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

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Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Michael Hennerich 2008-08-25 17:39:11 +08:00 committed by Bryan Wu
parent b8e6c91c74
commit ceac2651e9
1 changed files with 26 additions and 1 deletions
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27
arch/blackfin/mach-bf537/boards/stamp.c
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@ -584,6 +584,30 @@ static struct bfin5xx_spi_chip spidev_chip_info = {
#if defined(CONFIG_MTD_DATAFLASH) \ #if defined(CONFIG_MTD_DATAFLASH) \
|| defined(CONFIG_MTD_DATAFLASH_MODULE) || 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 */ /* DataFlash chip */
static struct bfin5xx_spi_chip data_flash_chip_info = { static struct bfin5xx_spi_chip data_flash_chip_info = {
.enable_dma = 0, /* use dma transfer with this chip*/ .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) || defined(CONFIG_MTD_DATAFLASH_MODULE)
{ /* DataFlash chip */ { /* DataFlash chip */
.modalias = "mtd_dataflash", .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 */ .bus_num = 0, /* Framework bus number */
.chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/ .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
.platform_data = &bfin_spi_dataflash_data,
.controller_data = &data_flash_chip_info, .controller_data = &data_flash_chip_info,
.mode = SPI_MODE_3, .mode = SPI_MODE_3,
}, },