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Commit dee9b2e9 authored by Ben Dooks's avatar Ben Dooks Committed by Russell King
Browse files

[ARM] 3442/1: [S3C2410] SMDK: NAND device setup 



Patch from Ben Dooks

Add SMDK2410/SMDK2440 NAND device information
and default partition table.

Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 66ce229f

arch/arm/mach-s3c2410/common-smdk.c

+84 −1
Original line number Diff line number Diff line
@@ -20,6 +20,11 @@ 
#include <linux/init.h>

#include <linux/platform_device.h>



#include <linux/mtd/mtd.h>

#include <linux/mtd/nand.h>

#include <linux/mtd/nand_ecc.h>

#include <linux/mtd/partitions.h>



#include <asm/mach/arch.h>

#include <asm/mach/map.h>

#include <asm/mach/irq.h>
@@ -27,12 +32,86 @@ 
#include <asm/hardware.h>

#include <asm/io.h>

#include <asm/irq.h>

#include <asm/mach-types.h>



#include <asm/arch/regs-gpio.h>



#include <asm/arch/nand.h>



#include "devs.h"

#include "pm.h"



/* NAND parititon from 2.4.18-swl5 */



static struct mtd_partition smdk_default_nand_part[] = {

	[0] = {

		.name	= "Boot Agent",

		.size	= SZ_16K,

		.offset	= 0,

	},

	[1] = {

		.name	= "S3C2410 flash parition 1",

		.offset = 0,

		.size	= SZ_2M,

	},

	[2] = {

		.name	= "S3C2410 flash partition 2",

		.offset = SZ_4M,

		.size	= SZ_4M,

	},

	[3] = {

		.name	= "S3C2410 flash partition 3",

		.offset	= SZ_8M,

		.size	= SZ_2M,

	},

	[4] = {

		.name	= "S3C2410 flash partition 4",

		.offset = SZ_1M * 10,

		.size	= SZ_4M,

	},

	[5] = {

		.name	= "S3C2410 flash partition 5",

		.offset	= SZ_1M * 14,

		.size	= SZ_1M * 10,

	},

	[6] = {

		.name	= "S3C2410 flash partition 6",

		.offset	= SZ_1M * 24,

		.size	= SZ_1M * 24,

	},

	[7] = {

		.name	= "S3C2410 flash partition 7",

		.offset = SZ_1M * 48,

		.size	= SZ_16M,

	}

};



static struct s3c2410_nand_set smdk_nand_sets[] = {

	[0] = {

		.name		= "NAND",

		.nr_chips	= 1,

		.nr_partitions	= ARRAY_SIZE(smdk_default_nand_part),

		.partitions	= smdk_default_nand_part,

	},

};



/* choose a set of timings which should suit most 512Mbit

 * chips and beyond.

*/



static struct s3c2410_platform_nand smdk_nand_info = {

	.tacls		= 20,

	.twrph0		= 60,

	.twrph1		= 20,

	.nr_sets	= ARRAY_SIZE(smdk_nand_sets),

	.sets		= smdk_nand_sets,

};



/* devices we initialise */



static struct platform_device __initdata *smdk_devs[] = {

	&s3c_device_nand,

};



void __init smdk_machine_init(void)

{

	/* Configure the LEDs (even if we have no LED support)*/
@@ -47,5 +126,9 @@ void __init smdk_machine_init(void) 
	s3c2410_gpio_setpin(S3C2410_GPF6, 1);

	s3c2410_gpio_setpin(S3C2410_GPF7, 1);



	s3c_device_nand.dev.platform_data = &smdk_nand_info;



	platform_add_devices(smdk_devs, ARRAY_SIZE(smdk_devs));



	s3c2410_pm_init();

}