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authorkaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-06-23 21:04:37 +0000
committerkaloz <kaloz@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-06-23 21:04:37 +0000
commit343c185b7d7383b1f5b5144e837045af28afc42b (patch)
tree6d3382662fa3ad4119d3a3cda223c53949ca4894 /target/linux/coldfire/patches/063-m5445x_rambar_config.patch
parent145f9652a593d19b149d2f25febd4aa0c1ab57d1 (diff)
use broken-out patches for the coldfire to make it easier to follow differences against the bsp
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16547 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/coldfire/patches/063-m5445x_rambar_config.patch')
-rw-r--r--target/linux/coldfire/patches/063-m5445x_rambar_config.patch44
1 files changed, 44 insertions, 0 deletions
diff --git a/target/linux/coldfire/patches/063-m5445x_rambar_config.patch b/target/linux/coldfire/patches/063-m5445x_rambar_config.patch
new file mode 100644
index 000000000..ba4e18e8c
--- /dev/null
+++ b/target/linux/coldfire/patches/063-m5445x_rambar_config.patch
@@ -0,0 +1,44 @@
+From 6651009d31bfcb8e364e25e944618465f510bd0b Mon Sep 17 00:00:00 2001
+From: Kurt Mahan <kmahan@freescale.com>
+Date: Tue, 24 Jun 2008 21:23:58 -0600
+Subject: [PATCH] Update SRAM/RAMBAR1 configuration for M5445x.
+
+LTIBName: m5445x-rambar-config
+Signed-off-by: Kurt Mahan <kmahan@freescale.com>
+---
+ arch/m68k/coldfire/head.S | 5 +++--
+ include/asm-m68k/coldfire.h | 9 +++++++--
+ 2 files changed, 10 insertions(+), 4 deletions(-)
+
+--- a/arch/m68k/coldfire/head.S
++++ b/arch/m68k/coldfire/head.S
+@@ -285,8 +285,9 @@ ENTRY(__start)
+ movel %a0,%usp
+
+ #if defined(CONFIG_M5445X)
+- movel #(MCF_RAMBAR1 + 0x221), %d0
+- movec %d0, %rambar1
++/* JKM -- don't enable it currently -- fix */
++/* movel #(MCF_RAMBAR1 + 0x221), %d0 */
++/* movec %d0, %rambar1 */
+ #elif defined(CONFIG_M547X_8X)
+ movel #MCF_MBAR, %d0
+ movec %d0, %mbar
+--- a/include/asm-m68k/coldfire.h
++++ b/include/asm-m68k/coldfire.h
+@@ -3,8 +3,13 @@
+
+ #if defined(CONFIG_M5445X)
+ #define MCF_MBAR 0x0
+-#define MCF_RAMBAR1 0x80000000
+-#define MCF_SRAM 0x80000000
++/*
++ * Even though RAMBAR1 should be in the 0x8xxxxxxx range there
++ * is a problem that needs to be resolved. Currently head.S
++ * disables SRAM/RAMBAR1.
++ */
++#define MCF_RAMBAR1 0x40000000
++#define MCF_SRAM 0x40000000
+ #elif defined(CONFIG_M547X_8X)
+ #define MCF_MBAR 0xF0000000
+ #define MCF_MMUBAR 0xF1000000