While doing the internal flashrom operations, that BIOS chip is
situated behind a southbridge that you find by AMD FP4 name. Looks
like either its' support isn't good enough at flashrom or UEFI
firmware / EC controller somehow disturb the operation. Maybe try to
access a BIOS chip directly with the external programmer like usb
ch341a?

ср, 9 сент. 2020 г. в 10:52, Clay Daniels <clay.daniels...@gmail.com>:
>
> I'm just trying to read what bios info I can:
>
> MSI X570-A PRO (MS-7C37)
> AMD Ryzen 7 3700X
> FreeBSD fbsd13 13.0-CURRENT FreeBSD 13.0-CURRENT
>
> root@fbsd13:~ # flashrom -p internal
> flashrom v1.2 on FreeBSD 13.0-CURRENT (amd64)
> flashrom is free software, get the source code at https://flashrom.org
>
> Using clock_gettime for delay loops (clk_id: 4, resolution: 1ns).
> Found chipset "AMD FP4".
> Enabling flash write... FCH device found but SMBus revision 0x61 does not 
> match known values.
> Please report this to flashrom@flashrom.org and include this log and
> the output of lspci -nnvx, thanks!.
> Could not determine chipset generation.PROBLEMS, continuing anyway
> No EEPROM/flash device found.
> Note: flashrom can never write if the flash chip isn't found automatically.
>
> pciconf -lvb output attached, as well as flashrom -V -p internal (the verbose 
> version)
>
> My first question is: It looks to me that "AMD FP4" is just a BGA (FP4) 
> Socket, not a chip. Newbie to flashrom & coreboot.
>
> Thanks,
> Clay
>
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