From cd07358c044247c01d14f08307026879e80efb8e Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Sat, 17 Feb 2018 00:35:23 +0100 Subject: [PATCH] ARM: rmobile: Reset ethernet PHY Toggle the PHY reset GPIO to bring the ethernet PHY out of reset properly. Signed-off-by: Marek Vasut Cc: Nobuhiro Iwamatsu --- 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 bd0080d..dfefd7f 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; } -- 2.7.4