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kernel/linux-rt-4.4.41/arch/powerpc/boot/dts/acadia.dts 5.07 KB
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  /*
   * Device Tree Source for AMCC Acadia (405EZ)
   *
   * Copyright IBM Corp. 2008
   *
   * This file is licensed under the terms of the GNU General Public License
   * version 2.  This program is licensed "as is" without any warranty of any
   * kind, whether express or implied.
   */
  
  /dts-v1/;
  
  / {
  	#address-cells = <1>;
  	#size-cells = <1>;
  	model = "amcc,acadia";
  	compatible = "amcc,acadia";
  	dcr-parent = <&{/cpus/cpu@0}>;
  
  	aliases {
  		ethernet0 = &EMAC0;
  		serial0 = &UART0;
  		serial1 = &UART1;
  	};
  
  	cpus {
  		#address-cells = <1>;
  		#size-cells = <0>;
  
  		cpu@0 {
  			device_type = "cpu";
  			model = "PowerPC,405EZ";
  			reg = <0x0>;
  			clock-frequency = <0>; /* Filled in by wrapper */
  			timebase-frequency = <0>; /* Filled in by wrapper */
  			i-cache-line-size = <32>;
  			d-cache-line-size = <32>;
  			i-cache-size = <16384>;
  			d-cache-size = <16384>;
  			dcr-controller;
  			dcr-access-method = "native";
  		};
  	};
  
  	memory {
  		device_type = "memory";
  		reg = <0x0 0x0>; /* Filled in by wrapper */
  	};
  
  	UIC0: interrupt-controller {
  		compatible = "ibm,uic-405ez", "ibm,uic";
  		interrupt-controller;
  		dcr-reg = <0x0c0 0x009>;
  		cell-index = <0>;
  		#address-cells = <0>;
  		#size-cells = <0>;
  		#interrupt-cells = <2>;
  	};
  
  	plb {
  		compatible = "ibm,plb-405ez", "ibm,plb3";
  		#address-cells = <1>;
  		#size-cells = <1>;
  		ranges;
  		clock-frequency = <0>; /* Filled in by wrapper */
  
  		MAL0: mcmal {
  			compatible = "ibm,mcmal-405ez", "ibm,mcmal";
  			dcr-reg = <0x380 0x62>;
  			num-tx-chans = <1>;
  			num-rx-chans = <1>;
  			interrupt-parent = <&UIC0>;
  			/* 405EZ has only 3 interrupts to the UIC, as
  			 * SERR, TXDE, and RXDE are or'd together into
  			 * one UIC bit
  			 */
  			interrupts = <
  				0x13 0x4 /* TXEOB */
  				0x15 0x4 /* RXEOB */
  				0x12 0x4 /* SERR, TXDE, RXDE */>;
  		};
  
  		POB0: opb {
  			compatible = "ibm,opb-405ez", "ibm,opb";
  			#address-cells = <1>;
  			#size-cells = <1>;
  			ranges;
  			dcr-reg = <0x0a 0x05>;
  			clock-frequency = <0>; /* Filled in by wrapper */
  
  			UART0: serial@ef600300 {
  				device_type = "serial";
  				compatible = "ns16550";
  				reg = <0xef600300 0x8>;
  				virtual-reg = <0xef600300>;
  				clock-frequency = <0>; /* Filled in by wrapper */
  				current-speed = <115200>;
  				interrupt-parent = <&UIC0>;
  				interrupts = <0x5 0x4>;
  			};
  
  			UART1: serial@ef600400 {
  				device_type = "serial";
  				compatible = "ns16550";
  				reg = <0xef600400 0x8>;
  				clock-frequency = <0>; /* Filled in by wrapper */
  				current-speed = <115200>;
  				interrupt-parent = <&UIC0>;
  				interrupts = <0x6 0x4>;
  			};
  
  			IIC: i2c@ef600500 {
  				compatible = "ibm,iic-405ez", "ibm,iic";
  				reg = <0xef600500 0x11>;
  				interrupt-parent = <&UIC0>;
  				interrupts = <0xa 0x4>;
  			};
  
  			GPIO0: gpio@ef600700 {
  				compatible = "ibm,gpio-405ez";
  				reg = <0xef600700 0x20>;
  			};
  
  			GPIO1: gpio@ef600800 {
  				compatible = "ibm,gpio-405ez";
  				reg = <0xef600800 0x20>;
  			};
  
  			EMAC0: ethernet@ef600900 {
  				device_type = "network";
  				compatible = "ibm,emac-405ez", "ibm,emac";
  				interrupt-parent = <&UIC0>;
  				interrupts = <
  					0x10 0x4 /* Ethernet */
  					0x11 0x4 /* Ethernet Wake up */>;
  				local-mac-address = [000000000000]; /* Filled in by wrapper */
  				reg = <0xef600900 0x70>;
  				mal-device = <&MAL0>;
  				mal-tx-channel = <0>;
  				mal-rx-channel = <0>;
  				cell-index = <0>;
  				max-frame-size = <1500>;
  				rx-fifo-size = <4096>;
  				tx-fifo-size = <2048>;
  				phy-mode = "mii";
  				phy-map = <0x0>;
  			};
  
  			CAN0: can@ef601000 {
  				compatible = "amcc,can-405ez";
  				reg = <0xef601000 0x620>;
  				interrupt-parent = <&UIC0>;
  				interrupts = <0x7 0x4>;
  			};
  
  			CAN1: can@ef601800 {
  				compatible = "amcc,can-405ez";
  				reg = <0xef601800 0x620>;
  				interrupt-parent = <&UIC0>;
  				interrupts = <0x8 0x4>;
  			};
  
  			cameleon@ef602000 {
  				compatible = "amcc,cameleon-405ez";
  				reg = <0xef602000 0x800>;
  				interrupt-parent = <&UIC0>;
  				interrupts = <0xb 0x4 0xc 0x4>;
  			};
  
  			ieee1588@ef602800 {
  				compatible = "amcc,ieee1588-405ez";
  				reg = <0xef602800 0x60>;
  				interrupt-parent = <&UIC0>;
  				interrupts = <0x4 0x4>;
  				/* This thing is a bit weird.  It has it's own UIC
  				 * that it uses to generate snapshot triggers.  We
  				 * don't really support this device yet, and it needs
  				 * work to figure this out.
  				 */
  				dcr-reg = <0xe0 0x9>;
  			};
  
  			usb@ef603000 {
  				compatible = "ohci-be";
  				reg = <0xef603000 0x80>;
  				interrupts-parent = <&UIC0>;
  				interrupts = <0xd 0x4 0xe 0x4>;
  			};
  
  			dac@ef603300 {
  				compatible = "amcc,dac-405ez";
  				reg = <0xef603300 0x40>;
  				interrupt-parent = <&UIC0>;
  				interrupts = <0x18 0x4>;
  			};
  
  			adc@ef603400 {
  				compatible = "amcc,adc-405ez";
  				reg = <0xef603400 0x40>;
  				interrupt-parent = <&UIC0>;
  				interrupts = <0x17 0x4>;
  			};
  
  			spi@ef603500 {
  				compatible = "amcc,spi-405ez";
  				reg = <0xef603500 0x100>;
  				interrupt-parent = <&UIC0>;
  				interrupts = <0x9 0x4>;
  			};
  		};
  
  		EBC0: ebc {
  			compatible = "ibm,ebc-405ez", "ibm,ebc";
  			dcr-reg = <0x12 0x2>;
  			#address-cells = <2>;
  			#size-cells = <1>;
  			clock-frequency = <0>; /* Filled in by wrapper */
  		};
  	};
  
  	chosen {
  		linux,stdout-path = "/plb/opb/serial@ef600300";
  	};
  };