[U-Boot] FIT image for falcon boot

Simon Glass sjg at chromium.org
Thu Apr 6 03:07:34 UTC 2017


Hi York,

On 31 March 2017 at 22:49, york sun <york.sun at nxp.com> wrote:
> On 03/31/2017 09:21 PM, Simon Glass wrote:
>> Hi York,
>>
>> On 23 March 2017 at 20:06, york sun <york.sun at nxp.com> wrote:
>>> Simon,
>>>
>>> I made it work. A patch set will be sent later (much later) after I
>>> clean up and finish the project on hand.
>>
>> OK, sounds good!
>>
>> IMO some of the motivation for falcon boot is U-Boot running slowly
>> with the cache off :-)
>
> My target is to boot up Linux under 800ms. I have achieved that but with
> minimum Linux drivers loaded. I don't have much time budge for U-Boot.
> Falcon boot cuts U-Boot time down to ~400ms (including loading FIT
> image). I have cache enabled after loading the trusted firmware (our
> implementation) as soon as the DDR is ready.

Yes that is a pretty tight limit - sounds like you have things humming nicely!

Regards,
Simon


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