[ARM] Feroceon: don't disable BPU on boot

On Feroceon platforms that have a branch prediction unit, bit 11 of the
cp15 control register controls the BPU.  This patch keeps the old value
of this bit instead of always clearing it.

Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/arch/arm/mm/proc-feroceon.S b/arch/arm/mm/proc-feroceon.S
index 63ca1ea5c267..f2e5884c513a 100644
--- a/arch/arm/mm/proc-feroceon.S
+++ b/arch/arm/mm/proc-feroceon.S
@@ -493,14 +493,15 @@ __feroceon_setup:
         .size   __feroceon_setup, . - __feroceon_setup
 
         /*
-         *  R
-         * .RVI ZFRS BLDP WCAM
-         * .011 0001 ..11 0101
+         *      B
+         *  R   P
+         * .RVI UFRS BLDP WCAM
+         * .011 .001 ..11 0101
          *
          */
         .type   feroceon_crval, #object
 feroceon_crval:
-        crval   clear=0x00007f3f, mmuset=0x00003135, ucset=0x00001134
+        crval   clear=0x0000773f, mmuset=0x00003135, ucset=0x00001134
 
         __INITDATA