[RFC PATCH v3 2/3] powerpc: udbg: add fixmap entry for early debug

[Albert Herranz]

Add a new entry to the fixmap table to allow low level early udbg drivers
to safely reserve virtual address space and create their I/O mappings.

Signed-off-by: Albert Herranz <albert_herranz at yahoo.es>
---
 arch/powerpc/include/asm/fixmap.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/include/asm/fixmap.h b/arch/powerpc/include/asm/fixmap.h
index f1f4e23..424e5a6 100644
--- a/arch/powerpc/include/asm/fixmap.h
+++ b/arch/powerpc/include/asm/fixmap.h
@@ -48,6 +48,9 @@ enum fixed_addresses {
 	FIX_KMAP_BEGIN,	/* reserved pte's for temporary kernel mappings */
 	FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,
 #endif
+#ifdef CONFIG_PPC_EARLY_DEBUG
+	FIX_EARLY_DEBUG_BASE,
+#endif
 	/* FIX_PCIE_MCFG, */
 	__end_of_fixed_addresses
 };
-- 
1.6.3.3