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-rw-r--r--include/configs/km/kmp204x-common.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/include/configs/km/kmp204x-common.h b/include/configs/km/kmp204x-common.h
index f9bcef3..e4c5e7b 100644
--- a/include/configs/km/kmp204x-common.h
+++ b/include/configs/km/kmp204x-common.h
@@ -139,10 +139,12 @@ unsigned long get_board_sys_clk(unsigned long dummy);
#define CONFIG_KM_PNVRAM 0x80000
/* physical RAM MTD size [hex] */
#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
+/* reserved pram area at the end of memory [hex]
+ * u-boot reserves some memory for the MP boot page */
+#define CONFIG_KM_RESERVED_PRAM 0x1000
+/* 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 0x2000000
#define CONFIG_KM_KERNEL_ADDR 0x1000000 /* max kernel size 15.5Mbytes */