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authorDon Dugger <n0ano@n0ano.com>2016-06-03 03:33:22 +0000
committerGerrit Code Review <gerrit@172.30.200.206>2016-06-03 03:33:23 +0000
commitda27230f80795d0028333713f036d44c53cb0e68 (patch)
treeb3d379eaf000adf72b36cb01cdf4d79c3e3f064c /qemu/roms/seabios/src/hw/tpm_drivers.h
parent0e68cb048bb8aadb14675f5d4286d8ab2fc35449 (diff)
parent437fd90c0250dee670290f9b714253671a990160 (diff)
Merge "These changes are the raw update to qemu-2.6."
Diffstat (limited to 'qemu/roms/seabios/src/hw/tpm_drivers.h')
-rw-r--r--qemu/roms/seabios/src/hw/tpm_drivers.h90
1 files changed, 90 insertions, 0 deletions
diff --git a/qemu/roms/seabios/src/hw/tpm_drivers.h b/qemu/roms/seabios/src/hw/tpm_drivers.h
new file mode 100644
index 000000000..34bb12d1c
--- /dev/null
+++ b/qemu/roms/seabios/src/hw/tpm_drivers.h
@@ -0,0 +1,90 @@
+#ifndef TPM_DRIVERS_H
+#define TPM_DRIVERS_H
+
+#include "types.h" // u32
+
+
+enum tpmDurationType {
+ TPM_DURATION_TYPE_SHORT = 0,
+ TPM_DURATION_TYPE_MEDIUM,
+ TPM_DURATION_TYPE_LONG,
+};
+
+/* low level driver implementation */
+struct tpm_driver {
+ u32 *timeouts;
+ u32 *durations;
+ void (*set_timeouts)(u32 timeouts[4], u32 durations[3]);
+ u32 (*probe)(void);
+ u32 (*init)(void);
+ u32 (*activate)(u8 locty);
+ u32 (*ready)(void);
+ u32 (*senddata)(const u8 *const data, u32 len);
+ u32 (*readresp)(u8 *buffer, u32 *len);
+ u32 (*waitdatavalid)(void);
+ u32 (*waitrespready)(enum tpmDurationType to_t);
+ /* the TPM will be used for buffers of sizes below the sha1threshold
+ for calculating the hash */
+ u32 sha1threshold;
+};
+
+extern struct tpm_driver tpm_drivers[];
+
+
+#define TIS_DRIVER_IDX 0
+#define TPM_NUM_DRIVERS 1
+
+#define TPM_INVALID_DRIVER -1
+
+/* TIS driver */
+/* address of locality 0 (TIS) */
+#define TPM_TIS_BASE_ADDRESS 0xfed40000
+
+#define TIS_REG(LOCTY, REG) \
+ (void *)(TPM_TIS_BASE_ADDRESS + (LOCTY << 12) + REG)
+
+/* hardware registers */
+#define TIS_REG_ACCESS 0x0
+#define TIS_REG_INT_ENABLE 0x8
+#define TIS_REG_INT_VECTOR 0xc
+#define TIS_REG_INT_STATUS 0x10
+#define TIS_REG_INTF_CAPABILITY 0x14
+#define TIS_REG_STS 0x18
+#define TIS_REG_DATA_FIFO 0x24
+#define TIS_REG_DID_VID 0xf00
+#define TIS_REG_RID 0xf04
+
+#define TIS_STS_VALID (1 << 7) /* 0x80 */
+#define TIS_STS_COMMAND_READY (1 << 6) /* 0x40 */
+#define TIS_STS_TPM_GO (1 << 5) /* 0x20 */
+#define TIS_STS_DATA_AVAILABLE (1 << 4) /* 0x10 */
+#define TIS_STS_EXPECT (1 << 3) /* 0x08 */
+#define TIS_STS_RESPONSE_RETRY (1 << 1) /* 0x02 */
+
+#define TIS_ACCESS_TPM_REG_VALID_STS (1 << 7) /* 0x80 */
+#define TIS_ACCESS_ACTIVE_LOCALITY (1 << 5) /* 0x20 */
+#define TIS_ACCESS_BEEN_SEIZED (1 << 4) /* 0x10 */
+#define TIS_ACCESS_SEIZE (1 << 3) /* 0x08 */
+#define TIS_ACCESS_PENDING_REQUEST (1 << 2) /* 0x04 */
+#define TIS_ACCESS_REQUEST_USE (1 << 1) /* 0x02 */
+#define TIS_ACCESS_TPM_ESTABLISHMENT (1 << 0) /* 0x01 */
+
+#define SCALER 10
+
+#define TIS_DEFAULT_TIMEOUT_A (750 * SCALER)
+#define TIS_DEFAULT_TIMEOUT_B (2000 * SCALER)
+#define TIS_DEFAULT_TIMEOUT_C (750 * SCALER)
+#define TIS_DEFAULT_TIMEOUT_D (750 * SCALER)
+
+enum tisTimeoutType {
+ TIS_TIMEOUT_TYPE_A = 0,
+ TIS_TIMEOUT_TYPE_B,
+ TIS_TIMEOUT_TYPE_C,
+ TIS_TIMEOUT_TYPE_D,
+};
+
+#define TPM_DEFAULT_DURATION_SHORT (2000 * SCALER)
+#define TPM_DEFAULT_DURATION_MEDIUM (20000 * SCALER)
+#define TPM_DEFAULT_DURATION_LONG (60000 * SCALER)
+
+#endif /* TPM_DRIVERS_H */