Re: 53c7,8xxx.c driver

Mr. James W. Laferriere (babydr@baby-dragons.com)
Sun, 8 Nov 1998 11:22:10 -0800 (PST)


Hello Gerard, See Below .

On Sun, 8 Nov 1998, Gerard Roudier wrote:
> On 8 Nov 1998, Marc SCHAEFER wrote:
> > Marc SCHAEFER <schaefer@alphanet.ch> wrote:
> > > is the 53c7,8xxx.c still developped ?
> >
> > To followup on me, I saw that there is:
>
> Will leave you with your opinion about these drivers. ;-)
>
> > - 53c7,8xxx.c driver
>
> Supports some 53C8XX chips but not 7XX chips.
>
> Does not support, in particular, the following features:
>
> - Tagged Commands
> - Wide SCSI
> - On-chip RAM for SCRIPTS.
> - PCI cache-line optimizations.
> ...
>
> Is very 7XX/8XX generic and so can be hacked easily to support old 7XX
> chips.
>
> Note, that if I ever think it is worth it I may support at least 720/770
> chips for EISA in the ncr53c8xx driver.
> For 710/ISA there is no chance at all. Just thinking that DMA is performed
> through the ISA/BUS disqualified the thing.

Please don't , If anything is needed it is a seperate driver
for these chips . Just my opinion .

> > - ncr53c7xx.c driver
> > this one looks to be the 53c7,8xxx.c modified to work with a big
> > endian plateform (Amiga). It looks like it has the same reliability
> > problems as 53c7,8xxx.c, but it probably supports the 710 chip.
>
> It seems to be able to. You have to implement the detection routine for
> your platform. It should support little-endian too.

tia, JimL
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