src/powerpc/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         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 };