| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame^] | 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 | clocks { |
| 25 | sys_clk: litex_sys_clk { |
| 26 | #clock-cells = <0>; |
| 27 | compatible = "fixed-clock"; |
| 28 | clock-frequency = <100000000>; |
| 29 | }; |
| 30 | }; |
| 31 | |
| 32 | cpus { |
| 33 | #size-cells = <0x00>; |
| 34 | #address-cells = <0x01>; |
| 35 | |
| 36 | ibm,powerpc-cpu-features { |
| 37 | display-name = "Microwatt"; |
| 38 | isa = <3000>; |
| 39 | device_type = "cpu-features"; |
| 40 | compatible = "ibm,powerpc-cpu-features"; |
| 41 | |
| 42 | mmu-radix { |
| 43 | isa = <3000>; |
| 44 | usable-privilege = <2>; |
| 45 | }; |
| 46 | |
| 47 | little-endian { |
| 48 | isa = <2050>; |
| 49 | usable-privilege = <3>; |
| 50 | hwcap-bit-nr = <1>; |
| 51 | }; |
| 52 | |
| 53 | cache-inhibited-large-page { |
| 54 | isa = <2040>; |
| 55 | usable-privilege = <2>; |
| 56 | }; |
| 57 | |
| 58 | fixed-point-v3 { |
| 59 | isa = <3000>; |
| 60 | usable-privilege = <3>; |
| 61 | }; |
| 62 | |
| 63 | no-execute { |
| 64 | isa = <2010>; |
| 65 | usable-privilege = <2>; |
| 66 | }; |
| 67 | |
| 68 | floating-point { |
| 69 | hwcap-bit-nr = <27>; |
| 70 | isa = <0>; |
| 71 | usable-privilege = <3>; |
| 72 | }; |
| 73 | }; |
| 74 | |
| 75 | PowerPC,Microwatt@0 { |
| 76 | i-cache-sets = <2>; |
| 77 | ibm,dec-bits = <64>; |
| 78 | reservation-granule-size = <64>; |
| 79 | clock-frequency = <100000000>; |
| 80 | timebase-frequency = <100000000>; |
| 81 | i-tlb-sets = <1>; |
| 82 | ibm,ppc-interrupt-server#s = <0>; |
| 83 | i-cache-block-size = <64>; |
| 84 | d-cache-block-size = <64>; |
| 85 | d-cache-sets = <2>; |
| 86 | i-tlb-size = <64>; |
| 87 | cpu-version = <0x990000>; |
| 88 | status = "okay"; |
| 89 | i-cache-size = <0x1000>; |
| 90 | ibm,processor-radix-AP-encodings = <0x0c 0xa0000010 0x20000015 0x4000001e>; |
| 91 | tlb-size = <0>; |
| 92 | tlb-sets = <0>; |
| 93 | device_type = "cpu"; |
| 94 | d-tlb-size = <128>; |
| 95 | d-tlb-sets = <2>; |
| 96 | reg = <0>; |
| 97 | general-purpose; |
| 98 | 64-bit; |
| 99 | d-cache-size = <0x1000>; |
| 100 | ibm,chip-id = <0>; |
| 101 | ibm,mmu-lpid-bits = <12>; |
| 102 | ibm,mmu-pid-bits = <20>; |
| 103 | }; |
| 104 | }; |
| 105 | |
| 106 | soc@c0000000 { |
| 107 | compatible = "simple-bus"; |
| 108 | #address-cells = <1>; |
| 109 | #size-cells = <1>; |
| 110 | interrupt-parent = <&ICS>; |
| 111 | |
| 112 | ranges = <0 0 0xc0000000 0x40000000>; |
| 113 | |
| 114 | interrupt-controller@4000 { |
| 115 | compatible = "openpower,xics-presentation", "ibm,ppc-xicp"; |
| 116 | ibm,interrupt-server-ranges = <0x0 0x1>; |
| 117 | reg = <0x4000 0x100>; |
| 118 | }; |
| 119 | |
| 120 | ICS: interrupt-controller@5000 { |
| 121 | compatible = "openpower,xics-sources"; |
| 122 | interrupt-controller; |
| 123 | interrupt-ranges = <0x10 0x10>; |
| 124 | reg = <0x5000 0x100>; |
| 125 | #address-cells = <0>; |
| 126 | #size-cells = <0>; |
| 127 | #interrupt-cells = <2>; |
| 128 | }; |
| 129 | |
| 130 | UART0: serial@2000 { |
| 131 | device_type = "serial"; |
| 132 | compatible = "ns16550"; |
| 133 | reg = <0x2000 0x8>; |
| 134 | clock-frequency = <100000000>; |
| 135 | current-speed = <115200>; |
| 136 | reg-shift = <2>; |
| 137 | fifo-size = <16>; |
| 138 | interrupts = <0x10 0x1>; |
| 139 | }; |
| 140 | |
| 141 | ethernet@8020000 { |
| 142 | compatible = "litex,liteeth"; |
| 143 | reg = <0x8021000 0x100 |
| 144 | 0x8020800 0x100 |
| 145 | 0x8030000 0x2000>; |
| 146 | reg-names = "mac", "mido", "buffer"; |
| 147 | litex,rx-slots = <2>; |
| 148 | litex,tx-slots = <2>; |
| 149 | litex,slot-size = <0x800>; |
| 150 | interrupts = <0x11 0x1>; |
| 151 | }; |
| 152 | |
| 153 | mmc@8040000 { |
| 154 | compatible = "litex,mmc"; |
| 155 | reg = <0x8042800 0x800 |
| 156 | 0x8041000 0x800 |
| 157 | 0x8040800 0x800 |
| 158 | 0x8042000 0x800 |
| 159 | 0x8041800 0x800>; |
| 160 | reg-names = "phy", "core", "reader", "writer", "irq"; |
| 161 | bus-width = <4>; |
| 162 | interrupts = <0x13 1>; |
| 163 | cap-sd-highspeed; |
| 164 | clocks = <&sys_clk>; |
| 165 | }; |
| 166 | }; |
| 167 | |
| 168 | chosen { |
| 169 | bootargs = ""; |
| 170 | ibm,architecture-vec-5 = [19 00 10 00 00 00 00 00 00 00 00 00 00 00 00 00 |
| 171 | 00 00 00 00 00 00 00 00 40 00 40]; |
| 172 | stdout-path = &UART0; |
| 173 | }; |
| 174 | }; |