[ARM] 4148/1: AT91: Physically mapped flash on CSB337 and CSB637 boards.
Define the physically mapped flash on the Cogent CSB337 and CSB637
boards.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-at91/board-csb637.c b/arch/arm/mach-at91/board-csb637.c
index 7746094..77f04b9 100644
--- a/arch/arm/mach-at91/board-csb637.c
+++ b/arch/arm/mach-at91/board-csb637.c
@@ -23,6 +23,7 @@
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
#include <asm/hardware.h>
#include <asm/setup.h>
@@ -81,6 +82,42 @@
.pullup_pin = AT91_PIN_PB1,
};
+#define CSB_FLASH_BASE AT91_CHIPSELECT_0
+#define CSB_FLASH_SIZE 0x1000000
+
+static struct mtd_partition csb_flash_partitions[] = {
+ {
+ .name = "uMON flash",
+ .offset = 0,
+ .size = MTDPART_SIZ_FULL,
+ .mask_flags = MTD_WRITEABLE, /* read only */
+ }
+};
+
+static struct physmap_flash_data csb_flash_data = {
+ .width = 2,
+ .parts = csb_flash_partitions,
+ .nr_parts = ARRAY_SIZE(csb_flash_partitions),
+};
+
+static struct resource csb_flash_resources[] = {
+ {
+ .start = CSB_FLASH_BASE,
+ .end = CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device csb_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &csb_flash_data,
+ },
+ .resource = csb_flash_resources,
+ .num_resources = ARRAY_SIZE(csb_flash_resources),
+};
+
static void __init csb637_board_init(void)
{
/* Serial */
@@ -95,6 +132,8 @@
at91_add_device_i2c();
/* SPI */
at91_add_device_spi(NULL, 0);
+ /* NOR flash */
+ platform_device_register(&csb_flash);
}
MACHINE_START(CSB637, "Cogent CSB637")