docs/specs/tpm.rst

20 0xfed40000-0xfed44fff available to the guest operating system.
45 0xfed40000-0xfed40fff (1 locality) available to the guest
69     #define TPM_VERSION_UNSPEC          0
73     #define TPM_PPI_VERSION_NONE        0
87 description contains the base address of the TIS interface 0xfed40000
88 and the size of the MMIO area (0x5000). In case a TPM2 is used by
135  | ``func``    |  0x100 |  0x000 | Firmware sets values for each supported   |
138  | ``ppin``    |   0x1  |  0x100 | SMI interrupt to use. Set by firmware.    |
141  | ``ppip``    |   0x4  |  0x101 | ACPI function index to pass to SMM code.  |
144  | ``pprp``    |   0x4  |  0x105 | Result of last executed operation. Set by |
147  | ``pprq``    |   0x4  |  0x109 | Operation request number to execute. See  |
151  | ``pprm``    |   0x4  |  0x10d | Operation request optional parameter.     |
154  | ``lppr``    |   0x4  |  0x111 | Last executed operation request number.   |
157  | ``fret``    |   0x4  |  0x115 | Result code from SMM function.            |
160  | ``res1``    |  0x40  |  0x119 | Reserved for future use                   |
162  |``next_step``|   0x1  |  0x159 | Operation to execute after reboot by      |
165  | ``movv``    |   0x1  |  0x15a | Memory overwrite variable                 |
174  | 0        | Operation is not implemented.                               |
187 field.  The PPI memory region size is 0x400 (``TPM_PPI_ADDR_SIZE``) to
264   [    0.012560] ACPI: TPM2 0x000000000BFFD1900 00004C (v04 BOCHS  \
338     -device spapr-vscsi,id=scsi0,reg=0x00002000 \
339     -device virtio-blk-pci,bus=pci.0,addr=0x3,drive=drive-virtio-disk0,id=virtio-disk0 \
368     -device tpm-tis-i2c,tpmdev=tpm0,bus=aspeed.i2c.bus.12,address=0x2e
372   echo tpm_tis_i2c 0x2e > /sys/bus/i2c/devices/i2c-12/new_device
380   1. DVD/CD [ata1-0: QEMU DVD-ROM ATAPI-4 DVD/CD]
393   [    0.012560] ACPI: TPM2 0x000000000BFFD1900 00004C (v04 BOCHS  \