diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-osk.c')
| -rw-r--r-- | arch/arm/mach-omap1/board-osk.c | 124 |
1 files changed, 115 insertions, 9 deletions
diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c index 6844e536c69..21103df5041 100644 --- a/arch/arm/mach-omap1/board-osk.c +++ b/arch/arm/mach-omap1/board-osk.c @@ -29,11 +29,16 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/device.h> +#include <linux/interrupt.h> + +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> #include <asm/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> +#include <asm/mach/flash.h> #include <asm/arch/gpio.h> #include <asm/arch/usb.h> @@ -41,12 +46,56 @@ #include <asm/arch/tc.h> #include <asm/arch/common.h> -static struct map_desc osk5912_io_desc[] __initdata = { -{ OMAP_OSK_NOR_FLASH_BASE, OMAP_OSK_NOR_FLASH_START, OMAP_OSK_NOR_FLASH_SIZE, - MT_DEVICE }, +static int __initdata osk_serial_ports[OMAP_MAX_NR_PORTS] = {1, 0, 0}; + +static struct mtd_partition osk_partitions[] = { + /* bootloader (U-Boot, etc) in first sector */ + { + .name = "bootloader", + .offset = 0, + .size = SZ_128K, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, + /* bootloader params in the next sector */ + { + .name = "params", + .offset = MTDPART_OFS_APPEND, + .size = SZ_128K, + .mask_flags = 0, + }, { + .name = "kernel", + .offset = MTDPART_OFS_APPEND, + .size = SZ_2M, + .mask_flags = 0 + }, { + .name = "filesystem", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + .mask_flags = 0 + } }; -static int __initdata osk_serial_ports[OMAP_MAX_NR_PORTS] = {1, 0, 0}; +static struct flash_platform_data osk_flash_data = { + .map_name = "cfi_probe", + .width = 2, + .parts = osk_partitions, + .nr_parts = ARRAY_SIZE(osk_partitions), +}; + +static struct resource osk_flash_resource = { + /* this is on CS3, wherever it's mapped */ + .flags = IORESOURCE_MEM, +}; + +static struct platform_device osk5912_flash_device = { + .name = "omapflash", + .id = 0, + .dev = { + .platform_data = &osk_flash_data, + }, + .num_resources = 1, + .resource = &osk_flash_resource, +}; static struct resource osk5912_smc91x_resources[] = { [0] = { @@ -86,9 +135,16 @@ static struct platform_device osk5912_cf_device = { .resource = osk5912_cf_resources, }; +static struct platform_device osk5912_mcbsp1_device = { + .name = "omap_mcbsp", + .id = 1, +}; + static struct platform_device *osk5912_devices[] __initdata = { + &osk5912_flash_device, &osk5912_smc91x_device, &osk5912_cf_device, + &osk5912_mcbsp1_device, }; static void __init osk_init_smc91x(void) @@ -97,7 +153,6 @@ static void __init osk_init_smc91x(void) printk("Error requesting gpio 0 for smc91x irq\n"); return; } - omap_set_gpio_edge_ctrl(0, OMAP_GPIO_RISING_EDGE); /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */ EMIFS_CCS(1) |= 0x2; @@ -110,11 +165,11 @@ static void __init osk_init_cf(void) printk("Error requesting gpio 62 for CF irq\n"); return; } - /* it's really active-low */ - omap_set_gpio_edge_ctrl(62, OMAP_GPIO_FALLING_EDGE); + /* the CF I/O IRQ is really active-low */ + set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING); } -void osk_init_irq(void) +static void __init osk_init_irq(void) { omap_init_irq(); omap_gpio_init(); @@ -142,18 +197,69 @@ static struct omap_board_config_kernel osk_config[] = { { OMAP_TAG_USB, &osk_usb_config }, }; +#ifdef CONFIG_OMAP_OSK_MISTRAL + +#ifdef CONFIG_PM +static irqreturn_t +osk_mistral_wake_interrupt(int irq, void *ignored, struct pt_regs *regs) +{ + return IRQ_HANDLED; +} +#endif + +static void __init osk_mistral_init(void) +{ + /* FIXME here's where to feed in framebuffer, touchpad, and + * keyboard setup ... not in the drivers for those devices! + * + * NOTE: we could actually tell if there's a Mistral board + * attached, e.g. by trying to read something from the ads7846. + * But this is too early for that... + */ + + /* the sideways button (SW1) is for use as a "wakeup" button */ + omap_cfg_reg(N15_1610_MPUIO2); + if (omap_request_gpio(OMAP_MPUIO(2)) == 0) { + int ret = 0; + omap_set_gpio_direction(OMAP_MPUIO(2), 1); + set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING); +#ifdef CONFIG_PM + /* share the IRQ in case someone wants to use the + * button for more than wakeup from system sleep. + */ + ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), + &osk_mistral_wake_interrupt, + SA_SHIRQ, "mistral_wakeup", + &osk_mistral_wake_interrupt); + if (ret != 0) { + omap_free_gpio(OMAP_MPUIO(2)); + printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n", + ret); + } else + enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2))); +#endif + } else + printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n"); +} +#else +static void __init osk_mistral_init(void) { } +#endif + static void __init osk_init(void) { + osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys(); + osk_flash_resource.end += SZ_32M - 1; platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices)); omap_board_config = osk_config; omap_board_config_size = ARRAY_SIZE(osk_config); USB_TRANSCEIVER_CTRL_REG |= (3 << 1); + + osk_mistral_init(); } static void __init osk_map_io(void) { omap_map_common_io(); - iotable_init(osk5912_io_desc, ARRAY_SIZE(osk5912_io_desc)); omap_serial_init(osk_serial_ports); } |