diff options
| author | Raul E Rangel <rrangel@chromium.org> | 2021-04-19 17:00:58 -0600 |
|---|---|---|
| committer | Raul Rangel <rrangel@chromium.org> | 2021-04-21 18:42:55 +0000 |
| commit | d8956f7994188f108c662ff21e5b0f3f083153c9 (patch) | |
| tree | 17446cbaa500fea0a7c81a494ffb092543812815 /src/soc/amd | |
| parent | d77b97dc9aa9e2fe8e1c5fc6adf1cd34550bb832 (diff) | |
soc/amd/cezanne: Add support for C-state 3
These values match the majolica UEFI firmware.
BUG=b:185787242, b:178728116, b:185921043
Signed-off-by: Jason Glenesk <jason.glenesk@amd.corp-partner.google.com>
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: If107c7e836942eeba734c1634fa7f8555c3018b1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52526
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Diffstat (limited to 'src/soc/amd')
| -rw-r--r-- | src/soc/amd/cezanne/acpi.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/soc/amd/cezanne/acpi.c b/src/soc/amd/cezanne/acpi.c index b3931799b1..fd11589c66 100644 --- a/src/soc/amd/cezanne/acpi.c +++ b/src/soc/amd/cezanne/acpi.c @@ -304,6 +304,19 @@ void generate_cpu_entries(const struct device *device) .access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS, }, }, + [2] = { + .ctype = 3, + .latency = 350, + .power = 0, + .resource = { + .space_id = ACPI_ADDRESS_SPACE_IO, + .bit_width = 8, + .bit_offset = 0, + .addrl = cstate_base_address + 2, + .addrh = 0, + .access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS, + }, + }, }; threads_per_core = ((cpuid_ebx(CPUID_EBX_CORE_ID) & CPUID_EBX_THREADS_MASK) |