[U-Boot] [PATCH RFC] arm: mx6: Add CCGR0 configuration to default DCD (spl_sd.cfg)

[Fabio Estevam]

Hi Stefan,

On Mon, Dec 8, 2014 at 11:31 AM, Stefan Roese <sr at denx.de> wrote:
> While switching a custom i.MX6DL board port to the common mx6
> infrastructure without any board specific DCD file (*.cfg), booting
> from SD-card (mmc0) via the bmode command (bmode mmc0) did not work
> any more. Adding this one line for the CCGR0 solves this issue.
>
> I have to admit that I'm not really sure why this is needed in
> this case. So if somebody has an explanation for the need for
> this CCGR0 register setup in the DCD, then please let me know.

Could you please try to narrow down what exact field of the CGR0
register makes your board boot?

I suspect it could be the AIPS related clocks (CG0 / CG1).

Please confirm. If this is the case, then we should turn on the AIPS
clocks inside init_aips().

Thanks,

Fabio Estevam