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>

diff --git a/include/configs/stm32mp15_dh_dhsom.h b/include/configs/stm32mp15_dh_dhsom.h
index b68e153..c79f027 100644 (file)
--- 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 */     \