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>

1 files changed, 26 insertions, 1 deletions

diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index e93964fdb432..8482d22321f3 100644
--- 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,
         },