[U-Boot] [RESEND PATCH v4 2/2] TI: DaVinci DA850 EVM: support passing maximum allowed cpu clock rate information to kernel

[Nori, Sekhar]

On Wed, Nov 17, 2010 at 17:02:50, Nori, Sekhar wrote:
> The TI DA850/OMAP-L138/AM18x EVM can be populated with devices
> having different maximum allowed CPU clock rating.
>
> The maximum clock the chip can support can only be determined from
> the label on the package (not software readable).
>
> Introduce a method to pass the maximum allowed clock rate information
> to kernel using ATAG_REVISION. The kernel uses this information to
> determine the maximum cpu clock rate reachable using cpufreq.
>
> Note that U-Boot itself does not set the CPU clock rate. The CPU
> clock is setup by a primary bootloader ("UBL"). The rate setup by
> UBL could be different from the maximum clock rate supported by the
> device.
>
> Signed-off-by: Sekhar Nori <nsekhar at ti.com>

Ben had sent a Tested-by: earlier which I failed to
include here. Sorry about that. Here it is:

Tested-by: Ben Gardiner <bengardiner at nanometrics.ca>

Thanks,
Sekhar