Re: [2.6 patch] select ATA_SFF

From: Sergei Shtylyov
Date: Thu Apr 24 2008 - 11:32:53 EST


Alan Cox wrote:

If you mean SFF-8038i (which can indeed be named "SFF/Intel"), it
documents *only* BMDMA. If you mean something else, please be more precise.

It documents where the PIO spaces are mapped, the class codes and then

I'd like to know what do you mean by "it" since it's certainly not in 8038i spec I have.

documents the rest by inheriting it from the other specs. That makes it
the definitive spec for PCI "standard" controllers both PIO and DMA and

That looks like ""Intel PCI IDE Controller Specification".

it is indeed followed literally by just about every PCI ATA controller
except the CS5520

You probaly mean PC targeted controllers, since quite many non-PC chips do ignore that spec (IOC4, PowerMac, Toshiba SCC)... As for CS5520, what's the deviation here -- BMDMA regisrters at BAR2 only?

Alan

MBR, Sergei
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