Subject: Re: ppcoea-renovation update (hackathon6)
To: Robert Swindells <firstname.lastname@example.org>
From: Matt Thomas <email@example.com>
Date: 05/09/2007 16:46:25
On May 9, 2007, at 2:46 PM, Robert Swindells wrote:
> Tim Rightnour wrote:
>> This is a quick update of the branch status, as well as the
>> results from the
>> 1) extr_intr unification. Mostly done. Prep and macppc have been
>> converted to the new shared pic code. Generic handlers have been
>> written for i8259, prepivr, and openpic. Still remaining is
>> conversion of other ports.
>> Even though the hackathon is officially over, the branch is still
>> open, and work continues. Now that macppc and prep are mostly
>> converted, these can serve as examples to anyone wanting to try to
>> take on a port.
> How is the new interrupt code designed to be used on systems that have
> interrupt enables and masks split over multiple registers ?
> There is an example in powerpc/marvell.
I'm converting marvell. You can make then independent or cascade them.
For instance, I'm cascading the GPIOs off the main marvell interrupt
which I'm treating as one 64bit register.