[coreboot] Hiding a PCI device
yinghailu at gmail.com
Thu Feb 28 19:27:32 CET 2008
On Thu, Feb 28, 2008 at 9:26 AM, ron minnich <rminnich at gmail.com> wrote:
> On Thu, Feb 28, 2008 at 8:18 AM, Baski <kbaski at yahoo.com> wrote:
> > Hello,
> > Is there a way in LB to hide a PCI device from the OS? I want to prevent
> > linux from loading the device driver automatically for a particular PCI
> > device. (Similar to a device behind a bridge). I don't want to do any
> > tweaks in linux.
> I have not tried this lately. But it used to be the case that if all
> the BARs were 0, Linux would assume the device was "not enabled".
kernel will try to assign resource for these unassigned BARs. because
it doesn't trust BIOS. think BIOS mess it up.
may add one command line option to stop that.
More information about the coreboot