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Diffstat (limited to 'doc/usage')
| -rw-r--r-- | doc/usage/cmd/sm.rst | 44 | ||||
| -rw-r--r-- | doc/usage/index.rst | 1 |
2 files changed, 45 insertions, 0 deletions
diff --git a/doc/usage/cmd/sm.rst b/doc/usage/cmd/sm.rst new file mode 100644 index 00000000000..c41227f4b3b --- /dev/null +++ b/doc/usage/cmd/sm.rst @@ -0,0 +1,44 @@ +.. 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>. + +Configuration +------------- + +To use the sm command you must specify CONFIG_CMD_MESON=y diff --git a/doc/usage/index.rst b/doc/usage/index.rst index bbd40a6e189..9ae64db3f86 100644 --- a/doc/usage/index.rst +++ b/doc/usage/index.rst @@ -74,6 +74,7 @@ Shell commands cmd/setexpr cmd/size cmd/sound + cmd/sm cmd/temperature cmd/tftpput cmd/true |