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| author | Catalin Marinas <catalin.marinas@arm.com> | 2011-05-26 10:22:44 (GMT) |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-05-26 11:14:32 (GMT) |
| commit | d427958a46af24f75d0017c45eadd172273bbf33 (patch) | |
| tree | e4279d383e7eaccdfe22420abe0a68a35bcc4c85 /arch/arm/mm/proc-v6.S | |
| parent | a248b13b21ae00b97638b4f435c8df3075808b5d (diff) | |
| download | linux-d427958a46af24f75d0017c45eadd172273bbf33.tar.xz | |
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')
| -rw-r--r-- | arch/arm/mm/proc-v6.S | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S index ab17cc0..1d2b845 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} |