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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>
This commit is contained in:
Michael Hennerich 2009-01-07 23:14:38 +08:00 committed by Bryan Wu
parent 8f362f8d7b
commit 85a192e92d
1 changed files with 19 additions and 0 deletions
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19
arch/blackfin/mach-bf537/boards/stamp.c
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@ -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)