Re: Request for Guidance on Coreboot Porting for Raptor Lake-S RVP + DDR5 Motherboard

Hi Keshavamurthy,

Am 16.06.26 um 14:12 schrieb Keshavamurthy K [Firmware-NTL] via coreboot:
> Would it be safe and appropriate to flash a Coreboot ROM generated from 
> the ADL_RVP configuration directly onto the Intel ADL RVP DDR5 board for 
> early testing, or would you recommend first creating a dedicated 
> mainboard port and adapting the GPIO, memory, PCIe, and board-specific 
> configuration before attempting any flashing?

You absolutely need to adapt GPIO configuration. Not doing so may cause 
permanent hardware damage, if GPIOs are mismatched in a way that your 
firmware drives a GPIO pin while it's externally driven, too.

There should not be any dangerous issues because of memory or 
PCIe-related configuration, but you can also not expect that it'll just 
work.

I'd do the porting beforehand, you'll need to do it anyway.

Best,
Florian


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Florian Jung
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