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mtd: OneNand support for Nomadik 8815 SoC (on NHK8815 board) 

Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Andrea Gallo <andrea.gallo@stericsson.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Alessandro Rubini 2009-07-24 13:30:04 +02:00 committed by David Woodhouse
parent 63234717d1
commit 8b85e7cbcf
1 changed files with 63 additions and 0 deletions
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63
arch/arm/mach-nomadik/board-nhk8815.c
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@ -24,6 +24,7 @@
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <asm/mach/flash.h>
#include <mach/setup.h>
#include <mach/nand.h>
#include <mach/fsmc.h>
@ -112,6 +113,66 @@ static struct platform_device nhk8815_nand_device = {
.num_resources = ARRAY_SIZE(nhk8815_nand_resources),
};
/* These are the partitions for the OneNand device, different from above */
static struct mtd_partition nhk8815_onenand_partitions[] = {
{
.name = "X-Loader(OneNAND)",
.offset = 0,
.size = SZ_256K,
}, {
.name = "MemInit(OneNAND)",
.offset = MTDPART_OFS_APPEND,
.size = SZ_256K,
}, {
.name = "BootLoader(OneNAND)",
.offset = MTDPART_OFS_APPEND,
.size = SZ_2M-SZ_256K,
}, {
.name = "SysImage(OneNAND)",
.offset = MTDPART_OFS_APPEND,
.size = 4 * SZ_1M,
}, {
.name = "Root Filesystem(OneNAND)",
.offset = MTDPART_OFS_APPEND,
.size = 22 * SZ_1M,
}, {
.name = "User Filesystem(OneNAND)",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
}
};
static struct flash_platform_data nhk8815_onenand_data = {
.parts = nhk8815_onenand_partitions,
.nr_parts = ARRAY_SIZE(nhk8815_onenand_partitions),
};
static struct resource nhk8815_onenand_resource[] = {
{
.start = 0x30000000,
.end = 0x30000000 + SZ_128K - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device nhk8815_onenand_device = {
.name = "onenand",
.id = -1,
.dev = {
.platform_data = &nhk8815_onenand_data,
},
.resource = nhk8815_onenand_resource,
.num_resources = ARRAY_SIZE(nhk8815_onenand_resource),
};
static void __init nhk8815_onenand_init(void)
{
#ifdef CONFIG_ONENAND
/* Set up SMCS0 for OneNand */
writel(0x000030db, FSMC_BCR0);
writel(0x02100551, FSMC_BTR0);
#endif
}
#define __MEM_4K_RESOURCE(x) \
.res = {.start = (x), .end = (x) + SZ_4K - 1, .flags = IORESOURCE_MEM}
@ -173,6 +234,7 @@ device_initcall(nhk8815_eth_init);
static struct platform_device *nhk8815_platform_devices[] __initdata = {
&nhk8815_nand_device,
&nhk8815_onenand_device,
&nhk8815_eth_device,
/* will add more devices */
};
@ -182,6 +244,7 @@ static void __init nhk8815_platform_init(void)
int i;
cpu8815_platform_init();
nhk8815_onenand_init();
platform_add_devices(nhk8815_platform_devices,
ARRAY_SIZE(nhk8815_platform_devices));