Hi, On 10/17/2014 09:06 PM, Kevin Hilman wrote: > On Wed, Oct 15, 2014 at 4:35 AM, Joonyoung Shim <jy0922.shim@xxxxxxxxxxx> wrote: >> Hi, >> >> Kevin Hilman <khilman <at> kernel.org> writes: >> >>> >>> Hi hdmi_resources_init, >>> >>> Abhilash Kesavan <a.kesavan <at> samsung.com> writes: >>> >>>> I had noticed a similar issue where only 6 cores would come up during >>>> development on 5420. This was because there was a check in our u-boot >>>> secondary boot-up path which would put a core into WFI if a flag was >>>> not present and hence fail to boot. I wonder if it is the same >>>> situation in your case too. >>>> Is the u-boot for odroid-xu3 publically available or can you check if >> there is any such code present in your >>> secondary bring-up path. >>> >>> I'm using the hardkernel u-boot[1], branch: odroidxu3-v2012.07. I'm >>> currently using the pre-built binaries that are in the >>> sd_fuse/hardkernel directory of that branch, but I can rebuild u-boot if >>> needed. >>> >>> I'm not very familiar with u-boot, but if f you have some pointers where >>> to start looking in that code, that would be helpful. >>> >>> Kevin >>> >>> [1] https://github.com/hardkernel/u-boot.git >>> >>> >> >> It seems to need magic code. >> >> Please refer >> https://github.com/abhijeet-dev/linux-samsung/commit/553b7f40465ab4fad6c270f289cd4780942f7fae > > Thanks, Abhilash had pointed me to the same code, and it works. But... > > Can someone explain this "magic", ideally in the form of a changelog > and patch submitted upstream? > I also really wonder. One more problem, cpu0 doesn't boot after offline and system is halted. # echo 0 > /sys/devices/system/cpu/cpu0/online [ 28.027852] IRQ152 no longer affine to CPU0 [ 28.028087] IRQ256 no longer affine to CPU0 [ 28.028344] CPU0: shutdown # # echo 1 > /sys/devices/system/cpu/cpu0/online So, it's failed script[1] to test MCPM functionalities Thanks. [1]: http://www.spinics.net/lists/arm-kernel/msg330946.html -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html