/** @file
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The Infineon SLB9645 TPM ACPI definition block.
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Provides TPM device info. and TPM presence check only.
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Copyright (c) 2013-2015 Intel Corporation.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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Device (TPM)
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{
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//
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// Define _HID as Infineon TPM Device, _CID as "PNP0C31" (defined in
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// "Secure Startup-FVE and TPM Admin BIOS and Platform Requirements").
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//
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Name(_HID ,EISAID("INT3493"))
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Name(_CID, EISAID("PNP0C31"))
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//
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// Readable name of this device.
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//
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Name (_STR, Unicode ("Infineon TPM 1.2 Device (SLB9645TT1.2)"))
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//
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// Return the resource consumed by TPM device.
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//
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Name (_CRS, ResourceTemplate () {
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I2cSerialBus (0x20, ControllerInitiated, 0x00061A80, AddressingMode7Bit, "\\_SB.PCI0.GIP0.I2C_", 0, ResourceConsumer,,)
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})
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//
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// Check if TPM present.
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//
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Method (_STA, 0)
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{
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if (LEqual (TPMP, 0))
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{
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return (0)
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}
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Return (0x0f)
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}
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}
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