[POWERPC] 8xx: Fix CONFIG_PIN_TLB.

1. Move CONSISTENT_START on 8xx so that it doesn't overlap the IMMR mapping.
2. The wrong register was being loaded into SPRN_MD_RPN.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

2 files changed, 3 insertions, 2 deletions

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index b387e1ed5177..37ff383393bd 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -600,6 +600,7 @@ config CONSISTENT_START_BOOL
 
 config CONSISTENT_START
         hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
+        default "0xfd000000" if (NOT_COHERENT_CACHE && 8xx)
         default "0xff100000" if NOT_COHERENT_CACHE
 
 config CONSISTENT_SIZE_BOOL
diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S
index 96cea8e753c4..9c30938aad52 100644
--- a/arch/powerpc/kernel/head_8xx.S
+++ b/arch/powerpc/kernel/head_8xx.S
@@ -727,13 +727,13 @@ 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
 
         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