On 12/18/10 6:01 AM, Tadas S wrote:
I have inserted USB2.0 pci extension card to msi
The problems appear when I try to boot from USB flash drive attached
to that controller. If coreboot detects that controller as EHCI, the
boot fails just at FILO.
If coreboot detects it as UHCI, the boot is successful, but very slow
and OS don't show any signs of EHCI controller.
It looks like swapping flash drive to other ports of controller, makes
controller detection different (UHCI or EHCI).
If there's no flash drive, it looks like it always detect it as EHCI
Is busmastering enabled on your EHCI controller?
May it be the problem with interrupt routing? I used
file that I have extracted from original bios some time ago.
But with current tree's file the situation is similar (attached
The FILO drivers use no interrupts.