Commit 85a192e9 authored by Michael Hennerich's avatar Michael Hennerich Committed by Bryan Wu
Browse files

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: default avatarMichael Hennerich <michael.hennerich@analog.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent 8f362f8d

arch/blackfin/mach-bf537/boards/stamp.c

+19 −0
Original line number Diff line number Diff line
@@ -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)