[PATCH v2 3/3] OMAP3: Add support for NAND on ZOOM3 board

[PATCH v2 3/3] OMAP3: Add support for NAND on ZOOM3 board

[Vimal Singh]

From: Vimal Singh <vimalsingh@ti.com>

This patch adds NAND support to ZOOM3 board.

Signed-off-by: Vimal Singh <vimalsingh@ti.com>
---
 arch/arm/mach-omap2/Makefile      |    1 +
 arch/arm/mach-omap2/board-zoom3.c |   49 +++++++++++++++++++++++++++++++++++++
 2 files changed, 50 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index bd37d6e..556e62f 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -115,6 +115,7 @@ obj-$(CONFIG_MACH_OMAP_ZOOM2)		+= board-zoom2.o \
 					   hsmmc.o \
 					   board-zoom-debugboard.o
 obj-$(CONFIG_MACH_OMAP_ZOOM3)		+= board-zoom3.o \
+ 					   board-zoom-flash.o \
 					   board-zoom-peripherals.o \
 					   hsmmc.o \
 					   board-zoom-debugboard.o
diff --git a/arch/arm/mach-omap2/board-zoom3.c
b/arch/arm/mach-omap2/board-zoom3.c
index d3e3cd5..fcd0c0d 100644
--- a/arch/arm/mach-omap2/board-zoom3.c
+++ b/arch/arm/mach-omap2/board-zoom3.c
@@ -34,6 +34,54 @@ 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           = 1280 * (64 * 2048),	/* 160M, 0xA000000 */
+	},
+	{
+		.name		= "userdata",
+		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0xC000000 */
+		.size		= 256 * (64 * 2048),	/* 32M, 0x2000000 */
+	},
+	{
+		.name		= "cache",
+		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0xE000000 */
+		.size		= 256 * (64 * 2048),	/* 32M, 0x2000000 */
+	},
+};
+
+static struct flash_partitions zoom_flash_partitions[] = {
+	{
+		.parts = zoom_nand_partitions,
+		.nr_parts = ARRAY_SIZE(zoom_nand_partitions),
+	},
+};
+
 static void __init omap_zoom_init_irq(void)
 {
 	omap_board_config = zoom_config;
@@ -66,6 +114,7 @@ static void __init omap_zoom_init(void)
 {
 	omap3_mux_init(board_mux, OMAP_PACKAGE_CBP);
 	zoom_peripherals_init();
+	zoom_flash_init(zoom_flash_partitions, ZOOM_NAND_CS);
 	zoom_debugboard_init();

 	omap_mux_init_gpio(64, OMAP_PIN_OUTPUT);
-- 
1.6.3.3