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

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

diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index e93964f..8482d22 100644 (file)
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/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,
        },