Question regarding U-boot MultiCore SMP

Sean Anderson seanga2 at
Fri Mar 3 15:49:35 CET 2023

On 3/2/23 05:04, Jan Reinhard wrote:
> Hello,
> I am working on the PolarFire RISC-V icicle kit and use u-boot to start my application.
> I configured the firmware to start u-boot on all harts (cores) and found out that u-boot uses a "HART lottery system" to decide which core/hart it runs on.
> In my special case I want u-boot to start on the first hart and the other harts shall wait for the interrupt.

Replace the hart lottery with a check on tp.


> I cannot use the "saveenv" but I compile the u-boot myself. Is there a way to compile the u-boot to ignore the "HART lottery system" and use the first hart?
> Thank you in advance.
> Regards,

More information about the U-Boot mailing list