diff options
Diffstat (limited to 'doc/develop')
| -rw-r--r-- | doc/develop/index.rst | 1 | ||||
| -rw-r--r-- | doc/develop/smbios.rst | 22 |
2 files changed, 23 insertions, 0 deletions
diff --git a/doc/develop/index.rst b/doc/develop/index.rst index 97148875ef..93ebfa485f 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 0000000000..a4efb0a0a3 --- /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>`_ |