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.



--
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