From 6651009d31bfcb8e364e25e944618465f510bd0b Mon Sep 17 00:00:00 2001 From: Kurt Mahan 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 --- 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