diff options
| author | T Michael Turney <mturney@codeaurora.org> | 2020-11-05 13:49:59 -0800 |
|---|---|---|
| committer | Julius Werner <jwerner@chromium.org> | 2020-11-06 22:34:25 +0000 |
| commit | 7bfef7d50ce6e7c6e562189249a180e4e9861749 (patch) | |
| tree | dab22f11b779ee75734d28d3789d967979b4e495 | |
| parent | ac2da047acb50ce8a776e8d2218c2b304af8be02 (diff) | |
sc7180: Correct mmu configuration for AOP SRAM regions
NOC errors detected at runtime in AOP SRAM region
strongly suggested speculative memory accesses were occurring
in memory regions that either don't exist or are device memory
rather than SRAM.
Signed-off-by: T Michael Turney <mturney@codeaurora.org>
Change-Id: I6611dc614c80063c7df057b59337417c8f56fd9c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47261
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
| -rw-r--r-- | src/soc/qualcomm/sc7180/include/soc/symbols.h | 3 | ||||
| -rw-r--r-- | src/soc/qualcomm/sc7180/memlayout.ld | 3 | ||||
| -rw-r--r-- | src/soc/qualcomm/sc7180/mmu.c | 3 |
3 files changed, 6 insertions, 3 deletions
diff --git a/src/soc/qualcomm/sc7180/include/soc/symbols.h b/src/soc/qualcomm/sc7180/include/soc/symbols.h index 207bc4377e..1281d6370d 100644 --- a/src/soc/qualcomm/sc7180/include/soc/symbols.h +++ b/src/soc/qualcomm/sc7180/include/soc/symbols.h @@ -14,7 +14,8 @@ DECLARE_REGION(dram_modem_extra) DECLARE_REGION(dcb) DECLARE_REGION(pmic) DECLARE_REGION(limits_cfg) -DECLARE_REGION(aop) +DECLARE_REGION(aop_code_ram) +DECLARE_REGION(aop_data_ram) DECLARE_REGION(modem_id) #endif /* _SOC_QUALCOMM_SC7180_SYMBOLS_H_ */ diff --git a/src/soc/qualcomm/sc7180/memlayout.ld b/src/soc/qualcomm/sc7180/memlayout.ld index 65e50d106e..482620a579 100644 --- a/src/soc/qualcomm/sc7180/memlayout.ld +++ b/src/soc/qualcomm/sc7180/memlayout.ld @@ -18,7 +18,8 @@ SECTIONS { AOPSRAM_START(0x0B000000) - REGION(aop, 0x0B000000, 0x100000, 4096) + REGION(aop_code_ram, 0x0B000000, 0x80000, 4096) + REGION(aop_data_ram, 0x0B0E0000, 0x20000, 4096) AOPSRAM_END(0x0B100000) SSRAM_START(0x14680000) diff --git a/src/soc/qualcomm/sc7180/mmu.c b/src/soc/qualcomm/sc7180/mmu.c index b33baca0f1..8447c01b72 100644 --- a/src/soc/qualcomm/sc7180/mmu.c +++ b/src/soc/qualcomm/sc7180/mmu.c @@ -22,5 +22,6 @@ void sc7180_mmu_init(void) void soc_mmu_dram_config_post_dram_init(void) { - mmu_config_range((void *)_aop, REGION_SIZE(aop), CACHED_RAM); + mmu_config_range((void *)_aop_code_ram, REGION_SIZE(aop_code_ram), CACHED_RAM); + mmu_config_range((void *)_aop_data_ram, REGION_SIZE(aop_data_ram), CACHED_RAM); } |