external/devicetree/p9.dts

// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
/*
 * base POWER9 device tree
 */

/dts-v1/;

/ {
	compatible = "ibm,powernv";
	model = "BML";
	#size-cells = <0x2>;
	#address-cells = <0x2>;

	chosen {
		linux,pci-assign-all-buses = <0x1>;
		linux,pci-probe-only = <0x0>;
		linux,platform = <0x100>;
		ibm,architecture-vec-5 = <0x0 0x800000>;
		linux,initrd-start = <0x0 0x28000000>;
		linux,initrd-end = <0x0 0x30000000>;
	};

	memory@0 {
		reg = <0x0 0x0 0x0 0x80000000>;
		ibm,chip-id = <0x0>;
		device_type = "memory";
	};

	cpus {
		#size-cells = <0x0>;
		#address-cells = <0x1>;

		PowerPC,POWER9@0 {
			device_type = "cpu";
			status = "okay";
			ibm,chip-id = <0x0>;
			ibm,pir = <0x0>;
			timebase-frequency = <0x1c4fecc0>;
			clock-frequency = <0xe27f6600>;
			ibm,segment-page-sizes = <0xc 0x0 0x1 0xc 0x0 0x10 0x110 0x1 0x10 0x1 0x14 0x111 0x1 0x14 0x2 0x18 0x100 0x1 0x18 0x0 0x22 0x120 0x1 0x22 0x3>;
			ibm,processor-segment-sizes = <0x1c 0xffffffff 0xffffffff 0xffffffff>;
			ibm,pa-features = <0x600f63f 0xc70080c0>;
			i-cache-size = <0x8000>;
			d-cache-size = <0x8000>;
			i-cache-line-size = <0x80>;
			d-cache-line-size = <0x80>;
			ibm,slb-size = <0x20>;
			ibm,vmx = <0x2>;
			reg = <0x0>;
			ibm,ppc-interrupt-server#s = <0x0>;
		};
	};

	xscom@603fc00000000 {
		compatible = "ibm,xscom", "ibm,power9-xscom";
		ibm,chip-id = <0x0>;
		#size-cells = <0x1>;
		#address-cells = <0x1>;
		reg = <0x603fc 0x0 0x8 0x0>;

		/* PE#0 supports only one stack */
		pbcq@4010c00 {
			ibm,pec-index = <0x0>;
			reg = <0x4010c00 0x100 0xd010800 0x200>;
			compatible = "ibm,power9-pbcq";
			#address-cells = <0x1>;
			#size-cells = <0x0>;

			stack@0 {
				/* Stack number */
				reg = <0x0>;
				/* Chip-scope PHB index */
				ibm,phb-index = <0x0>;
				compatible = "ibm,power9-phb-stack";
				status = "okay";
			};
		};

		/* PE#1 supports two stacks */
		pbcq@4011000 {
			ibm,pec-index = <0x1>;
			reg = <0x4011000 0x100 0xe010800 0x200>;
			compatible = "ibm,power9-pbcq";
			#address-cells = <0x1>;
			#size-cells = <0x0>;

			stack@0 {
				reg = <0x0>;
				ibm,phb-index = <0x1>;
				compatible = "ibm,power9-phb-stack";
				status = "okay";
			};

			stack@1 {
				reg = <0x1>;
				ibm,phb-index = <0x2>;
				compatible = "ibm,power9-phb-stack";
				status = "okay";
			};
		};

		/* PE#2 supports three stacks */
		pbcq@4011400 {
			ibm,pec-index = <0x2>;
			reg = <0x4011400 0x100 0xf010800 0x200>;
			compatible = "ibm,power9-pbcq";
			#address-cells = <0x1>;
			#size-cells = <0x0>;

			stack@0 {
				reg = <0x0>;
				ibm,phb-index = <0x3>;
				compatible = "ibm,power9-phb-stack";
				status = "disabled";
			};

			stack@1 {
				reg = <0x1>;
				ibm,phb-index = <0x4>;
				compatible = "ibm,power9-phb-stack";
				status = "disabled";
			};

			stack@2 {
				reg = <0x2>;
				ibm,phb-index = <0x5>;
				compatible = "ibm,power9-phb-stack";
				status = "disabled";
			};
		};

		chiptod@40000 {
			primary;
			reg = <0x40000 0x34>;
			compatible = "ibm,power-chiptod", "ibm,power9-chiptod";
		};

		xive@5013400 {
			reg = <0x5013000 0x300>;
			compatible = "ibm,power9-xive-x";
		};

		psihb@5012900 {
			reg = <0x5012900 0x100>;
			compatible = "ibm,power9-psihb-x", "ibm,psihb-x";

			/*
			 * This acts as an interrupt remapper for the 16
			 * interrupts coming into the PSI HB.
			 * OPAL will generate the corresponding interrupt-map
			 * property with the final XIVE numbers
			 */
			#interrupt-cells = <0x1>;
			#address-cells = <0x0>;
			#interrupt-map-mask = <0xff>;
		};

		nx@2010000 {
			reg = <0x2010000 0x4000>;
			compatible = "ibm,power9-nx";
		};
	};

	lpcm-opb@6030000000000 {
		#address-cells = <0x1>;
		#size-cells = <0x1>;
		compatible = "ibm,power9-lpcm-opb", "simple-bus";
		ibm,chip-id = <0x0>;
		ranges = <0x00000000 0x60300 0x00000000 0x80000000
			  0x80000000 0x60300 0x80000000 0x80000000>;

		opb-master@c0010000 {
			compatible = "ibm,power9-lpcm-opb-master";
			reg = <0xc0010000 0x60>;
		};

		opb-arbiter@c0011000 {
			compatible = "ibm,power9-lpcm-opb-arbiter";
			reg = <0xc0011000 0x8>;
		};

		lpc-controller@c0012000 {
			compatible = "ibm,power9-lpc-controller";
			reg = <0xc0012000 0x100>;
		};

		lpc@f0000000 {
			compatible = "ibm,power9-lpc";
			#address-cells = <0x2>;
			#size-cells = <0x1>;
			ranges = <0x3 0x0 0xf0000000 0x10000000 /* FW space */
				  0x0 0x0 0xe0000000 0x10000000 /* MEM space */
				  0x1 0x0 0xd0010000 0x00010000 /* IO space */ >;

			/* Devices on the LPC bus go here */

			serial@i3f8 {
				compatible = "ns16550";
				reg = <0x1 0x3f8 0x10>;
				current-speed = <0x1c200>;
				clock-frequency = <0x1c2000>;
				interrupts = <0x4>;
			};

			ipmi@ie4 {
				compatible = "ipmi-bt";
				reg = <0x1 0xe4 0x3>;
				interrupts = <0x10>;
			};
		};
	};
};