[U-Boot] RTC value corruption on QIL-A9G20 startup

Eric Bénard eric at eukrea.com
Thu Aug 27 22:57:52 CEST 2009


Hi Willian,

William C. Landolina a écrit :
> Has there been any resolution on this?  From what I can see (with
> scope and logic analyzer) the RTC seems to be corrupted by the
> DataFlash boot code built into the chip.  [The Calao board doesn't
> have the DataFlash memory and used the chip select for its RTC
> instead...]
> 
> Has anyone found a smoking gun inside U-Boot or will we have to wait
> for Calao to make boards with the RTC on a different chip select?
> 
u-boot is executed after the bootrom so there is nothing to do on the
software point of view. You can connect a RTC on the I2C ...

Eric


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