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
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
137 lines
3.0 KiB
137 lines
3.0 KiB
/*
|
|
* Copyright (C) 2011 Infineon Technologies
|
|
*
|
|
* Authors:
|
|
* Peter Huewe <huewe.external@infineon.com>
|
|
*
|
|
* Version: 2.1.1
|
|
*
|
|
* Description:
|
|
* Device driver for TCG/TCPA TPM (trusted platform module).
|
|
* Specifications at www.trustedcomputinggroup.org
|
|
*
|
|
* It is based on the Linux kernel driver tpm.c from Leendert van
|
|
* Dorn, Dave Safford, Reiner Sailer, and Kyleen Hall.
|
|
*
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation, version 2 of the
|
|
* License.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef _TPM_PRIVATE_H_
|
|
#define _TPM_PRIVATE_H_
|
|
|
|
#include <linux/compiler.h>
|
|
#include <linux/types.h>
|
|
|
|
enum tpm_timeout {
|
|
TPM_TIMEOUT = 5, /* msecs */
|
|
};
|
|
|
|
/* Size of external transmit buffer (used in tpm_transmit)*/
|
|
#define TPM_BUFSIZE 4096
|
|
|
|
/* Index of Count field in TPM response buffer */
|
|
#define TPM_RSP_SIZE_BYTE 2
|
|
#define TPM_RSP_RC_BYTE 6
|
|
|
|
struct tpm_chip;
|
|
|
|
struct tpm_vendor_specific {
|
|
const u8 req_complete_mask;
|
|
const u8 req_complete_val;
|
|
const u8 req_canceled;
|
|
int irq;
|
|
int (*recv) (struct tpm_chip *, u8 *, size_t);
|
|
int (*send) (struct tpm_chip *, u8 *, size_t);
|
|
void (*cancel) (struct tpm_chip *);
|
|
u8(*status) (struct tpm_chip *);
|
|
int locality;
|
|
unsigned long timeout_a, timeout_b, timeout_c, timeout_d; /* msec */
|
|
unsigned long duration[3]; /* msec */
|
|
};
|
|
|
|
struct tpm_chip {
|
|
int is_open;
|
|
struct tpm_vendor_specific vendor;
|
|
};
|
|
|
|
struct tpm_input_header {
|
|
__be16 tag;
|
|
__be32 length;
|
|
__be32 ordinal;
|
|
} __packed;
|
|
|
|
struct tpm_output_header {
|
|
__be16 tag;
|
|
__be32 length;
|
|
__be32 return_code;
|
|
} __packed;
|
|
|
|
struct timeout_t {
|
|
__be32 a;
|
|
__be32 b;
|
|
__be32 c;
|
|
__be32 d;
|
|
} __packed;
|
|
|
|
struct duration_t {
|
|
__be32 tpm_short;
|
|
__be32 tpm_medium;
|
|
__be32 tpm_long;
|
|
} __packed;
|
|
|
|
union cap_t {
|
|
struct timeout_t timeout;
|
|
struct duration_t duration;
|
|
};
|
|
|
|
struct tpm_getcap_params_in {
|
|
__be32 cap;
|
|
__be32 subcap_size;
|
|
__be32 subcap;
|
|
} __packed;
|
|
|
|
struct tpm_getcap_params_out {
|
|
__be32 cap_size;
|
|
union cap_t cap;
|
|
} __packed;
|
|
|
|
union tpm_cmd_header {
|
|
struct tpm_input_header in;
|
|
struct tpm_output_header out;
|
|
};
|
|
|
|
union tpm_cmd_params {
|
|
struct tpm_getcap_params_out getcap_out;
|
|
struct tpm_getcap_params_in getcap_in;
|
|
};
|
|
|
|
struct tpm_cmd_t {
|
|
union tpm_cmd_header header;
|
|
union tpm_cmd_params params;
|
|
} __packed;
|
|
|
|
struct tpm_chip *tpm_register_hardware(const struct tpm_vendor_specific *);
|
|
|
|
int tpm_vendor_init(uint32_t dev_addr);
|
|
|
|
void tpm_vendor_cleanup(struct tpm_chip *chip);
|
|
|
|
|
|
#endif
|
|
|