Reset ENET_RST_B to make ENET function stable. Since DM_GPIO enabled, we use "gpio_spi@0_5" which corresponds to ENET_RST_B.
Signed-off-by: Peng Fan peng.fan@nxp.com Cc: Stefano Babic sbabic@denx.de ---
V2: None
board/freescale/mx7dsabresd/mx7dsabresd.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/board/freescale/mx7dsabresd/mx7dsabresd.c b/board/freescale/mx7dsabresd/mx7dsabresd.c index d6ba364..f7a5f0d 100644 --- a/board/freescale/mx7dsabresd/mx7dsabresd.c +++ b/board/freescale/mx7dsabresd/mx7dsabresd.c @@ -232,6 +232,23 @@ int mmc_map_to_kernel_blk(int dev_no) int board_eth_init(bd_t *bis) { int ret; + unsigned int gpio; + + ret = gpio_lookup_name("gpio_spi@0_5", NULL, NULL, &gpio); + if (ret) { + printf("GPIO: 'gpio_spi@0_5' not found\n"); + return -ENODEV; + } + + ret = gpio_request(gpio, "fec_rst"); + if (ret && ret != -EBUSY) { + printf("gpio: requesting pin %u failed\n", gpio); + return ret; + } + + gpio_direction_output(gpio, 0); + udelay(500); + gpio_direction_output(gpio, 1);
setup_iomux_fec();