diff options
author | Mike Loptien <mike.loptien@se-eng.com> | 2013-03-29 13:33:39 -0600 |
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committer | Ronald G. Minnich <rminnich@gmail.com> | 2013-04-18 02:49:49 +0200 |
commit | ba7ed4b6a1965692057710d61eacde14b2b58424 (patch) | |
tree | 08b26740787fdbd30dd2daeee648105c4b37a25f /src/mainboard/amd/union_station/acpi/sleep.asl | |
parent | 4b213a8d1fd02061c1e879ff98167bcb47f13bd2 (diff) |
AMD Fam14: Split out the AMD Fam14 DSDT
Same splitting as done on Persimmon and ASRock.
Moving common DSDT code to common areas and adding
new files as necessary. Boards updated are:
Inagua
Union-Station
South-Station
Change-Id: I8c9eea62996b41cea23a9c16858c4249197f6216
Signed-off-by: Mike Loptien <mike.loptien@se-eng.com>
Reviewed-on: http://review.coreboot.org/3051
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martin.roth@se-eng.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/mainboard/amd/union_station/acpi/sleep.asl')
-rw-r--r-- | src/mainboard/amd/union_station/acpi/sleep.asl | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/mainboard/amd/union_station/acpi/sleep.asl b/src/mainboard/amd/union_station/acpi/sleep.asl new file mode 100644 index 0000000000..a109151509 --- /dev/null +++ b/src/mainboard/amd/union_station/acpi/sleep.asl @@ -0,0 +1,121 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Advanced Micro Devices, Inc. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* 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") */ + + /* Don't allow PCIRST# to reset USB */ + if (LEqual(Arg0,3)){ + Store(0,URRE) + } + + /* Clear sleep SMI status flag and enable sleep SMI trap. */ + /*Store(One, CSSM) + Store(One, SSEN)*/ + + /* On older chips, clear PciExpWakeDisEn */ + /*if (LLessEqual(\_SB.SBRI, 0x13)) { + * Store(0,\_SB.PWDE) + *} + */ + + /* Clear wake status structure. */ + Store(0, Index(WKST,0)) + Store(0, Index(WKST,1)) +} /* 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") */ + + /* Re-enable HPET */ + Store(1,HPDE) + + /* Restore PCIRST# so it resets USB */ + if (LEqual(Arg0,3)){ + Store(1,URRE) + } + + /* Arbitrarily clear PciExpWakeStatus */ + Store(PWST, PWST) + + /* if(DeRefOf(Index(WKST,0))) { + * Store(0, Index(WKST,1)) + * } else { + * Store(Arg0, Index(WKST,1)) + * } + */ + Return(WKST) +} /* End Method(\_WAK) */ + |