Re: Porting the Digi driver

Riccardo Facchetti (fizban@mbox.vol.it)
Thu, 6 Feb 1997 21:31:31 +0100 (MET)


On Thu, 6 Feb 1997, Ronnie Sanford wrote:

> Here is the line it fails on :
> ch->txptr = memaddr + (((bc->tseg) << 4) & 0x1fffff);
[...]
> Has the mapping changed here ? Do we need to do something similar to the way
> PCI address are handeled with an ioremap command ? If this is not correct
> how do you go about referencing physical memory.

Try look at Documentation/IO-mapping.txt

Ciao,
Riccardo.