Root/target/linux/leon/patches/026-greth_gbit_mac_set_ee_when_edcl.patch

1From 50fcb51c42bc721f18f1bfa10f705519cd344a2a Mon Sep 17 00:00:00 2001
2From: Daniel Hellstrom <daniel@gaisler.com>
3Date: Wed, 1 Dec 2010 16:20:01 +0100
4Subject: [PATCH] GRETH: Newer GBit MACs need setting EE bit when EDCL should be enabled
5
6---
7 drivers/net/greth.c | 2 +-
8 drivers/net/greth.h | 1 +
9 2 files changed, 2 insertions(+), 1 deletions(-)
10
11--- a/drivers/net/greth.c
12+++ b/drivers/net/greth.c
13@@ -1511,7 +1511,7 @@ static int __devinit greth_of_probe(stru
14     /* If we have EDCL we disable the EDCL speed-duplex FSM so
15      * it doesn't interfere with the software */
16     if (greth->edcl != 0)
17- GRETH_REGORIN(regs->control, GRETH_CTRL_DISDUPLEX);
18+ GRETH_REGORIN(regs->control, GRETH_CTRL_DISDUPLEX|GRETH_CTRL_EE);
19 
20     /* Check if MAC can handle MDIO interrupts */
21     greth->mdio_int_en = (tmp >> 26) & 1;
22--- a/drivers/net/greth.h
23+++ b/drivers/net/greth.h
24@@ -15,6 +15,7 @@
25 #define GRETH_CTRL_PSTATIEN 0x400
26 #define GRETH_CTRL_MCEN 0x800
27 #define GRETH_CTRL_DISDUPLEX 0x1000
28+#define GRETH_CTRL_EE 0x4000
29 #define GRETH_STATUS_PHYSTAT 0x100
30 
31 #define GRETH_BD_EN 0x800
32

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