arch/xtensa/boot/dts/kc705.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /dts-v1/;
   3 /include/ "xtfpga.dtsi"
   4 /include/ "xtfpga-flash-128m.dtsi"
   5
   6 / {
   7         compatible = "cdns,xtensa-kc705";
   8         chosen {
   9                 bootargs = "earlycon=uart8250,mmio32native,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug memmap=0x38000000";
  10         };
  11         memory@0 {
  12                 device_type = "memory";
  13                 reg = <0x00000000 0x38000000>;
  14         };
  15
  16         reserved-memory {
  17                 #address-cells = <1>;
  18                 #size-cells = <1>;
  19                 ranges;
  20
  21                 /* global autoconfigured region for contiguous allocations */
  22                 linux,cma {
  23                         compatible = "shared-dma-pool";
  24                         reusable;
  25                         size = <0x04000000>;
  26                         alignment = <0x2000>;
  27                         alloc-ranges = <0x00000000 0x20000000>;
  28                         linux,cma-default;
  29                 };
  30         };
  31 };