imx: mx7dsabresd: Add support for MX7D SABRESD board

* Add i.MX7D SABRESD target board support with enabled modules:
  UART, PMIC, USB/OTG, SD, eMMC, ENET, I2C, 74LV IOX.

  Build target: mx7dsabresd_config

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Ye.Li <B37916@freescale.com>
Signed-off-by: Adrian Alonso <aalonso@freescale.com>

11 files changed, 1014 insertions, 0 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 57c48d5bb76..c4371c71733 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -442,6 +442,10 @@ config ARCH_KEYSTONE
 	select CPU_V7
 	select SUPPORT_SPL
 
+config ARCH_MX7
+	bool "Freescale MX7"
+	select CPU_V7
+
 config ARCH_MX6
 	bool "Freescale MX6"
 	select CPU_V7
@@ -665,6 +669,8 @@ source "arch/arm/mach-keystone/Kconfig"
 
 source "arch/arm/mach-kirkwood/Kconfig"
 
+source "arch/arm/cpu/armv7/mx7/Kconfig"
+
 source "arch/arm/cpu/armv7/mx6/Kconfig"
 
 source "arch/arm/cpu/armv7/mx5/Kconfig"
diff --git a/arch/arm/cpu/armv7/mx7/Kconfig b/arch/arm/cpu/armv7/mx7/Kconfig
new file mode 100644
index 00000000000..892ffae3095
--- /dev/null
+++ b/arch/arm/cpu/armv7/mx7/Kconfig
@@ -0,0 +1,27 @@
+if ARCH_MX7
+
+config MX7
+	bool
+	default y
+
+config MX7D
+	bool
+
+choice
+	prompt "MX7 board select"
+	optional
+
+config TARGET_MX7DSABRESD
+	bool "mx7dsabresd"
+	select CPU_V7
+	select DM
+	select DM_THERMAL
+
+endchoice
+
+config SYS_SOC
+	default "mx7"
+
+source "board/freescale/mx7dsabresd/Kconfig"
+
+endif
diff --git a/arch/arm/include/asm/arch-mx7/sys_proto.h b/arch/arm/include/asm/arch-mx7/sys_proto.h
index f19684b0248..ca7608bd56b 100644
--- a/arch/arm/include/asm/arch-mx7/sys_proto.h
+++ b/arch/arm/include/asm/arch-mx7/sys_proto.h
@@ -5,3 +5,5 @@
  */
 
 #include <asm/imx-common/sys_proto.h>
+
+void set_wdog_reset(struct wdog_regs *wdog);
diff --git a/board/freescale/mx7dsabresd/Kconfig b/board/freescale/mx7dsabresd/Kconfig
new file mode 100644
index 00000000000..d7c6ae41fd0
--- /dev/null
+++ b/board/freescale/mx7dsabresd/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_MX7DSABRESD
+
+config SYS_BOARD
+	default "mx7dsabresd"
+
+config SYS_VENDOR
+	default "freescale"
+
+config SYS_SOC
+	default "mx7"
+
+config SYS_CONFIG_NAME
+	default "mx7dsabresd"
+
+endif
diff --git a/board/freescale/mx7dsabresd/MAINTAINERS b/board/freescale/mx7dsabresd/MAINTAINERS
new file mode 100644
index 00000000000..3910ee45248
--- /dev/null
+++ b/board/freescale/mx7dsabresd/MAINTAINERS
@@ -0,0 +1,6 @@
+MX7DSABRESD BOARD
+M:	Adrian Alonso <aalonso@freescale.com>
+S:	Maintained
+F:	board/freescale/mx7dsabresd
+F:	include/configs/mx7dsabresd.h
+F:	configs/mx7dsabresd_defconfig
diff --git a/board/freescale/mx7dsabresd/Makefile b/board/freescale/mx7dsabresd/Makefile
new file mode 100644
index 00000000000..14336ab8546
--- /dev/null
+++ b/board/freescale/mx7dsabresd/Makefile
@@ -0,0 +1,6 @@
+# (C) Copyright 2015 Freescale Semiconductor, Inc.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y  := mx7dsabresd.o
diff --git a/board/freescale/mx7dsabresd/imximage.cfg b/board/freescale/mx7dsabresd/imximage.cfg
new file mode 100644
index 00000000000..91b70ee4c81
--- /dev/null
+++ b/board/freescale/mx7dsabresd/imximage.cfg
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * Refer docs/README.imxmage for more details about how-to configure
+ * and create imximage boot image
+ *
+ * The syntax is taken as close as possible with the kwbimage
+ */
+
+#define __ASSEMBLY__
+#include <config.h>
+
+/* image version */
+
+IMAGE_VERSION 2
+
+/*
+ * Boot Device : sd
+ */
+
+BOOT_FROM	sd
+
+/*
+ * Device Configuration Data (DCD)
+ *
+ * Each entry must have the format:
+ * Addr-type           Address        Value
+ *
+ * where:
+ *	Addr-type register length (1,2 or 4 bytes)
+ *	Address	  absolute address of the register
+ *	value	  value to be stored in the register
+ */
+
+DATA 4 0x30340004 0x4F400005
+
+DATA 4 0x30391000 0x00000002
+DATA 4 0x307a0000 0x01040001
+DATA 4 0x307a01a0 0x80400003
+DATA 4 0x307a01a4 0x00100020
+DATA 4 0x307a01a8 0x80100004
+DATA 4 0x307a0064 0x00400046
+DATA 4 0x307a0490 0x00000001
+DATA 4 0x307a00d0 0x00020083
+DATA 4 0x307a00d4 0x00690000
+DATA 4 0x307a00dc 0x09300004
+DATA 4 0x307a00e0 0x04080000
+DATA 4 0x307a00e4 0x00100004
+DATA 4 0x307a00f4 0x0000033f
+DATA 4 0x307a0100 0x09081109
+DATA 4 0x307a0104 0x0007020d
+DATA 4 0x307a0108 0x03040407
+DATA 4 0x307a010c 0x00002006
+DATA 4 0x307a0110 0x04020205
+DATA 4 0x307a0114 0x03030202
+DATA 4 0x307a0120 0x00000803
+DATA 4 0x307a0180 0x00800020
+DATA 4 0x307a0184 0x02000100
+DATA 4 0x307a0190 0x02098204
+DATA 4 0x307a0194 0x00030303
+DATA 4 0x307a0200 0x00000016
+DATA 4 0x307a0204 0x00171717
+DATA 4 0x307a0214 0x04040404
+DATA 4 0x307a0218 0x0f040404
+DATA 4 0x307a0240 0x06000604
+DATA 4 0x307a0244 0x00000001
+DATA 4 0x30391000 0x00000000
+DATA 4 0x30790000 0x17420f40
+DATA 4 0x30790004 0x10210100
+DATA 4 0x30790010 0x00060807
+DATA 4 0x307900b0 0x1010007e
+DATA 4 0x3079009c 0x00000d6e
+DATA 4 0x30790020 0x08080808
+DATA 4 0x30790030 0x08080808
+DATA 4 0x30790050 0x01000010
+DATA 4 0x30790050 0x00000010
+
+DATA 4 0x307900c0 0x0e407304
+DATA 4 0x307900c0 0x0e447304
+DATA 4 0x307900c0 0x0e447306
+
+CHECK_BITS_SET 4 0x307900c4 0x1
+
+DATA 4 0x307900c0 0x0e447304
+DATA 4 0x307900c0 0x0e407304
+
+DATA 4 0x30384130 0x00000000
+DATA 4 0x30340020 0x00000178
+DATA 4 0x30384130 0x00000002
+DATA 4 0x30790018 0x0000000f
+
+CHECK_BITS_SET 4 0x307a0004 0x1
diff --git a/board/freescale/mx7dsabresd/mx7dsabresd.c b/board/freescale/mx7dsabresd/mx7dsabresd.c
new file mode 100644
index 00000000000..d163bee20f7
--- /dev/null
+++ b/board/freescale/mx7dsabresd/mx7dsabresd.c
@@ -0,0 +1,555 @@
+/*
+ * Copyright (C) 2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx7-pins.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+#include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/boot_mode.h>
+#include <asm/io.h>
+#include <linux/sizes.h>
+#include <common.h>
+#include <fsl_esdhc.h>
+#include <mmc.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <power/pmic.h>
+#include <power/pfuze3000_pmic.h>
+#include "../common/pfuze.h"
+#include <i2c.h>
+#include <asm/imx-common/mxc_i2c.h>
+#include <asm/arch/crm_regs.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL  (PAD_CTL_DSE_3P3V_49OHM | \
+	PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS)
+
+#define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
+	PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM)
+
+#define ENET_PAD_CTRL  (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM)
+#define ENET_PAD_CTRL_MII  (PAD_CTL_DSE_3P3V_32OHM)
+
+#define ENET_RX_PAD_CTRL  (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM)
+
+#define I2C_PAD_CTRL    (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
+	PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM)
+
+#ifdef CONFIG_SYS_I2C_MXC
+#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
+/* I2C1 for PMIC */
+struct i2c_pads_info i2c_pad_info1 = {
+	.scl = {
+		.i2c_mode = MX7D_PAD_I2C1_SCL__I2C1_SCL | PC,
+		.gpio_mode = MX7D_PAD_I2C1_SCL__GPIO4_IO8 | PC,
+		.gp = IMX_GPIO_NR(4, 8),
+	},
+	.sda = {
+		.i2c_mode = MX7D_PAD_I2C1_SDA__I2C1_SDA | PC,
+		.gpio_mode = MX7D_PAD_I2C1_SDA__GPIO4_IO9 | PC,
+		.gp = IMX_GPIO_NR(4, 9),
+	},
+};
+#endif
+
+int dram_init(void)
+{
+	gd->ram_size = PHYS_SDRAM_SIZE;
+
+	return 0;
+}
+
+static iomux_v3_cfg_t const wdog_pads[] = {
+	MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const uart1_pads[] = {
+	MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
+	MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const usdhc1_pads[] = {
+	MX7D_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD1_DATA0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD1_DATA1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD1_DATA2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD1_DATA3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+
+	MX7D_PAD_SD1_CD_B__GPIO5_IO0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD1_RESET_B__GPIO5_IO2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const usdhc3_emmc_pads[] = {
+	MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_STROBE__SD3_STROBE	 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+
+	MX7D_PAD_SD3_RESET_B__GPIO6_IO11 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+};
+
+#define IOX_SDI IMX_GPIO_NR(1, 9)
+#define IOX_STCP IMX_GPIO_NR(1, 12)
+#define IOX_SHCP IMX_GPIO_NR(1, 13)
+
+static iomux_v3_cfg_t const iox_pads[] = {
+	/* IOX_SDI */
+	MX7D_PAD_GPIO1_IO09__GPIO1_IO9	| MUX_PAD_CTRL(NO_PAD_CTRL),
+	/* IOX_STCP */
+	MX7D_PAD_GPIO1_IO12__GPIO1_IO12	| MUX_PAD_CTRL(NO_PAD_CTRL),
+	/* IOX_SHCP */
+	MX7D_PAD_GPIO1_IO13__GPIO1_IO13	| MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+/*
+ * PCIE_DIS_B --> Q0
+ * PCIE_RST_B --> Q1
+ * HDMI_RST_B --> Q2
+ * PERI_RST_B --> Q3
+ * SENSOR_RST_B --> Q4
+ * ENET_RST_B --> Q5
+ * PERI_3V3_EN --> Q6
+ * LCD_PWR_EN --> Q7
+ */
+enum qn {
+	PCIE_DIS_B,
+	PCIE_RST_B,
+	HDMI_RST_B,
+	PERI_RST_B,
+	SENSOR_RST_B,
+	ENET_RST_B,
+	PERI_3V3_EN,
+	LCD_PWR_EN,
+};
+
+enum qn_func {
+	qn_reset,
+	qn_enable,
+	qn_disable,
+};
+
+enum qn_level {
+	qn_low = 0,
+	qn_high = 1,
+};
+
+static enum qn_level seq[3][2] = {
+	{0, 1}, {1, 1}, {0, 0}
+};
+
+static enum qn_func qn_output[8] = {
+	qn_disable, qn_reset, qn_reset, qn_reset, qn_reset, qn_reset, qn_enable,
+	qn_enable
+};
+
+void iox74lv_init(void)
+{
+	int i;
+
+	for (i = 7; i >= 0; i--) {
+		gpio_direction_output(IOX_SHCP, 0);
+		gpio_direction_output(IOX_SDI, seq[qn_output[i]][0]);
+		udelay(500);
+		gpio_direction_output(IOX_SHCP, 1);
+		udelay(500);
+	}
+
+	gpio_direction_output(IOX_STCP, 0);
+	udelay(500);
+	/*
+	  * shift register will be output to pins
+	  */
+	gpio_direction_output(IOX_STCP, 1);
+
+	for (i = 7; i >= 0; i--) {
+		gpio_direction_output(IOX_SHCP, 0);
+		gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]);
+		udelay(500);
+		gpio_direction_output(IOX_SHCP, 1);
+		udelay(500);
+	}
+	gpio_direction_output(IOX_STCP, 0);
+	udelay(500);
+	/*
+	  * shift register will be output to pins
+	  */
+	gpio_direction_output(IOX_STCP, 1);
+};
+
+void iox74lv_set(int index)
+{
+	int i;
+	for (i = 7; i >= 0; i--) {
+		gpio_direction_output(IOX_SHCP, 0);
+
+		if (i == index)
+			gpio_direction_output(IOX_SDI, seq[qn_output[i]][0]);
+		else
+			gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]);
+		udelay(500);
+		gpio_direction_output(IOX_SHCP, 1);
+		udelay(500);
+	}
+
+	gpio_direction_output(IOX_STCP, 0);
+	udelay(500);
+	/*
+	  * shift register will be output to pins
+	  */
+	gpio_direction_output(IOX_STCP, 1);
+
+	for (i = 7; i >= 0; i--) {
+		gpio_direction_output(IOX_SHCP, 0);
+		gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]);
+		udelay(500);
+		gpio_direction_output(IOX_SHCP, 1);
+		udelay(500);
+	}
+
+	gpio_direction_output(IOX_STCP, 0);
+	udelay(500);
+	/*
+	  * shift register will be output to pins
+	  */
+	gpio_direction_output(IOX_STCP, 1);
+};
+
+#ifdef CONFIG_FEC_MXC
+static iomux_v3_cfg_t const fec1_pads[] = {
+	MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_GPIO1_IO10__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
+	MX7D_PAD_GPIO1_IO11__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
+};
+
+static void setup_iomux_fec(void)
+{
+	imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads));
+}
+#endif
+
+static void setup_iomux_uart(void)
+{
+	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
+}
+
+#ifdef CONFIG_FSL_ESDHC
+
+#define USDHC1_CD_GPIO	IMX_GPIO_NR(5, 0)
+#define USDHC1_PWR_GPIO	IMX_GPIO_NR(5, 2)
+#define USDHC3_PWR_GPIO IMX_GPIO_NR(6, 11)
+
+static struct fsl_esdhc_cfg usdhc_cfg[3] = {
+	{USDHC1_BASE_ADDR, 0, 4},
+	{USDHC3_BASE_ADDR},
+};
+
+static int mmc_get_env_devno(void)
+{
+	struct bootrom_sw_info **p =
+		(struct bootrom_sw_info **)ROM_SW_INFO_ADDR;
+
+	u8 boot_type = (*p)->boot_dev_type;
+	u8 dev_no = (*p)->boot_dev_instance;
+
+	/* If not boot from sd/mmc, use default value */
+	if ((boot_type != BOOT_TYPE_SD) && (boot_type != BOOT_TYPE_MMC))
+		return CONFIG_SYS_MMC_ENV_DEV;
+
+	if (dev_no == 2)
+		dev_no--;
+
+	return dev_no;
+}
+
+static int mmc_map_to_kernel_blk(int dev_no)
+{
+	if (dev_no == 1)
+		dev_no++;
+
+	return dev_no;
+}
+
+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 USDHC1_BASE_ADDR:
+		ret = !gpio_get_value(USDHC1_CD_GPIO);
+		break;
+	case USDHC3_BASE_ADDR:
+		ret = 1; /* Assume uSDHC3 emmc is always present */
+		break;
+	}
+
+	return ret;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+	int i, ret;
+	/*
+	 * According to the board_mmc_init() the following map is done:
+	 * (U-boot device node)    (Physical Port)
+	 * mmc0                    USDHC1
+	 * mmc2                    USDHC3 (eMMC)
+	 */
+	for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
+		switch (i) {
+		case 0:
+			imx_iomux_v3_setup_multiple_pads(
+				usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
+			gpio_request(USDHC1_CD_GPIO, "usdhc1_cd");
+			gpio_direction_input(USDHC1_CD_GPIO);
+			gpio_request(USDHC1_PWR_GPIO, "usdhc1_pwr");
+			gpio_direction_output(USDHC1_PWR_GPIO, 0);
+			udelay(500);
+			gpio_direction_output(USDHC1_PWR_GPIO, 1);
+			usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+			break;
+		case 1:
+			imx_iomux_v3_setup_multiple_pads(
+				usdhc3_emmc_pads, ARRAY_SIZE(usdhc3_emmc_pads));
+			gpio_request(USDHC3_PWR_GPIO, "usdhc3_pwr");
+			gpio_direction_output(USDHC3_PWR_GPIO, 0);
+			udelay(500);
+			gpio_direction_output(USDHC3_PWR_GPIO, 1);
+			usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+			break;
+		default:
+			printf("Warning: you configured more USDHC controllers"
+				"(%d) than supported by the board\n", i + 1);
+			return -EINVAL;
+			}
+
+			ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
+			if (ret)
+				return ret;
+	}
+
+	return 0;
+}
+
+static int check_mmc_autodetect(void)
+{
+	char *autodetect_str = getenv("mmcautodetect");
+
+	if ((autodetect_str != NULL) &&
+		(strcmp(autodetect_str, "yes") == 0)) {
+		return 1;
+	}
+
+	return 0;
+}
+
+static void mmc_late_init(void)
+{
+	char cmd[32];
+	char mmcblk[32];
+	u32 dev_no = mmc_get_env_devno();
+
+	if (!check_mmc_autodetect())
+		return;
+
+	setenv_ulong("mmcdev", dev_no);
+
+	/* Set mmcblk env */
+	sprintf(mmcblk, "/dev/mmcblk%dp2 rootwait rw",
+		mmc_map_to_kernel_blk(dev_no));
+	setenv("mmcroot", mmcblk);
+
+	sprintf(cmd, "mmc dev %d", dev_no);
+	run_command(cmd, 0);
+}
+
+#endif
+
+#ifdef CONFIG_FEC_MXC
+int board_eth_init(bd_t *bis)
+{
+	int ret;
+
+	setup_iomux_fec();
+
+	ret = fecmxc_initialize_multi(bis, 0,
+		CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
+	if (ret)
+		printf("FEC1 MXC: %s:failed\n", __func__);
+
+	return ret;
+}
+
+static int setup_fec(void)
+{
+	struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs
+		= (struct iomuxc_gpr_base_regs *) IOMUXC_GPR_BASE_ADDR;
+
+	/* Use 125M anatop REF_CLK1 for ENET1, clear gpr1[13], gpr1[17]*/
+	clrsetbits_le32(&iomuxc_gpr_regs->gpr[1],
+		(IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK |
+		 IOMUXC_GPR_GPR1_GPR_ENET1_CLK_DIR_MASK), 0);
+
+	return set_clk_enet(ENET_125MHz);
+}
+
+
+int board_phy_config(struct phy_device *phydev)
+{
+	/* enable rgmii rxc skew and phy mode select to RGMII copper */
+	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x21);
+	phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x7ea8);
+	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x2f);
+	phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x71b7);
+
+	if (phydev->drv->config)
+		phydev->drv->config(phydev);
+	return 0;
+}
+#endif
+
+int board_early_init_f(void)
+{
+	setup_iomux_uart();
+
+	setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+	imx_iomux_v3_setup_multiple_pads(iox_pads, ARRAY_SIZE(iox_pads));
+
+	iox74lv_init();
+
+#ifdef CONFIG_FEC_MXC
+	setup_fec();
+#endif
+
+	return 0;
+}
+
+#ifdef CONFIG_CMD_BMODE
+static const struct boot_mode board_boot_modes[] = {
+	/* 4 bit bus width */
+	{"sd1", MAKE_CFGVAL(0x10, 0x10, 0x00, 0x00)},
+	{"emmc", MAKE_CFGVAL(0x10, 0x2a, 0x00, 0x00)},
+	{NULL,   0},
+};
+#endif
+
+#ifdef CONFIG_POWER
+#define I2C_PMIC	0
+int power_init_board(void)
+{
+	struct pmic *p;
+	int ret;
+	unsigned int reg, rev_id;
+
+	ret = power_pfuze3000_init(I2C_PMIC);
+	if (ret)
+		return ret;
+
+	p = pmic_get("PFUZE3000");
+	ret = pmic_probe(p);
+	if (ret)
+		return ret;
+
+	pmic_reg_read(p, PFUZE3000_DEVICEID, &reg);
+	pmic_reg_read(p, PFUZE3000_REVID, &rev_id);
+	printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id);
+
+	/* disable Low Power Mode during standby mode */
+	pmic_reg_read(p, PFUZE3000_LDOGCTL, &reg);
+	reg |= 0x1;
+	pmic_reg_write(p, PFUZE3000_LDOGCTL, reg);
+
+	return 0;
+}
+#endif
+
+int board_late_init(void)
+{
+#ifdef CONFIG_CMD_BMODE
+	add_board_boot_modes(board_boot_modes);
+#endif
+
+#ifdef CONFIG_ENV_IS_IN_MMC
+	mmc_late_init();
+#endif
+
+	imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
+
+	set_wdog_reset((struct wdog_regs *)WDOG1_BASE_ADDR);
+
+	return 0;
+}
+
+u32 get_board_rev(void)
+{
+	return get_cpu_rev();
+}
+
+int checkboard(void)
+{
+	puts("Board: i.MX7D SABRESD\n");
+
+	return 0;
+}
+
+#ifdef CONFIG_USB_EHCI_MX7
+iomux_v3_cfg_t const usb_otg1_pads[] = {
+	MX7D_PAD_GPIO1_IO05__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+iomux_v3_cfg_t const usb_otg2_pads[] = {
+	MX7D_PAD_UART3_CTS_B__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+int board_ehci_hcd_init(int port)
+{
+	switch (port) {
+	case 0:
+		imx_iomux_v3_setup_multiple_pads(usb_otg1_pads,
+						 ARRAY_SIZE(usb_otg1_pads));
+		break;
+	case 1:
+		imx_iomux_v3_setup_multiple_pads(usb_otg2_pads,
+						 ARRAY_SIZE(usb_otg2_pads));
+		break;
+	default:
+		printf("MXC USB port %d not yet supported\n", port);
+		return -EINVAL;
+	}
+	return 0;
+}
+#endif
diff --git a/configs/mx7dsabresd_defconfig b/configs/mx7dsabresd_defconfig
new file mode 100644
index 00000000000..bb954244829
--- /dev/null
+++ b/configs/mx7dsabresd_defconfig
@@ -0,0 +1,14 @@
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx7dsabresd/imximage.cfg,MX7D"
+CONFIG_ARM=y
+CONFIG_ARCH_MX7=y
+CONFIG_TARGET_MX7DSABRESD=y
+CONFIG_SYS_MALLOC_F=y
+CONFIG_SYS_MALLOC_F_LEN=0x400
+CONFIG_CMD_NET=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_DHCP=y
+# CONFIG_CMD_BOOTD is not set
+# CONFIG_CMD_SETEXPR is not set
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_XIMG is not set
diff --git a/include/configs/mx7_common.h b/include/configs/mx7_common.h
new file mode 100644
index 00000000000..ea2be496e05
--- /dev/null
+++ b/include/configs/mx7_common.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2015 Freescale Semiconductor, Inc.
+ *
+ * Configuration settings for the Freescale i.MX7.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __MX7_COMMON_H
+#define __MX7_COMMON_H
+
+#include <linux/sizes.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/imx-common/gpio.h>
+
+#ifndef CONFIG_MX7
+#define CONFIG_MX7
+#endif
+
+/* Timer settings */
+#define CONFIG_MXC_GPT_HCLK
+#define CONFIG_SYSCOUNTER_TIMER
+#define CONFIG_SC_TIMER_CLK 8000000 /* 8Mhz */
+
+/* Enable iomux-lpsr support */
+#define CONFIG_IOMUX_LPSR
+#define CONFIG_IMX_FIXED_IVT_OFFSET
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN           (32 * SZ_1M)
+
+#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_BOARD_LATE_INIT
+
+#define CONFIG_ROM_UNIFIED_SECTIONS
+#define CONFIG_SYS_GENERIC_BOARD
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+
+#define CONFIG_LOADADDR                 0x80800000
+#define CONFIG_SYS_TEXT_BASE            0x87800000
+
+#ifndef CONFIG_BOOTDELAY
+#define CONFIG_BOOTDELAY                3
+#endif
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_CONS_INDEX               1
+#define CONFIG_BAUDRATE                 115200
+
+/* Filesystems and image support */
+#define CONFIG_OF_LIBFDT
+#define CONFIG_CMD_BOOTZ
+#define CONFIG_DOS_PARTITION
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_EXT4
+#define CONFIG_CMD_EXT4_WRITE
+#define CONFIG_CMD_FAT
+
+/* Miscellaneous configurable options */
+#undef CONFIG_CMD_IMLS
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_CBSIZE		512
+#define CONFIG_SYS_MAXARGS		32
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+#define CONFIG_CMD_CACHE
+#endif
+
+/* GPIO */
+#define CONFIG_MXC_GPIO
+#define CONFIG_CMD_GPIO
+
+/* UART */
+#define CONFIG_MXC_UART
+#define CONFIG_MXC_UART_BASE            UART1_IPS_BASE_ADDR
+
+/* MMC */
+#define CONFIG_MMC
+#define CONFIG_CMD_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_BOUNCE_BUFFER
+#define CONFIG_FSL_ESDHC
+#define CONFIG_FSL_USDHC
+
+/* Fuses */
+#define CONFIG_CMD_FUSE
+#define CONFIG_MXC_OCOTP
+
+#endif
diff --git a/include/configs/mx7dsabresd.h b/include/configs/mx7dsabresd.h
new file mode 100644
index 00000000000..ec6e0a6d6bf
--- /dev/null
+++ b/include/configs/mx7dsabresd.h
@@ -0,0 +1,194 @@
+/*
+ * Copyright (C) 2015 Freescale Semiconductor, Inc.
+ *
+ * Configuration settings for the Freescale i.MX7D SABRESD board.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __MX7D_SABRESD_CONFIG_H
+#define __MX7D_SABRESD_CONFIG_H
+
+#include "mx7_common.h"
+
+#define CONFIG_DBG_MONITOR
+#define PHYS_SDRAM_SIZE			SZ_1G
+
+/* Network */
+#define CONFIG_CMD_MII
+#define CONFIG_FEC_MXC
+#define CONFIG_MII
+#define CONFIG_FEC_XCV_TYPE             RGMII
+#define CONFIG_ETHPRIME                 "FEC"
+#define CONFIG_FEC_MXC_PHYADDR          0
+
+#define CONFIG_PHYLIB
+#define CONFIG_PHY_BROADCOM
+#define CONFIG_FEC_DMA_MINALIGN		64
+/* ENET1 */
+#define IMX_FEC_BASE			ENET_IPS_BASE_ADDR
+
+/* MMC Config*/
+#define CONFIG_SYS_FSL_ESDHC_ADDR       0
+
+/* PMIC */
+#define CONFIG_POWER
+#define CONFIG_POWER_I2C
+#define CONFIG_POWER_PFUZE3000
+#define CONFIG_POWER_PFUZE3000_I2C_ADDR	0x08
+
+#undef CONFIG_BOOTM_NETBSD
+#undef CONFIG_BOOTM_PLAN9
+#undef CONFIG_BOOTM_RTEMS
+
+#undef CONFIG_CMD_EXPORTENV
+#undef CONFIG_CMD_IMPORTENV
+
+/* I2C configs */
+#define CONFIG_CMD_I2C
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_MXC
+#define CONFIG_SYS_I2C_MXC_I2C1
+#define CONFIG_SYS_I2C_SPEED		100000
+
+#define CONFIG_SUPPORT_EMMC_BOOT	/* eMMC specific */
+#define CONFIG_SYS_MMC_IMG_LOAD_PART	1
+
+#define CONFIG_MFG_ENV_SETTINGS \
+	"mfgtool_args=setenv bootargs console=${console},${baudrate} " \
+		"rdinit=/linuxrc " \
+		"g_mass_storage.stall=0 g_mass_storage.removable=1 " \
+		"g_mass_storage.idVendor=0x066F g_mass_storage.idProduct=0x37FF "\
+		"g_mass_storage.iSerialNumber=\"\" "\
+		"clk_ignore_unused "\
+		"\0" \
+	"initrd_addr=0x83800000\0" \
+	"initrd_high=0xffffffff\0" \
+	"bootcmd_mfg=run mfgtool_args;bootz ${loadaddr} ${initrd_addr} ${fdt_addr};\0" \
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	CONFIG_MFG_ENV_SETTINGS \
+	"script=boot.scr\0" \
+	"image=zImage\0" \
+	"console=ttymxc0\0" \
+	"fdt_high=0xffffffff\0" \
+	"initrd_high=0xffffffff\0" \
+	"fdt_file=imx7d-sdb.dtb\0" \
+	"fdt_addr=0x83000000\0" \
+	"boot_fdt=try\0" \
+	"ip_dyn=yes\0" \
+	"mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
+	"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
+	"mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
+	"mmcautodetect=yes\0" \
+	"mmcargs=setenv bootargs console=${console},${baudrate} " \
+		"root=${mmcroot}\0" \
+	"loadbootscript=" \
+		"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
+	"bootscript=echo Running bootscript from mmc ...; " \
+		"source\0" \
+	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
+	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
+	"mmcboot=echo Booting from mmc ...; " \
+		"run mmcargs; " \
+		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
+			"if run loadfdt; then " \
+				"bootz ${loadaddr} - ${fdt_addr}; " \
+			"else " \
+				"if test ${boot_fdt} = try; then " \
+					"bootz; " \
+				"else " \
+					"echo WARN: Cannot load the DT; " \
+				"fi; " \
+			"fi; " \
+		"else " \
+			"bootz; " \
+		"fi;\0" \
+	"netargs=setenv bootargs console=${console},${baudrate} " \
+		"root=/dev/nfs " \
+	"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
+		"netboot=echo Booting from net ...; " \
+		"run netargs; " \
+		"if test ${ip_dyn} = yes; then " \
+			"setenv get_cmd dhcp; " \
+		"else " \
+			"setenv get_cmd tftp; " \
+		"fi; " \
+		"${get_cmd} ${image}; " \
+		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
+			"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
+				"bootz ${loadaddr} - ${fdt_addr}; " \
+			"else " \
+				"if test ${boot_fdt} = try; then " \
+					"bootz; " \
+				"else " \
+					"echo WARN: Cannot load the DT; " \
+				"fi; " \
+			"fi; " \
+		"else " \
+			"bootz; " \
+		"fi;\0"
+
+#define CONFIG_BOOTCOMMAND \
+	   "mmc dev ${mmcdev};" \
+	   "mmc dev ${mmcdev}; if mmc rescan; then " \
+		   "if run loadbootscript; then " \
+			   "run bootscript; " \
+		   "else " \
+			   "if run loadimage; then " \
+				   "run mmcboot; " \
+			   "else run netboot; " \
+			   "fi; " \
+		   "fi; " \
+	   "else run netboot; fi"
+
+#define CONFIG_CMD_MEMTEST
+#define CONFIG_SYS_MEMTEST_START	0x80000000
+#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START + 0x20000000)
+
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
+#define CONFIG_SYS_HZ			1000
+
+#define CONFIG_STACKSIZE		SZ_128K
+
+/* Physical Memory Map */
+#define CONFIG_NR_DRAM_BANKS		1
+#define PHYS_SDRAM			MMDC0_ARB_BASE_ADDR
+
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM
+#define CONFIG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
+#define CONFIG_SYS_INIT_RAM_SIZE	IRAM_SIZE
+
+#define CONFIG_SYS_INIT_SP_OFFSET \
+	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR \
+	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+
+/* FLASH and environment organization */
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_ENV_SIZE			SZ_8K
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_ENV_OFFSET		(8 * SZ_64K)
+#define CONFIG_SYS_FSL_USDHC_NUM	2
+
+#define CONFIG_SYS_MMC_ENV_DEV		0   /* USDHC1 */
+#define CONFIG_SYS_MMC_ENV_PART		0	/* user area */
+#define CONFIG_MMCROOT			"/dev/mmcblk0p2"  /* USDHC1 */
+
+#define CONFIG_CMD_BMODE
+
+/* USB Configs */
+#define CONFIG_CMD_USB
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_MX7
+#define CONFIG_USB_STORAGE
+#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_ETHER_ASIX
+#define CONFIG_MXC_USB_PORTSC  (PORT_PTS_UTMI | PORT_PTS_PTW)
+#define CONFIG_MXC_USB_FLAGS   0
+#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
+
+#define CONFIG_IMX_THERMAL
+
+#endif	/* __CONFIG_H */