/dts-v1/; / { #address-cells = <2>; #size-cells = <2>; cpus { // Container for all CPU cores #address-cells = <1>; // CPU children use 1 cell for hartid #size-cells = <0>; // CPU children don't specify size timebase-frequency = <10000000>; // Timer ticks at 10 MHz (for OS timing) CPU0: cpu@0 { // First CPU core (label: CPU0, unit address: 0) device_type = "cpu"; // Identifies this as a CPU device reg = <0>; // Hartid = 0 (hardware thread ID) riscv,isa = "rv64imafdc"; // ISA: RV64 with I,M,A,F,D,C extensions }; }; memory@80000000 { device_type = "memory"; reg = <0x0 0x80000000 0x0 0x20000000>; }; memory@A0000000 { device_type = "memory"; reg = <0x0 0xA0000000 0x0 0x20000000>; }; };