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- .. SPDX-License-Identifier: GPL-2.0+:
- sm 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>.
- sm efusedump
- Read <size> bytes starting from <offset> from efuse memory bank and print
- them to the console.
- Configuration
- -------------
- To use the sm command you must specify CONFIG_CMD_MESON=y
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