omap-3630-sdp : Add support for Flash

add support for NAND, OneNAND, NOR on omap 3630-sdp board.

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

2 files changed, 121 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index f8d536fc244e..3988441c0484 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -140,6 +140,7 @@ obj-$(CONFIG_MACH_OMAP_ZOOM3)		+= board-zoom3.o \
                                            board-zoom-debugboard.o
 obj-$(CONFIG_MACH_OMAP_3630SDP)         += board-3630sdp.o \
                                            board-zoom-peripherals.o \
+                                           board-flash.o \
                                            hsmmc.o
 obj-$(CONFIG_MACH_CM_T35)               += board-cm-t35.o \
                                            hsmmc.o
diff --git a/arch/arm/mach-omap2/board-3630sdp.c b/arch/arm/mach-omap2/board-3630sdp.c
index f267dc04d866..2eb3f94b478e 100644
--- a/arch/arm/mach-omap2/board-3630sdp.c
+++ b/arch/arm/mach-omap2/board-3630sdp.c
@@ -21,6 +21,7 @@
 #include <plat/usb.h>
 
 #include <mach/board-zoom.h>
+#include <mach/board-flash.h>
 
 #include "mux.h"
 #include "sdram-hynix-h8mbx00u0mer-0em.h"
@@ -92,12 +93,131 @@ static struct omap_board_mux board_mux[] __initdata = {
 #define board_mux       NULL
 #endif
 
+/*
+ * SDP3630 CS organization
+ * See also the Switch S8 settings in the comments.
+ */
+static char chip_sel_sdp[][GPMC_CS_NUM] = {
+        {PDC_NOR, PDC_NAND, PDC_ONENAND, DBG_MPDB, 0, 0, 0, 0}, /* S8:1111 */
+        {PDC_ONENAND, PDC_NAND, PDC_NOR, DBG_MPDB, 0, 0, 0, 0}, /* S8:1110 */
+        {PDC_NAND, PDC_ONENAND, PDC_NOR, DBG_MPDB, 0, 0, 0, 0}, /* S8:1101 */
+};
+
+static struct mtd_partition sdp_nor_partitions[] = {
+        /* bootloader (U-Boot, etc) in first sector */
+        {
+                .name           = "Bootloader-NOR",
+                .offset         = 0,
+                .size           = SZ_256K,
+                .mask_flags     = MTD_WRITEABLE, /* force read-only */
+        },
+        /* bootloader params in the next sector */
+        {
+                .name           = "Params-NOR",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = SZ_256K,
+                .mask_flags     = 0,
+        },
+        /* kernel */
+        {
+                .name           = "Kernel-NOR",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = SZ_2M,
+                .mask_flags     = 0
+        },
+        /* file system */
+        {
+                .name           = "Filesystem-NOR",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = MTDPART_SIZ_FULL,
+                .mask_flags     = 0
+        }
+};
+
+static struct mtd_partition sdp_onenand_partitions[] = {
+        {
+                .name           = "X-Loader-OneNAND",
+                .offset         = 0,
+                .size           = 4 * (64 * 2048),
+                .mask_flags     = MTD_WRITEABLE  /* force read-only */
+        },
+        {
+                .name           = "U-Boot-OneNAND",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = 2 * (64 * 2048),
+                .mask_flags     = MTD_WRITEABLE  /* force read-only */
+        },
+        {
+                .name           = "U-Boot Environment-OneNAND",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = 1 * (64 * 2048),
+        },
+        {
+                .name           = "Kernel-OneNAND",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = 16 * (64 * 2048),
+        },
+        {
+                .name           = "File System-OneNAND",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = MTDPART_SIZ_FULL,
+        },
+};
+
+static struct mtd_partition sdp_nand_partitions[] = {
+        /* All the partition sizes are listed in terms of NAND block size */
+        {
+                .name           = "X-Loader-NAND",
+                .offset         = 0,
+                .size           = 4 * (64 * 2048),
+                .mask_flags     = MTD_WRITEABLE,        /* force read-only */
+        },
+        {
+                .name           = "U-Boot-NAND",
+                .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
+                .size           = 10 * (64 * 2048),
+                .mask_flags     = MTD_WRITEABLE,        /* force read-only */
+        },
+        {
+                .name           = "Boot Env-NAND",
+
+                .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x1c0000 */
+                .size           = 6 * (64 * 2048),
+        },
+        {
+                .name           = "Kernel-NAND",
+                .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
+                .size           = 40 * (64 * 2048),
+        },
+        {
+                .name           = "File System - NAND",
+                .size           = MTDPART_SIZ_FULL,
+                .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x780000 */
+        },
+};
+
+static struct flash_partitions sdp_flash_partitions[] = {
+        {
+                .parts = sdp_nor_partitions,
+                .nr_parts = ARRAY_SIZE(sdp_nor_partitions),
+        },
+        {
+                .parts = sdp_onenand_partitions,
+                .nr_parts = ARRAY_SIZE(sdp_onenand_partitions),
+        },
+        {
+                .parts = sdp_nand_partitions,
+                .nr_parts = ARRAY_SIZE(sdp_nand_partitions),
+        },
+};
+
 static void __init omap_sdp_init(void)
 {
         omap3_mux_init(board_mux, OMAP_PACKAGE_CBP);
         omap_serial_init();
         zoom_peripherals_init();
         board_smc91x_init();
+        board_flash_init(sdp_flash_partitions, chip_sel_sdp);
         enable_board_wakeup_source();
         usb_ehci_init(&ehci_pdata);
 }