[U-Boot] [PATCH] mx6slevk: Fix the power up of the Ethernet PHY
Fabio Estevam
festevam at gmail.com
Fri Mar 11 14:50:22 CET 2016
From: Fabio Estevam <fabio.estevam at nxp.com>
GPIO4_21 is the LAN8720 power pin, not the LAN8720 reset pin.
Fix that, so that we can have Ethernet functional again.
Signed-off-by: Fabio Estevam <fabio.estevam at nxp.com>
---
board/freescale/mx6slevk/mx6slevk.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/board/freescale/mx6slevk/mx6slevk.c b/board/freescale/mx6slevk/mx6slevk.c
index 4f816c4..f440ce6 100644
--- a/board/freescale/mx6slevk/mx6slevk.c
+++ b/board/freescale/mx6slevk/mx6slevk.c
@@ -57,7 +57,7 @@ DECLARE_GLOBAL_DATA_PTR;
PAD_CTL_DSE_80ohm | PAD_CTL_HYS | \
PAD_CTL_SRE_FAST)
-#define ETH_PHY_RESET IMX_GPIO_NR(4, 21)
+#define ETH_PHY_POWER IMX_GPIO_NR(4, 21)
int dram_init(void)
{
@@ -154,10 +154,9 @@ static void setup_iomux_fec(void)
{
imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
- /* Reset LAN8720 PHY */
- gpio_direction_output(ETH_PHY_RESET , 0);
- udelay(25000);
- gpio_set_value(ETH_PHY_RESET, 1);
+ /* Power up LAN8720 PHY */
+ gpio_direction_output(ETH_PHY_POWER , 1);
+ udelay(15000);
}
#define USDHC1_CD_GPIO IMX_GPIO_NR(4, 7)
--
1.9.1
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