From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marex@denx.de>
Date: Tue, 17 Apr 2012 11:05:14 +0200
Subject: [U-Boot] MXS NAND: DMA read error
In-Reply-To: <4F8D2C20.5000900@bluegiga.com>
References: <4F8D24C0.9090106@bluegiga.com> <201204171029.43751.marex@denx.de>
	<4F8D2C20.5000900@bluegiga.com>
Message-ID: <201204171105.14793.marex@denx.de>
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To: u-boot@lists.denx.de

Dear Lauri Hintsala,

> On 04/17/2012 11:29 AM, Marek Vasut wrote:
> >> On 04/17/2012 11:17 AM, Marek Vasut wrote:
> >>>> I'm trying to compile latest U-Boot to mx28evk (rev D) with NAND
> >>>> support. U-Boot boots up but NAND chip is not detected and DMA read
> >>>> error is popped up.
> >>> 
> >>> MX28 EVK has no NAND, right?
> >> 
> >> MX28 EVK has NAND slot and I have installed NAND chip on it. I'm using
> >> same chip with older pached U-Boot and Linux and chip is working fine
> >> with them.
> >> 
> >>> Otherwise, check if you have APBH DMA enabled in your
> >>> include/configs/mx28evk.h
> >> 
> >> Config file include/configs/mx28evk.h has following line.
> >> 
> >> #define CONFIG_APBH_DMA
> > 
> > And you have dcache and icache disabled ?
> 
> Yes, they seem to be disabled:
> 
> #define CONFIG_SYS_ICACHE_OFF
> #define CONFIG_SYS_DCACHE_OFF
> 
> I'm using latest U-Boot and default mx28evk.h config:
> http://git.denx.de/?p=u-boot.git;a=blob;f=include/configs/mx28evk.h;h=02f33
> 66ed263ff66fe3b9b2089ec95ef461a92c0;hb=HEAD
> 
> I have added only NAND related lines I sent in first message.

Lauri, as much as I'd love to help you, MX28EVK is Fabio's board. So let's see 
what he has to say ;-)

> 
> BR,
> Lauri

Best regards,
Marek Vasut