diff options
| author | Guo Mang <mang.guo@intel.com> | 2016-12-23 13:37:43 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2016-12-26 19:15:14 +0800 |
| commit | a56cf5fd57d9853b8ee62c8a5dc6c1ca374d3c15 (patch) | |
| tree | 2268e7fa8aac2ecf28729e08481be069cdafa0d8 /Platform/BroxtonPlatformPkg/Common/Acpi/AcpiTablesPCAT/SsdtRtd3/Rtd3BxtUsbWwan.asl | |
| parent | 3532120b547da58720f7e23a11863e4868a6c0b7 (diff) | |
| download | edk2-platforms-a56cf5fd57d9853b8ee62c8a5dc6c1ca374d3c15.tar.xz | |
BroxtonPlatformPkg: Add AcpiTablesPCAT
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Platform/BroxtonPlatformPkg/Common/Acpi/AcpiTablesPCAT/SsdtRtd3/Rtd3BxtUsbWwan.asl')
| -rw-r--r-- | Platform/BroxtonPlatformPkg/Common/Acpi/AcpiTablesPCAT/SsdtRtd3/Rtd3BxtUsbWwan.asl | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/Platform/BroxtonPlatformPkg/Common/Acpi/AcpiTablesPCAT/SsdtRtd3/Rtd3BxtUsbWwan.asl b/Platform/BroxtonPlatformPkg/Common/Acpi/AcpiTablesPCAT/SsdtRtd3/Rtd3BxtUsbWwan.asl new file mode 100644 index 0000000000..787d7cd704 --- /dev/null +++ b/Platform/BroxtonPlatformPkg/Common/Acpi/AcpiTablesPCAT/SsdtRtd3/Rtd3BxtUsbWwan.asl @@ -0,0 +1,90 @@ +/** @file
+ Power resource and wake capability for USB ports hosting WWAN module
+
+ Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+ // USB Port 3 power resource
+
+ PowerResource(PX03, 0, 0) {
+ Name(WOFF, 0) // Last OFF Time stamp (WOFF): The time stamp of the last power resource _OFF method evaluation
+
+ Method(_STA)
+ {
+ If (LEqual(\_SB.GGOV(NW_GPIO_78), 1)) {
+ Return(0x01)
+ } Else {
+ Return(0x00)
+ }
+ }
+
+ Method(_ON, 0) /// _ON Method
+ {
+ If (LNotEqual(^WOFF, Zero)) {
+ Divide(Subtract(Timer(), ^WOFF), 10000, , Local0) // Store Elapsed time in ms, ignore remainder
+ If (LLess(Local0,100)) { // If Elapsed time is less than 100ms
+ Sleep(Subtract(100,Local0)) // Sleep for the remaining time
+ }
+ }
+ \_SB.SGOV(NW_GPIO_78,1) // set power pin to high
+ \_SB.SGOV(NW_GPIO_117,1) // set reset pin to high
+ }
+
+ Method(_OFF, 0) /// _OFF Method
+ {
+ \_SB.SGOV(NW_GPIO_117,0) // set reset pin to low
+ \_SB.SGOV(NW_GPIO_78,0) // set power pin to low
+
+ Store(Timer(), ^WOFF) // Start OFF timer here.
+ }
+ } // End PX03
+
+ Name(_PR0,Package(){PX03}) // Power Resource required to support D0
+ Name(_PR2,Package(){PX03}) // Power Resource required to support D2
+ Name(_PR3,Package(){PX03}) // Power Resource required to support D3
+
+ //
+ // WWAN Modem device with the same power resource as its composite parent device
+ //
+ Device (MODM) {
+ Name(_ADR, 0x3)
+ Name(_PR0,Package(){PX03}) // Power Resource required to support D0
+ Name(_PR2,Package(){PX03}) // Power Resource required to support D2
+ Name(_PR3,Package(){PX03}) // Power Resource required to support D3
+ }
+
+ //
+ // _SxW, in Sx, the lowest power state supported to wake up the system
+ // _SxD, in Sx, the highest power state supported by the device
+ // If OSPM supports _PR3 (_OSC, Arg3[2]), 3 represents D3hot; 4 represents D3cold, otherwise 3 represents D3.
+ //
+ Method(_S0W, 0, Serialized)
+ {
+ Return(0x3) // return 3 (D3hot)
+ }
+ Method (_S3D, 0, Serialized)
+ {
+ Return (0x2)
+ }
+ Method (_S3W, 0, Serialized)
+ {
+ Return (0x3)
+ }
+ Method (_S4D, 0, Serialized)
+ {
+ Return (0x2)
+ }
+ Method (_S4W, 0, Serialized)
+ {
+ Return (0x3)
+ }
+
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