4 #include "types.h" // u32
8 TPM_DURATION_TYPE_SHORT = 0,
9 TPM_DURATION_TYPE_MEDIUM,
10 TPM_DURATION_TYPE_LONG,
13 /* low level driver implementation */
17 void (*set_timeouts)(u32 timeouts[4], u32 durations[3]);
20 u32 (*activate)(u8 locty);
22 u32 (*senddata)(const u8 *const data, u32 len);
23 u32 (*readresp)(u8 *buffer, u32 *len);
24 u32 (*waitdatavalid)(void);
25 u32 (*waitrespready)(enum tpmDurationType to_t);
26 /* the TPM will be used for buffers of sizes below the sha1threshold
27 for calculating the hash */
31 extern struct tpm_driver tpm_drivers[];
34 #define TIS_DRIVER_IDX 0
35 #define TPM_NUM_DRIVERS 1
37 #define TPM_INVALID_DRIVER -1
40 /* address of locality 0 (TIS) */
41 #define TPM_TIS_BASE_ADDRESS 0xfed40000
43 #define TIS_REG(LOCTY, REG) \
44 (void *)(TPM_TIS_BASE_ADDRESS + (LOCTY << 12) + REG)
46 /* hardware registers */
47 #define TIS_REG_ACCESS 0x0
48 #define TIS_REG_INT_ENABLE 0x8
49 #define TIS_REG_INT_VECTOR 0xc
50 #define TIS_REG_INT_STATUS 0x10
51 #define TIS_REG_INTF_CAPABILITY 0x14
52 #define TIS_REG_STS 0x18
53 #define TIS_REG_DATA_FIFO 0x24
54 #define TIS_REG_DID_VID 0xf00
55 #define TIS_REG_RID 0xf04
57 #define TIS_STS_VALID (1 << 7) /* 0x80 */
58 #define TIS_STS_COMMAND_READY (1 << 6) /* 0x40 */
59 #define TIS_STS_TPM_GO (1 << 5) /* 0x20 */
60 #define TIS_STS_DATA_AVAILABLE (1 << 4) /* 0x10 */
61 #define TIS_STS_EXPECT (1 << 3) /* 0x08 */
62 #define TIS_STS_RESPONSE_RETRY (1 << 1) /* 0x02 */
64 #define TIS_ACCESS_TPM_REG_VALID_STS (1 << 7) /* 0x80 */
65 #define TIS_ACCESS_ACTIVE_LOCALITY (1 << 5) /* 0x20 */
66 #define TIS_ACCESS_BEEN_SEIZED (1 << 4) /* 0x10 */
67 #define TIS_ACCESS_SEIZE (1 << 3) /* 0x08 */
68 #define TIS_ACCESS_PENDING_REQUEST (1 << 2) /* 0x04 */
69 #define TIS_ACCESS_REQUEST_USE (1 << 1) /* 0x02 */
70 #define TIS_ACCESS_TPM_ESTABLISHMENT (1 << 0) /* 0x01 */
74 #define TIS_DEFAULT_TIMEOUT_A (750 * SCALER)
75 #define TIS_DEFAULT_TIMEOUT_B (2000 * SCALER)
76 #define TIS_DEFAULT_TIMEOUT_C (750 * SCALER)
77 #define TIS_DEFAULT_TIMEOUT_D (750 * SCALER)
80 TIS_TIMEOUT_TYPE_A = 0,
86 #define TPM_DEFAULT_DURATION_SHORT (2000 * SCALER)
87 #define TPM_DEFAULT_DURATION_MEDIUM (20000 * SCALER)
88 #define TPM_DEFAULT_DURATION_LONG (60000 * SCALER)
90 #endif /* TPM_DRIVERS_H */