[PATCH] pc386 BSP: initialization of PCI bus

[Karel Gardas]

Joel Sherrill wrote:

> Keith Robertson wrote:
> > Karel Gardas wrote:
> >
> >> IIRC Gregory Melke recommended to initializa PCI bus in bsp_startup
> >> function of pc386 BSP early this year. Attach patch tries to implement
> >> this. It is tested on two x86 systems one with 3C905C-TX and other
> >> with Intel's Ethernet NICs.
> >>
> >> Since till now, initialization of PCI bus was done in appropriate
> >> device driver on pc386 BSP, I hope it is right to place its
> >> initialization after all needed initializations of IRQ and exceptions
> >> management code.
> >
> >
> > Karel,
> >
> > Do you happen to know if this patch causes any problems on pc386 bsps
> > without a PCI bus?  Personally, I'm particularly interested in qemu with
> > the -isa (aka no pci) option.   However, there's likely(?) other setups
> > without PCI.
>
> That is an issue which would be nice to know the answer to.

Guys,

OK, I've tested qemu with PCI and qemu w/o it (using -isa option) and my 
test (Hello World example) runs happily in both cases, with just the 
warning message about inability to initialize PCI BIOS interface in the 
second case.

Cheers,
Karel
--
Karel Gardas                  kgardas at objectsecurity.com
ObjectSecurity Ltd.           http://www.objectsecurity.com