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| author | Michael Hennerich <michael.hennerich@analog.com> | 2008-04-24 08:46:19 +0800 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2008-04-24 08:46:19 +0800 |
| commit | 8e9d5c7daff8b74bf3be62cfe0ba48b5af1fa12f (patch) | |
| tree | 57ee39f77f08cdda38fe655e4853f1b3679b9f3d /arch/blackfin | |
| parent | 5f004c2009ef95212349f7c7d87e8ff829d15c31 (diff) | |
| download | op-kernel-dev-8e9d5c7daff8b74bf3be62cfe0ba48b5af1fa12f.zip op-kernel-dev-8e9d5c7daff8b74bf3be62cfe0ba48b5af1fa12f.tar.gz | |
[Blackfin] arch: Add platform support for MTD DATAFLASH
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/mach-bf537/boards/stamp.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c index e954782..d4cbcb8 100644 --- a/arch/blackfin/mach-bf537/boards/stamp.c +++ b/arch/blackfin/mach-bf537/boards/stamp.c @@ -503,6 +503,15 @@ static struct bfin5xx_spi_chip spidev_chip_info = { }; #endif +#if defined(CONFIG_MTD_DATAFLASH) \ + || defined(CONFIG_MTD_DATAFLASH_MODULE) +/* DataFlash chip */ +static struct bfin5xx_spi_chip data_flash_chip_info = { + .enable_dma = 0, /* use dma transfer with this chip*/ + .bits_per_word = 8, +}; +#endif + static struct spi_board_info bfin_spi_board_info[] __initdata = { #if defined(CONFIG_MTD_M25P80) \ || defined(CONFIG_MTD_M25P80_MODULE) @@ -517,7 +526,17 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { .mode = SPI_MODE_3, }, #endif - +#if defined(CONFIG_MTD_DATAFLASH) \ + || defined(CONFIG_MTD_DATAFLASH_MODULE) + { /* DataFlash chip */ + .modalias = "mtd_dataflash", + .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, /* Framework bus number */ + .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/ + .controller_data = &data_flash_chip_info, + .mode = SPI_MODE_3, + }, +#endif #if defined(CONFIG_SPI_ADC_BF533) \ || defined(CONFIG_SPI_ADC_BF533_MODULE) { |
