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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>
This commit is contained in:
Alexander Shiyan 2012-11-17 17:57:21 +04:00 committed by Olof Johansson
parent 94760bf252
commit 96754a1f86
2 changed files with 35 additions and 14 deletions
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45
arch/arm/mach-clps711x/edb7211.c
View File

@ -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));

4
arch/arm/mach-clps711x/include/mach/hardware.h
View File

@ -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