diff options
| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2012-12-28 12:32:54 +0100 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2013-01-25 04:43:45 +0100 |
| commit | 9916152438a99b15c009e26f0f9cb38efba086d3 (patch) | |
| tree | 3339355704904123756b38d1e52572b4e7a65f0b /arch/arm/mach-shmobile | |
| parent | ARM: sh7372: add clock lookup entries for DT-based devices (diff) | |
| download | linux-9916152438a99b15c009e26f0f9cb38efba086d3.tar.xz linux-9916152438a99b15c009e26f0f9cb38efba086d3.zip | |
ARM: sh7372: fix cache clean / invalidate order
According to the Cortex A8 TRM the L2 cache should be first cleaned and
then disabled. Fix the swapped order on sh7372.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/mach-shmobile')
| -rw-r--r-- | arch/arm/mach-shmobile/sleep-sh7372.S | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/arm/mach-shmobile/sleep-sh7372.S b/arch/arm/mach-shmobile/sleep-sh7372.S index 1d564674451d..a9df53b69ab8 100644 --- a/arch/arm/mach-shmobile/sleep-sh7372.S +++ b/arch/arm/mach-shmobile/sleep-sh7372.S @@ -59,17 +59,19 @@ sh7372_do_idle_sysc: mcr p15, 0, r0, c1, c0, 0 isb + /* + * Clean and invalidate data cache again. + */ + ldr r1, kernel_flush + blx r1 + /* disable L2 cache in the aux control register */ mrc p15, 0, r10, c1, c0, 1 bic r10, r10, #2 mcr p15, 0, r10, c1, c0, 1 + isb /* - * Invalidate data cache again. - */ - ldr r1, kernel_flush - blx r1 - /* * The kernel doesn't interwork: v7_flush_dcache_all in particluar will * always return in Thumb state when CONFIG_THUMB2_KERNEL is enabled. * This sequence switches back to ARM. Note that .align may insert a |