p9.dts

/dts-v1/;

/ {
	compatible = "ibm,baremetal";
	model = "HB";
	#size-cells = < 0x02 >;
	#address-cells = < 0x02 >;

	/* HRMOR means our memory is really at 0x8000000 but we have *
	some at 0 for the exception vectors. We could just choose to
	hide that from the kernel, except there is a bried period
	where it runs in real-mode using kernel linear (0xc....)
	addresses which has the unfortunate side effect of bypassing
	HRMOR. */
	reserved-names = "invalid-memory";
	reserved-ranges = < 0x0 0x6000 0x0 0x8000000 >;

	chosen {
		ibm,architecture-vec-5 = < 0x00 0x800000 >;
		stdout-path = &uart;
		bootargs = "console=ttyS0 dhash_entries=1 ihash_entries=1 single";
	};

	memory@0 {
		reg = < 0x00 0x00 0x00 0x8a00000 >;
		ibm,chip-id = < 0x00 >;
		device_type = "memory";
	};

	cpus {
		#size-cells = < 0x00 >;
		#address-cells = < 0x01 >;

		PowerPC,POWER9@0 {
			device_type = "cpu";
			status = "okay";
			ibm,chip-id = < 0x00 >;
			ibm,pir = < 0x00 >;
			timebase-frequency = < 0x1c4fecc0 >;
			clock-frequency = < 0xe27f6600 >;
			ibm,segment-page-sizes = < 0x0c 0x00 0x01 0x0c 0x00 0x10 0x110 0x01 0x10 0x01 0x14 0x111 0x01 0x14 0x02 0x18 0x100 0x01 0x18 0x00 0x22 0x120 0x01 0x22 0x03 >;
			ibm,processor-segment-sizes = < 0x1c 0xffffffff 0xffffffff 0xffffffff >;
			ibm,pa-features = < 0x4000f63f 0xc70080c0 0x80000000 0x00 0x8000 0x80008000 0x80008000 0x80008000 0x80008000 0xc0008000 0x80008000 0x80008000 0x80008000 0x80008000 0x80008000 0x80008000 0x80000000 0x00 >;
			i-cache-size = < 0x8000 >;
			d-cache-size = < 0x8000 >;
			i-cache-line-size = < 0x80 >;
			d-cache-line-size = < 0x80 >;
			ibm,slb-size = < 0x20 >;
			ibm,vmx = < 0x02 >;
			reg = < 0x00 >;
			ibm,ppc-interrupt-server#s = < 0x00 >;
		};
	};

	/* Bit 63 needs to be set for IO address to bypass HRMOR */
	lpcm-opb@8006030000000000 {
		#address-cells = < 0x01 >;
		#size-cells = < 0x01 >;
		compatible = "simple-bus";
		ibm,chip-id = < 0x00 >;
		ranges = < 0x00 0x80060300 0x00 0x80000000 0x80000000 0x80060300 0x80000000 0x80000000 >;

		lpc@f0000000 {
			compatible = "simple-bus";
			#address-cells = < 0x02 >;
			#size-cells = < 0x01 >;
			ranges = < 0x03 0x00 0xf0000000 0x10000000 0x00 0x00 0xe0000000 0x10000000 0x01 0x00 0xd0010000 0x10000 >;

			uart: serial@i3f8 {
				compatible = "ns16550";
				reg = < 0x01 0x3f8 0x10 >;
				current-speed = < 0x1c200 >;
				clock-frequency = < 0x1c2000 >;
			};
		};
	};
};