diff options
| author | Igor Grinberg <grinberg@compulab.co.il> | 2010-09-21 20:03:12 +0400 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-09-28 02:15:21 +0400 |
| commit | ec34fccd3a8ed4997c38797b49e37535ad387401 (patch) | |
| tree | 040d1ced9bf9f5720bea989068484cda8acf1d25 /arch/arm/mach-omap2/board-cm-t3517.c | |
| parent | 525d75b31bc97354870b5991d57b2607d7b88602 (diff) | |
| download | linux-ec34fccd3a8ed4997c38797b49e37535ad387401.tar.xz | |
omap3: cm-t3517: add support for NAND flash
add support for NAND flash.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/board-cm-t3517.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-cm-t3517.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c index 2c7082d6d772..4c26cf53a6e5 100644 --- a/arch/arm/mach-omap2/board-cm-t3517.c +++ b/arch/arm/mach-omap2/board-cm-t3517.c @@ -29,6 +29,9 @@ #include <linux/gpio.h> #include <linux/leds.h> #include <linux/rtc-v3020.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/partitions.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -38,6 +41,8 @@ #include <plat/common.h> #include <plat/control.h> #include <plat/usb.h> +#include <plat/nand.h> +#include <plat/gpmc.h> #include "mux.h" @@ -143,6 +148,54 @@ static inline int cm_t3517_init_usbh(void) } #endif +#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE) +#define NAND_BLOCK_SIZE SZ_128K + +static struct mtd_partition cm_t3517_nand_partitions[] = { + { + .name = "xloader", + .offset = 0, /* Offset = 0x00000 */ + .size = 4 * NAND_BLOCK_SIZE, + .mask_flags = MTD_WRITEABLE + }, + { + .name = "uboot", + .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ + .size = 15 * NAND_BLOCK_SIZE, + }, + { + .name = "uboot environment", + .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */ + .size = 2 * NAND_BLOCK_SIZE, + }, + { + .name = "linux", + .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */ + .size = 32 * NAND_BLOCK_SIZE, + }, + { + .name = "rootfs", + .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */ + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct omap_nand_platform_data cm_t3517_nand_data = { + .parts = cm_t3517_nand_partitions, + .nr_parts = ARRAY_SIZE(cm_t3517_nand_partitions), + .dma_channel = -1, /* disable DMA in OMAP NAND driver */ + .cs = 0, +}; + +static void __init cm_t3517_init_nand(void) +{ + if (gpmc_nand_init(&cm_t3517_nand_data) < 0) + pr_err("CM-T3517: NAND initialization failed\n"); +} +#else +static inline void cm_t3517_init_nand(void) {} +#endif + static struct omap_board_config_kernel cm_t3517_config[] __initdata = { }; @@ -179,6 +232,7 @@ static void __init cm_t3517_init(void) omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); omap_serial_init(); cm_t3517_init_leds(); + cm_t3517_init_nand(); cm_t3517_init_rtc(); cm_t3517_init_usbh(); } |