diff options
Diffstat (limited to 'arch/arm/mach-pxa/mainstone.c')
| -rw-r--r-- | arch/arm/mach-pxa/mainstone.c | 90 |
1 files changed, 88 insertions, 2 deletions
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c index 887a8cb7b721..07892f4012d8 100644 --- a/arch/arm/mach-pxa/mainstone.c +++ b/arch/arm/mach-pxa/mainstone.c @@ -20,6 +20,9 @@ #include <linux/sched.h> #include <linux/bitops.h> #include <linux/fb.h> +#include <linux/ioport.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> #include <asm/types.h> #include <asm/setup.h> @@ -27,10 +30,12 @@ #include <asm/mach-types.h> #include <asm/hardware.h> #include <asm/irq.h> +#include <asm/sizes.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> +#include <asm/mach/flash.h> #include <asm/arch/pxa-regs.h> #include <asm/arch/mainstone.h> @@ -190,6 +195,69 @@ static struct platform_device mst_audio_device = { .dev = { .platform_data = &mst_audio_ops }, }; +static struct resource flash_resources[] = { + [0] = { + .start = PXA_CS0_PHYS, + .end = PXA_CS0_PHYS + SZ_64M - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = PXA_CS1_PHYS, + .end = PXA_CS1_PHYS + SZ_64M - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct mtd_partition mainstoneflash0_partitions[] = { + { + .name = "Bootloader", + .size = 0x00040000, + .offset = 0, + .mask_flags = MTD_WRITEABLE /* force read-only */ + },{ + .name = "Kernel", + .size = 0x00400000, + .offset = 0x00040000, + },{ + .name = "Filesystem", + .size = MTDPART_SIZ_FULL, + .offset = 0x00440000 + } +}; + +static struct flash_platform_data mst_flash_data[2] = { + { + .map_name = "cfi_probe", + .parts = mainstoneflash0_partitions, + .nr_parts = ARRAY_SIZE(mainstoneflash0_partitions), + }, { + .map_name = "cfi_probe", + .parts = NULL, + .nr_parts = 0, + } +}; + +static struct platform_device mst_flash_device[2] = { + { + .name = "pxa2xx-flash", + .id = 0, + .dev = { + .platform_data = &mst_flash_data[0], + }, + .resource = &flash_resources[0], + .num_resources = 1, + }, + { + .name = "pxa2xx-flash", + .id = 1, + .dev = { + .platform_data = &mst_flash_data[1], + }, + .resource = &flash_resources[1], + .num_resources = 1, + }, +}; + static void mainstone_backlight_power(int on) { if (on) { @@ -318,16 +386,34 @@ static struct pxaficp_platform_data mainstone_ficp_platform_data = { .transceiver_mode = mainstone_irda_transceiver_mode, }; +static struct platform_device *platform_devices[] __initdata = { + &smc91x_device, + &mst_audio_device, + &mst_flash_device[0], + &mst_flash_device[1], +}; + static void __init mainstone_init(void) { + int SW7 = 0; /* FIXME: get from SCR (Mst doc section 3.2.1.1) */ + + mst_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4; + mst_flash_data[1].width = 4; + + /* Compensate for SW7 which swaps the flash banks */ + mst_flash_data[SW7].name = "processor-flash"; + mst_flash_data[SW7 ^ 1].name = "mainboard-flash"; + + printk(KERN_NOTICE "Mainstone configured to boot from %s\n", + mst_flash_data[0].name); + /* * On Mainstone, we route AC97_SYSCLK via GPIO45 to * the audio daughter card */ pxa_gpio_mode(GPIO45_SYSCLK_AC97_MD); - platform_device_register(&smc91x_device); - platform_device_register(&mst_audio_device); + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); /* reading Mainstone's "Virtual Configuration Register" might be handy to select LCD type here */ |