commit c5729f0b1fb8777c5dcfd2e510bc351045e9b1c4
author Zang Roy-R61911 <tie-fei.zang@freescale.com> Mon Mar 04 03:59:20 2013 +0000
committer Andy Fleming <afleming@freescale.com> Thu May 02 16:56:44 2013 -0500
tree 9f94fc7e3fd0938975c8fbe4c715291d51f40110
parent 7b700d212532b1b7b11e003d6949407d74fb69e3

fman/mEMAC: set SETSP bit in IF_MODE regisgter for RGMII speed

Some legacy RGMII phys don't have in band signaling for the
speed information. so set the RGMII MAC mode according to
the speed got from PHY.

Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Reported-by: John Traill <john.traill@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>

drivers/net/fm/memac.c

diff --git a/drivers/net/fm/memac.c b/drivers/net/fm/memac.c
index 32c7054..d3eee24 100644
--- a/drivers/net/fm/memac.c
+++ b/drivers/net/fm/memac.c
@@ -112,6 +112,23 @@
 	/* Enable automatic speed selection */
 	if_mode |= IF_MODE_EN_AUTO;
 
+	if (type == PHY_INTERFACE_MODE_RGMII) {
+		if_mode &= ~IF_MODE_EN_AUTO;
+		if_mode &= ~IF_MODE_SETSP_MASK;
+		switch (speed) {
+		case SPEED_1000:
+			if_mode |= IF_MODE_SETSP_1000M;
+			break;
+		case SPEED_100:
+			if_mode |= IF_MODE_SETSP_100M;
+			break;
+		case SPEED_10:
+			if_mode |= IF_MODE_SETSP_10M;
+		default:
+			break;
+		}
+	}
+
 	debug(" %s, if_mode = %x\n", __func__,  if_mode);
 	debug(" %s, if_status = %x\n", __func__,  if_status);
 	out_be32(&regs->if_mode, if_mode);