36 lines · plain
1What: /sys/firmware/lefi/boardinfo2Date: October 20203Contact: Tiezhu Yang <yangtiezhu@loongson.cn>4Description:5 Get mainboard and BIOS info easily on the Loongson platform,6 this is useful to point out the current used mainboard type7 and BIOS version when there exists problems related with8 hardware or firmware.9 10 The related structures are already defined in the interface11 specification about firmware and kernel which are common12 requirement and specific for Loongson64, so only add a new13 boardinfo.c file in arch/mips/loongson64.14 15 For example:16 17 [loongson@linux ~]$ cat /sys/firmware/lefi/boardinfo18 Board Info19 Manufacturer : LEMOTE20 Board Name : LEMOTE-LS3A4000-7A1000-1w-V01-pc21 Family : LOONGSON322 23 BIOS Info24 Vendor : Kunlun25 Version : Kunlun-A1901-V4.1.3-2020041409393826 ROM Size : 4 KB27 Release Date : 2020-04-1428 29 By the way, using dmidecode command can get the similar info if there30 exists SMBIOS in firmware, but the fact is that there is no SMBIOS on31 some machines, we can see nothing when execute dmidecode, like this:32 33 [root@linux loongson]# dmidecode34 # dmidecode 2.1235 # No SMBIOS nor DMI entry point found, sorry.36