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. M
