mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-25 21:16:27 +02:00
94b5af79b4
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13137 3c298f89-4303-0410-b956-a3cf2f4a3e73
547 lines
14 KiB
Diff
547 lines
14 KiB
Diff
--- a/arch/arm/mach-at91/board-vlink.c
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+++ b/arch/arm/mach-at91/board-vlink.c
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@@ -99,7 +99,7 @@ static struct at91_udc_data __initdata v
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*/
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static struct at91_mmc_data __initdata vlink_mmc_data = {
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-// .det_pin = AT91_PIN_PB27,
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+// .det_pin = AT91_PIN_PC10,
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.slot_b = 0,
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.wire4 = 1,
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// .wp_pin = AT91_PIN_PA17,
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@@ -136,6 +136,7 @@ static struct spi_board_info vlink_spi_d
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static void __init vlink_board_init(void)
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{
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+ int v100;
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/* Serial */
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at91_add_device_serial();
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/* Ethernet */
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@@ -157,36 +158,66 @@ static void __init vlink_board_init(void
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// at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
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at91_add_device_mmc(0, &vlink_mmc_data);
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#endif
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+
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+// Set VLink version PIN as an input with pull-up (V1.5 = GND)
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+ at91_set_gpio_input(AT91_PIN_PC2, 1);
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+ v100 = at91_get_gpio_value(AT91_PIN_PC2);
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+
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/* LEDs */
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// at91_gpio_leds(vlink_leds, ARRAY_SIZE(vlink_leds));
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/* Other LED's */
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- at91_set_gpio_output(AT91_PIN_PC7, 1); // LED FRONT AP1
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- at91_set_gpio_output(AT91_PIN_PC8, 1); // LED FRONT BP1
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- at91_set_gpio_output(AT91_PIN_PB14, 1); // LED BACK AP1
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- at91_set_gpio_output(AT91_PIN_PB15, 1); // LED BACK BP1
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- at91_set_gpio_output(AT91_PIN_PB16, 1); // LED BACK AP2
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- at91_set_gpio_output(AT91_PIN_PB17, 1); // LED BACK BP2
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+ at91_set_gpio_output(AT91_PIN_PC7, 1); // LED FRONT AP1
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+ at91_set_gpio_output(AT91_PIN_PC8, 1); // LED FRONT BP1
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+ at91_set_gpio_output(AT91_PIN_PB14, 1); // LED BACK AP1
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+ at91_set_gpio_output(AT91_PIN_PB15, 1); // LED BACK BP1
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+ at91_set_gpio_output(AT91_PIN_PB16, 1); // LED BACK AP2
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+ at91_set_gpio_output(AT91_PIN_PB17, 1); // LED BACK BP2
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+
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+/* Test jig presence detection */
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+ at91_set_gpio_input(AT91_PIN_PB8, 1); // JIGPRESENT
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/* SIM Cards */
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- at91_set_gpio_output(AT91_PIN_PB9, 1); // ENBSC3
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- at91_set_gpio_output(AT91_PIN_PB10, 1); // ENBSC2
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- at91_set_gpio_output(AT91_PIN_PB11, 1); // ENBSC1
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+ if (at91_get_gpio_value(AT91_PIN_PB8)) {
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+ at91_set_gpio_output(AT91_PIN_PB11, 0);
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+ if (v100)
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+ at91_set_gpio_output(AT91_PIN_PB9, 1);
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+ else
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+ at91_set_gpio_output(AT91_PIN_PC13, 1);
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+ } else {
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+ at91_set_gpio_output(AT91_PIN_PB11, 1);
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+ if (v100)
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+ at91_set_gpio_output(AT91_PIN_PB9, 0);
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+ else
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+ at91_set_gpio_output(AT91_PIN_PC13, 0);
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+ }
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-/* GSM Module Control */
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- at91_set_gpio_output(AT91_PIN_PB12, 1); // GSMONOFF
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+ at91_set_gpio_output(AT91_PIN_PB10, 1); // ENBSC2
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-/* Test jig presence detection */
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- at91_set_gpio_input(AT91_PIN_PB8, 1); // JIGPRESENT
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+/* GSM Module Control */
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+ at91_set_gpio_output(AT91_PIN_PB12, 1); // GSMONOFF
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/* Power indicator */
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- at91_set_gpio_input(AT91_PIN_PB22, 1); // PWR_IND
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+ at91_set_gpio_input(AT91_PIN_PB22, 1); // PWR_IND
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/* USB Device control */
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- at91_set_gpio_input(AT91_PIN_PB27, 1); // UDB_CNX
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- at91_set_gpio_output(AT91_PIN_PB28, 1); // UDB_PUP
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- at91_set_multi_drive(AT91_PIN_PB28, 1); // Set to multi-drive
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-
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+ at91_set_gpio_input(AT91_PIN_PB27, 1); // UDB_CNX
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+ at91_set_gpio_output(AT91_PIN_PB28, 1); // UDB_PUP
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+ at91_set_multi_drive(AT91_PIN_PB28, 1); // Set to multi-drive
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+
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+/* USB Power controls */
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+
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+ if (v100)
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+ { // V100
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+ at91_set_gpio_input (AT91_PIN_PC12, 1); // SD Card present
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+ }
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+ else
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+ { // DO special things for V1.5
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+ at91_set_gpio_output(AT91_PIN_PB9 , 0); // USB suspend
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+ at91_set_gpio_input (AT91_PIN_PC10, 1); // SD Card present
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+ at91_set_gpio_output(AT91_PIN_PC11, 0); // USB Vin CTRL for modules onboard
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+ at91_set_gpio_output(AT91_PIN_PC12, 0); // SIM control
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+ }
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}
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MACHINE_START(VLINK, "FDL VersaLink")
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--- a/arch/arm/mach-at91/gpio.c
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+++ b/arch/arm/mach-at91/gpio.c
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@@ -29,6 +29,7 @@
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static struct at91_gpio_bank *gpio;
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static int gpio_banks;
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+static u32 pio_gpio_pin[4] = { 0, 0, 0, 0 };
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static inline void __iomem *pin_to_controller(unsigned pin)
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@@ -71,9 +72,13 @@ int __init_or_module at91_set_GPIO_perip
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{
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void __iomem *pio = pin_to_controller(pin);
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unsigned mask = pin_to_mask(pin);
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+ int bank = (pin - PIN_BASE) / 32;
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if (!pio)
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return -EINVAL;
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+
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+ pio_gpio_pin[bank] |= mask;
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+
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__raw_writel(mask, pio + PIO_IDR);
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__raw_writel(mask, pio + (use_pullup ? PIO_PUER : PIO_PUDR));
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__raw_writel(mask, pio + PIO_PER);
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@@ -130,10 +135,13 @@ int __init_or_module at91_set_gpio_input
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{
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void __iomem *pio = pin_to_controller(pin);
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unsigned mask = pin_to_mask(pin);
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+ int bank = (pin - PIN_BASE) / 32;
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if (!pio)
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return -EINVAL;
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+ pio_gpio_pin[bank] |= mask;
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+
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__raw_writel(mask, pio + PIO_IDR);
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__raw_writel(mask, pio + (use_pullup ? PIO_PUER : PIO_PUDR));
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__raw_writel(mask, pio + PIO_ODR);
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@@ -151,10 +159,13 @@ int __init_or_module at91_set_gpio_outpu
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{
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void __iomem *pio = pin_to_controller(pin);
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unsigned mask = pin_to_mask(pin);
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+ int bank = (pin - PIN_BASE) / 32;
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if (!pio)
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return -EINVAL;
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+ pio_gpio_pin[bank] |= mask;
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+
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__raw_writel(mask, pio + PIO_IDR);
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__raw_writel(mask, pio + PIO_PUDR);
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__raw_writel(mask, pio + (value ? PIO_SODR : PIO_CODR));
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@@ -262,6 +273,18 @@ int at91_get_gpio_value(unsigned pin)
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}
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EXPORT_SYMBOL(at91_get_gpio_value);
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+int at91_is_pin_gpio(unsigned pin)
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+{
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+ void __iomem *pio = pin_to_controller(pin);
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+ unsigned mask = pin_to_mask(pin);
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+ int bank = (pin - PIN_BASE) / 32;
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+
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+ if (!pio)
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+ return -EINVAL;
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+ return (pio_gpio_pin[bank] & mask) != 0;
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+}
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+EXPORT_SYMBOL(at91_is_pin_gpio);
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+
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/*--------------------------------------------------------------------------*/
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#ifdef CONFIG_PM
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--- a/drivers/char/Kconfig
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+++ b/drivers/char/Kconfig
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@@ -1072,5 +1072,12 @@ config AT91_SPIDEV
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The SPI driver gives user mode access to this serial
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bus on the AT91RM9200 processor.
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+config AT91_VLIO
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+ tristate "Versalink LED and GPIO interface"
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+ depends on ARCH_AT91RM9200 && MACH_VLINK
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+ default n
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+ help
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+ Provides a handler GPIO's in userspace
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+
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endmenu
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--- a/drivers/char/Makefile
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+++ b/drivers/char/Makefile
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@@ -100,6 +100,7 @@ obj-$(CONFIG_GPIO_TB0219) += tb0219.o
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obj-$(CONFIG_TELCLOCK) += tlclk.o
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obj-$(CONFIG_AT91_SPI) += at91_spi.o
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obj-$(CONFIG_AT91_SPIDEV) += at91_spidev.o
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+obj-$(CONFIG_AT91_VLIO) += vlink_giu.o
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obj-$(CONFIG_MWAVE) += mwave/
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obj-$(CONFIG_AGP) += agp/
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--- /dev/null
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+++ b/drivers/char/vlink_giu.c
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@@ -0,0 +1,333 @@
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+/*
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+ * Driver for FDL Versalink GPIO
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+ *
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+ * Copyright (C) 2005 Guthrie Consulting
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+ * Author: Hamish Guthrie <hamish@prodigi.ch>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation; either version 2 of the License, or
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+ * (at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software
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+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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+ */
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+
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+#include <linux/module.h>
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+#include <linux/moduleparam.h>
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+#include <linux/init.h>
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+#include <linux/platform_device.h>
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+
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+#include <linux/kernel.h>
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+#include <linux/slab.h>
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+#include <linux/fs.h>
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+#include <linux/errno.h>
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+#include <linux/init.h>
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+#include <linux/types.h>
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+#include <linux/proc_fs.h>
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+#include <linux/fcntl.h>
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+#include <linux/seq_file.h>
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+#include <linux/cdev.h>
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+#include <asm/arch/gpio.h>
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+#include <asm/uaccess.h>
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+
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+static int major; /* default is dynamic major device number */
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+module_param(major, int, 0);
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+MODULE_PARM_DESC(major, "Major device number");
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+
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+#define VIO_NR_DEVS 96
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+
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+struct vio_dev {
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+ struct cdev cdev;
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+};
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+
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+struct vio_dev *vio_devices;
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+static struct class *vio_class;
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+
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+#define MAX_VIO_NAMES 24
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+typedef struct
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+{
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+ char port;
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+ char pin;
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+ char name100[10];
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+ char name150[10];
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+} VIO_NAMES;
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+
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+VIO_NAMES VioName[MAX_VIO_NAMES] =
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+{ // Port, Pin, V100, V150
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+ {'A',19,"port1DTR" ,"port1DTR"},
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+ {'A',24,"port2DTR" ,"port2DTR"},
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+ {'B',8, "jigOn" ,"jigOn"} ,
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+ {'B',9, "enbSC3" ,"usbSUSPND"},
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+ {'B',10,"enbSC2" ,"enbSC2"},
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+ {'B',11,"enbSC1" ,"enbSC1"},
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+ {'B',12,"gsmONOFF" ,"gsmONOFF"},
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+ {'B',14,"ledBAP1" ,"ledBAP1"},
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+ {'B',15,"ledBBP1" ,"ledBBP1"},
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+ {'B',16,"ledBAP2" ,"ledBAP2"},
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+ {'B',17,"ledBBP2" ,"ledBBP2"},
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+ {'B',27,"udpCNX" ,"udpCNX"},
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+ {'B',28,"udpPUP" ,"udpPUP"},
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+ {'B',29,"port2DCD" ,"port2DCD"},
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+ {'C',2, "vlVer100" ,"vlVer150"},
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+ {'C',7, "ledFAP1" ,"ledFAP1"},
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+ {'C',8, "ledFBP1" ,"ledFBP1"},
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+ {'C',10,"vioC10" ,"sdCardON"},
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+ {'C',11,"vioC11" ,"vusbCTRL"},
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+ {'C',12,"sdCardON" ,"simCTRL"},
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+ {'C',13,"vioC13" ,"enbSC3"},
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+ {'C',14,"ledFBP2" ,"ledFBP2"},
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+ {'C',15,"ledFAP2" ,"ledFAP2"},
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+ {0,0,"",""}
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+};
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+
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+/*
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+{'B',18,"gsmRIO" ,"gsmRIO"},
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+{'B',20,"gsmTX" ,"gsmTX"},
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+{'B',21,"gsmRX" ,"gsmRX"},
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+{'B',22,"gsmPIND" ,"gsmPIND"},
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+{'B',23,"gsmDCD" ,"gsmDCD"},
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+{'B',24,"gsmCTS" ,"gsmCTS"},
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+{'B',25,"gsmDSR" ,"gsmDSR"},
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+{'B',26,"gsmRTS" ,"gsmRTS"},
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+*/
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+static void lookupPINName(char version100, char *devName, char port, char pin);
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+// EOF KWJ + AJE
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+
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+static ssize_t gpio_read(struct file *file, char __user *buf, size_t len,
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+ loff_t *ppos)
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+{
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+ unsigned int pin;
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+ int retval;
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+ char value = '0';
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+
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+ pin = iminor(file->f_dentry->d_inode);
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+
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+ retval = at91_get_gpio_value(PIN_BASE + pin);
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+ if (retval < 0)
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+ return -EFAULT;
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+
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+ value = retval + 0x30;
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+ if (put_user(value, buf))
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+ return -EFAULT;
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+
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+ return 1;
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+}
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+
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+static ssize_t gpio_write(struct file *file, const char __user *data,
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+ size_t len, loff_t *ppos)
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+{
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+ unsigned int pin;
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+ size_t i;
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+ char c;
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+ int retval = 0;
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+
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+ pin = iminor(file->f_dentry->d_inode);
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+
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+ for (i = 0; i < len; i++) {
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+ if (get_user(c, data + i))
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+ return -EFAULT;
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+
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+ switch (c) {
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+ case '0':
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+ case '1':
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+ retval = at91_set_gpio_value(PIN_BASE + pin, (int)c - 0x30);
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+ if (retval < 0)
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+ return -EFAULT;
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+ break;
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+ default:
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+ break;
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+ }
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+
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+ if (retval < 0)
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+ break;
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+ }
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+
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+ return i;
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+}
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+
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+static int gpio_open(struct inode *inode, struct file *file)
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+{
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+ return nonseekable_open(inode, file);
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+}
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+
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+static int gpio_release(struct inode *inode, struct file *file)
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+{
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+ return 0;
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+}
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+
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+static struct file_operations vio_fops = {
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+ .owner = THIS_MODULE,
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+ .read = gpio_read,
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+ .write = gpio_write,
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+ .open = gpio_open,
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+ .release = gpio_release,
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+};
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+
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+static void vio_setup_cdev(struct vio_dev *dev, int index)
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+{
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+ int err, devno = MKDEV(major, index);
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+
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+ cdev_init(&dev->cdev, &vio_fops);
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+ dev->cdev.owner = THIS_MODULE;
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+ dev->cdev.ops = &vio_fops;
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+ err = cdev_add (&dev->cdev, devno, 1);
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+ if (err)
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+ printk(KERN_NOTICE "vio: Error %d adding vio%d", err, index);
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+}
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+
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+static int vio_remove(struct platform_device *dev)
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+{
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+ int i;
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+ dev_t devno = MKDEV(major, 0);
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+
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+ if (vio_devices) {
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+ for(i=0; i<VIO_NR_DEVS; i++) {
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+ int iodev = at91_is_pin_gpio(PIN_BASE + i);
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+ if (iodev) {
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+ cdev_del(&vio_devices[i].cdev);
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+ class_device_destroy(vio_class, MKDEV(major, i));
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+ }
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+ }
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+ kfree(vio_devices);
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+ }
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+
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+ class_destroy(vio_class);
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+ unregister_chrdev_region(devno, VIO_NR_DEVS);
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+
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+ platform_set_drvdata(dev, NULL);
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+
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+ return 0;
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+}
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+
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+static int vio_probe(struct platform_device *dev)
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+{
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+ int retval, i, j;
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+ dev_t vdev = 0;
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+ char devName[30];
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+ int vlinkV100;
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+
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+ if (major) {
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+ vdev = MKDEV(major, 0);
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+ retval = register_chrdev_region(vdev, VIO_NR_DEVS, "vio");
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+ } else {
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+ retval = alloc_chrdev_region(&vdev, 0, VIO_NR_DEVS, "vio");
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+ major = MAJOR(vdev);
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+ }
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+ if (retval < 0) {
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+ printk(KERN_WARNING "vio: can't get major %d\n", major);
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+ return retval;
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+ }
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+
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+ if (major == 0) {
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+ major = retval;
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+ printk(KERN_INFO "vio: major number %d\n", major);
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+ }
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+
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+ vio_class = class_create(THIS_MODULE, "vio");
|
|
+
|
|
+ if (IS_ERR(vio_class)) {
|
|
+ printk(KERN_ERR "vio: Error creating vio class\n");
|
|
+ vio_remove(dev);
|
|
+ return PTR_ERR(vio_class);
|
|
+ }
|
|
+
|
|
+ vlinkV100 = at91_get_gpio_value(AT91_PIN_PC2); // Denotes V1.5 if GND
|
|
+
|
|
+ vio_devices = kmalloc(VIO_NR_DEVS * sizeof(struct vio_dev), GFP_KERNEL);
|
|
+ if (!vio_devices) {
|
|
+ retval = -ENOMEM;
|
|
+ goto fail;
|
|
+ }
|
|
+ memset(vio_devices, 0, VIO_NR_DEVS * sizeof(struct vio_dev));
|
|
+
|
|
+ for (i=0; i<VIO_NR_DEVS/32; i++)
|
|
+ for(j=0; j<32; j++) {
|
|
+ int iodev = at91_is_pin_gpio(PIN_BASE + i*32 + j);
|
|
+ if (iodev) {
|
|
+ vio_setup_cdev(&vio_devices[i*32 + j], i*32 + j);
|
|
+ // Lookup name of vio to create
|
|
+ lookupPINName(vlinkV100, devName, i, j);
|
|
+ class_device_create(vio_class, NULL, MKDEV(major, i*32 + j), NULL, devName);
|
|
+ }
|
|
+ }
|
|
+
|
|
+ platform_set_drvdata(dev, vio_devices);
|
|
+
|
|
+ return 0;
|
|
+
|
|
+fail:
|
|
+ vio_remove(dev);
|
|
+ return retval;
|
|
+}
|
|
+
|
|
+static void lookupPINName(char version100, char *devName, char port, char pin)
|
|
+{
|
|
+ int i = -1;
|
|
+ char found = 0;
|
|
+ while (!found)
|
|
+ {
|
|
+ i++;
|
|
+ if (i >= MAX_VIO_NAMES)
|
|
+ break;
|
|
+ if (VioName[i].port == port+'A' && VioName[i].pin == pin)
|
|
+ {
|
|
+ printk(KERN_ERR "vio++: %c%d=%s\n",VioName[i].port,VioName[i].pin,VioName[i].name150);
|
|
+ if (version100)
|
|
+ strcpy(devName, VioName[i].name100);
|
|
+ else
|
|
+ strcpy(devName, VioName[i].name150);
|
|
+ found = 1;
|
|
+ }
|
|
+ }
|
|
+ if (!found)
|
|
+ sprintf(devName, "vio%c%d", port + 'A', pin);
|
|
+}
|
|
+
|
|
+static struct platform_device *vio_platform_device;
|
|
+
|
|
+static struct platform_driver vio_driver = {
|
|
+ .probe = vio_probe,
|
|
+ .remove = vio_remove,
|
|
+ .driver = {
|
|
+ .name = "vio",
|
|
+ .owner = THIS_MODULE,
|
|
+ },
|
|
+};
|
|
+
|
|
+static int __init vio_init(void)
|
|
+{
|
|
+ int retval;
|
|
+
|
|
+ vio_platform_device = platform_device_register_simple("vio", -1, NULL, 0);
|
|
+ if (IS_ERR(vio_platform_device)) {
|
|
+ printk(KERN_WARNING "vio: device registration failed\n");
|
|
+ return PTR_ERR(vio_platform_device);
|
|
+ }
|
|
+
|
|
+ retval = platform_driver_register(&vio_driver);
|
|
+ if (retval < 0) {
|
|
+ printk(KERN_WARNING "vio: driver registration failed\n");
|
|
+ platform_device_unregister(vio_platform_device);
|
|
+ }
|
|
+
|
|
+ return retval;
|
|
+}
|
|
+
|
|
+static void __exit vio_exit(void)
|
|
+{
|
|
+ platform_driver_unregister(&vio_driver);
|
|
+ platform_device_unregister(vio_platform_device);
|
|
+}
|
|
+
|
|
+module_init(vio_init);
|
|
+module_exit(vio_exit);
|
|
+
|
|
+MODULE_AUTHOR("Hamish Guthrie <hamish@prodigi.ch>");
|
|
+MODULE_DESCRIPTION("FDL Versalink GPIO Driver");
|
|
--- a/include/asm-arm/arch-at91/gpio.h
|
|
+++ b/include/asm-arm/arch-at91/gpio.h
|
|
@@ -199,6 +199,7 @@ extern int __init_or_module at91_set_mul
|
|
/* callable at any time */
|
|
extern int at91_set_gpio_value(unsigned pin, int value);
|
|
extern int at91_get_gpio_value(unsigned pin);
|
|
+extern int at91_is_pin_gpio(unsigned pin);
|
|
|
|
/* callable only from core power-management code */
|
|
extern void at91_gpio_suspend(void);
|