Powerpc: bsp_reset()

Matt Rippa mrippa at gemini.edu
Tue Jan 27 18:23:53 UTC 2009

Till Straumann wrote:
> Matt Rippa wrote:
>> Hi Kate -
>> Bits [7:3] are reserved defaulting to 00100, and bit 2 is read 
>> only so I don't think it matters. But I agree it was sloppy.
>> Interesting though, the Data Sheet I found was the W83C553F. It 
>> specifies bit 1 as "Alt A20", and Bit 0 as "Hot Reset". I've 
>> only tried setting bit 1. Does this make sense to anyone?
> Maybe it late at night (either for me or for you) but
> I'd say outb(1,0x92) is setting bit 0...

Ouch. What was I thinking?!! Perhaps I was working too much... 
Or the volcanic emission from Kilauea (the VOG) is simply 
driving me mad.

In any case, hopefully the patch is sufficient to make the next 


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