diff options
| author |   Nicolas Pitre <nico@cam.org> | 2007-10-31 15:31:48 -0400 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2008-01-26 15:03:40 +0000 |
| commit | 3ebb5a2b44b02bddd5fbf0f29d71f1df6146c2c3 (patch) | |
| tree | 04d6e0c54c2bbd502f15044801c29157671d7568 | |
| parent | [ARM] add ARMv5TEJ aware cache flush method to compressed/head.S (diff) | |
| download | linux-dev-3ebb5a2b44b02bddd5fbf0f29d71f1df6146c2c3.tar.xz linux-dev-3ebb5a2b44b02bddd5fbf0f29d71f1df6146c2c3.zip | |
[ARM] add Feroceon support to compressed/head.S
The cache replacement policy on the Feroceon core doesn't guarantee
that reading through a linear chunk of memory flushes the entire cache.
This is however what the default method for ARMv5TE cores does.
Although the Feroceon is an ARMv5TE core, it implements the same
cache handling instructions as the ARMv5TEJ cores, and must use it for
proper cache flush.
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/boot/compressed/head.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 2073bf080523..3c2c8f2a1dc4 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -623,6 +623,12 @@ proc_types: b __armv4_mmu_cache_off b __armv4_mmu_cache_flush + .word 0x56055310 @ Feroceon + .word 0xfffffff0 + b __armv4_mmu_cache_on + b __armv4_mmu_cache_off + b __armv5tej_mmu_cache_flush + @ These match on the architecture ID .word 0x00020000 @ ARMv4T |