diff --git a/include/configs/km/km-powerpc.h b/include/configs/km/km-powerpc.h
index d6db8d7..7aaa8d2 100644
--- a/include/configs/km/km-powerpc.h
+++ b/include/configs/km/km-powerpc.h
@@ -66,19 +66,19 @@
 #define CONFIG_KM_KERNEL_ADDR	0x400000	/* 3968Kbytes */
 #define CONFIG_KM_FDT_ADDR	0x7E0000	/* 128Kbytes */
 
+/* architecture specific default bootargs */
+#define CONFIG_KM_DEF_BOOT_ARGS_CPU		""
+
 #define CONFIG_KM_DEF_ENV_CPU						\
-	"addbootcount=true\0"						\
-	"addmtdparts=true\0"						\
-	"boot=bootm ${actual_kernel_addr} - ${actual_fdt_addr}\0"	\
+	"boot=bootm ${load_addr_r} - ${fdt_addr_r}\0"			\
 	"cramfsloadfdt="						\
 		"cramfsload ${fdt_addr_r} "				\
-		"fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb && "		\
-		"setenv actual_fdt_addr ${fdt_addr_r}\0"		\
+		"fdt_0x${IVM_BoardId}_0x${IVM_HWKey}.dtb\0"		\
 	"fdt_addr_r=" xstr(CONFIG_KM_FDT_ADDR) "\0"			\
 	"update="							\
 		"protect off " xstr(BOOTFLASH_START) " +${filesize} && "\
 		"erase " xstr(BOOTFLASH_START) "  +${filesize} && "	\
-		"cp.b ${u-boot_addr_r} " xstr(BOOTFLASH_START)		\
+		"cp.b ${load_addr_r} " xstr(BOOTFLASH_START)		\
 		"  ${filesize} && "					\
 		"protect on " xstr(BOOTFLASH_START) "  +${filesize}\0"  \
 	""