src/powerpc/bluestone.dts

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Device Tree for Bluestone (APM821xx) board.
 *
 * Copyright (c) 2010, Applied Micro Circuits Corporation
 * Author: Tirumala R Marri <tmarri@apm.com>
 */

/dts-v1/;

/ {
	#address-cells = <2>;
	#size-cells = <1>;
	model = "apm,bluestone";
	compatible = "apm,bluestone";
	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,apm821xx";
			reg = <0x00000000>;
			clock-frequency = <0>; /* Filled in by U-Boot */
			timebase-frequency = <0>; /* Filled in by U-Boot */
			i-cache-line-size = <32>;
			d-cache-line-size = <32>;
			i-cache-size = <32768>;
			d-cache-size = <32768>;
			dcr-controller;
			dcr-access-method = "native";
			next-level-cache = <&L2C0>;
		};
	};

	memory {
		device_type = "memory";
		reg = <0x00000000 0x00000000 0x00000000>; /* Filled in by U-Boot */
	};

	UIC0: interrupt-controller0 {
		compatible = "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";
		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>;
	};

	UIC2: interrupt-controller2 {
		compatible = "ibm,uic";
		interrupt-controller;
		cell-index = <2>;
		dcr-reg = <0x0e0 0x009>;
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;
		interrupts = <0xa 0x4 0xb 0x4>; /* cascade */
		interrupt-parent = <&UIC0>;
	};

	UIC3: interrupt-controller3 {
		compatible = "ibm,uic";
		interrupt-controller;
		cell-index = <3>;
		dcr-reg = <0x0f0 0x009>;
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;
		interrupts = <0x10 0x4 0x11 0x4>; /* cascade */
		interrupt-parent = <&UIC0>;
	};

	OCM: ocm@400040000 {
		compatible = "ibm,ocm";
		status = "okay";
		cell-index = <1>;
		/* configured in U-Boot */
		reg = <4 0x00040000 0x8000>; /* 32K */
	};

	SDR0: sdr {
		compatible = "ibm,sdr-apm821xx";
		dcr-reg = <0x00e 0x002>;
	};

	CPR0: cpr {
		compatible = "ibm,cpr-apm821xx";
		dcr-reg = <0x00c 0x002>;
	};

	L2C0: l2c {
		compatible = "ibm,l2-cache-apm82181", "ibm,l2-cache";
		dcr-reg = <0x020 0x008
			   0x030 0x008>;
		cache-line-size = <32>;
		cache-size = <262144>;
		interrupt-parent = <&UIC1>;
		interrupts = <11 1>;
	};

	plb {
		compatible = "ibm,plb4";
		#address-cells = <2>;
		#size-cells = <1>;
		ranges;
		clock-frequency = <0>; /* Filled in by U-Boot */

		SDRAM0: sdram {
			compatible = "ibm,sdram-apm821xx";
			dcr-reg = <0x010 0x002>;
		};

		MAL0: mcmal {
			compatible = "ibm,mcmal2";
			descriptor-memory = "ocm";
			dcr-reg = <0x180 0x062>;
			num-tx-chans = <1>;
			num-rx-chans = <1>;
			#address-cells = <0>;
			#size-cells = <0>;
			interrupt-parent = <&UIC2>;
			interrupts = <	/*TXEOB*/ 0x6 0x4
					/*RXEOB*/ 0x7 0x4
					/*SERR*/  0x3 0x4
					/*TXDE*/  0x4 0x4
					/*RXDE*/  0x5 0x4>;
		};

		POB0: opb {
			compatible = "ibm,opb";
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0xb0000000 0x00000004 0xb0000000 0x50000000>;
			clock-frequency = <0>; /* Filled in by U-Boot */

			EBC0: ebc {
				compatible = "ibm,ebc";
				dcr-reg = <0x012 0x002>;
				#address-cells = <2>;
				#size-cells = <1>;
				clock-frequency = <0>; /* Filled in by U-Boot */
				/* ranges property is supplied by U-Boot */
				ranges = < 0x00000003 0x00000000 0xe0000000 0x8000000>;
				interrupts = <0x6 0x4>;
				interrupt-parent = <&UIC1>;

				nor_flash@0,0 {
					compatible = "amd,s29gl512n", "cfi-flash";
					bank-width = <2>;
					reg = <0x00000000 0x00000000 0x00400000>;
					#address-cells = <1>;
					#size-cells = <1>;
					partition@0 {
						label = "kernel";
						reg = <0x00000000 0x00180000>;
					};
					partition@180000 {
						label = "env";
						reg = <0x00180000 0x00020000>;
					};
					partition@1a0000 {
						label = "u-boot";
						reg = <0x001a0000 0x00060000>;
					};
				};

				ndfc@1,0 {
					compatible = "ibm,ndfc";
					reg = <0x00000003 0x00000000 0x00002000>;
					ccr = <0x00001000>;
					bank-settings = <0x80002222>;
					#address-cells = <1>;
					#size-cells = <1>;
					/* 2Gb Nand Flash */
					nand {
						#address-cells = <1>;
						#size-cells = <1>;

						partition@0 {
							label = "firmware";
							reg   = <0x00000000 0x00C00000>;
						};
						partition@c00000 {
							label = "environment";
							reg   = <0x00C00000 0x00B00000>;
						};
						partition@1700000 {
							label = "kernel";
							reg   = <0x01700000 0x00E00000>;
						};
						partition@2500000 {
							label = "root";
							reg   = <0x02500000 0x08200000>;
						};
						partition@a700000 {
							label = "device-tree";
							reg   = <0x0A700000 0x00B00000>;
						};
						partition@b200000 {
							label = "config";
							reg   = <0x0B200000 0x00D00000>;
						};
						partition@bf00000 {
							label = "diag";
							reg   = <0x0BF00000 0x00C00000>;
						};
						partition@cb00000 {
							label = "vendor";
							reg   = <0x0CB00000 0x3500000>;
						};
					};
				};
			};

			UART0: serial@ef600300 {
				device_type = "serial";
				compatible = "ns16550";
				reg = <0xef600300 0x00000008>;
				virtual-reg = <0xef600300>;
				clock-frequency = <0>; /* Filled in by U-Boot */
				current-speed = <0>; /* Filled in by U-Boot */
				interrupt-parent = <&UIC1>;
				interrupts = <0x1 0x4>;
			};

			UART1: serial@ef600400 {
				device_type = "serial";
				compatible = "ns16550";
				reg = <0xef600400 0x00000008>;
				virtual-reg = <0xef600400>;
				clock-frequency = <0>; /* Filled in by U-Boot */
				current-speed = <0>; /* Filled in by U-Boot */
				interrupt-parent = <&UIC0>;
				interrupts = <0x1 0x4>;
			};

			IIC0: i2c@ef600700 {
				compatible = "ibm,iic";
				reg = <0xef600700 0x00000014>;
				interrupt-parent = <&UIC0>;
				interrupts = <0x2 0x4>;
				#address-cells = <1>;
				#size-cells = <0>;
				rtc@68 {
					compatible = "st,m41t80";
					reg = <0x68>;
					interrupt-parent = <&UIC0>;
					interrupts = <0x9 0x8>;
				};
				sttm@4C {
					compatible = "adm,adm1032";
					reg = <0x4C>;
					interrupt-parent = <&UIC1>;
					interrupts = <0x1E 0x8>; /* CPU_THERNAL_L */
				};
			};

			IIC1: i2c@ef600800 {
				compatible = "ibm,iic";
				reg = <0xef600800 0x00000014>;
				interrupt-parent = <&UIC0>;
				interrupts = <0x3 0x4>;
			};

			RGMII0: emac-rgmii@ef601500 {
				compatible = "ibm,rgmii";
				reg = <0xef601500 0x00000008>;
				has-mdio;
			};

			TAH0: emac-tah@ef601350 {
				compatible = "ibm,tah";
				reg = <0xef601350 0x00000030>;
			};

			EMAC0: ethernet@ef600c00 {
				device_type = "network";
				compatible = "ibm,emac-apm821xx", "ibm,emac4sync";
				interrupt-parent = <&EMAC0>;
				interrupts = <0x0 0x1>;
				#interrupt-cells = <1>;
				#address-cells = <0>;
				#size-cells = <0>;
				interrupt-map = </*Status*/ 0x0 &UIC2 0x10 0x4
						 /*Wake*/   0x1 &UIC2 0x14 0x4>;
				reg = <0xef600c00 0x000000c4>;
				local-mac-address = [000000000000]; /* Filled in by U-Boot */
				mal-device = <&MAL0>;
				mal-tx-channel = <0>;
				mal-rx-channel = <0>;
				cell-index = <0>;
				max-frame-size = <9000>;
				rx-fifo-size = <16384>;
				tx-fifo-size = <2048>;
				phy-mode = "rgmii";
				phy-map = <0x00000000>;
				rgmii-device = <&RGMII0>;
				rgmii-channel = <0>;
				tah-device = <&TAH0>;
				tah-channel = <0>;
				has-inverted-stacr-oc;
				has-new-stacr-staopc;
			};
		};

		PCIE0: pcie@d00000000 {
			device_type = "pci";
			#interrupt-cells = <1>;
			#size-cells = <2>;
			#address-cells = <3>;
			compatible = "ibm,plb-pciex-apm821xx", "ibm,plb-pciex";
			primary;
			port = <0x0>; /* port number */
			reg = <0x0000000d 0x00000000 0x20000000	/* Config space access */
			       0x0000000c 0x08010000 0x00001000>;	/* Registers */
			dcr-reg = <0x100 0x020>;
			sdr-base = <0x300>;

			/* Outbound ranges, one memory and one IO,
			 * later cannot be changed
			 */
			ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x00000000 0x00000000 0x80000000
				  0x02000000 0x00000000 0x00000000 0x0000000f 0x00000000 0x00000000 0x00100000
				  0x01000000 0x00000000 0x00000000 0x0000000f 0x80000000 0x00000000 0x00010000>;

			/* Inbound 2GB range starting at 0 */
			dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;

			/* This drives busses 40 to 0x7f */
			bus-range = <0x40 0x7f>;

			/* Legacy interrupts (note the weird polarity, the bridge seems
			 * to invert PCIe legacy interrupts).
			 * We are de-swizzling here because the numbers are actually for
			 * port of the root complex virtual P2P bridge. But I want
			 * to avoid putting a node for it in the tree, so the numbers
			 * below are basically de-swizzled numbers.
			 * The real slot is on idsel 0, so the swizzling is 1:1
			 */
			interrupt-map-mask = <0x0 0x0 0x0 0x7>;
			interrupt-map = <
				0x0 0x0 0x0 0x1 &UIC3 0xc 0x4 /* swizzled int A */
				0x0 0x0 0x0 0x2 &UIC3 0xd 0x4 /* swizzled int B */
				0x0 0x0 0x0 0x3 &UIC3 0xe 0x4 /* swizzled int C */
				0x0 0x0 0x0 0x4 &UIC3 0xf 0x4 /* swizzled int D */>;
		};
	};
};