On Sun, Dec 11, 2022 at 01:57:13PM -0500, Daniel Dickman wrote: > I have a laptop with these Transmeta devices: > > pchb0 at pci0 dev 0 function 0 vendor "Transmeta", unknown product 0x0060 rev > 0x00 > ppb0 at pci0 dev 1 function 0 vendor "Transmeta", unknown product 0x0061 rev > 0x00 > > NetBSD describes device 0061 as the integrated North Bridge, but I think > this is incorrect as this is actually an AGP bridge: > > product TRANSMETA TM8000NB 0x0061 TM8000 Integrated North Bridge > > The PCI repository has these entries, which I feel is more correct than > NetBSD: > > 0060 TM8000 Northbridge > 0061 TM8000 AGP bridge > > However, reading the "Efficeon BIOS Programmers Guide", I chose to > describe device as 0060 as HyperTransport instead. > > The Efficeon processor has a virtual north bridge that can communicate > with the south bridge over HyperTransport and can communicate with the > graphics controller over an AGP bridge. For reference, see Chapter 2, > Figure 1 showing the system block diagram. > > Some contemporaneous news coverage on HyperTransport is available here for > reference: > https://www.eetimes.com/transmeta-links-next-generation-processor-to-hypertransport/ > > ok?
ok jsg@ > > Index: pcidevs > =================================================================== > RCS file: /cvs/src/sys/dev/pci/pcidevs,v > retrieving revision 1.2014 > diff -u -p -u -r1.2014 pcidevs > --- pcidevs 4 Dec 2022 03:13:52 -0000 1.2014 > +++ pcidevs 11 Dec 2022 18:51:04 -0000 > @@ -9030,6 +9030,8 @@ product TOSHIBA2 TFIRO 0x0701 Infrared > product TOSHIBA2 SDCARD 0x0805 SD > > /* Transmeta products */ > +product TRANSMETA TM8000_HT 0x0060 TM8000 HyperTransport > +product TRANSMETA TM8000_AGP 0x0061 TM8000 AGP > product TRANSMETA NB 0x0295 Northbridge > product TRANSMETA LONGRUN_NB 0x0395 LongRun Northbridge > product TRANSMETA SDRAM 0x0396 SDRAM > >
