sh: Add support mtd mapping for highlander
Nobuhiro Iwamatsu [Tue, 16 Jun 2009 07:42:20 +0000 (07:42 +0000)]
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/boards/mach-highlander/setup.c
arch/sh/include/mach-common/mach/highlander.h

index 20fe72c..df054e5 100644 (file)
@@ -17,6 +17,7 @@
 #include <linux/platform_device.h>
 #include <linux/ata_platform.h>
 #include <linux/types.h>
+#include <linux/mtd/physmap.h>
 #include <linux/i2c.h>
 #include <linux/irq.h>
 #include <net/ax88796.h>
@@ -178,6 +179,53 @@ static struct platform_device ax88796_device = {
        .resource       = ax88796_resources,
 };
 
+static struct mtd_partition nor_flash_partitions[] = {
+       {
+               .name           = "loader",
+               .offset         = 0x00000000,
+               .size           = 512 * 1024,
+       },
+       {
+               .name           = "bootenv",
+               .offset         = MTDPART_OFS_APPEND,
+               .size           = 512 * 1024,
+       },
+       {
+               .name           = "kernel",
+               .offset         = MTDPART_OFS_APPEND,
+               .size           = 4 * 1024 * 1024,
+       },
+       {
+               .name           = "data",
+               .offset         = MTDPART_OFS_APPEND,
+               .size           = MTDPART_SIZ_FULL,
+       },
+};
+
+static struct physmap_flash_data nor_flash_data = {
+       .width          = 4,
+       .parts          = nor_flash_partitions,
+       .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
+};
+
+/* This config is flash board for mass production. */
+static struct resource nor_flash_resources[] = {
+       [0]     = {
+               .start  = PA_NORFLASH_ADDR,
+               .end    = PA_NORFLASH_ADDR + PA_NORFLASH_SIZE - 1,
+               .flags  = IORESOURCE_MEM,
+       }
+};
+
+static struct platform_device nor_flash_device = {
+       .name           = "physmap-flash",
+       .dev            = {
+               .platform_data  = &nor_flash_data,
+       },
+       .num_resources  = ARRAY_SIZE(nor_flash_resources),
+       .resource       = nor_flash_resources,
+};
+
 static struct resource smbus_resources[] = {
        [0] = {
                .start  = PA_SMCR,
@@ -209,6 +257,7 @@ static struct platform_device *r7780rp_devices[] __initdata = {
        &m66592_usb_peripheral_device,
        &heartbeat_device,
        &smbus_device,
+       &nor_flash_device,
 #ifndef CONFIG_SH_R7780RP
        &ax88796_device,
 #endif
index bd26a84..5d9d4d5 100644 (file)
@@ -2,6 +2,9 @@
 #define __ASM_SH_RENESAS_R7780RP_H
 
 /* Box specific addresses.  */
+#define PA_NORFLASH_ADDR       0x00000000
+#define PA_NORFLASH_SIZE       0x04000000
+
 #if defined(CONFIG_SH_R7780MP)
 #define PA_BCR          0xa4000000      /* FPGA */
 #define PA_SDPOW       (-1)