Add a usage document for the 'rng' u-boot command.
Signed-off-by: Sughosh Ganu sughosh.ganu@linaro.org Reviewed-by: Ilias Apalodimas ilias.apalodimas@linaro.org Reviewed-by: Simon Glass sjg@chromium.org --- Changes since V7: None
doc/usage/cmd/rng.rst | 26 ++++++++++++++++++++++++++ doc/usage/index.rst | 1 + 2 files changed, 27 insertions(+) create mode 100644 doc/usage/cmd/rng.rst
diff --git a/doc/usage/cmd/rng.rst b/doc/usage/cmd/rng.rst new file mode 100644 index 0000000000..1a352da41a --- /dev/null +++ b/doc/usage/cmd/rng.rst @@ -0,0 +1,26 @@ +.. SPDX-License-Identifier: GPL-2.0+ + +rng command +=========== + +Synopsis +-------- + +:: + + rng [devnum [n]] + +Description +----------- + +The *rng* command reads the random number generator(RNG) device and +prints the random bytes read on the console. A maximum of 64 bytes can +be read in one invocation of the command. + +devnum + The RNG device from which the random bytes are to be + read. Defaults to 0. + +n + Number of random bytes to be read and displayed on the + console. Default value is 0x40. Max value is 0x40. diff --git a/doc/usage/index.rst b/doc/usage/index.rst index 8b98629d6b..366c8bb4b0 100644 --- a/doc/usage/index.rst +++ b/doc/usage/index.rst @@ -55,6 +55,7 @@ Shell commands cmd/pstore cmd/qfw cmd/reset + cmd/rng cmd/sbi cmd/sf cmd/scp03