[U-Boot] [PATCH] arm: mvebu: Add SolidRun ClearFog Armada 38x initial support

Luka Perkov luka.perkov at sartura.hr
Sun Dec 13 23:02:50 CET 2015


Hi Dennis,

On Sun, Dec 13, 2015 at 11:33:46AM -0600, Dennis Gilmore wrote:
> Trying to test this  I have hit an error with CONFIG_PHY_ADDR not defined.
> 
> I am guessing that I am missing some other sets of patches. digging through 
> patchwork I am not able to figure it out.  there is a bunch of patches in 
> patchwork that say they are in NEW state however they are in the tree so not 
> labeled correctly.  Any clues as to which patch sets this depends on are 
> appreciated.

I've asked Stefan to put the patches up on some git repo for easier
review and pull on my side. I'm also very eager to test this patchset!

Regards,
Luka

> Dennis
> 
> 
> On Friday, November 27, 2015 04:15:17 PM Stefan Roese wrote:
> > This patch adds basic support for the SolidRun ClearFog Armada 38x based
> > board to mainline U-Boot. Supported interfaces / devices are:
> > - DDR3
> > - UART
> > - MMC
> > - Ethernet port 0 (connected to dedicated PHY)
> > - I2C
> > 
> > The included DT source was taken from Russell King's ftp server:
> > http://www.home.arm.linux.org.uk/~rmk/clearfog/
> > 
> > With only minor modifications, like the addition of some aliases and the
> > "u-boot,dm-pre-reloc" property.
> > 
> > Signed-off-by: Stefan Roese <sr at denx.de>
> > Cc: Rabeeh Khoury <rabeeh at solid-run.com>
> > Cc: Luka Perkov <luka.perkov at sartura.hr>
> > ---
> >  arch/arm/Kconfig                     |   1 +
> >  arch/arm/dts/Makefile                |   1 +
> >  arch/arm/dts/armada-388-clearfog.dts | 509
> > +++++++++++++++++++++++++++++++++++ arch/arm/mach-mvebu/Kconfig          | 
> >  3 +
> >  board/solidrun/clearfog/Kconfig      |  12 +
> >  board/solidrun/clearfog/MAINTAINERS  |   6 +
> >  board/solidrun/clearfog/Makefile     |   7 +
> >  board/solidrun/clearfog/README       |  18 ++
> >  board/solidrun/clearfog/clearfog.c   | 156 +++++++++++
> >  board/solidrun/clearfog/kwbimage.cfg |  12 +
> >  configs/clearfog_defconfig           |  20 ++
> >  include/configs/clearfog.h           | 183 +++++++++++++
> >  12 files changed, 928 insertions(+)
> >  create mode 100644 arch/arm/dts/armada-388-clearfog.dts
> >  create mode 100644 board/solidrun/clearfog/Kconfig
> >  create mode 100644 board/solidrun/clearfog/MAINTAINERS
> >  create mode 100644 board/solidrun/clearfog/Makefile
> >  create mode 100644 board/solidrun/clearfog/README
> >  create mode 100644 board/solidrun/clearfog/clearfog.c
> >  create mode 100644 board/solidrun/clearfog/kwbimage.cfg
> >  create mode 100644 configs/clearfog_defconfig
> >  create mode 100644 include/configs/clearfog.h
> > 
> > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> > index 4ddc2de..0c4794b 100644
> > --- a/arch/arm/Kconfig
> > +++ b/arch/arm/Kconfig
> > @@ -801,6 +801,7 @@ source "board/siemens/draco/Kconfig"
> >  source "board/siemens/pxm2/Kconfig"
> >  source "board/siemens/rut/Kconfig"
> >  source "board/silica/pengwyn/Kconfig"
> > +source "board/solidrun/clearfog/Kconfig"
> >  source "board/spear/spear300/Kconfig"
> >  source "board/spear/spear310/Kconfig"
> >  source "board/spear/spear320/Kconfig"
> > diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> > index 9719103..0494997 100644
> > --- a/arch/arm/dts/Makefile
> > +++ b/arch/arm/dts/Makefile
> > @@ -47,6 +47,7 @@ dtb-$(CONFIG_TEGRA) += tegra20-harmony.dtb \
> >  	tegra210-p2571.dtb
> > 
> >  dtb-$(CONFIG_ARCH_MVEBU) +=			\
> > +	armada-388-clearfog.dtb			\
> >  	armada-388-gp.dtb			\
> >  	armada-xp-gp.dtb			\
> >  	armada-xp-maxbcm.dtb
> > diff --git a/arch/arm/dts/armada-388-clearfog.dts
> > b/arch/arm/dts/armada-388-clearfog.dts new file mode 100644
> > index 0000000..b2dfd56
> > --- /dev/null
> > +++ b/arch/arm/dts/armada-388-clearfog.dts
> > @@ -0,0 +1,509 @@
> > +/*
> > + * Device Tree file for SolidRun Clearfog revision A1 rev 2.0 (88F6828)
> > + *
> > + *  Copyright (C) 2015 Russell King
> > + *
> > + * This board is in development; the contents of this file work with
> > + * the A1 rev 2.0 of the board, which does not represent final
> > + * production board.  Things will change, don't expect this file to
> > + * remain compatible info the future.
> > + *
> > + * This file is dual-licensed: you can use it either under the terms
> > + * of the GPL or the X11 license, at your option. Note that this dual
> > + * licensing only applies to this file, and not this project as a
> > + * whole.
> > + *
> > + *  a) This file is free software; you can redistribute it and/or
> > + *     modify it under the terms of the GNU General Public License
> > + *     version 2 as published by the Free Software Foundation.
> > + *
> > + *     This file is distributed in the hope that it will be useful
> > + *     but WITHOUT ANY WARRANTY; without even the implied warranty of
> > + *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> > + *     GNU General Public License for more details.
> > + *
> > + * Or, alternatively
> > + *
> > + *  b) Permission is hereby granted, free of charge, to any person
> > + *     obtaining a copy of this software and associated documentation
> > + *     files (the "Software"), to deal in the Software without
> > + *     restriction, including without limitation the rights to use
> > + *     copy, modify, merge, publish, distribute, sublicense, and/or
> > + *     sell copies of the Software, and to permit persons to whom the
> > + *     Software is furnished to do so, subject to the following
> > + *     conditions:
> > + *
> > + *     The above copyright notice and this permission notice shall be
> > + *     included in all copies or substantial portions of the Software.
> > + *
> > + *     THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND
> > + *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> > + *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> > + *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> > + *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY
> > + *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> > + *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> > + *     OTHER DEALINGS IN THE SOFTWARE.
> > + */
> > +
> > +/dts-v1/;
> > +#include <dt-bindings/input/input.h>
> > +#include <dt-bindings/gpio/gpio.h>
> > +#include "armada-388.dtsi"
> > +
> > +/ {
> > +	model = "SolidRun Clearfog A1";
> > +	compatible = "solidrun,clearfog-a1", "marvell,armada388",
> > +		"marvell,armada385", "marvell,armada380";
> > +
> > +	aliases {
> > +		/* So that mvebu u-boot can update the MAC addresses */
> > +		ethernet1 = &eth0;
> > +		ethernet2 = &eth1;
> > +		ethernet3 = &eth2;
> > +	};
> > +
> > +	chosen {
> > +		stdout-path = "serial0:115200n8";
> > +	};
> > +
> > +	memory {
> > +		device_type = "memory";
> > +		reg = <0x00000000 0x10000000>; /* 256 MB */
> > +	};
> > +
> > +	reg_3p3v: regulator-3p3v {
> > +		compatible = "regulator-fixed";
> > +		regulator-name = "3P3V";
> > +		regulator-min-microvolt = <3300000>;
> > +		regulator-max-microvolt = <3300000>;
> > +		regulator-always-on;
> > +	};
> > +
> > +	soc {
> > +		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
> > +			  MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
> > +			  MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
> > +			  MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000>;
> > +
> > +		internal-regs {
> > +			ethernet at 30000 {
> > +				mac-address = [00 50 43 02 02 02];
> > +				phy-mode = "sgmii";
> > +				status = "okay";
> > +
> > +				fixed-link {
> > +					speed = <1000>;
> > +					full-duplex;
> > +				};
> > +			};
> > +
> > +			ethernet at 34000 {
> > +				mac-address = [00 50 43 02 02 03];
> > +				managed = "in-band-status";
> > +				phy-mode = "sgmii";
> > +				status = "okay";
> > +			};
> > +
> > +			ethernet at 70000 {
> > +				mac-address = [00 50 43 02 02 01];
> > +				pinctrl-0 = <&ge0_rgmii_pins>;
> > +				pinctrl-names = "default";
> > +				phy = <&phy_dedicated>;
> > +				phy-mode = "rgmii-id";
> > +				status = "okay";
> > +			};
> > +
> > +			i2c at 11000 {
> > +				/* Is there anything on this? */
> > +				clock-frequency = <100000>;
> > +				pinctrl-0 = <&i2c0_pins>;
> > +				pinctrl-names = "default";
> > +				status = "okay";
> > +
> > +				/*
> > +				 * PCA9655 GPIO expander, up to 1MHz clock.
> > +				 *  0-CON3 CLKREQ#
> > +				 *  1-CON3 PERST#
> > +				 *  2-CON2 PERST#
> > +				 *  3-CON3 W_DISABLE
> > +				 *  4-CON2 CLKREQ#
> > +				 *  5-USB3 overcurrent
> > +				 *  6-USB3 power
> > +				 *  7-CON2 W_DISABLE
> > +				 *  8-JP4 P1
> > +				 *  9-JP4 P4
> > +				 * 10-JP4 P5
> > +				 * 11-m.2 DEVSLP
> > +				 * 12-SFP_LOS
> > +				 * 13-SFP_TX_FAULT
> > +				 * 14-SFP_TX_DISABLE
> > +				 * 15-SFP_MOD_DEF0
> > +				 */
> > +				expander0: gpio-expander at 20 {
> > +					/*
> > +					 * This is how it should be:
> > +					 * compatible = "onnn,pca9655",
> > +					 *	 "nxp,pca9555";
> > +					 * but you can't do this because of
> > +					 * the way I2C works.
> > +					 */
> > +					compatible = "nxp,pca9555";
> > +					gpio-controller;
> > +					#gpio-cells = <2>;
> > +					reg = <0x20>;
> > +
> > +					pcie1_0_clkreq {
> > +						gpio-hog;
> > +						gpios = <0 GPIO_ACTIVE_LOW>;
> > +						input;
> > +						line-name = "pcie1.0-clkreq";
> > +					};
> > +					pcie1_0_w_disable {
> > +						gpio-hog;
> > +						gpios = <3 GPIO_ACTIVE_LOW>;
> > +						output-low;
> > +						line-name = "pcie1.0-w-disable";
> > +					};
> > +					pcie2_0_clkreq {
> > +						gpio-hog;
> > +						gpios = <4 GPIO_ACTIVE_LOW>;
> > +						input;
> > +						line-name = "pcie2.0-clkreq";
> > +					};
> > +					pcie2_0_w_disable {
> > +						gpio-hog;
> > +						gpios = <7 GPIO_ACTIVE_LOW>;
> > +						output-low;
> > +						line-name = "pcie2.0-w-disable";
> > +					};
> > +					usb3_ilimit {
> > +						gpio-hog;
> > +						gpios = <5 GPIO_ACTIVE_LOW>;
> > +						input;
> > +						line-name = "usb3-current-limit";
> > +					};
> > +					usb3_power {
> > +						gpio-hog;
> > +						gpios = <6 GPIO_ACTIVE_HIGH>;
> > +						output-high;
> > +						line-name = "usb3-power";
> > +					};
> > +					m2_devslp {
> > +						gpio-hog;
> > +						gpios = <11 GPIO_ACTIVE_HIGH>;
> > +						output-low;
> > +						line-name = "m.2 devslp";
> > +					};
> > +				};
> > +
> > +				/* The MCP3021 is 100kHz clock only */
> > +				mikrobus_adc: mcp3021 at 4c {
> > +					compatible = "microchip,mcp3021";
> > +					reg = <0x4c>;
> > +				};
> > +
> > +				/* Also something at 0x64 */
> > +			};
> > +
> > +			i2c at 11100 {
> > +				/*
> > +				 * Routed to SFP, mikrobus, and PCIe.
> > +				 * SFP limits this to 100kHz, and requires
> > +				 *  an AT24C01A/02/04 with address pins tied
> > +				 *  low, which takes addresses 0x50 and 0x51.
> > +				 * Mikrobus doesn't specify beyond an I2C
> > +				 *  bus being present.
> > +				 * PCIe uses ARP to assign addresses, or
> > +				 *  0x63-0x64.
> > +				 */
> > +				clock-frequency = <100000>;
> > +				pinctrl-0 = <&clearfog_i2c1_pins>;
> > +				pinctrl-names = "default";
> > +				status = "okay";
> > +			};
> > +
> > +			mdio at 72004 {
> > +				pinctrl-0 = <&mdio_pins>;
> > +				pinctrl-names = "default";
> > +
> > +				phy_dedicated: ethernet-phy at 0 {
> > +					/*
> > +					 * Annoyingly, the marvell phy driver
> > +					 * configures the LED register, rather
> > +					 * than preserving reset-loaded setting.
> > +					 * We undo that rubbish here.
> > +					 */
> > +					marvell,reg-init = <3 16 0 0x101e>;
> > +					reg = <0>;
> > +				};
> > +			};
> > +
> > +			pinctrl at 18000 {
> > +				clearfog_dsa0_clk_pins: clearfog-dsa0-clk-pins {
> > +					marvell,pins = "mpp46";
> > +					marvell,function = "ref";
> > +				};
> > +				clearfog_dsa0_pins: clearfog-dsa0-pins {
> > +					marvell,pins = "mpp23", "mpp41";
> > +					marvell,function = "gpio";
> > +				};
> > +				clearfog_i2c1_pins: i2c1-pins {
> > +					/* SFP, PCIe, mSATA, mikrobus */
> > +					marvell,pins = "mpp26", "mpp27";
> > +					marvell,function = "i2c1";
> > +				};
> > +				clearfog_sdhci_cd_pins: clearfog-sdhci-cd-pins {
> > +					marvell,pins = "mpp20";
> > +					marvell,function = "gpio";
> > +				};
> > +				clearfog_sdhci_pins: clearfog-sdhci-pins {
> > +					marvell,pins = "mpp21", "mpp28",
> > +						       "mpp37", "mpp38",
> > +						       "mpp39", "mpp40";
> > +					marvell,function = "sd0";
> > +				};
> > +				clearfog_spi1_cs_pins: spi1-cs-pins {
> > +					marvell,pins = "mpp55";
> > +					marvell,function = "spi1";
> > +				};
> > +				mikro_pins: mikro-pins {
> > +					/* int: mpp22 rst: mpp29 */
> > +					marvell,pins = "mpp22", "mpp29";
> > +					marvell,function = "gpio";
> > +				};
> > +				mikro_spi_pins: mikro-spi-pins {
> > +					marvell,pins = "mpp43";
> > +					marvell,function = "spi1";
> > +				};
> > +				mikro_uart_pins: mikro-uart-pins {
> > +					marvell,pins = "mpp24", "mpp25";
> > +					marvell,function = "ua1";
> > +				};
> > +				rear_button_pins: rear-button-pins {
> > +					marvell,pins = "mpp34";
> > +					marvell,function = "gpio";
> > +				};
> > +			};
> > +
> > +			rtc at a3800 {
> > +				/*
> > +				 * If the rtc doesn't work, run "date reset"
> > +				 * twice in u-boot.
> > +				 */
> > +				status = "okay";
> > +			};
> > +
> > +			sata at a8000 {
> > +				/* pinctrl? */
> > +				status = "okay";
> > +			};
> > +
> > +			sata at e0000 {
> > +				/* pinctrl? */
> > +				status = "okay";
> > +			};
> > +
> > +			sdhci at d8000 {
> > +				bus-width = <4>;
> > +				cd-gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
> > +				no-1-8-v;
> > +				pinctrl-0 = <&clearfog_sdhci_pins
> > +					     &clearfog_sdhci_cd_pins>;
> > +				pinctrl-names = "default";
> > +				status = "okay";
> > +				vmmc = <&reg_3p3v>;
> > +				wp-inverted;
> > +			};
> > +
> > +			serial at 12000 {
> > +				pinctrl-0 = <&uart0_pins>;
> > +				pinctrl-names = "default";
> > +				status = "okay";
> > +				u-boot,dm-pre-reloc;
> > +			};
> > +
> > +			serial at 12100 {
> > +				/* mikrobus uart */
> > +				pinctrl-0 = <&mikro_uart_pins>;
> > +				pinctrl-names = "default";
> > +				status = "okay";
> > +			};
> > +
> > +			spi at 10680 {
> > +				/*
> > +				 * We don't seem to have the W25Q32 on the
> > +				 * A1 Rev 2.0 boards, so disable SPI.
> > +				 * CS0: W25Q32 (doesn't appear to be present)
> > +				 * CS1:
> > +				 * CS2: mikrobus
> > +				 */
> > +				pinctrl-0 = <&spi1_pins &clearfog_spi1_cs_pins &mikro_spi_pins>;
> > +				pinctrl-names = "default";
> > +				status = "okay";
> > +
> > +				spi-flash at 0 {
> > +					#address-cells = <1>;
> > +					#size-cells = <0>;
> > +					compatible = "w25q32", "jedec,spi-nor";
> > +					reg = <0>; /* Chip select 0 */
> > +					spi-max-frequency = <3000000>;
> > +					status = "disabled";
> > +				};
> > +			};
> > +
> > +			usb3 at f8000 {
> > +				status = "okay";
> > +			};
> > +		};
> > +
> > +		pcie-controller {
> > +			status = "okay";
> > +			/*
> > +			 * The two PCIe units are accessible through
> > +			 * the mini-PCIe connectors on the board.
> > +			 */
> > +			pcie at 2,0 {
> > +				/* Port 1, Lane 0. CONN3, nearest power. */
> > +				reset-gpios = <&expander0 1 GPIO_ACTIVE_LOW>;
> > +				status = "okay";
> > +			};
> > +			pcie at 3,0 {
> > +				/* Port 2, Lane 0. CONN2, nearest CPU. */
> > +				reset-gpios = <&expander0 2 GPIO_ACTIVE_LOW>;
> > +				status = "okay";
> > +			};
> > +		};
> > +	};
> > +
> > +	sfp: sfp {
> > +		compatible = "sff,sfp";
> > +		i2c-bus = <&i2c1>;
> > +		los-gpio = <&expander0 12 GPIO_ACTIVE_HIGH>;
> > +		moddef0-gpio = <&expander0 15 GPIO_ACTIVE_LOW>;
> > +		sfp,ethernet = <&eth2>;
> > +		tx-disable-gpio = <&expander0 14 GPIO_ACTIVE_HIGH>;
> > +		tx-fault-gpio = <&expander0 13 GPIO_ACTIVE_HIGH>;
> > +	};
> > +
> > +	dsa at 0 {
> > +		compatible = "marvell,dsa";
> > +		dsa,ethernet = <&eth1>;
> > +		dsa,mii-bus = <&mdio>;
> > +		pinctrl-0 = <&clearfog_dsa0_clk_pins &clearfog_dsa0_pins>;
> > +		pinctrl-names = "default";
> > +		#address-cells = <2>;
> > +		#size-cells = <0>;
> > +
> > +		switch at 0 {
> > +			#address-cells = <1>;
> > +			#size-cells = <0>;
> > +			reg = <4 0>;
> > +
> > +			port at 0 {
> > +				reg = <0>;
> > +				label = "lan1";
> > +			};
> > +
> > +			port at 1 {
> > +				reg = <1>;
> > +				label = "lan2";
> > +			};
> > +
> > +			port at 2 {
> > +				reg = <2>;
> > +				label = "lan3";
> > +			};
> > +
> > +			port at 3 {
> > +				reg = <3>;
> > +				label = "lan4";
> > +			};
> > +
> > +			port at 4 {
> > +				reg = <4>;
> > +				label = "lan5";
> > +			};
> > +
> > +			port at 5 {
> > +				reg = <5>;
> > +				label = "cpu";
> > +			};
> > +
> > +			port at 6 {
> > +				/* 88E1512 external phy */
> > +				reg = <6>;
> > +				label = "lan6";
> > +				fixed-link {
> > +					speed = <1000>;
> > +					full-duplex;
> > +				};
> > +			};
> > +		};
> > +	};
> > +
> > +	gpio-keys {
> > +		compatible = "gpio-keys";
> > +		pinctrl-0 = <&rear_button_pins>;
> > +		pinctrl-names = "default";
> > +
> > +		button_0 {
> > +			/* The rear SW3 button */
> > +			label = "Rear Button";
> > +			gpios = <&gpio1 2 GPIO_ACTIVE_LOW>;
> > +			linux,can-disable;
> > +			linux,code = <BTN_0>;
> > +		};
> > +	};
> > +};
> > +
> > +/*
> > ++#define A38x_CUSTOMER_BOARD_1_MPP16_23         0x00400011
> > +MPP18: gpio		? (pca9655 int?)
> > +MPP19: gpio		? (clkreq?)
> > +MPP20: gpio		? (sd0 detect)
> > +MPP21: sd0:cmd		x sd0
> > +MPP22: gpio		x mikro int
> > +MPP23: gpio		x switch irq
> > ++#define A38x_CUSTOMER_BOARD_1_MPP24_31         0x22043333
> > +MPP24: ua1:rxd		x mikro rx
> > +MPP25: ua1:txd		x mikro tx
> > +MPP26: i2c1:sck		x mikro sck
> > +MPP27: i2c1:sda		x mikro sda
> > +MPP28: sd0:clk		x sd0
> > +MPP29: gpio		x mikro rst
> > +MPP30: ge1:txd2		? (config)
> > +MPP31: ge1:txd3		? (config)
> > ++#define A38x_CUSTOMER_BOARD_1_MPP32_39         0x44400002
> > +MPP32: ge1:txctl	? (unused)
> > +MPP33: gpio		? (pic_com0)
> > +MPP34: gpio		x rear button (pic_com1)
> > +MPP35: gpio		? (pic_com2)
> > +MPP36: gpio		? (unused)
> > +MPP37: sd0:d3		x sd0
> > +MPP38: sd0:d0		x sd0
> > +MPP39: sd0:d1		x sd0
> > ++#define A38x_CUSTOMER_BOARD_1_MPP40_47         0x41144004
> > +MPP40: sd0:d2		x sd0
> > +MPP41: gpio		x switch reset
> > +MPP42: gpio		? sw1-1
> > +MPP43: spi1:cs2		x mikro cs
> > +MPP44: sata3:prsnt	? (unused)
> > +MPP45: ref:clk_out0	?
> > +MPP46: ref:clk_out1	x switch clk
> > +MPP47: 4		? (unused)
> > ++#define A38x_CUSTOMER_BOARD_1_MPP48_55         0x40333333
> > +MPP48: tdm:pclk
> > +MPP49: tdm:fsync
> > +MPP50: tdm:drx
> > +MPP51: tdm:dtx
> > +MPP52: tdm:int
> > +MPP53: tdm:rst
> > +MPP54: gpio		? (pwm)
> > +MPP55: spi1:cs1		x slic
> > ++#define A38x_CUSTOMER_BOARD_1_MPP56_63         0x00004444
> > +MPP56: spi1:mosi	x mikro mosi
> > +MPP57: spi1:sck		x mikro sck
> > +MPP58: spi1:miso	x mikro miso
> > +MPP59: spi1:cs0		x w25q32
> > +*/
> > diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
> > index 79ff0e8..82a439e 100644
> > --- a/arch/arm/mach-mvebu/Kconfig
> > +++ b/arch/arm/mach-mvebu/Kconfig
> > @@ -4,6 +4,9 @@ choice
> >  	prompt "Marvell MVEBU (Armada XP/38x) board select"
> >  	optional
> > 
> > +config TARGET_CLEARFOG
> > +	bool "Support ClearFog"
> > +
> >  config TARGET_DB_88F6820_GP
> >  	bool "Support DB-88F6820-GP"
> > 
> > diff --git a/board/solidrun/clearfog/Kconfig
> > b/board/solidrun/clearfog/Kconfig new file mode 100644
> > index 0000000..cdf8938
> > --- /dev/null
> > +++ b/board/solidrun/clearfog/Kconfig
> > @@ -0,0 +1,12 @@
> > +if TARGET_CLEARFOG
> > +
> > +config SYS_BOARD
> > +	default "clearfog"
> > +
> > +config SYS_VENDOR
> > +	default "solidrun"
> > +
> > +config SYS_CONFIG_NAME
> > +	default "clearfog"
> > +
> > +endif
> > diff --git a/board/solidrun/clearfog/MAINTAINERS
> > b/board/solidrun/clearfog/MAINTAINERS new file mode 100644
> > index 0000000..298e501
> > --- /dev/null
> > +++ b/board/solidrun/clearfog/MAINTAINERS
> > @@ -0,0 +1,6 @@
> > +CLEARFOG BOARD
> > +M:	Stefan Roese <sr at denx.de>
> > +S:	Maintained
> > +F:	board/soldrun/clearfog/
> > +F:	include/configs/clearfog.h
> > +F:	configs/clearfog_defconfig
> > diff --git a/board/solidrun/clearfog/Makefile
> > b/board/solidrun/clearfog/Makefile new file mode 100644
> > index 0000000..1920d6b
> > --- /dev/null
> > +++ b/board/solidrun/clearfog/Makefile
> > @@ -0,0 +1,7 @@
> > +#
> > +# Copyright (C) 2015 Stefan Roese <sr at denx.de>
> > +#
> > +# SPDX-License-Identifier:	GPL-2.0+
> > +#
> > +
> > +obj-y	:= clearfog.o
> > diff --git a/board/solidrun/clearfog/README b/board/solidrun/clearfog/README
> > new file mode 100644
> > index 0000000..2cfa5bf
> > --- /dev/null
> > +++ b/board/solidrun/clearfog/README
> > @@ -0,0 +1,18 @@
> > +Update from original Marvell U-Boot to mainline U-Boot:
> > +-------------------------------------------------------
> > +
> > +Generate the U-Boot image with these commands:
> > +
> > +$ make clearfog_defconfig
> > +$ make
> > +
> > +The resulting image including the SPL binary with the
> > +full DDR setup is "u-boot-spl.kwb".
> > +
> > +Now all you need to do is copy this image on a SD card.
> > +For example with this command:
> > +
> > +$ sudo dd if=u-boot-spl.kwb of=/dev/sdX bs=512 seek=1
> > +
> > +Please use the correct device node for your setup instead
> > +of "/dev/sdX" here!
> > diff --git a/board/solidrun/clearfog/clearfog.c
> > b/board/solidrun/clearfog/clearfog.c new file mode 100644
> > index 0000000..2773f59
> > --- /dev/null
> > +++ b/board/solidrun/clearfog/clearfog.c
> > @@ -0,0 +1,156 @@
> > +/*
> > + * Copyright (C) 2015 Stefan Roese <sr at denx.de>
> > + *
> > + * SPDX-License-Identifier:	GPL-2.0+
> > + */
> > +
> > +#include <common.h>
> > +#include <i2c.h>
> > +#include <miiphy.h>
> > +#include <netdev.h>
> > +#include <asm/io.h>
> > +#include <asm/arch/cpu.h>
> > +#include <asm/arch/soc.h>
> > +
> > +#include "../drivers/ddr/marvell/a38x/ddr3_a38x_topology.h"
> > +#include <../serdes/a38x/high_speed_env_spec.h>
> > +
> > +DECLARE_GLOBAL_DATA_PTR;
> > +
> > +#define ETH_PHY_CTRL_REG		0
> > +#define ETH_PHY_CTRL_POWER_DOWN_BIT	11
> > +#define ETH_PHY_CTRL_POWER_DOWN_MASK	(1 << ETH_PHY_CTRL_POWER_DOWN_BIT)
> > +
> > +/*
> > + * Those values and defines are taken from the Marvell U-Boot version
> > + * "u-boot-2013.01-15t1-clearfog"
> > + */
> > +#define BOARD_GPP_OUT_ENA_LOW	0xffffffff
> > +#define BOARD_GPP_OUT_ENA_MID	0xffffffff
> > +
> > +#define BOARD_GPP_OUT_VAL_LOW	0x0
> > +#define BOARD_GPP_OUT_VAL_MID	0x0
> > +#define BOARD_GPP_POL_LOW	0x0
> > +#define BOARD_GPP_POL_MID	0x0
> > +
> > +/* IO expander on Marvell GP board includes e.g. fan enabling */
> > +struct marvell_io_exp {
> > +	u8 chip;
> > +	u8 addr;
> > +	u8 val;
> > +};
> > +
> > +static struct marvell_io_exp io_exp[] = {
> > +	{ 0x20, 2, 0x40 },	/* Deassert both mini pcie reset signals */
> > +	{ 0x20, 6, 0xf9 },
> > +	{ 0x20, 2, 0x46 },	/* rst signals and ena USB3 current limiter */
> > +	{ 0x20, 6, 0xb9 },
> > +	{ 0x20, 3, 0x00 },	/* Set SFP_TX_DIS to zero */
> > +	{ 0x20, 7, 0xbf },	/* Drive SFP_TX_DIS to zero */
> > +};
> > +
> > +static struct serdes_map board_serdes_map[] = {
> > +	{SATA0, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0},
> > +	{SGMII1, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0},
> > +	{PEX1, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0},
> > +	{USB3_HOST1, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
> > +	{PEX2, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0},
> > +	{SGMII2, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0},
> > +};
> > +
> > +int hws_board_topology_load(struct serdes_map **serdes_map_array, u8
> > *count) +{
> > +	*serdes_map_array = board_serdes_map;
> > +	*count = ARRAY_SIZE(board_serdes_map);
> > +	return 0;
> > +}
> > +
> > +/*
> > + * Define the DDR layout / topology here in the board file. This will
> > + * be used by the DDR3 init code in the SPL U-Boot version to configure
> > + * the DDR3 controller.
> > + */
> > +static struct hws_topology_map board_topology_map = {
> > +	0x1, /* active interfaces */
> > +	/* cs_mask, mirror, dqs_swap, ck_swap X PUPs */
> > +	{ { { {0x1, 0, 0, 0},
> > +	      {0x1, 0, 0, 0},
> > +	      {0x1, 0, 0, 0},
> > +	      {0x1, 0, 0, 0},
> > +	      {0x1, 0, 0, 0} },
> > +	    SPEED_BIN_DDR_1600K,	/* speed_bin */
> > +	    BUS_WIDTH_16,		/* memory_width */
> > +	    MEM_4G,			/* mem_size */
> > +	    DDR_FREQ_800,		/* frequency */
> > +	    0, 0,			/* cas_l cas_wl */
> > +	    HWS_TEMP_LOW} },		/* temperature */
> > +	5,				/* Num Of Bus Per Interface*/
> > +	BUS_MASK_32BIT			/* Busses mask */
> > +};
> > +
> > +struct hws_topology_map *ddr3_get_topology_map(void)
> > +{
> > +	/* Return the board topology as defined in the board code */
> > +	return &board_topology_map;
> > +}
> > +
> > +int board_early_init_f(void)
> > +{
> > +	/* Configure MPP */
> > +	writel(0x11111111, MVEBU_MPP_BASE + 0x00);
> > +	writel(0x11111111, MVEBU_MPP_BASE + 0x04);
> > +	writel(0x10400011, MVEBU_MPP_BASE + 0x08);
> > +	writel(0x22043333, MVEBU_MPP_BASE + 0x0c);
> > +	writel(0x44400002, MVEBU_MPP_BASE + 0x10);
> > +	writel(0x41144004, MVEBU_MPP_BASE + 0x14);
> > +	writel(0x40333333, MVEBU_MPP_BASE + 0x18);
> > +	writel(0x00004444, MVEBU_MPP_BASE + 0x1c);
> > +
> > +	/* Set GPP Out value */
> > +	writel(BOARD_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
> > +	writel(BOARD_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
> > +
> > +	/* Set GPP Polarity */
> > +	writel(BOARD_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c);
> > +	writel(BOARD_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c);
> > +
> > +	/* Set GPP Out Enable */
> > +	writel(BOARD_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
> > +	writel(BOARD_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
> > +
> > +	return 0;
> > +}
> > +
> > +int board_init(void)
> > +{
> > +	int i;
> > +
> > +	/* Address of boot parameters */
> > +	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
> > +
> > +	/* Toggle GPIO41 to reset onboard switch and phy */
> > +	clrbits_le32(MVEBU_GPIO1_BASE + 0x0, BIT(9));
> > +	clrbits_le32(MVEBU_GPIO1_BASE + 0x4, BIT(9));
> > +	mdelay(1);
> > +	setbits_le32(MVEBU_GPIO1_BASE + 0x0, BIT(9));
> > +	mdelay(10);
> > +
> > +	/* Init I2C IO expanders */
> > +	for (i = 0; i < ARRAY_SIZE(io_exp); i++)
> > +		i2c_write(io_exp[i].chip, io_exp[i].addr, 1, &io_exp[i].val, 1);
> > +
> > +	return 0;
> > +}
> > +
> > +int checkboard(void)
> > +{
> > +	puts("Board: SolidRun ClearFog\n");
> > +
> > +	return 0;
> > +}
> > +
> > +int board_eth_init(bd_t *bis)
> > +{
> > +	cpu_eth_init(bis); /* Built in controller(s) come first */
> > +	return pci_eth_init(bis);
> > +}
> > diff --git a/board/solidrun/clearfog/kwbimage.cfg
> > b/board/solidrun/clearfog/kwbimage.cfg new file mode 100644
> > index 0000000..c650c2c
> > --- /dev/null
> > +++ b/board/solidrun/clearfog/kwbimage.cfg
> > @@ -0,0 +1,12 @@
> > +#
> > +# Copyright (C) 2015 Stefan Roese <sr at denx.de>
> > +#
> > +
> > +# Armada XP uses version 1 image format
> > +VERSION		1
> > +
> > +# Boot Media configurations
> > +BOOT_FROM	sdio
> > +
> > +# Binary Header (bin_hdr) with DDR3 training code
> > +BINARY spl/u-boot-spl-dtb.bin 0000005b 00000068
> > diff --git a/configs/clearfog_defconfig b/configs/clearfog_defconfig
> > new file mode 100644
> > index 0000000..7e5cefe
> > --- /dev/null
> > +++ b/configs/clearfog_defconfig
> > @@ -0,0 +1,20 @@
> > +CONFIG_ARM=y
> > +CONFIG_ARCH_MVEBU=y
> > +CONFIG_SYS_MALLOC_F_LEN=0x2000
> > +CONFIG_TARGET_CLEARFOG=y
> > +CONFIG_DEFAULT_DEVICE_TREE="armada-388-clearfog"
> > +CONFIG_SPL=y
> > +# CONFIG_CMD_IMLS is not set
> > +# CONFIG_CMD_FLASH is not set
> > +CONFIG_CMD_USB=y
> > +# CONFIG_CMD_SETEXPR is not set
> > +CONFIG_SPI_FLASH=y
> > +CONFIG_DEBUG_UART=y
> > +CONFIG_DEBUG_UART_BASE=0xd0012000
> > +CONFIG_DEBUG_UART_CLOCK=250000000
> > +CONFIG_DEBUG_UART_SHIFT=2
> > +CONFIG_SYS_NS16550=y
> > +CONFIG_USB=y
> > +CONFIG_DM_USB=y
> > +CONFIG_USB_EHCI_HCD=y
> > +CONFIG_USB_STORAGE=y
> > diff --git a/include/configs/clearfog.h b/include/configs/clearfog.h
> > new file mode 100644
> > index 0000000..c74415d
> > --- /dev/null
> > +++ b/include/configs/clearfog.h
> > @@ -0,0 +1,183 @@
> > +/*
> > + * Copyright (C) 2015 Stefan Roese <sr at denx.de>
> > + *
> > + * SPDX-License-Identifier:	GPL-2.0+
> > + */
> > +
> > +#ifndef _CONFIG_CLEARFOG_H
> > +#define _CONFIG_CLEARFOG_H
> > +
> > +/*
> > + * High Level Configuration Options (easy to change)
> > + */
> > +#define CONFIG_ARMADA_XP		/* SOC Family Name */
> > +#define CONFIG_ARMADA_38X
> > +#define CONFIG_DB_88F6820_GP		/* Board target name for DDR training */
> > +
> > +#define CONFIG_DISPLAY_BOARDINFO_LATE
> > +
> > +/*
> > + * TEXT_BASE needs to be below 16MiB, since this area is scrubbed
> > + * for DDR ECC byte filling in the SPL before loading the main
> > + * U-Boot into it.
> > + */
> > +#define	CONFIG_SYS_TEXT_BASE	0x00800000
> > +#define CONFIG_SYS_TCLK		250000000	/* 250MHz */
> > +
> > +/*
> > + * Commands configuration
> > + */
> > +#define CONFIG_SYS_NO_FLASH		/* Declare no flash (NOR/SPI) */
> > +#define CONFIG_CMD_BOOTZ
> > +#define CONFIG_CMD_CACHE
> > +#define CONFIG_CMD_DHCP
> > +#define CONFIG_CMD_ENV
> > +#define CONFIG_CMD_EXT2
> > +#define CONFIG_CMD_EXT4
> > +#define CONFIG_CMD_FAT
> > +#define CONFIG_CMD_FS_GENERIC
> > +#define CONFIG_CMD_I2C
> > +#define CONFIG_CMD_MMC
> > +#define CONFIG_CMD_PCI
> > +#define CONFIG_CMD_PING
> > +#define CONFIG_CMD_SF
> > +#define CONFIG_CMD_SPI
> > +#define CONFIG_CMD_TFTPPUT
> > +#define CONFIG_CMD_TIME
> > +
> > +/* I2C */
> > +#define CONFIG_SYS_I2C
> > +#define CONFIG_SYS_I2C_MVTWSI
> > +#define CONFIG_I2C_MVTWSI_BASE0		MVEBU_TWSI_BASE
> > +#define CONFIG_SYS_I2C_SLAVE		0x0
> > +#define CONFIG_SYS_I2C_SPEED		100000
> > +
> > +/* SPI NOR flash default params, used by sf commands */
> > +#define CONFIG_SF_DEFAULT_SPEED		1000000
> > +#define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3
> > +#define CONFIG_SPI_FLASH_STMICRO
> > +
> > +/*
> > + * SDIO/MMC Card Configuration
> > + */
> > +#define CONFIG_MMC
> > +#define CONFIG_MMC_SDMA
> > +#define CONFIG_GENERIC_MMC
> > +#define CONFIG_SDHCI
> > +#define CONFIG_MV_SDHCI
> > +#define CONFIG_SYS_MMC_BASE		MVEBU_SDIO_BASE
> > +
> > +/* Partition support */
> > +#define CONFIG_DOS_PARTITION
> > +#define CONFIG_EFI_PARTITION
> > +
> > +/* Additional FS support/configuration */
> > +#define CONFIG_SUPPORT_VFAT
> > +
> > +/* USB/EHCI configuration */
> > +#define CONFIG_EHCI_IS_TDI
> > +
> > +#define CONFIG_ENV_MIN_ENTRIES		128
> > +
> > +/* Environment in MMC */
> > +#define CONFIG_ENV_IS_IN_MMC
> > +#define CONFIG_SYS_MMC_ENV_DEV		0
> > +#define CONFIG_ENV_SECT_SIZE		0x200
> > +#define CONFIG_ENV_SIZE			0x10000
> > +/*
> > + * For SD - reserve 1 LBA for MBR + 1M for u-boot image. The MMC/eMMC
> > + * boot image starts @ LBA-0.
> > + * As result in MMC/eMMC case it will be a 1 sector gap between u-boot
> > + * image and environment
> > + */
> > +#define CONFIG_ENV_OFFSET		0xf0000
> > +#define CONFIG_ENV_ADDR			CONFIG_ENV_OFFSET
> > +
> > +#define CONFIG_PHY_MARVELL		/* there is a marvell phy */
> > +#define PHY_ANEG_TIMEOUT	8000	/* PHY needs a longer aneg time */
> > +
> > +/* PCIe support */
> > +#ifndef CONFIG_SPL_BUILD
> > +#define CONFIG_PCI
> > +#define CONFIG_PCI_MVEBU
> > +#define CONFIG_PCI_PNP
> > +#define CONFIG_PCI_SCAN_SHOW
> > +#endif
> > +
> > +#define CONFIG_SYS_CONSOLE_INFO_QUIET	/* don't print console @ startup */
> > +#define CONFIG_SYS_ALT_MEMTEST
> > +
> > +/* Keep device tree and initrd in lower memory so the kernel can access
> > them */ +#define CONFIG_EXTRA_ENV_SETTINGS	\
> > +	"fdt_high=0x10000000\0"		\
> > +	"initrd_high=0x10000000\0"
> > +
> > +/* SPL */
> > +/*
> > + * Select the boot device here
> > + *
> > + * Currently supported are:
> > + * SPL_BOOT_SPI_NOR_FLASH	- Booting via SPI NOR flash
> > + * SPL_BOOT_SDIO_MMC_CARD	- Booting via SDIO/MMC card (partition 1)
> > + */
> > +#define SPL_BOOT_SPI_NOR_FLASH		1
> > +#define SPL_BOOT_SDIO_MMC_CARD		2
> > +#define CONFIG_SPL_BOOT_DEVICE		SPL_BOOT_SDIO_MMC_CARD
> > +
> > +/* Defines for SPL */
> > +#define CONFIG_SPL_FRAMEWORK
> > +#define CONFIG_SPL_SIZE			(140 << 10)
> > +#define CONFIG_SPL_TEXT_BASE		0x40000030
> > +#define CONFIG_SPL_MAX_SIZE		(CONFIG_SPL_SIZE - 0x0030)
> > +
> > +#define CONFIG_SPL_BSS_START_ADDR	(0x40000000 + CONFIG_SPL_SIZE)
> > +#define CONFIG_SPL_BSS_MAX_SIZE		(16 << 10)
> > +
> > +#ifdef CONFIG_SPL_BUILD
> > +#define CONFIG_SYS_MALLOC_SIMPLE
> > +#endif
> > +
> > +#define CONFIG_SPL_STACK		(0x40000000 + ((192 - 16) << 10))
> > +#define CONFIG_SPL_BOOTROM_SAVE		(CONFIG_SPL_STACK + 4)
> > +
> > +#define CONFIG_SPL_LIBCOMMON_SUPPORT
> > +#define CONFIG_SPL_LIBGENERIC_SUPPORT
> > +#define CONFIG_SPL_SERIAL_SUPPORT
> > +#define CONFIG_SPL_I2C_SUPPORT
> > +
> > +#if CONFIG_SPL_BOOT_DEVICE == SPL_BOOT_SPI_NOR_FLASH
> > +/* SPL related SPI defines */
> > +#define CONFIG_SPL_SPI_SUPPORT
> > +#define CONFIG_SPL_SPI_FLASH_SUPPORT
> > +#define CONFIG_SPL_SPI_LOAD
> > +#define CONFIG_SPL_SPI_BUS		0
> > +#define CONFIG_SPL_SPI_CS		0
> > +#define CONFIG_SYS_SPI_U_BOOT_OFFS	0x20000
> > +#define CONFIG_SYS_U_BOOT_OFFS		CONFIG_SYS_SPI_U_BOOT_OFFS
> > +#endif
> > +
> > +#if CONFIG_SPL_BOOT_DEVICE == SPL_BOOT_SDIO_MMC_CARD
> > +/* SPL related MMC defines */
> > +#define CONFIG_SPL_MMC_SUPPORT
> > +#define CONFIG_SPL_LIBDISK_SUPPORT
> > +#define CONFIG_SYS_MMC_U_BOOT_OFFS		(160 << 10)
> > +#define CONFIG_SYS_U_BOOT_OFFS			CONFIG_SYS_MMC_U_BOOT_OFFS
> > +#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	((CONFIG_SYS_U_BOOT_OFFS /
> > 512)\ +						 + 1)
> > +#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS	((512 << 10) / 512) /* 512KiB 
> */
> > +#ifdef CONFIG_SPL_BUILD
> > +#define CONFIG_FIXED_SDHCI_ALIGNED_BUFFER	0x00180000	/* in SDRAM */
> > +#endif
> > +#endif
> > +
> > +/* Enable DDR support in SPL (DDR3 training from Marvell bin_hdr) */
> > +#define CONFIG_SYS_MVEBU_DDR_A38X
> > +#define CONFIG_DDR3
> > +
> > +/*
> > + * mv-common.h should be defined after CMD configs since it used them
> > + * to enable certain macros
> > + */
> > +#include "mv-common.h"
> > +
> > +#endif /* _CONFIG_CLEARFOG_H */
> 


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