1/dts-v1/; 2 3/ { 4 #size-cells = <0x02>; 5 #address-cells = <0x02>; 6 model-name = "microwatt"; 7 compatible = "microwatt-soc"; 8 9 aliases { 10 serial0 = &UART0; 11 }; 12 13 reserved-memory { 14 #size-cells = <0x02>; 15 #address-cells = <0x02>; 16 ranges; 17 }; 18 19 memory@0 { 20 device_type = "memory"; 21 reg = <0x00000000 0x00000000 0x00000000 0x10000000>; 22 }; 23 24 cpus { 25 #size-cells = <0x00>; 26 #address-cells = <0x01>; 27 28 ibm,powerpc-cpu-features { 29 display-name = "Microwatt"; 30 isa = <3000>; 31 device_type = "cpu-features"; 32 compatible = "ibm,powerpc-cpu-features"; 33 34 mmu-radix { 35 isa = <3000>; 36 usable-privilege = <2>; 37 }; 38 39 little-endian { 40 isa = <2050>; 41 usable-privilege = <3>; 42 hwcap-bit-nr = <1>; 43 }; 44 45 cache-inhibited-large-page { 46 isa = <2040>; 47 usable-privilege = <2>; 48 }; 49 50 fixed-point-v3 { 51 isa = <3000>; 52 usable-privilege = <3>; 53 }; 54 55 no-execute { 56 isa = <2010>; 57 usable-privilege = <2>; 58 }; 59 60 floating-point { 61 hwcap-bit-nr = <27>; 62 isa = <0>; 63 usable-privilege = <3>; 64 }; 65 }; 66 67 PowerPC,Microwatt@0 { 68 i-cache-sets = <2>; 69 ibm,dec-bits = <64>; 70 reservation-granule-size = <64>; 71 clock-frequency = <100000000>; 72 timebase-frequency = <100000000>; 73 i-tlb-sets = <1>; 74 ibm,ppc-interrupt-server#s = <0>; 75 i-cache-block-size = <64>; 76 d-cache-block-size = <64>; 77 d-cache-sets = <2>; 78 i-tlb-size = <64>; 79 cpu-version = <0x990000>; 80 status = "okay"; 81 i-cache-size = <0x1000>; 82 ibm,processor-radix-AP-encodings = <0x0c 0xa0000010 0x20000015 0x4000001e>; 83 tlb-size = <0>; 84 tlb-sets = <0>; 85 device_type = "cpu"; 86 d-tlb-size = <128>; 87 d-tlb-sets = <2>; 88 reg = <0>; 89 general-purpose; 90 64-bit; 91 d-cache-size = <0x1000>; 92 ibm,chip-id = <0>; 93 ibm,mmu-lpid-bits = <12>; 94 ibm,mmu-pid-bits = <20>; 95 }; 96 }; 97 98 soc@c0000000 { 99 compatible = "simple-bus"; 100 #address-cells = <1>; 101 #size-cells = <1>; 102 interrupt-parent = <&ICS>; 103 104 ranges = <0 0 0xc0000000 0x40000000>; 105 106 interrupt-controller@4000 { 107 compatible = "openpower,xics-presentation", "ibm,ppc-xicp"; 108 ibm,interrupt-server-ranges = <0x0 0x1>; 109 reg = <0x4000 0x100>; 110 }; 111 112 ICS: interrupt-controller@5000 { 113 compatible = "openpower,xics-sources"; 114 interrupt-controller; 115 interrupt-ranges = <0x10 0x10>; 116 reg = <0x5000 0x100>; 117 #address-cells = <0>; 118 #size-cells = <0>; 119 #interrupt-cells = <2>; 120 }; 121 122 UART0: serial@2000 { 123 device_type = "serial"; 124 compatible = "ns16550"; 125 reg = <0x2000 0x8>; 126 clock-frequency = <100000000>; 127 current-speed = <115200>; 128 reg-shift = <2>; 129 fifo-size = <16>; 130 interrupts = <0x10 0x1>; 131 }; 132 133 ethernet@8020000 { 134 compatible = "litex,liteeth"; 135 reg = <0x8021000 0x100 136 0x8020800 0x100 137 0x8030000 0x2000>; 138 reg-names = "mac", "mido", "buffer"; 139 litex,rx-slots = <2>; 140 litex,tx-slots = <2>; 141 litex,slot-size = <0x800>; 142 interrupts = <0x11 0x1>; 143 }; 144 }; 145 146 chosen { 147 bootargs = ""; 148 ibm,architecture-vec-5 = [19 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 149 00 00 00 00 00 00 00 00 40 00 40]; 150 stdout-path = &UART0; 151 }; 152}; 153