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>

diff --git a/arch/arm/mach-clps711x/edb7211.c b/arch/arm/mach-clps711x/edb7211.c
index d5832b3..71aa5cf 100644 (file)
--- 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 1ebf7b9..2f23dd5 100644 (file)
--- 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