OpenCloudOS-Kernel/arch/xtensa/boot/dts/xtfpga.dtsi

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/ {
compatible = "cdns,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 = "cdns,xtensa-cpu";
reg = <0>;
/* Filled in by platform_setup from FPGA register
* clock-frequency = <100000000>;
*/
};
};
pic: pic {
compatible = "cdns,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;
};
clocks {
osc: main-oscillator {
#clock-cells = <0>;
compatible = "fixed-clock";
};
};
soc {
#address-cells = <1>;
#size-cells = <1>;
compatible = "simple-bus";
ranges = <0x00000000 0xf0000000 0x10000000>;
serial0: serial@0d050020 {
device_type = "serial";
compatible = "ns16550a";
no-loopback-test;
reg = <0x0d050020 0x20>;
reg-shift = <2>;
interrupts = <0 1>; /* external irq 0 */
clocks = <&osc>;
};
enet0: ethoc@0d030000 {
compatible = "opencores,ethoc";
reg = <0x0d030000 0x4000 0x0d800000 0x4000>;
interrupts = <1 1>; /* external irq 1 */
local-mac-address = [00 50 c2 13 6f 00];
clocks = <&osc>;
};
};
};