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sh: MigoR NOR flash support using physmap-flash

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Add NOR flash support to the MigoR board by giving board specific data
to the physmap-flash platform driver.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Magnus Damm 2008-03-21 18:43:55 +09:00 • committed by Paul Mundt
parent 8ed6dfdd09
commit b8808786e8
1 changed files with 46 additions and 0 deletions
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46
arch/sh/boards/renesas/migor/setup.c
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@ -11,6 +11,7 @@
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/input.h> #include <linux/input.h>
#include <linux/mtd/physmap.h>
#include <asm/machvec.h> #include <asm/machvec.h>
#include <asm/io.h> #include <asm/io.h>
#include <asm/sh_keysc.h> #include <asm/sh_keysc.h>
@ -77,9 +78,54 @@ static struct platform_device sh_keysc_device = {
}, },
}; };
static struct mtd_partition migor_nor_flash_partitions[] =
{
{
.name = "uboot",
.offset = 0,
.size = (1 * 1024 * 1024),
.mask_flags = MTD_WRITEABLE, /* Read-only */
},
{
.name = "rootfs",
.offset = MTDPART_OFS_APPEND,
.size = (15 * 1024 * 1024),
},
{
.name = "other",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct physmap_flash_data migor_nor_flash_data = {
.width = 2,
.parts = migor_nor_flash_partitions,
.nr_parts = ARRAY_SIZE(migor_nor_flash_partitions),
};
static struct resource migor_nor_flash_resources[] = {
[0] = {
.name = "NOR Flash",
.start = 0x00000000,
.end = 0x03ffffff,
.flags = IORESOURCE_MEM,
}
};
static struct platform_device migor_nor_flash_device = {
.name = "physmap-flash",
.resource = migor_nor_flash_resources,
.num_resources = ARRAY_SIZE(migor_nor_flash_resources),
.dev = {
.platform_data = &migor_nor_flash_data,
},
};
static struct platform_device *migor_devices[] __initdata = { static struct platform_device *migor_devices[] __initdata = {
&smc91x_eth_device, &smc91x_eth_device,
&sh_keysc_device, &sh_keysc_device,
&migor_nor_flash_device,
}; };
static int __init migor_devices_setup(void) static int __init migor_devices_setup(void)