u-boot/arch/mips/dts/mrvl,octeon-nic23.dts

// SPDX-License-Identifier: GPL-2.0+
/*
 * Marvell / Cavium Inc. NIC23
 */

/dts-v1/;

#include "mrvl,cn73xx.dtsi"
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "cavium,nic23";
	compatible = "cavium,nic23";

	aliases {
		mmc0 = &mmc0;
		serial0 = &uart0;
		spi0 = &spi;
	};

	regulators {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <0>;

		/* Power on GPIO 8, active high */
		reg_mmc_3v3: regulator@0 {
			compatible = "regulator-fixed";
			reg = <0>;
			regulator-name = "mmc-3v3";
			regulator-min-microvolt = <3300000>;
			regulator-max-microvolt = <3300000>;
			gpio = <&gpio 8 GPIO_ACTIVE_HIGH>;
			enable-active-high;
		};
	};

	chosen {
		stdout-path = &uart0;
	};
};

&bootbus {
	/*
	 * bootbus CS0 for CFI flash is remapped (0x1fc0.0000 -> 1f40.0000)
	 * as the initial size is too small for the 8MiB flash device
	 */
	ranges = <0 0  0       0x1f400000  0xc00000>,
		 <1 0  0x10000 0x10000000  0>,
		 <2 0  0x10000 0x20000000  0>,
		 <3 0  0x10000 0x30000000  0>,
		 <4 0  0       0x1d020000  0x10000>,
		 <5 0  0x10000 0x50000000  0>,
		 <6 0  0x10000 0x60000000  0>,
		 <7 0  0x10000 0x70000000  0>;

	cavium,cs-config@0 {
		compatible = "cavium,octeon-3860-bootbus-config";
		cavium,cs-index = <0>;
		cavium,t-adr  = <10>;
		cavium,t-ce   = <50>;
		cavium,t-oe   = <50>;
		cavium,t-we   = <35>;
		cavium,t-rd-hld = <25>;
		cavium,t-wr-hld = <35>;
		cavium,t-pause  = <0>;
		cavium,t-wait   = <50>;
		cavium,t-page   = <30>;
		cavium,t-rd-dly = <0>;
		cavium,page-mode = <1>;
		cavium,pages     = <8>;
		cavium,bus-width = <8>;
	};

	cavium,cs-config@4 {
		compatible = "cavium,octeon-3860-bootbus-config";
		cavium,cs-index = <4>;
		cavium,t-adr  = <10>;
		cavium,t-ce   = <10>;
		cavium,t-oe   = <160>;
		cavium,t-we   = <100>;
		cavium,t-rd-hld = <10>;
		cavium,t-wr-hld = <0>;
		cavium,t-pause  = <50>;
		cavium,t-wait   = <50>;
		cavium,t-page   = <10>;
		cavium,t-rd-dly = <10>;
		cavium,pages     = <0>;
		cavium,bus-width = <8>;
	};

	flash0: nor@0,0 {
		compatible = "cfi-flash";
		reg = <0 0 0x800000>;
		#address-cells = <1>;
		#size-cells = <1>;
		partition@0 {
			label = "bootloader";
			reg = <0 0x340000>;
			read-only;
		};
		partition@300000 {
			label = "storage";
			reg = <0x340000 0x4be000>;
		};
		partition@7fe000 {
			label = "environment";
			reg = <0x7fe000 0x2000>;
			read-only;
		};
	};
};

&uart0 {
	clock-frequency = <800000000>;
};

&i2c0 {
	u-boot,dm-pre-reloc;	/* Needed early for DDR SPD EEPROM */
	clock-frequency = <100000>;

	sfp0eeprom: eeprom@50 {
		compatible = "atmel,24c01";
		reg = <0x50>;
	};

	sfp0alerts: eeprom@51 {
		compatible = "atmel,24c01";
		reg = <0x51>;
	};
};

&i2c1 {
	u-boot,dm-pre-reloc;	/* Needed early for DDR SPD EEPROM */
	clock-frequency = <100000>;

	vitesse@10 {
		compatible = "vitesse,vsc7224";
		reg = <0x10>;
		#address-cells = <1>;
		#size-cells = <0>;

		/* Note that reset is active high with this device */
		reset = <&gpio 7 0>;

		/* LoS pin can be pulled low when there is a loss of signal */
		los = <&gpio 6 0>;

		vitesse,reg-init =
			/* Clear all masks */
			/* Page select FSYNC0 (0x30) */
			<0x7f 0x0030>,
			/* Set FSYNC0 for 10.3125Gbps */
			<0x80 0x2841>,	/* See Table 3. */
			<0x81 0x0008>,
			<0x82 0xc000>,
			<0x83 0x0010>,
			<0x84 0x1d00>,

			/* All channels Rx settings set equally */
			<0x7f 0x0050>,
			/* Shrink EQ_BUFF */
			<0x82 0x0014>,
			/* Set EQVGA_ADAP = 1 (enable EQVGA circuitry),
			 * USE_UNIT_GAIN = 1 (EQVGA is in unity gain),
			 * USE_LPF = 0 (VGA adapt not using LPF),
			 * USE_EQVGA = 1
			<0x89 0x7f13>,
			/* Select min DFE Delay (DFE_DELAY) */
			<0x90 0x5785>,
			/* Set DFE 1-3 limit (DXMAX) = 32dec,
			 * AP Max limit = 127 decimal
			 */
			<0x92 0x207f>,
			/* Set AP Min limit = 32 decimal */
			<0x93 0x2000>,
			/* Set DFE Averaging to the slowest (DFE_AVG) */
			<0x94 0x0031>,
			/* Set Inductor Bypass OD_IND_BYP = 0 & fastest Rise/Fall */
			<0x9c 0x0000>,
			/* Setting DFE Boost = none. Must set for
			 * rev C (if DFE in adapt mode)
			 */
			<0xaa 0x0888>,
			/* Setting EQ Min = 8 & Max limit = 72 dec.
			 * Must set for rev C, otherwise EQ is 0
			 * (if EQ is in adaptive mode)
			 */
			<0xa8 0x2408>,
			/* Setting EQVGA = 96, when in EQVGA manual mode */
			<0xa9 0x0060>,
			/* Setting SW_BFOCM, bits 15:14 to 01 */
			<0x87 0x4021>,
			/* Turn off adaptive input equalization
			 * and VGA adaptive algorithm control.
			*/
			<0x89 0x7313>,
			/* Turn on adaptive input equalization
			 * and VGA adaptive algorithm control.
			*/
			<0x89 0x7f13>;

		vitesse-channel@0 {
			compatible = "vitesse,vsc7224-channel";
			reg = <0>;
			direction-tx;
			sfp-mac = <&eth0>;

			/* TAP settings.  The format of this is as
			 * follows:
			 * - cable length in meters, 0 = active or
			 *   optical module
			 * - maintap value
			 * - pretap value
			 * - posttap value
			 *
			 * For the cable length, the value will apply
			 * for that cable length and greater until the
			 * next largest cable length specified.  These
			 * values must be ordered first by channel mask
			 * then by cable length.  These are typically
			 * set for the transmit channels, not the
			 * receive channels.
			 */
			taps = <0 0x0013 0x000f 0x0000>,
			       <1 0x001f 0x000f 0x0004>,
			       <3 0x0014 0x000b 0x0004>,
			       <5 0x0014 0x0009 0x0006>,
			       <7 0x0014 0x000f 0x0000>,
			       <10 0x0012 0x000b 0x0013>;
		};

		vitesse-channel@1 {
			compatible = "vitesse,vsc7224-channel";
			reg = <1>;
			/* Ignore mod_abs and module */
			direction-rx;
			sfp-mac = <&eth0>;

			/* Disable pre-tap */
			pretap-disable;

			/* Disable post-tap */
			posttap-disable;

			/* Taps has the following fields:
			 * - cable length (ignored for rx)
			 * - main tap value
			 * - pre tap value
			 * - post tap value
			 *
			 * NOTE: if taps are disabled then they
			 *       are not programmed.
			 */
			taps = <0 0x0a 0x0b 0x10>;
		};

		vitesse-channel@2 {
			compatible = "vitesse,vsc7224-channel";
			reg = <2>;
			direction-tx;
			sfp-mac = <&eth1>;

			/* TAP settings.  The format of this is as
			 * follows:
			 * - cable length in meters, 0 = active or
			 *   optical module
			 * - maintap value
			 * - pretap value
			 * - posttap value
			 *
			 * For the cable length, the value will apply
			 * for that cable length and greater until the
			 * next largest cable length specified.  These
			 * values must be ordered first by channel mask
			 * then by cable length.  These are typically
			 * set for the transmit channels, not the
			 * receive channels.
			 */
			taps = <0 0x0013 0x000f 0x0000>,
			       <1 0x001f 0x000f 0x0004>,
			       <3 0x0014 0x000b 0x0004>,
			       <5 0x0014 0x0009 0x0006>,
			       <7 0x0014 0x000f 0x0000>,
			       <10 0x0012 0x000b 0x0013>;
		};

		vitesse-channel@3 {
			compatible = "vitesse,vsc7224-channel";
			reg = <3>;
			/* Ignore mod_abs and module */
			direction-rx;
			sfp-mac = <&eth1>;

			/* Disable pre-tap */
			pretap-disable;

			/* Disable post-tap */
			posttap-disable;

			/* Taps has the following fields:
			 * - cable length (ignored for rx)
			 * - main tap value
			 * - pre tap value
			 * - post tap value
			 *
			 * NOTE: if taps are disabled then they
			 *       are not programmed.
			 */
			taps = <0 0x0a 0x0b 0x10>;
		};
	};

	sfp1eeprom: eeprom@50 {
		compatible = "atmel,24c01";
		reg = <0x50>;
	};

	sfp1alerts: eeprom@51 {
		compatible = "atmel,24c01";
		reg = <0x51>;
	};
};

&mmc {
	status = "okay";

	mmc0: mmc-slot@0 {
		compatible = "cavium,octeon-6130-mmc-slot", "mmc-slot";
		reg = <0>;
		vqmmc-supply = <&reg_mmc_3v3>;
		voltage-ranges = <3300 3300>;
		spi-max-frequency = <52000000>;
		/* bus width can be 1, 4 or 8 */
		bus-width = <8>; /* new std property */
		cavium,bus-max-width = <8>; /* custom property */
		non-removable;
	};
};

&soc0 {
	pci-console@0 {
		compatible = "marvell,pci-console";
		status = "okay";
	};

	pci-bootcmd@0 {
		compatible = "marvell,pci-bootcmd";
		status = "okay";
	};

	sfp0: sfp-slot@0 {
		compatible = "ethernet,sfp-slot";
		tx_disable = <&gpio 16 0>;
		mod_abs = <&gpio 17 0>;
		tx_error = <&gpio 19 0>;
		rx_los = <&gpio 18 0>;
		eeprom = <&sfp0eeprom>;
		diag = <&sfp0alerts>;
	};

	sfp1: sfp-slot@1 {
		compatible = "ethernet,sfp-slot";
		tx_disable = <&gpio 21 0>;
		mod_abs = <&gpio 22 0>;
		tx_error = <&gpio 24 0>;
		rx_los = <&gpio 23 0>;
		eeprom = <&sfp1eeprom>;
		diag = <&sfp1alerts>;
	};
};

&spi {
	flash@0 {
		compatible = "micron,n25q128a11", "jedec,spi-nor";
		spi-max-frequency = <2000000>;
		reg = <0>;
	};
};

/* BGX 2 */
&bgx2 {
	status = "okay";

	/* SerDes 0, may differ from PCS Lane/LMAC */
	eth0: ethernet-mac@0 {
		compatible = "cavium,octeon-7890-bgx-port";
		reg = <0>;
		local-mac-address = [ 00 00 00 00 00 00 ];
		sfp-slot = <&sfp0>;
	};

	/* SerDes 1, may differ from PCS Lane/LMAC */
	eth1: ethernet-mac@1 {
		compatible = "cavium,octeon-7890-bgx-port";
		reg = <1>;
		local-mac-address = [ 00 00 00 00 00 00 ];
		sfp-slot = <&sfp1>;
	};
};