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

/*
 * Device Tree Source for AMCC Redwood(460SX)
 *
 * Copyright 2008 AMCC <tmarri@amcc.com>
 *
 * 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,redwood";
	compatible = "amcc,redwood";
	dcr-parent = <&{/cpus/cpu@0}>;

	aliases {
		ethernet0 = &EMAC0;
		serial0 = &UART0;
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu@0 {
			device_type = "cpu";
			model = "PowerPC,460SX";
			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";
		};
	};

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

	UIC0: interrupt-controller0 {
		compatible = "ibm,uic-460sx","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-460sx","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-460sx","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-460sx","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>;
	};

	SDR0: sdr {
		compatible = "ibm,sdr-460sx";
		dcr-reg = <0x00e 0x002>;
	};

	CPR0: cpr {
		compatible = "ibm,cpr-460sx";
		dcr-reg = <0x00c 0x002>;
	};

	plb {
		compatible = "ibm,plb-460sx", "ibm,plb4";
		#address-cells = <2>;
		#size-cells = <1>;
		ranges;
		clock-frequency = <0>; /* Filled in by U-Boot */

		SDRAM0: sdram {
			compatible = "ibm,sdram-460sx", "ibm,sdram-405gp";
			dcr-reg = <0x010 0x002>;
		};

		MAL0: mcmal {
			compatible = "ibm,mcmal-460sx", "ibm,mcmal2";
			dcr-reg = <0x180 0x62>;
			num-tx-chans = <4>;
			num-rx-chans = <32>;
			#address-cells = <1>;
			#size-cells = <1>;
			interrupt-parent = <&UIC1>;
			interrupts = <	/*TXEOB*/ 0x6 0x4
					/*RXEOB*/ 0x7 0x4
					/*SERR*/  0x1 0x4
					/*TXDE*/  0x2 0x4
					/*RXDE*/  0x3 0x4
					/*COAL TX0*/ 0x18 0x2
					/*COAL TX1*/ 0x19 0x2
					/*COAL TX2*/ 0x1a 0x2
					/*COAL TX3*/ 0x1b 0x2
					/*COAL RX0*/ 0x1c 0x2
					/*COAL RX1*/ 0x1d 0x2
					/*COAL RX2*/ 0x1e 0x2
					/*COAL RX3*/ 0x1f 0x2>;
		};

		POB0: opb {
			compatible = "ibm,opb-460sx", "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-460sx", "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 */
				interrupts = <0x6 0x4>;
				interrupt-parent = <&UIC1>;

				nor_flash@0,0 {
					compatible = "amd,s29gl512n", "cfi-flash";
					bank-width = <2>;
					reg = <0x0000000 0x00000000 0x04000000>;
					#address-cells = <1>;
					#size-cells = <1>;
					partition@0 {
						label = "kernel";
						reg = <0x00000000 0x001e0000>;
					};
					partition@1e0000 {
						label = "dtb";
						reg = <0x001e0000 0x00020000>;
					};
					partition@200000 {
						label = "ramdisk";
						reg = <0x00200000 0x01400000>;
					};
					partition@1600000 {
						label = "jffs2";
						reg = <0x01600000 0x00400000>;
					};
					partition@1a00000 {
						label = "user";
						reg = <0x01a00000 0x02560000>;
					};
					partition@3f60000 {
						label = "env";
						reg = <0x03f60000 0x00040000>;
					};
					partition@3fa0000 {
						label = "u-boot";
						reg = <0x03fa0000 0x00060000>;
					};
				};
			};

			UART0: serial@ef600200 {
				device_type = "serial";
				compatible = "ns16550";
				reg = <0xef600200 0x00000008>;
				virtual-reg = <0xef600200>;
				clock-frequency = <0>; /* Filled in by U-Boot */
				current-speed = <0>; /* Filled in by U-Boot */
				interrupt-parent = <&UIC0>;
				interrupts = <0x0 0x4>;
			};

			RGMII0: emac-rgmii@ef600900 {
				compatible = "ibm,rgmii-460sx", "ibm,rgmii";
				reg = <0xef600900 0x00000008>;
			};

			EMAC0: ethernet@ef600a00 {
				device_type = "network";
				compatible = "ibm,emac-460sx", "ibm,emac4";
				interrupt-parent = <&EMAC0>;
				interrupts = <0x0 0x1>;
				#interrupt-cells = <1>;
				#address-cells = <0>;
				#size-cells = <0>;
				interrupt-map = </*Status*/ 0x0 &UIC0 0x13 0x4
						 /*Wake*/   0x1 &UIC2 0x1d 0x4>;
				reg = <0xef600a00 0x00000070>;
				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 = <4096>;
				tx-fifo-size = <2048>;
				rx-fifo-size-gige = <16384>;
				phy-mode = "rgmii";
				phy-map = <0x00000000>;
				rgmii-device = <&RGMII0>;
				rgmii-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-460sx", "ibm,plb-pciex";
			primary;
			port = <0x0>; /* port number */
			reg = <0x0000000d 0x00000000 0x20000000	/* Config space access */
			       0x0000000c 0x10000000 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
				  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 10 to 0x1f */
			bus-range = <0x10 0x1f>;

			/* 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 0x0 0x4 /* swizzled int A */
				0x0 0x0 0x0 0x2 &UIC3 0x1 0x4 /* swizzled int B */
				0x0 0x0 0x0 0x3 &UIC3 0x2 0x4 /* swizzled int C */
				0x0 0x0 0x0 0x4 &UIC3 0x3 0x4 /* swizzled int D */>;
		};

		PCIE1: pcie@d20000000 {
			device_type = "pci";
			#interrupt-cells = <1>;
			#size-cells = <2>;
			#address-cells = <3>;
			compatible = "ibm,plb-pciex-460sx", "ibm,plb-pciex";
			primary;
			port = <0x1>; /* port number */
			reg = <0x0000000d 0x20000000 0x20000000	/* Config space access */
			       0x0000000c 0x10001000 0x00001000>;	/* Registers */
			dcr-reg = <0x120 0x020>;
			sdr-base = <0x340>;

			/* Outbound ranges, one memory and one IO,
			 * later cannot be changed
			 */
			ranges = <0x02000000 0x00000000 0x80000000 0x0000000e 0x80000000 0x00000000 0x80000000
				  0x01000000 0x00000000 0x00000000 0x0000000f 0x80010000 0x00000000 0x00010000>;

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

			/* This drives busses 10 to 0x1f */
			bus-range = <0x20 0x2f>;

			/* 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 0x4 0x4 /* swizzled int A */
				0x0 0x0 0x0 0x2 &UIC3 0x5 0x4 /* swizzled int B */
				0x0 0x0 0x0 0x3 &UIC3 0x6 0x4 /* swizzled int C */
				0x0 0x0 0x0 0x4 &UIC3 0x7 0x4 /* swizzled int D */>;
		};

		PCIE2: pcie@d40000000 {
			device_type = "pci";
			#interrupt-cells = <1>;
			#size-cells = <2>;
			#address-cells = <3>;
			compatible = "ibm,plb-pciex-460sx", "ibm,plb-pciex";
			primary;
			port = <0x2>; /* port number */
			reg = <0x0000000d 0x40000000 0x20000000	/* Config space access */
			       0x0000000c 0x10002000 0x00001000>;	/* Registers */
			dcr-reg = <0x140 0x020>;
			sdr-base = <0x370>;

			/* Outbound ranges, one memory and one IO,
			 * later cannot be changed
			 */
			ranges = <0x02000000 0x00000000 0x80000000 0x0000000f 0x00000000 0x00000000 0x80000000
				  0x01000000 0x00000000 0x00000000 0x0000000f 0x80020000 0x00000000 0x00010000>;

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

			/* This drives busses 10 to 0x1f */
			bus-range = <0x30 0x3f>;

			/* 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 0x8 0x4 /* swizzled int A */
				0x0 0x0 0x0 0x2 &UIC3 0x9 0x4 /* swizzled int B */
				0x0 0x0 0x0 0x3 &UIC3 0xa 0x4 /* swizzled int C */
				0x0 0x0 0x0 0x4 &UIC3 0xb 0x4 /* swizzled int D */>;
		};

	};


	chosen {
		stdout-path = "/plb/opb/serial@ef600200";
	};

};