Could you or Soda-san **please** e-mail or fax me the data sheets for the
R4030???  It would help matters immensely.

-Mark

On Sat, Feb 24, 2001 at 12:40:59PM +0900, Toru Nishimura wrote:
> Mark Abene <phiber@radicalmedia.com> wrote;
> 
> > I'm running into some difficulties converting the mipsco asc driver-glue...
> > It makes extensive use of the Rambo ASIC's DMA FIFO, but to my knowledge
> > the R4030 ASIC has no such FIFO, just the address of a buffer.
> > Can anyone lend any guidance on how I should deal with this?  I don't have
> 
> Ask soda. He knows who should be blamed about NetBSD/arc.
> 
> > any R4030 docs, I'm just working with what I can piece together from header
> > files and current code...
> 
> RAMBO ASIC is a pretty tiny DMA engine.  It has just 2CH, one for ASC
> I/O and another for monochrome output. Yes, R3000 Magnum monochrome
> framebuffer is placed in DRAM reserving a segment of memory.  How many
> person can enumulate such kind of cost effecificently designed
> computers in history?
> 
> ARC chipset (R4030 and variations, NEC produced its own run) is
> different and complicated animal.  DMA engine uses array of TLB entries
> to run Scatter-Gather I/O.
> 
> Tohru Nishimura