arch/powerpc/boot/dts/microwatt.dts

   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 };