175 lines
3.4 KiB
Plaintext
175 lines
3.4 KiB
Plaintext
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/dts-v1/;
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/ {
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#size-cells = <0x02>;
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#address-cells = <0x02>;
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model-name = "microwatt";
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compatible = "microwatt-soc";
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aliases {
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serial0 = &UART0;
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};
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reserved-memory {
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#size-cells = <0x02>;
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#address-cells = <0x02>;
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ranges;
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};
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memory@0 {
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device_type = "memory";
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reg = <0x00000000 0x00000000 0x00000000 0x10000000>;
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};
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clocks {
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sys_clk: litex_sys_clk {
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#clock-cells = <0>;
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compatible = "fixed-clock";
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clock-frequency = <100000000>;
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};
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};
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cpus {
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#size-cells = <0x00>;
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#address-cells = <0x01>;
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ibm,powerpc-cpu-features {
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display-name = "Microwatt";
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isa = <3000>;
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device_type = "cpu-features";
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compatible = "ibm,powerpc-cpu-features";
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mmu-radix {
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isa = <3000>;
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usable-privilege = <2>;
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};
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little-endian {
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isa = <2050>;
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usable-privilege = <3>;
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hwcap-bit-nr = <1>;
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};
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cache-inhibited-large-page {
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isa = <2040>;
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usable-privilege = <2>;
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};
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fixed-point-v3 {
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isa = <3000>;
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usable-privilege = <3>;
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};
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no-execute {
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isa = <2010>;
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usable-privilege = <2>;
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};
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floating-point {
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hwcap-bit-nr = <27>;
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isa = <0>;
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usable-privilege = <3>;
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};
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};
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PowerPC,Microwatt@0 {
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i-cache-sets = <2>;
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ibm,dec-bits = <64>;
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reservation-granule-size = <64>;
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clock-frequency = <100000000>;
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timebase-frequency = <100000000>;
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i-tlb-sets = <1>;
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ibm,ppc-interrupt-server#s = <0>;
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i-cache-block-size = <64>;
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d-cache-block-size = <64>;
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d-cache-sets = <2>;
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i-tlb-size = <64>;
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cpu-version = <0x990000>;
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status = "okay";
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i-cache-size = <0x1000>;
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ibm,processor-radix-AP-encodings = <0x0c 0xa0000010 0x20000015 0x4000001e>;
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tlb-size = <0>;
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tlb-sets = <0>;
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device_type = "cpu";
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d-tlb-size = <128>;
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d-tlb-sets = <2>;
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reg = <0>;
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general-purpose;
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64-bit;
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d-cache-size = <0x1000>;
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ibm,chip-id = <0>;
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ibm,mmu-lpid-bits = <12>;
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ibm,mmu-pid-bits = <20>;
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};
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};
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soc@c0000000 {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <1>;
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interrupt-parent = <&ICS>;
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ranges = <0 0 0xc0000000 0x40000000>;
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interrupt-controller@4000 {
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compatible = "openpower,xics-presentation", "ibm,ppc-xicp";
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ibm,interrupt-server-ranges = <0x0 0x1>;
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reg = <0x4000 0x100>;
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};
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ICS: interrupt-controller@5000 {
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compatible = "openpower,xics-sources";
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interrupt-controller;
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interrupt-ranges = <0x10 0x10>;
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reg = <0x5000 0x100>;
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#address-cells = <0>;
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#size-cells = <0>;
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#interrupt-cells = <2>;
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};
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UART0: serial@2000 {
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device_type = "serial";
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compatible = "ns16550";
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reg = <0x2000 0x8>;
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clock-frequency = <100000000>;
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current-speed = <115200>;
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reg-shift = <2>;
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fifo-size = <16>;
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interrupts = <0x10 0x1>;
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};
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ethernet@8020000 {
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compatible = "litex,liteeth";
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reg = <0x8021000 0x100
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0x8020800 0x100
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0x8030000 0x2000>;
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reg-names = "mac", "mido", "buffer";
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litex,rx-slots = <2>;
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litex,tx-slots = <2>;
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litex,slot-size = <0x800>;
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interrupts = <0x11 0x1>;
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};
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mmc@8040000 {
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compatible = "litex,mmc";
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reg = <0x8042800 0x800
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0x8041000 0x800
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0x8040800 0x800
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0x8042000 0x800
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0x8041800 0x800>;
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reg-names = "phy", "core", "reader", "writer", "irq";
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bus-width = <4>;
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interrupts = <0x13 1>;
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cap-sd-highspeed;
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clocks = <&sys_clk>;
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};
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};
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chosen {
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bootargs = "";
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ibm,architecture-vec-5 = [19 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00
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00 00 00 00 00 00 00 00 40 00 40];
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stdout-path = &UART0;
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};
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};
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