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kernel/linux-rt-4.4.41/arch/powerpc/boot/dts/bamboo.dts 7.65 KB
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  /*
   * Device Tree Source for AMCC Bamboo
   *
   * Copyright (c) 2006, 2007 IBM Corp.
   * Josh Boyer <jwboyer@linux.vnet.ibm.com>
   *
   * FIXME: Draft only!
   *
   * 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 = <2>;
  	#size-cells = <1>;
  	model = "amcc,bamboo";
  	compatible = "amcc,bamboo";
  	dcr-parent = <&{/cpus/cpu@0}>;
  
  	aliases {
  		ethernet0 = &EMAC0;
  		ethernet1 = &EMAC1;
  		serial0 = &UART0;
  		serial1 = &UART1;
  		serial2 = &UART2;
  		serial3 = &UART3;
  	};
  
  	cpus {
  		#address-cells = <1>;
  		#size-cells = <0>;
  
  		cpu@0 {
  			device_type = "cpu";
  			model = "PowerPC,440EP";
  			reg = <0x00000000>;
  			clock-frequency = <0>; /* Filled in by zImage */
  			timebase-frequency = <0>; /* Filled in by zImage */
  			i-cache-line-size = <32>;
  			d-cache-line-size = <32>;
  			i-cache-size = <32768>;
  			d-cache-size = <32768>;
  			dcr-controller;
  			dcr-access-method = "native";
  		};
  	};
  
  	memory {
  		device_type = "memory";
  		reg = <0x00000000 0x00000000 0x00000000>; /* Filled in by zImage */
  	};
  
  	UIC0: interrupt-controller0 {
  		compatible = "ibm,uic-440ep","ibm,uic";
  		interrupt-controller;
  		cell-index = <0>;
  		dcr-reg = <0x0c0 0x009>;
  		#address-cells = <0>;
  		#size-cells = <0>;
  		#interrupt-cells = <2>;
  	};
  
  	UIC1: interrupt-controller1 {
  		compatible = "ibm,uic-440ep","ibm,uic";
  		interrupt-controller;
  		cell-index = <1>;
  		dcr-reg = <0x0d0 0x009>;
  		#address-cells = <0>;
  		#size-cells = <0>;
  		#interrupt-cells = <2>;
  		interrupts = <0x1e 0x4 0x1f 0x4>; /* cascade */
  		interrupt-parent = <&UIC0>;
  	};
  
  	SDR0: sdr {
  		compatible = "ibm,sdr-440ep";
  		dcr-reg = <0x00e 0x002>;
  	};
  
  	CPR0: cpr {
  		compatible = "ibm,cpr-440ep";
  		dcr-reg = <0x00c 0x002>;
  	};
  
  	plb {
  		compatible = "ibm,plb-440ep", "ibm,plb-440gp", "ibm,plb4";
  		#address-cells = <2>;
  		#size-cells = <1>;
  		ranges;
  		clock-frequency = <0>; /* Filled in by zImage */
  
  		SDRAM0: sdram {
  			compatible = "ibm,sdram-440ep", "ibm,sdram-405gp";
  			dcr-reg = <0x010 0x002>;
  		};
  
  		DMA0: dma {
  			compatible = "ibm,dma-440ep", "ibm,dma-440gp";
  			dcr-reg = <0x100 0x027>;
  		};
  
  		MAL0: mcmal {
  			compatible = "ibm,mcmal-440ep", "ibm,mcmal-440gp", "ibm,mcmal";
  			dcr-reg = <0x180 0x062>;
  			num-tx-chans = <4>;
  			num-rx-chans = <2>;
  			interrupt-parent = <&MAL0>;
  			interrupts = <0x0 0x1 0x2 0x3 0x4>;
  			#interrupt-cells = <1>;
  			#address-cells = <0>;
  			#size-cells = <0>;
  			interrupt-map = </*TXEOB*/ 0x0 &UIC0 0xa 0x4
  					/*RXEOB*/ 0x1 &UIC0 0xb 0x4
  					/*SERR*/  0x2 &UIC1 0x0 0x4
  					/*TXDE*/  0x3 &UIC1 0x1 0x4
  					/*RXDE*/  0x4 &UIC1 0x2 0x4>;
  		};
  
  		POB0: opb {
  		  	compatible = "ibm,opb-440ep", "ibm,opb-440gp", "ibm,opb";
  			#address-cells = <1>;
  			#size-cells = <1>;
  			/* Bamboo is oddball in the 44x world and doesn't use the ERPN
  			 * bits.
  			 */
  		  	ranges = <0x00000000 0x00000000 0x00000000 0x80000000
  			          0x80000000 0x00000000 0x80000000 0x80000000>;
  		  	interrupt-parent = <&UIC1>;
  		  	interrupts = <0x7 0x4>;
  		  	clock-frequency = <0>; /* Filled in by zImage */
  
  			EBC0: ebc {
  				compatible = "ibm,ebc-440ep", "ibm,ebc-440gp", "ibm,ebc";
  				dcr-reg = <0x012 0x002>;
  				#address-cells = <2>;
  				#size-cells = <1>;
  				clock-frequency = <0>; /* Filled in by zImage */
  				interrupts = <0x5 0x1>;
  				interrupt-parent = <&UIC1>;
  			};
  
  			UART0: serial@ef600300 {
  		   		device_type = "serial";
  		   		compatible = "ns16550";
  		   		reg = <0xef600300 0x00000008>;
  		   		virtual-reg = <0xef600300>;
  		   		clock-frequency = <0>; /* Filled in by zImage */
  		   		current-speed = <115200>;
  		   		interrupt-parent = <&UIC0>;
  		   		interrupts = <0x0 0x4>;
  	   		};
  
  			UART1: serial@ef600400 {
  		   		device_type = "serial";
  		   		compatible = "ns16550";
  		   		reg = <0xef600400 0x00000008>;
  		   		virtual-reg = <0xef600400>;
  		   		clock-frequency = <0>;
  		   		current-speed = <0>;
  		   		interrupt-parent = <&UIC0>;
  		   		interrupts = <0x1 0x4>;
  	   		};
  
  			UART2: serial@ef600500 {
  		   		device_type = "serial";
  		   		compatible = "ns16550";
  		   		reg = <0xef600500 0x00000008>;
  		   		virtual-reg = <0xef600500>;
  		   		clock-frequency = <0>;
  		   		current-speed = <0>;
  		   		interrupt-parent = <&UIC0>;
  		   		interrupts = <0x3 0x4>;
  	   		};
  
  			UART3: serial@ef600600 {
  		   		device_type = "serial";
  		   		compatible = "ns16550";
  		   		reg = <0xef600600 0x00000008>;
  		   		virtual-reg = <0xef600600>;
  		   		clock-frequency = <0>;
  		   		current-speed = <0>;
  		   		interrupt-parent = <&UIC0>;
  		   		interrupts = <0x4 0x4>;
  	   		};
  
  			IIC0: i2c@ef600700 {
  				compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
  				reg = <0xef600700 0x00000014>;
  				interrupt-parent = <&UIC0>;
  				interrupts = <0x2 0x4>;
  			};
  
  			IIC1: i2c@ef600800 {
  				compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
  				reg = <0xef600800 0x00000014>;
  				interrupt-parent = <&UIC0>;
  				interrupts = <0x7 0x4>;
  			};
  
  			ZMII0: emac-zmii@ef600d00 {
  				compatible = "ibm,zmii-440ep", "ibm,zmii-440gp", "ibm,zmii";
  				reg = <0xef600d00 0x0000000c>;
  			};
  
  			EMAC0: ethernet@ef600e00 {
  				device_type = "network";
  				compatible = "ibm,emac-440ep", "ibm,emac-440gp", "ibm,emac";
  				interrupt-parent = <&UIC1>;
  				interrupts = <0x1c 0x4 0x1d 0x4>;
  				reg = <0xef600e00 0x00000070>;
  				local-mac-address = [000000000000];
  				mal-device = <&MAL0>;
  				mal-tx-channel = <0 1>;
  				mal-rx-channel = <0>;
  				cell-index = <0>;
  				max-frame-size = <1500>;
  				rx-fifo-size = <4096>;
  				tx-fifo-size = <2048>;
  				phy-mode = "rmii";
  				phy-map = <0x00000000>;
  				zmii-device = <&ZMII0>;
  				zmii-channel = <0>;
  			};
  
  			EMAC1: ethernet@ef600f00 {
  				device_type = "network";
  				compatible = "ibm,emac-440ep", "ibm,emac-440gp", "ibm,emac";
  				interrupt-parent = <&UIC1>;
  				interrupts = <0x1e 0x4 0x1f 0x4>;
  				reg = <0xef600f00 0x00000070>;
  				local-mac-address = [000000000000];
  				mal-device = <&MAL0>;
  				mal-tx-channel = <2 3>;
  				mal-rx-channel = <1>;
  				cell-index = <1>;
  				max-frame-size = <1500>;
  				rx-fifo-size = <4096>;
  				tx-fifo-size = <2048>;
  				phy-mode = "rmii";
  				phy-map = <0x00000000>;
  				zmii-device = <&ZMII0>;
  				zmii-channel = <1>;
  			};
  
  			usb@ef601000 {
  				compatible = "ohci-be";
  				reg = <0xef601000 0x00000080>;
  				interrupts = <0x8 0x1 0x9 0x1>;
  				interrupt-parent = < &UIC1 >;
  			};
  		};
  
  		PCI0: pci@ec000000 {
  			device_type = "pci";
  			#interrupt-cells = <1>;
  			#size-cells = <2>;
  			#address-cells = <3>;
  			compatible = "ibm,plb440ep-pci", "ibm,plb-pci";
  			primary;
  			reg = <0x00000000 0xeec00000 0x00000008	/* Config space access */
  			       0x00000000 0xeed00000 0x00000004	/* IACK */
  			       0x00000000 0xeed00000 0x00000004	/* Special cycle */
  			       0x00000000 0xef400000 0x00000040>;	/* Internal registers */
  
  			/* Outbound ranges, one memory and one IO,
  			 * later cannot be changed. Chip supports a second
  			 * IO range but we don't use it for now
  			 */
  			ranges = <0x02000000 0x00000000 0xa0000000 0x00000000 0xa0000000 0x00000000 0x40000000
  				  0x02000000 0x00000000 0x00000000 0x00000000 0xe0000000 0x00000000 0x00100000
  				  0x01000000 0x00000000 0x00000000 0x00000000 0xe8000000 0x00000000 0x00010000>;
  
  			/* Inbound 2GB range starting at 0 */
  			dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
  
  			/* Bamboo has all 4 IRQ pins tied together per slot */
  			interrupt-map-mask = <0xf800 0x0 0x0 0x0>;
  			interrupt-map = <
  				/* IDSEL 1 */
  				0x800 0x0 0x0 0x0 &UIC0 0x1c 0x8
  
  				/* IDSEL 2 */
  				0x1000 0x0 0x0 0x0 &UIC0 0x1b 0x8
  
  				/* IDSEL 3 */
  				0x1800 0x0 0x0 0x0 &UIC0 0x1a 0x8
  
  				/* IDSEL 4 */
  				0x2000 0x0 0x0 0x0 &UIC0 0x19 0x8
  			>;
  		};
  	};
  
  	chosen {
  		linux,stdout-path = "/plb/opb/serial@ef600300";
  	};
  };