diff options
Diffstat (limited to 'arch/arm/mach-pxa/lubbock.c')
| -rw-r--r-- | arch/arm/mach-pxa/lubbock.c | 165 |
1 files changed, 128 insertions, 37 deletions
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c index 1499493cd07..d8a1be619f2 100644 --- a/arch/arm/mach-pxa/lubbock.c +++ b/arch/arm/mach-pxa/lubbock.c @@ -11,21 +11,25 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ +#include <linux/gpio.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> +#include <linux/io.h> #include <linux/platform_device.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/major.h> #include <linux/fb.h> #include <linux/interrupt.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/smc91x.h> +#include <linux/slab.h> +#include <linux/leds.h> #include <linux/spi/spi.h> #include <linux/spi/ads7846.h> -#include <mach/pxa2xx_spi.h> +#include <linux/spi/pxa2xx_spi.h> #include <asm/setup.h> #include <asm/memory.h> @@ -42,14 +46,14 @@ #include <asm/hardware/sa1111.h> #include <mach/pxa25x.h> -#include <mach/gpio.h> #include <mach/audio.h> #include <mach/lubbock.h> #include <mach/udc.h> -#include <mach/irda.h> -#include <mach/pxafb.h> -#include <mach/mmc.h> +#include <linux/platform_data/irda-pxaficp.h> +#include <linux/platform_data/video-pxafb.h> +#include <linux/platform_data/mmc-pxamci.h> #include <mach/pm.h> +#include <mach/smemc.h> #include "generic.h" #include "clock.h" @@ -121,15 +125,15 @@ EXPORT_SYMBOL(lubbock_set_misc_wr); static unsigned long lubbock_irq_enabled; -static void lubbock_mask_irq(unsigned int irq) +static void lubbock_mask_irq(struct irq_data *d) { - int lubbock_irq = (irq - LUBBOCK_IRQ(0)); + int lubbock_irq = (d->irq - LUBBOCK_IRQ(0)); LUB_IRQ_MASK_EN = (lubbock_irq_enabled &= ~(1 << lubbock_irq)); } -static void lubbock_unmask_irq(unsigned int irq) +static void lubbock_unmask_irq(struct irq_data *d) { - int lubbock_irq = (irq - LUBBOCK_IRQ(0)); + int lubbock_irq = (d->irq - LUBBOCK_IRQ(0)); /* the irq can be acknowledged only if deasserted, so it's done here */ LUB_IRQ_SET_CLR &= ~(1 << lubbock_irq); LUB_IRQ_MASK_EN = (lubbock_irq_enabled |= (1 << lubbock_irq)); @@ -137,16 +141,17 @@ static void lubbock_unmask_irq(unsigned int irq) static struct irq_chip lubbock_irq_chip = { .name = "FPGA", - .ack = lubbock_mask_irq, - .mask = lubbock_mask_irq, - .unmask = lubbock_unmask_irq, + .irq_ack = lubbock_mask_irq, + .irq_mask = lubbock_mask_irq, + .irq_unmask = lubbock_unmask_irq, }; static void lubbock_irq_handler(unsigned int irq, struct irq_desc *desc) { unsigned long pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled; do { - desc->chip->ack(irq); /* clear our parent irq */ + /* clear our parent irq */ + desc->irq_data.chip->irq_ack(&desc->irq_data); if (likely(pending)) { irq = LUBBOCK_IRQ(0) + __ffs(pending); generic_handle_irq(irq); @@ -163,42 +168,33 @@ static void __init lubbock_init_irq(void) /* setup extra lubbock irqs */ for (irq = LUBBOCK_IRQ(0); irq <= LUBBOCK_LAST_IRQ; irq++) { - set_irq_chip(irq, &lubbock_irq_chip); - set_irq_handler(irq, handle_level_irq); + irq_set_chip_and_handler(irq, &lubbock_irq_chip, + handle_level_irq); set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); } - set_irq_chained_handler(IRQ_GPIO(0), lubbock_irq_handler); - set_irq_type(IRQ_GPIO(0), IRQ_TYPE_EDGE_FALLING); + irq_set_chained_handler(PXA_GPIO_TO_IRQ(0), lubbock_irq_handler); + irq_set_irq_type(PXA_GPIO_TO_IRQ(0), IRQ_TYPE_EDGE_FALLING); } #ifdef CONFIG_PM -static int lubbock_irq_resume(struct sys_device *dev) +static void lubbock_irq_resume(void) { LUB_IRQ_MASK_EN = lubbock_irq_enabled; - return 0; } -static struct sysdev_class lubbock_irq_sysclass = { - .name = "cpld_irq", +static struct syscore_ops lubbock_irq_syscore_ops = { .resume = lubbock_irq_resume, }; -static struct sys_device lubbock_irq_device = { - .cls = &lubbock_irq_sysclass, -}; - static int __init lubbock_irq_device_init(void) { - int ret = -ENODEV; - if (machine_is_lubbock()) { - ret = sysdev_class_register(&lubbock_irq_sysclass); - if (ret == 0) - ret = sysdev_register(&lubbock_irq_device); + register_syscore_ops(&lubbock_irq_syscore_ops); + return 0; } - return ret; + return -ENODEV; } device_initcall(lubbock_irq_device_init); @@ -230,6 +226,7 @@ static struct resource sa1111_resources[] = { static struct sa1111_platform_data sa1111_info = { .irq_base = LUBBOCK_SA1111_IRQ_BASE, + .disable_devs = SA1111_DEVID_SAC, }; static struct platform_device sa1111_device = { @@ -462,7 +459,7 @@ static int lubbock_mci_init(struct device *dev, init_timer(&mmc_timer); mmc_timer.data = (unsigned long) data; return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int, - IRQF_SAMPLE_RANDOM, "lubbock-sd-detect", data); + 0, "lubbock-sd-detect", data); } static int lubbock_mci_get_ro(struct device *dev) @@ -519,13 +516,13 @@ static void __init lubbock_init(void) clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL); pxa_set_udc_info(&udc_info); - set_pxa_fb_info(&sharp_lm8v31); + pxa_set_fb_info(NULL, &sharp_lm8v31); pxa_set_mci_info(&lubbock_mci_platform_data); pxa_set_ficp_info(&lubbock_ficp_platform_data); pxa_set_ac97_info(NULL); lubbock_flash_data[0].width = lubbock_flash_data[1].width = - (BOOT_DEF & 1) ? 2 : 4; + (__raw_readl(BOOT_DEF) & 1) ? 2 : 4; /* Compensate for the nROMBT switch which swaps the flash banks */ printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n", flashboot?"Flash":"ROM", flashboot); @@ -549,17 +546,111 @@ static struct map_desc lubbock_io_desc[] __initdata = { static void __init lubbock_map_io(void) { - pxa_map_io(); + pxa25x_map_io(); iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc)); PCFR |= PCFR_OPDE; } +/* + * Driver for the 8 discrete LEDs available for general use: + * Note: bits [15-8] are used to enable/blank the 8 7 segment hex displays + * so be sure to not monkey with them here. + */ + +#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS) +struct lubbock_led { + struct led_classdev cdev; + u8 mask; +}; + +/* + * The triggers lines up below will only be used if the + * LED triggers are compiled in. + */ +static const struct { + const char *name; + const char *trigger; +} lubbock_leds[] = { + { "lubbock:D28", "default-on", }, + { "lubbock:D27", "cpu0", }, + { "lubbock:D26", "heartbeat" }, + { "lubbock:D25", }, + { "lubbock:D24", }, + { "lubbock:D23", }, + { "lubbock:D22", }, + { "lubbock:D21", }, +}; + +static void lubbock_led_set(struct led_classdev *cdev, + enum led_brightness b) +{ + struct lubbock_led *led = container_of(cdev, + struct lubbock_led, cdev); + u32 reg = LUB_DISC_BLNK_LED; + + if (b != LED_OFF) + reg |= led->mask; + else + reg &= ~led->mask; + + LUB_DISC_BLNK_LED = reg; +} + +static enum led_brightness lubbock_led_get(struct led_classdev *cdev) +{ + struct lubbock_led *led = container_of(cdev, + struct lubbock_led, cdev); + u32 reg = LUB_DISC_BLNK_LED; + + return (reg & led->mask) ? LED_FULL : LED_OFF; +} + +static int __init lubbock_leds_init(void) +{ + int i; + + if (!machine_is_lubbock()) + return -ENODEV; + + /* All ON */ + LUB_DISC_BLNK_LED |= 0xff; + for (i = 0; i < ARRAY_SIZE(lubbock_leds); i++) { + struct lubbock_led *led; + + led = kzalloc(sizeof(*led), GFP_KERNEL); + if (!led) + break; + + led->cdev.name = lubbock_leds[i].name; + led->cdev.brightness_set = lubbock_led_set; + led->cdev.brightness_get = lubbock_led_get; + led->cdev.default_trigger = lubbock_leds[i].trigger; + led->mask = BIT(i); + + if (led_classdev_register(NULL, &led->cdev) < 0) { + kfree(led); + break; + } + } + + return 0; +} + +/* + * Since we may have triggers on any subsystem, defer registration + * until after subsystem_init. + */ +fs_initcall(lubbock_leds_init); +#endif + MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)") /* Maintainer: MontaVista Software Inc. */ .map_io = lubbock_map_io, .nr_irqs = LUBBOCK_NR_IRQS, .init_irq = lubbock_init_irq, - .timer = &pxa_timer, + .handle_irq = pxa25x_handle_irq, + .init_time = pxa_timer_init, .init_machine = lubbock_init, + .restart = pxa_restart, MACHINE_END |