[PATCH v3 3/8] omap3: add support for NAND on zoom3 board

[Sukumar Ghorai <s-ghorai@ti.com>]

patch adds NAND support to zoom3 board.

Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com>
Signed-off-by: Vimal Singh <vimalsingh@ti.com>
---
 arch/arm/mach-omap2/Makefile      |    1 +
 arch/arm/mach-omap2/board-zoom3.c |   43 +++++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index e7159b0..00f4cfd 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -131,6 +131,7 @@ obj-$(CONFIG_MACH_OMAP_ZOOM2)		+= board-zoom2.o \
 					   board-zoom-debugboard.o
 obj-$(CONFIG_MACH_OMAP_ZOOM3)		+= board-zoom3.o \
 					   board-zoom-peripherals.o \
+					   board-flash.o \
 					   hsmmc.o \
 					   board-zoom-debugboard.o
 obj-$(CONFIG_MACH_OMAP_3630SDP)		+= board-3630sdp.o \
diff --git a/arch/arm/mach-omap2/board-zoom3.c b/arch/arm/mach-omap2/board-zoom3.c
index 3314704..692c6c6 100644
--- a/arch/arm/mach-omap2/board-zoom3.c
+++ b/arch/arm/mach-omap2/board-zoom3.c
@@ -34,6 +34,47 @@ static void __init omap_zoom_map_io(void)
 static struct omap_board_config_kernel zoom_config[] __initdata = {
 };
 
+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_zoom_init_irq(void)
 {
 	omap_board_config = zoom_config;
@@ -66,6 +107,8 @@ static void __init omap_zoom_init(void)
 {
 	omap3_mux_init(board_mux, OMAP_PACKAGE_CBP);
 	zoom_peripherals_init();
+	board_nand_init(zoom_nand_partitions,
+			 ARRAY_SIZE(zoom_nand_partitions), ZOOM_NAND_CS);
 	zoom_debugboard_init();
 
 	omap_mux_init_gpio(64, OMAP_PIN_OUTPUT);