On Mon, Mar 19, 2018 at 3:07 AM, Mylène Josserand <mylene.josserand@xxxxxxxxxxx> wrote: > Hello Mark, > > Please, excuse me for this late answer and thank you for the review! > > On Wed, 7 Mar 2018 12:18:33 +0000 > Marc Zyngier <marc.zyngier@xxxxxxx> wrote: > >> On 23/02/18 13:37, Mylène Josserand wrote: >> > On Cortex-A7, the CNTVOFF register from arch timer is uninitialized. >> >> Only on A7? Is that specific to your platform? > > I do not really know other Allwinner's platforms about this subject. At > least, the sun9i-a80 which is a Cortex-a15/a7 does not need that but it > is necessary for sun8i-a83t which is a cortex-a7. Maybe, Chen-Yu or > Maxime could help us on it. AFAIK all Allwinner CPUs need it if there isn't a firmware (PSCI) layer beneath the kernel that will do the setup. We just have "arm,cpu-registers-not-fw-configured" set for all the other SoCs that have in-kernel SMP support, which includes the A31, A23, A33 and A80. ChenYu -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
