From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jim Lentz <JLentz@zhone.com>
Date: Fri, 16 Dec 2011 09:53:20 -0500
Subject: [U-Boot] fsl_esdhc.c bug
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On 12/16/2011 09:51 AM, Fabio Estevam wrote:
> Hi Jim,
>
> On Fri, Dec 16, 2011 at 11:48 AM, Jim Lentz<JLentz@zhone.com>  wrote:
>> All,
>>
>> There is a bug rendering SDCard support useless on Freescale esdhc
>> controller.
> Which Freescale processor do you use?
>
> Please describe in details the problem you see, how to reproduce it,
> the U-boot version
> that you use, etc.
>
> Regards,
>
> Fabio Estevam
Freescale P2020. Latest U-boot version.

Easiest way to see it is typing mmcinfo at the U-boot cli. It will hang.

By default, PIO mode is selected when CONFIG_P2020 is defined. Legacy 
P2020 silicon revisions require PIO mode.

The esdhc_pio_read_write function has a bad reg pointer.

Jim