summaryrefslogtreecommitdiff
path: root/doc
diff options
context:
space:
mode:
authorTom Rini <trini@konsulko.com>2022-08-05 08:01:32 -0400
committerTom Rini <trini@konsulko.com>2022-08-05 08:01:32 -0400
commit46b5c8ed017958fc387ab86c71ae6c90abb6793c (patch)
tree4162612e16af05f7ed57a461207af988fd8e5815 /doc
parentea2997ed2d1d2a24f598f368de441530c8dba7a2 (diff)
parentde70619dd3db08e4a1ac881801d3fab979408fd3 (diff)
Merge tag 'tpm-030822' of https://source.denx.de/u-boot/custodians/u-boot-tpm
EFI_RNG_PROTOCOL with a TPM
Diffstat (limited to 'doc')
-rw-r--r--doc/usage/cmd/rng.rst26
-rw-r--r--doc/usage/index.rst1
2 files changed, 27 insertions, 0 deletions
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 16a3db5c00..2ba8733b92 100644
--- a/doc/usage/index.rst
+++ b/doc/usage/index.rst
@@ -56,6 +56,7 @@ Shell commands
cmd/pstore
cmd/qfw
cmd/reset
+ cmd/rng
cmd/sbi
cmd/sf
cmd/scp03