[meta-freescale] i.MX6Q vs i.MX6UL tuning
Otavio Salvador
otavio.salvador at ossystems.com.br
Tue Oct 11 05:20:23 PDT 2016
On Tue, Oct 11, 2016 at 4:08 AM, Gary Thomas <gary at mlbassoc.com> wrote:
> I'm working with machines that have i.MX6Q/DL and i.MX6UL and noticed
> that they have quite different tuning.
>
> i.MX6Q:
> TUNE_FEATURES = "arm armv7a vfp thumb neon callconvention-hard
> cortexa9"
> TARGET_FPU = "hard"
>
> i.MX6UL:
> TUNE_FEATURES = "arm armv7ve vfp thumb neon cortexa7"
> TARGET_FPU = "softfp"
>
> I've not adjusted any GCC tuning for these targets. Just wondering
> why the i.MX6Q is hardfp and the i.MX6UL is soft? Anyone know why
> this choice was made?
I don't foresee any problem in using hardfp for UL.
--
Otavio Salvador O.S. Systems
http://www.ossystems.com.br http://code.ossystems.com.br
Mobile: +55 (53) 9981-7854 Mobile: +1 (347) 903-9750
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