/ { compatible = "xtensa,xtfpga"; #address-cells = <1>; #size-cells = <1>; interrupt-parent = <&pic>; chosen { bootargs = "earlycon=uart8250,mmio32,0xfd050020,115200n8 console=ttyS0,115200n8 ip=dhcp root=/dev/nfs rw debug"; }; memory@0 { device_type = "memory"; reg = <0x00000000 0x06000000>; }; cpus { #address-cells = <1>; #size-cells = <0>; cpu@0 { compatible = "xtensa,cpu"; reg = <0>; /* Filled in by platform_setup from FPGA register * clock-frequency = <100000000>; */ }; }; pic: pic { compatible = "xtensa,pic"; /* one cell: internal irq number, * two cells: second cell == 0: internal irq number * second cell == 1: external irq number */ #interrupt-cells = <2>; interrupt-controller; }; serial0: serial@fd050020 { device_type = "serial"; compatible = "ns16550a"; no-loopback-test; reg = <0xfd050020 0x20>; reg-shift = <2>; interrupts = <0 1>; /* external irq 0 */ /* Filled in by platform_setup from FPGA register * clock-frequency = <100000000>; */ }; enet0: ethoc@fd030000 { compatible = "opencores,ethoc"; reg = <0xfd030000 0x4000 0xfd800000 0x4000>; interrupts = <1 1>; /* external irq 1 */ local-mac-address = [00 50 c2 13 6f 00]; }; };