Re: [PATCH] yenta: irq-routing for TI bridges

David Hinds
2004-02-24T16:38:26Z

On Tue, Feb 24, 2004 at 12:40:11PM +0000, Russell King wrote:
>
> Not true. It has parallel ISA interrupts _and_ parallel PCI interrupts.
> It's a TI 1250. Unfortunately, the 1250 data sheet isn't available,
> however there seems to be some consistency in the device codes to
> features offered.

I have a TI 1250 data sheet (well 1250A, which is what I think you
actually have).

> The 1450 and 1251A (both of which seem similar to 1250) has separate pins
> for PCI parallel interrupts which are outside the control of the "IRQMUX"
> register. When these pins are not used for parallel PCI interrupts,
> they function as "GPIO3" and "IRQSER" (for PCI serial interrupts)
> respectively. The function of these pins is controlled by the device
> control register.

The 1250A is the same.

-- Dave