arm: imx: initial support for apalis imx6

This adds board support for the Toradex module family Apalis iMX6.
The familiy consists of a module with i.MX6 Dual, i.MX6 Quad with
commercial and industrial temperature range.

Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>

1 files changed, 1292 insertions, 0 deletions

diff --git a/board/toradex/apalis_imx6/apalis_imx6.c b/board/toradex/apalis_imx6/apalis_imx6.c
new file mode 100644
index 0000000000..09bebeb71b
--- /dev/null
+++ b/board/toradex/apalis_imx6/apalis_imx6.c
@@ -0,0 +1,1292 @@
+/*
+ * Copyright (C) 2010-2013 Freescale Semiconductor, Inc.
+ * Copyright (C) 2013, Boundary Devices <info@boundarydevices.com>
+ * Copyright (C) 2014-2016, Toradex AG
+ * copied from nitrogen6x
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/mxc_hdmi.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/arch/mx6-ddr.h>
+#include <asm/bootm.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/mxc_i2c.h>
+#include <asm/imx-common/sata.h>
+#include <asm/imx-common/boot_mode.h>
+#include <asm/imx-common/video.h>
+#include <dm/platform_data/serial_mxc.h>
+#include <dm/platdata.h>
+#include <fsl_esdhc.h>
+#include <i2c.h>
+#include <imx_thermal.h>
+#include <linux/errno.h>
+#include <malloc.h>
+#include <mmc.h>
+#include <micrel.h>
+#include <miiphy.h>
+#include <netdev.h>
+
+#include "../common/tdx-cfg-block.h"
+#ifdef CONFIG_TDX_CMD_IMX_MFGR
+#include "pf0100.h"
+#endif
+
+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 BUTTON_PAD_CTRL (PAD_CTL_PUS_100K_UP |			\
+	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
+
+#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 WEAK_PULLUP	(PAD_CTL_PUS_100K_UP |			\
+	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |	\
+	PAD_CTL_SRE_SLOW)
+
+#define NO_PULLUP	(					\
+	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |	\
+	PAD_CTL_SRE_SLOW)
+
+#define WEAK_PULLDOWN	(PAD_CTL_PUS_100K_DOWN |		\
+	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |			\
+	PAD_CTL_HYS | PAD_CTL_SRE_SLOW)
+
+#define TRISTATE	(PAD_CTL_HYS | PAD_CTL_SPEED_MED)
+
+#define OUTPUT_40OHM (PAD_CTL_SPEED_MED|PAD_CTL_DSE_40ohm)
+
+#define OUTPUT_RGB (PAD_CTL_SPEED_MED|PAD_CTL_DSE_60ohm|PAD_CTL_SRE_FAST)
+
+int dram_init(void)
+{
+	/* use the DDR controllers configured size */
+	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+				    (ulong)imx_ddr_size());
+
+	return 0;
+}
+
+/* Apalis UART1 */
+iomux_v3_cfg_t const uart1_pads_dce[] = {
+	MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
+	MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+iomux_v3_cfg_t const uart1_pads_dte[] = {
+	MX6_PAD_CSI0_DAT10__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
+	MX6_PAD_CSI0_DAT11__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
+/* Apalis I2C1 */
+struct i2c_pads_info i2c_pad_info1 = {
+	.scl = {
+		.i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | PC,
+		.gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | PC,
+		.gp = IMX_GPIO_NR(5, 27)
+	},
+	.sda = {
+		.i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | PC,
+		.gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | PC,
+		.gp = IMX_GPIO_NR(5, 26)
+	}
+};
+
+/* Apalis local, PMIC, SGTL5000, STMPE811 */
+struct i2c_pads_info i2c_pad_info_loc = {
+	.scl = {
+		.i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | PC,
+		.gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | PC,
+		.gp = IMX_GPIO_NR(4, 12)
+	},
+	.sda = {
+		.i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | PC,
+		.gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | PC,
+		.gp = IMX_GPIO_NR(4, 13)
+	}
+};
+
+/* Apalis I2C3 / CAM */
+struct i2c_pads_info i2c_pad_info3 = {
+	.scl = {
+		.i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | PC,
+		.gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | PC,
+		.gp = IMX_GPIO_NR(3, 17)
+	},
+	.sda = {
+		.i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC,
+		.gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC,
+		.gp = IMX_GPIO_NR(3, 18)
+	}
+};
+
+/* Apalis I2C2 / DDC */
+struct i2c_pads_info i2c_pad_info_ddc = {
+	.scl = {
+		.i2c_mode = MX6_PAD_EIM_EB2__HDMI_TX_DDC_SCL | PC,
+		.gpio_mode = MX6_PAD_EIM_EB2__GPIO2_IO30 | PC,
+		.gp = IMX_GPIO_NR(2, 30)
+	},
+	.sda = {
+		.i2c_mode = MX6_PAD_EIM_D16__HDMI_TX_DDC_SDA | PC,
+		.gpio_mode = MX6_PAD_EIM_D16__GPIO3_IO16 | PC,
+		.gp = IMX_GPIO_NR(3, 16)
+	}
+};
+
+/* Apalis MMC1 */
+iomux_v3_cfg_t const usdhc1_pads[] = {
+	MX6_PAD_SD1_CLK__SD1_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD1_CMD__SD1_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_NANDF_D0__SD1_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_NANDF_D1__SD1_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_NANDF_D2__SD1_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_NANDF_D3__SD1_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_DI0_PIN4__GPIO4_IO20   | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
+#	define GPIO_MMC_CD IMX_GPIO_NR(4, 20)
+};
+
+/* Apalis SD1 */
+iomux_v3_cfg_t const usdhc2_pads[] = {
+	MX6_PAD_SD2_CLK__SD2_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD2_CMD__SD2_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_NANDF_CS1__GPIO6_IO14  | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
+#	define GPIO_SD_CD IMX_GPIO_NR(6, 14)
+};
+
+/* eMMC */
+iomux_v3_cfg_t const usdhc3_pads[] = {
+	MX6_PAD_SD3_CLK__SD3_CLK    | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_CMD__SD3_CMD    | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(WEAK_PULLUP),
+};
+
+int mx6_rgmii_rework(struct phy_device *phydev)
+{
+	/* control data pad skew - devaddr = 0x02, register = 0x04 */
+	ksz9031_phy_extended_write(phydev, 0x02,
+				   MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
+				   MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
+	/* rx data pad skew - devaddr = 0x02, register = 0x05 */
+	ksz9031_phy_extended_write(phydev, 0x02,
+				   MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
+				   MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
+	/* tx data pad skew - devaddr = 0x02, register = 0x05 */
+	ksz9031_phy_extended_write(phydev, 0x02,
+				   MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
+				   MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
+	/* gtx and rx clock pad skew - devaddr = 0x02, register = 0x08 */
+	ksz9031_phy_extended_write(phydev, 0x02,
+				   MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
+				   MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x03FF);
+	return 0;
+}
+
+iomux_v3_cfg_t const enet_pads[] = {
+	MX6_PAD_ENET_MDIO__ENET_MDIO		| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_ENET_MDC__ENET_MDC		| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_TXC__RGMII_TXC		| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_TD0__RGMII_TD0		| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_TD1__RGMII_TD1		| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_TD2__RGMII_TD2		| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_TD3__RGMII_TD3		| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL	| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_ENET_REF_CLK__ENET_TX_CLK	| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_RXC__RGMII_RXC		| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_RD0__RGMII_RD0		| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_RD1__RGMII_RD1		| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_RD2__RGMII_RD2		| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_RD3__RGMII_RD3		| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL	| MUX_PAD_CTRL(ENET_PAD_CTRL),
+	/* KSZ9031 PHY Reset */
+	MX6_PAD_ENET_CRS_DV__GPIO1_IO25		| MUX_PAD_CTRL(NO_PAD_CTRL),
+#	define GPIO_ENET_PHY_RESET IMX_GPIO_NR(1, 25)
+};
+
+static void setup_iomux_enet(void)
+{
+	imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
+}
+
+static int reset_enet_phy(struct mii_dev *bus)
+{
+	/* Reset KSZ9031 PHY */
+	gpio_direction_output(GPIO_ENET_PHY_RESET, 0);
+	mdelay(10);
+	gpio_set_value(GPIO_ENET_PHY_RESET, 1);
+
+	return 0;
+}
+
+/* mux the Apalis GPIO pins, so they can be used from the U-Boot cmdline */
+iomux_v3_cfg_t const gpio_pads[] = {
+	/* Apalis GPIO1 - GPIO8 */
+	MX6_PAD_NANDF_D4__GPIO2_IO04	| MUX_PAD_CTRL(WEAK_PULLUP),
+	MX6_PAD_NANDF_D5__GPIO2_IO05	| MUX_PAD_CTRL(WEAK_PULLUP),
+	MX6_PAD_NANDF_D6__GPIO2_IO06	| MUX_PAD_CTRL(WEAK_PULLUP),
+	MX6_PAD_NANDF_D7__GPIO2_IO07	| MUX_PAD_CTRL(WEAK_PULLUP),
+	MX6_PAD_NANDF_RB0__GPIO6_IO10	| MUX_PAD_CTRL(WEAK_PULLUP),
+	MX6_PAD_NANDF_WP_B__GPIO6_IO09	| MUX_PAD_CTRL(WEAK_PULLUP),
+	MX6_PAD_GPIO_2__GPIO1_IO02	| MUX_PAD_CTRL(WEAK_PULLDOWN),
+	MX6_PAD_GPIO_6__GPIO1_IO06	| MUX_PAD_CTRL(WEAK_PULLUP),
+	MX6_PAD_GPIO_4__GPIO1_IO04	| MUX_PAD_CTRL(WEAK_PULLUP),
+};
+
+static void setup_iomux_gpio(void)
+{
+	imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads));
+}
+
+iomux_v3_cfg_t const usb_pads[] = {
+	/* USBH_EN */
+	MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL),
+#	define GPIO_USBH_EN IMX_GPIO_NR(1, 0)
+	/* USB_VBUS_DET */
+	MX6_PAD_EIM_D28__GPIO3_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
+#	define GPIO_USB_VBUS_DET IMX_GPIO_NR(3, 28)
+	/* USBO1_ID */
+	MX6_PAD_ENET_RX_ER__USB_OTG_ID	| MUX_PAD_CTRL(WEAK_PULLUP),
+	/* USBO1_EN */
+	MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
+#	define GPIO_USBO_EN IMX_GPIO_NR(3, 22)
+};
+
+/*
+ * UARTs are used in DTE mode, switch the mode on all UARTs before
+ * any pinmuxing connects a (DCE) output to a transceiver output.
+ */
+#define UFCR		0x90	/* FIFO Control Register */
+#define UFCR_DCEDTE	(1<<6)	/* DCE=0 */
+
+static void setup_dtemode_uart(void)
+{
+	setbits_le32((u32 *)(UART1_BASE + UFCR), UFCR_DCEDTE);
+	setbits_le32((u32 *)(UART2_BASE + UFCR), UFCR_DCEDTE);
+	setbits_le32((u32 *)(UART4_BASE + UFCR), UFCR_DCEDTE);
+	setbits_le32((u32 *)(UART5_BASE + UFCR), UFCR_DCEDTE);
+}
+static void setup_dcemode_uart(void)
+{
+	clrbits_le32((u32 *)(UART1_BASE + UFCR), UFCR_DCEDTE);
+	clrbits_le32((u32 *)(UART2_BASE + UFCR), UFCR_DCEDTE);
+	clrbits_le32((u32 *)(UART4_BASE + UFCR), UFCR_DCEDTE);
+	clrbits_le32((u32 *)(UART5_BASE + UFCR), UFCR_DCEDTE);
+}
+
+static void setup_iomux_dte_uart(void)
+{
+	setup_dtemode_uart();
+	imx_iomux_v3_setup_multiple_pads(uart1_pads_dte,
+					 ARRAY_SIZE(uart1_pads_dte));
+}
+
+static void setup_iomux_dce_uart(void)
+{
+	setup_dcemode_uart();
+	imx_iomux_v3_setup_multiple_pads(uart1_pads_dce,
+					 ARRAY_SIZE(uart1_pads_dce));
+}
+
+#ifdef CONFIG_USB_EHCI_MX6
+int board_ehci_hcd_init(int port)
+{
+	imx_iomux_v3_setup_multiple_pads(usb_pads, ARRAY_SIZE(usb_pads));
+	return 0;
+}
+
+int board_ehci_power(int port, int on)
+{
+	switch (port) {
+	case 0:
+		/* control OTG power */
+		gpio_direction_output(GPIO_USBO_EN, on);
+		mdelay(100);
+		break;
+	case 1:
+		/* Control MXM USBH */
+		gpio_direction_output(GPIO_USBH_EN, on);
+		mdelay(2);
+		/* Control onboard USB Hub VBUS */
+		gpio_direction_output(GPIO_USB_VBUS_DET, on);
+		mdelay(100);
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_FSL_ESDHC
+/* use the following sequence: eMMC, MMC, SD */
+struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = {
+	{USDHC3_BASE_ADDR},
+	{USDHC1_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 = true; /* default: assume inserted */
+
+	switch (cfg->esdhc_base) {
+	case USDHC1_BASE_ADDR:
+		gpio_direction_input(GPIO_MMC_CD);
+		ret = !gpio_get_value(GPIO_MMC_CD);
+		break;
+	case USDHC2_BASE_ADDR:
+		gpio_direction_input(GPIO_SD_CD);
+		ret = !gpio_get_value(GPIO_SD_CD);
+		break;
+	}
+
+	return ret;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+#ifndef CONFIG_SPL_BUILD
+	s32 status = 0;
+	u32 index = 0;
+
+	usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+	usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+	usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+
+	usdhc_cfg[0].max_bus_width = 8;
+	usdhc_cfg[1].max_bus_width = 8;
+	usdhc_cfg[2].max_bus_width = 4;
+
+	for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
+		switch (index) {
+		case 0:
+			imx_iomux_v3_setup_multiple_pads(
+				usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+			break;
+		case 1:
+			imx_iomux_v3_setup_multiple_pads(
+				usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
+			break;
+		case 2:
+			imx_iomux_v3_setup_multiple_pads(
+				usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
+			break;
+		default:
+			printf("Warning: you configured more USDHC controllers (%d) then supported by the board (%d)\n",
+			       index + 1, CONFIG_SYS_FSL_USDHC_NUM);
+			return status;
+		}
+
+		status |= fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
+	}
+
+	return status;
+#else
+	struct src *psrc = (struct src *)SRC_BASE_ADDR;
+	unsigned reg = readl(&psrc->sbmr1) >> 11;
+	/*
+	 * Upon reading BOOT_CFG register the following map is done:
+	 * Bit 11 and 12 of BOOT_CFG register can determine the current
+	 * mmc port
+	 * 0x1                  SD1
+	 * 0x2                  SD2
+	 * 0x3                  SD4
+	 */
+
+	switch (reg & 0x3) {
+	case 0x0:
+		imx_iomux_v3_setup_multiple_pads(
+			usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
+		usdhc_cfg[0].esdhc_base = USDHC1_BASE_ADDR;
+		usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+		gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
+		break;
+	case 0x1:
+		imx_iomux_v3_setup_multiple_pads(
+			usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
+		usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
+		usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+		gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
+		break;
+	case 0x2:
+		imx_iomux_v3_setup_multiple_pads(
+			usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+		usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
+		usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+		gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
+		break;
+	default:
+		puts("MMC boot device not available");
+	}
+
+	return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+#endif
+}
+#endif
+
+int board_phy_config(struct phy_device *phydev)
+{
+	mx6_rgmii_rework(phydev);
+	if (phydev->drv->config)
+		phydev->drv->config(phydev);
+
+	return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+	uint32_t base = IMX_FEC_BASE;
+	struct mii_dev *bus = NULL;
+	struct phy_device *phydev = NULL;
+	int ret;
+
+	setup_iomux_enet();
+
+#ifdef CONFIG_FEC_MXC
+	bus = fec_get_miibus(base, -1);
+	if (!bus)
+		return 0;
+	bus->reset = reset_enet_phy;
+	/* scan PHY 4,5,6,7 */
+	phydev = phy_find_by_mask(bus, (0xf << 4), PHY_INTERFACE_MODE_RGMII);
+	if (!phydev) {
+		free(bus);
+		puts("no PHY found\n");
+		return 0;
+	}
+	printf("using PHY at %d\n", phydev->addr);
+	ret = fec_probe(bis, -1, base, bus, phydev);
+	if (ret) {
+		printf("FEC MXC: %s:failed\n", __func__);
+		free(phydev);
+		free(bus);
+	}
+#endif
+	return 0;
+}
+
+static iomux_v3_cfg_t const pwr_intb_pads[] = {
+	/*
+	 * the bootrom sets the iomux to vselect, potentially connecting
+	 * two outputs. Set this back to GPIO
+	 */
+	MX6_PAD_GPIO_18__GPIO7_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL)
+};
+
+#if defined(CONFIG_VIDEO_IPUV3)
+
+static iomux_v3_cfg_t const backlight_pads[] = {
+	/* Backlight on RGB connector: J15 */
+	MX6_PAD_EIM_DA13__GPIO3_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL),
+#define RGB_BACKLIGHT_GP IMX_GPIO_NR(3, 13)
+	/* additional CPU pin on BKL_PWM, keep in tristate */
+	MX6_PAD_EIM_DA14__GPIO3_IO14 | MUX_PAD_CTRL(TRISTATE),
+	/* Backlight PWM, used as GPIO in U-Boot */
+	MX6_PAD_SD4_DAT2__GPIO2_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
+#define RGB_BACKLIGHTPWM_GP IMX_GPIO_NR(2, 10)
+	/* buffer output enable 0: buffer enabled */
+	MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(WEAK_PULLUP),
+#define RGB_BACKLIGHTPWM_OE IMX_GPIO_NR(5, 2)
+	/* PSAVE# integrated VDAC */
+	MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL),
+#define VGA_PSAVE_NOT_GP IMX_GPIO_NR(6, 31)
+};
+
+static iomux_v3_cfg_t const rgb_pads[] = {
+	MX6_PAD_EIM_A16__IPU1_DI1_DISP_CLK | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_DA10__IPU1_DI1_PIN15 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_DA11__IPU1_DI1_PIN02 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_DA12__IPU1_DI1_PIN03 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_DA9__IPU1_DISP1_DATA00 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_DA8__IPU1_DISP1_DATA01 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_DA7__IPU1_DISP1_DATA02 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_DA6__IPU1_DISP1_DATA03 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_DA5__IPU1_DISP1_DATA04 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_DA4__IPU1_DISP1_DATA05 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_DA3__IPU1_DISP1_DATA06 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_DA2__IPU1_DISP1_DATA07 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_DA1__IPU1_DISP1_DATA08 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_DA0__IPU1_DISP1_DATA09 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_EB1__IPU1_DISP1_DATA10 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_EB0__IPU1_DISP1_DATA11 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_A17__IPU1_DISP1_DATA12 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_A18__IPU1_DISP1_DATA13 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_A19__IPU1_DISP1_DATA14 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_A20__IPU1_DISP1_DATA15 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_A21__IPU1_DISP1_DATA16 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_A22__IPU1_DISP1_DATA17 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_A23__IPU1_DISP1_DATA18 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_A24__IPU1_DISP1_DATA19 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_D26__IPU1_DISP1_DATA22 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_D27__IPU1_DISP1_DATA23 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_D30__IPU1_DISP1_DATA21 | MUX_PAD_CTRL(OUTPUT_RGB),
+	MX6_PAD_EIM_D31__IPU1_DISP1_DATA20 | MUX_PAD_CTRL(OUTPUT_RGB),
+};
+
+static iomux_v3_cfg_t const vga_pads[] = {
+#ifdef FOR_DL_SOLO
+	/* DualLite/Solo doesn't have IPU2 */
+	MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK,
+	MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15,
+	MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02,
+	MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03,
+	MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00,
+	MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01,
+	MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02,
+	MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03,
+	MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04,
+	MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05,
+	MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06,
+	MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07,
+	MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08,
+	MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09,
+	MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10,
+	MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11,
+	MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12,
+	MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13,
+	MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14,
+	MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15,
+#else
+	MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK,
+	MX6_PAD_DI0_PIN15__IPU2_DI0_PIN15,
+	MX6_PAD_DI0_PIN2__IPU2_DI0_PIN02,
+	MX6_PAD_DI0_PIN3__IPU2_DI0_PIN03,
+	MX6_PAD_DISP0_DAT0__IPU2_DISP0_DATA00,
+	MX6_PAD_DISP0_DAT1__IPU2_DISP0_DATA01,
+	MX6_PAD_DISP0_DAT2__IPU2_DISP0_DATA02,
+	MX6_PAD_DISP0_DAT3__IPU2_DISP0_DATA03,
+	MX6_PAD_DISP0_DAT4__IPU2_DISP0_DATA04,
+	MX6_PAD_DISP0_DAT5__IPU2_DISP0_DATA05,
+	MX6_PAD_DISP0_DAT6__IPU2_DISP0_DATA06,
+	MX6_PAD_DISP0_DAT7__IPU2_DISP0_DATA07,
+	MX6_PAD_DISP0_DAT8__IPU2_DISP0_DATA08,
+	MX6_PAD_DISP0_DAT9__IPU2_DISP0_DATA09,
+	MX6_PAD_DISP0_DAT10__IPU2_DISP0_DATA10,
+	MX6_PAD_DISP0_DAT11__IPU2_DISP0_DATA11,
+	MX6_PAD_DISP0_DAT12__IPU2_DISP0_DATA12,
+	MX6_PAD_DISP0_DAT13__IPU2_DISP0_DATA13,
+	MX6_PAD_DISP0_DAT14__IPU2_DISP0_DATA14,
+	MX6_PAD_DISP0_DAT15__IPU2_DISP0_DATA15,
+#endif
+};
+
+static void do_enable_hdmi(struct display_info_t const *dev)
+{
+	imx_enable_hdmi_phy();
+}
+
+static int detect_i2c(struct display_info_t const *dev)
+{
+	return (0 == i2c_set_bus_num(dev->bus)) &&
+	       (0 == i2c_probe(dev->addr));
+}
+
+static void enable_lvds(struct display_info_t const *dev)
+{
+	struct iomuxc *iomux = (struct iomuxc *)
+				IOMUXC_BASE_ADDR;
+	u32 reg = readl(&iomux->gpr[2]);
+	reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT;
+	writel(reg, &iomux->gpr[2]);
+	gpio_direction_output(RGB_BACKLIGHT_GP, 1);
+	gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0);
+	gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0);
+}
+
+static void enable_rgb(struct display_info_t const *dev)
+{
+	imx_iomux_v3_setup_multiple_pads(
+		rgb_pads,
+		ARRAY_SIZE(rgb_pads));
+	gpio_direction_output(RGB_BACKLIGHT_GP, 1);
+	gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0);
+	gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0);
+}
+
+static int detect_default(struct display_info_t const *dev)
+{
+	(void) dev;
+	return 1;
+}
+
+struct display_info_t const displays[] = {{
+	.bus	= -1,
+	.addr	= 0,
+	.pixfmt	= IPU_PIX_FMT_RGB24,
+	.detect	= detect_hdmi,
+	.enable	= do_enable_hdmi,
+	.mode	= {
+		.name           = "HDMI",
+		.refresh        = 60,
+		.xres           = 1024,
+		.yres           = 768,
+		.pixclock       = 15385,
+		.left_margin    = 220,
+		.right_margin   = 40,
+		.upper_margin   = 21,
+		.lower_margin   = 7,
+		.hsync_len      = 60,
+		.vsync_len      = 10,
+		.sync           = FB_SYNC_EXT,
+		.vmode          = FB_VMODE_NONINTERLACED
+} }, {
+	.bus	= -1,
+	.addr	= 0,
+	.di	= 1,
+	.pixfmt	= IPU_PIX_FMT_RGB24,
+	.detect	= detect_default,
+	.enable	= enable_rgb,
+	.mode	= {
+		.name           = "vga-rgb",
+		.refresh        = 60,
+		.xres           = 640,
+		.yres           = 480,
+		.pixclock       = 33000,
+		.left_margin    = 48,
+		.right_margin   = 16,
+		.upper_margin   = 31,
+		.lower_margin   = 11,
+		.hsync_len      = 96,
+		.vsync_len      = 2,
+		.sync           = 0,
+		.vmode          = FB_VMODE_NONINTERLACED
+} }, {
+	.bus	= -1,
+	.addr	= 0,
+	.di	= 1,
+	.pixfmt	= IPU_PIX_FMT_RGB24,
+	.enable	= enable_rgb,
+	.mode	= {
+		.name           = "wvga-rgb",
+		.refresh        = 60,
+		.xres           = 800,
+		.yres           = 480,
+		.pixclock       = 25000,
+		.left_margin    = 40,
+		.right_margin   = 88,
+		.upper_margin   = 33,
+		.lower_margin   = 10,
+		.hsync_len      = 128,
+		.vsync_len      = 2,
+		.sync           = 0,
+		.vmode          = FB_VMODE_NONINTERLACED
+} }, {
+	.bus	= -1,
+	.addr	= 0,
+	.pixfmt	= IPU_PIX_FMT_LVDS666,
+	.detect	= detect_i2c,
+	.enable	= enable_lvds,
+	.mode	= {
+		.name           = "wsvga-lvds",
+		.refresh        = 60,
+		.xres           = 1024,
+		.yres           = 600,
+		.pixclock       = 15385,
+		.left_margin    = 220,
+		.right_margin   = 40,
+		.upper_margin   = 21,
+		.lower_margin   = 7,
+		.hsync_len      = 60,
+		.vsync_len      = 10,
+		.sync           = FB_SYNC_EXT,
+		.vmode          = FB_VMODE_NONINTERLACED
+} } };
+size_t display_count = ARRAY_SIZE(displays);
+
+static void setup_display(void)
+{
+	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+	struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
+	int reg;
+
+	enable_ipu_clock();
+	imx_setup_hdmi();
+	/* Turn on LDB0,IPU,IPU DI0 clocks */
+	reg = __raw_readl(&mxc_ccm->CCGR3);
+	reg |= MXC_CCM_CCGR3_LDB_DI0_MASK;
+	writel(reg, &mxc_ccm->CCGR3);
+
+	/* set LDB0, LDB1 clk select to 011/011 */
+	reg = readl(&mxc_ccm->cs2cdr);
+	reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
+		 |MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
+	reg |= (3<<MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
+	      |(3<<MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
+	writel(reg, &mxc_ccm->cs2cdr);
+
+	reg = readl(&mxc_ccm->cscmr2);
+	reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV;
+	writel(reg, &mxc_ccm->cscmr2);
+
+	reg = readl(&mxc_ccm->chsccdr);
+	reg |= (CHSCCDR_CLK_SEL_LDB_DI0
+		<<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
+	writel(reg, &mxc_ccm->chsccdr);
+
+	reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
+	     |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH
+	     |IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
+	     |IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
+	     |IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
+	     |IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
+	     |IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
+	     |IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED
+	     |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
+	writel(reg, &iomux->gpr[2]);
+
+	reg = readl(&iomux->gpr[3]);
+	reg = (reg & ~(IOMUXC_GPR3_LVDS0_MUX_CTL_MASK
+			|IOMUXC_GPR3_HDMI_MUX_CTL_MASK))
+	    | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
+	       <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
+	writel(reg, &iomux->gpr[3]);
+
+	/* backlight unconditionally on for now */
+	imx_iomux_v3_setup_multiple_pads(backlight_pads,
+					 ARRAY_SIZE(backlight_pads));
+	/* use 0 for EDT 7", use 1 for LG fullHD panel */
+	gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0);
+	gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0);
+	gpio_direction_output(RGB_BACKLIGHT_GP, 1);
+}
+#endif /* defined(CONFIG_VIDEO_IPUV3) */
+
+int board_early_init_f(void)
+{
+	imx_iomux_v3_setup_multiple_pads(pwr_intb_pads,
+					 ARRAY_SIZE(pwr_intb_pads));
+#ifndef CONFIG_TDX_APALIS_IMX6_V1_0
+	setup_iomux_dte_uart();
+#else
+	setup_iomux_dce_uart();
+#endif
+
+#if defined(CONFIG_VIDEO_IPUV3)
+	setup_display();
+#endif
+	return 0;
+}
+
+/*
+ * Do not overwrite the console
+ * Use always serial for U-Boot console
+ */
+int overwrite_console(void)
+{
+	return 1;
+}
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+	setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
+	setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info_loc);
+	setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
+
+#ifdef CONFIG_TDX_CMD_IMX_MFGR
+	(void) pmic_init();
+#endif
+
+#ifdef CONFIG_CMD_SATA
+	setup_sata();
+#endif
+
+	setup_iomux_gpio();
+
+	return 0;
+}
+
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+#if defined(CONFIG_REVISION_TAG) && \
+    defined(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)
+	char env_str[256];
+	u32 rev;
+
+	rev = get_board_rev();
+	snprintf(env_str, ARRAY_SIZE(env_str), "%.4x", rev);
+	setenv("board_rev", env_str);
+
+#ifndef CONFIG_TDX_APALIS_IMX6_V1_0
+	if ((rev & 0xfff0) == 0x0100) {
+		char *fdt_env;
+
+		/* reconfigure the UART to DCE mode dynamically if on V1.0 HW */
+		setup_iomux_dce_uart();
+
+		/* if using the default device tree, use version for V1.0 HW */
+		fdt_env = getenv("fdt_file");
+		if ((fdt_env != NULL) && (strcmp(FDT_FILE, fdt_env) == 0)) {
+			setenv("fdt_file", FDT_FILE_V1_0);
+			printf("patching fdt_file to " FDT_FILE_V1_0 "\n");
+#ifndef CONFIG_ENV_IS_NOWHERE
+			saveenv();
+#endif
+		}
+	}
+#endif /* CONFIG_TDX_APALIS_IMX6_V1_0 */
+#endif /* CONFIG_REVISION_TAG */
+
+	return 0;
+}
+#endif /* CONFIG_BOARD_LATE_INIT */
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_SYSTEM_SETUP)
+int ft_system_setup(void *blob, bd_t *bd)
+{
+	return 0;
+}
+#endif
+
+int checkboard(void)
+{
+	char it[] = " IT";
+	int minc, maxc;
+
+	switch (get_cpu_temp_grade(&minc, &maxc)) {
+	case TEMP_AUTOMOTIVE:
+	case TEMP_INDUSTRIAL:
+		break;
+	case TEMP_EXTCOMMERCIAL:
+	default:
+		it[0] = 0;
+	};
+	printf("Model: Toradex Apalis iMX6 %s %s%s\n",
+	       is_cpu_type(MXC_CPU_MX6D) ? "Dual" : "Quad",
+	       (gd->ram_size == 0x80000000) ? "2GB" :
+	       (gd->ram_size == 0x40000000) ? "1GB" : "512MB", it);
+	return 0;
+}
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+int ft_board_setup(void *blob, bd_t *bd)
+{
+	return ft_common_board_setup(blob, bd);
+}
+#endif
+
+#ifdef CONFIG_CMD_BMODE
+static const struct boot_mode board_boot_modes[] = {
+	/* 4-bit bus width */
+	{"mmc",	MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)},
+	{"sd",	MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
+	{NULL,	0},
+};
+#endif
+
+int misc_init_r(void)
+{
+#ifdef CONFIG_CMD_BMODE
+	add_board_boot_modes(board_boot_modes);
+#endif
+	return 0;
+}
+
+#ifdef CONFIG_LDO_BYPASS_CHECK
+/* TODO, use external pmic, for now always ldo_enable */
+void ldo_mode_set(int ldo_bypass)
+{
+	return;
+}
+#endif
+
+#ifdef CONFIG_SPL_BUILD
+#include <spl.h>
+#include <libfdt.h>
+#include "asm/arch/mx6q-ddr.h"
+#include "asm/arch/iomux.h"
+#include "asm/arch/crm_regs.h"
+
+static int mx6_com_dcd_table[] = {
+/* ddr-setup.cfg */
+MX6_IOM_DRAM_SDQS0, 0x00000030,
+MX6_IOM_DRAM_SDQS1, 0x00000030,
+MX6_IOM_DRAM_SDQS2, 0x00000030,
+MX6_IOM_DRAM_SDQS3, 0x00000030,
+MX6_IOM_DRAM_SDQS4, 0x00000030,
+MX6_IOM_DRAM_SDQS5, 0x00000030,
+MX6_IOM_DRAM_SDQS6, 0x00000030,
+MX6_IOM_DRAM_SDQS7, 0x00000030,
+
+MX6_IOM_GRP_B0DS, 0x00000030,
+MX6_IOM_GRP_B1DS, 0x00000030,
+MX6_IOM_GRP_B2DS, 0x00000030,
+MX6_IOM_GRP_B3DS, 0x00000030,
+MX6_IOM_GRP_B4DS, 0x00000030,
+MX6_IOM_GRP_B5DS, 0x00000030,
+MX6_IOM_GRP_B6DS, 0x00000030,
+MX6_IOM_GRP_B7DS, 0x00000030,
+MX6_IOM_GRP_ADDDS, 0x00000030,
+/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
+MX6_IOM_GRP_CTLDS, 0x00000030,
+
+MX6_IOM_DRAM_DQM0, 0x00020030,
+MX6_IOM_DRAM_DQM1, 0x00020030,
+MX6_IOM_DRAM_DQM2, 0x00020030,
+MX6_IOM_DRAM_DQM3, 0x00020030,
+MX6_IOM_DRAM_DQM4, 0x00020030,
+MX6_IOM_DRAM_DQM5, 0x00020030,
+MX6_IOM_DRAM_DQM6, 0x00020030,
+MX6_IOM_DRAM_DQM7, 0x00020030,
+
+MX6_IOM_DRAM_CAS, 0x00020030,
+MX6_IOM_DRAM_RAS, 0x00020030,
+MX6_IOM_DRAM_SDCLK_0, 0x00020030,
+MX6_IOM_DRAM_SDCLK_1, 0x00020030,
+
+MX6_IOM_DRAM_RESET, 0x00020030,
+MX6_IOM_DRAM_SDCKE0, 0x00003000,
+MX6_IOM_DRAM_SDCKE1, 0x00003000,
+
+MX6_IOM_DRAM_SDODT0, 0x00003030,
+MX6_IOM_DRAM_SDODT1, 0x00003030,
+
+/* (differential input) */
+MX6_IOM_DDRMODE_CTL, 0x00020000,
+/* (differential input) */
+MX6_IOM_GRP_DDRMODE, 0x00020000,
+/* disable ddr pullups */
+MX6_IOM_GRP_DDRPKE, 0x00000000,
+MX6_IOM_DRAM_SDBA2, 0x00000000,
+/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
+MX6_IOM_GRP_DDR_TYPE, 0x000C0000,
+
+/* Read data DQ Byte0-3 delay */
+MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333,
+MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333,
+MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333,
+MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333,
+MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333,
+MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333,
+MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333,
+MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333,
+
+/*
+ * MDMISC	mirroring	interleaved (row/bank/col)
+ */
+MX6_MMDC_P0_MDMISC, 0x00081740,
+
+/*
+ * MDSCR	con_req
+ */
+MX6_MMDC_P0_MDSCR, 0x00008000,
+
+/* 1066mhz_4x128mx16.cfg */
+
+MX6_MMDC_P0_MDPDC, 0x00020036,
+MX6_MMDC_P0_MDCFG0, 0x555A7954,
+MX6_MMDC_P0_MDCFG1, 0xDB328F64,
+MX6_MMDC_P0_MDCFG2, 0x01FF00DB,
+MX6_MMDC_P0_MDRWD, 0x000026D2,
+MX6_MMDC_P0_MDOR, 0x005A1023,
+MX6_MMDC_P0_MDOTC, 0x09555050,
+MX6_MMDC_P0_MDPDC, 0x00025576,
+MX6_MMDC_P0_MDASP, 0x00000027,
+MX6_MMDC_P0_MDCTL, 0x831A0000,
+MX6_MMDC_P0_MDSCR, 0x04088032,
+MX6_MMDC_P0_MDSCR, 0x00008033,
+MX6_MMDC_P0_MDSCR, 0x00428031,
+MX6_MMDC_P0_MDSCR, 0x19308030,
+MX6_MMDC_P0_MDSCR, 0x04008040,
+MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003,
+MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003,
+MX6_MMDC_P0_MDREF, 0x00005800,
+MX6_MMDC_P0_MPODTCTRL, 0x00000000,
+MX6_MMDC_P1_MPODTCTRL, 0x00000000,
+
+MX6_MMDC_P0_MPDGCTRL0, 0x432A0338,
+MX6_MMDC_P0_MPDGCTRL1, 0x03260324,
+MX6_MMDC_P1_MPDGCTRL0, 0x43340344,
+MX6_MMDC_P1_MPDGCTRL1, 0x031E027C,
+
+MX6_MMDC_P0_MPRDDLCTL, 0x33272D2E,
+MX6_MMDC_P1_MPRDDLCTL, 0x2F312B37,
+
+MX6_MMDC_P0_MPWRDLCTL, 0x3A35433C,
+MX6_MMDC_P1_MPWRDLCTL, 0x4336453F,
+
+MX6_MMDC_P0_MPWLDECTRL0, 0x0009000E,
+MX6_MMDC_P0_MPWLDECTRL1, 0x0018000B,
+MX6_MMDC_P1_MPWLDECTRL0, 0x00060015,
+MX6_MMDC_P1_MPWLDECTRL1, 0x0006000E,
+
+MX6_MMDC_P0_MPMUR0, 0x00000800,
+MX6_MMDC_P1_MPMUR0, 0x00000800,
+MX6_MMDC_P0_MDSCR, 0x00000000,
+MX6_MMDC_P0_MAPSR, 0x00011006,
+};
+
+static int mx6_it_dcd_table[] = {
+/* ddr-setup.cfg */
+MX6_IOM_DRAM_SDQS0, 0x00000030,
+MX6_IOM_DRAM_SDQS1, 0x00000030,
+MX6_IOM_DRAM_SDQS2, 0x00000030,
+MX6_IOM_DRAM_SDQS3, 0x00000030,
+MX6_IOM_DRAM_SDQS4, 0x00000030,
+MX6_IOM_DRAM_SDQS5, 0x00000030,
+MX6_IOM_DRAM_SDQS6, 0x00000030,
+MX6_IOM_DRAM_SDQS7, 0x00000030,
+
+MX6_IOM_GRP_B0DS, 0x00000030,
+MX6_IOM_GRP_B1DS, 0x00000030,
+MX6_IOM_GRP_B2DS, 0x00000030,
+MX6_IOM_GRP_B3DS, 0x00000030,
+MX6_IOM_GRP_B4DS, 0x00000030,
+MX6_IOM_GRP_B5DS, 0x00000030,
+MX6_IOM_GRP_B6DS, 0x00000030,
+MX6_IOM_GRP_B7DS, 0x00000030,
+MX6_IOM_GRP_ADDDS, 0x00000030,
+/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
+MX6_IOM_GRP_CTLDS, 0x00000030,
+
+MX6_IOM_DRAM_DQM0, 0x00020030,
+MX6_IOM_DRAM_DQM1, 0x00020030,
+MX6_IOM_DRAM_DQM2, 0x00020030,
+MX6_IOM_DRAM_DQM3, 0x00020030,
+MX6_IOM_DRAM_DQM4, 0x00020030,
+MX6_IOM_DRAM_DQM5, 0x00020030,
+MX6_IOM_DRAM_DQM6, 0x00020030,
+MX6_IOM_DRAM_DQM7, 0x00020030,
+
+MX6_IOM_DRAM_CAS, 0x00020030,
+MX6_IOM_DRAM_RAS, 0x00020030,
+MX6_IOM_DRAM_SDCLK_0, 0x00020030,
+MX6_IOM_DRAM_SDCLK_1, 0x00020030,
+
+MX6_IOM_DRAM_RESET, 0x00020030,
+MX6_IOM_DRAM_SDCKE0, 0x00003000,
+MX6_IOM_DRAM_SDCKE1, 0x00003000,
+
+MX6_IOM_DRAM_SDODT0, 0x00003030,
+MX6_IOM_DRAM_SDODT1, 0x00003030,
+
+/* (differential input) */
+MX6_IOM_DDRMODE_CTL, 0x00020000,
+/* (differential input) */
+MX6_IOM_GRP_DDRMODE, 0x00020000,
+/* disable ddr pullups */
+MX6_IOM_GRP_DDRPKE, 0x00000000,
+MX6_IOM_DRAM_SDBA2, 0x00000000,
+/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
+MX6_IOM_GRP_DDR_TYPE, 0x000C0000,
+
+/* Read data DQ Byte0-3 delay */
+MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333,
+MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333,
+MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333,
+MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333,
+MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333,
+MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333,
+MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333,
+MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333,
+
+/*
+ * MDMISC	mirroring	interleaved (row/bank/col)
+ */
+MX6_MMDC_P0_MDMISC, 0x00081740,
+
+/*
+ * MDSCR	con_req
+ */
+MX6_MMDC_P0_MDSCR, 0x00008000,
+
+/* 1066mhz_4x256mx16.cfg */
+
+MX6_MMDC_P0_MDPDC, 0x00020036,
+MX6_MMDC_P0_MDCFG0, 0x898E78f5,
+MX6_MMDC_P0_MDCFG1, 0xff328f64,
+MX6_MMDC_P0_MDCFG2, 0x01FF00DB,
+MX6_MMDC_P0_MDRWD, 0x000026D2,
+MX6_MMDC_P0_MDOR, 0x008E1023,
+MX6_MMDC_P0_MDOTC, 0x09444040,
+MX6_MMDC_P0_MDPDC, 0x00025576,
+MX6_MMDC_P0_MDASP, 0x00000047,
+MX6_MMDC_P0_MDCTL, 0x841A0000,
+MX6_MMDC_P0_MDSCR, 0x02888032,
+MX6_MMDC_P0_MDSCR, 0x00008033,
+MX6_MMDC_P0_MDSCR, 0x00048031,
+MX6_MMDC_P0_MDSCR, 0x19408030,
+MX6_MMDC_P0_MDSCR, 0x04008040,
+MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003,
+MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003,
+MX6_MMDC_P0_MDREF, 0x00007800,
+MX6_MMDC_P0_MPODTCTRL, 0x00022227,
+MX6_MMDC_P1_MPODTCTRL, 0x00022227,
+
+MX6_MMDC_P0_MPDGCTRL0, 0x03300338,
+MX6_MMDC_P0_MPDGCTRL1, 0x03240324,
+MX6_MMDC_P1_MPDGCTRL0, 0x03440350,
+MX6_MMDC_P1_MPDGCTRL1, 0x032C0308,
+
+MX6_MMDC_P0_MPRDDLCTL, 0x40363C3E,
+MX6_MMDC_P1_MPRDDLCTL, 0x3C3E3C46,
+
+MX6_MMDC_P0_MPWRDLCTL, 0x403E463E,
+MX6_MMDC_P1_MPWRDLCTL, 0x4A384C46,
+
+MX6_MMDC_P0_MPWLDECTRL0, 0x0009000E,
+MX6_MMDC_P0_MPWLDECTRL1, 0x0018000B,
+MX6_MMDC_P1_MPWLDECTRL0, 0x00060015,
+MX6_MMDC_P1_MPWLDECTRL1, 0x0006000E,
+
+MX6_MMDC_P0_MPMUR0, 0x00000800,
+MX6_MMDC_P1_MPMUR0, 0x00000800,
+MX6_MMDC_P0_MDSCR, 0x00000000,
+MX6_MMDC_P0_MAPSR, 0x00011006,
+};
+
+
+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(0x0FFFFFF3, &ccm->CCGR2);
+	writel(0x3FF0300F, &ccm->CCGR3);
+	writel(0x00FFF300, &ccm->CCGR4);
+	writel(0x0F0000F3, &ccm->CCGR5);
+	writel(0x000003FF, &ccm->CCGR6);
+
+/*
+ * Setup CCM_CCOSR register as follows:
+ *
+ * cko1_en  = 1	   --> CKO1 enabled
+ * cko1_div = 111  --> divide by 8
+ * cko1_sel = 1011 --> ahb_clk_root
+ *
+ * This sets CKO1 at ahb_clk_root/8 = 132/8 = 16.5 MHz
+ */
+	writel(0x000000FB, &ccm->ccosr);
+}
+
+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 ddr_init(int *table, int size)
+{
+	int i;
+
+	for (i = 0; i < size / 2 ; i++)
+		writel(table[2 * i + 1], table[2 * i]);
+}
+
+static void spl_dram_init(void)
+{
+	int minc, maxc;
+
+	switch (get_cpu_temp_grade(&minc, &maxc)) {
+	case TEMP_COMMERCIAL:
+	case TEMP_EXTCOMMERCIAL:
+		puts("Commercial temperature grade DDR3 timings.\n");
+		ddr_init(mx6_com_dcd_table, ARRAY_SIZE(mx6_com_dcd_table));
+		break;
+	case TEMP_INDUSTRIAL:
+	case TEMP_AUTOMOTIVE:
+	default:
+		puts("Industrial temperature grade DDR3 timings.\n");
+		ddr_init(mx6_it_dcd_table, ARRAY_SIZE(mx6_it_dcd_table));
+		break;
+	};
+	udelay(100);
+}
+
+void board_init_f(ulong dummy)
+{
+	/* setup AIPS and disable watchdog */
+	arch_cpu_init();
+
+	ccgr_init();
+	gpr_init();
+
+	/* iomux and setup of i2c */
+	board_early_init_f();
+
+	/* setup GP timer */
+	timer_init();
+
+	/* UART clocks enabled and gd valid - init serial console */
+	preloader_console_init();
+
+#ifndef CONFIG_TDX_APALIS_IMX6_V1_0
+	/* Make sure we use dte mode */
+	setup_dtemode_uart();
+#endif
+
+	/* 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);
+}
+
+void reset_cpu(ulong addr)
+{
+}
+
+#endif
+
+static struct mxc_serial_platdata mxc_serial_plat = {
+	.reg = (struct mxc_uart *)UART1_BASE,
+	.use_dte = true,
+};
+
+U_BOOT_DEVICE(mxc_serial) = {
+	.name = "serial_mxc",
+	.platdata = &mxc_serial_plat,
+};