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| author | Peng Fan <peng.fan@nxp.com> | 2017-02-06 17:21:21 +0800 |
|---|---|---|
| committer | Ye Li <ye.li@nxp.com> | 2017-04-05 14:07:06 +0800 |
| commit | f8de583c3e948ae8a819b0b531ad17cf3cc713d7 (patch) | |
| tree | 1edb6dd7f0a37213188eda4fffebb68284f1164f /board | |
| parent | aac43b28e50300214a02212fb8ccc1c2fdf070de (diff) | |
| download | u-boot-imx-f8de583c3e948ae8a819b0b531ad17cf3cc713d7.zip u-boot-imx-f8de583c3e948ae8a819b0b531ad17cf3cc713d7.tar.gz u-boot-imx-f8de583c3e948ae8a819b0b531ad17cf3cc713d7.tar.bz2 | |
MLK-14418-5 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>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/mx7dsabresd/mx7dsabresd.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/board/freescale/mx7dsabresd/mx7dsabresd.c b/board/freescale/mx7dsabresd/mx7dsabresd.c index 9796049..5c70b48 100644 --- a/board/freescale/mx7dsabresd/mx7dsabresd.c +++ b/board/freescale/mx7dsabresd/mx7dsabresd.c @@ -210,6 +210,22 @@ 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"); + } + + ret = gpio_request(gpio, "fec_rst"); + if (ret && ret != -EBUSY) { + printf("gpio: requesting pin %u failed\n", gpio); + return -1; + } + + gpio_direction_output(gpio, 0); + udelay(500); + gpio_direction_output(gpio, 1); setup_iomux_fec(); |