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authorSukumar Ghorai <s-ghorai@ti.com>2010-07-09 14:27:48 (GMT)
committerTony Lindgren <tony@atomide.com>2010-08-02 12:46:29 (GMT)
commit7e7eb4263ee1f041a9f1b48738b98ef99ef73995 (patch)
treefc6da62dd53f1e2b8ed152c19ec848a116bc8257
parent13d6b73cf189945b7d20e749f9034329d227be6a (diff)
downloadlinux-7e7eb4263ee1f041a9f1b48738b98ef99ef73995.tar.xz
omap3: add support for NAND on zoom2 board
This patch adds NAND support to ZOOM2 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>
-rw-r--r--arch/arm/mach-omap2/Makefile1
-rw-r--r--arch/arm/mach-omap2/board-zoom2.c43
-rw-r--r--arch/arm/mach-omap2/include/mach/board-zoom.h6
3 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 9abefcc..3e6b4d9 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -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 \
diff --git a/arch/arm/mach-omap2/board-zoom2.c b/arch/arm/mach-omap2/board-zoom2.c
index 1520a2c..0eafae2 100644
--- a/arch/arm/mach-omap2/board-zoom2.c
+++ b/arch/arm/mach-omap2/board-zoom2.c
@@ -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();
}
diff --git a/arch/arm/mach-omap2/include/mach/board-zoom.h b/arch/arm/mach-omap2/include/mach/board-zoom.h
index c93b29e..3af69d2 100644
--- a/arch/arm/mach-omap2/include/mach/board-zoom.h
+++ b/arch/arm/mach-omap2/include/mach/board-zoom.h
@@ -1,5 +1,11 @@
/*
* 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);