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From: Clemens Koller <clemens.koller@anagramm•de>
To: Nicholas Hickman <nhickman@dtechlabs•com>
Cc: linuxppc-embedded@ozlabs•org
Subject: Re: SPI INT line
Date: Sat, 15 Sep 2007 15:42:27 +0200	[thread overview]
Message-ID: <46EBE143.60106@anagramm.de> (raw)
In-Reply-To: <8140AAF341CC904BA92C3D6A5A1909782F0E9D@ditech-1.ditechllc.com>

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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      reply	other threads:[~2007-09-15 13:42 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-14 19:26 SPI INT line Nicholas Hickman
2007-09-15 13:42 ` Clemens Koller [this message]

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