u-boot/arch/x86/dts/cherryhill.dts

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2017, Bin Meng <bmeng.cn@gmail.com>
 */

/dts-v1/;

#include <asm/arch-braswell/fsp/fsp_configs.h>
#include <dt-bindings/interrupt-router/intel-irq.h>

/include/ "skeleton.dtsi"
/include/ "serial.dtsi"
/include/ "reset.dtsi"
/include/ "rtc.dtsi"
/include/ "tsc_timer.dtsi"

/ {
	model = "Intel Cherry Hill";
	compatible = "intel,cherryhill", "intel,braswell";

	aliases {
		serial0 = &serial;
		spi0 = &spi;
	};

	config {
		silent_console = <0>;
	};

	chosen {
		stdout-path = "/serial";
	};

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

		cpu@0 {
			device_type = "cpu";
			compatible = "cpu-x86";
			reg = <0>;
			intel,apic-id = <0>;
		};

		cpu@1 {
			device_type = "cpu";
			compatible = "cpu-x86";
			reg = <1>;
			intel,apic-id = <2>;
		};

		cpu@2 {
			device_type = "cpu";
			compatible = "cpu-x86";
			reg = <2>;
			intel,apic-id = <4>;
		};

		cpu@3 {
			device_type = "cpu";
			compatible = "cpu-x86";
			reg = <3>;
			intel,apic-id = <6>;
		};
	};

	pci {
		compatible = "pci-x86";
		#address-cells = <3>;
		#size-cells = <2>;
		u-boot,dm-pre-reloc;
		ranges = <0x02000000 0x0 0x80000000 0x80000000 0 0x40000000
			  0x42000000 0x0 0xc0000000 0xc0000000 0 0x20000000
			  0x01000000 0x0 0x2000 0x2000 0 0xe000>;

		pch@1f,0 {
			reg = <0x0000f800 0 0 0 0>;
			compatible = "intel,pch9";

			irq-router {
				compatible = "intel,irq-router";
				intel,pirq-config = "ibase";
				intel,ibase-offset = <0x50>;
				intel,pirq-link = <8 8>;
				intel,pirq-mask = <0xdee0>;
				intel,pirq-routing = <
					/* Braswell PCI devices */
					PCI_BDF(0, 2, 0) INTA PIRQA
					PCI_BDF(0, 3, 0) INTA PIRQA
					PCI_BDF(0, 11, 0) INTA PIRQA
					PCI_BDF(0, 16, 0) INTA PIRQA
					PCI_BDF(0, 17, 0) INTA PIRQA
					PCI_BDF(0, 18, 0) INTA PIRQA
					PCI_BDF(0, 19, 0) INTA PIRQA
					PCI_BDF(0, 20, 0) INTA PIRQA
					PCI_BDF(0, 21, 0) INTA PIRQA
					PCI_BDF(0, 24, 0) INTA PIRQA
					PCI_BDF(0, 24, 1) INTC PIRQC
					PCI_BDF(0, 24, 2) INTD PIRQD
					PCI_BDF(0, 24, 3) INTB PIRQB
					PCI_BDF(0, 24, 4) INTA PIRQA
					PCI_BDF(0, 24, 5) INTC PIRQC
					PCI_BDF(0, 24, 6) INTD PIRQD
					PCI_BDF(0, 24, 7) INTB PIRQB
					PCI_BDF(0, 26, 0) INTA PIRQA
					PCI_BDF(0, 27, 0) INTA PIRQA
					PCI_BDF(0, 28, 0) INTA PIRQA
					PCI_BDF(0, 28, 1) INTB PIRQB
					PCI_BDF(0, 28, 2) INTC PIRQC
					PCI_BDF(0, 28, 3) INTD PIRQD
					PCI_BDF(0, 30, 0) INTA PIRQA
					PCI_BDF(0, 30, 3) INTA PIRQA
					PCI_BDF(0, 30, 4) INTA PIRQA
					PCI_BDF(0, 31, 0) INTB PIRQB
					PCI_BDF(0, 31, 3) INTB PIRQB

					/*
					 * PCIe root ports downstream
					 * interrupts
					 */
					PCI_BDF(1, 0, 0) INTA PIRQA
					PCI_BDF(1, 0, 0) INTB PIRQB
					PCI_BDF(1, 0, 0) INTC PIRQC
					PCI_BDF(1, 0, 0) INTD PIRQD
					PCI_BDF(2, 0, 0) INTA PIRQB
					PCI_BDF(2, 0, 0) INTB PIRQC
					PCI_BDF(2, 0, 0) INTC PIRQD
					PCI_BDF(2, 0, 0) INTD PIRQA
					PCI_BDF(3, 0, 0) INTA PIRQC
					PCI_BDF(3, 0, 0) INTB PIRQD
					PCI_BDF(3, 0, 0) INTC PIRQA
					PCI_BDF(3, 0, 0) INTD PIRQB
					PCI_BDF(4, 0, 0) INTA PIRQD
					PCI_BDF(4, 0, 0) INTB PIRQA
					PCI_BDF(4, 0, 0) INTC PIRQB
					PCI_BDF(4, 0, 0) INTD PIRQC
				>;
			};

			spi: spi {
				#address-cells = <1>;
				#size-cells = <0>;
				compatible = "intel,ich9-spi";
				intel,spi-lock-down;

				spi-flash@0 {
					#address-cells = <1>;
					#size-cells = <1>;
					reg = <0>;
					compatible = "macronix,mx25u6435f", "spi-flash";
					memory-map = <0xff800000 0x00800000>;
					rw-mrc-cache {
						label = "rw-mrc-cache";
						reg = <0x005e0000 0x00010000>;
					};
				};
			};
		};
	};

	fsp {
		compatible = "intel,braswell-fsp";
		fsp,memory-upd {
			compatible = "intel,braswell-fsp-memory";
			fsp,mrc-init-tseg-size = <MRC_INIT_TSEG_SIZE_4MB>;
			fsp,mrc-init-mmio-size = <MRC_INIT_MMIO_SIZE_2048MB>;
			fsp,mrc-init-spd-addr1 = <0xa0>;
			fsp,mrc-init-spd-addr2 = <0xa2>;
			fsp,igd-dvmt50-pre-alloc = <IGD_DVMT50_PRE_ALLOC_32MB>;
			fsp,aperture-size = <APERTURE_SIZE_256MB>;
			fsp,gtt-size = <GTT_SIZE_1MB>;
			fsp,enable-dvfs;
			fsp,memory-type = <DRAM_TYPE_DDR3>;
		};
		fsp,silicon-upd {
			compatible = "intel,braswell-fsp-silicon";
			fsp,sdcard-mode = <SDCARD_MODE_PCI>;
			fsp,enable-hsuart1;
			fsp,enable-sata;
			fsp,enable-xhci;
			fsp,lpe-mode = <LPE_MODE_PCI>;
			fsp,enable-dma0;
			fsp,enable-dma1;
			fsp,enable-i2c0;
			fsp,enable-i2c1;
			fsp,enable-i2c2;
			fsp,enable-i2c3;
			fsp,enable-i2c4;
			fsp,enable-i2c5;
			fsp,enable-i2c6;
			fsp,emmc-mode = <EMMC_MODE_PCI>;
			fsp,sata-speed = <SATA_SPEED_GEN3>;
			fsp,pmic-i2c-bus = <0>;
			fsp,enable-isp;
			fsp,isp-pci-dev-config = <ISP_PCI_DEV_CONFIG_2>;
			fsp,pnp-settings = <PNP_SETTING_POWER_AND_PERF>;
			fsp,sd-detect-chk;
		};
	};

	microcode {
		update@0 {
#include "microcode/m01406c2220.dtsi"
		};
		update@1 {
#include "microcode/m01406c3363.dtsi"
		};
		update@2 {
#include "microcode/m01406c440a.dtsi"
		};
	};

};