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ACPI: Add usb_charge_mode_from_gnvs()

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Early Chromebook generations stored the information about
USB port power control for S3/S5 sleepstates in GNVS, although
the configuration is static.

Reduce code duplication and react to ACPI S4 as if it was ACPI
S5 request.

Change-Id: I7e6f37a023b0e9317dcf0355dfa70e28d51cdad9
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74524
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
This commit is contained in:
Kyösti Mälkki
2022-12-02 15:30:10 +02:00
parent 4a9de553c5
commit 027f86e6af
34 changed files with 94 additions and 159 deletions
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7
src/acpi/Kconfig
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@@ -29,6 +29,13 @@ config ACPI_SOC_NVS
Set to indicate <soc/nvs.h> exists for the platform with a definition
for global_nvs.
config ACPI_GNVS_USB_CHARGECTL
bool
depends on ACPI_SOC_NVS
help
Set to indicate <soc/nvs.h> implements fields s3u0, s3u1, s5u0, s5u1
to control USB port power rail for S3/S4/S5 sleep states.
config ACPI_CUSTOM_MADT
bool
default n if ACPI_NO_CUSTOM_MADT