diff options
| author | Furquan Shaikh <furquan@google.com> | 2015-03-27 22:52:18 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-04-22 08:54:35 +0200 |
| commit | 55aa17b74410a177db34e7a99e0283c1fbd2903e (patch) | |
| tree | dfeb9c078f85e273ffeebeb5fd9e8732233d04a7 /src/arch | |
| parent | 23dddd5bd3a5f9cebc9a4efc04d73e869dadae96 (diff) | |
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>
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/arm64/armv8/mmu.c | 1 | ||||
| -rw-r--r-- | src/arch/arm64/include/armv8/arch/mmu.h | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/src/arch/arm64/armv8/mmu.c b/src/arch/arm64/armv8/mmu.c index 8fde41f7f7..84b9935a93 100644 --- a/src/arch/arm64/armv8/mmu.c +++ b/src/arch/arm64/armv8/mmu.c @@ -67,6 +67,7 @@ static uint64_t get_block_attr(unsigned long tag) attr |= BLOCK_ACCESS; if (tag & MA_MEM) { + attr |= BLOCK_SH_INNER_SHAREABLE; if (tag & MA_MEM_NC) attr |= BLOCK_INDEX_MEM_NORMAL_NC << BLOCK_INDEX_SHIFT; else diff --git a/src/arch/arm64/include/armv8/arch/mmu.h b/src/arch/arm64/include/armv8/arch/mmu.h index a030b1bf73..564d6afed4 100644 --- a/src/arch/arm64/include/armv8/arch/mmu.h +++ b/src/arch/arm64/include/armv8/arch/mmu.h @@ -65,6 +65,12 @@ #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 */ #define VA_START 0x0 |