Subject: Re: Pegasos frame buffer (was: map_isa_ioregs)
To: Matt Sealey <matt@genesi-usa.com>
From: Frank Wille <frank@phoenix.owl.de>
List: port-ofppc
Date: 11/11/2007 21:47:41
Matt Sealey wrote:
> If you must mess around and need a graphical framebuffer, try this;
Just as a fallback, when no real framebuffer driver is available. The Radeon
driver works perfectly on my Pegasos.
> 1) boot the system
> 2) somewhere in NetBSD, use vesa-set-mode with the correct value for the
> required framebuffer console mode 3) vesa-frame-buffer-adr will report
> the address, set the framebuffer address
> in the display node if you need to keep it around
Indeed. This seems to work. But unfortunately there is no way to manipulate
the color map for 8-bit modes.
> It's probably best not to use the VESA stuff outside of the OF console
> (i.e. ofwboot, or a forth script, or manually typing it) and using it
> forfeits your use of the text mode console and the tty emulator so you
> must have a framebuffer console (wscons?) available.
It is available.
--
_ Frank Wille (frank@phoenix.owl.de)
_ // http://sun.hasenbraten.de/~frank/
\X/ Phx @ #AmigaGer