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authorNobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>2009-06-16 07:42:20 +0000
committerPaul Mundt <lethal@linux-sh.org>2009-06-16 16:49:03 +0900
commit15ba400ebb9d958afb3d2a7aa079a56e9ad2fe7a (patch)
treeef3d98d2ad1a736418779f86bba34409f58893ab /arch/sh
parent8c6b44d00aca45edf69b35220ba4dce962c482f8 (diff)
downloadop-kernel-dev-15ba400ebb9d958afb3d2a7aa079a56e9ad2fe7a.zip
op-kernel-dev-15ba400ebb9d958afb3d2a7aa079a56e9ad2fe7a.tar.gz
sh: Add support mtd mapping for highlander
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/boards/mach-highlander/setup.c49
-rw-r--r--arch/sh/include/mach-common/mach/highlander.h3
2 files changed, 52 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-highlander/setup.c b/arch/sh/boards/mach-highlander/setup.c
index 20fe72c..df054e5 100644
--- a/arch/sh/boards/mach-highlander/setup.c
+++ b/arch/sh/boards/mach-highlander/setup.c
@@ -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
diff --git a/arch/sh/include/mach-common/mach/highlander.h b/arch/sh/include/mach-common/mach/highlander.h
index bd26a84..5d9d4d5 100644
--- a/arch/sh/include/mach-common/mach/highlander.h
+++ b/arch/sh/include/mach-common/mach/highlander.h
@@ -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)
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