Subject: Re: lcd driver
To: None <marius@alchemy.franken.de>
From: Ted Unangst <tedu@stanford.edu>
List: port-cobalt
Date: 11/26/2001 14:48:59
On Mon, 26 Nov 2001 marius@alchemy.franken.de wrote:
> the lcd is Device3 on the "Ad"-bus (memory + local devices) of the Galileo
> MIPS system-controller, nbsd "sees" "Ad"-bus plus "SysAd"-bus (CPU) together
> as "mainbus0" and you really can make the display(-controller) attach to
> mainbus0
>
> the default address mapping, that Cobalt didn't change, of the local
> devices is:
> Device0 0x1c000000 (used for leds)
> Device1 0x1c800000 (unused afair)
> Device2 0x1d000000 (used for buttons)
> Device3 0x1f000000 (used for lcd control-port)
>
> use the MIPS_PHYS_TO_KSEG1-macro....
Thanks. At the time I didn't have the documentation, but it's due for an
overhaul now.
--
"People blame me because these water mains break, but I ask you,
if the water mains didn't break, would it be my responsibility to
fix them then? WOULD IT!?!"
- M. Barry, Mayor of Washington, DC