[U-Boot] [PATCH] mx51evk: Fix 2 hours reset issue
sbabic at denx.de
Thu Oct 28 13:21:05 CEST 2010
On 10/27/2010 05:36 PM, Shawn.Guo at freescale.com wrote:
> From: Shawn Guo <shawn.gsc at 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 at gmail.com>
Applied to u-boot-imx, thanks.
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