/*
 * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
 * Copyright (C) 2016 Stefan Roese <sr@denx.de>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

/dts-v1/;

#include <asm/arch-baytrail/fsp/fsp_configs.h>
#include <dt-bindings/gpio/x86-gpio.h>
#include <dt-bindings/interrupt-router/intel-irq.h>

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

/ {
	model = "congatec-QEVAL20-QA3-E3845";
	compatible = "congatec,qeval20-qa3-e3845", "intel,baytrail";

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

	config {
		silent_console = <0>;
	};

	pch_pinctrl {
		compatible = "intel,x86-pinctrl";
		reg = <0 0>;

		/*
		 * As of today, the latest version FSP (gold4) for BayTrail
		 * misses the PAD configuration of the SD controller's Card
		 * Detect signal. The default PAD value for the CD pin sets
		 * the pin to work in GPIO mode, which causes card detect
		 * status cannot be reflected by the Present State register
		 * in the SD controller (bit 16 & bit 18 are always zero).
		 *
		 * Configure this pin to function 1 (SD controller).
		 */
		sdmmc3_cd@0 {
			pad-offset = <0x3a0>;
			mode-func = <1>;
		};

		/* Add SMBus PAD configuration */
		smbus_clk@0 {
			pad-offset = <0x580>;
			mode-func = <1>;
		};

		smbus_data@0 {
			pad-offset = <0x5a0>;
			mode-func = <1>;
		};
	};

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

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

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

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

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

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

	pci {
		compatible = "intel,pci-baytrail", "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 = "pci8086,0f1c", "intel,pch9";
			#address-cells = <1>;
			#size-cells = <1>;

			irq-router {
				compatible = "intel,irq-router";
				intel,pirq-config = "ibase";
				intel,ibase-offset = <0x50>;
				intel,actl-addr = <0>;
				intel,pirq-link = <8 8>;
				intel,pirq-mask = <0xdee0>;
				intel,pirq-routing = <
					/* BayTrail PCI devices */
					PCI_BDF(0, 2, 0) INTA PIRQA
					PCI_BDF(0, 3, 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, 22, 0) INTA PIRQA
					PCI_BDF(0, 23, 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, 29, 0) INTA PIRQA
					PCI_BDF(0, 30, 0) INTA PIRQA
					PCI_BDF(0, 30, 1) INTD PIRQD
					PCI_BDF(0, 30, 2) INTB PIRQB
					PCI_BDF(0, 30, 3) INTC PIRQC
					PCI_BDF(0, 30, 4) INTD PIRQD
					PCI_BDF(0, 30, 5) 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";
				spi-flash@0 {
					#address-cells = <1>;
					#size-cells = <1>;
					reg = <0>;
					compatible = "stmicro,n25q064a",
						"spi-flash";
					memory-map = <0xff800000 0x00800000>;
					rw-mrc-cache {
						label = "rw-mrc-cache";
						reg = <0x006f0000 0x00010000>;
					};
				};
			};

			gpioa {
				compatible = "intel,ich6-gpio";
				u-boot,dm-pre-reloc;
				reg = <0 0x20>;
				bank-name = "A";
				use-lvl-write-cache;
			};

			gpiob {
				compatible = "intel,ich6-gpio";
				u-boot,dm-pre-reloc;
				reg = <0x20 0x20>;
				bank-name = "B";
				use-lvl-write-cache;
			};

			gpioc {
				compatible = "intel,ich6-gpio";
				u-boot,dm-pre-reloc;
				reg = <0x40 0x20>;
				bank-name = "C";
				use-lvl-write-cache;
			};

			gpiod {
				compatible = "intel,ich6-gpio";
				u-boot,dm-pre-reloc;
				reg = <0x60 0x20>;
				bank-name = "D";
				use-lvl-write-cache;
			};

			gpioe {
				compatible = "intel,ich6-gpio";
				u-boot,dm-pre-reloc;
				reg = <0x80 0x20>;
				bank-name = "E";
				use-lvl-write-cache;
			};

			gpiof {
				compatible = "intel,ich6-gpio";
				u-boot,dm-pre-reloc;
				reg = <0xA0 0x20>;
				bank-name = "F";
				use-lvl-write-cache;
			};
		};
	};

	fsp {
		compatible = "intel,baytrail-fsp";
		fsp,mrc-init-tseg-size = <MRC_INIT_TSEG_SIZE_1MB>;
		fsp,mrc-init-mmio-size = <MRC_INIT_MMIO_SIZE_2048MB>;
		fsp,mrc-init-spd-addr1 = <0xa0>;
		fsp,mrc-init-spd-addr2 = <0xa2>;
		fsp,emmc-boot-mode = <EMMC_BOOT_MODE_AUTO>;
		fsp,enable-sdio;
		fsp,enable-sdcard;
		fsp,enable-hsuart1;
		fsp,enable-spi;
		fsp,enable-sata;
		fsp,sata-mode = <SATA_MODE_AHCI>;
#ifdef CONFIG_USB_XHCI_HCD
		fsp,enable-xhci;
#endif
		fsp,lpe-mode = <LPE_MODE_PCI>;
		fsp,lpss-sio-mode = <LPSS_SIO_MODE_PCI>;
		fsp,enable-dma0;
		fsp,enable-dma1;
		fsp,enable-pwm0;
		fsp,enable-pwm1;
		fsp,igd-dvmt50-pre-alloc = <IGD_DVMT50_PRE_ALLOC_64MB>;
		fsp,aperture-size = <APERTURE_SIZE_256MB>;
		fsp,gtt-size = <GTT_SIZE_2MB>;
		fsp,scc-mode = <SCC_MODE_PCI>;
		fsp,os-selection = <OS_SELECTION_LINUX>;
		fsp,emmc45-ddr50-enabled;
		fsp,emmc45-retune-timer-value = <8>;
		fsp,enable-igd;
		fsp,enable-memory-down;
		fsp,memory-down-params {
			compatible = "intel,baytrail-fsp-mdp";
			fsp,dram-speed = <DRAM_SPEED_1333MTS>;
			fsp,dram-type = <DRAM_TYPE_DDR3L>;
			fsp,dimm-0-enable;
			fsp,dimm-1-enable;
			fsp,dimm-width = <DIMM_WIDTH_X16>;
			fsp,dimm-density = <DIMM_DENSITY_4GBIT>;
			fsp,dimm-bus-width = <DIMM_BUS_WIDTH_64BITS>;
			fsp,dimm-sides = <DIMM_SIDES_1RANKS>;

			/* These following values might need a re-visit */
			fsp,dimm-tcl = <8>;
			fsp,dimm-trpt-rcd = <8>;
			fsp,dimm-twr = <8>;
			fsp,dimm-twtr = <4>;
			fsp,dimm-trrd = <6>;
			fsp,dimm-trtp = <4>;
			fsp,dimm-tfaw = <22>;
		};
	};

	microcode {
		update@0 {
#include "microcode/m0130673325.dtsi"
		};
		update@1 {
#include "microcode/m0130679907.dtsi"
		};
	};
};