diff options
| author | Saeed Bishara <saeed@marvell.com> | 2008-07-02 21:06:32 +0400 |
|---|---|---|
| committer | Nicolas Pitre <nico@cam.org> | 2008-07-08 02:38:24 +0400 |
| commit | 188237e28d7fece0471640ba86f6d8cd164ed085 (patch) | |
| tree | d96756da27fbe75e602808c2261cad3b70db964e /arch | |
| parent | 2e1117d307dba8185a72bac94e57f057e70590ca (diff) | |
| download | linux-188237e28d7fece0471640ba86f6d8cd164ed085.tar.xz | |
[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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mm/proc-feroceon.S | 9 |
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 |