[U-Boot] [PATCH v4] imx: Add support for i.MX28 based XEA board

Stefano Babic sbabic at denx.de
Sat Oct 5 17:09:43 UTC 2019


Hi Lukasz,

board cannot be built fine. Please check on u-boot-imx, -next branch.

Regards,
Stefano

On 10/09/19 13:01, Lukasz Majewski wrote:
> From: Mans Rullgard <mans at mansr.com>
> 
> This patch introduces support for i.MX28 based XEA board.
> 
> This board supports DM/DTS in U-Boot proper as well as DM aware drivers
> in SPL (u-boot.sb).
> More detailed information regarding usage of it can be found in
> ./board/liebherr/xea/README file.
> 
> U-Boot SPL 2019.10-rc1-00233-g6aa549f05c (Aug 12 2019 - 09:23:36 +0200)
> Trying to boot from MMC1
> MMC0: Command 8 timeout (status 0xf0344020)
> mmc_load_image_raw_sector: mmc block read error
> 
> U-Boot 2019.10-rc1-00233-g6aa549f05c (Aug 12 2019 - 09:23:36 +0200)
> 
> CPU:   Freescale i.MX28 rev1.2 at 454 MHz
> BOOT:  SSP SPI #3, master, 3V3 NOR
> Model: Liebherr (LWE) XEA i.MX28 Board
> DRAM:  128 MiB
> MMC:   MXS MMC: 0
> Loading Environment from SPI Flash... SF: Detected n25q128a13 with page size 256 Bytes, erase size 64 KiB, total 16 MiB
> OK
> In:    serial
> Out:   serial
> Err:   serial
> Net:
> Warning: ethernet at 800f0000 (eth0) using random MAC address - ce:e1:9e:46:f3:a2
> eth0: ethernet at 800f0000
> Hit any key to stop autoboot:  0
> 
> Signed-off-by: Mans Rullgard <mans at mansr.com>
> Signed-off-by: Lukasz Majewski <lukma at denx.de>
> 
> ---
> 
> Changes in v4:
> - Remove non needed imx28_xea_defconfig defines after introducing
>   SPL_DM_SPI
> - Update dependencies list after introducing SPL_DM_SPI
> - Fix problem with 'mtd' command
> 
> Changes in v3:
> - Use Kconfig defined option (CONFIG_FS_EXT4) instead of the one defined
>   in xea.h
> - Use Kconfig defined option (CONFIG_SYS_SPI_U_BOOT_OFFS) instead of the one
>   defined in xea.h
> - Provide correct SDPX header for xea.h
> 
> Changes in v2:
> - Adjust config to match dependent patches
> - Increase malloc size to allow booting the board with GPIO DM/DTS support
> - Add support for GPIO driver in SPL (with DM + OF_PLATDATA)
> - Adjust spl_xea.c to support bootmode pins
> - Add patches to set in Kconfig default boot HW partition for eMMC
> 
> 
> Dependencies:
> - Patch to introduce SPL_DM_SPI Kconfig option:
>   https://patchwork.ozlabs.org/patch/1159655/
> 
> - Fixes/conversion for i.MX28 spi, emmc and gpio (the whole series 1-7):
>   https://patchwork.ozlabs.org/cover/1158255/
> 
> Applied on top of -master branch:
> SHA1: c705fc3b40b88bfbf465448643c91da71426df2f
> 
> ---
>  arch/arm/dts/Makefile              |   3 +
>  arch/arm/dts/imx28-xea-u-boot.dtsi |  46 ++++++
>  arch/arm/dts/imx28-xea.dts         | 110 ++++++++++++++
>  arch/arm/mach-imx/mxs/Kconfig      |   4 +
>  board/liebherr/xea/Kconfig         |  24 +++
>  board/liebherr/xea/MAINTAINERS     |   6 +
>  board/liebherr/xea/Makefile        |  12 ++
>  board/liebherr/xea/README          |  63 ++++++++
>  board/liebherr/xea/spl_xea.c       | 303 +++++++++++++++++++++++++++++++++++++
>  board/liebherr/xea/xea.c           | 152 +++++++++++++++++++
>  configs/imx28_xea_defconfig        | 108 +++++++++++++
>  include/configs/xea.h              | 196 ++++++++++++++++++++++++
>  12 files changed, 1027 insertions(+)
>  create mode 100644 arch/arm/dts/imx28-xea-u-boot.dtsi
>  create mode 100644 arch/arm/dts/imx28-xea.dts
>  create mode 100644 board/liebherr/xea/Kconfig
>  create mode 100644 board/liebherr/xea/MAINTAINERS
>  create mode 100644 board/liebherr/xea/Makefile
>  create mode 100644 board/liebherr/xea/README
>  create mode 100644 board/liebherr/xea/spl_xea.c
>  create mode 100644 board/liebherr/xea/xea.c
>  create mode 100644 configs/imx28_xea_defconfig
>  create mode 100644 include/configs/xea.h
> 
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index aac1b83d49..82a0379c13 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -547,6 +547,9 @@ dtb-$(CONFIG_VF610) += vf500-colibri.dtb \
>  	vf610-pcm052.dtb \
>  	vf610-bk4r1.dtb
>  
> +dtb-$(CONFIG_MX28) += \
> +	imx28-xea.dtb
> +
>  dtb-$(CONFIG_MX53) += imx53-cx9020.dtb \
>  	imx53-kp.dtb \
>  	imx53-m53menlo.dtb
> diff --git a/arch/arm/dts/imx28-xea-u-boot.dtsi b/arch/arm/dts/imx28-xea-u-boot.dtsi
> new file mode 100644
> index 0000000000..cc2ced5d2d
> --- /dev/null
> +++ b/arch/arm/dts/imx28-xea-u-boot.dtsi
> @@ -0,0 +1,46 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright 2019
> + * Lukasz Majewski, DENX Software Engineering, lukma at denx.de
> + *
> + * SPDX-License-Identifier:     GPL-2.0+ or X11
> + */
> +
> +/*
> + * The minimal augmentation DTS U-Boot file to allow eMMC driver
> + * configuration in SPL for falcon boot.
> + */
> +#include "imx28-u-boot.dtsi"
> +/ {
> +	apb at 80000000 {
> +		u-boot,dm-spl;
> +
> +		apbh at 80000000 {
> +			u-boot,dm-spl;
> +		};
> +
> +		apbx at 80040000 {
> +			u-boot,dm-spl;
> +		};
> +	};
> +};
> +
> +&clks {
> +	u-boot,dm-spl;
> +};
> +
> +&gpio0 {
> +	u-boot,dm-spl;
> +};
> +
> +&pinctrl {
> +	u-boot,dm-spl;
> +};
> +
> +&ssp0 {
> +	u-boot,dm-spl;
> +};
> +
> +&ssp3 {
> +	u-boot,dm-spl;
> +};
> diff --git a/arch/arm/dts/imx28-xea.dts b/arch/arm/dts/imx28-xea.dts
> new file mode 100644
> index 0000000000..5de6774c5a
> --- /dev/null
> +++ b/arch/arm/dts/imx28-xea.dts
> @@ -0,0 +1,110 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright 2019
> + * Lukasz Majewski, DENX Software Engineering, lukma at denx.de
> + *
> + * SPDX-License-Identifier:     GPL-2.0+ or X11
> + *
> + */
> +
> +/dts-v1/;
> +
> +#include "imx28.dtsi"
> +
> +/ {
> +	model = "Liebherr (LWE) XEA i.MX28 Board";
> +	compatible = "lwe,xea", "fsl,imx28";
> +
> +	aliases {
> +		spi3 = &ssp3;
> +	};
> +
> +	memory at 40000000 {
> +		device_type = "memory";
> +		reg = <0x40000000 0x10000000>;
> +	};
> +
> +	reg_3p3v: regulator-3p3v {
> +		compatible = "regulator-fixed";
> +		regulator-name = "3P3V";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		regulator-always-on;
> +	};
> +
> +	reg_fec_3v3: regulator-fec-3v3 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "fec-3v3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		gpio = <&gpio0 0 GPIO_ACTIVE_HIGH>;
> +	};
> +};
> +
> +&mac0 {
> +	phy-mode = "rmii";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&mac0_pins_a>;
> +	phy-supply = <&reg_fec_3v3>;
> +	phy-reset-gpios = <&gpio2 13 GPIO_ACTIVE_LOW>;
> +	phy-reset-duration = <1>;
> +	phy-reset-post-delay = <1>;
> +	status = "okay";
> +
> +	fixed-link {
> +	      speed = <100>;
> +	      full-duplex;
> +	};
> +};
> +
> +&ssp0 {
> +	compatible = "fsl,imx28-mmc";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&mmc0_8bit_pins_a>;
> +	bus-width = <8>;
> +	vmmc-supply = <&reg_3p3v>;
> +	non-removable;
> +	status = "okay";
> +};
> +
> +&ssp3 {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	compatible = "fsl,imx28-spi";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&spi3_pins_b>;
> +	status = "okay";
> +	spi-max-frequency = <40000000>;
> +	num-cs = <2>;
> +
> +	flash0: s25fl256s at 0 {
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		compatible = "jedec,spi-nor";
> +		spi-max-frequency = <40000000>;
> +		reg = <0>;
> +
> +		partition at 0 {
> +			label = "SPL (spi)";
> +			reg = <0x0 0x10000>;
> +			read-only;
> +		};
> +		partition at 1 {
> +			label = "u-boot (spi)";
> +			reg = <0x10000 0x70000>;
> +			read-only;
> +		};
> +		partition at 2 {
> +			label = "uboot-env (spi)";
> +			reg = <0x80000 0x20000>;
> +		};
> +		partition at 3 {
> +			label = "kernel (spi)";
> +			reg = <0x100000 0x400000>;
> +		};
> +		partition at 4 {
> +			label = "swupdate (spi)";
> +			reg = <0x50000 0x800000>;
> +		};
> +	};
> +};
> diff --git a/arch/arm/mach-imx/mxs/Kconfig b/arch/arm/mach-imx/mxs/Kconfig
> index 68072d5a1f..b90d7b6e41 100644
> --- a/arch/arm/mach-imx/mxs/Kconfig
> +++ b/arch/arm/mach-imx/mxs/Kconfig
> @@ -60,6 +60,9 @@ config TARGET_SC_SPS_1
>  config TARGET_TS4600
>  	bool "Support TS4600"
>  
> +config TARGET_XEA
> +	bool "Support XEA"
> +
>  endchoice
>  
>  config SYS_SOC
> @@ -67,6 +70,7 @@ config SYS_SOC
>  
>  source "board/bluegiga/apx4devkit/Kconfig"
>  source "board/freescale/mx28evk/Kconfig"
> +source "board/liebherr/xea/Kconfig"
>  source "board/ppcag/bg0900/Kconfig"
>  source "board/schulercontrol/sc_sps_1/Kconfig"
>  source "board/technologic/ts4600/Kconfig"
> diff --git a/board/liebherr/xea/Kconfig b/board/liebherr/xea/Kconfig
> new file mode 100644
> index 0000000000..5428de4646
> --- /dev/null
> +++ b/board/liebherr/xea/Kconfig
> @@ -0,0 +1,24 @@
> +if TARGET_XEA
> +
> +config SYS_BOARD
> +	default "xea"
> +
> +config SYS_VENDOR
> +	default "liebherr"
> +
> +config SYS_SOC
> +	default "mxs"
> +
> +config SYS_CONFIG_NAME
> +	default "xea"
> +
> +config ENV_SIZE
> +	default 0x2000
> +
> +config ENV_SECT_SIZE
> +	default 0x10000 if ENV_IS_IN_SPI_FLASH
> +
> +config ENV_OFFSET
> +	default 0x80000 if ENV_IS_IN_SPI_FLASH
> +
> +endif
> diff --git a/board/liebherr/xea/MAINTAINERS b/board/liebherr/xea/MAINTAINERS
> new file mode 100644
> index 0000000000..623184d0f8
> --- /dev/null
> +++ b/board/liebherr/xea/MAINTAINERS
> @@ -0,0 +1,6 @@
> +XEA BOARD
> +M:	Lukasz Majewski <lukma at denx.de>
> +S:	Maintained
> +F:	board/liebherr/xea/
> +F:	include/configs/xea.h
> +F:	configs/imx28_xea_defconfig
> diff --git a/board/liebherr/xea/Makefile b/board/liebherr/xea/Makefile
> new file mode 100644
> index 0000000000..abf500857f
> --- /dev/null
> +++ b/board/liebherr/xea/Makefile
> @@ -0,0 +1,12 @@
> +#
> +# (C) Copyright 2019
> +# Lukasz Majewski, DENX Software Engineering, lukma at denx.de.
> +#
> +# SPDX-License-Identifier:	GPL-2.0+
> +#
> +
> +obj-y	:= xea.o
> +
> +ifdef	CONFIG_SPL_BUILD
> +obj-y	+= spl_xea.o
> +endif
> diff --git a/board/liebherr/xea/README b/board/liebherr/xea/README
> new file mode 100644
> index 0000000000..3e55d3ea43
> --- /dev/null
> +++ b/board/liebherr/xea/README
> @@ -0,0 +1,63 @@
> +Building SPL/U-Boot for xea board
> +=================================
> +
> +Setup environment, configure and build, e.g. by:
> +
> + $ make imx28_xea_defconfig
> + $ make -j4 u-boot.sb u-boot.img
> +
> +Now you should see u-boot.sb and u-boot.img files in the build directory.
> +
> +
> +Booting
> +=======
> +
> +The boot ROM loads SPL from SPI NOR flash into SRAM.  SPL configures
> +DRAM and loads either a Linux kernel (falcon mode) or, if the rescue
> +pin is asserted, the main U-Boot.  Both kernel and U-Boot reside in
> +eMMC boot partition 0.  For redundancy, a copy of U-Boot is also
> +stored in SPI flash.  If a valid kernel image is not found, U-Boot is
> +loaded from eMMC or, if this fails, SPI flash.
> +
> +Boot area layout
> +----------------
> +
> +SPI NOR
> +Offset          Function        File
> +------------------------------------------
> +0x00000000      SPL             u-boot.sb
> +0x00010000      U-Boot          u-boot.img
> +0x00080000      Environment
> +
> +eMMC
> +Offset          Function        File
> +------------------------------------------
> +0x00000000      U-Boot          u-boot.img
> +0x00080000      Devicetree      imx28-bttc.dtb
> +0x00100000      Kernel          uImage
> +
> +
> +Falcon mode
> +===========
> +
> +In falcon mode, the default, SPL loads the kernel and devicetree
> +directly.  For this to work, the stored devicetree must include
> +correct "memory" and "chosen" nodes as these are not updated by SPL
> +before booting the kernel.
> +
> +
> +Updating from U-Boot
> +====================
> +
> +The default U-Boot environment includes command sequences to update
> +SPL, U-Boot, and kernel over TFTP.  These are as follows:
> +
> +- update_spl: writes u-boot.sb to SPI NOR
> +- update_uboot: writes u-boot.img to eMMC and SPI NOR
> +- update_kernel: writes kernel and devicetree to eMMC
> +
> +They can be invoked at the U-Boot prompt using the "run" command,
> +e.g. "run update_spl" to update the SPL.
> +
> +These update commands download the above-named files from the
> +${hostname} directory on the server provided by DHCP.
> diff --git a/board/liebherr/xea/spl_xea.c b/board/liebherr/xea/spl_xea.c
> new file mode 100644
> index 0000000000..d88b75bb3a
> --- /dev/null
> +++ b/board/liebherr/xea/spl_xea.c
> @@ -0,0 +1,303 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * DENX M28 Boot setup
> + *
> + * Copyright (C) 2019 DENX Software Engineering
> + * Lukasz Majewski, DENX Software Engineering, lukma at denx.de
> + *
> + * Copyright (C) 2018 DENX Software Engineering
> + * Måns Rullgård, DENX Software Engineering, mans at mansr.com
> + *
> + * Copyright (C) 2011 Marek Vasut <marek.vasut at gmail.com>
> + * on behalf of DENX Software Engineering GmbH
> + */
> +
> +#include <common.h>
> +#include <config.h>
> +#include <asm/io.h>
> +#include <asm/arch/iomux-mx28.h>
> +#include <asm/arch/imx-regs.h>
> +#include <asm/arch/sys_proto.h>
> +
> +#define	MUX_CONFIG_LCD	(MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_NOPULL)
> +#define	MUX_CONFIG_BOOT	(MXS_PAD_3V3 | MXS_PAD_PULLUP)
> +#define	MUX_CONFIG_TSC	(MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_PULLUP)
> +#define	MUX_CONFIG_SSP0	(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_PULLUP)
> +#define	MUX_CONFIG_SSP2	(MXS_PAD_3V3 | MXS_PAD_4MA | MXS_PAD_PULLUP)
> +#define	MUX_CONFIG_ENET	(MXS_PAD_3V3 | MXS_PAD_8MA | MXS_PAD_NOPULL)
> +#define	MUX_CONFIG_EMI	(MXS_PAD_3V3 | MXS_PAD_12MA | MXS_PAD_NOPULL)
> +
> +const iomux_cfg_t iomux_setup[] = {
> +	/* AUART0 IRDA */
> +	MX28_PAD_AUART0_RX__AUART0_RX,
> +	MX28_PAD_AUART0_TX__AUART0_TX,
> +
> +	/* AUART 4 RS422 */
> +	MX28_PAD_AUART0_CTS__AUART4_RX,
> +	MX28_PAD_AUART0_RTS__AUART4_TX,
> +
> +	/* USB0 */
> +	MX28_PAD_AUART1_CTS__USB0_OVERCURRENT,
> +	MX28_PAD_AUART1_RTS__USB0_ID,
> +	MX28_PAD_LCD_VSYNC__GPIO_1_28, /* PRW_On */
> +
> +	/* USB1 */
> +	MX28_PAD_PWM2__USB1_OVERCURRENT,
> +
> +	/* eMMC */
> +	MX28_PAD_SSP0_CMD__SSP0_CMD | MUX_CONFIG_SSP0,
> +	MX28_PAD_SSP0_DATA0__SSP0_D0 | MUX_CONFIG_SSP0,
> +	MX28_PAD_SSP0_DATA1__SSP0_D1 | MUX_CONFIG_SSP0,
> +	MX28_PAD_SSP0_DATA2__SSP0_D2 | MUX_CONFIG_SSP0,
> +	MX28_PAD_SSP0_DATA3__SSP0_D3 | MUX_CONFIG_SSP0,
> +	MX28_PAD_SSP0_DATA4__SSP0_D4 | MUX_CONFIG_SSP0,
> +	MX28_PAD_SSP0_DATA5__SSP0_D5 | MUX_CONFIG_SSP0,
> +	MX28_PAD_SSP0_DATA6__SSP0_D6 | MUX_CONFIG_SSP0,
> +	MX28_PAD_SSP0_DATA7__SSP0_D7 | MUX_CONFIG_SSP0,
> +	MX28_PAD_SSP0_DETECT__GPIO_2_9, /* Reset for eMMC */
> +	MX28_PAD_SSP0_SCK__SSP0_SCK | MUX_CONFIG_SSP0,
> +
> +	/* DIG Keys */
> +	MX28_PAD_GPMI_D00__GPIO_0_0,
> +	MX28_PAD_GPMI_D01__GPIO_0_1,
> +	MX28_PAD_GPMI_D02__GPIO_0_2,
> +	MX28_PAD_GPMI_D03__GPIO_0_3,
> +	MX28_PAD_GPMI_D04__GPIO_0_4,
> +	MX28_PAD_GPMI_D05__GPIO_0_5,
> +	MX28_PAD_GPMI_D06__GPIO_0_6,
> +	MX28_PAD_GPMI_D07__GPIO_0_7,
> +
> +	/* ADR_0-2 */
> +	MX28_PAD_GPMI_CE1N__GPIO_0_17,
> +	MX28_PAD_GPMI_CE2N__GPIO_0_18,
> +	MX28_PAD_GPMI_CE3N__GPIO_0_19,
> +
> +	/* Read Keys */
> +	MX28_PAD_GPMI_RDY0__GPIO_0_20,
> +
> +	/* LATCH_EN */
> +	MX28_PAD_GPMI_RDY1__GPIO_0_21,
> +
> +	/* Power off */
> +	MX28_PAD_GPMI_RDN__GPIO_0_24,
> +
> +	/* I2C1 Touch */
> +	MX28_PAD_AUART2_CTS__GPIO_3_10,
> +	MX28_PAD_AUART2_RTS__GPIO_3_11,
> +	MX28_PAD_GPMI_RDY2__GPIO_0_22, /* Touch Reset */
> +
> +	/* TIVA */
> +	MX28_PAD_AUART1_RX__SSP2_CARD_DETECT,
> +	MX28_PAD_SSP2_MISO__SSP2_D0,
> +	MX28_PAD_SSP2_MOSI__SSP2_CMD,
> +	MX28_PAD_SSP2_SCK__SSP2_SCK,
> +	MX28_PAD_SSP2_SS0__SSP2_D3,
> +	MX28_PAD_SSP2_SS1__GPIO_2_20,
> +	MX28_PAD_SSP2_SS2__GPIO_2_21,
> +
> +	/* SPI3 NOR-Flash */
> +	MX28_PAD_AUART1_TX__SSP3_CARD_DETECT,
> +	MX28_PAD_AUART2_RX__SSP3_D1,
> +	MX28_PAD_AUART2_TX__SSP3_D2,
> +	MX28_PAD_SSP3_MISO__SSP3_D0,
> +	MX28_PAD_SSP3_MOSI__SSP3_CMD,
> +	MX28_PAD_SSP3_SCK__SSP3_SCK,
> +	MX28_PAD_SSP3_SS0__SSP3_D3,
> +
> +	/* NOR-Flash CMD */
> +	MX28_PAD_LCD_RS__GPIO_1_26, /* Hold */
> +	MX28_PAD_LCD_WR_RWN__GPIO_1_25, /* write protect */
> +
> +	/* I2C0 Codec */
> +	MX28_PAD_I2C0_SCL__I2C0_SCL,
> +	MX28_PAD_I2C0_SDA__I2C0_SDA,
> +
> +	/* I2S Codec */
> +	MX28_PAD_SAIF0_BITCLK__SAIF0_BITCLK,
> +	MX28_PAD_SAIF0_LRCLK__SAIF0_LRCLK,
> +	MX28_PAD_SAIF0_MCLK__SAIF0_MCLK,
> +	MX28_PAD_SAIF0_SDATA0__SAIF0_SDATA0,
> +	MX28_PAD_SAIF1_SDATA0__SAIF1_SDATA0,
> +
> +	/* PWR-Hold */
> +	MX28_PAD_SPDIF__GPIO_3_27,
> +
> +	/* EMI */
> +	MX28_PAD_EMI_D00__EMI_DATA0 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_D01__EMI_DATA1 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_D02__EMI_DATA2 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_D03__EMI_DATA3 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_D04__EMI_DATA4 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_D05__EMI_DATA5 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_D06__EMI_DATA6 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_D07__EMI_DATA7 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_D08__EMI_DATA8 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_D09__EMI_DATA9 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_D10__EMI_DATA10 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_D11__EMI_DATA11 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_D12__EMI_DATA12 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_D13__EMI_DATA13 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_D14__EMI_DATA14 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_D15__EMI_DATA15 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_ODT0__EMI_ODT0 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_DQM0__EMI_DQM0 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_ODT1__EMI_ODT1 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_DQM1__EMI_DQM1 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_DDR_OPEN_FB__EMI_DDR_OPEN_FEEDBACK | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_CLK__EMI_CLK | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_DQS0__EMI_DQS0 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_DQS1__EMI_DQS1 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_DDR_OPEN__EMI_DDR_OPEN | MUX_CONFIG_EMI,
> +
> +	MX28_PAD_EMI_A00__EMI_ADDR0 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_A01__EMI_ADDR1 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_A02__EMI_ADDR2 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_A03__EMI_ADDR3 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_A04__EMI_ADDR4 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_A05__EMI_ADDR5 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_A06__EMI_ADDR6 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_A07__EMI_ADDR7 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_A08__EMI_ADDR8 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_A09__EMI_ADDR9 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_A10__EMI_ADDR10 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_A11__EMI_ADDR11 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_A12__EMI_ADDR12 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_A13__EMI_ADDR13 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_A14__EMI_ADDR14 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_BA0__EMI_BA0 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_BA1__EMI_BA1 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_BA2__EMI_BA2 | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_CASN__EMI_CASN | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_RASN__EMI_RASN | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_WEN__EMI_WEN | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_CE0N__EMI_CE0N | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_CE1N__EMI_CE1N | MUX_CONFIG_EMI,
> +	MX28_PAD_EMI_CKE__EMI_CKE | MUX_CONFIG_EMI,
> +
> +	/* Uart3 Bluetooth-Interface */
> +	MX28_PAD_AUART3_CTS__AUART3_CTS,
> +	MX28_PAD_AUART3_RTS__AUART3_RTS,
> +	MX28_PAD_AUART3_RX__AUART3_RX,
> +	MX28_PAD_AUART3_TX__AUART3_TX,
> +
> +	/* framebuffer */
> +	MX28_PAD_LCD_CS__LCD_CS | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D00__LCD_D0 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D01__LCD_D1 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D02__LCD_D2 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D03__LCD_D3 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D04__LCD_D4 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D05__LCD_D5 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D06__LCD_D6 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D07__LCD_D7 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D08__LCD_D8 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D09__LCD_D9 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D10__LCD_D10 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D11__LCD_D11 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D12__LCD_D12 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D13__LCD_D13 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D14__LCD_D14 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D15__LCD_D15 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D16__LCD_D16 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D17__LCD_D17 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D18__LCD_D18 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D19__LCD_D19 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D20__LCD_D20 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D21__LCD_D21 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D22__LCD_D22 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_D23__LCD_D23 | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_DOTCLK__LCD_DOTCLK | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_ENABLE__LCD_ENABLE | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_HSYNC__LCD_HSYNC | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_RD_E__LCD_VSYNC | MUX_CONFIG_LCD,
> +	MX28_PAD_LCD_RESET__LCD_RESET | MUX_CONFIG_LCD,
> +
> +	/* DUART RS232 */
> +	MX28_PAD_PWM0__DUART_RX,
> +	MX28_PAD_PWM1__DUART_TX,
> +
> +	/* FEC Ethernet */
> +	MX28_PAD_ENET_CLK__CLKCTRL_ENET | MUX_CONFIG_ENET,
> +	MX28_PAD_ENET0_COL__ENET1_TX_EN | MUX_CONFIG_ENET,
> +	MX28_PAD_ENET0_CRS__ENET1_RX_EN | MUX_CONFIG_ENET,
> +	MX28_PAD_ENET0_MDC__ENET0_MDC | MUX_CONFIG_ENET,
> +	MX28_PAD_ENET0_MDIO__ENET0_MDIO | MUX_CONFIG_ENET,
> +	MX28_PAD_ENET0_RX_CLK__GPIO_4_13, /* Phy Interrupt */
> +	MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MUX_CONFIG_ENET,
> +	MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MUX_CONFIG_ENET,
> +	MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MUX_CONFIG_ENET,
> +	MX28_PAD_ENET0_RXD3__ENET1_RXD1 | MUX_CONFIG_ENET,
> +	MX28_PAD_ENET0_TX_CLK__GPIO_4_5, /* n.c. */
> +	MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MUX_CONFIG_ENET,
> +	MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MUX_CONFIG_ENET,
> +	MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MUX_CONFIG_ENET,
> +	MX28_PAD_ENET0_TXD3__ENET1_TXD1 | MUX_CONFIG_ENET,
> +	MX28_PAD_SSP1_CMD__GPIO_2_13, /* PHY reset */
> +
> +	/* TIVA boot control */
> +	MX28_PAD_GPMI_RDY3__GPIO_0_23 | MUX_CONFIG_BOOT, /* TIVA0 */
> +	MX28_PAD_GPMI_WRN__GPIO_0_25 | MUX_CONFIG_BOOT, /* TIVA1 */
> +};
> +
> +u32 mxs_dram_vals[] = {
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000100, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00010101, 0x01010101,
> +	0x000f0f01, 0x0f02010a, 0x00000000, 0x00010101,
> +	0x00000100, 0x00000100, 0x00000000, 0x00000002,
> +	0x01010000, 0x07080403, 0x07005303, 0x0b0000c8,
> +	0x0200a0c1, 0x0002040c, 0x0038430a, 0x04290322,
> +	0x02040203, 0x00c8002b, 0x00000000, 0x00000000,
> +	0x00012100, 0xffff0303, 0x00012100, 0xffff0303,
> +	0x00012100, 0xffff0303, 0x00012100, 0xffff0303,
> +	0x00000003, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000612, 0x01000102,
> +	0x06120612, 0x00000200, 0x00020007, 0xf4004a27,
> +	0xf4004a27, 0xf4004a27, 0xf4004a27, 0x07400300,
> +	0x07400300, 0x07400300, 0x07400300, 0x00000005,
> +	0x00000000, 0x00000000, 0x01000000, 0x00000000,
> +	0x00000001, 0x000f1133, 0x00000000, 0x00001f04,
> +	0x00001f04, 0x00001f04, 0x00001f04, 0x00001f04,
> +	0x00001f04, 0x00001f04, 0x00001f04, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00010000, 0x00030404,
> +	0x00000002, 0x00000000, 0x00000000, 0x00000000,
> +	0x00000000, 0x00000000, 0x00000000, 0x01010000,
> +	0x01000000, 0x03030000, 0x00010303, 0x01020202,
> +	0x00000000, 0x02040101, 0x21002103, 0x00061200,
> +	0x06120612, 0x00000642, 0x00000000, 0x00000004,
> +	0x00000000, 0x00000080, 0x00000000, 0x00000000,
> +	0x00000000, 0xffffffff
> +};
> +
> +void lowlevel_init(void)
> +{
> +	struct mxs_pinctrl_regs *pinctrl_regs =
> +		(struct mxs_pinctrl_regs *)MXS_PINCTRL_BASE;
> +
> +	/* Set EMI drive strength */
> +	writel(0x00003fff, &pinctrl_regs->hw_pinctrl_emi_ds_ctrl_clr);
> +	writel(0x00002aaa, &pinctrl_regs->hw_pinctrl_emi_ds_ctrl_set);
> +
> +	mxs_common_spl_init(0, NULL, iomux_setup, ARRAY_SIZE(iomux_setup));
> +}
> diff --git a/board/liebherr/xea/xea.c b/board/liebherr/xea/xea.c
> new file mode 100644
> index 0000000000..7291313e95
> --- /dev/null
> +++ b/board/liebherr/xea/xea.c
> @@ -0,0 +1,152 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * XEA iMX28 board
> + *
> + * Copyright (C) 2019 DENX Software Engineering
> + * Lukasz Majewski, DENX Software Engineering, lukma at denx.de
> + *
> + * Copyright (C) 2018 DENX Software Engineering
> + * Måns Rullgård, DENX Software Engineering, mans at mansr.com
> + *
> + * Copyright (C) 2011 Marek Vasut <marek.vasut at gmail.com>
> + * on behalf of DENX Software Engineering GmbH
> + *
> + */
> +
> +#include <common.h>
> +#include <asm/gpio.h>
> +#include <asm/io.h>
> +#include <asm/arch/imx-regs.h>
> +#include <asm/arch/iomux-mx28.h>
> +#include <asm/arch/clock.h>
> +#include <asm/arch/sys_proto.h>
> +#include <linux/mii.h>
> +#include <miiphy.h>
> +#include <netdev.h>
> +#include <errno.h>
> +#include <usb.h>
> +
> +#ifdef CONFIG_SPL_BUILD
> +#include <spl.h>
> +#endif
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +/*
> + * Functions
> + */
> +
> +static void init_clocks(void)
> +{
> +	/* IO0 clock at 480MHz */
> +	mxs_set_ioclk(MXC_IOCLK0, 480000);
> +	/* IO1 clock at 480MHz */
> +	mxs_set_ioclk(MXC_IOCLK1, 480000);
> +
> +	/* SSP0 clock at 96MHz */
> +	mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
> +	/* SSP2 clock at 160MHz */
> +	mxs_set_sspclk(MXC_SSPCLK2, 160000, 0);
> +	/* SSP3 clock at 96MHz */
> +	mxs_set_sspclk(MXC_SSPCLK3, 96000, 0);
> +}
> +
> +#ifdef CONFIG_SPL_BUILD
> +void board_init_f(ulong arg)
> +{
> +	init_clocks();
> +	preloader_console_init();
> +}
> +
> +static int boot_tiva0, boot_tiva1;
> +
> +/* Check if TIVAs request booting via U-Boot proper */
> +void spl_board_init(void)
> +{
> +	struct gpio_desc btiva0, btiva1;
> +	int ret;
> +
> +	ret = dm_gpio_lookup_name("GPIO0_23", &btiva0);
> +	if (ret)
> +		printf("Cannot get GPIO0_23\n");
> +
> +	ret = dm_gpio_lookup_name("GPIO0_25", &btiva1);
> +	if (ret)
> +		printf("Cannot get GPIO0_25\n");
> +
> +	ret = dm_gpio_request(&btiva0, "boot-tiva0");
> +	if (ret)
> +		printf("Cannot request GPIO0_23\n");
> +
> +	ret = dm_gpio_request(&btiva1, "boot-tiva1");
> +	if (ret)
> +		printf("Cannot request GPIO0_25\n");
> +
> +	dm_gpio_set_dir_flags(&btiva0, GPIOD_IS_IN);
> +	dm_gpio_set_dir_flags(&btiva1, GPIOD_IS_IN);
> +
> +	udelay(1000);
> +
> +	boot_tiva0 = dm_gpio_get_value(&btiva0);
> +	boot_tiva1 = dm_gpio_get_value(&btiva1);
> +}
> +
> +void board_boot_order(u32 *spl_boot_list)
> +{
> +	spl_boot_list[0] = BOOT_DEVICE_MMC1;
> +	spl_boot_list[1] = BOOT_DEVICE_SPI;
> +}
> +
> +int spl_start_uboot(void)
> +{
> +	/* break into full u-boot on 'c' */
> +	if (serial_tstc() && serial_getc() == 'c')
> +		return 1;
> +
> +	debug("%s: btiva0: %d btiva1: %d\n", __func__, boot_tiva0, boot_tiva1);
> +	return !boot_tiva0 || !boot_tiva1;
> +}
> +#else
> +
> +int board_early_init_f(void)
> +{
> +	init_clocks();
> +
> +	return 0;
> +}
> +
> +int board_init(void)
> +{
> +	struct gpio_desc phy_rst;
> +	int ret;
> +
> +	/* Address of boot parameters */
> +	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
> +
> +	cpu_eth_init(NULL);
> +
> +	/* PHY INT#/PWDN# */
> +	ret = dm_gpio_lookup_name("GPIO4_13", &phy_rst);
> +	if (ret) {
> +		printf("Cannot get GPIO4_13\n");
> +		return ret;
> +	}
> +
> +	ret = dm_gpio_request(&phy_rst, "phy-rst");
> +	if (ret) {
> +		printf("Cannot request GPIO4_13\n");
> +		return ret;
> +	}
> +
> +	dm_gpio_set_dir_flags(&phy_rst, GPIOD_IS_IN);
> +	udelay(1000);
> +
> +	return 0;
> +}
> +
> +int dram_init(void)
> +{
> +	return mxs_dram_init();
> +}
> +
> +#endif	/* CONFIG_SPL_BUILD */
> diff --git a/configs/imx28_xea_defconfig b/configs/imx28_xea_defconfig
> new file mode 100644
> index 0000000000..35de3247a3
> --- /dev/null
> +++ b/configs/imx28_xea_defconfig
> @@ -0,0 +1,108 @@
> +CONFIG_ARM=y
> +CONFIG_SPL_SYS_THUMB_BUILD=y
> +CONFIG_ARCH_MX28=y
> +CONFIG_SYS_TEXT_BASE=0x40002000
> +CONFIG_SPL_GPIO_SUPPORT=y
> +CONFIG_SPL_LIBCOMMON_SUPPORT=y
> +CONFIG_SPL_LIBGENERIC_SUPPORT=y
> +CONFIG_SYS_MALLOC_F_LEN=0x800
> +CONFIG_TARGET_XEA=y
> +CONFIG_SPL_MMC_SUPPORT=y
> +CONFIG_SPL_SERIAL_SUPPORT=y
> +CONFIG_SPL_SYS_MALLOC_F_LEN=0x1000
> +CONFIG_NR_DRAM_BANKS=1
> +CONFIG_SPL=y
> +CONFIG_SPL_SPI_FLASH_SUPPORT=y
> +CONFIG_SPL_SPI_SUPPORT=y
> +CONFIG_SPL_TEXT_BASE=0x1000
> +CONFIG_FIT=y
> +CONFIG_BOARD_EARLY_INIT_F=y
> +CONFIG_SPL_BOARD_INIT=y
> +# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
> +CONFIG_SPL_SYS_MALLOC_SIMPLE=y
> +CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR=y
> +CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0
> +CONFIG_SPL_DMA_SUPPORT=y
> +CONFIG_SPL_DM_GPIO=y
> +CONFIG_SPL_MMC_TINY=y
> +CONFIG_SPL_DM_SPI=y
> +CONFIG_SPL_OS_BOOT=y
> +CONFIG_SPL_PAYLOAD="u-boot.img"
> +CONFIG_SPL_SPI_LOAD=y
> +CONFIG_SYS_SPI_U_BOOT_OFFS=0x10000
> +CONFIG_HUSH_PARSER=y
> +CONFIG_CMD_SPL=y
> +CONFIG_CMD_ASKENV=y
> +CONFIG_CMD_GREPENV=y
> +CONFIG_CMD_DM=y
> +CONFIG_CMD_GPIO=y
> +CONFIG_CMD_MMC=y
> +CONFIG_CMD_MTD=y
> +# CONFIG_CMD_PINMUX is not set
> +CONFIG_CMD_SF=y
> +CONFIG_CMD_SPI=y
> +CONFIG_CMD_DHCP=y
> +CONFIG_CMD_MII=y
> +CONFIG_CMD_PING=y
> +CONFIG_CMD_CACHE=y
> +CONFIG_CMD_REGULATOR=y
> +CONFIG_CMD_EXT4=y
> +CONFIG_CMD_FS_GENERIC=y
> +CONFIG_CMD_MTDPARTS=y
> +CONFIG_MTDIDS_DEFAULT="nor0=spi3.0"
> +CONFIG_MTDPARTS_DEFAULT="spi3.0:64k(SPL),448k(uboot),128k(envs),384k(unused1),4096k(kernel),8192k(swupdate),-(unused2)"
> +CONFIG_DOS_PARTITION=y
> +CONFIG_OF_CONTROL=y
> +CONFIG_SPL_OF_CONTROL=y
> +CONFIG_DEFAULT_DEVICE_TREE="imx28-xea"
> +CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent interrupts"
> +CONFIG_SPL_OF_PLATDATA=y
> +CONFIG_ENV_IS_IN_SPI_FLASH=y
> +CONFIG_USE_ENV_SPI_BUS=y
> +CONFIG_ENV_SPI_BUS=3
> +CONFIG_USE_ENV_SPI_CS=y
> +CONFIG_ENV_SPI_CS=0
> +CONFIG_USE_ENV_SPI_MAX_HZ=y
> +CONFIG_ENV_SPI_MAX_HZ=40000000
> +CONFIG_USE_ENV_SPI_MODE=y
> +CONFIG_ENV_SPI_MODE=0x0
> +CONFIG_NET_RANDOM_ETHADDR=y
> +CONFIG_DM=y
> +CONFIG_SPL_DM=y
> +CONFIG_DEVRES=y
> +CONFIG_DM_GPIO=y
> +CONFIG_MXS_GPIO=y
> +CONFIG_DM_MMC=y
> +CONFIG_SUPPORT_EMMC_BOOT=y
> +CONFIG_MMC_MXS=y
> +CONFIG_MTD=y
> +CONFIG_MTD_DEVICE=y
> +CONFIG_DM_SPI_FLASH=y
> +CONFIG_SPI_FLASH=y
> +CONFIG_SF_DEFAULT_BUS=3
> +CONFIG_SF_DEFAULT_MODE=0x0
> +CONFIG_SF_DEFAULT_SPEED=40000000
> +CONFIG_SPI_FLASH_SFDP_SUPPORT=y
> +CONFIG_SPI_FLASH_ISSI=y
> +CONFIG_SPI_FLASH_SPANSION=y
> +CONFIG_SPI_FLASH_STMICRO=y
> +# CONFIG_SPI_FLASH_USE_4K_SECTORS is not set
> +CONFIG_PHYLIB=y
> +CONFIG_PHY_ADDR_ENABLE=y
> +CONFIG_PHY_ADDR=1
> +CONFIG_PHY_FIXED=y
> +CONFIG_DM_ETH=y
> +CONFIG_FEC_MXC=y
> +CONFIG_MII=y
> +CONFIG_PINCTRL=y
> +CONFIG_PINCTRL_MXS=y
> +CONFIG_DM_REGULATOR=y
> +CONFIG_DM_REGULATOR_FIXED=y
> +CONFIG_DM_REGULATOR_GPIO=y
> +CONFIG_CONS_INDEX=0
> +CONFIG_SPI=y
> +CONFIG_DM_SPI=y
> +CONFIG_MXS_SPI=y
> +CONFIG_FS_FAT=y
> +# CONFIG_SPL_OF_LIBFDT is not set
> +# CONFIG_EFI_LOADER is not set
> diff --git a/include/configs/xea.h b/include/configs/xea.h
> new file mode 100644
> index 0000000000..65109566d3
> --- /dev/null
> +++ b/include/configs/xea.h
> @@ -0,0 +1,196 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * Copyright (C) 2019 DENX Software Engineering
> + * Lukasz Majewski, DENX Software Engineering, lukma at denx.de
> + *
> + * Copyright (C) 2018 DENX Software Engineering
> + * Måns Rullgård, DENX Software Engineering, mans at mansr.com
> + *
> + * Copyright (C) 2011 Marek Vasut <marek.vasut at gmail.com>
> + * on behalf of DENX Software Engineering GmbH
> + */
> +#ifndef __CONFIGS_XEA_H__
> +#define __CONFIGS_XEA_H__
> +
> +#include <linux/sizes.h>
> +
> +#define CONFIG_TIMESTAMP		/* Print image info with timestamp */
> +
> +/* SPL */
> +#define CONFIG_SPL_STACK		0x20000
> +
> +#define CONFIG_SYS_SPL_ARGS_ADDR	0x44000000
> +
> +#define CONFIG_SYS_SPI_KERNEL_OFFS	SZ_1M
> +#define CONFIG_SYS_SPI_ARGS_OFFS	SZ_512K
> +#define CONFIG_SYS_SPI_ARGS_SIZE	SZ_32K
> +
> +#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR	(SZ_512K / 0x200)
> +#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS	(SZ_32K / 0x200)
> +#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR	(SZ_1M / 0x200)
> +
> +#ifndef CONFIG_SPL_BUILD
> +#define CONFIG_SPI_FLASH_MTD
> +#endif
> +
> +/* Memory configuration */
> +#define PHYS_SDRAM_1			0x40000000	/* Base address */
> +#define PHYS_SDRAM_1_SIZE		0x10000000	/* Max 256 MB RAM */
> +#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
> +
> +/* Environment */
> +#define CONFIG_ENV_OVERWRITE
> +
> +/* Booting Linux */
> +#define CONFIG_BOOTFILE		"uImage"
> +#define CONFIG_BOOTARGS		"console=ttyAMA0,115200n8 "
> +#define CONFIG_BOOTCOMMAND	"run ${bootpri} ; run ${bootsec}"
> +#define CONFIG_LOADADDR		0x42000000
> +#define CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
> +
> +/* Extra Environment */
> +#define CONFIG_PREBOOT		"run prebootcmd"
> +#define CONFIG_HOSTNAME		"xea"
> +
> +#define CONFIG_EXTRA_ENV_SETTINGS					\
> +	"bootmode=update\0"						\
> +	"bootpri=mmc_mmc\0"						\
> +	"bootsec=sf_swu\0"						\
> +	"consdev=ttyAMA0\0"						\
> +	"baudrate=115200\0"						\
> +	"dtbaddr=0x44000000\0"						\
> +	"dtbfile=imx28-xea.dtb\0"					\
> +	"rootdev=/dev/mmcblk0p2\0"					\
> +	"netdev=eth0\0"							\
> +	"rdaddr=0x43000000\0"						\
> +	"swufile=swupdate.img\0"					\
> +	"sf_kernel_offset=0x100000\0"					\
> +	"sf_kernel_size=0x400000\0"					\
> +	"sf_swu_offset=0x500000\0"					\
> +	"sf_swu_size=0x800000\0"					\
> +	"rootpath=/opt/eldk-5.5/armv5te/rootfs-qte-sdk\0"		\
> +	"do_update_mmc="						\
> +		"if mmc rescan ; then "					\
> +		"mmc dev 0 ${update_mmc_part} ; "			\
> +		"if dhcp ${hostname}/${update_filename} ; then "	\
> +		"setexpr fw_sz ${filesize} / 0x200 ; "	/* SD block size */ \
> +		"setexpr fw_sz ${fw_sz} + 1 ; "				\
> +		"mmc write ${loadaddr} ${update_offset} ${fw_sz} ; "	\
> +		"fi ; "							\
> +		"fi\0"							\
> +	"do_update_sf="							\
> +		"if sf probe ; then "					\
> +		"if dhcp ${hostname}/${update_filename} ; then "	\
> +		"sf erase ${update_offset} +${filesize} ; "		\
> +		"sf write ${loadaddr} ${update_offset} ${filesize} ; "	\
> +		"fi ; "							\
> +		"fi\0"							\
> +	"update_spl_filename=u-boot.sb\0"				\
> +	"update_spl="							\
> +		"setenv update_filename ${update_spl_filename} ; "	\
> +		"setenv update_offset 0 ; "				\
> +		"run do_update_sf\0"					\
> +	"update_uboot_filename=u-boot.img\0"				\
> +	"update_uboot="							\
> +		"setenv update_filename ${update_uboot_filename} ; "	\
> +		"setenv update_offset 0x10000 ; "			\
> +		"run do_update_sf ; "					\
> +		"setenv update_mmc_part 1 ; "				\
> +		"setenv update_offset 0 ; "				\
> +		"run do_update_mmc\0"					\
> +	"update_kernel_filename=uImage\0"				\
> +	"update_kernel="						\
> +		"setenv update_mmc_part 1 ; "				\
> +		"setenv update_filename ${update_kernel_filename} ; "	\
> +		"setenv update_offset 0x800 ; "				\
> +		"run do_update_mmc ; "					\
> +		"setenv update_filename ${dtbfile} ; "			\
> +		"setenv update_offset 0x400 ; "				\
> +		"run do_update_mmc\0"					\
> +	"update_sfkernel="						\
> +		"setenv update_filename fitImage ; "			\
> +		"setenv update_offset ${sf_kernel_offset} ; "		\
> +		"run do_update_sf\0"					\
> +	"update_swu="							\
> +		"setenv update_filename ${swufile} ; "			\
> +		"setenv update_offset ${sf_swu_offset} ; "		\
> +		"run do_update_sf\0"					\
> +	"addcons="							\
> +		"setenv bootargs ${bootargs} "				\
> +		"console=${consdev},${baudrate}\0"			\
> +	"addip="							\
> +		"setenv bootargs ${bootargs} "				\
> +		"ip=${ipaddr}:${serverip}:${gatewayip}:"		\
> +			"${netmask}:${hostname}:${netdev}:off\0"	\
> +	"addmisc="							\
> +		"setenv bootargs ${bootargs} ${miscargs}\0"		\
> +	"addargs=run addcons addmisc\0"					\
> +	"mmcload="							\
> +		"mmc rescan ; "						\
> +		"mmc dev 0 1 ; "					\
> +		"mmc read ${loadaddr} 0x800 0x2000 ; "			\
> +		"mmc read ${dtbaddr} 0x400 0x80\0"			\
> +	"netload="							\
> +		"dhcp ${loadaddr} ${hostname}/${bootfile} ; "		\
> +		"tftp ${dtbaddr} ${hostname}/${dtbfile}\0"		\
> +	"sfload="							\
> +		"sf probe ; "						\
> +		"sf read ${loadaddr} ${sf_kernel_offset} ${sf_kernel_size}\0" \
> +	"usbload="							\
> +		"usb start ; "						\
> +		"load usb 0:1 ${loadaddr} ${bootfile}\0"		\
> +	"miscargs=panic=1\0"						\
> +	"mmcargs=setenv bootargs root=${rootdev} rw rootwait\0"		\
> +	"nfsargs="							\
> +		"setenv bootargs root=/dev/nfs rw "			\
> +			"nfsroot=${serverip}:${rootpath},v3,tcp\0"	\
> +	"mmc_mmc="							\
> +		"if run mmcload mmcargs addargs ; then "		\
> +		"bootm ${loadaddr} - ${dtbaddr} ; "			\
> +		"fi\0"							\
> +	"mmc_nfs="							\
> +		"if run mmcload nfsargs addip addargs ; then "		\
> +		"bootm ${loadaddr} - ${dtbaddr} ; "			\
> +		"fi\0"							\
> +	"sf_mmc="							\
> +		"if run sfload mmcargs addargs ; then "			\
> +		"bootm ${loadaddr} - ${dtbaddr} ; "			\
> +		"fi\0"							\
> +	"sf_swu="							\
> +		"if run sfload ; then "					\
> +		"sf read ${rdaddr} ${sf_swu_offset} ${sf_swu_size} ; "	\
> +		"setenv bootargs root=/dev/ram0 rw ; "			\
> +		"run addargs ; "					\
> +		"bootm ${loadaddr} ${rdaddr} ; "		\
> +		"fi\0"							\
> +	"net_mmc="							\
> +		"if run netload mmcargs addargs ; then "		\
> +		"bootm ${loadaddr} - ${dtbaddr} ; "			\
> +		"fi\0"							\
> +	"net_nfs="							\
> +		"if run netload nfsargs addip addargs ; then "		\
> +		"bootm ${loadaddr} - ${dtbaddr} ; "			\
> +		"fi\0"							\
> +	"prebootcmd="							\
> +		"if test \"${envsaved}\" != y ; then ; "		\
> +		"setenv envsaved y ; "					\
> +		"saveenv ; "						\
> +		"fi ; "							\
> +		"if test \"${bootmode}\" = normal ; then "		\
> +		"setenv bootdelay 0 ; "					\
> +		"setenv bootpri mmc_mmc ; "				\
> +		"elif test \"${bootmode}\" = devel ; then "		\
> +		"setenv bootdelay 3 ; "					\
> +		"setenv bootpri net_mmc ; "				\
> +		"else "							\
> +		"if test \"${bootmode}\" != update ; then "		\
> +		"echo Warning: unknown bootmode \"${bootmode}\" ; "	\
> +		"fi ; "							\
> +		"setenv bootdelay 1 ; "					\
> +		"setenv bootpri sf_swu ; "				\
> +		"fi\0"
> +
> +/* The rest of the configuration is shared */
> +#include <configs/mxs.h>
> +
> +#endif /* __CONFIGS_XEA_H__ */
> 

-- 
=====================================================================
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de
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