add support for NAND flash.
Signed-off-by: Igor Grinberg <grinberg@xxxxxxxxxxxxxx>
---
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 2c7082d..4c26cf5 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();
}
--
1.7.1
--
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