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-rw-r--r--arch/powerpc/cpu/mpc85xx/cpu_init.c2
-rw-r--r--arch/powerpc/cpu/mpc85xx/start.S7
2 files changed, 6 insertions, 3 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init.c b/arch/powerpc/cpu/mpc85xx/cpu_init.c
index 2cd5db7..e7b2d37 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu_init.c
@@ -537,7 +537,7 @@ void arch_preboot_os(void)
* disabled by the time we get called.
*/
msr = mfmsr();
- msr &= ~(MSR_ME|MSR_CE|MSR_DE);
+ msr &= ~(MSR_ME|MSR_CE);
mtmsr(msr);
setup_ivors();
diff --git a/arch/powerpc/cpu/mpc85xx/start.S b/arch/powerpc/cpu/mpc85xx/start.S
index 8e99ef6..653e222 100644
--- a/arch/powerpc/cpu/mpc85xx/start.S
+++ b/arch/powerpc/cpu/mpc85xx/start.S
@@ -82,6 +82,9 @@
.globl _start_e500
_start_e500:
+/* Enable debug exception */
+ li r1,MSR_DE
+ mtmsr r1
#if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_E500MC)
/* ISBC uses L2 as stack.
@@ -733,8 +736,8 @@ create_init_ram_area:
msync
tlbwe
- lis r6,MSR_IS|MSR_DS@h
- ori r6,r6,MSR_IS|MSR_DS@l
+ lis r6,MSR_IS|MSR_DS|MSR_DE@h
+ ori r6,r6,MSR_IS|MSR_DS|MSR_DE@l
lis r7,switch_as@h
ori r7,r7,switch_as@l