[U-Boot] [PATCH] i.MX28: Fix VDDIO and VDDA setup

Marek Vasut marek.vasut at gmail.com
Tue Jan 31 19:08:37 CET 2012


> > Right, because RAM size is 0. I see, so DRAM init fails somewhere.
> 
> That's exactly where and why it hangs, in my case.
> 
> > I think
> > though it doesn't hang in the POWER init code anymore.
> 
> In my case, I don't think it hung in power_init before your patch. I'm
> pretty sure it hung at the same place.
> 
> > Can you trace mem_init()
> > in the SPL? Simply define CONFIG_SPL_SERIAL_SUPPORT for example and run
> > serial_init() before, then run serial_puts() every now and then when fit.
> 
> I'm trying too. I'm also trying to figure out the call stack of
> mx28_dram_init(), but no luck so far.

Try s/0x2a/~(26)/ in spl_mem_init.c ... to lower the freq to 166MHz and see what 
it does.

M


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