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authorwanzongshun <mcuos.com@gmail.com>2009-02-12 02:57:21 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-02-12 11:10:24 +0000
commita12370f12fdc6a35463842e41eaf04299167eb12 (patch)
tree005fd1266a9c79ea41f0b688ff15ae713e11e083 /arch/arm/mach-w90x900
parent9ee8c9f0124dd70779c400459d57bdbbed60fcfe (diff)
[ARM] 5393/1: Add W90P910 EVB NOR flash driver
Add W90P910 Evaluate Board NOR flash driver support, The EV Board default support W19B320ABT7H of Winbond inc. Signed-off-by: Wan ZongShun <mcuos.com@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-w90x900')
-rw-r--r--arch/arm/mach-w90x900/mach-w90p910evb.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/mach-w90x900/mach-w90p910evb.c b/arch/arm/mach-w90x900/mach-w90p910evb.c
index 542527019b6..726ff6798a5 100644
--- a/arch/arm/mach-w90x900/mach-w90p910evb.c
+++ b/arch/arm/mach-w90x900/mach-w90p910evb.c
@@ -22,6 +22,7 @@
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@@ -32,6 +33,52 @@
#include <mach/map.h>
#include "cpu.h"
+/*w90p910 evb norflash driver data */
+
+#define W90P910_FLASH_BASE 0xA0000000
+#define W90P910_FLASH_SIZE 0x400000
+
+static struct mtd_partition w90p910_flash_partitions[] = {
+ {
+ .name = "NOR Partition 1 for kernel (960K)",
+ .size = 0xF0000,
+ .offset = 0x10000,
+ },
+ {
+ .name = "NOR Partition 2 for image (1M)",
+ .size = 0x100000,
+ .offset = 0x100000,
+ },
+ {
+ .name = "NOR Partition 3 for user (2M)",
+ .size = 0x200000,
+ .offset = 0x00200000,
+ }
+};
+
+static struct physmap_flash_data w90p910_flash_data = {
+ .width = 2,
+ .parts = w90p910_flash_partitions,
+ .nr_parts = ARRAY_SIZE(w90p910_flash_partitions),
+};
+
+static struct resource w90p910_flash_resources[] = {
+ {
+ .start = W90P910_FLASH_BASE,
+ .end = W90P910_FLASH_BASE + W90P910_FLASH_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device w90p910_flash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &w90p910_flash_data,
+ },
+ .resource = w90p910_flash_resources,
+ .num_resources = ARRAY_SIZE(w90p910_flash_resources),
+};
static struct map_desc w90p910_iodesc[] __initdata = {
};
@@ -40,6 +87,7 @@ static struct map_desc w90p910_iodesc[] __initdata = {
static struct platform_device *w90p910evb_dev[] __initdata = {
&w90p910_serial_device,
+ &w90p910_flash_device,
};
static void __init w90p910evb_map_io(void)