Re: ATA port addresses

From: Alan Cox
Date: Fri Apr 29 2005 - 10:32:59 EST


On Gwe, 2005-04-29 at 16:00, john doe wrote:
> What I need to know is the port address space for the
> ATA device. Specifically the port address space of
> the command bloc registers.

Its architecture and board dependent. Linux will let you issue IDE
taskfile command blocks via ioctls so you can avoid poking the hardware
(and poking the hardware will upset the ide driver..)


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