I have been attempting to add support for both USB and SD persistent memory to my vm (See
"Re: ramdisk vs. persistant rfs in VMs.” thread.). I seem to be having a problem with
power management. In hopes of correcting this I wish to expose the power management unit
to the VM. The related stanza looks like this in my device tree file.
compatible = "arm,cci-400";
reg = <0x0 0xfd6e0000 0x0 0x9000>;
ranges = <0x0 0x0 0xfd6e0000 0x10000>;
#address-cells = <0x1>;
#size-cells = <0x1>;
compatible = "arm,cci-400-pmu,r1";
reg = <0x9000 0x5000>;
interrupt-parent = <0x4>;
interrupts = <0x0 0x7b 0x4 0x0 0x7b 0x4 0x0 0x7b 0x4
0x0 0x7b 0x4 0x0 0x7b 0x4>;
The PMU appears to be a child of cci. I am unsure of the proper syntax to use in my
devices.camkes file. Since it is a child does one specify the path as /cci/pmu? Does the
parent also have to be exposed to the vm?
Here is what the related lines inmy devices.camkes look like. Is this correct?
vm0.dtb = dtb([
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