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-rw-r--r--arch/powerpc/kernel/head_booke.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h
index 9501c580ce87..505494f1ee7c 100644
--- a/arch/powerpc/kernel/head_booke.h
+++ b/arch/powerpc/kernel/head_booke.h
@@ -68,9 +68,13 @@
#define MCHECK_STACK_BASE mcheckirq_ctx
#define CRIT_STACK_BASE critirq_ctx
-/* only on e200 for now */
+/* only on e500mc/e200 */
#define DEBUG_STACK_BASE dbgirq_ctx
+#ifdef CONFIG_PPC_E500MC
+#define DEBUG_SPRG SPRN_SPRG9
+#else
#define DEBUG_SPRG SPRN_SPRG6W
+#endif
#define EXC_LVL_FRAME_OVERHEAD (THREAD_SIZE - INT_FRAME_SIZE - EXC_LVL_SIZE)