From 339f8b313a2ba0ff8c4ab7d5634677290b8d3d4c Mon Sep 17 00:00:00 2001 From: Aaron Durbin Date: Wed, 27 Aug 2014 14:58:43 -0500 Subject: arm64: make mmu_enable() use previous ttb from mmu_init() No need to pass in the same value for the ttb after just calling mmu_init(). All current users are setting this once and forgetting it. BUG=chrome-os-partner:31545 BRANCH=None TEST=Built and booted on ryu. Change-Id: Ie446d16eaf4ea65a34a9c76dd7c6c2f9b19c5d57 Signed-off-by: Patrick Georgi Original-Commit-Id: bd77461d483b513a569365673c83badc752f4aa8 Original-Change-Id: I54c7e4892d44ea6129429d8a46461d089dd8e2a9 Original-Signed-off-by: Aaron Durbin Original-Reviewed-on: https://chromium-review.googlesource.com/214772 Original-Reviewed-by: Furquan Shaikh Reviewed-on: http://review.coreboot.org/9016 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/arch/arm64/armv8/mmu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/arch/arm64/armv8/mmu.c') diff --git a/src/arch/arm64/armv8/mmu.c b/src/arch/arm64/armv8/mmu.c index cba1e4d4eb..8045cc0e54 100644 --- a/src/arch/arm64/armv8/mmu.c +++ b/src/arch/arm64/armv8/mmu.c @@ -285,7 +285,7 @@ static uint32_t is_mmu_enabled(void) return (sctlr & SCTLR_M); } -void mmu_enable(uint64_t ttbr) +void mmu_enable(void) { uint32_t sctlr; @@ -301,7 +301,7 @@ void mmu_enable(uint64_t ttbr) TCR_TBI_USED); /* Initialize TTBR */ - raw_write_ttbr0_el3(ttbr); + raw_write_ttbr0_el3((uintptr_t)xlat_addr); /* Ensure all translation table writes are committed before enabling MMU */ dsb(); -- cgit v1.2.3