pl011 UART driver (as used on Raspberry Pi) baud rate divisor

[Steven Lawrance]

Excerpts from Jakob Alvermark's message of 2013-10-21 22:31:32 +0200:
> On Sun, October 20, 2013 17:25, Steven Lawrance wrote:
> > this patch allows it to work on an i.MX233 with a fixed 24MHz
> > clock frequency and it obeys the values in the FDT.
> 
> This makes me curious, FreeBSD on i.MX233?
> I happen to have a board lying here...

I have just been playing around in my spare time and haven't gotten
too far yet.  The board I'm using is an OLinuXino-MINI-WiFi from
Olimex.  At the moment, it always panics somewhere very early in the
boot, e.g.: http://pastebin.com/UmkcxpUd

Steven