Subject: Re: Further pmax changes to -current: breakage to be expected
To: Takuya Koumoto <takuya-k@is.aist-nara.ac.jp>
From: Bill Studenmund <skippy@macro.stanford.edu>
List: port-pmax
Date: 03/26/1998 09:15:23
On Thu, 26 Mar 1998, Takuya Koumoto wrote:

> Can I assume that there is almost no difference on the
> hardware implementation around the Z8530 between TC-Alphas
> and PMAXs? If so, I think the parameter for wr11 is invalid
> to initialize the channel A(keyboard and mouse). For alpha,
> I have changed it from
> 
>  	value = ZSWR11_RXCLK_BAUD | ZSWR11_TXCLK_BAUD |
> 		ZSWR11_TRXC_OUT_ENA | ZSWR11_TRXC_BAUD;
> 
> to
> 
>  	value = ZSWR11_RXCLK_BAUD | ZSWR11_TXCLK_BAUD;
> 
> in cold_sccparam(). This is derived from the zs driver of
> other architectures.

What's tied to A-TxC on these machines? I think you're right that it might
be bad to have the clock going out there, but sys/arch/pmax/tc/scc.c
doesn't mention anything there...

Take care,

Bill