diff options
Diffstat (limited to 'src/southbridge/amd/common')
| -rw-r--r-- | src/southbridge/amd/common/acpi/sleepstates.asl | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/southbridge/amd/common/acpi/sleepstates.asl b/src/southbridge/amd/common/acpi/sleepstates.asl new file mode 100644 index 0000000000..2f3673878b --- /dev/null +++ b/src/southbridge/amd/common/acpi/sleepstates.asl @@ -0,0 +1,40 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. + * + * 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, 0x0D) +#else +Name (SSFG, 0x09) +#endif + +/* Supported sleep states: */ +Name(\_S0, Package () {0x00, 0x00, 0x00, 0x00} ) /* (S0) - working state */ + +If (And(SSFG, 0x01)) { + Name(\_S1, Package () {0x01, 0x01, 0x00, 0x00} ) /* (S1) - sleeping w/CPU context */ +} +If (And(SSFG, 0x02)) { + Name(\_S2, Package () {0x02, 0x02, 0x00, 0x00} ) /* (S2) - "light" Suspend to RAM */ +} +If (And(SSFG, 0x04)) { + Name(\_S3, Package () {0x03, 0x03, 0x00, 0x00} ) /* (S3) - Suspend to RAM */ +} +If (And(SSFG, 0x08)) { + Name(\_S4, Package () {0x04, 0x04, 0x00, 0x00} ) /* (S4) - Suspend to Disk */ +} + +Name(\_S5, Package () {0x05, 0x05, 0x00, 0x00} ) /* (S5) - Soft Off */ |