On Mon, Feb 17, 2014 at 5:10 PM, Kukjin Kim <kgene.kim@xxxxxxxxxxx> wrote: > On 02/15/14 02:06, Arnd Bergmann wrote: >> >> On Thursday 13 February 2014, Olof Johansson wrote: >>> >>> On Mon, Feb 10, 2014 at 6:52 PM, Kukjin Kim<kgene.kim@xxxxxxxxxxx> >>> wrote: >>>> >>>> On 02/13/14 04:14, Arnd Bergmann wrote: >>>>> >>>>> On Wednesday 12 February 2014 13:04:40 Kumar Gala wrote: >>>> >>>> Basically, I agreed with Arnd's suggestion to use ARCH_SBSA. Or we need >>>> to >>>> define level in Kconfig like ARCH_SBSA_L1 for level1. BTW, how about >>>> compliant with SBSA Level1 and having some specific features? >> >> > Well, how about ARMv8 mobile SoC? I think, it is not compatible with SBSA. > For example, you know MCT can be used for ARMv8 cores instead of ARCH Timer. > So I'm not sure ARCH_SBSA is really good choice... > > >> My feeling is that we don't need to use the levels for Kconfig, although >> we might want to use them DT compatible strings, even if it ends up >> looking >> a little funny when you do >> >> compatible = "arm,sbsa-l3", "arm,sbsa-l2", "arm,sbsa-l1"; >> >>> What kind of features are you expecting though? More IP >>> blocks/devices? Those are just kernel config options to enable, >>> ideally as modules. >> >> >> Right, I think we can just put them into defconfig. No need to >> "select" them from Kconfig since the extra options wouldn't be >> required for booting or using the system. >> > As I commented above, how about MCT? Samsung has a plan to use MCT on ARMv8, > it is not for used for GH7 though... It looks like the clocksource drivers are all based around being enabled based on platforms instead of individually selectable. That causes a problem here. I think we should change the clocksource Kconfig instead. Then it's just a matter of making sure your defconfig has the needed driver enabled. (Adding Daniel and Thomas in case they have objections to that approach) -Olof -- 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