From e1d7b0b9c55a105ec8b9d8bcb24d68fc7b74789a Mon Sep 17 00:00:00 2001
From: Marek Vasut <marex@denx.de>
Date: Sat, 13 Nov 2021 03:26:05 +0100
Subject: [PATCH] ARM: stm32: Increase PHY auto-negotiation timeout to 20s on
 DHSOM

The Micrel PHYs on known DHSOM based boards take a while to come out
of reset, increase the auto-negotiation timeout to prevent it from
timing out in case the ethernet is used right after the board was
reset.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
---
 include/configs/stm32mp15_dh_dhsom.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/configs/stm32mp15_dh_dhsom.h b/include/configs/stm32mp15_dh_dhsom.h
index b68e153f10..c79f0272cb 100644
--- a/include/configs/stm32mp15_dh_dhsom.h
+++ b/include/configs/stm32mp15_dh_dhsom.h
@@ -8,6 +8,9 @@
 #ifndef __CONFIG_STM32MP15_DH_DHSOM_H__
 #define __CONFIG_STM32MP15_DH_DHSOM_H__
 
+/* PHY needs a longer autoneg timeout */
+#define PHY_ANEG_TIMEOUT		20000
+
 #define STM32MP_BOARD_EXTRA_ENV \
 	"usb_pgood_delay=1000\0" \
 	"update_sf=" /* Erase SPI NOR and install U-Boot from SD */	\