xref: /kernel/linux/linux-6.6/arch/powerpc/boot/dts/bamboo.dts

/*
 * 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
			 * The chip also supports a larger memory range but
			 * it's not naturally aligned, so our code will break
			 */
			ranges = <0x02000000 0x00000000 0xa0000000 0x00000000 0xa0000000 0x00000000 0x20000000
				  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 {
		stdout-path = "/plb/opb/serial@ef600300";
	};
};