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authorOlof Johansson <olof@lixom.net>2012-09-22 06:00:41 (GMT)
committerOlof Johansson <olof@lixom.net>2012-09-22 06:00:41 (GMT)
commit8437de04d1475ee4af43a217ac2ca74eb9f58ad1 (patch)
treeb8481a64ea0bcb0a6b2f8d27f0c26e39726f0a03 /arch/arm/boot
parent3aec092eed5d8d2b19a62b0aeed3acea9471099a (diff)
parent13acc291191281e2980e56dbe3a3d80ce677c9a8 (diff)
downloadlinux-8437de04d1475ee4af43a217ac2ca74eb9f58ad1.tar.xz
Merge branch 'next/devel-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc
Misc SoC-related fixes/cleanups for Samsung platforms * 'next/devel-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: SAMSUNG: Add check for NULL in clock interface ARM: EXYNOS: Put PCM, Slimbus, Spdif clocks to off state ARM: EXYNOS: Add bus clock for FIMD ARM: SAMSUNG: Fix HDMI related warnings ARM: S3C24XX: Add .get_rate callback for "camif-upll" clock ARM: EXYNOS: Fix incorrect help text ARM: EXYNOS: Turn off clocks for NAND, OneNAND and TSI controllers + sync to 3.6-rc6
Diffstat (limited to 'arch/arm/boot')
-rw-r--r--arch/arm/boot/compressed/head.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index b8c64b8..81769c1 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -659,10 +659,14 @@ __armv7_mmu_cache_on:
#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