From 43a49765f1783348f2d5186d13c5dfa9cb8ee962 Mon Sep 17 00:00:00 2001
From: Daniel Palmer <daniel@0x0f.com>
Date: Wed, 16 Jun 2021 21:43:46 +0900
Subject: Add phy reset code

---
 board/olimex/am335x_som/board.c | 15 +++++++++++++++
 board/olimex/am335x_som/mux.c   |  6 ++++++
 2 files changed, 21 insertions(+)

diff --git a/board/olimex/am335x_som/board.c b/board/olimex/am335x_som/board.c
index 5413cca6b4..c828d6c7c5 100644
--- a/board/olimex/am335x_som/board.c
+++ b/board/olimex/am335x_som/board.c
@@ -151,8 +151,23 @@ int board_init(void)
 }
 
 #ifdef CONFIG_BOARD_LATE_INIT
+
+#define GPIO_PHY_RST	29
+
+static void board_phy_init(void)
+{
+	puts("phy reset\n");
+	gpio_request(GPIO_PHY_RST, "phy_rst");
+	gpio_direction_output(GPIO_PHY_RST, 0);
+	mdelay(2);
+	gpio_set_value(GPIO_PHY_RST, 1);
+	mdelay(2);
+}
+
 int board_late_init(void)
 {
+	board_phy_init();
+
 	return 0;
 }
 #endif
diff --git a/board/olimex/am335x_som/mux.c b/board/olimex/am335x_som/mux.c
index c2beb3ad19..ff14121a2e 100644
--- a/board/olimex/am335x_som/mux.c
+++ b/board/olimex/am335x_som/mux.c
@@ -59,6 +59,11 @@ static struct module_pin_mux nand_pin_mux[] = {
 };
 #endif
 
+static struct module_pin_mux gpio0_29_pin_mux[] = {
+	{OFFSET(rmii1_refclk), (MODE(7) |  PULLUP_EN | PULLUDEN)},      /* GPIO0_29 */
+	{-1},
+};
+
 void enable_uart0_pin_mux(void)
 {
 	configure_module_pin_mux(uart0_pin_mux);
@@ -70,4 +75,5 @@ void enable_board_pin_mux()
 #if defined(CONFIG_NAND)
 	configure_module_pin_mux(nand_pin_mux);
 #endif
+	configure_module_pin_mux(gpio0_29_pin_mux);
 }
-- 
cgit