Rockbox mail archiveSubject: Re: Hardware problems on my Studio 10 shortly after flashing Rockbox 2.4 (Panic ATA: -11)
Re: Hardware problems on my Studio 10 shortly after flashing Rockbox 2.4 (Panic ATA: -11)
From: Linus Nielsen Feltzing <linus_at_haxx.se>
Date: Wed, 06 Apr 2005 06:58:01 +0200
Fernando Pedro Birra wrote:
> Is there any place where I can read how the player talks to the disk?
The schematics and the source code.
> Following the code that generates the error ATA -11 I can see that
> neither STATUS_RDY nor the STATUS_BSY were reported during the
> master_slave_detect() function. Is there any hardware between the CPU
> and the disc that handle the ATA protocol?
Only a buffer, controlled by a port pin, PA7.
> Am I mistaken that the ATA status is memory mapped into location
> ATA_IOBASE+0x07? I can't find any information on the CPU .pdf
> regarding this location...
The schematics say it all, but it isn't exactly obvious. Yes, you are
correct, it's memory mapped.
Received on 2005-04-06