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| author | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2022-02-16 07:59:31 +0100 |
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| committer | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2022-02-26 07:37:00 +0100 |
| commit | 5e04435970b13c512cf05147a8b3ea6625458645 (patch) | |
| tree | 9a1841cc5f0ca4dd56953007f153019c3be547ec /doc/develop/smbios.rst | |
| parent | c6ae38b38967a5c33d729c20e508a03ba3e0e3f6 (diff) | |
| download | u-boot-5e04435970b13c512cf05147a8b3ea6625458645.zip u-boot-5e04435970b13c512cf05147a8b3ea6625458645.tar.gz u-boot-5e04435970b13c512cf05147a8b3ea6625458645.tar.bz2 | |
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 <heinrich.schuchardt@canonical.com>
Diffstat (limited to 'doc/develop/smbios.rst')
| -rw-r--r-- | doc/develop/smbios.rst | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/doc/develop/smbios.rst b/doc/develop/smbios.rst new file mode 100644 index 0000000..a4efb0a --- /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 + <https://www.dmtf.org/content/dmtf-releases-smbios-35>`_ |