From a56bd92289298bde16306bcc754277db45315d2f Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Sun, 6 Jun 2004 23:13:55 +0000
Subject: * Patch by Dave Peverley, 30 Apr 2004:   Add support for OMAP730
 Perseus2 Development board

* Patch by Alan J. Luse, 29 Apr 2004:
  Fix flash chip-select (OR0) option register setting on FADS boards.

* Patch by Alan J. Luse, 29 Apr 2004:
  Report MII network speed and duplex setting properly when
  auto-negotiate is not enabled.

* Patch by Jarrett Redd, 29 Apr 2004:
  Fix hang on reset on Ocotea board due to flash in wrong mode.
---
 common/miiphyutil.c | 42 +++++++++++++++++++++++++++++++++++++-----
 1 file changed, 37 insertions(+), 5 deletions(-)

(limited to 'common/miiphyutil.c')

diff --git a/common/miiphyutil.c b/common/miiphyutil.c
index 721d109a13..2b0dcf4f2c 100644
--- a/common/miiphyutil.c
+++ b/common/miiphyutil.c
@@ -147,15 +147,31 @@ int miiphy_speed (unsigned char addr)
 	}
 #endif /* CONFIG_PHY_GIGE */
 
-	if (miiphy_read (addr, PHY_ANLPAR, &reg)) {
-		puts ("PHY speed1 read failed, assuming 10bT\n");
+	/* Check Basic Management Control Register first. */
+	if (miiphy_read (addr, PHY_BMCR, &reg)) {
+		puts ("PHY speed read failed, assuming 10bT\n");
 		return (_10BASET);
 	}
-	if ((reg & PHY_ANLPAR_100) != 0) {
+	/* Check if auto-negotiation is on. */
+	if ((reg & PHY_BMCR_AUTON) != 0) {
+		/* Get auto-negotiation results. */
+		if (miiphy_read (addr, PHY_ANLPAR, &reg)) {
+			puts ("PHY AN speed read failed, assuming 10bT\n");
+			return (_10BASET);
+		}
+		if ((reg & PHY_ANLPAR_100) != 0) {
+			return (_100BASET);
+		} else {
+			return (_10BASET);
+		}
+	}
+	/* Get speed from basic control settings. */
+	else if (reg & PHY_BMCR_100MB) {
 		return (_100BASET);
 	} else {
 		return (_10BASET);
 	}
+
 }
 
 
@@ -182,16 +198,32 @@ int miiphy_duplex (unsigned char addr)
 	}
 #endif /* CONFIG_PHY_GIGE */
 
-	if (miiphy_read (addr, PHY_ANLPAR, &reg)) {
+	/* Check Basic Management Control Register first. */
+	if (miiphy_read (addr, PHY_BMCR, &reg)) {
 		puts ("PHY duplex read failed, assuming half duplex\n");
 		return (HALF);
 	}
+	/* Check if auto-negotiation is on. */
+	if ((reg & PHY_BMCR_AUTON) != 0) {
+		/* Get auto-negotiation results. */
+		if (miiphy_read (addr, PHY_ANLPAR, &reg)) {
+			puts ("PHY AN duplex read failed, assuming half duplex\n");
+			return (HALF);
+		}
 
-	if ((reg & (PHY_ANLPAR_10FD | PHY_ANLPAR_TXFD)) != 0) {
+		if ((reg & (PHY_ANLPAR_10FD | PHY_ANLPAR_TXFD)) != 0) {
+			return (FULL);
+		} else {
+			return (HALF);
+		}
+	}
+	/* Get speed from basic control settings. */
+	else if (reg & PHY_BMCR_DPLX) {
 		return (FULL);
 	} else {
 		return (HALF);
 	}
+
 }
 
 #ifdef CFG_FAULT_ECHO_LINK_DOWN
-- 
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