diff options
Diffstat (limited to 'include/hw/acpi/tpm.h')
| -rw-r--r-- | include/hw/acpi/tpm.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/include/hw/acpi/tpm.h b/include/hw/acpi/tpm.h index 96fd3a92f7..46ac4dc581 100644 --- a/include/hw/acpi/tpm.h +++ b/include/hw/acpi/tpm.h @@ -23,6 +23,111 @@ #define TPM_TIS_IRQ 5 +#define TPM_TIS_NUM_LOCALITIES 5 /* per spec */ +#define TPM_TIS_LOCALITY_SHIFT 12 + +/* tis registers */ +#define TPM_TIS_REG_ACCESS 0x00 +#define TPM_TIS_REG_INT_ENABLE 0x08 +#define TPM_TIS_REG_INT_VECTOR 0x0c +#define TPM_TIS_REG_INT_STATUS 0x10 +#define TPM_TIS_REG_INTF_CAPABILITY 0x14 +#define TPM_TIS_REG_STS 0x18 +#define TPM_TIS_REG_DATA_FIFO 0x24 +#define TPM_TIS_REG_INTERFACE_ID 0x30 +#define TPM_TIS_REG_DATA_XFIFO 0x80 +#define TPM_TIS_REG_DATA_XFIFO_END 0xbc +#define TPM_TIS_REG_DID_VID 0xf00 +#define TPM_TIS_REG_RID 0xf04 + +/* vendor-specific registers */ +#define TPM_TIS_REG_DEBUG 0xf90 + +#define TPM_TIS_STS_TPM_FAMILY_MASK (0x3 << 26)/* TPM 2.0 */ +#define TPM_TIS_STS_TPM_FAMILY1_2 (0 << 26) /* TPM 2.0 */ +#define TPM_TIS_STS_TPM_FAMILY2_0 (1 << 26) /* TPM 2.0 */ +#define TPM_TIS_STS_RESET_ESTABLISHMENT_BIT (1 << 25) /* TPM 2.0 */ +#define TPM_TIS_STS_COMMAND_CANCEL (1 << 24) /* TPM 2.0 */ + +#define TPM_TIS_STS_VALID (1 << 7) +#define TPM_TIS_STS_COMMAND_READY (1 << 6) +#define TPM_TIS_STS_TPM_GO (1 << 5) +#define TPM_TIS_STS_DATA_AVAILABLE (1 << 4) +#define TPM_TIS_STS_EXPECT (1 << 3) +#define TPM_TIS_STS_SELFTEST_DONE (1 << 2) +#define TPM_TIS_STS_RESPONSE_RETRY (1 << 1) + +#define TPM_TIS_BURST_COUNT_SHIFT 8 +#define TPM_TIS_BURST_COUNT(X) \ + ((X) << TPM_TIS_BURST_COUNT_SHIFT) + +#define TPM_TIS_ACCESS_TPM_REG_VALID_STS (1 << 7) +#define TPM_TIS_ACCESS_ACTIVE_LOCALITY (1 << 5) +#define TPM_TIS_ACCESS_BEEN_SEIZED (1 << 4) +#define TPM_TIS_ACCESS_SEIZE (1 << 3) +#define TPM_TIS_ACCESS_PENDING_REQUEST (1 << 2) +#define TPM_TIS_ACCESS_REQUEST_USE (1 << 1) +#define TPM_TIS_ACCESS_TPM_ESTABLISHMENT (1 << 0) + +#define TPM_TIS_INT_ENABLED (1 << 31) +#define TPM_TIS_INT_DATA_AVAILABLE (1 << 0) +#define TPM_TIS_INT_STS_VALID (1 << 1) +#define TPM_TIS_INT_LOCALITY_CHANGED (1 << 2) +#define TPM_TIS_INT_COMMAND_READY (1 << 7) + +#define TPM_TIS_INT_POLARITY_MASK (3 << 3) +#define TPM_TIS_INT_POLARITY_LOW_LEVEL (1 << 3) + +#define TPM_TIS_INTERRUPTS_SUPPORTED (TPM_TIS_INT_LOCALITY_CHANGED | \ + TPM_TIS_INT_DATA_AVAILABLE | \ + TPM_TIS_INT_STS_VALID | \ + TPM_TIS_INT_COMMAND_READY) + +#define TPM_TIS_CAP_INTERFACE_VERSION1_3 (2 << 28) +#define TPM_TIS_CAP_INTERFACE_VERSION1_3_FOR_TPM2_0 (3 << 28) +#define TPM_TIS_CAP_DATA_TRANSFER_64B (3 << 9) +#define TPM_TIS_CAP_DATA_TRANSFER_LEGACY (0 << 9) +#define TPM_TIS_CAP_BURST_COUNT_DYNAMIC (0 << 8) +#define TPM_TIS_CAP_INTERRUPT_LOW_LEVEL (1 << 4) /* support is mandatory */ +#define TPM_TIS_CAPABILITIES_SUPPORTED1_3 \ + (TPM_TIS_CAP_INTERRUPT_LOW_LEVEL | \ + TPM_TIS_CAP_BURST_COUNT_DYNAMIC | \ + TPM_TIS_CAP_DATA_TRANSFER_64B | \ + TPM_TIS_CAP_INTERFACE_VERSION1_3 | \ + TPM_TIS_INTERRUPTS_SUPPORTED) + +#define TPM_TIS_CAPABILITIES_SUPPORTED2_0 \ + (TPM_TIS_CAP_INTERRUPT_LOW_LEVEL | \ + TPM_TIS_CAP_BURST_COUNT_DYNAMIC | \ + TPM_TIS_CAP_DATA_TRANSFER_64B | \ + TPM_TIS_CAP_INTERFACE_VERSION1_3_FOR_TPM2_0 | \ + TPM_TIS_INTERRUPTS_SUPPORTED) + +#define TPM_TIS_IFACE_ID_INTERFACE_TIS1_3 (0xf) /* TPM 2.0 */ +#define TPM_TIS_IFACE_ID_INTERFACE_FIFO (0x0) /* TPM 2.0 */ +#define TPM_TIS_IFACE_ID_INTERFACE_VER_FIFO (0 << 4) /* TPM 2.0 */ +#define TPM_TIS_IFACE_ID_CAP_5_LOCALITIES (1 << 8) /* TPM 2.0 */ +#define TPM_TIS_IFACE_ID_CAP_TIS_SUPPORTED (1 << 13) /* TPM 2.0 */ +#define TPM_TIS_IFACE_ID_INT_SEL_LOCK (1 << 19) /* TPM 2.0 */ + +#define TPM_TIS_IFACE_ID_SUPPORTED_FLAGS1_3 \ + (TPM_TIS_IFACE_ID_INTERFACE_TIS1_3 | \ + (~0u << 4)/* all of it is don't care */) + +/* if backend was a TPM 2.0: */ +#define TPM_TIS_IFACE_ID_SUPPORTED_FLAGS2_0 \ + (TPM_TIS_IFACE_ID_INTERFACE_FIFO | \ + TPM_TIS_IFACE_ID_INTERFACE_VER_FIFO | \ + TPM_TIS_IFACE_ID_CAP_5_LOCALITIES | \ + TPM_TIS_IFACE_ID_CAP_TIS_SUPPORTED) + +#define TPM_TIS_TPM_DID 0x0001 +#define TPM_TIS_TPM_VID PCI_VENDOR_ID_IBM +#define TPM_TIS_TPM_RID 0x0001 + +#define TPM_TIS_NO_DATA_BYTE 0xff + + REG32(CRB_LOC_STATE, 0x00) FIELD(CRB_LOC_STATE, tpmEstablished, 0, 1) FIELD(CRB_LOC_STATE, locAssigned, 1, 1) |