diff options
| author | Alexander Shiyan <shc_work@mail.ru> | 2012-11-17 17:57:21 +0400 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-11-21 21:57:45 +0400 |
| commit | 96754a1f8684792dc6cc5d4e886c511b255ef9be (patch) | |
| tree | 595ca2e1b75f186b80d7b2db7f5b4f38c9bba17b /arch/arm/mach-clps711x | |
| parent | 94760bf2523b4b5d3938e85ea0964ca7cd59a42b (diff) | |
| download | linux-96754a1f8684792dc6cc5d4e886c511b255ef9be.tar.xz | |
ARM: clps711x: edb7211: Add support for NOR-Flash
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/mach-clps711x')
| -rw-r--r-- | arch/arm/mach-clps711x/edb7211.c | 45 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/include/mach/hardware.h | 4 |
2 files changed, 35 insertions, 14 deletions
diff --git a/arch/arm/mach-clps711x/edb7211.c b/arch/arm/mach-clps711x/edb7211.c index d5832b3557a1..71aa5cf2c0d3 100644 --- a/arch/arm/mach-clps711x/edb7211.c +++ b/arch/arm/mach-clps711x/edb7211.c @@ -16,6 +16,9 @@ #include <linux/backlight.h> #include <linux/platform_device.h> +#include <linux/mtd/physmap.h> +#include <linux/mtd/partitions.h> + #include <asm/setup.h> #include <asm/mach/map.h> #include <asm/mach/arch.h> @@ -33,6 +36,8 @@ #define EDB7211_LCDEN CLPS711X_GPIO(3, 2) #define EDB7211_LCDBL CLPS711X_GPIO(3, 3) +#define EDB7211_FLASH0_BASE (CS0_PHYS_BASE) +#define EDB7211_FLASH1_BASE (CS1_PHYS_BASE) #define EDB7211_CS8900_BASE (CS2_PHYS_BASE + 0x300) #define EDB7211_CS8900_IRQ (IRQ_EINT3) @@ -41,6 +46,35 @@ static struct resource edb7211_cs8900_resource[] __initdata = { DEFINE_RES_IRQ(EDB7211_CS8900_IRQ), }; +static struct mtd_partition edb7211_flash_partitions[] __initdata = { + { + .name = "Flash", + .offset = 0, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct physmap_flash_data edb7211_flash_pdata __initdata = { + .width = 4, + .parts = edb7211_flash_partitions, + .nr_parts = ARRAY_SIZE(edb7211_flash_partitions), +}; + +static struct resource edb7211_flash_resources[] __initdata = { + DEFINE_RES_MEM(EDB7211_FLASH0_BASE, SZ_8M), + DEFINE_RES_MEM(EDB7211_FLASH1_BASE, SZ_8M), +}; + +static struct platform_device edb7211_flash_pdev __initdata = { + .name = "physmap-flash", + .id = 0, + .resource = edb7211_flash_resources, + .num_resources = ARRAY_SIZE(edb7211_flash_resources), + .dev = { + .platform_data = &edb7211_flash_pdata, + }, +}; + static void edb7211_lcd_power_set(struct plat_lcd_data *pd, unsigned int power) { if (power) { @@ -82,16 +116,6 @@ static struct map_desc edb7211_io_desc[] __initdata = { .pfn = __phys_to_pfn(EP7211_PHYS_EXTKBD), .length = SZ_1M, .type = MT_DEVICE, - }, { /* Flash bank 0 */ - .virtual = IO_ADDRESS(EP7211_PHYS_FLASH1), - .pfn = __phys_to_pfn(EP7211_PHYS_FLASH1), - .length = SZ_8M, - .type = MT_DEVICE, - }, { /* Flash bank 1 */ - .virtual = IO_ADDRESS(EP7211_PHYS_FLASH2), - .pfn = __phys_to_pfn(EP7211_PHYS_FLASH2), - .length = SZ_8M, - .type = MT_DEVICE, }, }; @@ -129,6 +153,7 @@ static void __init edb7211_init(void) { gpio_request_array(edb7211_gpios, ARRAY_SIZE(edb7211_gpios)); + platform_device_register(&edb7211_flash_pdev); platform_device_register_data(&platform_bus, "platform-lcd", 0, &edb7211_lcd_power_pdata, sizeof(edb7211_lcd_power_pdata)); diff --git a/arch/arm/mach-clps711x/include/mach/hardware.h b/arch/arm/mach-clps711x/include/mach/hardware.h index 1ebf7b9e69fc..2f23dd5d73e4 100644 --- a/arch/arm/mach-clps711x/include/mach/hardware.h +++ b/arch/arm/mach-clps711x/include/mach/hardware.h @@ -75,10 +75,6 @@ /* The extra 8 lines of the keyboard matrix are wired to chip select 3 */ #define EP7211_PHYS_EXTKBD CS3_PHYS_BASE -/* The two flash banks are wired to chip selects 0 and 1 */ -#define EP7211_PHYS_FLASH1 CS0_PHYS_BASE -#define EP7211_PHYS_FLASH2 CS1_PHYS_BASE - #endif /* CONFIG_ARCH_EDB7211 */ #endif |