diff options
Diffstat (limited to 'src/mainboard/amd/gardenia/acpi/sleep.asl')
-rw-r--r-- | src/mainboard/amd/gardenia/acpi/sleep.asl | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/mainboard/amd/gardenia/acpi/sleep.asl b/src/mainboard/amd/gardenia/acpi/sleep.asl new file mode 100644 index 0000000000..e11ea07fe3 --- /dev/null +++ b/src/mainboard/amd/gardenia/acpi/sleep.asl @@ -0,0 +1,86 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2013 Sage Electronic Engineering, LLC + * + * 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. + */ + +/* Wake status package */ +Name(WKST,Package(){Zero, Zero}) + +/* +* \_PTS - Prepare to Sleep method +* +* Entry: +* Arg0=The value of the sleeping state S1=1, S2=2, etc +* +* Exit: +* -none- +* +* The _PTS control method is executed at the beginning of the sleep process +* for S1-S5. The sleeping value is passed to the _PTS control method. This +* control method may be executed a relatively long time before entering the +* sleep state and the OS may abort the operation without notification to +* the ACPI driver. This method cannot modify the configuration or power +* state of any device in the system. +*/ +Method(_PTS, 1) { + /* DBGO("\\_PTS\n") */ + /* DBGO("From S0 to S") */ + /* DBGO(Arg0) */ + /* DBGO("\n") */ + + /* Clear wake status structure. */ + Store(0, PEWD) + Store(0, Index(WKST,0)) + Store(0, Index(WKST,1)) + Store(7, UPWS) +} /* End Method(\_PTS) */ + +/* +* \_BFS OEM Back From Sleep method +* +* Entry: +* Arg0=The value of the sleeping state S1=1, S2=2 +* +* Exit: +* -none- +*/ +Method(\_BFS, 1) { + /* DBGO("\\_BFS\n") */ + /* DBGO("From S") */ + /* DBGO(Arg0) */ + /* DBGO(" to S0\n") */ +} + +/* +* \_WAK System Wake method +* +* Entry: +* Arg0=The value of the sleeping state S1=1, S2=2 +* +* Exit: +* Return package of 2 DWords +* Dword 1 - Status +* 0x00000000 wake succeeded +* 0x00000001 Wake was signaled but failed due to lack of power +* 0x00000002 Wake was signaled but failed due to thermal condition +* Dword 2 - Power Supply state +* if non-zero the effective S-state the power supply entered +*/ +Method(\_WAK, 1) { + /* DBGO("\\_WAK\n") */ + /* DBGO("From S") */ + /* DBGO(Arg0) */ + /* DBGO(" to S0\n") */ + + Return(WKST) +} /* End Method(\_WAK) */ |