[ARM] 3957/1: AT91: Physically mapped flash on DK and EK boards

This patch converts the old CONFIG_MTD_PHYSMAP_ options to the new
physmap API by creating a physmap platform device for the NOR flash
found on the Atmel AT91RM9200-DK and AT91RM9200-EK boards.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 28 insertions, 0 deletions

diff --git a/arch/arm/mach-at91rm9200/board-ek.c b/arch/arm/mach-at91rm9200/board-ek.c
index 830eb7932178..9fcfa0666351 100644
--- a/arch/arm/mach-at91rm9200/board-ek.c
+++ b/arch/arm/mach-at91rm9200/board-ek.c
@@ -27,6 +27,7 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
+#include <linux/mtd/physmap.h>
 
 #include <asm/hardware.h>
 #include <asm/setup.h>
@@ -39,6 +40,7 @@
 
 #include <asm/arch/board.h>
 #include <asm/arch/gpio.h>
+#include <asm/arch/at91rm9200_mc.h>
 
 #include "generic.h"
 
@@ -107,6 +109,30 @@ static struct spi_board_info ek_spi_devices[] = {
 #endif
 };
 
+#define EK_FLASH_BASE   AT91_CHIPSELECT_0
+#define EK_FLASH_SIZE   0x200000
+
+static struct physmap_flash_data ek_flash_data = {
+        .width  = 2,
+};
+
+static struct resource ek_flash_resource = {
+        .start          = EK_FLASH_BASE,
+        .end            = EK_FLASH_BASE + EK_FLASH_SIZE - 1,
+        .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device ek_flash = {
+        .name           = "physmap-flash",
+        .id             = 0,
+        .dev            = {
+                                .platform_data  = &ek_flash_data,
+                        },
+        .resource       = &ek_flash_resource,
+        .num_resources  = 1,
+};
+
+
 static void __init ek_board_init(void)
 {
         /* Serial */
@@ -130,6 +156,8 @@ static void __init ek_board_init(void)
         at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
         at91_add_device_mmc(&ek_mmc_data);
 #endif
+        /* NOR Flash */
+        platform_device_register(&ek_flash);
         /* VGA */
 //      ek_add_device_video();
 }