Re: Programming BIOS with Flash Programming Tool from UEFI shell

you probably need to look at Kconfigs MRC_SETTINGS_PROTECT
and SOC_INTEL_COMMON_PCH_LOCKDOWN

On Thu, Nov 16, 2023 at 7:43 AM Moorthi M.s <[email protected]>
wrote:

> Hi,
>
> I am developing coreboot along with Uefipayload for a custom board derived
> from CFL H RVP11 CRB.
>
> Modifications are done as per the custom board and the board was booted
> and working fine.
>
> I tried to reprogram the BIOS flash with FPT (Flash Programming Tool) from
> UEFI shell throws the below error and the operation failed.
>
> "Error 167: Protected Range Registers are currently set by BIOS,
> preventing flash access".
>
> What are the configurations need to be done in coreboot to allow program
> BIOS image with the FPT tool from UEFI shell?
>
> Thanks & Regards,
> Moorthi S
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