summaryrefslogtreecommitdiffstats
path: root/arch/arm/mm/proc-v7.S
diff options
context:
space:
mode:
authorCatalin Marinas <catalin.marinas@arm.com>2011-05-26 12:22:44 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-05-26 13:14:32 +0200
commitd427958a46af24f75d0017c45eadd172273bbf33 (patch)
treee4279d383e7eaccdfe22420abe0a68a35bcc4c85 /arch/arm/mm/proc-v7.S
parentARM: 6941/1: cache: ensure MVA is cacheline aligned in flush_kern_dcache_area (diff)
downloadlinux-d427958a46af24f75d0017c45eadd172273bbf33.tar.xz
linux-d427958a46af24f75d0017c45eadd172273bbf33.zip
ARM: 6942/1: mm: make TTBR1 always point to swapper_pg_dir on ARMv6/7
This patch makes TTBR1 point to swapper_pg_dir so that global, kernel mappings can be used exclusively on v6 and v7 cores where they are needed. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/proc-v7.S')
-rw-r--r--arch/arm/mm/proc-v7.S4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index babfba09c89f..3c3867850a30 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -368,7 +368,9 @@ __v7_setup:
mcr p15, 0, r10, c2, c0, 2 @ TTB control register
ALT_SMP(orr r4, r4, #TTB_FLAGS_SMP)
ALT_UP(orr r4, r4, #TTB_FLAGS_UP)
- mcr p15, 0, r4, c2, c0, 1 @ load TTB1
+ ALT_SMP(orr r8, r8, #TTB_FLAGS_SMP)
+ ALT_UP(orr r8, r8, #TTB_FLAGS_UP)
+ mcr p15, 0, r8, c2, c0, 1 @ load TTB1
ldr r5, =PRRR @ PRRR
ldr r6, =NMRR @ NMRR
mcr p15, 0, r5, c10, c2, 0 @ write PRRR