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Data Structures
struct	tpm2_info

Macros
#define	TPM_CRB_BASE_ADDRESS CONFIG_CRB_TPM_BASE_ADDRESS

#define	CRB_REG(LOCTY, REG) (void *)(uintptr_t)(CONFIG_CRB_TPM_BASE_ADDRESS + (LOCTY << 12) + REG)

#define	CRB_REG_LOC_STATE 0x00

#define	CRB_REG_LOC_CTRL 0x08

#define	CRB_REG_LOC_STS 0x0C

#define	LOC_CTRL_REQ_ACCESS 0x01

#define	LOC_STATE_LOC_ASSIGN 0x02

#define	LOC_STATE_REG_VALID_STS 0x80

#define	LOC_STS_GRANTED 0x01

#define	CRB_REG_INTF_ID 0x30

#define	CRB_REG_REQUEST 0x40

#define	CRB_REG_STATUS 0x44

#define	CRB_REG_CANCEL 0x48

#define	CRB_REG_START 0x4C

#define	CRB_REG_INT_CTRL 0x50

#define	CRB_REG_CMD_SIZE 0x58

#define	CRB_REG_CMD_ADDR 0x5C

#define	CRB_REG_RESP_SIZE 0x64

#define	CRB_REG_RESP_ADDR 0x68

#define	CRB_INTF_REG_CAP_CRB (1<<14)

#define	CRB_INTF_REG_INTF_SEL (1<<17)

#define	CRB_INTF_REG_INTF_LOCK (1<<19)

#define	CRB_REG_REQUEST_CMD_RDY 0x01

#define	CRB_REG_REQUEST_GO_IDLE 0x02

#define	CRB_REG_STATUS_ERROR 0x01

#define	CRB_REG_STATUS_IDLE 0x02

#define	CRB_REG_START_START 0x01

Functions
int	tpm2_init (void)

void	tpm2_get_info (struct tpm2_info *tpm2_info)

size_t	tpm2_process_command (const void tpm2_command, size_t command_size, void tpm2_response, size_t max_response)

Macro Definition Documentation

◆ CRB_INTF_REG_CAP_CRB

#define CRB_INTF_REG_CAP_CRB (1<<14)

Definition at line 38 of file tpm.h.

◆ CRB_INTF_REG_INTF_LOCK

#define CRB_INTF_REG_INTF_LOCK (1<<19)

Definition at line 40 of file tpm.h.

◆ CRB_INTF_REG_INTF_SEL

#define CRB_INTF_REG_INTF_SEL (1<<17)

Definition at line 39 of file tpm.h.

◆ CRB_REG

#define CRB_REG	(	LOCTY,
		REG
	)	(void *)(uintptr_t)(CONFIG_CRB_TPM_BASE_ADDRESS + (LOCTY << 12) + REG)

Definition at line 8 of file tpm.h.

◆ CRB_REG_CANCEL

#define CRB_REG_CANCEL 0x48

Definition at line 29 of file tpm.h.

◆ CRB_REG_CMD_ADDR

#define CRB_REG_CMD_ADDR 0x5C

Definition at line 33 of file tpm.h.

◆ CRB_REG_CMD_SIZE

#define CRB_REG_CMD_SIZE 0x58

Definition at line 32 of file tpm.h.

◆ CRB_REG_INT_CTRL

#define CRB_REG_INT_CTRL 0x50

Definition at line 31 of file tpm.h.

◆ CRB_REG_INTF_ID

#define CRB_REG_INTF_ID 0x30

Definition at line 26 of file tpm.h.

◆ CRB_REG_LOC_CTRL

#define CRB_REG_LOC_CTRL 0x08

Definition at line 13 of file tpm.h.

◆ CRB_REG_LOC_STATE

#define CRB_REG_LOC_STATE 0x00

Definition at line 12 of file tpm.h.

◆ CRB_REG_LOC_STS

#define CRB_REG_LOC_STS 0x0C

Definition at line 14 of file tpm.h.

◆ CRB_REG_REQUEST

#define CRB_REG_REQUEST 0x40

Definition at line 27 of file tpm.h.

◆ CRB_REG_REQUEST_CMD_RDY

#define CRB_REG_REQUEST_CMD_RDY 0x01

Definition at line 43 of file tpm.h.

◆ CRB_REG_REQUEST_GO_IDLE

#define CRB_REG_REQUEST_GO_IDLE 0x02

Definition at line 44 of file tpm.h.

◆ CRB_REG_RESP_ADDR

#define CRB_REG_RESP_ADDR 0x68

Definition at line 35 of file tpm.h.

◆ CRB_REG_RESP_SIZE

#define CRB_REG_RESP_SIZE 0x64

Definition at line 34 of file tpm.h.

◆ CRB_REG_START

#define CRB_REG_START 0x4C

Definition at line 30 of file tpm.h.

◆ CRB_REG_START_START

#define CRB_REG_START_START 0x01

Definition at line 51 of file tpm.h.

◆ CRB_REG_STATUS

#define CRB_REG_STATUS 0x44

Definition at line 28 of file tpm.h.

◆ CRB_REG_STATUS_ERROR

#define CRB_REG_STATUS_ERROR 0x01

Definition at line 47 of file tpm.h.

◆ CRB_REG_STATUS_IDLE

#define CRB_REG_STATUS_IDLE 0x02

Definition at line 48 of file tpm.h.

◆ LOC_CTRL_REQ_ACCESS

#define LOC_CTRL_REQ_ACCESS 0x01

Definition at line 17 of file tpm.h.

◆ LOC_STATE_LOC_ASSIGN

#define LOC_STATE_LOC_ASSIGN 0x02

Definition at line 20 of file tpm.h.

◆ LOC_STATE_REG_VALID_STS

#define LOC_STATE_REG_VALID_STS 0x80

Definition at line 21 of file tpm.h.

◆ LOC_STS_GRANTED

#define LOC_STS_GRANTED 0x01

Definition at line 24 of file tpm.h.

◆ TPM_CRB_BASE_ADDRESS

#define TPM_CRB_BASE_ADDRESS CONFIG_CRB_TPM_BASE_ADDRESS

Definition at line 6 of file tpm.h.

Function Documentation

◆ tpm2_get_info()

void tpm2_get_info ( struct tpm2_info * tpm2_info )

Definition at line 266 of file tpm.c.

◆ tpm2_init()

int tpm2_init ( void )

Definition at line 175 of file tpm.c.

References BIOS_ERR, BIOS_SPEW, crb_probe(), crb_readControlArea(), and printk.

Referenced by tis_init().

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◆ tpm2_process_command()

size_t tpm2_process_command	(	const void *	tpm2_command,
		size_t	command_size,
		void *	tpm2_response,
		size_t	max_response
	)

Definition at line 195 of file tpm.c.

Data Structures

Macros

Functions