diff options
| author | Marshall Dawson <marshalldawson3rd@gmail.com> | 2017-11-29 09:30:23 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2018-01-28 20:15:28 +0000 |
| commit | 22f54c5a81bf387edcd7ea792bc1717c554054c6 (patch) | |
| tree | 82d5b1ba80b9046594393590f84ac677e2f0ac29 /src/soc/amd/stoneyridge/include | |
| parent | 3a649eec28b9440a628626a7b882a9fb185a9a4a (diff) | |
amd/stoneyridge: Add NV storage to ramtop
The scratch registers in northbridge used for storing the top of
cacheable memory are volatile. Use the BiosRam storage in the FCH
instead.
TEST=Suspend and resume Kahlee with complete S3 patch stack
BUG=b:69614064
Change-Id: Ieb3cfd173c70bf899a6391d62d1df87b38485f30
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/22726
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/soc/amd/stoneyridge/include')
| -rw-r--r-- | src/soc/amd/stoneyridge/include/soc/iomap.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/include/soc/iomap.h b/src/soc/amd/stoneyridge/include/soc/iomap.h index ccedcce7b4..2319b883d7 100644 --- a/src/soc/amd/stoneyridge/include/soc/iomap.h +++ b/src/soc/amd/stoneyridge/include/soc/iomap.h @@ -66,4 +66,7 @@ #define AMD_GPIO_MUX (AMD_SB_ACPI_MMIO_ADDR + 0x00000d00) #define AMD_GPIO_CONTROL (AMD_SB_ACPI_MMIO_ADDR + 0x00001500) +/* BiosRam Ranges at 0xfed80500 or I/O 0xcd4/0xcd5 */ +#define BIOSRAM_CBMEM_TOP 0xf0 /* 4 bytes */ + #endif /* __SOC_STONEYRIDGE_IOMAP_H__ */ |