omap3: add support for NAND on zoom3 board

patch adds NAND support to zoom3 board.

Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com>
Signed-off-by: Vimal Singh <vimalsingh@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 43 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/board-zoom3.c b/arch/arm/mach-omap2/board-zoom3.c
index 7d1704693acb..79fcad655677 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;
@@ -79,6 +120,8 @@ 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);