tpm_tis.h revision 37714ae43602c675f9dc59b070bfdf9fa702872c
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
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* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _TPM_TIS_H
#define _TPM_TIS_H
/*
* TPM Interface Specification Defaults
* ICH7 spec (pg 253) says this is the base
* TPM on LPC: FED40000-FED40FFF But this is only locality 0
* It has to include 4 localities so the real range is FED40000-FED44FFF
* (TIS 1.2 pg 27)
*/
#define TIS_MEM_BASE 0xFED40000
#define TIS_MEM_LEN 0x5000
#define TPM_LOCALITY_OFFSET(x) ((x) << 12)
/* Used to gain ownership */
#define TPM_ACCESS 0x0000
/* Enable Interrupts */
#define TPM_INT_ENABLE 0x0008
/* Interrupt vector (SIRQ values) */
#define TPM_INT_VECTOR 0x000C
/* What caused interrupt */
#define TPM_INT_STATUS 0x0010
/* Supported Interrupts */
#define TPM_INTF_CAP 0x0014
/* Status Register */
#define TPM_STS 0x0018
/* I/O FIFO */
#define TPM_DATA_FIFO 0x0024
/* Vendor and Device ID */
#define TPM_DID_VID 0x0F00
/* Revision ID */
#define TPM_RID 0x0F04
/* The number of all ordinals */
#define TSC_ORDINAL_MAX 12
#define TPM_ORDINAL_MAX 243
#define TSC_ORDINAL_MASK 0x40000000
/* Timeouts (in milliseconds) (TIS v1.2 pg 43) */
enum tis_timeouts {
TIS_TIMEOUT_A = 750000,
TIS_TIMEOUT_B = 2000000,
TIS_TIMEOUT_C = 750000,
TIS_TIMEOUT_D = 750000
};
#define TPM_DEFAULT_DURATION 750000
/* Possible TPM_ACCESS register bit values (TIS 1.2 pg.47-49) */
enum tis_access {
TPM_ACCESS_VALID = 0x80,
TPM_ACCESS_ACTIVE_LOCALITY = 0x20,
TPM_ACCESS_REQUEST_PENDING = 0x04,
TPM_ACCESS_REQUEST_USE = 0x02
};
/* Possible TPM_STS register values (TIS 1.2 pg.52-54) */
enum tis_status {
/* bit 0 and bit 2 are reserved */
};
/* Possible TPM_INTF_CAPABILITY register values (TIS 1.2 pg.55) */
enum tis_intf_cap {
TPM_INTF_BURST_COUNT_STATIC = 0x100,
TPM_INTF_CMD_READY_INT = 0x080,
TPM_INTF_INT_EDGE_FALLING = 0x040,
TPM_INTF_INT_EDGE_RISING = 0x020,
TPM_INTF_INT_LEVEL_LOW = 0x010,
TPM_INTF_INT_LEVEL_HIGH = 0x008,
TPM_INTF_INT_LOCALITY_CHANGE_INT = 0x004,
TPM_INTF_INT_STS_VALID_INT = 0x002,
TPM_INTF_INT_DATA_AVAIL_INT = 0x001
};
/* Possible TPM_INT_ENABLE register values (TIS 1.2 pg.62-63) */
/* Interrupt enable bit for TPM_INT_ENABLE_x register */
/* Too big to fit in enum... */
#define TPM_INT_GLOBAL_EN 0x80000000
enum tis_int_enable {
TPM_INT_CMD_RDY_EN = 0x80,
TPM_INT_LOCAL_CHANGE_INT_EN = 0x04,
TPM_INT_STS_VALID_EN = 0x02,
TPM_INT_STS_DATA_AVAIL_EN = 0x01
};
#endif /* _TPM_TIS_H */