[U-Boot] coreboot and u-boot integration x86: "No tick base available"

[Simon Glass]

Hi Martin,

On 30 May 2014 04:33, Martin Ertsås <martiert at gmail.com> wrote:
> Hi.
>
> I'm trying to use u-boot as a payload to coreboot. Problem is that when
> coreboot starts u-boot, it fails with panic("No tick base available");
>
> When looking at the backtrace this gives a recursive error, as panic
> calls __udelay and get_ticks, which again panics. I heard this was
> because u-boot overwrote the memory location of coreboot, and that there
> have been some patches going around that fixes this issue, but have not
> made it upstream. As far as I can tell, chromebook v2 uses these patches
> to make their stuff boot. Can anyone point me in the right direction for
> those patches? I have tried finding them myself, but can't seem to find
> them.
>

It probably means that Coreboot is not passing its timing data to
U-Boot. You need to enable a timestamp option in Coreboot to do this.

You could patch it to remove this panic and just use 0 in this case.

Regards,
Simon