[PATCH] ARM pbl: Make usage of MMU in pbl optional

[Sascha Hauer <s.hauer@pengutronix.de>]

Since this currently does not work on all boards make usage
of the MMU in the pbl optional until this has been resolved.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/cpu/start-pbl.c |    2 +-
 common/Kconfig           |    5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/arm/cpu/start-pbl.c b/arch/arm/cpu/start-pbl.c
index 932a3da..ceb60ab 100644
--- a/arch/arm/cpu/start-pbl.c
+++ b/arch/arm/cpu/start-pbl.c
@@ -116,7 +116,7 @@ static void mmu_disable(void)
 static void barebox_uncompress(void *compressed_start, unsigned int len)
 {
 	void (*barebox)(void);
-	int use_mmu = IS_ENABLED(CONFIG_MMU);
+	int use_mmu = IS_ENABLED(CONFIG_PBL_USE_MMU);
 
 	/* set 128 KiB at the end of the MALLOC_BASE for early malloc */
 	free_mem_ptr = MALLOC_BASE + MALLOC_SIZE - SZ_128K;
diff --git a/common/Kconfig b/common/Kconfig
index b97392c..7e4cf1f 100644
--- a/common/Kconfig
+++ b/common/Kconfig
@@ -139,6 +139,11 @@ config IMAGE_COMPRESSION_GZIP
 
 endchoice
 
+config PBL_USE_MMU
+	bool "Use MMU in PBL image"
+	help
+	  say yes here to enable the MMU in the PBL image. This speeds up
+	  booting, but has problems on some boards.
 endif
 
 endif
-- 
1.7.10.4


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