openwrt/target/linux/apm821xx/dts/apm82181.dtsi

// 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>
 */

#include <dt-bindings/dma/dw-dmac.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>

/ {
	#address-cells = <2>;
	#size-cells = <1>;
	dcr-parent = <&{/cpus/cpu@0}>;
	compatible = "apm,bluestone";

	aliases {
		ethernet0 = &EMAC0; /* needed for BSP u-boot */
	};

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

		CPU0: cpu@0 {
			device_type = "cpu";
			model = "PowerPC,apm82181";
			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 = "apm,uic-apm82181", "ibm,uic";
		interrupt-controller;
		cell-index = <0>;
		dcr-reg = <0x0c0 0x009>;
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;
	};

	UIC1: interrupt-controller1 {
		compatible = "apm,uic-apm82181", "ibm,uic";
		interrupt-controller;
		cell-index = <1>;
		dcr-reg = <0x0d0 0x009>;
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;
		interrupts = <0x1e IRQ_TYPE_LEVEL_HIGH>,
			     <0x1f IRQ_TYPE_LEVEL_HIGH>; /* cascade */
		interrupt-parent = <&UIC0>;
	};

	UIC2: interrupt-controller2 {
		compatible = "apm,uic-apm82181", "ibm,uic";
		interrupt-controller;
		cell-index = <2>;
		dcr-reg = <0x0e0 0x009>;
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;
		interrupts = <0x0a IRQ_TYPE_LEVEL_HIGH>,
			     <0x0b IRQ_TYPE_LEVEL_HIGH>; /* cascade */
		interrupt-parent = <&UIC0>;
	};

	UIC3: interrupt-controller3 {
		compatible = "apm,uic-apm82181","ibm,uic";
		interrupt-controller;
		cell-index = <3>;
		dcr-reg = <0x0f0 0x009>;
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;
		interrupts = <0x10 IRQ_TYPE_LEVEL_HIGH>,
			     <0x11 IRQ_TYPE_LEVEL_HIGH>; /* cascade */
		interrupt-parent = <&UIC0>;
	};

	OCM1: ocm@400040000 {
		compatible = "apm,ocm-apm82181", "ibm,ocm";
		status = "okay";
		cell-index = <1>;
		/* configured in U-Boot */
		reg = <4 0x00040000 0x8000>; /* 32K */
	};

	SDR0: sdr {
		compatible = "apm,sdr-apm82181", "ibm,sdr-460ex";
		dcr-reg = <0x00e 0x002>;
	};

	CPR0: cpr {
		compatible = "apm,cpr-apm82181", "ibm,cpr-460ex";
		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 = <0x0b IRQ_TYPE_EDGE_RISING>;
	};

	CPM0: cpm {
		compatible = "ibm,cpm-apm821xx", "ibm,cpm";
		cell-index = <0>;
		dcr-reg = <0x160 0x003>;
		pm-cpu = <0x02000000>;
		pm-doze = <0x302570F0>;
		pm-nap = <0x302570F0>;
		pm-deepsleep = <0x302570F0>;
		pm-iic-device = <&IIC0>;
		pm-emac-device = <&EMAC0>;
		unused-units = <0x00000100>;
		idle-doze = <0x02000000>;
		standby = <0xfeff791d>;
	};

	plb {
		compatible = "apm,plb-apm82181", "ibm,plb-460ex", "ibm,plb4";
		#address-cells = <2>;
		#size-cells = <1>;
		ranges; /* Filled in by U-Boot */
		clock-frequency = <0>; /* Filled in by U-Boot */

		SDRAM0: sdram {
			compatible = "apm,sdram-apm82181", "ibm,sdram-460ex", "ibm,sdram-405gp";
			dcr-reg = <0x010 0x002>;
		};

		RTC: rtc {
			compatible = "ibm,rtc";
			dcr-reg = <0x240 0x009>;
			interrupts = <0x1a IRQ_TYPE_LEVEL_HIGH>;
			interrupt-parent = <&UIC2>;
			status = "disabled";
		};

		TRNG: trng@110000 {
			compatible = "amcc,ppc460ex-rng", "ppc4xx-rng", "amcc, ppc4xx-trng";
			reg = <4 0x00110000 0x100>;
			interrupt-parent = <&UIC1>;
			interrupts = <0x03 IRQ_TYPE_LEVEL_HIGH>;
			status = "disabled";
		};

		PKA: pka@114000 {
			compatible = "ppc4xx-pka", "amcc,ppc4xx-pka", "amcc, ppc4xx-pka";
			reg = <4 0x00114000 0x4000>;
			interrupt-parent = <&UIC0>;
			interrupts = <0x14 IRQ_TYPE_EDGE_RISING>;
			status = "disabled";
		};

		CRYPTO: crypto@180000 {
			compatible = "amcc,ppc460ex-crypto", "amcc,ppc4xx-crypto";
			reg = <4 0x00180000 0x80400>;
			interrupt-parent = <&UIC0>;
			interrupts = <0x1d IRQ_TYPE_LEVEL_HIGH>;
			status = "disabled"; /* hardware option */
		};

		MAL0: mcmal {
			compatible = "ibm,mcmal-460ex", "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 = <0x06 IRQ_TYPE_LEVEL_HIGH>,
				     <0x07 IRQ_TYPE_LEVEL_HIGH>,
				     <0x03 IRQ_TYPE_LEVEL_HIGH>,
				     <0x04 IRQ_TYPE_LEVEL_HIGH>,
				     <0x05 IRQ_TYPE_LEVEL_HIGH>,
				     <0x08 IRQ_TYPE_EDGE_FALLING>,
				     <0x09 IRQ_TYPE_EDGE_FALLING>,
				     <0x0c IRQ_TYPE_EDGE_FALLING>,
				     <0x0d IRQ_TYPE_EDGE_FALLING>;
			interrupt-names = "txeob", "rxeob", "serr",
					  "txde", "rxde",
					  "tx0coal", "tx1coal",
					  "rx0coal", "rx1coal";
		};

		POB0: opb {
			compatible = "ibm,opb-460ex", "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-460ex", "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 = <0x06 IRQ_TYPE_LEVEL_HIGH>;
				interrupt-parent = <&UIC1>;

				nor_flash@0,0 {
					compatible = "cfi-flash";
					bank-width = <1>;
					reg = <0x00000000 0x00000000 0x00100000>;
					#address-cells = <1>;
					#size-cells = <1>;
					status = "disabled";
				};

				ndfc: ndfc@1,0 {
					compatible = "ibm,ndfc";
					reg = <00000003 00000000 00002000>;
					ccr = <0x00001000>;
					bank-settings = <0x80002222>;
					status = "disabled";

					nand {
						/*
						 * These are the same fixed "MAGIC" values
						 * settings as in the drivers code.
						 * They are the same for all devices that
						 * have NAND.
						 */
						nand-ecc-engine = <&ndfc>;
						nand-ecc-algo = "hamming";
						nand-ecc-step-size = <256>;
						nand-ecc-strength = <1>;
					};
				};
			};

			UART0: serial@ef600300 {
				/*
				 * AMCC's BSP u-boot scans for the "ns16550"
				 * compatible, without it, u-boot wouldn't
				 * set the required "clock-frequency".
				 *
				 * The hardware documentation states:
				 * "Register compatibility with 16750 register set"
				 */
				compatible = "ns16750", "ns16550";
				reg = <0xef600300 0x00000008>;
				virtual-reg = <0xef600300>;
				clock-frequency = <0>; /* Filled in by U-Boot */
				interrupt-parent = <&UIC1>;
				interrupts = <0x01 IRQ_TYPE_LEVEL_HIGH>;
				status = "disabled";
			};

			UART1: serial@ef600400 {
				/* same "ns16750" as with UART0 */
				compatible = "ns16750", "ns16550";
				reg = <0xef600400 0x00000008>;
				virtual-reg = <0xef600400>;
				clock-frequency = <0>; /* Filled in by U-Boot */
				interrupt-parent = <&UIC0>;
				interrupts = <0x01 IRQ_TYPE_LEVEL_HIGH>;
				status = "disabled";
			};

			IIC0: i2c@ef600700 {
				compatible = "ibm,iic-460ex", "ibm,iic";
				reg = <0xef600700 0x00000014>;
				interrupt-parent = <&UIC0>;
				interrupts = <0x02 IRQ_TYPE_LEVEL_HIGH>;
				#address-cells = <1>;
				#size-cells = <0>;
				status = "disabled";
			};

			IIC1: i2c@ef600800 {
				compatible = "ibm,iic-460ex", "ibm,iic";
				reg = <0xef600800 0x00000014>;
				interrupt-parent = <&UIC0>;
				interrupts = <0x03 IRQ_TYPE_LEVEL_HIGH>;
				#address-cells = <1>;
				#size-cells = <0>;
				status = "disabled";
			};

			GPIO0: gpio@ef600b00 {
				compatible = "ibm,ppc4xx-gpio";
				reg = <0xef600b00 0x00000048>;
				#gpio-cells = <2>;
				gpio-controller;
				status = "disabled";
			};

			EMAC0: ethernet@ef600c00 {
				device_type = "network";
				compatible = "ibm,emac-apm821xx", "ibm,emac4sync";
				interrupt-parent = <&EMAC0>;
				interrupts = <0 1>;
				#interrupt-cells = <1>;
				#address-cells = <0>;
				#size-cells = <0>;
				interrupt-map = <0 &UIC2 0x10 IRQ_TYPE_LEVEL_HIGH>,
						<1 &UIC2 0x14 IRQ_TYPE_LEVEL_HIGH>;
				interrupt-names = "status", "wake";

				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;
				status = "disabled";
			};

			TAH0: emac-tah@ef601350 {
				compatible = "ibm,tah-460ex", "ibm,tah";
				reg = <0xef601350 0x00000030>;
			};

			RGMII0: emac-rgmii@ef601500 {
				compatible = "ibm,rgmii-405ex", "ibm,rgmii";
				reg = <0xef601500 0x00000008>;
				has-mdio;
			};
		};

		USBOTG0: usbotg@bff80000 {
			compatible = "amcc,dwc-otg";
			reg = <4 0xbff80000 0x10000>;
			interrupt-parent = <&USBOTG0>;
			interrupts = <0 1 2>;
			#interrupt-cells = <1>;
			#address-cells = <0>;
			#size-cells = <0>;
			interrupt-map = <0 &UIC2 0x1c IRQ_TYPE_LEVEL_HIGH>,
					<1 &UIC1 0x1a IRQ_TYPE_LEVEL_LOW>,
					<2 &UIC0 0x0c IRQ_TYPE_LEVEL_HIGH>;
			interrupt-names = "usb-otg", "high-power", "dma";
			dr_mode = "host";
			status = "disabled";
		};

		AHBDMA0: dma@bffd0800 {
			compatible = "snps,dma-spear1340";
			reg = <4 0xbffd0800 0x400>;
			interrupt-parent = <&UIC0>;
			interrupts = <0x19 IRQ_TYPE_LEVEL_HIGH>;
			#dma-cells = <3>;

			dma-channels = <2>;
			dma-masters = <3>;
			block_size = <4095>;
			data-width = <4>, <4>, <4>;
			multi-block = <1>, <1>;

			chan_allocation_order = <1>;
			chan_priority = <1>;

			snps,dma-protection-control =
				<(DW_DMAC_HPROT1_PRIVILEGED_MODE |
				  DW_DMAC_HPROT2_BUFFERABLE)>;
			is_memcpy;
		};

		SATA0: sata@bffd1000 {
			compatible = "amcc,sata-460ex";
			reg = <4 0xbffd1000 0x800>;
			interrupt-parent = <&UIC0>;
			interrupts = <0x1a IRQ_TYPE_LEVEL_HIGH>;
			dmas = <&AHBDMA0 0 0 1>;
			dma-names = "sata-dma";
			status = "disabled";
			#address-cells = <1>;
			#size-cells = <0>;
		};

		SATA1: sata@bffd1800 {
			compatible = "amcc,sata-460ex";
			reg = <4 0xbffd1800 0x800>;
			interrupt-parent = <&UIC0>;
			interrupts = <0x1b IRQ_TYPE_LEVEL_HIGH>;
			dmas = <&AHBDMA0 1 0 2>;
			dma-names = "sata-dma";
			status = "disabled";
			#address-cells = <1>;
			#size-cells = <0>;
		};

		PCIE0: pciex@d00000000 {
			device_type = "pci"; /* see ppc4xx_pci_find_bridge */
			#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 0x40 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 0x0c IRQ_TYPE_LEVEL_HIGH>, /* swizzled int A */
				<0x0 0x0 0x0 0x2 &UIC3 0x0d IRQ_TYPE_LEVEL_HIGH>, /* swizzled int B */
				<0x0 0x0 0x0 0x3 &UIC3 0x0e IRQ_TYPE_LEVEL_HIGH>, /* swizzled int C */
				<0x0 0x0 0x0 0x4 &UIC3 0x0f IRQ_TYPE_LEVEL_HIGH>; /* swizzled int D */
			status = "disabled";
		};
	};
};