diff options
| author | mkurumel <mkurumel@codeaurora.org> | 2020-09-14 23:28:53 +0530 |
|---|---|---|
| committer | Julius Werner <jwerner@chromium.org> | 2020-11-02 21:58:52 +0000 |
| commit | a9d225b3e89d6ec061169d5b472095fb9e8ffbc7 (patch) | |
| tree | bf1b27a48c44af3bd3cd2d9f25884d3737c90884 /src/soc/qualcomm/common | |
| parent | 82689d2ac8057afcdb6f77b9ecb6e53120edbf61 (diff) | |
sc7180: Add Modem region in memlayout to avoid modem cleanup in Secboot reboot.
two different modem regions wifi and lte to be handled in QC_SEC and modem
Change-Id: Ib4592ca66d3d0db4c4768be4cd27422fe9f786b8
Signed-off-by: Ravi Kumar Bokka <rbokka@codeaurora.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46661
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'src/soc/qualcomm/common')
| -rw-r--r-- | src/soc/qualcomm/common/include/soc/mmu_common.h | 1 | ||||
| -rw-r--r-- | src/soc/qualcomm/common/mmu.c | 11 |
2 files changed, 11 insertions, 1 deletions
diff --git a/src/soc/qualcomm/common/include/soc/mmu_common.h b/src/soc/qualcomm/common/include/soc/mmu_common.h index a38196fada..b6c8aabf4f 100644 --- a/src/soc/qualcomm/common/include/soc/mmu_common.h +++ b/src/soc/qualcomm/common/include/soc/mmu_common.h @@ -14,5 +14,6 @@ static struct region * const ddr_region = (struct region *)_ddr_information; void soc_mmu_dram_config_post_dram_init(void); void qc_mmu_dram_config_post_dram_init(void *ddr_base, size_t ddr_size); +bool soc_modem_carve_out(void **start, void **end); #endif /* _SOC_QUALCOMM_MMU_COMMON_H_ */ diff --git a/src/soc/qualcomm/common/mmu.c b/src/soc/qualcomm/common/mmu.c index 4f606be3e0..ba1173edf9 100644 --- a/src/soc/qualcomm/common/mmu.c +++ b/src/soc/qualcomm/common/mmu.c @@ -4,10 +4,19 @@ #include <soc/mmu.h> #include <soc/mmu_common.h> +__weak bool soc_modem_carve_out(void **start, void **end) { return false; } __weak void soc_mmu_dram_config_post_dram_init(void) { /* no-op */ } void qc_mmu_dram_config_post_dram_init(void *ddr_base, size_t ddr_size) { - mmu_config_range((void *)ddr_base, ddr_size, CACHED_RAM); + void *start = NULL; + void *end = NULL; + + if (!soc_modem_carve_out(&start, &end)) { + mmu_config_range((void *)ddr_base, ddr_size, CACHED_RAM); + } else { + mmu_config_range(ddr_base, start - ddr_base, CACHED_RAM); + mmu_config_range(end, ddr_base + ddr_size - end, CACHED_RAM); + } soc_mmu_dram_config_post_dram_init(); } |