[U-Boot-Users] [PATCH] ppc4xx: Fix problem with init-ram bigger than 4k on 440 platforms

[Stefan Roese]

Signed-off-by: Stefan Roese <sr at denx.de>
---
 cpu/ppc4xx/start.S         |    4 ++++
 include/configs/pcs440ep.h |    2 +-
 include/configs/yosemite.h |    2 +-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index 77c2aa4..0638024 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -110,6 +110,10 @@
 # endif
 #endif /* CFG_INIT_DCACHE_CS */
 
+#if (defined(CFG_INIT_RAM_DCACHE) && (CFG_INIT_RAM_END > (4 << 10)))
+#error Only 4k of init-ram is supported - please adjust CFG_INIT_RAM_END!
+#endif
+
 #define function_prolog(func_name)	.text; \
 					.align 2; \
 					.globl func_name; \
diff --git a/include/configs/pcs440ep.h b/include/configs/pcs440ep.h
index d66f4bd..07fc23e 100644
--- a/include/configs/pcs440ep.h
+++ b/include/configs/pcs440ep.h
@@ -66,7 +66,7 @@
  *----------------------------------------------------------------------*/
 #define CFG_INIT_RAM_DCACHE	1		/* d-cache as init ram	*/
 #define CFG_INIT_RAM_ADDR	0x70000000		/* DCache       */
-#define CFG_INIT_RAM_END	(8 << 10)
+#define CFG_INIT_RAM_END	(4 << 10)
 #define CFG_GBL_DATA_SIZE	256			/* num bytes initial data*/
 #define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
 #define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
diff --git a/include/configs/yosemite.h b/include/configs/yosemite.h
index a8eeff9..4c86bc5 100644
--- a/include/configs/yosemite.h
+++ b/include/configs/yosemite.h
@@ -75,7 +75,7 @@
  *----------------------------------------------------------------------*/
 #define CFG_INIT_RAM_DCACHE	1		/* d-cache as init ram	*/
 #define CFG_INIT_RAM_ADDR	0x70000000		/* DCache       */
-#define CFG_INIT_RAM_END	(8 << 10)
+#define CFG_INIT_RAM_END	(4 << 10)
 #define CFG_GBL_DATA_SIZE	256			/* num bytes initial data*/
 #define CFG_GBL_DATA_OFFSET	(CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
 #define CFG_INIT_SP_OFFSET	CFG_GBL_DATA_OFFSET
-- 
1.5.4.rc5