Subject: Re: SPI INT line

From: Clemens Koller <[email-masked]>
Date: Sat, 15 Sep 2007 15:42:27 +0200

Nicholas Hickman schrieb:
> We are developing a system around the mpc8270.  On this system we are
> using an ISDN controller connected to the SPI interface of the 8270.
> For the INT line coming from the controller, should this be connected to
> one of the IRQ lines that we typically use for PCI bus, or should we
> connect it to one of the GPIO Group C pins?  Currently we have it to
> IRQ4, but I am worried that this is incorrect.

I would use an otherwise unused (even in reference 82xx platforms)
IRQ line and have a look into the kernel and see which
IRQs are free so minimize/eliminate extra patches.

Regards,
-- 
Clemens Koller
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