diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2017-08-18 18:20:39 +0300 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2017-08-23 03:36:15 +0000 |
| commit | fb9458555413c6595dc67fe0f0d4f024570448e1 (patch) | |
| tree | 947b52db8fb401c74484e03f09e5e35b8ef8c317 /src/southbridge | |
| parent | 714709fde638acdaa31b8e49b1f12c43f3f6b3d6 (diff) | |
sb/amd/amd8111: Define ACPI sleep states
Note that against the specs, these definitions repeat
the sleep type also in the reserved fields 3 and 4.
For consistency, don't fix it here now.
Entry for \_S3 is now masked off if HAVE_ACPI_RESUME=n.
Change-Id: Icdc4c81d07fe7a99d5b0f8fa23e9443f58a40ab9
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/21143
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>
Diffstat (limited to 'src/southbridge')
| -rw-r--r-- | src/southbridge/amd/amd8111/acpi/sleepstates.asl | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/southbridge/amd/amd8111/acpi/sleepstates.asl b/src/southbridge/amd/amd8111/acpi/sleepstates.asl new file mode 100644 index 0000000000..cb6c53782f --- /dev/null +++ b/src/southbridge/amd/amd8111/acpi/sleepstates.asl @@ -0,0 +1,39 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/* S1 support: bit 0, S2 Support: bit 1, etc. S0 & S5 assumed */ +#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME) +Name (SSFG, 0x05) +#else +Name (SSFG, 0x01) +#endif + +/* Supported sleep states: */ +Name(\_S0, Package () {0x00, 0x00, 0x00, 0x00} ) /* (S0) - working state */ + +If (And(SSFG, 0x01)) { + Name(\_S1, Package () {0x01, 0x01, 0x01, 0x01} ) /* (S1) - sleeping w/CPU context */ +} +If (And(SSFG, 0x02)) { + Name(\_S2, Package () {0x02, 0x02, 0x02, 0x02} ) /* (S2) - "light" Suspend to RAM */ +} +If (And(SSFG, 0x04)) { + Name(\_S3, Package () {0x05, 0x05, 0x05, 0x05} ) /* (S3) - Suspend to RAM */ +} +If (And(SSFG, 0x08)) { + Name(\_S4, Package () {0x06, 0x06, 0x06, 0x06} ) /* (S4) - Suspend to Disk */ +} + +Name(\_S5, Package () {0x07, 0x07, 0x07, 0x07} ) /* (S5) - Soft Off */ |