108 lines
4.0 KiB
C
108 lines
4.0 KiB
C
/* $NetBSD: tpmreg.h,v 1.6 2019/10/09 07:30:58 maxv Exp $ */
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/*
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* Copyright (c) 2019 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Maxime Villard.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#if (BYTE_ORDER == LITTLE_ENDIAN)
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#define TPM_BE16(a) bswap16(a)
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#define TPM_BE32(a) bswap32(a)
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#else
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#define TPM_BE16(a) (a)
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#define TPM_BE32(a) (a)
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#endif
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struct tpm_header {
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uint16_t tag;
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uint32_t length;
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uint32_t code;
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} __packed;
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/* -------------------------------------------------------------------------- */
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/*
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* TPM Interface Specification 1.2 (TIS12).
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*/
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#define TPM_ACCESS 0x0000 /* 8bit register */
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#define TPM_ACCESS_VALID __BIT(7)
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#define TPM_ACCESS_ACTIVE_LOCALITY __BIT(5)
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#define TPM_ACCESS_BEEN_SEIZED __BIT(4)
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#define TPM_ACCESS_SEIZE __BIT(3)
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#define TPM_ACCESS_PENDING_REQUEST __BIT(2)
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#define TPM_ACCESS_REQUEST_USE __BIT(1)
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#define TPM_ACCESS_ESTABLISHMENT __BIT(0)
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#define TPM_INT_ENABLE 0x0008 /* 32bit register */
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#define TPM_GLOBAL_INT_ENABLE __BIT(31)
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#define TPM_CMD_READY_INT __BIT(7)
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#define TPM_TYPE_POLARITY __BITS(4,3)
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#define TPM_INT_LEVEL_HIGH __SHIFTIN(0, TPM_TYPE_POLARITY)
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#define TPM_INT_LEVEL_LOW __SHIFTIN(1, TPM_TYPE_POLARITY)
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#define TPM_INT_EDGE_RISING __SHIFTIN(2, TPM_TYPE_POLARITY)
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#define TPM_INT_EDGE_FALLING __SHIFTIN(3, TPM_TYPE_POLARITY)
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#define TPM_LOCALITY_CHANGE_INT __BIT(2)
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#define TPM_STS_VALID_INT __BIT(1)
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#define TPM_DATA_AVAIL_INT __BIT(0)
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#define TPM_INT_VECTOR 0x000c /* 8bit register */
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#define TPM_INT_STATUS 0x0010 /* 32bit register */
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#define TPM_INTF_CAPABILITY 0x0014 /* 32bit register */
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#define TPM_INTF_BURST_COUNT_STATIC __BIT(8)
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#define TPM_INTF_CMD_READY_INT __BIT(7)
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#define TPM_INTF_INT_EDGE_FALLING __BIT(6)
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#define TPM_INTF_INT_EDGE_RISING __BIT(5)
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#define TPM_INTF_INT_LEVEL_LOW __BIT(4)
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#define TPM_INTF_INT_LEVEL_HIGH __BIT(3)
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#define TPM_INTF_LOCALITY_CHANGE_INT __BIT(2)
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#define TPM_INTF_STS_VALID_INT __BIT(1)
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#define TPM_INTF_DATA_AVAIL_INT __BIT(0)
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#define TPM_INTF_CAPABILITY_BITS \
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"\020\01IDRDY\02ISTSV\03ILOCH\04IHIGH\05ILOW\06IRISE\07IFALL\010IRDY\011BCST"
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#define TPM_STS 0x0018 /* 24bit register */
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#define TPM_STS_BURST_COUNT __BITS(23,8)
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#define TPM_STS_STATUS_BITS __BITS(7,0)
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#define TPM_STS_VALID __BIT(7)
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#define TPM_STS_CMD_READY __BIT(6)
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#define TPM_STS_GO __BIT(5)
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#define TPM_STS_DATA_AVAIL __BIT(4)
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#define TPM_STS_DATA_EXPECT __BIT(3)
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#define TPM_STS_SELFTEST_DONE __BIT(2)
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#define TPM_STS_RESP_RETRY __BIT(1)
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#define TPM_DATA 0x0024 /* 32bit register */
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#define TPM_ID 0x0f00 /* 32bit register */
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#define TPM_REV 0x0f04 /* 8bit register */
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/*
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* Five localities, 4K per locality.
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*/
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#define TPM_SPACE_SIZE 0x5000
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