[PATCH] powerpc: support ibm,extended-*-frequency properties

[Segher Boessenkool]

Hi Anton,

> Support the ibm,extended-*-frequency properties found in recent POWER5
> firmware:
>
> cpus/PowerPC,POWER5 at 0/clock-frequency
>                  59aa5880 (1504336000)
> cpus/PowerPC,POWER5 at 0/ibm,extended-clock-frequency
>                  00000000 59aa5880
> cpus/PowerPC,POWER5 at 0/timebase-frequency
>                  0b354b10 (188042000)
> cpus/PowerPC,POWER5 at 0/ibm,extended-timebase-frequency
>                  00000000 0b354b10

Could you also allow the regular "timebase-frequency" property
to consist of two cells, with the same semantics?  That's what
some other systems do.  Hey, it'd simplify this code, if anything :-)

In fact, some kernel code already does this if I'm not mistaken
(the Cell port, perhaps?)


Segher