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Date:      Wed, 05 May 1999 16:55:37 -0700
From:      Mike Smith <mike@smith.net.au>
To:        Mark Turpin <mturpin@saturn.spel.com>
Cc:        Alpha Mailing list <alpha@freebsd.org>
Subject:   Re: Low level parallel I/O? 
Message-ID:  <199905052355.QAA03318@dingo.cdrom.com>
In-Reply-To: Your message of "Wed, 05 May 1999 19:26:55 EDT." <Pine.BSF.4.05.9905051923090.6677-100000@saturn.spel.com> 

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> 
> Does anyone know how to find the IO address of the parallel port on a
> multia?   

You will have to poke around in the SRM leavings to do that.  You might 
be able to prod the Linux code for some help.  At that point, it should 
be pretty trivial to port the 'ppc' driver to the Alpha.

> Also is it possible, on an alpha, to do
> 
> 	outb(0x378, 0xFF);
>              ^^^^^----- Or whatever address
> 
> to set the parallel port data lines high?

Once you have 'ppc' ported, you can use 'ppi' to do that sort of thing.

-- 
\\  Sometimes you're ahead,       \\  Mike Smith
\\  sometimes you're behind.      \\  mike@smith.net.au
\\  The race is long, and in the  \\  msmith@freebsd.org
\\  end it's only with yourself.  \\  msmith@cdrom.com




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