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authorDave Airlie <airlied@redhat.com>2012-10-02 09:19:32 +1000
committerDave Airlie <airlied@redhat.com>2012-10-02 09:19:32 +1000
commit8c98449ad316ba95a8f0a3ee3eaeb03dcd7f9ccc (patch)
tree575c51d772059012eeffc301597589ed7c391321 /arch/arm/boot/compressed/head.S
parent7facf16690dc4160e5ff605271704183ff56b2d9 (diff)
parentf531dcb23f9a5c6ad77e451459df965dc9a0c0c8 (diff)
Merge branch 'for-airlied' of git://people.freedesktop.org/~danvet/drm-intel into drm-next
Last pile of stuff for 3.7, essentially just a bunch of bigger fixes and a few less intrusive features: - cpu freq interface in sysfs from Ben - cpu edp fixes and some related cleanups - write-combining ptes for pre-gen6 (Chris) - basic CADL support (Peter Wu), this fixes quite a few issues with backlights ... - rework of the gem backing pages handling (preps for stolen mem handling) from Chris - some more cleanup-fallout from the modeset-rework On top of that I've done a backmerge of -rc7(since the conflicts got too messy and I've pushed out broken merged trees too often). I've also included 3 fixes on top of what QA beat on: - Fix for a infoframe handling regression in 3.5 - infoframe blows up too often and 3.6 is pretty much done, so I'd like to merge that through -next and the stable process and give it more exposure before it lands in a stable tree. - ioctl cosmetics^Wspelling fix in the structs (userspace won't be affected, since all existing userspace uses private copies of the ioctl struct definitions, and the struct layout itself is abi compatible). - Bugfix for a regression introduced in this pull's testing cycle. * 'for-airlied' of git://people.freedesktop.org/~danvet/drm-intel: (695 commits) drm/i915: Wrap external callers to IPS state with appropriate locks drm/i915: s/cacheing/caching/ drm/i915: make sure we write all the DIP data bytes drm/i915: BUG() on unexpected HDMI register ...
Diffstat (limited to 'arch/arm/boot/compressed/head.S')
-rw-r--r--arch/arm/boot/compressed/head.S5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index b8c64b80baf..bc67cbff394 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -653,16 +653,21 @@ __armv7_mmu_cache_on:
mcrne p15, 0, r0, c8, c7, 0 @ flush I,D TLBs
#endif
mrc p15, 0, r0, c1, c0, 0 @ read control reg
+ bic r0, r0, #1 << 28 @ clear SCTLR.TRE
orr r0, r0, #0x5000 @ I-cache enable, RR cache replacement
orr r0, r0, #0x003c @ write buffer
#ifdef CONFIG_MMU
#ifdef CONFIG_CPU_ENDIAN_BE8
orr r0, r0, #1 << 25 @ big-endian page tables
#endif
+ mrcne p15, 0, r6, c2, c0, 2 @ read ttb control reg
orrne r0, r0, #1 @ MMU enabled
movne r1, #0xfffffffd @ domain 0 = client
+ bic r6, r6, #1 << 31 @ 32-bit translation system
+ bic r6, r6, #3 << 0 @ use only ttbr0
mcrne p15, 0, r3, c2, c0, 0 @ load page table pointer
mcrne p15, 0, r1, c3, c0, 0 @ load domain access control
+ mcrne p15, 0, r6, c2, c0, 2 @ load ttb control
#endif
mcr p15, 0, r0, c7, c5, 4 @ ISB
mcr p15, 0, r0, c1, c0, 0 @ load control register