diff options
Diffstat (limited to 'src/mainboard/asus/kfsn4-dre/acpi/pm_ctrl.asl')
| -rw-r--r-- | src/mainboard/asus/kfsn4-dre/acpi/pm_ctrl.asl | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/src/mainboard/asus/kfsn4-dre/acpi/pm_ctrl.asl b/src/mainboard/asus/kfsn4-dre/acpi/pm_ctrl.asl new file mode 100644 index 0000000000..c55835e3ba --- /dev/null +++ b/src/mainboard/asus/kfsn4-dre/acpi/pm_ctrl.asl @@ -0,0 +1,245 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering + * Copyright (C) 2010 - 2012 Advanced Micro Devices, Inc. + * Copyright (C) 2004 Nick Barker <Nick.Barker9@btinternet.com> + * Copyright (C) 2007, 2008 Rudolf Marek <r.marek@assembler.cz> + * + * 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 + */ + +/* + * WARNING: Sleep/Wake is a work in progress and is still somewhat flaky! + */ + + /* SuperIO control port */ + Name (SPIO, 0x2E) + + /* SuperIO control map */ + OperationRegion (SPIM, SystemIO, SPIO, 0x02) + Field (SPIM, ByteAcc, NoLock, Preserve) { + INDX, 8, + DATA, 8 + } + + /* SuperIO control registers */ + IndexField (INDX, DATA, ByteAcc, NoLock, Preserve) { + Offset (0x07), + CR07, 8, /* Logical device number */ + Offset (0x2C), + CR2C, 8, /* GPIO3 multiplexed pin selection */ + Offset (0x30), + CR30, 8, /* Logical device activation control register */ + Offset (0xE0), + CRE0, 8, /* Wake control register */ + Offset (0xE6), + CRE6, 8, /* Mouse wake event configuration register */ + Offset (0xF1), + CRF1, 8, /* GPIO3 data register */ + Offset (0xF3), + CRF3, 8, /* SUSLED mode register */ + Offset (0xF6), + CRF6, 8, /* SMI/PME event generation control register */ + Offset (0xF9), + CRF9, 8, /* ACPI PME configuration register */ + } + + /* Southbridge control ports */ + /* Both are offsets from PM base address (0x2000) */ + Name (SBC1, 0x2090) /* Offset 0x90 */ + Name (SBC2, 0x2400) /* Offset 0x400 */ + + /* Southbridge control maps */ + OperationRegion (SBM1, SystemIO, SBC1, 0x10) + Field (SBM1, ByteAcc, NoLock, Preserve) { + S1CT, 2, + Offset (0x04), + S3CT, 2, + Offset (0x08), + S4CT, 2, + Offset (0x0C), + S5CT, 2, + } + OperationRegion (SBM2, SystemIO, SBC2, 0x08) + Field (SBM2, ByteAcc, NoLock, Preserve) { + , 15, + PS1S, 1, + , 31, + PS1E, 1, + } + + /* Wake status package */ + Name(WKST,Package(){Zero, Zero}) + + /* + * \_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) { + /* Set up LEDs */ + /* Access SuperIO GPIO3/GPIO4 device */ + Store(0x87, INDX) + Store(0x87, INDX) + Store(0x09, CR07) + + /* Set GPIO3 pin 64 (power LED) to GP37 mode */ + And(CR2C, 0xF3, Local0) + Or(Local0, 0x04, CR2C) + + /* Set power LED to steady on */ + Or(CRF1, 0x80, CRF1) + + /* Restore default SuperIO access */ + Store(0xAA, INDX) + + /* Configure SuperIO for wake */ + /* Access SuperIO ACPI device */ + Store(0x87, INDX) + Store(0x87, INDX) + Store(0x0A, CR07) + + if (LEqual(Arg0, One)) /* Resuming from power state S1 */ + { + /* Set power management to SMI mode and disable SMI events */ + And(CRF9, 0xFA, CRF9) + + /* Deactivate the ACPI device */ + Store(Zero, CR30) + + /* Disable PS/2 SMI/PME events */ + And(CRF6, 0xCF, CRF6) + } + if (Lor(LEqual(Arg0, 0x03), LEqual(Arg0, 0x04))) /* Resuming from power state S3 or S4 */ + { + /* Disable PS/2 wake */ + And(CRE0, 0x1D, CRE0) + And(CRE6, 0x7F, CRE6) + } + + /* Restore default SuperIO access */ + Store(0xAA, INDX) + + /* Configure southbridge for wake */ + Store(Zero, PS1E) + Store(0x02, S1CT) + Store(0x02, S3CT) + Store(0x02, S4CT) + Store(0x02, S5CT) + Notify(\_SB.PWRB, 0x02) /* NOTIFY_DEVICE_WAKE */ + + Return(WKST) + } /* End Method(\_WAK) */ + + /* + * \_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) { + /* Set up LEDs */ + if (LEqual(Arg0, One)) /* Power state S1 requested */ + { + /* Access SuperIO GPIO3/GPIO4 device */ + Store(0x87, INDX) + Store(0x87, INDX) + Store(0x09, CR07) + + /* Set GPIO3 pin 64 (power LED) to SUSLED mode */ + And(CR2C, 0xF3, CR2C) + + /* Set suspend LED to 1Hz toggle pulse with 50% duty cycle */ + Or(CRF3, 0x80, CRF3) + + /* Restore default SuperIO access */ + Store(0xAA, INDX) + } + + /* Configure SuperIO for sleep */ + /* Access SuperIO ACPI device */ + Store(0x87, INDX) + Store(0x87, INDX) + Store(0x0A, CR07) + + /* Disable PS/2 wakeup and connect PANSW_IN to PANSW_OUT */ + And(CRE0, 0x1F, CRE0) + + if (LEqual(Arg0, One)) /* Power state S1 requested */ + { + /* Set power management to PME mode and enable PME events */ + Or(CRF9, 0x05, CRF9) + + /* Activate the ACPI device */ + Store(One, CR30) + + /* Enable PS/2 keyboard SMI/PME events */ + And(CRF6, 0xEF, CRF6) + + /* Enable PS/2 keyboard wake */ + Or(CRE0, 0x40, CRE0) + + /* Enable PS/2 mouse SMI/PME events */ + And(CRF6, 0xDF, CRF6) + + /* Enable PS/2 mouse wake */ + Or(CRE0, 0x20, CRE0) + } + else { + /* Enable PS/2 keyboard wake on any keypress */ + Or(CRE0, 0x41, CRE0) + + /* Enable PS/2 mouse wake on any click */ + Or(CRE0, 0x22, CRE0) + Or(CRE6, 0x80, CRE6) + } + + /* Restore default SuperIO access */ + Store(0xAA, INDX) + + /* Configure southbridge for sleep */ + Store(One, PS1S) + Store(One, PS1E) + + /* 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) */ |