From 5e04435970b13c512cf05147a8b3ea6625458645 Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Wed, 16 Feb 2022 07:59:31 +0100 Subject: doc: describe generation of SMBIOS table SMBIOS is not x86 specific. So we should have an architecture independent page describing it. Signed-off-by: Heinrich Schuchardt --- doc/develop/index.rst | 1 + doc/develop/smbios.rst | 22 ++++++++++++++++++++++ 2 files changed, 23 insertions(+) create mode 100644 doc/develop/smbios.rst (limited to 'doc/develop') diff --git a/doc/develop/index.rst b/doc/develop/index.rst index 97148875ef4..93ebfa485f5 100644 --- a/doc/develop/index.rst +++ b/doc/develop/index.rst @@ -22,6 +22,7 @@ Implementation makefiles menus printf + smbios uefi/index version diff --git a/doc/develop/smbios.rst b/doc/develop/smbios.rst new file mode 100644 index 00000000000..a4efb0a0a38 --- /dev/null +++ b/doc/develop/smbios.rst @@ -0,0 +1,22 @@ +.. SPDX-License-Identifier: GPL-2.0+ + +SMBIOS tables +============= + +The System Management BIOS (SMBIOS) table is used to deliver management +information from the firmware to the operating system. The content is +standardized in [1]_. + +In Linux you can use the dmidecode command to view the contents of the SMBIOS +table. + +When booting via UEFI the SMBIOS table is transferred as an UEFI configuration +table to the operating system. + +To generate SMBIOS tables in U-Boot, the CONFIG_GENERATE_SMBIOS_TABLE option +must be enabled. The easiest way to provide the values to use is via the device +tree. For details see +:download:`smbios.txt <../device-tree-bindings/sysinfo/smbios.txt>`. + +.. [1] `System Management BIOS (SMBIOS) Reference, version 3.5 + `_ -- cgit v1.3.1