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| author | Jason Glenesk <jason.glenesk@amd.corp-partner.google.com> | 2021-03-10 03:50:57 -0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-04-16 06:50:14 +0000 |
| commit | 79542fa36f919647137737ce2cf2e30042e4fe53 (patch) | |
| tree | a8503f15568da9d506a6517cbe30adf7ca7e9b81 /src/soc/amd/cezanne/Kconfig | |
| parent | 40df8aa84bcdb13b5b7213d90eca04c3f4f6c6ac (diff) | |
| download | coreboot-79542fa36f919647137737ce2cf2e30042e4fe53.tar.xz | |
soc/amd/cezanne: Port ACPI p-state and c-state entries from picasso
Add generate_cpu_entries to device operations. Add support to
generate cpu p-state and c-state SSDT entries.
BUG=b:184151560
TEST=Dump and verify SSDT entry for CPU p-states and c-states.
Change-Id: I77d8078b94fb661dc045b4184955c8cbec373d12
Signed-off-by: Jason Glenesk <jason.glenesk@amd.corp-partner.google.com>
Signed-off-by: Mathew King <mathewk@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52036
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Diffstat (limited to 'src/soc/amd/cezanne/Kconfig')
| -rw-r--r-- | src/soc/amd/cezanne/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/soc/amd/cezanne/Kconfig b/src/soc/amd/cezanne/Kconfig index 6f494bbdd0..cee86f900f 100644 --- a/src/soc/amd/cezanne/Kconfig +++ b/src/soc/amd/cezanne/Kconfig @@ -216,6 +216,14 @@ config DISABLE_KEYBOARD_RESET_PIN functionality isn't disabled, configuring it as an output and driving it as 0 will cause a reset. +config ACPI_SSDT_PSD_INDEPENDENT + bool "Allow core p-state independent transitions" + default y + help + AMD recommends the ACPI _PSD object to be configured to cause + cores to transition between p-states independently. A vendor may + choose to generate _PSD object to allow cores to transition together. + menu "PSP Configuration Options" config AMD_FWM_POSITION_INDEX |