doc: man-page for smbios command

Provide a man-page for the smbios command.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>

2 files changed, 94 insertions, 0 deletions

diff --git a/doc/usage/cmd/smbios.rst b/doc/usage/cmd/smbios.rst
new file mode 100644
index 00000000000..1ffd706d7de
--- /dev/null
+++ b/doc/usage/cmd/smbios.rst
@@ -0,0 +1,93 @@
+.. SPDX-License-Identifier: GPL-2.0-or-later:
+
+smbios command
+==============
+
+Synopsis
+--------
+
+::
+
+        smbios
+
+Description
+-----------
+
+The smbios command displays information from the SMBIOS tables.
+
+Examples
+--------
+
+The example below shows an example output of the smbios command.
+
+::
+
+    => smbios
+    SMBIOS 2.8.0 present.
+    8 structures occupying 81 bytes
+    Table at 0x6d35018
+
+    Handle 0x0100, DMI type 1, 27 bytes at 0x6d35018
+    System Information
+        Manufacturer: QEMU
+        Product Name: Standard PC (i440FX + PIIX, 1996)
+        Version: pc-i440fx-2.5
+        Serial Number:
+        UUID 00000000-0000-0000-0000-000000000000
+        Wake Up Type:
+        Serial Number:
+        SKU Number:
+
+    Handle 0x0300, DMI type 3, 22 bytes at 0x6d35069
+    Header and Data:
+        00000000: 03 16 00 03 01 01 02 00 00 03 03 03 02 00 00 00
+        00000010: 00 00 00 00 00 00
+    Strings:
+        String 1: QEMU
+        String 2: pc-i440fx-2.5
+
+    Handle 0x0400, DMI type 4, 42 bytes at 0x6d35093
+    Header and Data:
+        00000000: 04 2a 00 04 01 03 01 02 63 06 00 00 fd ab 81 07
+        00000010: 03 00 00 00 d0 07 d0 07 41 01 ff ff ff ff ff ff
+        00000020: 00 00 00 01 01 01 02 00 01 00
+    Strings:
+        String 1: CPU 0
+        String 2: QEMU
+        String 3: pc-i440fx-2.5
+
+    Handle 0x1000, DMI type 16, 23 bytes at 0x6d350d7
+    Header and Data:
+        00000000: 10 17 00 10 01 03 06 00 00 02 00 fe ff 01 00 00
+        00000010: 00 00 00 00 00 00 00
+
+    Handle 0x1100, DMI type 17, 40 bytes at 0x6d350f0
+    Header and Data:
+        00000000: 11 28 00 11 00 10 fe ff ff ff ff ff 80 00 09 00
+        00000010: 01 00 07 02 00 00 00 02 00 00 00 00 00 00 00 00
+        00000020: 00 00 00 00 00 00 00 00
+    Strings:
+        String 1: DIMM 0
+        String 2: QEMU
+
+    Handle 0x1300, DMI type 19, 31 bytes at 0x6d35125
+    Header and Data:
+        00000000: 13 1f 00 13 00 00 00 00 ff ff 01 00 00 10 01 00
+        00000010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+
+    Handle 0x2000, DMI type 32, 11 bytes at 0x6d35146
+    Header and Data:
+        00000000: 20 0b 00 20 00 00 00 00 00 00 00
+
+    Handle 0x7f00, DMI type 127, 4 bytes at 0x6d35153
+    End Of Table
+
+Configuration
+-------------
+
+The command is only available if CONFIG_CMD_SMBIOS=y.
+
+Return value
+------------
+
+The return value $? is 0 (true) on success, 1 (false) otherwise.
diff --git a/doc/usage/index.rst b/doc/usage/index.rst
index c171c029b80..0d174eefaa5 100644
--- a/doc/usage/index.rst
+++ b/doc/usage/index.rst
@@ -103,6 +103,7 @@ Shell commands
    cmd/size
    cmd/sleep
    cmd/sm
+   cmd/smbios
    cmd/sound
    cmd/source
    cmd/temperature