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[v2,4/8] omap-3630-sdp : Add support for Flash

Message ID 1271180246-31779-5-git-send-email-s-ghorai@ti.com (mailing list archive)
State Changes Requested, archived
Delegated to: Tony Lindgren
Headers show

Commit Message

Sukumar Ghorai April 13, 2010, 5:37 p.m. UTC
None
diff mbox

Patch

diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 57f418b..0b0481d
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -135,6 +135,7 @@  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-sdp-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 504d2bd..0919dca
--- a/arch/arm/mach-omap2/board-3630sdp.c
+++ b/arch/arm/mach-omap2/board-3630sdp.c
@@ -25,6 +25,7 @@ 
 
 #include "mux.h"
 #include "sdram-hynix-h8mbx00u0mer-0em.h"
+extern void sdp_flash_init(struct flash_partitions[]);
 
 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 
@@ -93,12 +94,121 @@  static struct omap_board_mux board_mux[] __initdata = {
 #define board_mux	NULL
 #endif
 
+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();
+	sdp_flash_init(sdp_flash_partitions);
 	enable_board_wakeup_source();
 	usb_ehci_init(&ehci_pdata);
 }
diff --git a/arch/arm/mach-omap2/board-sdp-flash.c b/arch/arm/mach-omap2/board-sdp-flash.c
index b1b88de..0604cfb 100644
--- a/arch/arm/mach-omap2/board-sdp-flash.c
+++ b/arch/arm/mach-omap2/board-sdp-flash.c
@@ -161,6 +161,8 @@  __init board_nand_init(struct flash_partitions sdp_nand_parts, u8 cs)
 	sdp_nand_data.cs		= cs;
 	sdp_nand_data.parts		= sdp_nand_parts.parts;
 	sdp_nand_data.nr_parts		= sdp_nand_parts.nr_parts;
+	if (cpu_is_omap3630())
+		sdp_nand_data.devsize = 1; /* 0: 8-bit, 1: 16-bit device */
 
 	sdp_nand_data.gpmc_cs_baseaddr	= (void *)(OMAP34XX_GPMC_VIRT +
 							GPMC_CS0_BASE +