Toggle the PHY reset GPIO to bring the ethernet PHY out of reset properly.
Signed-off-by: Marek Vasut marek.vasut+renesas@gmail.com Cc: Nobuhiro Iwamatsu iwamatsu@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; }