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Commit ec34fccd authored by Igor Grinberg's avatar Igor Grinberg Committed by Tony Lindgren
Browse files

omap3: cm-t3517: add support for NAND flash 



add support for NAND flash.

Signed-off-by: default avatarIgor Grinberg <grinberg@compulab.co.il>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 525d75b3

arch/arm/mach-omap2/board-cm-t3517.c

+54 −0
Original line number Diff line number Diff line
@@ -29,6 +29,9 @@ 
#include <linux/gpio.h>

#include <linux/leds.h>

#include <linux/rtc-v3020.h>

#include <linux/mtd/mtd.h>

#include <linux/mtd/nand.h>

#include <linux/mtd/partitions.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>
@@ -38,6 +41,8 @@ 
#include <plat/common.h>

#include <plat/control.h>

#include <plat/usb.h>

#include <plat/nand.h>

#include <plat/gpmc.h>



#include "mux.h"
@@ -143,6 +148,54 @@ static inline int cm_t3517_init_usbh(void) 
}

#endif



#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)

#define NAND_BLOCK_SIZE		SZ_128K



static struct mtd_partition cm_t3517_nand_partitions[] = {

	{

		.name           = "xloader",

		.offset         = 0,			/* Offset = 0x00000 */

		.size           = 4 * NAND_BLOCK_SIZE,

		.mask_flags     = MTD_WRITEABLE

	},

	{

		.name           = "uboot",

		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x80000 */

		.size           = 15 * NAND_BLOCK_SIZE,

	},

	{

		.name           = "uboot environment",

		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x260000 */

		.size           = 2 * NAND_BLOCK_SIZE,

	},

	{

		.name           = "linux",

		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x280000 */

		.size           = 32 * NAND_BLOCK_SIZE,

	},

	{

		.name           = "rootfs",

		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x680000 */

		.size           = MTDPART_SIZ_FULL,

	},

};



static struct omap_nand_platform_data cm_t3517_nand_data = {

	.parts			= cm_t3517_nand_partitions,

	.nr_parts		= ARRAY_SIZE(cm_t3517_nand_partitions),

	.dma_channel		= -1,	/* disable DMA in OMAP NAND driver */

	.cs			= 0,

};



static void __init cm_t3517_init_nand(void)

{

	if (gpmc_nand_init(&cm_t3517_nand_data) < 0)

		pr_err("CM-T3517: NAND initialization failed\n");

}

#else

static inline void cm_t3517_init_nand(void) {}

#endif



static struct omap_board_config_kernel cm_t3517_config[] __initdata = {

};
@@ -179,6 +232,7 @@ static void __init cm_t3517_init(void) 
	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);

	omap_serial_init();

	cm_t3517_init_leds();

	cm_t3517_init_nand();

	cm_t3517_init_rtc();

	cm_t3517_init_usbh();

}