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arm64: Correct shareability option for normal memory 

In order to allow proper working of caches, set the correct
shareability option for normal memory.

BUG=chrome-os-partner:38222
BRANCH=None
TEST=Compiles successfully for foster and SMP works.

Change-Id: I5462cb0a2ff94a854f71f58709d7b2e8297ccc44
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: e092916780716ac80c3608c1bd8ca2901fbb3bd1
Original-Change-Id: Idd3c096a004d76a8fd75df2a884fcb97130d0006
Original-Signed-off-by: Furquan Shaikh <furquan@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/262992
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Tested-by: Furquan Shaikh <furquan@chromium.org>
Original-Trybot-Ready: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9898
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Furquan Shaikh 2015-03-27 22:52:18 -07:00 committed by Patrick Georgi
parent 23dddd5bd3
commit 55aa17b744
2 changed files with 7 additions and 0 deletions
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1
src/arch/arm64/armv8/mmu.c
View File

@ -67,6 +67,7 @@ static uint64_t get_block_attr(unsigned long tag)
attr |= BLOCK_ACCESS; attr |= BLOCK_ACCESS;
if (tag & MA_MEM) { if (tag & MA_MEM) {
attr |= BLOCK_SH_INNER_SHAREABLE;
if (tag & MA_MEM_NC) if (tag & MA_MEM_NC)
attr |= BLOCK_INDEX_MEM_NORMAL_NC << BLOCK_INDEX_SHIFT; attr |= BLOCK_INDEX_MEM_NORMAL_NC << BLOCK_INDEX_SHIFT;
else else

6
src/arch/arm64/include/armv8/arch/mmu.h
View File

@ -65,6 +65,12 @@
#define BLOCK_ACCESS (1 << 10) #define BLOCK_ACCESS (1 << 10)
#define BLOCK_SH_SHIFT (8)
#define BLOCK_SH_NON_SHAREABLE (0 << BLOCK_SH_SHIFT)
#define BLOCK_SH_UNPREDICTABLE (1 << BLOCK_SH_SHIFT)
#define BLOCK_SH_OUTER_SHAREABLE (2 << BLOCK_SH_SHIFT)
#define BLOCK_SH_INNER_SHAREABLE (3 << BLOCK_SH_SHIFT)
/* XLAT Table Init Attributes */ /* XLAT Table Init Attributes */
#define VA_START 0x0 #define VA_START 0x0