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	The PCIe slot PERST signal is active low. Fix the gpio signal description in the dts. This happened to work because the pcie_dw_mvebu driver sets the reset gpio level to 1 (high) to release the reset. The following commit will fix that. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Reviewed-by: Stefan Roese <sr@denx.de> Signed-off-by: Stefan Roese <sr@denx.de>
		
			
				
	
	
		
			308 lines
		
	
	
		
			6.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			308 lines
		
	
	
		
			6.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| /*
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|  * Copyright (C) 2016 Marvell International Ltd.
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|  */
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| 
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| #include "armada-8040.dtsi" /* include SoC device tree */
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| 
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| / {
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| 	model = "MACCHIATOBin-8040";
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| 	compatible = "marvell,armada8040-mcbin",
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| 		     "marvell,armada8040";
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| 
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| 	chosen {
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| 		stdout-path = "serial0:115200n8";
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| 	};
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| 
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| 	aliases {
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| 		i2c0 = &cpm_i2c0;
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| 		i2c1 = &cpm_i2c1;
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| 		spi0 = &cps_spi1;
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| 		gpio0 = &ap_gpio0;
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| 		gpio1 = &cpm_gpio0;
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| 		gpio2 = &cpm_gpio1;
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| 	};
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| 
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| 	memory@00000000 {
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| 		device_type = "memory";
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| 		reg = <0x0 0x0 0x0 0x80000000>;
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| 	};
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| 
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| 	simple-bus {
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| 		compatible = "simple-bus";
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| 		#address-cells = <1>;
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| 		#size-cells = <0>;
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| 
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| 		reg_usb3h0_vbus: usb3-vbus0 {
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| 			compatible = "regulator-fixed";
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| 			pinctrl-names = "default";
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| 			pinctrl-0 = <&cpm_xhci_vbus_pins>;
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| 			regulator-name = "reg-usb3h0-vbus";
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| 			regulator-min-microvolt = <5000000>;
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| 			regulator-max-microvolt = <5000000>;
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| 			startup-delay-us = <500000>;
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| 			enable-active-high;
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| 			regulator-always-on;
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| 			regulator-boot-on;
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| 			gpio = <&cpm_gpio1 15 GPIO_ACTIVE_HIGH>; /* GPIO[47] */
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| 		};
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| 	};
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| };
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| 
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| /* Accessible over the mini-USB CON9 connector on the main board */
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| &uart0 {
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| 	status = "okay";
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| };
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| 
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| &ap_pinctl {
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| 	/*
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| 	 * MPP Bus:
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| 	 * eMMC [0-10]
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| 	 * UART0 [11,19]
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| 	 */
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| 		  /* 0 1 2 3 4 5 6 7 8 9 */
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| 	pin-func = < 1 1 1 1 1 1 1 1 1 1
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| 		     1 3 0 0 0 0 0 0 0 3 >;
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| };
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| 
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| /* on-board eMMC */
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| &ap_sdhci0 {
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| 	pinctrl-names = "default";
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| 	pinctrl-0 = <&ap_emmc_pins>;
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| 	bus-width= <8>;
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| 	status = "okay";
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| };
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| 
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| &cpm_pinctl {
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| 	/*
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| 	 * MPP Bus:
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| 	 * [0-31] = 0xff: Keep default CP0_shared_pins:
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| 	 * [11] CLKOUT_MPP_11 (out)
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| 	 * [23] LINK_RD_IN_CP2CP (in)
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| 	 * [25] CLKOUT_MPP_25 (out)
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| 	 * [29] AVS_FB_IN_CP2CP (in)
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| 	 * [32,34] SMI
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| 	 * [33]    MSS power down
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| 	 * [35-38] CP0 I2C1 and I2C0
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| 	 * [39] MSS CKE Enable
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| 	 * [40,41] CP0 UART1 TX/RX
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| 	 * [42,43] XSMI (controls two 10G phys)
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| 	 * [47] USB VBUS EN
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| 	 * [48] FAN PWM
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| 	 * [49] 10G port 1 interrupt
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| 	 * [50] 10G port 0 interrupt
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| 	 * [51] 2.5G SFP TX fault
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| 	 * [52] PCIe reset out
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| 	 * [53] 2.5G SFP mode
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| 	 * [54] 2.5G SFP LOS
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| 	 * [55] Micro SD card detect
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| 	 * [56-61] Micro SD
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| 	 * [62] CP1 SFI SFP FAULT
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| 	 */
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| 		/*   0    1    2    3    4    5    6    7    8    9 */
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| 	pin-func = < 0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff
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| 		     0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff
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| 		     0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff
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| 		     0xff 0    7    0xa  7    2    2    2    2    0xa
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| 		     7    7    8    8    0    0    0    0    0    0
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| 		     0    0    0    0    0    0    0xe  0xe  0xe  0xe
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| 		     0xe  0xe  0 >;
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| 
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| 	cpm_xhci_vbus_pins: cpm-xhci-vbus-pins {
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| 		marvell,pins = < 47 >;
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| 		marvell,function = <0>;
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| 	};
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| 
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| 	cpm_pcie_reset_pins: cpm-pcie-reset-pins {
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| 		marvell,pins = < 52 >;
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| 		marvell,function = <0>;
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| 	};
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| };
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| 
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| /* uSD slot */
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| &cpm_sdhci0 {
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| 	pinctrl-names = "default";
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| 	pinctrl-0 = <&cpm_sdhci_pins>;
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| 	bus-width= <4>;
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| 	status = "okay";
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| };
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| 
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| /* PCIe x4 */
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| &cpm_pcie0 {
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| 	num-lanes = <4>;
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| 	pinctrl-names = "default";
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| 	pinctrl-0 = <&cpm_pcie_reset_pins>;
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| 	marvell,reset-gpio = <&cpm_gpio1 20 GPIO_ACTIVE_LOW>; /* GPIO[52] */
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| 	status = "okay";
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| };
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| 
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| &cpm_i2c0 {
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| 	pinctrl-names = "default";
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| 	pinctrl-0 = <&cpm_i2c0_pins>;
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| 	status = "okay";
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| 	clock-frequency = <100000>;
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| };
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| 
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| &cpm_i2c1 {
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| 	pinctrl-names = "default";
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| 	pinctrl-0 = <&cpm_i2c1_pins>;
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| 	status = "okay";
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| 	clock-frequency = <100000>;
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| };
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| 
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| &cpm_sata0 {
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| 	status = "okay";
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| };
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| 
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| &cpm_mdio {
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| 	ge_phy: ethernet-phy@0 {
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| 		reg = <0>;
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| 	};
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| };
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| 
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| &cpm_comphy {
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| 	/*
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| 	 * CP0 Serdes Configuration:
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| 	 * Lane 0: PCIe0 (x4)
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| 	 * Lane 1: PCIe0 (x4)
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| 	 * Lane 2: PCIe0 (x4)
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| 	 * Lane 3: PCIe0 (x4)
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| 	 * Lane 4: SFI (10G)
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| 	 * Lane 5: SATA1
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| 	 */
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| 	phy0 {
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| 		phy-type = <PHY_TYPE_PEX0>;
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| 	};
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| 	phy1 {
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| 		phy-type = <PHY_TYPE_PEX0>;
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| 	};
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| 	phy2 {
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| 		phy-type = <PHY_TYPE_PEX0>;
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| 	};
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| 	phy3 {
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| 		phy-type = <PHY_TYPE_PEX0>;
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| 	};
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| 	phy4 {
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| 		phy-type = <PHY_TYPE_SFI>;
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| 	};
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| 	phy5 {
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| 		phy-type = <PHY_TYPE_SATA1>;
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| 	};
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| };
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| 
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| &cps_sata0 {
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| 	status = "okay";
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| };
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| 
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| &cps_usb3_0 {
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| 	vbus-supply = <®_usb3h0_vbus>;
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| 	status = "okay";
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| };
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| 
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| &cps_utmi0 {
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| 	status = "okay";
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| };
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| 
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| &cps_ethernet {
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| 	status = "okay";
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| };
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| 
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| &cps_eth1 {
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| 	status = "okay";
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| 	phy = <&ge_phy>;
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| 	phy-mode = "sgmii";
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| };
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| 
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| &cps_pinctl {
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| 	/*
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| 	 * MPP Bus:
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| 	 * [0-5] TDM
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| 	 * [6,7] CP1_UART 0
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| 	 * [8]   CP1 10G SFP LOS
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| 	 * [9]   CP1 10G PHY RESET
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| 	 * [10]  CP1 10G SFP TX Disable
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| 	 * [11]  CP1 10G SFP Mode
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| 	 * [12]  SPI1 CS1n
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| 	 * [13]  SPI1 MISO (TDM and SPI ROM shared)
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| 	 * [14]  SPI1 CS0n
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| 	 * [15]  SPI1 MOSI (TDM and SPI ROM shared)
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| 	 * [16]  SPI1 CLK (TDM and SPI ROM shared)
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| 	 * [24]  CP1 2.5G SFP TX Disable
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| 	 * [26]  CP0 10G SFP TX Fault
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| 	 * [27]  CP0 10G SFP Mode
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| 	 * [28]  CP0 10G SFP LOS
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| 	 * [29]  CP0 10G SFP TX Disable
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| 	 * [30]  USB Over current indication
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| 	 * [31]  10G Port 0 phy reset
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| 	 * [32-62] = 0xff: Keep default CP1_shared_pins:
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| 	 */
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| 		/*   0    1    2    3    4    5    6    7    8    9 */
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| 	pin-func = < 0x4  0x4  0x4  0x4  0x4  0x4  0x8  0x8  0x0  0x0
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| 		     0x0  0x0  0x3  0x3  0x3  0x3  0x3  0xff 0xff 0xff
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| 		     0xff 0xff 0xff 0xff 0x0  0xff 0x0  0x0  0x0 0x0
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| 		     0x0  0x0  0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff
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| 		     0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff
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| 		     0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff
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| 		     0xff 0xff 0xff>;
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| };
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| 
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| &cps_spi1 {
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| 	pinctrl-names = "default";
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| 	pinctrl-0 = <&cps_spi1_pins>;
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| 	status = "okay";
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| 
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| 	spi-flash@0 {
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| 		#address-cells = <1>;
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| 		#size-cells = <1>;
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| 		compatible = "jedec,spi-nor";
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| 		reg = <0>;
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| 		spi-max-frequency = <10000000>;
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| 
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| 		partitions {
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| 			compatible = "fixed-partitions";
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| 			#address-cells = <1>;
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| 			#size-cells = <1>;
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| 
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| 			partition@0 {
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| 				label = "U-Boot";
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| 				reg = <0 0x200000>;
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| 			};
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| 			partition@400000 {
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| 				label = "Filesystem";
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| 				reg = <0x200000 0xce0000>;
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| 			};
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| 		};
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| 	};
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| };
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| 
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| &cps_comphy {
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| 	/*
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| 	 * CP1 Serdes Configuration:
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| 	 * Lane 0: SGMII1
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| 	 * Lane 1: SATA 0
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| 	 * Lane 2: USB HOST 0
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| 	 * Lane 3: SATA1
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| 	 * Lane 4: SFI (10G)
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| 	 * Lane 5: SGMII3
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| 	 */
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| 	phy0 {
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| 		phy-type = <PHY_TYPE_SGMII1>;
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| 		phy-speed = <PHY_SPEED_1_25G>;
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| 	};
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| 	phy1 {
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| 		phy-type = <PHY_TYPE_SATA0>;
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| 	};
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| 	phy2 {
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| 		phy-type = <PHY_TYPE_USB3_HOST0>;
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| 	};
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| 	phy3 {
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| 		phy-type = <PHY_TYPE_SATA1>;
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| 	};
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| 	phy4 {
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| 		phy-type = <PHY_TYPE_SFI>;
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| 	};
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| 	phy5 {
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| 		phy-type = <PHY_TYPE_SGMII3>;
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| 	};
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| };
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