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| author | Michael Hennerich <michael.hennerich@analog.com> | 2009-01-07 23:14:38 +0800 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2009-01-07 23:14:38 +0800 |
| commit | 85a192e92dcb67552ee3fcdf2e36c11688b61955 (patch) | |
| tree | b03e2f6b4cf899c0cbdcac9ad38efc7f9bc052e5 /arch/blackfin/mach-bf537 | |
| parent | 8f362f8d7b743adb7279c5371dfccd8edcb224fc (diff) | |
| download | op-kernel-dev-85a192e92dcb67552ee3fcdf2e36c11688b61955.zip op-kernel-dev-85a192e92dcb67552ee3fcdf2e36c11688b61955.tar.gz | |
Blackfin arch: Add BF537-STAMP platform support for ENC28J60 SPI Ethernet MAC
This device shouldn't be considered as an alternative to a Memory Mapped
or built-in Ethernet MAC. Throughput is slow (~460kByte/s) while generating
a very high system load (~60%).
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/mach-bf537')
| -rw-r--r-- | arch/blackfin/mach-bf537/boards/stamp.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c index e6e722d..c198f90 100644 --- a/arch/blackfin/mach-bf537/boards/stamp.c +++ b/arch/blackfin/mach-bf537/boards/stamp.c @@ -623,6 +623,14 @@ static struct bfin5xx_spi_chip lq035q1_spi_chip_info = { }; #endif +#if defined(CONFIG_ENC28J60) || defined(CONFIG_ENC28J60_MODULE) +static struct bfin5xx_spi_chip enc28j60_spi_chip_info = { + .enable_dma = 1, + .bits_per_word = 8, + .cs_gpio = GPIO_PF10, +}; +#endif + #if defined(CONFIG_MTD_DATAFLASH) \ || defined(CONFIG_MTD_DATAFLASH_MODULE) @@ -784,6 +792,17 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = { .mode = SPI_CPHA | SPI_CPOL, }, #endif +#if defined(CONFIG_ENC28J60) || defined(CONFIG_ENC28J60_MODULE) + { + .modalias = "enc28j60", + .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ + .irq = IRQ_PF6, + .bus_num = 0, + .chip_select = 0, /* GPIO controlled SSEL */ + .controller_data = &enc28j60_spi_chip_info, + .mode = SPI_MODE_0, + }, +#endif }; #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) |
