On Mon, 2008-01-21 at 18:12 -0800, Robin H. Johnson wrote: > On Sun, Jan 20, 2008 at 02:15:29PM -0500, Alex Deucher wrote: > > On Jan 20, 2008 7:07 AM, Robin H. Johnson <[EMAIL PROTECTED]> wrote: > > > On Sat, Jan 19, 2008 at 11:39:56PM -0800, R.C. wrote: > > > > Does anyone know of a way to run Linux on this machine with this card? > > > At the low-level, there are some glitches. See if you can access the PCI > > > ROM on your card at all. In the case of the X1900 in my Quad G5, the > > > entire PCI ROM shows up as empty, so all of the AtomBIOS initialization > > > code fails in both the xf86-video-ati and xf86-video-radeonhd drivers. > > > > > > I last tested about 2 weeks ago, I'm not sure if any progress has been > > > made in on either set of drivers since then. radeonhd used to have a > > > function specifically for reading the ROM from the non-primary card, > > > that probably needs a bit more TLC (and help from ATI), but should then > > > manage to extract the ROM. > > > > There are several issues: > > > > 1. Mac cards don't have ATOM bios, they have some mac specific rom, so > > they will likely never work with the current drivers. > Notice per my previous posts, that all means of reading any ROM on the > X1900 have turned up only nulls or no data. This includes the sysfs rom > node as well as the radeonhd functionality to read ROMs thus far. > > It's the fact that it reads back as all zeros that concerns me - not > even getting back a copy of the OFW-specific ROM.
Again, the driver currently can't get any useful information from OFW ROMs anyway. > > 2. the ATOM parser isn't currently big endian aware > > Once the ATOM parser is fixed for big endian any PC card should work. > The secondary card in my G5 is an X700, so when you think you have the > endian parsing fixed, give me a shout, and I can test. I didn't think X700s had ATOM BIOS ROMs either, do they? -- Earthling Michel Dänzer | http://tungstengraphics.com Libre software enthusiast | Debian, X and DRI developer _______________________________________________ xorg-driver-ati mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-driver-ati
