[LinuxBIOS] lpci_set_subsystem question

Stefan Reinauer stepan at coresystems.de
Wed Aug 15 23:10:09 CEST 2007

* Marc Jones <marc.jones at amd.com> [070815 23:01]:
> Shouldn't the PCI config register always be 0x2c (subsystem ID register) 
> like in the last example (bcm5780_sb_pci_main.c)? Should these functions 
> even be there since there is a stock pci_dev_set_subsystem() that seems 
> to be correct?

I think on some systems 2c is always read-only, while on others it is
read/write or read-once. Those with read-only 2c have a writable
register that mirrors the value to 2c.

Not sure if that's the case here.

coresystems GmbH • Brahmsstr. 16 • D-79104 Freiburg i. Br.
      Tel.: +49 761 7668825 • Fax: +49 761 7664613
Email: info at coresystems.dehttp://www.coresystems.de/
Registergericht: Amtsgericht Freiburg • HRB 7656
Geschäftsführer: Stefan Reinauer • Ust-IdNr.: DE245674866

More information about the coreboot mailing list