[PATCH] yenta: irq-routing for TI bridges

David Hinds dhinds at sonic.net
Tue Feb 24 08:38:01 GMT 2004

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

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