Re: ATI Mach64 Kernel driver.

Vladimir Dergachev (vdergach@sas.upenn.edu)
Sun, 29 Nov 1998 18:24:36 -0500 (EST)


On Sun, 29 Nov 1998, Geert Uytterhoeven wrote:

> On Sun, 29 Nov 1998, Antti Andreimann wrote:
> > Yesterday I installed 2.1.130 kernel. After sucessful compile and install
> > the kernel did not boot. It stopped with invalid pointer in aty_init function.
> > I have ATI RagePro with 8Mb of memory. Is this Mach64 Framebuffer driver
> > supposed to be faulty or is there something I can do to help fixing it.
> > (Do some dumps/tests e.t.c).
>
> >From reading all those reports about the driver, it looks like ioremap()
> behaves different on ia32 than on PPC and SPARC64...
>
> Greetings,

Maybe maybe... The reason I decided to try the driver out is bc in it's
aty.h file it has a list of registers including I2C_CONFIG0. Now this
register is supposed to be used to configure stuff like tuners and
decoders - and I couldn't make it work like that. Besides some other
registers have different addresses from regmach64.h (from Xfree86).

So it could be very well that ATI makes different register addresses for
it's MAC and IBM versions..

Of course, I'll be much more happy if ioremap was just screwing up..
since it would mean I'll have access to I2C bus.

Vladimir Dergachev

>
> 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
>
>
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