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- /dts-v1/;
- / {
- #size-cells = <0x02>;
- #address-cells = <0x02>;
- model-name = "microwatt";
- compatible = "microwatt-soc";
- aliases {
- serial0 = &UART0;
- };
- reserved-memory {
- #size-cells = <0x02>;
- #address-cells = <0x02>;
- ranges;
- };
- memory@0 {
- device_type = "memory";
- reg = <0x00000000 0x00000000 0x00000000 0x10000000>;
- };
- cpus {
- #size-cells = <0x00>;
- #address-cells = <0x01>;
- ibm,powerpc-cpu-features {
- display-name = "Microwatt";
- isa = <3000>;
- device_type = "cpu-features";
- compatible = "ibm,powerpc-cpu-features";
- mmu-radix {
- isa = <3000>;
- usable-privilege = <2>;
- };
- little-endian {
- isa = <2050>;
- usable-privilege = <3>;
- hwcap-bit-nr = <1>;
- };
- cache-inhibited-large-page {
- isa = <2040>;
- usable-privilege = <2>;
- };
- fixed-point-v3 {
- isa = <3000>;
- usable-privilege = <3>;
- };
- no-execute {
- isa = <2010>;
- usable-privilege = <2>;
- };
- floating-point {
- hwcap-bit-nr = <27>;
- isa = <0>;
- usable-privilege = <3>;
- };
- };
- PowerPC,Microwatt@0 {
- i-cache-sets = <2>;
- ibm,dec-bits = <64>;
- reservation-granule-size = <64>;
- clock-frequency = <100000000>;
- timebase-frequency = <100000000>;
- i-tlb-sets = <1>;
- ibm,ppc-interrupt-server#s = <0>;
- i-cache-block-size = <64>;
- d-cache-block-size = <64>;
- d-cache-sets = <2>;
- i-tlb-size = <64>;
- cpu-version = <0x990000>;
- status = "okay";
- i-cache-size = <0x1000>;
- ibm,processor-radix-AP-encodings = <0x0c 0xa0000010 0x20000015 0x4000001e>;
- tlb-size = <0>;
- tlb-sets = <0>;
- device_type = "cpu";
- d-tlb-size = <128>;
- d-tlb-sets = <2>;
- reg = <0>;
- general-purpose;
- 64-bit;
- d-cache-size = <0x1000>;
- ibm,chip-id = <0>;
- ibm,mmu-lpid-bits = <12>;
- ibm,mmu-pid-bits = <20>;
- };
- };
- soc@c0000000 {
- compatible = "simple-bus";
- #address-cells = <1>;
- #size-cells = <1>;
- interrupt-parent = <&ICS>;
- ranges = <0 0 0xc0000000 0x40000000>;
- interrupt-controller@4000 {
- compatible = "openpower,xics-presentation", "ibm,ppc-xicp";
- ibm,interrupt-server-ranges = <0x0 0x1>;
- reg = <0x4000 0x100>;
- };
- ICS: interrupt-controller@5000 {
- compatible = "openpower,xics-sources";
- interrupt-controller;
- interrupt-ranges = <0x10 0x10>;
- reg = <0x5000 0x100>;
- #address-cells = <0>;
- #size-cells = <0>;
- #interrupt-cells = <2>;
- };
- UART0: serial@2000 {
- device_type = "serial";
- compatible = "ns16550";
- reg = <0x2000 0x8>;
- clock-frequency = <100000000>;
- current-speed = <115200>;
- reg-shift = <2>;
- fifo-size = <16>;
- interrupts = <0x10 0x1>;
- };
- ethernet@8020000 {
- compatible = "litex,liteeth";
- reg = <0x8021000 0x100
- 0x8020800 0x100
- 0x8030000 0x2000>;
- reg-names = "mac", "mido", "buffer";
- litex,rx-slots = <2>;
- litex,tx-slots = <2>;
- litex,slot-size = <0x800>;
- interrupts = <0x11 0x1>;
- };
- };
- chosen {
- bootargs = "";
- ibm,architecture-vec-5 = [19 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00
- 00 00 00 00 00 00 00 00 40 00 40];
- stdout-path = &UART0;
- };
- };
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