From: Frank Wunderlich <frank-w@public-files.de>
Date: Wed, 4 Feb 2026 18:40:44 +0000 (+0100)
Subject: doc: cmd: add usage doc for memsize
X-Git-Tag: v2026.04-rc2~8^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b4842032d542cfde271aab61b80ab870b27b07b2;p=thirdparty%2Fu-boot.git

doc: cmd: add usage doc for memsize

Add documentation for memsize command.

Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
---

diff --git a/doc/usage/cmd/memsize.rst b/doc/usage/cmd/memsize.rst
new file mode 100644
index 00000000000..6e99d7c1d33
--- /dev/null
+++ b/doc/usage/cmd/memsize.rst
@@ -0,0 +1,43 @@
+.. SPDX-License-Identifier: GPL-2.0+:
+
+.. index::
+   single: memsize (command)
+
+memsize command
+===============
+
+Synopsis
+--------
+
+::
+
+    memsize [name]
+
+Description
+-----------
+
+The memsize command shows the amount of RAM in MiB in decimal notation.
+Optionally same value can be assigned to an environment variable.
+
+Examples
+--------
+
+This first example shows printing of ram size:
+
+::
+
+  => memsize
+  8192 MiB
+
+This second example shows assign ram size to environment variable:
+
+::
+
+  => memsize memsz
+  => printenv memsz
+  memsz=8192
+
+Return value
+------------
+
+The return value is always 0 except error happens on setting environment variable.