On 15. 12. 19 6:28, Guenter Roeck wrote: > On 12/9/19 7:02 AM, Michal Simek wrote: >> On 09. 12. 19 15:32, Guenter Roeck wrote: >>> On 12/8/19 11:48 PM, Edgar E. Iglesias wrote: >>>> On Sun, Dec 08, 2019 at 11:19:33PM -0800, Guenter Roeck wrote: >>>>> On 12/8/19 10:42 PM, Michal Simek wrote: >>>>>> Hi, +Edgar >>>>>> >>>>>> >>>>>> On 08. 12. 19 23:38, Guenter Roeck wrote: >>>>>>> On Fri, Oct 18, 2019 at 06:07:31PM +0200, Michael Tretter wrote: >>>>>>>> From: Rajan Vaja <rajan.vaja@xxxxxxxxxx> >>>>>>>> >>>>>>>> Add firmware DT node in ZynqMP device tree. This node >>>>>>>> uses bindings as per new firmware interface driver. >>>>>>>> >>>>>>>> Signed-off-by: Rajan Vaja <rajanv@xxxxxxxxxx> >>>>>>>> Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx> >>>>>>>> Signed-off-by: Michael Tretter <m.tretter@xxxxxxxxxxxxxx> >>>>>>> >>>>>>> With this patch applied in the mainline kernel, the qemu xlnx-zcu102 >>>>>>> emulation crashes (see below). Any idea what it might take to get >>>>>>> qemu back to working ? >>>>>> >>>>>> Driver talks through ATF to PMU unit(microblaze). I don't think >>>>>> A53+MB >>>>>> concept is working with mainline qemu. But crash is too hard. It >>>>>> should >>>> >>>> Yes, QEMU doesn't support the Cortex-A53s along with the PMU >>>> MicroBlaze. >>>> >>>> My workaround when using upstream QEMU is a modified DT without the >>>> PMU firmware >>>> and with fixed-clock nodes. >>>> >>> >>> I can't do that for my boot tests. Normally I would just disable >>> ZYNQMP_FIRMWARE, >>> but that is hard enabled with ARCH_ZYNQMP. I'll have to drop those >>> tests, >>> unfortunately, if the firmware driver is considered mandatory. >> >> We can make it optional. >> Rajan: please send a patch for it. >> > > I'll disable the related boot tests for now. If/when this is fixed, let > me know, > and I'll re-enable it. ok. Sure. Thanks, Michal