Re: LPC bus in a geode sc1200

From: Lennart Sorensen
Date: Tue May 09 2006 - 10:29:25 EST


On Tue, May 09, 2006 at 11:11:17AM +0200, Carlos Ojea Castro wrote:
> I wrote a driver to use LPC bus in a geode sc1200. For now I am able
> to transmit an read or write "I/O cycle" to the LPC.
> What I want to do now is to read or write to the LPC using a "Memory cycle".
>
> Anyone knows how can I archieve this?
> is there another list more suitable for my question?

The LPC bus is the same as ISA as far as software is concerned. You
just read and write to it, or do DMA or whatever you want.

I have an FPGA on port 0x500 on the LPC bus of an sc1200, and I just
read and write the registers there the same as any other hardware.

Len Sorensen
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/