Toggle the PHY reset GPIO to bring the ethernet PHY out of reset properly.
Signed-off-by: Marek Vasut <marek.vasut+rene...@gmail.com>
Cc: Nobuhiro Iwamatsu <iwama...@nigauri.org>
---
NOTE: This should be moved to the SH ethernet driver, but it's quite
late in the cycle, so this is something to be done in 2018.05.
---
board/renesas/porter/porter.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/board/renesas/porter/porter.c b/board/renesas/porter/porter.c
index bd0080d210..dfefd7fb71 100644
--- a/board/renesas/porter/porter.c
+++ b/board/renesas/porter/porter.c
@@ -65,11 +65,19 @@ int board_early_init_f(void)
return 0;
}
+#define ETHERNET_PHY_RESET 176 /* GPIO 5 22 */
+
int board_init(void)
{
/* adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+ /* Force ethernet PHY out of reset */
+ gpio_request(ETHERNET_PHY_RESET, "phy_reset");
+ gpio_direction_output(ETHERNET_PHY_RESET, 0);
+ mdelay(10);
+ gpio_direction_output(ETHERNET_PHY_RESET, 1);
+
return 0;
}
--
2.15.1
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