diff --git a/arch/ppc/kernel/head_8xx.S b/arch/ppc/kernel/head_8xx.S
index 3e6ca7f5843ff43575b2f5e5fe834b60bf3f03dd..c1e89ad0684da8894aff0a326929e0676c4dd888 100644
--- a/arch/ppc/kernel/head_8xx.S
+++ b/arch/ppc/kernel/head_8xx.S
@@ -810,13 +810,16 @@ initial_mmu:
 	mtspr	SPRN_MD_TWC, r9
 	li	r11, MI_BOOTINIT	/* Create RPN for address 0 */
 	addis	r11, r11, 0x0080	/* Add 8M */
-	mtspr	SPRN_MD_RPN, r8
+	mtspr	SPRN_MD_RPN, r11
+
+	addi	r10, r10, 0x0100
+	mtspr	SPRN_MD_CTR, r10
 
 	addis	r8, r8, 0x0080		/* Add 8M */
 	mtspr	SPRN_MD_EPN, r8
 	mtspr	SPRN_MD_TWC, r9
 	addis	r11, r11, 0x0080	/* Add 8M */
-	mtspr	SPRN_MD_RPN, r8
+	mtspr	SPRN_MD_RPN, r11
 #endif
 
 	/* Since the cache is enabled according to the information we