On Fri, Sep 24, 2010 at 1:10 AM, Nori, Sekhar <nsek...@ti.com> wrote:
> Hello All,
>
> On Fri, Aug 27, 2010 at 10:44:58, 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.
>
> Any more feedback on this patch? There are couple of kernel patches
> which depend on this, that's why I ask.FWIW: it's fine with me. Applies cleanly to 3df61957938586c512c17e72d83551d190400981 of u-boot/next. Tested on da850evm -- bootm of linux uImage works with the patch 'da850evm: fix linux bootparam address' aplied. The kernel uImage used did not have support for parsing the ATAG_REVISION information since that patch has not been posted to the davinci-linux list. Tested-by: Ben Gardiner <bengardi...@nanometrics.ca> Best Regards, Ben Gardiner --- Nanometrics Inc. http://www.nanometrics.ca _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
