Date: Tue, 27 Jun 2006 12:51:26 -0700 From: Peter Grehan <grehan@freebsd.org> To: matt@genesi-usa.com Cc: freebsd-ppc@freebsd.org Subject: Re: FreeBSD 6.0 on Pegasos/ODW Message-ID: <44A18C3E.6090507@freebsd.org> In-Reply-To: <025101c69a0a$32fc16d0$99dfdfdf@bakuhatsu.net> References: <025101c69a0a$32fc16d0$99dfdfdf@bakuhatsu.net>
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>> Is there a serial port on the Pegasos ?
>
> Yep. Standard PC serial UART, at the standard PC IO addresses.
It should be possible to get the uart(4) driver to use this but it
will take some work.
> Going to do a boot -v now.
>
> Nope, no difference. kernel loaded at 0x13078 or so, then ddb
> messages, then Cpppppppppppppppp. No other messages.
>
> As for the open firmware console, not sure if it works or not. We are
> using a beta firmware for testing which has framebuffer support and
> it would definitely be nice to support that, but if not just plain
> text to a plain text console is okay (writing to the openfirmware
> stdout equivalent)
The framebuffer console makes some assumptions:
- the framebuffer is linear
- it is set up by the firmware with a 1:1 virt-phys mapping so it can
be BAT-mapped later
- the depth must be 8 or 32 (16 not supported)
- it can be located in the openfirmware tree with:
chosen = OF_finddevice("/chosen");
OF_getprop(chosen, "stdout", &stdout, sizeof(stdout));
node = OF_instance_to_package(stdout);
OF_getprop(node, "device_type", type, sizeof(type));
if (strcmp(type, "display") != 0)
return (0);
... and the node must have height, width, linebytes and address
properties.
later,
Peter.
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