[RFC 1/1] ARM: imx6q: move clock register map to machine_desc.map_io
Shawn Guo
shawn.guo at freescale.com
Wed Nov 16 22:20:13 EST 2011
On Thu, Nov 17, 2011 at 10:56:53AM +0800, Eric Miao wrote:
> On Thu, Nov 17, 2011 at 9:50 AM, Richard Zhao <richard.zhao at linaro.org> wrote:
> > If the map is in machine_desc.timer.init, the registers will not be
> > able to access after bootup (probably after "Freeing init memory").
>
> Given that devicemaps_init() does additional work after creating
> the mapping, flushing TLB and cache, machine_desc->map_io() is
> what I assume the best place for these static IO mappings than
> elsewhere.
>
> Shawn?
>
I'm still trying to understand what happened. I do not understand
how the map can become unusable after "Freeing init memory". Also
I can not reproduce the problem on my side.
--
Regards,
Shawn
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