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From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] mx51evk: Fix 2 hours reset issue
Date: Thu, 28 Oct 2010 13:21:05 +0200	[thread overview]
Message-ID: <4CC95CA1.6050804@denx.de> (raw)
In-Reply-To: <1288193764-810-1-git-send-email-Shawn.Guo@freescale.com>

On 10/27/2010 05:36 PM, Shawn.Guo at freescale.com wrote:
> From: Shawn Guo <shawn.gsc@gmail.com>
> 
> The mx51evk u-boot has an issue that system will get reset
> every 2 hours.
> 
> MC13892 has an inside charge timer which expires in 120 minutes.
> If ICHRG and CHGAUTOB are not set properly, this timer expiration
> will get system power recycled.
> 
> Since mx51evk has no Li-Ion battery on board, the patch sets
> ICHRG in externally powered mode and sets CHGAUTOB bit to avoid
> automatic charging, so that system will not get reset by this
> timer expiration.
> 
> The patch also corrects the bit field definition of register 48
> (Charger 0) per latest MC13892 Reference Manual.
> 
> Signed-off-by: Shawn Guo <shawn.gsc@gmail.com>

Applied to u-boot-imx, thanks.

Best regards,
Stefano Babic

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      reply	other threads:[~2010-10-28 11:21 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-27 15:36 [U-Boot] [PATCH] mx51evk: Fix 2 hours reset issue Shawn.Guo at freescale.com
2010-10-28 11:21 ` Stefano Babic [this message]

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