arch/xtensa/boot/dts/kc705.dts

   1 /dts-v1/;
   2 /include/ "xtfpga.dtsi"
   3 /include/ "xtfpga-flash-128m.dtsi"
   4
   5 / {
   6         compatible = "cdns,xtensa-kc705";
   7         chosen {
   8                 bootargs = "earlycon=uart8250,mmio32native,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug memmap=0x38000000";
   9         };
  10         memory@0 {
  11                 device_type = "memory";
  12                 reg = <0x00000000 0x38000000>;
  13         };
  14
  15         reserved-memory {
  16                 #address-cells = <1>;
  17                 #size-cells = <1>;
  18                 ranges;
  19
  20                 /* global autoconfigured region for contiguous allocations */
  21                 linux,cma {
  22                         compatible = "shared-dma-pool";
  23                         reusable;
  24                         size = <0x04000000>;
  25                         alignment = <0x2000>;
  26                         alloc-ranges = <0x00000000 0x20000000>;
  27                         linux,cma-default;
  28                 };
  29         };
  30 };