(tw2662_pci_init);
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/tw2662-setup.c
@@ -0,0 +1,208 @@
+/*
+ * arch/arm/mach-ixp4xx/tw2662-setup.c
+ *
+ * Titan Wireless TW-266-2
+ *
+ * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2010 Alexandros C. Couloumbis <alex@ozo.com>
+ *
+ * based on ap1000-setup.c:
+ * Author: Imre Kaloz <Kaloz@openwrt.org>
+ */
+
+#include <linux/if_ether.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/serial.h>
+#include <linux/tty.h>
+#include <linux/serial_8250.h>
+#include <linux/slab.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/platform_device.h>
+
+#include <asm/io.h>
+#include <asm/types.h>
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+/* gpio mask used by platform device */
+#define TW2662_GPIO_MASK (1 << 1) | (1 << 3) | (1 << 5) | (1 << 7)
+
+static struct flash_platform_data tw2662_flash_data = {
+ .map_name = "cfi_probe",
+ .width = 2,
+};
+
+static struct resource tw2662_flash_resource = {
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device tw2662_flash = {
+ .name = "IXP4XX-Flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &tw2662_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &tw2662_flash_resource,
+};
+
+static struct resource tw2662_gpio_resources[] = {
+ {
+ .name = "gpio",
+ /* FIXME: gpio mask should be model specific */
+ .start = TW2662_GPIO_MASK,
+ .end = TW2662_GPIO_MASK,
+ .flags = 0,
+ },
+};
+
+static struct platform_device tw2662_gpio = {
+ .name = "GPIODEV",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(tw2662_gpio_resources),
+ .resource = tw2662_gpio_resources,
+};
+
+static struct resource tw2662_uart_resources[] = {
+ {
+ .start = IXP4XX_UART1_BASE_PHYS,
+ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM
+ },
+ {
+ .start = IXP4XX_UART2_BASE_PHYS,
+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM
+ }
+};
+
+static struct plat_serial8250_port tw2662_uart_data[] = {
+ {
+ .mapbase = IXP4XX_UART1_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART1,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ },
+ {
+ .mapbase = IXP4XX_UART2_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART2,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ },
+ { },
+};
+
+static struct platform_device tw2662_uart = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev.platform_data = tw2662_uart_data,
+ .num_resources = 2,
+ .resource = tw2662_uart_resources
+};
+
+/* Built-in 10/100 Ethernet MAC interfaces */
+static struct eth_plat_info tw2662_plat_eth[] = {
+ {
+ .phy = 3,
+ .rxq = 3,
+ .txreadyq = 20,
+ }, {
+ .phy = 1,
+ .rxq = 4,
+ .txreadyq = 21,
+ }
+};
+
+static struct platform_device tw2662_eth[] = {
+ {
+ .name = "ixp4xx_eth",
+ .id = IXP4XX_ETH_NPEB,
+ .dev.platform_data = tw2662_plat_eth,
+ }, {
+ .name = "ixp4xx_eth",
+ .id = IXP4XX_ETH_NPEC,
+ .dev.platform_data = tw2662_plat_eth + 1,
+ }
+};
+
+
+static struct platform_device *tw2662_devices[] __initdata = {
+ &tw2662_flash,
+ &tw2662_uart,
+ &tw2662_gpio,
+ &tw2662_eth[0],
+ &tw2662_eth[1],
+};
+
+static char tw2662_mem_fixup[] __initdata = "mem=64M ";
+
+static void __init tw2662_fixup(struct machine_desc *desc,
+ struct tag *tags, char **cmdline, struct meminfo *mi)
+
+{
+ struct tag *t = tags;
+ char *p = *cmdline;
+
+ /* Find the end of the tags table, taking note of any cmdline tag. */
+ for (; t->hdr.size; t = tag_next(t)) {
+ if (t->hdr.tag == ATAG_CMDLINE) {
+ p = t->u.cmdline.cmdline;
+ }
+ }
+
+ /* Overwrite the end of the table with a new cmdline tag. */
+ t->hdr.tag = ATAG_CMDLINE;
+ t->hdr.size = (sizeof (struct tag_header) +
+ strlen(tw2662_mem_fixup) + strlen(p) + 1 + 4) >> 2;
+ strlcpy(t->u.cmdline.cmdline, tw2662_mem_fixup, COMMAND_LINE_SIZE);
+ strlcpy(t->u.cmdline.cmdline + strlen(tw2662_mem_fixup), p,
+ COMMAND_LINE_SIZE - strlen(tw2662_mem_fixup));
+
+ /* Terminate the table. */
+ t = tag_next(t);
+ t->hdr.tag = ATAG_NONE;
+ t->hdr.size = 0;
+}
+
+static void __init tw2662_init(void)
+{
+ ixp4xx_sys_init();
+
+ tw2662_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
+ tw2662_flash_resource.end =
+ IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
+
+ platform_add_devices(tw2662_devices, ARRAY_SIZE(tw2662_devices));
+ /* hack MACs as most of these boards have a broken eeprom */
+ random_ether_addr(tw2662_plat_eth[0].hwaddr);
+ random_ether_addr(tw2662_plat_eth[1].hwaddr);
+
+}
+
+#ifdef CONFIG_MACH_TW2662
+MACHINE_START(TW2662, "Titan Wireless TW-266-2")
+ /* Maintainer: Alexandros C. Couloumbis <alex@ozo.com> */
+ .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
+ .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
+ .fixup = tw2662_fixup,
+ .map_io = ixp4xx_map_io,
+ .init_irq = ixp4xx_init_irq,
+ .timer = &ixp4xx_timer,
+ .boot_params = 0x0100,
+ .init_machine = tw2662_init,
+MACHINE_END
+#endif
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