mirror of https://gitee.com/openkylin/qemu.git
192 lines
6.8 KiB
C
192 lines
6.8 KiB
C
/*
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* tpm.h - TPM ACPI definitions
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*
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* Copyright (C) 2014 IBM Corporation
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*
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* Authors:
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* Stefan Berger <stefanb@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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* Implementation of the TIS interface according to specs found at
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* http://www.trustedcomputinggroup.org
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*
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*/
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#ifndef HW_ACPI_TPM_H
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#define HW_ACPI_TPM_H
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#include "qemu/units.h"
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#include "hw/registerfields.h"
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#define TPM_TIS_ADDR_BASE 0xFED40000
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#define TPM_TIS_ADDR_SIZE 0x5000
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#define TPM_TIS_IRQ 5
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#define TPM_TIS_NUM_LOCALITIES 5 /* per spec */
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#define TPM_TIS_LOCALITY_SHIFT 12
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/* tis registers */
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#define TPM_TIS_REG_ACCESS 0x00
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#define TPM_TIS_REG_INT_ENABLE 0x08
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#define TPM_TIS_REG_INT_VECTOR 0x0c
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#define TPM_TIS_REG_INT_STATUS 0x10
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#define TPM_TIS_REG_INTF_CAPABILITY 0x14
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#define TPM_TIS_REG_STS 0x18
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#define TPM_TIS_REG_DATA_FIFO 0x24
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#define TPM_TIS_REG_INTERFACE_ID 0x30
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#define TPM_TIS_REG_DATA_XFIFO 0x80
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#define TPM_TIS_REG_DATA_XFIFO_END 0xbc
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#define TPM_TIS_REG_DID_VID 0xf00
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#define TPM_TIS_REG_RID 0xf04
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/* vendor-specific registers */
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#define TPM_TIS_REG_DEBUG 0xf90
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#define TPM_TIS_STS_TPM_FAMILY_MASK (0x3 << 26)/* TPM 2.0 */
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#define TPM_TIS_STS_TPM_FAMILY1_2 (0 << 26) /* TPM 2.0 */
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#define TPM_TIS_STS_TPM_FAMILY2_0 (1 << 26) /* TPM 2.0 */
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#define TPM_TIS_STS_RESET_ESTABLISHMENT_BIT (1 << 25) /* TPM 2.0 */
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#define TPM_TIS_STS_COMMAND_CANCEL (1 << 24) /* TPM 2.0 */
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#define TPM_TIS_STS_VALID (1 << 7)
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#define TPM_TIS_STS_COMMAND_READY (1 << 6)
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#define TPM_TIS_STS_TPM_GO (1 << 5)
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#define TPM_TIS_STS_DATA_AVAILABLE (1 << 4)
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#define TPM_TIS_STS_EXPECT (1 << 3)
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#define TPM_TIS_STS_SELFTEST_DONE (1 << 2)
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#define TPM_TIS_STS_RESPONSE_RETRY (1 << 1)
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#define TPM_TIS_BURST_COUNT_SHIFT 8
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#define TPM_TIS_BURST_COUNT(X) \
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((X) << TPM_TIS_BURST_COUNT_SHIFT)
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#define TPM_TIS_ACCESS_TPM_REG_VALID_STS (1 << 7)
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#define TPM_TIS_ACCESS_ACTIVE_LOCALITY (1 << 5)
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#define TPM_TIS_ACCESS_BEEN_SEIZED (1 << 4)
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#define TPM_TIS_ACCESS_SEIZE (1 << 3)
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#define TPM_TIS_ACCESS_PENDING_REQUEST (1 << 2)
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#define TPM_TIS_ACCESS_REQUEST_USE (1 << 1)
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#define TPM_TIS_ACCESS_TPM_ESTABLISHMENT (1 << 0)
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#define TPM_TIS_INT_ENABLED (1 << 31)
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#define TPM_TIS_INT_DATA_AVAILABLE (1 << 0)
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#define TPM_TIS_INT_STS_VALID (1 << 1)
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#define TPM_TIS_INT_LOCALITY_CHANGED (1 << 2)
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#define TPM_TIS_INT_COMMAND_READY (1 << 7)
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#define TPM_TIS_INT_POLARITY_MASK (3 << 3)
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#define TPM_TIS_INT_POLARITY_LOW_LEVEL (1 << 3)
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#define TPM_TIS_INTERRUPTS_SUPPORTED (TPM_TIS_INT_LOCALITY_CHANGED | \
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TPM_TIS_INT_DATA_AVAILABLE | \
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TPM_TIS_INT_STS_VALID | \
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TPM_TIS_INT_COMMAND_READY)
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#define TPM_TIS_CAP_INTERFACE_VERSION1_3 (2 << 28)
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#define TPM_TIS_CAP_INTERFACE_VERSION1_3_FOR_TPM2_0 (3 << 28)
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#define TPM_TIS_CAP_DATA_TRANSFER_64B (3 << 9)
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#define TPM_TIS_CAP_DATA_TRANSFER_LEGACY (0 << 9)
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#define TPM_TIS_CAP_BURST_COUNT_DYNAMIC (0 << 8)
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#define TPM_TIS_CAP_INTERRUPT_LOW_LEVEL (1 << 4) /* support is mandatory */
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#define TPM_TIS_CAPABILITIES_SUPPORTED1_3 \
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(TPM_TIS_CAP_INTERRUPT_LOW_LEVEL | \
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TPM_TIS_CAP_BURST_COUNT_DYNAMIC | \
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TPM_TIS_CAP_DATA_TRANSFER_64B | \
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TPM_TIS_CAP_INTERFACE_VERSION1_3 | \
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TPM_TIS_INTERRUPTS_SUPPORTED)
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#define TPM_TIS_CAPABILITIES_SUPPORTED2_0 \
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(TPM_TIS_CAP_INTERRUPT_LOW_LEVEL | \
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TPM_TIS_CAP_BURST_COUNT_DYNAMIC | \
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TPM_TIS_CAP_DATA_TRANSFER_64B | \
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TPM_TIS_CAP_INTERFACE_VERSION1_3_FOR_TPM2_0 | \
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TPM_TIS_INTERRUPTS_SUPPORTED)
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#define TPM_TIS_IFACE_ID_INTERFACE_TIS1_3 (0xf) /* TPM 2.0 */
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#define TPM_TIS_IFACE_ID_INTERFACE_FIFO (0x0) /* TPM 2.0 */
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#define TPM_TIS_IFACE_ID_INTERFACE_VER_FIFO (0 << 4) /* TPM 2.0 */
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#define TPM_TIS_IFACE_ID_CAP_5_LOCALITIES (1 << 8) /* TPM 2.0 */
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#define TPM_TIS_IFACE_ID_CAP_TIS_SUPPORTED (1 << 13) /* TPM 2.0 */
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#define TPM_TIS_IFACE_ID_INT_SEL_LOCK (1 << 19) /* TPM 2.0 */
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#define TPM_TIS_IFACE_ID_SUPPORTED_FLAGS1_3 \
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(TPM_TIS_IFACE_ID_INTERFACE_TIS1_3 | \
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(~0u << 4)/* all of it is don't care */)
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/* if backend was a TPM 2.0: */
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#define TPM_TIS_IFACE_ID_SUPPORTED_FLAGS2_0 \
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(TPM_TIS_IFACE_ID_INTERFACE_FIFO | \
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TPM_TIS_IFACE_ID_INTERFACE_VER_FIFO | \
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TPM_TIS_IFACE_ID_CAP_5_LOCALITIES | \
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TPM_TIS_IFACE_ID_CAP_TIS_SUPPORTED)
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#define TPM_TIS_TPM_DID 0x0001
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#define TPM_TIS_TPM_VID PCI_VENDOR_ID_IBM
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#define TPM_TIS_TPM_RID 0x0001
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#define TPM_TIS_NO_DATA_BYTE 0xff
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REG32(CRB_LOC_STATE, 0x00)
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FIELD(CRB_LOC_STATE, tpmEstablished, 0, 1)
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FIELD(CRB_LOC_STATE, locAssigned, 1, 1)
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FIELD(CRB_LOC_STATE, activeLocality, 2, 3)
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FIELD(CRB_LOC_STATE, reserved, 5, 2)
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FIELD(CRB_LOC_STATE, tpmRegValidSts, 7, 1)
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REG32(CRB_LOC_CTRL, 0x08)
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REG32(CRB_LOC_STS, 0x0C)
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FIELD(CRB_LOC_STS, Granted, 0, 1)
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FIELD(CRB_LOC_STS, beenSeized, 1, 1)
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REG32(CRB_INTF_ID, 0x30)
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FIELD(CRB_INTF_ID, InterfaceType, 0, 4)
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FIELD(CRB_INTF_ID, InterfaceVersion, 4, 4)
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FIELD(CRB_INTF_ID, CapLocality, 8, 1)
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FIELD(CRB_INTF_ID, CapCRBIdleBypass, 9, 1)
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FIELD(CRB_INTF_ID, Reserved1, 10, 1)
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FIELD(CRB_INTF_ID, CapDataXferSizeSupport, 11, 2)
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FIELD(CRB_INTF_ID, CapFIFO, 13, 1)
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FIELD(CRB_INTF_ID, CapCRB, 14, 1)
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FIELD(CRB_INTF_ID, CapIFRes, 15, 2)
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FIELD(CRB_INTF_ID, InterfaceSelector, 17, 2)
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FIELD(CRB_INTF_ID, IntfSelLock, 19, 1)
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FIELD(CRB_INTF_ID, Reserved2, 20, 4)
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FIELD(CRB_INTF_ID, RID, 24, 8)
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REG32(CRB_INTF_ID2, 0x34)
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FIELD(CRB_INTF_ID2, VID, 0, 16)
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FIELD(CRB_INTF_ID2, DID, 16, 16)
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REG32(CRB_CTRL_EXT, 0x38)
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REG32(CRB_CTRL_REQ, 0x40)
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REG32(CRB_CTRL_STS, 0x44)
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FIELD(CRB_CTRL_STS, tpmSts, 0, 1)
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FIELD(CRB_CTRL_STS, tpmIdle, 1, 1)
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REG32(CRB_CTRL_CANCEL, 0x48)
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REG32(CRB_CTRL_START, 0x4C)
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REG32(CRB_INT_ENABLED, 0x50)
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REG32(CRB_INT_STS, 0x54)
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REG32(CRB_CTRL_CMD_SIZE, 0x58)
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REG32(CRB_CTRL_CMD_LADDR, 0x5C)
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REG32(CRB_CTRL_CMD_HADDR, 0x60)
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REG32(CRB_CTRL_RSP_SIZE, 0x64)
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REG32(CRB_CTRL_RSP_ADDR, 0x68)
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REG32(CRB_DATA_BUFFER, 0x80)
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#define TPM_CRB_ADDR_BASE 0xFED40000
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#define TPM_CRB_ADDR_SIZE 0x1000
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#define TPM_CRB_ADDR_CTRL (TPM_CRB_ADDR_BASE + A_CRB_CTRL_REQ)
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#define TPM_CRB_R_MAX R_CRB_DATA_BUFFER
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#define TPM_LOG_AREA_MINIMUM_SIZE (64 * KiB)
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#define TPM_TCPA_ACPI_CLASS_CLIENT 0
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#define TPM_TCPA_ACPI_CLASS_SERVER 1
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#define TPM2_ACPI_CLASS_CLIENT 0
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#define TPM2_ACPI_CLASS_SERVER 1
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#define TPM2_START_METHOD_MMIO 6
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#define TPM2_START_METHOD_CRB 7
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#endif /* HW_ACPI_TPM_H */
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