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-rw-r--r--include/configs/km/km-powerpc.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/configs/km/km-powerpc.h b/include/configs/km/km-powerpc.h
index 763c5bad82..eb85a74919 100644
--- a/include/configs/km/km-powerpc.h
+++ b/include/configs/km/km-powerpc.h
@@ -59,8 +59,9 @@
#define CONFIG_KM_PHRAM 0x100000
/* resereved pram area at the end of memroy [hex] */
#define CONFIG_KM_RESERVED_PRAM 0x0
-/* enable protected RAM */
-#define CONFIG_PRAM 0
+/* set the default PRAM value to at least PNVRAM + PHRAM when pram env variable
+ * is not valid yet, which is the case for when u-boot copies itself to RAM */
+#define CONFIG_PRAM ((CONFIG_KM_PNVRAM + CONFIG_KM_PHRAM)>>10)
#define CONFIG_KM_CRAMFS_ADDR 0x800000
#define CONFIG_KM_KERNEL_ADDR 0x400000 /* 3968Kbytes */
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