[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>

4 files changed, 86 insertions, 4 deletions

diff --git a/arch/arm/configs/csb337_defconfig b/arch/arm/configs/csb337_defconfig
index 2cadd51506bb..8e55f55333be 100644
--- a/arch/arm/configs/csb337_defconfig
+++ b/arch/arm/configs/csb337_defconfig
@@ -355,10 +355,12 @@ CONFIG_MTD_CFI_UTIL=y
 # Mapping drivers for chip access
 #
 # CONFIG_MTD_COMPLEX_MAPPINGS is not set
-# CONFIG_MTD_PHYSMAP is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0
+CONFIG_MTD_PHYSMAP_LEN=0
+CONFIG_MTD_PHYSMAP_BANKWIDTH=0
 # CONFIG_MTD_ARM_INTEGRATOR is not set
 # CONFIG_MTD_PLATRAM is not set
-CONFIG_MTD_CSB337=y
 
 #
 # Self-contained MTD device drivers
diff --git a/arch/arm/configs/csb637_defconfig b/arch/arm/configs/csb637_defconfig
index 94908c1df4cf..669f035896f9 100644
--- a/arch/arm/configs/csb637_defconfig
+++ b/arch/arm/configs/csb637_defconfig
@@ -355,10 +355,12 @@ CONFIG_MTD_CFI_UTIL=y
 # Mapping drivers for chip access
 #
 # CONFIG_MTD_COMPLEX_MAPPINGS is not set
-# CONFIG_MTD_PHYSMAP is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_MTD_PHYSMAP_START=0
+CONFIG_MTD_PHYSMAP_LEN=0
+CONFIG_MTD_PHYSMAP_BANKWIDTH=0
 # CONFIG_MTD_ARM_INTEGRATOR is not set
 # CONFIG_MTD_PLATRAM is not set
-CONFIG_MTD_CSB637=y
 
 #
 # Self-contained MTD device drivers
diff --git a/arch/arm/mach-at91/board-csb337.c b/arch/arm/mach-at91/board-csb337.c
index 871c6609d6ec..e18a41e61f0c 100644
--- a/arch/arm/mach-at91/board-csb337.c
+++ b/arch/arm/mach-at91/board-csb337.c
@@ -24,6 +24,7 @@
 #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>
@@ -112,6 +113,42 @@ static struct spi_board_info csb337_spi_devices[] = {
         },
 };
 
+#define CSB_FLASH_BASE  AT91_CHIPSELECT_0
+#define CSB_FLASH_SIZE  0x800000
+
+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 csb337_board_init(void)
 {
         /* Serial */
@@ -131,6 +168,8 @@ static void __init csb337_board_init(void)
         at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices));
         /* MMC */
         at91_add_device_mmc(0, &csb337_mmc_data);
+        /* NOR flash */
+        platform_device_register(&csb_flash);
 }
 
 MACHINE_START(CSB337, "Cogent CSB337")
diff --git a/arch/arm/mach-at91/board-csb637.c b/arch/arm/mach-at91/board-csb637.c
index 774609479c74..77f04b935b3a 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 @@ static struct at91_udc_data __initdata csb637_udc_data = {
         .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 @@ static void __init csb637_board_init(void)
         at91_add_device_i2c();
         /* SPI */
         at91_add_device_spi(NULL, 0);
+        /* NOR flash */
+        platform_device_register(&csb_flash);
 }
 
 MACHINE_START(CSB637, "Cogent CSB637")