From df7edc24b914fba29d912c68d07986c8715c4894 Mon Sep 17 00:00:00 2001
From: juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sat, 18 Jul 2009 15:13:40 +0000
Subject: [ppc40x] initial support for 2.6.30

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16901 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 .../002-disable_emac_loopback_mode.patch           | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 target/linux/ppc40x/patches-2.6.30/002-disable_emac_loopback_mode.patch

(limited to 'target/linux/ppc40x/patches-2.6.30/002-disable_emac_loopback_mode.patch')

diff --git a/target/linux/ppc40x/patches-2.6.30/002-disable_emac_loopback_mode.patch b/target/linux/ppc40x/patches-2.6.30/002-disable_emac_loopback_mode.patch
new file mode 100644
index 000000000..a82a7a132
--- /dev/null
+++ b/target/linux/ppc40x/patches-2.6.30/002-disable_emac_loopback_mode.patch
@@ -0,0 +1,25 @@
+--- a/arch/powerpc/platforms/40x/kilauea.c
++++ b/arch/powerpc/platforms/40x/kilauea.c
+@@ -21,6 +21,8 @@
+ #include <asm/uic.h>
+ #include <asm/pci-bridge.h>
+ #include <asm/ppc4xx.h>
++#include <asm/dcr.h>
++#include <asm/dcr-regs.h>
+ 
+ static __initdata struct of_device_id kilauea_of_bus[] = {
+ 	{ .compatible = "ibm,plb4", },
+@@ -46,6 +48,13 @@ static int __init kilauea_probe(void)
+ 
+ 	ppc_pci_set_flags(PPC_PCI_REASSIGN_ALL_RSRC);
+ 
++	/*
++	 * 405EX(r) has SDR0_MFR[E0CS/E1CS] set after reset. This selects
++	 * the internal loopback mode. Clear these bits so that both EMACs
++	 * don't use loopback mode as deafult.
++	 */
++	mtdcri(SDR0, SDR0_MFR, mfdcri(SDR0, SDR0_MFR) & ~0x0c000000);
++
+ 	return 1;
+ }
+ 
-- 
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