ISA DMA

[Geert Uytterhoeven]

On Thu, 20 Dec 2001, Adrian Cox wrote:
> David Müller (ELSOFT AG) wrote:
> > What south bridge do you use? Some of the newer ones offer 32bit
> > addressing capability for DMA.
>
> Via686a. As I understand it, 32-bit DMA uses the DMA_HI_PAGE_x registers
> from 0x487 to 0x48a, and the Via manual doesn't claim to have any
> registers in that range. The only 32-bit DMA southbridge I've
> encountered is the Winbond chip on the Sandpoint, and that chip doesn't
> have UDMA66, USB, and audio.

And the Winbond South Bridge on the LongTrail (most probably the same chip).

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds


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