diff options
| author | Daisuke Nojiri <dnojiri@chromium.org> | 2015-03-02 14:38:37 -0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-04-22 08:40:12 +0200 |
| commit | 99d39565da77056699ea011e82483092ec650153 (patch) | |
| tree | eaf8fc42202a1fe11034867fd9faea789565f494 /src/soc/broadcom/cygnus/romstage.c | |
| parent | d5f551a82a5d6f5c54798094c00ad606ca9d6807 (diff) | |
google/purin: add DMA coherent region
BUG=none
BRANCH=broadcom-firmware
TEST=boot to depthcharge
Change-Id: Id10437c12e219e07121395abd442d53b3b56c7be
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: f33e9218ca8df1d149761c09253c30837b607433
Original-Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Reviewed-on: https://chrome-internal-review.googlesource.com/204757
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Original-Commit-Queue: Daisuke Nojiri <dnojiri@google.com>
Original-Tested-by: Daisuke Nojiri <dnojiri@google.com>
Original-Change-Id: I93def9c326cc8b4fea69078987bddf09d9f2a797
Original-Reviewed-on: https://chromium-review.googlesource.com/256417
Reviewed-on: http://review.coreboot.org/9854
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/soc/broadcom/cygnus/romstage.c')
| -rw-r--r-- | src/soc/broadcom/cygnus/romstage.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/soc/broadcom/cygnus/romstage.c b/src/soc/broadcom/cygnus/romstage.c index e581a63356..f293f31d2a 100644 --- a/src/soc/broadcom/cygnus/romstage.c +++ b/src/soc/broadcom/cygnus/romstage.c @@ -55,9 +55,11 @@ void main(void) after_dram_time = timestamp_get(); #endif - mmu_init(); - mmu_config_range(0, 4096, DCACHE_OFF); - dcache_mmu_enable(); + /* Now that DRAM is up, add mappings for it and DMA coherency buffer. */ + mmu_config_range((uintptr_t)_dram/MiB, + sdram_size_mb(), DCACHE_WRITEBACK); + mmu_config_range((uintptr_t)_dma_coherent/MiB, + _dma_coherent_size/MiB, DCACHE_OFF); cbmem_initialize_empty(); |