BOARD: MCCMON6: Provide support for iMX6q based mccmon6 board

This patch provides u-boot support for Liebherr (LWN) mccmon6 board.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>

7 files changed, 852 insertions, 0 deletions

diff --git a/board/liebherr/mccmon6/Kconfig b/board/liebherr/mccmon6/Kconfig
new file mode 100644
index 00000000000..4cc7fc2ba2c
--- /dev/null
+++ b/board/liebherr/mccmon6/Kconfig
@@ -0,0 +1,12 @@
+if TARGET_MCCMON6
+
+config SYS_BOARD
+	default "mccmon6"
+
+config SYS_VENDOR
+	default "liebherr"
+
+config SYS_CONFIG_NAME
+	default "mccmon6"
+
+endif
diff --git a/board/liebherr/mccmon6/MAINTAINERS b/board/liebherr/mccmon6/MAINTAINERS
new file mode 100644
index 00000000000..c9c718305f3
--- /dev/null
+++ b/board/liebherr/mccmon6/MAINTAINERS
@@ -0,0 +1,7 @@
+MCCMON6 BOARD
+M:	Lukasz Majewski <lukma@denx.de>
+S:	Maintained
+F:	board/liebherr/mccmon6/
+F:	include/configs/mccmon6.h
+F:	configs/mccmon6_nor_defconfig
+F:	configs/mccmon6_sd_defconfig
diff --git a/board/liebherr/mccmon6/Makefile b/board/liebherr/mccmon6/Makefile
new file mode 100644
index 00000000000..e37baf896ca
--- /dev/null
+++ b/board/liebherr/mccmon6/Makefile
@@ -0,0 +1,8 @@
+#
+# (C) Copyright 2016-2017
+# Lukasz Majewski, DENX Software Engineering, lukma@denx.de
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y  := mccmon6.o spl.o
diff --git a/board/liebherr/mccmon6/mccmon6.c b/board/liebherr/mccmon6/mccmon6.c
new file mode 100644
index 00000000000..eb5eae43551
--- /dev/null
+++ b/board/liebherr/mccmon6/mccmon6.c
@@ -0,0 +1,490 @@
+/*
+ * Copyright (C) 2016-2017
+ * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+#include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/mxc_i2c.h>
+#include <asm/imx-common/spi.h>
+#include <asm/imx-common/boot_mode.h>
+#include <asm/io.h>
+#include <fsl_esdhc.h>
+#include <mmc.h>
+#include <netdev.h>
+#include <micrel.h>
+#include <phy.h>
+#include <input.h>
+#include <i2c.h>
+#include <spl.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
+	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |			\
+	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+
+#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |			\
+	PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |			\
+	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+
+#define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
+	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
+
+#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED |		\
+	PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
+
+#define I2C_PAD_CTRL	(PAD_CTL_PUS_100K_UP |			\
+	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |	\
+	PAD_CTL_ODE | PAD_CTL_SRE_FAST)
+
+#define WEIM_NOR_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |          \
+	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |               \
+	PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST)
+
+#define USDHC2_CD_GPIO		IMX_GPIO_NR(1, 4)
+#define ETH_PHY_RESET		IMX_GPIO_NR(1, 27)
+#define ECSPI3_CS0		IMX_GPIO_NR(4, 24)
+#define ECSPI3_FLWP		IMX_GPIO_NR(4, 27)
+#define NOR_WP			IMX_GPIO_NR(1, 1)
+#define DISPLAY_EN		IMX_GPIO_NR(1, 2)
+
+int dram_init(void)
+{
+	gd->ram_size = imx_ddr_size();
+
+	return 0;
+}
+
+static iomux_v3_cfg_t const uart1_pads[] = {
+	IOMUX_PADS(PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
+	IOMUX_PADS(PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
+};
+
+static iomux_v3_cfg_t const usdhc2_pads[] = {
+	IOMUX_PADS(PAD_SD2_CLK__SD2_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD2_CMD__SD2_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	/* Carrier MicroSD Card Detect */
+	IOMUX_PADS(PAD_GPIO_4__GPIO1_IO04  | MUX_PAD_CTRL(NO_PAD_CTRL)),
+};
+
+static iomux_v3_cfg_t const usdhc3_pads[] = {
+	IOMUX_PADS(PAD_SD3_CLK__SD3_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_CMD__SD3_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+	IOMUX_PADS(PAD_SD3_RST__SD3_RESET  | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+};
+
+static iomux_v3_cfg_t const enet_pads[] = {
+	IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+	IOMUX_PADS(PAD_ENET_MDC__ENET_MDC    | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+	IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+	IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+	IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+	IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+	IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+	IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL
+		   | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+	IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK
+		   | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+	IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+	IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+	IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+	IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+	IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3  | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+	IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL
+		   | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+	/* KSZ9031 PHY Reset */
+	IOMUX_PADS(PAD_ENET_RXD0__GPIO1_IO27  | MUX_PAD_CTRL(NO_PAD_CTRL)),
+};
+
+static void setup_iomux_uart(void)
+{
+	SETUP_IOMUX_PADS(uart1_pads);
+}
+
+static void setup_iomux_enet(void)
+{
+	SETUP_IOMUX_PADS(enet_pads);
+
+	/* Reset KSZ9031 PHY */
+	gpio_direction_output(ETH_PHY_RESET, 0);
+	mdelay(10);
+	gpio_set_value(ETH_PHY_RESET, 1);
+	udelay(100);
+}
+
+static struct fsl_esdhc_cfg usdhc_cfg[2] = {
+	{USDHC3_BASE_ADDR},
+	{USDHC2_BASE_ADDR},
+};
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+	int ret = 0;
+
+	switch (cfg->esdhc_base) {
+	case USDHC2_BASE_ADDR:
+		ret = !gpio_get_value(USDHC2_CD_GPIO);
+		break;
+	case USDHC3_BASE_ADDR:
+		/*
+		 * eMMC don't have card detect pin - since it is soldered to the
+		 * PCB board
+		 */
+		ret = 1;
+		break;
+	}
+	return ret;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+	int ret;
+	u32 index = 0;
+
+	/*
+	 * MMC MAP
+	 * (U-Boot device node)    (Physical Port)
+	 * mmc0                    Soldered on board eMMC device
+	 * mmc1                    MicroSD card
+	 */
+	for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
+		switch (index) {
+		case 0:
+			SETUP_IOMUX_PADS(usdhc3_pads);
+			usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+			usdhc_cfg[0].max_bus_width = 8;
+			break;
+		case 1:
+			SETUP_IOMUX_PADS(usdhc2_pads);
+			usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+			usdhc_cfg[1].max_bus_width = 4;
+			gpio_direction_input(USDHC2_CD_GPIO);
+			break;
+		default:
+			printf("Warning: More USDHC controllers (%d) than supported (%d)\n",
+			       index + 1, CONFIG_SYS_FSL_USDHC_NUM);
+			return -EINVAL;
+		}
+
+		ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static iomux_v3_cfg_t const eimnor_pads[] = {
+	IOMUX_PADS(PAD_EIM_D16__EIM_DATA16 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_D17__EIM_DATA17 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_D18__EIM_DATA18 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_D19__EIM_DATA19 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_D20__EIM_DATA20 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_D21__EIM_DATA21 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_D22__EIM_DATA22 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_D23__EIM_DATA23 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_D24__EIM_DATA24 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_D25__EIM_DATA25 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_D26__EIM_DATA26 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_D27__EIM_DATA27 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_D28__EIM_DATA28 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_D29__EIM_DATA29 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_D30__EIM_DATA30 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_D31__EIM_DATA31 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_DA0__EIM_AD00   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_DA1__EIM_AD01   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_DA2__EIM_AD02   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_DA3__EIM_AD03   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_DA4__EIM_AD04   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_DA5__EIM_AD05   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_DA6__EIM_AD06   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_DA7__EIM_AD07   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_DA8__EIM_AD08   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_DA9__EIM_AD09   | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_DA10__EIM_AD10  | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_DA11__EIM_AD11  | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_DA12__EIM_AD12  | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_DA13__EIM_AD13  | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_DA14__EIM_AD14  | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_DA15__EIM_AD15  | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_A16__EIM_ADDR16 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_A17__EIM_ADDR17 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_A18__EIM_ADDR18 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_A19__EIM_ADDR19 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_A20__EIM_ADDR20 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_A21__EIM_ADDR21 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_A22__EIM_ADDR22 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_A23__EIM_ADDR23 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_A24__EIM_ADDR24 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_A25__EIM_ADDR25 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_OE__EIM_OE_B	| MUX_PAD_CTRL(NO_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_RW__EIM_RW		| MUX_PAD_CTRL(NO_PAD_CTRL)),
+	IOMUX_PADS(PAD_EIM_CS0__EIM_CS0_B	| MUX_PAD_CTRL(NO_PAD_CTRL)),
+	IOMUX_PADS(PAD_GPIO_1__GPIO1_IO01	| MUX_PAD_CTRL(NO_PAD_CTRL)),
+};
+
+static void eimnor_cs_setup(void)
+{
+	struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR;
+
+
+	/* NOR configuration */
+	writel(0x00620181, &weim_regs->cs0gcr1);
+	writel(0x00000001, &weim_regs->cs0gcr2);
+	writel(0x0b020000, &weim_regs->cs0rcr1);
+	writel(0x0000b000, &weim_regs->cs0rcr2);
+	writel(0x0804a240, &weim_regs->cs0wcr1);
+	writel(0x00000000, &weim_regs->cs0wcr2);
+
+	writel(0x00000120, &weim_regs->wcr);
+	writel(0x00000010, &weim_regs->wiar);
+	writel(0x00000000, &weim_regs->ear);
+
+	set_chipselect_size(CS0_128);
+}
+
+static void setup_eimnor(void)
+{
+	SETUP_IOMUX_PADS(eimnor_pads);
+	gpio_direction_output(NOR_WP, 1);
+
+	enable_eim_clk(1);
+	eimnor_cs_setup();
+}
+
+/* mccmon6 board has SPI Flash is connected to SPI3 */
+int board_spi_cs_gpio(unsigned bus, unsigned cs)
+{
+	return (bus == 2 && cs == 0) ? ECSPI3_CS0 : -1;
+}
+
+static iomux_v3_cfg_t const ecspi3_pads[] = {
+	/* SPI3 */
+	IOMUX_PADS(PAD_DISP0_DAT3__GPIO4_IO24 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+	IOMUX_PADS(PAD_DISP0_DAT2__ECSPI3_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)),
+	IOMUX_PADS(PAD_DISP0_DAT1__ECSPI3_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)),
+	IOMUX_PADS(PAD_DISP0_DAT0__ECSPI3_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)),
+};
+
+void setup_spi(void)
+{
+	SETUP_IOMUX_PADS(ecspi3_pads);
+
+	enable_spi_clk(true, 2);
+
+	/* set cs0 to high */
+	gpio_direction_output(ECSPI3_CS0, 1);
+
+	/* set flwp to high */
+	gpio_direction_output(ECSPI3_FLWP, 1);
+}
+
+struct i2c_pads_info mx6q_i2c1_pad_info = {
+	.scl = {
+		.i2c_mode = MX6Q_PAD_CSI0_DAT9__I2C1_SCL
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gpio_mode = MX6Q_PAD_CSI0_DAT9__GPIO5_IO27
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gp = IMX_GPIO_NR(5, 27)
+	},
+	.sda = {
+		.i2c_mode = MX6Q_PAD_CSI0_DAT8__I2C1_SDA
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gpio_mode = MX6Q_PAD_CSI0_DAT8__GPIO5_IO26
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gp = IMX_GPIO_NR(5, 26)
+	}
+};
+
+struct i2c_pads_info mx6q_i2c2_pad_info = {
+	.scl = {
+		.i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gpio_mode = MX6Q_PAD_KEY_COL3__GPIO4_IO12
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gp = IMX_GPIO_NR(4, 12)
+	},
+	.sda = {
+		.i2c_mode = MX6Q_PAD_KEY_ROW3__I2C2_SDA
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gpio_mode = MX6Q_PAD_KEY_ROW3__GPIO4_IO13
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gp = IMX_GPIO_NR(4, 13)
+	}
+};
+
+int board_eth_init(bd_t *bis)
+{
+	setup_iomux_enet();
+
+	return cpu_eth_init(bis);
+}
+
+int board_early_init_f(void)
+{
+	setup_iomux_uart();
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+	gpio_direction_output(DISPLAY_EN, 1);
+
+	setup_eimnor();
+	setup_spi();
+
+	setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c1_pad_info);
+	setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c2_pad_info);
+
+	return 0;
+}
+
+int board_late_init(void)
+{
+	setenv("board_name", "mccmon6");
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	puts("Board: MCCMON6\n");
+
+	return 0;
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+	/*
+	 * Default setting for GMII Clock Pad Skew Register 0x1EF:
+	 * MMD Address 0x2h, Register 0x8h
+	 *
+	 * GTX_CLK Pad Skew 0xF -> 0.9 nsec skew
+	 * RX_CLK Pad Skew 0xF -> 0.9 nsec skew
+	 *
+	 * Adjustment -> write 0x3FF:
+	 * GTX_CLK Pad Skew 0x1F -> 1.8 nsec skew
+	 * RX_CLK Pad Skew 0x1F -> 1.8 nsec skew
+	 *
+	 */
+	ksz9031_phy_extended_write(phydev, 0x2,
+				   MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
+				   MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x3FF);
+
+	ksz9031_phy_extended_write(phydev, 0x02,
+				   MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
+				   MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x00FF);
+
+	ksz9031_phy_extended_write(phydev, 0x2,
+				   MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
+				   MII_KSZ9031_MOD_DATA_NO_POST_INC,
+				   0x3333);
+
+	ksz9031_phy_extended_write(phydev, 0x2,
+				   MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
+				   MII_KSZ9031_MOD_DATA_NO_POST_INC,
+				   0x2052);
+
+	if (phydev->drv->config)
+		phydev->drv->config(phydev);
+
+	return 0;
+}
+
+#ifdef CONFIG_SPL_BOARD_INIT
+void spl_board_init(void)
+{
+	setup_eimnor();
+
+	gpio_direction_output(DISPLAY_EN, 1);
+}
+#endif /* CONFIG_SPL_BOARD_INIT */
+
+#ifdef CONFIG_SPL_BUILD
+void board_boot_order(u32 *spl_boot_list)
+{
+	switch (spl_boot_device()) {
+	case BOOT_DEVICE_MMC2:
+	case BOOT_DEVICE_MMC1:
+		spl_boot_list[0] = BOOT_DEVICE_MMC2;
+		spl_boot_list[1] = BOOT_DEVICE_MMC1;
+		break;
+
+	case BOOT_DEVICE_NOR:
+		spl_boot_list[0] = BOOT_DEVICE_NOR;
+		break;
+	}
+}
+#endif /* CONFIG_SPL_BUILD */
+
+#ifdef CONFIG_SPL_OS_BOOT
+int spl_start_uboot(void)
+{
+	char s[16];
+	int ret;
+	/*
+	 * We use BOOT_DEVICE_MMC1, but SD card is connected
+	 * to MMC2
+	 *
+	 * Correct "mapping" is delivered in board defined
+	 * board_boot_order() function.
+	 *
+	 * SD card boot is regarded as a "development" one,
+	 * hence we _always_ go through the u-boot.
+	 *
+	 */
+	if (spl_boot_device() == BOOT_DEVICE_MMC1)
+		return 1;
+
+	/* break into full u-boot on 'c' */
+	if (serial_tstc() && serial_getc() == 'c')
+		return 1;
+
+	env_init();
+	ret = getenv_f("boot_os", s, sizeof(s));
+	if ((ret != -1) && (strcmp(s, "no") == 0))
+		return 1;
+
+	/*
+	 * Check if SWUpdate recovery needs to be started
+	 *
+	 * recovery_status = NULL (not set - ret == -1) -> normal operation
+	 *
+	 * recovery_status = progress or
+	 * recovery_status = failed   or
+	 * recovery_status = <any value> -> start SWUpdate
+	 *
+	 */
+	ret = getenv_f("recovery_status", s, sizeof(s));
+	if (ret != -1)
+		return 1;
+
+	return 0;
+}
+#endif /* CONFIG_SPL_OS_BOOT */
diff --git a/board/liebherr/mccmon6/mon6_imximage_nor.cfg b/board/liebherr/mccmon6/mon6_imximage_nor.cfg
new file mode 100644
index 00000000000..35faa117a1d
--- /dev/null
+++ b/board/liebherr/mccmon6/mon6_imximage_nor.cfg
@@ -0,0 +1,9 @@
+/*
+ * Copyright (C) 2016-2017
+ * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+IMAGE_VERSION	2
+BOOT_FROM	nor
diff --git a/board/liebherr/mccmon6/mon6_imximage_sd.cfg b/board/liebherr/mccmon6/mon6_imximage_sd.cfg
new file mode 100644
index 00000000000..7a3063c47aa
--- /dev/null
+++ b/board/liebherr/mccmon6/mon6_imximage_sd.cfg
@@ -0,0 +1,9 @@
+/*
+ * Copyright (C) 2016-2017
+ * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+IMAGE_VERSION	2
+BOOT_FROM	sd
diff --git a/board/liebherr/mccmon6/spl.c b/board/liebherr/mccmon6/spl.c
new file mode 100644
index 00000000000..73beeaaf6d5
--- /dev/null
+++ b/board/liebherr/mccmon6/spl.c
@@ -0,0 +1,317 @@
+/*
+ * Copyright (C) 2014 Wandboard
+ * Author: Tungyi Lin <tungyilin1127@gmail.com>
+ *         Richard Hu <hakahu@gmail.com>
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/mx6-pins.h>
+#include <errno.h>
+#include <asm/gpio.h>
+#include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/video.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <spl.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_SPL_BUILD)
+#include <asm/arch/mx6-ddr.h>
+/*
+ * Driving strength:
+ *   0x30 == 40 Ohm
+ *   0x28 == 48 Ohm
+ */
+
+#define IMX6DQ_DRIVE_STRENGTH		0x30
+#define IMX6SDL_DRIVE_STRENGTH		0x28
+
+/* configure MX6Q/DUAL mmdc DDR io registers */
+static struct mx6dq_iomux_ddr_regs mx6dq_ddr_ioregs = {
+	.dram_sdclk_0 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdclk_1 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_cas = IMX6DQ_DRIVE_STRENGTH,
+	.dram_ras = IMX6DQ_DRIVE_STRENGTH,
+	.dram_reset = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdcke0 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdcke1 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdba2 = 0x00000000,
+	.dram_sdodt0 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdodt1 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdqs0 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdqs1 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdqs2 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdqs3 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdqs4 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdqs5 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdqs6 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdqs7 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_dqm0 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_dqm1 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_dqm2 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_dqm3 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_dqm4 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_dqm5 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_dqm6 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_dqm7 = IMX6DQ_DRIVE_STRENGTH,
+};
+
+/* configure MX6Q/DUAL mmdc GRP io registers */
+static struct mx6dq_iomux_grp_regs mx6dq_grp_ioregs = {
+	.grp_ddr_type = 0x000c0000,
+	.grp_ddrmode_ctl = 0x00020000,
+	.grp_ddrpke = 0x00000000,
+	.grp_addds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_ctlds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_ddrmode = 0x00020000,
+	.grp_b0ds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_b1ds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_b2ds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_b3ds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_b4ds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_b5ds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_b6ds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_b7ds = IMX6DQ_DRIVE_STRENGTH,
+};
+
+/* configure MX6SOLO/DUALLITE mmdc DDR io registers */
+struct mx6sdl_iomux_ddr_regs mx6sdl_ddr_ioregs = {
+	.dram_sdclk_0 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdclk_1 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_cas = IMX6SDL_DRIVE_STRENGTH,
+	.dram_ras = IMX6SDL_DRIVE_STRENGTH,
+	.dram_reset = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdcke0 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdcke1 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdba2 = 0x00000000,
+	.dram_sdodt0 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdodt1 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdqs0 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdqs1 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdqs2 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdqs3 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdqs4 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdqs5 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdqs6 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdqs7 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_dqm0 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_dqm1 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_dqm2 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_dqm3 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_dqm4 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_dqm5 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_dqm6 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_dqm7 = IMX6SDL_DRIVE_STRENGTH,
+};
+
+/* configure MX6SOLO/DUALLITE mmdc GRP io registers */
+struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = {
+	.grp_ddr_type = 0x000c0000,
+	.grp_ddrmode_ctl = 0x00020000,
+	.grp_ddrpke = 0x00000000,
+	.grp_addds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_ctlds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_ddrmode = 0x00020000,
+	.grp_b0ds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_b1ds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_b2ds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_b3ds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_b4ds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_b5ds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_b6ds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_b7ds = IMX6SDL_DRIVE_STRENGTH,
+};
+
+/* H5T04G63AFR-PB */
+static struct mx6_ddr3_cfg h5t04g63afr = {
+	.mem_speed = 1600,
+	.density = 4,
+	.width = 16,
+	.banks = 8,
+	.rowaddr = 15,
+	.coladdr = 10,
+	.pagesz = 2,
+	.trcd = 1375,
+	.trcmin = 4875,
+	.trasmin = 3500,
+};
+
+/* H5TQ2G63DFR-H9 */
+static struct mx6_ddr3_cfg h5tq2g63dfr = {
+	.mem_speed = 1333,
+	.density = 2,
+	.width = 16,
+	.banks = 8,
+	.rowaddr = 14,
+	.coladdr = 10,
+	.pagesz = 2,
+	.trcd = 1350,
+	.trcmin = 4950,
+	.trasmin = 3600,
+};
+
+static struct mx6_mmdc_calibration mx6q_2g_mmdc_calib = {
+	.p0_mpwldectrl0 = 0x001f001f,
+	.p0_mpwldectrl1 = 0x001f001f,
+	.p1_mpwldectrl0 = 0x001f001f,
+	.p1_mpwldectrl1 = 0x001f001f,
+	.p0_mpdgctrl0 = 0x4301030d,
+	.p0_mpdgctrl1 = 0x03020277,
+	.p1_mpdgctrl0 = 0x4300030a,
+	.p1_mpdgctrl1 = 0x02780248,
+	.p0_mprddlctl = 0x4536393b,
+	.p1_mprddlctl = 0x36353441,
+	.p0_mpwrdlctl = 0x41414743,
+	.p1_mpwrdlctl = 0x462f453f,
+};
+
+/* DDR 64bit 2GB */
+static struct mx6_ddr_sysinfo mem_q = {
+	.dsize		= 2,
+	.cs1_mirror	= 0,
+	/* config for full 4GB range so that get_mem_size() works */
+	.cs_density	= 32,
+	.ncs		= 1,
+	.bi_on		= 1,
+	.rtt_nom	= 1,
+	.rtt_wr		= 0,
+	.ralat		= 5,
+	.walat		= 0,
+	.mif3_mode	= 3,
+	.rst_to_cke	= 0x23,
+	.sde_to_rst	= 0x10,
+};
+
+static struct mx6_mmdc_calibration mx6dl_1g_mmdc_calib = {
+	.p0_mpwldectrl0 = 0x001f001f,
+	.p0_mpwldectrl1 = 0x001f001f,
+	.p1_mpwldectrl0 = 0x001f001f,
+	.p1_mpwldectrl1 = 0x001f001f,
+	.p0_mpdgctrl0 = 0x420e020e,
+	.p0_mpdgctrl1 = 0x02000200,
+	.p1_mpdgctrl0 = 0x42020202,
+	.p1_mpdgctrl1 = 0x01720172,
+	.p0_mprddlctl = 0x494c4f4c,
+	.p1_mprddlctl = 0x4a4c4c49,
+	.p0_mpwrdlctl = 0x3f3f3133,
+	.p1_mpwrdlctl = 0x39373f2e,
+};
+
+static struct mx6_mmdc_calibration mx6s_512m_mmdc_calib = {
+	.p0_mpwldectrl0 = 0x0040003c,
+	.p0_mpwldectrl1 = 0x0032003e,
+	.p0_mpdgctrl0 = 0x42350231,
+	.p0_mpdgctrl1 = 0x021a0218,
+	.p0_mprddlctl = 0x4b4b4e49,
+	.p0_mpwrdlctl = 0x3f3f3035,
+};
+
+/* DDR 64bit 1GB */
+static struct mx6_ddr_sysinfo mem_dl = {
+	.dsize		= 2,
+	.cs1_mirror	= 0,
+	/* config for full 4GB range so that get_mem_size() works */
+	.cs_density	= 32,
+	.ncs		= 1,
+	.bi_on		= 1,
+	.rtt_nom	= 1,
+	.rtt_wr		= 0,
+	.ralat		= 5,
+	.walat		= 0,
+	.mif3_mode	= 3,
+	.rst_to_cke	= 0x23,
+	.sde_to_rst	= 0x10,
+};
+
+/* DDR 32bit 512MB */
+static struct mx6_ddr_sysinfo mem_s = {
+	.dsize		= 1,
+	.cs1_mirror	= 0,
+	/* config for full 4GB range so that get_mem_size() works */
+	.cs_density	= 32,
+	.ncs		= 1,
+	.bi_on		= 1,
+	.rtt_nom	= 1,
+	.rtt_wr		= 0,
+	.ralat		= 5,
+	.walat		= 0,
+	.mif3_mode	= 3,
+	.rst_to_cke	= 0x23,
+	.sde_to_rst	= 0x10,
+};
+
+static void ccgr_init(void)
+{
+	struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+
+	writel(0x00C03F3F, &ccm->CCGR0);
+	writel(0x0030FC03, &ccm->CCGR1);
+	writel(0x0FFFC000, &ccm->CCGR2);
+	writel(0x3FF00000, &ccm->CCGR3);
+	writel(0x00FFF300, &ccm->CCGR4);
+	writel(0x0F0000C3, &ccm->CCGR5);
+	writel(0x000003FF, &ccm->CCGR6);
+}
+
+static void gpr_init(void)
+{
+	struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
+
+	/* enable AXI cache for VDOA/VPU/IPU */
+	writel(0xF00000CF, &iomux->gpr[4]);
+	/* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
+	writel(0x007F007F, &iomux->gpr[6]);
+	writel(0x007F007F, &iomux->gpr[7]);
+}
+
+static void spl_dram_init(void)
+{
+	if (is_cpu_type(MXC_CPU_MX6SOLO)) {
+		mx6sdl_dram_iocfg(32, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs);
+		mx6_dram_cfg(&mem_s, &mx6s_512m_mmdc_calib, &h5tq2g63dfr);
+	} else if (is_cpu_type(MXC_CPU_MX6DL)) {
+		mx6sdl_dram_iocfg(64, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs);
+		mx6_dram_cfg(&mem_dl, &mx6dl_1g_mmdc_calib, &h5tq2g63dfr);
+	} else if (is_cpu_type(MXC_CPU_MX6Q)) {
+		mx6dq_dram_iocfg(64, &mx6dq_ddr_ioregs, &mx6dq_grp_ioregs);
+		mx6_dram_cfg(&mem_q, &mx6q_2g_mmdc_calib, &h5t04g63afr);
+	}
+
+	udelay(100);
+}
+
+void board_init_f(ulong dummy)
+{
+	ccgr_init();
+
+	/* setup AIPS and disable watchdog */
+	arch_cpu_init();
+
+	gpr_init();
+
+	/* iomux */
+	board_early_init_f();
+
+	/* setup GP timer */
+	timer_init();
+
+	/* UART clocks enabled and gd valid - init serial console */
+	preloader_console_init();
+
+	/* DDR initialization */
+	spl_dram_init();
+
+	/* Clear the BSS. */
+	memset(__bss_start, 0, __bss_end - __bss_start);
+
+	/* load/boot image from boot device */
+	board_init_r(NULL, 0);
+}
+#endif