Signed-off-by: Alexey Romanov avromanov@sberdevices.ru --- doc/usage/cmd/sm.rst | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 doc/usage/cmd/sm.rst
diff --git a/doc/usage/cmd/sm.rst b/doc/usage/cmd/sm.rst new file mode 100644 index 00000000000..3a70c137ec9 --- /dev/null +++ b/doc/usage/cmd/sm.rst @@ -0,0 +1,44 @@ +.. SPDX-License-Identifier: GPL-2.0+: + +Meson Security Monitor command +============================== + +Synopis +------- + +:: + + sm serial <address> + sm reboot_reason [name] + sm efuseread <offset> <size> <address> + sm efusewrite <offset> <size> <address> + sm efusedump <offset> <size> + +Description +----------- + +The sm command is used to request services from the secure monitor. User +can call secure monitor to request special TEE function, for example chip +serial number info, reboot reason, etc. + +sm serial + Retrieve chip unique serial number from sm and write it to memory on + appropriate address. + +sm reboot_reason + Print reboot reason to the console, if parameter [name] isn't specified. + If parameter specified, set reboot reason string to environment variable + with this name. + +sm efuseread + Read <size> bytes starting from <offset> from efuse memory bank and write + result to the address <address>. + +sm efusewrite + Write into efuse memory bank, starting from <offset>, the <size> bytes + of data, located at address <address>. + +Configuration +------------- + +To use the sm command you must specify CONFIG_CMD_MESON=y