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arch/armv7: Fix end index calculation in mmu_config_range_kb 

BUG=chrome-os-partner:49249
TEST=None. Initial code not sure if it will even compile
BRANCH=none

Change-Id: Ib0fccfe2d103710c006cb3950c65b11b8d596912
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 9be5f58bb89ec43d4eb264c94c3f745dcade35dd
Original-Change-Id: If50efb55d4974dfcab07d3ae6488c2413b505a1f
Original-Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/333301
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/14657
Reviewed-by: Julius Werner <jwerner@chromium.org>
Tested-by: build bot (Jenkins)
This commit is contained in:
Varadarajan Narayanan 2016-03-03 15:14:46 +05:30 committed by Stefan Reinauer
parent e8e219d63d
commit 0067a426e7
1 changed files with 7 additions and 1 deletions
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8
src/arch/arm/armv7/mmu.c
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@ -218,8 +218,14 @@ void mmu_config_range_kb(u32 start_kb, u32 size_kb, enum dcache_policy policy)
u32 mask = BLOCK_SIZE/KiB - 1;
printk(BIOS_DEBUG, "Mapping address range [%#.8x:%#.8x) as %s\n",
start_kb * KiB, (start_kb + size_kb) * KiB, attrs[policy].name);
u32 end_kb = ALIGN_UP((start_kb + size_kb), PAGE_SIZE/KiB) -
(start_kb & ~mask);
assert(end_kb <= BLOCK_SIZE/KiB);
mmu_fill_table(table, (start_kb & mask) / (PAGE_SIZE/KiB),
div_round_up((start_kb + size_kb) & mask, PAGE_SIZE/KiB),
end_kb / (PAGE_SIZE/KiB),
(start_kb & ~mask) * KiB, PAGE_SHIFT, ATTR_PAGE | attr);
}