diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2022-12-02 15:30:10 +0200 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2023-08-16 17:55:02 +0000 |
| commit | 027f86e6af023b338a0f1d8a999a8f33eeacb010 (patch) | |
| tree | 691450089ec0116cba1ec04b1b73ca3dea39aaf5 /src/mainboard/google/butterfly/smihandler.c | |
| parent | 4a9de553c5307595f396b47aaa108bf1dc34638d (diff) | |
ACPI: Add usb_charge_mode_from_gnvs()
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>
Diffstat (limited to 'src/mainboard/google/butterfly/smihandler.c')
| -rw-r--r-- | src/mainboard/google/butterfly/smihandler.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/mainboard/google/butterfly/smihandler.c b/src/mainboard/google/butterfly/smihandler.c index 23bd683f2d..7963dac313 100644 --- a/src/mainboard/google/butterfly/smihandler.c +++ b/src/mainboard/google/butterfly/smihandler.c @@ -1,8 +1,8 @@ /* SPDX-License-Identifier: GPL-2.0-only */ +#include <acpi/acpi_gnvs.h> #include <console/console.h> #include <cpu/x86/smm.h> -#include <soc/nvs.h> #include <southbridge/intel/bd82x6x/pch.h> #include <southbridge/intel/bd82x6x/me.h> #include <northbridge/intel/sandybridge/sandybridge.h> @@ -13,8 +13,11 @@ void mainboard_smi_sleep(u8 slp_typ) { + bool usb0_disable = 0, usb1_disable = 0; + /* Tell the EC to Enable USB power for S3 if requested */ - if (gnvs->s3u0 != 0 || gnvs->s3u1 != 0) + usb_charge_mode_from_gnvs(3, &usb0_disable, &usb1_disable); + if (!usb0_disable || !usb1_disable) ec_mem_write(EC_EC_PSW, ec_mem_read(EC_EC_PSW) | EC_PSW_USB); /* Disable wake on USB, LAN & RTC */ |