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Commit 8b85e7cb authored by Alessandro Rubini's avatar Alessandro Rubini Committed by David Woodhouse
Browse files

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



Signed-off-by: default avatarAlessandro Rubini <rubini@unipv.it>
Acked-by: default avatarAndrea Gallo <andrea.gallo@stericsson.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 63234717

arch/arm/mach-nomadik/board-nhk8815.c

+63 −0
Original line number Diff line number Diff line
@@ -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));