upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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115 lines
2.1 KiB
115 lines
2.1 KiB
/*
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* Copyright (C) 2011 Infineon Technologies
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*
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* Authors:
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* Peter Huewe <huewe.external@infineon.com>
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*
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* Version: 2.1.1
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*
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* Description:
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* Device driver for TCG/TCPA TPM (trusted platform module).
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* Specifications at www.trustedcomputinggroup.org
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*
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* It is based on the Linux kernel driver tpm.c from Leendert van
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* Dorn, Dave Safford, Reiner Sailer, and Kyleen Hall.
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*
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* SPDX-License-Identifier: GPL-2.0
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*/
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#ifndef _TPM_TIS_I2C_H
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#define _TPM_TIS_I2C_H
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#include <linux/compiler.h>
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#include <linux/types.h>
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enum tpm_timeout {
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TPM_TIMEOUT = 5, /* msecs */
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};
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/* Size of external transmit buffer (used in tpm_transmit)*/
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#define TPM_BUFSIZE 4096
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/* Index of Count field in TPM response buffer */
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#define TPM_RSP_SIZE_BYTE 2
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#define TPM_RSP_RC_BYTE 6
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/* Max buffer size supported by our tpm */
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#define TPM_DEV_BUFSIZE 1260
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enum i2c_chip_type {
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SLB9635,
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SLB9645,
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UNKNOWN,
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};
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struct tpm_chip {
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int is_open;
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u8 req_complete_mask;
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u8 req_complete_val;
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u8 req_canceled;
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int irq;
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int locality;
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unsigned long timeout_a, timeout_b, timeout_c, timeout_d; /* msec */
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unsigned long duration[3]; /* msec */
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struct udevice *dev;
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u8 buf[TPM_DEV_BUFSIZE + sizeof(u8)]; /* Max buffer size + addr */
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enum i2c_chip_type chip_type;
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};
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struct tpm_input_header {
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__be16 tag;
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__be32 length;
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__be32 ordinal;
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} __packed;
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struct tpm_output_header {
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__be16 tag;
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__be32 length;
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__be32 return_code;
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} __packed;
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struct timeout_t {
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__be32 a;
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__be32 b;
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__be32 c;
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__be32 d;
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} __packed;
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struct duration_t {
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__be32 tpm_short;
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__be32 tpm_medium;
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__be32 tpm_long;
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} __packed;
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union cap_t {
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struct timeout_t timeout;
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struct duration_t duration;
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};
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struct tpm_getcap_params_in {
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__be32 cap;
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__be32 subcap_size;
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__be32 subcap;
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} __packed;
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struct tpm_getcap_params_out {
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__be32 cap_size;
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union cap_t cap;
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} __packed;
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union tpm_cmd_header {
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struct tpm_input_header in;
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struct tpm_output_header out;
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};
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union tpm_cmd_params {
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struct tpm_getcap_params_out getcap_out;
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struct tpm_getcap_params_in getcap_in;
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};
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struct tpm_cmd_t {
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union tpm_cmd_header header;
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union tpm_cmd_params params;
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} __packed;
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#endif
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