imx: Add support for i.MX28 based XEA board

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) by using OF_PLATDATA.
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@800f0000 (eth0) using random MAC address - ce:e1:9e:46:f3:a2
eth0: ethernet@800f0000
Hit any key to stop autoboot:  0

Signed-off-by: Lukasz Majewski <lukma@denx.de>

6 files changed, 561 insertions, 0 deletions

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@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@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@denx.de
+ *
+ * Copyright (C) 2018 DENX Software Engineering
+ * Måns Rullgård, DENX Software Engineering, mans@mansr.com
+ *
+ * Copyright (C) 2011 Marek Vasut <marek.vasut@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..1d47f67a7f
--- /dev/null
+++ b/board/liebherr/xea/xea.c
@@ -0,0 +1,153 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * XEA iMX28 board
+ *
+ * Copyright (C) 2019 DENX Software Engineering
+ * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
+ *
+ * Copyright (C) 2018 DENX Software Engineering
+ * Måns Rullgård, DENX Software Engineering, mans@mansr.com
+ *
+ * Copyright (C) 2011 Marek Vasut <marek.vasut@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>
+#include <serial.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 */