Re: [Qemu-devel] [6271] Use ESCC for PowerMac serial

[Laurent Vivier]

Le 13 janv. 09 à 18:28, Aurelien Jarno a écrit :
> > > [...]
> > > 0x80013000 is in the middle of the PCI space, so you are hitting  
> > > another
> > > device, probably the VGA card. 0x7f013000 is unused but we have to  
> > > limit
> > > the memory to 2032MiB
> >
> > How about some higher address then, like 0xef013000?
>
> The PCI space uses 80000000-fdffffff. The ISA IO space uses
> fe000000-fe0200000. OpenBios uses 0xfff00000-0xffffffff. This leaves
> very few possibilities.
>
> Alternatively we can map the whole MacIO device at a fixed location
> which also makes the location of the serial ports fixed. The G3 beige
> uses f3000000-f307ffff for the MacIO device.


According to the mac-io "reg" property of the beige device-tree this  
value seems hardcoded in the hardware, so perhaps Qemu can do the same  
thing ?

Laurent
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