Subject: Re: Jensen ahb (old revision) problems
To: Hans-Juergen Bergmann <hbergman@acm.org>
From: David Brownlee <abs@netbsd.org>
List: port-alpha
Date: 11/16/2000 20:28:10
On Mon, 6 Nov 2000, Hans-Juergen Bergmann wrote:

> Hello list,
>
> did anyone (Jason ???) have time to look into the ahb /Jensenio/EiSA
> driver.
>
> I had tracked down the problem on not getting a valid return on the irq
> status
> in the 1742 driver irq routine:
>
>
>  if ((bus_space_read_1(iot, ioh, G2STAT) & G2STAT_INT_PEND) == 0)
>
>                 return 0;
>         /* this point is never reached ! */
>
> always receives a 0 status and thus always returns without doing
> anything or clearing the interrupt. I have the Jensen manual but I
> really do not know where to start looking for the problem (Problems with
> the EISA bus code ???).

	Not that I have any EISA clues :), but do you have any
	other EISA devices functioning on the machine which could be
	used to compare?


                David/absolute
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