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authorSimon Glass <sjg@chromium.org>2012-10-17 13:24:53 +0000
committerTom Warren <twarren@nvidia.com>2012-11-19 08:15:38 -0700
commit0dde7f53797098cf7021f6a7ca6c15bfee405db1 (patch)
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parent1b24a50b44d9577c65759d252571f94e8f702777 (diff)
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arm: Add control over cachability of memory regions
Add support for adjusting the L1 cache behavior by updating the MMU configuration. The mmu_set_region_dcache_behaviour() function allows drivers to make these changes after the MMU is set up. It is implemented only for ARMv7 at present. This is needed for LCD support, where we want to make the LCD frame buffer write-through (or off) rather than write-back. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
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