diff options
| author | Raul E Rangel <rrangel@chromium.org> | 2021-03-03 17:01:46 -0700 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-03-08 23:30:38 +0000 |
| commit | 8e6059db28491249954df81ba3baa593395be97a (patch) | |
| tree | c3499c4c5d91d8cfbc132fd754e4e5302328ecd5 /src/soc/amd/common | |
| parent | 7778cf2d30f780fc5bf867af8171a5cd6c47b835 (diff) | |
soc/amd,mb/google/,mb/amd: Move sleepstates.asl
This file is common for all the AMD platforms.
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I10ee600b4bcd7aaff39bfab075eb4dbc9096b435
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51299
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/amd/common')
| -rw-r--r-- | src/soc/amd/common/acpi/sleepstates.asl | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/soc/amd/common/acpi/sleepstates.asl b/src/soc/amd/common/acpi/sleepstates.asl new file mode 100644 index 0000000000..03d28bb4f8 --- /dev/null +++ b/src/soc/amd/common/acpi/sleepstates.asl @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* S1 support: bit 0, S2 Support: bit 1, etc. S0 & S5 assumed */ +Name(SSFG, 0x09) +If (CONFIG(HAVE_ACPI_RESUME)) { + SSFG = 0x0D +} +If (CONFIG(DISABLE_ACPI_HIBERNATE)) { + SSFG &= 0xF7 +} + +/* Supported sleep states: */ +Name(\_S0, Package () {0x00, 0x00, 0x00, 0x00} ) /* (S0) - working state */ + +If (SSFG & 0x01) { + Name(\_S1, Package () {0x01, 0x01, 0x00, 0x00} ) /* (S1) - sleeping w/CPU context */ +} +If (SSFG & 0x02) { + Name(\_S2, Package () {0x02, 0x02, 0x00, 0x00} ) /* (S2) - "light" Suspend to RAM */ +} +If (SSFG & 0x04) { + Name(\_S3, Package () {0x03, 0x03, 0x00, 0x00} ) /* (S3) - Suspend to RAM */ +} +If (SSFG & 0x08) { + Name(\_S4, Package () {0x04, 0x04, 0x00, 0x00} ) /* (S4) - Suspend to Disk */ +} + +Name(\_S5, Package () {0x05, 0x05, 0x00, 0x00} ) /* (S5) - Soft Off */ |