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-rw-r--r--arch/powerpc/include/asm/fixmap.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/fixmap.h b/arch/powerpc/include/asm/fixmap.h
index f1f4e23a84e..5c2c0233175 100644
--- a/arch/powerpc/include/asm/fixmap.h
+++ b/arch/powerpc/include/asm/fixmap.h
@@ -44,6 +44,9 @@
*/
enum fixed_addresses {
FIX_HOLE,
+ /* reserve the top 128K for early debugging purposes */
+ FIX_EARLY_DEBUG_TOP = FIX_HOLE,
+ FIX_EARLY_DEBUG_BASE = FIX_EARLY_DEBUG_TOP+((128*1024)/PAGE_SIZE)-1,
#ifdef CONFIG_HIGHMEM
FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */
FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,