[PATCH 36/78] ARM: aarch64: mmu: by default map as device memory

Sascha Hauer s.hauer at pengutronix.de
Fri Mar 16 05:53:12 PDT 2018


By default map the whole address space as unshared device memory
as this is what barebox drivers normally expect.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 arch/arm/cpu/mmu_64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/cpu/mmu_64.c b/arch/arm/cpu/mmu_64.c
index 357e244042..27b5acd6a7 100644
--- a/arch/arm/cpu/mmu_64.c
+++ b/arch/arm/cpu/mmu_64.c
@@ -35,7 +35,7 @@
 #include "mmu.h"
 
 #define CACHED_MEM      (PMD_ATTRINDX(MT_NORMAL) | PMD_SECT_S | PMD_SECT_AF | PMD_TYPE_SECT)
-#define UNCACHED_MEM    (PMD_ATTRINDX(MT_NORMAL_NC) | PMD_SECT_S | PMD_SECT_AF | PMD_TYPE_SECT)
+#define UNCACHED_MEM    (PMD_ATTRINDX(MT_DEVICE_nGnRnE) | PMD_SECT_AF)
 
 static uint64_t *ttb;
 
-- 
2.16.1




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