/** @file | |
The Infineon SLB9645 TPM ACPI definition block. | |
Provides TPM device info. and TPM presence check only. | |
Copyright (c) 2013 Intel Corporation. | |
Redistribution and use in source and binary forms, with or without | |
modification, are permitted provided that the following conditions | |
are met: | |
* Redistributions of source code must retain the above copyright | |
notice, this list of conditions and the following disclaimer. | |
* Redistributions in binary form must reproduce the above copyright | |
notice, this list of conditions and the following disclaimer in | |
the documentation and/or other materials provided with the | |
distribution. | |
* Neither the name of Intel Corporation nor the names of its | |
contributors may be used to endorse or promote products derived | |
from this software without specific prior written permission. | |
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
**/ | |
Device (TPM) | |
{ | |
// | |
// Define _HID as Infineon TPM Device, _CID as "PNP0C31" (defined in | |
// "Secure Startup-FVE and TPM Admin BIOS and Platform Requirements"). | |
// | |
Name(_HID ,EISAID("INT3493")) | |
Name(_CID, EISAID("PNP0C31")) | |
// | |
// Readable name of this device. | |
// | |
Name (_STR, Unicode ("Infineon TPM 1.2 Device (SLB9645TT1.2)")) | |
// | |
// Return the resource consumed by TPM device. | |
// Quark validated ACPI compiler does not support ACPI 5.0. | |
// Hence comment out _CRS! | |
// | |
//Name (_CRS, ResourceTemplate () { | |
// I2cSerialBus (0x20, ControllerInitiated, 0x00061A80, AddressingMode7Bit, "\_SB.TPM", 0, ResourceConsumer,,) | |
//}) | |
// | |
// Check if TPM present. | |
// | |
Method (_STA, 0) | |
{ | |
if (LEqual (TPMP, 0)) | |
{ | |
return (0) | |
} | |
Return (0x0f) | |
} | |
} |