u-boot/arch/arm/dts/socfpga_agilex_socdk-u-boot.dtsi

// SPDX-License-Identifier: GPL-2.0+
/*
 * U-Boot additions
 *
 * Copyright (C) 2019-2022 Intel Corporation <www.intel.com>
 * Copyright (C) 2025 Altera Corporation <www.altera.com>
 */

#include "socfpga_agilex-u-boot.dtsi"

#ifdef CONFIG_TARGET_SOCFPGA_AGILEX
/{
	chosen {
		stdout-path = "serial0:115200n8";
		u-boot,spl-boot-order = &mmc,&flash0,&nand;
	};

	memory@0 {
		/* 8GB */
		reg = <0 0x00000000 0 0x80000000>,
		      <2 0x80000000 1 0x80000000>;
	};
};

&qspi {
	status = "okay";
};
#endif

#ifdef CONFIG_TARGET_SOCFPGA_AGILEX7M
/{
	model = "SoCFPGA Agilex7-M SoCDK";
	chosen {
		stdout-path = "serial0:115200n8";
		u-boot,spl-boot-order = &mmc;
	};

	memory@0 {
		/*
		 * When LPDDR ECC is enabled, the last 1/8 of the memory region must
		 * be reserved for the Inline ECC buffer.
		 *
		 * Example for memory size with 2GB:
		 * memory {
		 *	reg = <0x0 0x00000000 0x0 0x80000000>;
		 * };
		 *
		 * Example for memory size with 8GB:
		 * memory {
		 *	reg = <0x0 0x00000000 0x0 0x80000000>,
		 *	      <0x1 0x00000000 0x1 0x80000000>;
		 * };
		 *
		 *
		 * Example for memory size with 2GB with LPDDR Inline ECC ON:
		 * memory {
		 *	reg = <0x0 0x00000000 0x0 0x70000000>;
		 * };
		 *
		 * Example for memory size with 8GB with LPDDR Inline ECC ON:
		 * memory {
		 *	reg = <0x0 0x00000000 0x0 0x80000000>,
		 *	      <0x1 0x00000000 0x1 0x40000000>;
		 * };
		 */

		/* Default memory size is 2GB */
		reg = <0x0 0x00000000 0x0 0x80000000>;
	};
};

&gmac2 {
	status = "okay";
	phy-mode = "rgmii";
	phy-handle = <&phy0>;

	max-frame-size = <3800>;

	mdio2 {
		#address-cells = <1>;
		#size-cells = <0>;
		compatible = "snps,dwmac-mdio";
		phy2: ethernet-phy@2 {
			reg = <4>;

			txd0-skew-ps = <0>; /* -420ps */
			txd1-skew-ps = <0>; /* -420ps */
			txd2-skew-ps = <0>; /* -420ps */
			txd3-skew-ps = <0>; /* -420ps */
			rxd0-skew-ps = <420>; /* 0ps */
			rxd1-skew-ps = <420>; /* 0ps */
			rxd2-skew-ps = <420>; /* 0ps */
			rxd3-skew-ps = <420>; /* 0ps */
			txen-skew-ps = <0>; /* -420ps */
			txc-skew-ps = <1860>; /* 960ps */
			rxdv-skew-ps = <420>; /* 0ps */
			rxc-skew-ps = <1680>; /* 780ps */
		};
	};
};

&qspi {
	status = "disabled";
};

&socfpga_l3interconnect_firewall {
	soc_noc_fw_mpfe_csr_inst_0_mpfe_scr@f8020000 {
		intel,offset-settings =
			/* Disable MPFE firewall for SMMU */
			<0x00000000 0x00010101 0x00010101>;
	};
};
#endif

&gmac0 {
	mdio0 {
		ethernet_phy0: ethernet-phy@0 {
			reg = <4>;
			txd0-skew-ps = <0>;
			txd1-skew-ps = <0>;
			txd2-skew-ps = <0>;
			txd3-skew-ps = <0>;
			rxd0-skew-ps = <0x1a4>;
			rxd1-skew-ps = <0x1a4>;
			rxd2-skew-ps = <0x1a4>;
			rxd3-skew-ps = <0x1a4>;
			txen-skew-ps = <0>;
			txc-skew-ps = <0x384>;
			rxdv-skew-ps = <0x1a4>;
			rxc-skew-ps = <0x690>;
		};
	};
};

&nand {
	status = "okay";
	nand-bus-width = <16>;
	bootph-all;
};

&mmc {
	drvsel = <3>;
	smplsel = <0>;
	bootph-all;
};

&qspi {
	/delete-property/ clocks;
};

&flash0 {
	reg = <0>;
	spi-tx-bus-width = <4>;
	spi-rx-bus-width = <4>;
	spi-max-frequency = <100000000>;
	bootph-all;

	m25p,fast-read;
	cdns,page-size = <256>;
	cdns,block-size = <16>;
	cdns,read-delay = <1>;
	cdns,tshsl-ns = <50>;
	cdns,tsd2d-ns = <50>;
	cdns,tchsh-ns = <4>;
	cdns,tslch-ns = <4>;
	/delete-property/ cdns,read-delay;

	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		qspi_boot: partition@0 {
			label = "u-boot";
			reg = <0x0 0x04200000>;
		};

		root: partition@4200000 {
			label = "root";
			reg = <0x04200000 0x0BE00000>;
		};
	};
};