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Commit 7e7eb426 authored by Sukumar Ghorai's avatar Sukumar Ghorai Committed by Tony Lindgren
Browse files

omap3: add support for NAND on zoom2 board 



This patch adds NAND support to ZOOM2 board.

Signed-off-by: default avatarSukumar Ghorai <s-ghorai@ti.com>
Signed-off-by: default avatarVimal Singh <vimalsingh@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 13d6b73c

arch/arm/mach-omap2/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -130,6 +130,7 @@ obj-$(CONFIG_MACH_NOKIA_RX51) += board-rx51.o \ 
					   hsmmc.o

obj-$(CONFIG_MACH_OMAP_ZOOM2)		+= board-zoom2.o \

					   board-zoom-peripherals.o \

					   board-flash.o \

					   hsmmc.o \

					   board-zoom-debugboard.o

obj-$(CONFIG_MACH_OMAP_ZOOM3)		+= board-zoom3.o \

arch/arm/mach-omap2/board-zoom2.c

+43 −0
Original line number Diff line number Diff line
@@ -90,10 +90,53 @@ static struct omap_board_mux board_mux[] __initdata = { 
#define board_mux	NULL

#endif



static struct mtd_partition zoom_nand_partitions[] = {

	/* All the partition sizes are listed in terms of NAND block size */

	{

		.name		= "X-Loader-NAND",

		.offset		= 0,

		.size		= 4 * (64 * 2048),	/* 512KB, 0x80000 */

		.mask_flags	= MTD_WRITEABLE,	/* force read-only */

	},

	{

		.name		= "U-Boot-NAND",

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

		.size		= 10 * (64 * 2048),	/* 1.25MB, 0x140000 */

		.mask_flags	= MTD_WRITEABLE,	/* force read-only */

	},

	{

		.name		= "Boot Env-NAND",

		.offset		= MTDPART_OFS_APPEND,   /* Offset = 0x1c0000 */

		.size		= 2 * (64 * 2048),	/* 256KB, 0x40000 */

	},

	{

		.name		= "Kernel-NAND",

		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x0200000*/

		.size		= 240 * (64 * 2048),	/* 30M, 0x1E00000 */

	},

	{

		.name		= "system",

		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x2000000 */

		.size		= 3328 * (64 * 2048),	/* 416M, 0x1A000000 */

	},

	{

		.name		= "userdata",

		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x1C000000*/

		.size		= 256 * (64 * 2048),	/* 32M, 0x2000000 */

	},

	{

		.name		= "cache",

		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x1E000000*/

		.size		= 256 * (64 * 2048),	/* 32M, 0x2000000 */

	},

};



static void __init omap_zoom2_init(void)

{

	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);

	zoom_peripherals_init();

	board_nand_init(zoom_nand_partitions,

			ARRAY_SIZE(zoom_nand_partitions), ZOOM_NAND_CS);

	zoom_debugboard_init();

}

arch/arm/mach-omap2/include/mach/board-zoom.h

+6 −0
Original line number Diff line number Diff line 
/*

 * Defines for zoom boards

 */

#include <linux/mtd/mtd.h>

#include <linux/mtd/partitions.h>



#define ZOOM_NAND_CS    0



extern void __init board_nand_init(struct mtd_partition *, u8 nr_parts, u8 cs);

extern int __init zoom_debugboard_init(void);

extern void __init zoom_peripherals_init(void);