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SubjectRe: [PATCH] PCI updates - 32-bit IO support
David S. Miller wrote:

> From: "H. Peter Anvin" <hpa@zytor.com>
> Date: 19 Dec 2001 19:37:46 -0800
>
> You probably need to verify that 32-bit support is available (both on
> the bridge and the peripherals), but if they are, there's no reason
> not to use it on non-x86 architectures...
>
> Don't the PCI specs actually talk about 24-bits in fact?
>


No. IOIO is 32 bits on PCI; however, it is legal to hardwire the top 16
bits to zero. It's something like 26 bits on HyperTransport.

-hpa


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