Blackfin arch: Add MTD Partitions for MTD_DATAFLASH, increase max SPI SCLK

Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com>
Signed-off-by: NBryan Wu <cooloney@kernel.org>

arch/blackfin/mach-bf537/boards/stamp.c

@@ -584,6 +584,30 @@ static struct bfin5xx_spi_chip spidev_chip_info = {
 
 #if defined(CONFIG_MTD_DATAFLASH) \
 	|| defined(CONFIG_MTD_DATAFLASH_MODULE)
+
+static struct mtd_partition bfin_spi_dataflash_partitions[] = {
+	{
+		.name = "bootloader(spi)",
+		.size = 0x00040000,
+		.offset = 0,
+		.mask_flags = MTD_CAP_ROM
+	}, {
+		.name = "linux kernel(spi)",
+		.size = 0xe0000,
+		.offset = MTDPART_OFS_APPEND,
+	}, {
+		.name = "file system(spi)",
+		.size = MTDPART_SIZ_FULL,
+		.offset = MTDPART_OFS_APPEND,
+	}
+};
+
+static struct flash_platform_data bfin_spi_dataflash_data = {
+	.name = "SPI Dataflash",
+	.parts = bfin_spi_dataflash_partitions,
+	.nr_parts = ARRAY_SIZE(bfin_spi_dataflash_partitions),
+};
+
 /* DataFlash chip */
 static struct bfin5xx_spi_chip data_flash_chip_info = {
 	.enable_dma = 0,         /* use dma transfer with this chip*/
@@ -609,9 +633,10 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 	|| defined(CONFIG_MTD_DATAFLASH_MODULE)
 	{	/* DataFlash chip */
 		.modalias = "mtd_dataflash",
-		.max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
+		.max_speed_hz = 33250000,     /* max spi clock (SCK) speed in HZ */
 		.bus_num = 0, /* Framework bus number */
 		.chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
+		.platform_data = &bfin_spi_dataflash_data,
 		.controller_data = &data_flash_chip_info,
 		.mode = SPI_MODE_3,
 	},