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kernel/linux-rt-4.4.41/arch/arc/boot/dts/nsim_hs_idu.dts 1.5 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  /dts-v1/;
  
  /include/ "skeleton.dtsi"
  
  / {
  	compatible = "snps,nsim_hs";
  	interrupt-parent = <&core_intc>;
  
  	chosen {
  		bootargs = "earlycon=arc_uart,mmio32,0xc0fc1000,115200n8 console=ttyARC0,115200n8";
  	};
  
  	aliases {
  		serial0 = &arcuart0;
  	};
  
  	fpga {
  		compatible = "simple-bus";
  		#address-cells = <1>;
  		#size-cells = <1>;
  
  		/* child and parent address space 1:1 mapped */
  		ranges;
  
  		core_intc: core-interrupt-controller {
  			compatible = "snps,archs-intc";
  			interrupt-controller;
  			#interrupt-cells = <1>;
  		};
  
  		idu_intc: idu-interrupt-controller {
  			compatible = "snps,archs-idu-intc";
  			interrupt-controller;
  			interrupt-parent = <&core_intc>;
  
  			/*
  			 * <hwirq  distribution>
  			 * distribution: 0=RR; 1=cpu0, 2=cpu1, 4=cpu2, 8=cpu3
  			 */
  			#interrupt-cells = <2>;
  
  			/*
  			 * upstream irqs to core intc - downstream these are
  			 * "COMMON" irq 0,1..
  			 */
  			interrupts = <24 25 26 27 28 29 30 31>;
  		};
  
  		arcuart0: serial@c0fc1000 {
  			compatible = "snps,arc-uart";
  			reg = <0xc0fc1000 0x100>;
  			interrupt-parent = <&idu_intc>;
  			interrupts = <0 0>;
  			clock-frequency = <80000000>;
  			current-speed = <115200>;
  			status = "okay";
  		};
  
  		arcpct0: pct {
  			compatible = "snps,archs-pct";
  			#interrupt-cells = <1>;
  			interrupts = <20>;
  		};
  	};
  };