path: root/arch/arm/mm/proc-v6.S
diff options
authorCatalin Marinas <catalin.marinas@arm.com>2011-05-26 11:22:44 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-05-26 12:14:32 +0100
commitd427958a46af24f75d0017c45eadd172273bbf33 (patch)
treee4279d383e7eaccdfe22420abe0a68a35bcc4c85 /arch/arm/mm/proc-v6.S
parenta248b13b21ae00b97638b4f435c8df3075808b5d (diff)
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-v6.S')
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index ab17cc0d3fa..1d2b8451bf2 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -213,7 +213,9 @@ __v6_setup:
mcr p15, 0, r0, 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
#endif /* CONFIG_MMU */
adr r5, v6_crval
ldmia r5, {r5, r6}