[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: Phase 5 Statement on Linux for PowerPC



On Thu, 19 Aug 1999, Phillip R. Jaenke wrote:
> On Thu, Aug 19, 1999 at 03:45:48PM +0200, Geert Uytterhoeven wrote:
> > 
> > It's not that simple: AGP belongs on the host bridge. It's not like a PCI/ISA
> > bridge. VIA makes ia32 host bridges only.
> 
> It's my understanding that the AGP goes on the south bridge, as opposed to the
> north bridge. I honestly don't know which of those is host vs whatever. I'm not
> a chipset guy *that* much. ;)  Anyways, either way, the basic code should be 
> adaptable to PowerPC. So long as we can get pin-for-pin electronic compatibility
> and we can get any AGP-specific instructions ported, we'll be okay.

The host bridge == north bridge, PCI/ISA bridge is south bridge. The north
bridge bridges between CPU, memory, PCI, and optionally AGP and L2 cache.

Greetings,

						Geert

--
Geert Uytterhoeven                     Geert.Uytterhoeven@cs.kuleuven.ac.be
Wavelets, Linux/{m68k~Amiga,PPC~CHRP}  http://www.cs.kuleuven.ac.be/~geert/
Department of Computer Science -- Katholieke Universiteit Leuven -- Belgium


Reply to: