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| author | Jimmy Huang <jimmy.huang@mediatek.com> | 2015-06-16 12:18:50 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-12-03 14:16:43 +0100 |
| commit | 9b423a77d171a7f18ef0eb6bb98daf56eeb1da62 (patch) | |
| tree | fd07d94b8c97e6e0a198e42b30dfb580bae565a2 /src | |
| parent | 03688ec1da056d4b82bf40053cc9674ff9170822 (diff) | |
| download | coreboot-9b423a77d171a7f18ef0eb6bb98daf56eeb1da62.tar.xz | |
arch/arm64: add DMA_COHERENT region macros to memlayout
BRANCH=none
BUG=none
TEST=build pass
Change-Id: Ia997ce97ad42234ab020af7bd007d57d7191ee86
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 604ac738e33fdfbaf093989ea13162c8506b9360
Original-Change-Id: I636a1a38d0f5af97926d4446f3edb91a359cce4c
Original-Signed-off-by: Jimmy Huang <jimmy.huang@mediatek.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/292551
Original-Commit-Ready: Yidi Lin <yidi.lin@mediatek.com>
Original-Tested-by: Yidi Lin <yidi.lin@mediatek.com>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/12584
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/arm64/include/arch/memlayout.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/arch/arm64/include/arch/memlayout.h b/src/arch/arm64/include/arch/memlayout.h index 0bd0835aa8..ac09934019 100644 --- a/src/arch/arm64/include/arch/memlayout.h +++ b/src/arch/arm64/include/arch/memlayout.h @@ -22,6 +22,11 @@ REGION(ttb, addr, size, 4K) \ _ = ASSERT(size % 4K == 0, "TTB size must be divisible by 4K!"); +#define DMA_COHERENT(addr, size) \ + REGION(dma_coherent, addr, size, 4K) \ + _ = ASSERT(size % 4K == 0, \ + "DMA buffer should be multiple of smallest page size (4K)!"); + /* ARM64 stacks need 16-byte alignment. */ #define STACK(addr, size) \ REGION(stack, addr, size, 16) \ |