diff options
author | Arnaud Patard <arnaud.patard@rtp-net.org> | 2008-03-13 04:53:21 -0400 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-03-20 11:59:30 -0400 |
commit | 391c569daa6e4e999592966e29c146dfc4de9a9c (patch) | |
tree | 8d4c247ff59d1c5502b8ae831cce11f22c77f75f /arch/arm/mm/proc-xscale.S | |
parent | 7d7971db29c078a7946efbe479de5e567a20ba9a (diff) |
[ARM] 4864/1: Enable write buffer coalescing on IOP
Some bootloaders are disabling write buffer coalescing. Enable it back
under linux.
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/proc-xscale.S')
-rw-r--r-- | arch/arm/mm/proc-xscale.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index c156ddab9a2d..016690b9d564 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S | |||
@@ -114,6 +114,10 @@ clean_addr: .word CLEAN_ADDR | |||
114 | * Nothing too exciting at the moment | 114 | * Nothing too exciting at the moment |
115 | */ | 115 | */ |
116 | ENTRY(cpu_xscale_proc_init) | 116 | ENTRY(cpu_xscale_proc_init) |
117 | @ enable write buffer coalescing. Some bootloader disable it | ||
118 | mrc p15, 0, r1, c1, c0, 1 | ||
119 | bic r1, r1, #1 | ||
120 | mcr p15, 0, r1, c1, c0, 1 | ||
117 | mov pc, lr | 121 | mov pc, lr |
118 | 122 | ||
119 | /* | 123 | /* |