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From 4bb2dccd69eaf8e25dd200f9a6deb883631db5c1 Mon Sep 17 00:00:00 2001
From: Igor Opaniuk <igor.opaniuk@toradex.com>
Date: Mon, 24 Jun 2019 11:39:14 +0300
Subject: [PATCH v2] apalis_imx6: increase phy autoneg timeout
Default value (4000ms) of PHY_ANEG_TIMEOUT for Micrel KSZ9031 contoller
isn't sufficient to finish auto-negotiation, which sometimes leads to
timeout errors:
Apalis iMX6 # dhcp
FEC Waiting for PHY auto negotiation to complete......... TIMEOUT !
Increase the auto-negotiation time-out to 15000ms.
Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
---
v2:
- Based on empirical results from Philippe Schenker, increased timeout
value to 15s, just to be on the safe side
include/configs/apalis_imx6.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/configs/apalis_imx6.h b/include/configs/apalis_imx6.h
index 4b0a3fb26b..df31cf6fe7 100644
--- a/include/configs/apalis_imx6.h
+++ b/include/configs/apalis_imx6.h
@@ -58,6 +58,7 @@
#define IMX_FEC_BASE ENET_BASE_ADDR
#define CONFIG_FEC_XCV_TYPE RGMII
#define CONFIG_ETHPRIME "FEC"
+#define PHY_ANEG_TIMEOUT 15000 /* PHY needs longer aneg time */
#define CONFIG_FEC_MXC_PHYADDR 6
#define CONFIG_TFTP_TSIZE
--
2.17.1
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