[parisc-linux] ISA memory access

Jochen Friedrich jochen@scram.de
Wed, 19 Dec 2001 07:44:25 +0100 (CET)


Hi Matthew.

> not from my memories of the mongoose docs.  unfortunately, i don't have
> access to those again until jan 10th or so.  how does the driver access
> the card?  readb/writeb or dma?

It is pure readb/writeb. 

I also let the driver create a memory dump during initialization time and 
the dump shows stripes of 0xFF from 0xD0000-0xD00FF, 0xD0400-0xD04FF, etc 
(addresses are ISA space), while the card firmware seems to initialize all 
memory to 0x00.

Cheers,
Jochen