[U-Boot] Whose responsibility is it to enable FPU?

gnemas at gmail.com gnemas at gmail.com
Mon Jun 14 23:08:52 CEST 2010


On Jun 14, 2010 4:30pm, Wolfgang Denk <wd at denx.de> wrote:


> U-Boot does not need nor use the FPU, so enabling it would not help
> you in any way.


It may not need it, but enabling it in u-boot did actually fix the problem.  
I just called the fpu_enable function in the u-boot post code.


> Linux will do it's own settings, so this is where you need to look for
> your incorrect configuration settings (incorrect CPU description in
> the DT?).


Okay, thanks. I'll try to find out more about how Linux sets this up.

By the way, my dts file has

cpu at 0 {
device_type = "cpu";
model = "PowerPC,440EPx";


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