diff options
| author | Peng Fan <peng.fan@nxp.com> | 2017-04-13 06:09:58 (GMT) |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2017-05-18 09:24:34 (GMT) |
| commit | 709fef513120cfc9a18bfcee42d466bd3d04b3a4 (patch) | |
| tree | 34d9755cde3cd153e89ac5b3c13c05087be3c514 | |
| parent | 6fbbcfdf06cffe38a8cec31ba14e404435527e35 (diff) | |
| download | u-boot-709fef513120cfc9a18bfcee42d466bd3d04b3a4.tar.xz | |
imx: mx7dsabresd: reset ENET_RST_B
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>
| -rw-r--r-- | board/freescale/mx7dsabresd/mx7dsabresd.c | 17 |
1 files changed, 17 insertions, 0 deletions
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(); |