tpm.h File Reference

#include <stdint.h>

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Data Structures
struct	tpm_vendor_specific
struct	tpm_chip

Macros
#define	TPM_BUFSIZE   1260
#define	TPM_HEADER_SIZE   10
#define	TPM_CMD_SIZE_BYTE   2
#define	TPM_CMD_ORDINAL_BYTE   6
#define	TPM_RSP_SIZE_BYTE   2
#define	TPM_RSP_RC_BYTE   6
#define	TPM_ACCESS(l)   (0x0000 | ((l) << 4))
#define	TPM_STS(l)   (0x0001 | ((l) << 4))
#define	TPM_DATA_FIFO(l)   (0x0005 | ((l) << 4))
#define	TPM_DID_VID(l)   (0x0006 | ((l) << 4))

Enumerations
enum	tpm_timeout { TPM_TIMEOUT = 1 }

Functions
int	tpm_vendor_probe (unsigned int bus, uint32_t addr)
int	tpm_vendor_init (struct tpm_chip *chip, unsigned int bus, uint32_t dev_addr)
void	tpm_vendor_cleanup (struct tpm_chip *chip)

Macro Definition Documentation

TPM_ACCESS

#define TPM_ACCESS

(

l

)

(0x0000 | ((l) << 4))

Definition at line 35 of file tpm.h.

TPM_BUFSIZE

#define TPM_BUFSIZE   1260

Definition at line 22 of file tpm.h.

TPM_CMD_ORDINAL_BYTE

#define TPM_CMD_ORDINAL_BYTE   6

Definition at line 29 of file tpm.h.

TPM_CMD_SIZE_BYTE

#define TPM_CMD_SIZE_BYTE   2

Definition at line 28 of file tpm.h.

TPM_DATA_FIFO

#define TPM_DATA_FIFO

(

l

)

(0x0005 | ((l) << 4))

Definition at line 37 of file tpm.h.

TPM_DID_VID

#define TPM_DID_VID

(

l

)

(0x0006 | ((l) << 4))

Definition at line 38 of file tpm.h.

TPM_HEADER_SIZE

#define TPM_HEADER_SIZE   10

Definition at line 25 of file tpm.h.

TPM_RSP_RC_BYTE

#define TPM_RSP_RC_BYTE   6

Definition at line 33 of file tpm.h.

TPM_RSP_SIZE_BYTE

#define TPM_RSP_SIZE_BYTE   2

Definition at line 32 of file tpm.h.

TPM_STS

#define TPM_STS

(

l

)

(0x0001 | ((l) << 4))

Definition at line 36 of file tpm.h.

Enumeration Type Documentation

tpm_timeout

enum tpm_timeout

Enumerator
TPM_TIMEOUT

Definition at line 17 of file tpm.h.

Function Documentation

tpm_vendor_cleanup()

void tpm_vendor_cleanup

(

struct tpm_chip *

chip

)

Definition at line 513 of file cr50.c.

References chip, tpm_vendor_specific::locality, release_locality(), and tpm_chip::vendor.

Referenced by tis_close().

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tpm_vendor_init()

int tpm_vendor_init	(	struct tpm_chip *	chip,
		unsigned int	bus,
		uint32_t	dev_addr
	)

Definition at line 476 of file cr50.c.

References tpm_inf_dev::addr, BIOS_DEBUG, BIOS_ERR, tpm_inf_dev::bus, tpm_vendor_specific::cancel, chip, chip_name, tpm_inf_dev::chip_type, claim_locality(), cr50_get_firmware_version(), cr50_i2c_probe(), cr50_set_board_cfg(), cr50_vendor_init(), ENV_BOOTBLOCK, ENV_SEPARATE_VERSTAGE, iic_tpm_read(), tpm_chip::is_open, memset(), NULL, printk, process_reset(), tpm_vendor_specific::recv, release_locality(), tpm_vendor_specific::req_canceled, tpm_vendor_specific::req_complete_mask, tpm_vendor_specific::req_complete_val, request_locality(), tpm_vendor_specific::send, SLB9635, SLB9645, SLEEP_DURATION, SLEEP_DURATION_LONG, tpm_inf_dev::sleep_long, tpm_inf_dev::sleep_short, tpm_vendor_specific::status, tpm_dev, TPM_DID_VID, tpm_first_access_this_boot(), TPM_STS_COMMAND_READY, TPM_STS_DATA_AVAIL, TPM_STS_VALID, TPM_TIS_I2C_DID_VID_9635, TPM_TIS_I2C_DID_VID_9645, tpm_tis_i2c_ready(), tpm_tis_i2c_recv(), tpm_tis_i2c_send(), tpm_tis_i2c_status(), UNKNOWN, vendor, and tpm_chip::vendor.

Referenced by tis_open().

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tpm_vendor_probe()

int tpm_vendor_probe	(	unsigned int	bus,
		uint32_t	addr
	)

Definition at line 436 of file cr50.c.

References addr, tpm_inf_dev::addr, BIOS_INFO, buf, tpm_inf_dev::bus, tpm_inf_dev::chip_type, iic_tpm_read(), printk, SLEEP_DURATION, SLEEP_DURATION_LONG, SLEEP_DURATION_PROBE_MS, tpm_inf_dev::sleep_long, tpm_inf_dev::sleep_short, stopwatch_duration_msecs(), stopwatch_expired(), stopwatch_init_msecs_expire(), TPM_ACCESS, tpm_dev, TPM_STS_VALID, udelay(), and UNKNOWN.

Referenced by tis_init().

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