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Diffstat (limited to 'docs/components/measured_boot')
-rw-r--r-- | docs/components/measured_boot/event_log.rst | 35 | ||||
-rw-r--r-- | docs/components/measured_boot/index.rst | 12 |
2 files changed, 47 insertions, 0 deletions
diff --git a/docs/components/measured_boot/event_log.rst b/docs/components/measured_boot/event_log.rst new file mode 100644 index 0000000..0881248 --- /dev/null +++ b/docs/components/measured_boot/event_log.rst @@ -0,0 +1,35 @@ +DTB binding for Event Log properties +==================================== + +This document describes the device tree format of Event Log properties. +These properties are not related to a specific platform and can be queried +from common code. + +Dynamic configuration for Event Log +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Measured Boot driver expects a *tpm_event_log* node with the following field +in 'tb_fw_config', 'nt_fw_config' and 'tsp_fw_config' DTS files: + +- compatible [mandatory] + - value type: <string> + - Must be the string "arm,tpm_event_log". + +Then a list of properties representing Event Log configuration, which +can be used by Measured Boot driver. Each property is named according +to the information it contains: + +- tpm_event_log_sm_addr [fvp_nt_fw_config.dts with OP-TEE] + - value type: <u64> + - Event Log base address in secure memory. + +Note. Currently OP-TEE does not support reading DTBs from Secure memory +and this property should be removed when this feature is supported. + +- tpm_event_log_addr [mandatory] + - value type: <u64> + - Event Log base address in non-secure memory. + +- tpm_event_log_size [mandatory] + - value type: <u32> + - Event Log size. diff --git a/docs/components/measured_boot/index.rst b/docs/components/measured_boot/index.rst new file mode 100644 index 0000000..e7f2634 --- /dev/null +++ b/docs/components/measured_boot/index.rst @@ -0,0 +1,12 @@ +Measured Boot Driver (MBD) +========================== + +.. _measured-boot-document: + +Properties binding information +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +.. toctree:: + :maxdepth: 1 + + event_log |