[U-Boot] Hang when enabling DCache on a iMX6 board

[Anatolij Gustschin <agust@denx.de>]

Hello Boris,

On Tue, 3 Feb 2015 19:39:16 +0100
Boris Brezillon <boris.brezillon@free-electrons.com> wrote:

> Hello,
> 
> I'm currently porting the SECO iMX6 uQ7 board to mainline, but I'm
> facing a hang when enabling DCache (CONFIG_SYS_DCACHE_OFF undefined).
> Last week I asked on the #u-boot chan if anybody already encountered
> such a bug, and someone (named malik) suggested to check my DDR timings.
> 
> After a few more tests and checks I decided to port my changes to an
> older version (2014.04), and it apparently works.
> I haven't bisected to find the exact commit that makes it fails yet,
> but before doing that I'd like to know if anyone else already
> experienced this kind of problem, or has any idea of what could cause
> this.

I've seen similar problem when porting to v2014.04. The problem
disappeared after including the mx6_common.h in the board config
file. This header file contains some errata configs, so please try
with

#include "mx6_common.h"

in your board config file.

HTH,

Anatolij