Merge branch 'master' of git://git.denx.de/u-boot-imx

arch/arm/cpu/armv7/mx6/clock.c

@@ -18,6 +18,8 @@ enum pll_clocks {
 	PLL_BUS,	/* System Bus PLL*/
 	PLL_USBOTG,	/* OTG USB PLL */
 	PLL_ENET,	/* ENET PLL */
+	PLL_AUDIO,	/* AUDIO PLL */
+	PLL_VIDEO,	/* AUDIO PLL */
 };
 
 struct mxc_ccm_reg *imx_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
@@ -204,7 +206,7 @@ int enable_spi_clk(unsigned char enable, unsigned spi_num)
 }
 static u32 decode_pll(enum pll_clocks pll, u32 infreq)
 {
-	u32 div;
+	u32 div, test_div, pll_num, pll_denom;
 
 	switch (pll) {
 	case PLL_SYS:
@@ -227,6 +229,44 @@ static u32 decode_pll(enum pll_clocks pll, u32 infreq)
 		div &= BM_ANADIG_PLL_ENET_DIV_SELECT;
 
 		return 25000000 * (div + (div >> 1) + 1);
+	case PLL_AUDIO:
+		div = __raw_readl(&imx_ccm->analog_pll_audio);
+		if (!(div & BM_ANADIG_PLL_AUDIO_ENABLE))
+			return 0;
+		/* BM_ANADIG_PLL_AUDIO_BYPASS_CLK_SRC is ignored */
+		if (div & BM_ANADIG_PLL_AUDIO_BYPASS)
+			return MXC_HCLK;
+		pll_num = __raw_readl(&imx_ccm->analog_pll_audio_num);
+		pll_denom = __raw_readl(&imx_ccm->analog_pll_audio_denom);
+		test_div = (div & BM_ANADIG_PLL_AUDIO_TEST_DIV_SELECT) >>
+			BP_ANADIG_PLL_AUDIO_TEST_DIV_SELECT;
+		div &= BM_ANADIG_PLL_AUDIO_DIV_SELECT;
+		if (test_div == 3) {
+			debug("Error test_div\n");
+			return 0;
+		}
+		test_div = 1 << (2 - test_div);
+
+		return infreq * (div + pll_num / pll_denom) / test_div;
+	case PLL_VIDEO:
+		div = __raw_readl(&imx_ccm->analog_pll_video);
+		if (!(div & BM_ANADIG_PLL_VIDEO_ENABLE))
+			return 0;
+		/* BM_ANADIG_PLL_AUDIO_BYPASS_CLK_SRC is ignored */
+		if (div & BM_ANADIG_PLL_VIDEO_BYPASS)
+			return MXC_HCLK;
+		pll_num = __raw_readl(&imx_ccm->analog_pll_video_num);
+		pll_denom = __raw_readl(&imx_ccm->analog_pll_video_denom);
+		test_div = (div & BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT) >>
+			BP_ANADIG_PLL_VIDEO_POST_DIV_SELECT;
+		div &= BM_ANADIG_PLL_VIDEO_DIV_SELECT;
+		if (test_div == 3) {
+			debug("Error test_div\n");
+			return 0;
+		}
+		test_div = 1 << (2 - test_div);
+
+		return infreq * (div + pll_num / pll_denom) / test_div;
 	default:
 		return 0;
 	}
@@ -437,7 +477,7 @@ static u32 get_mmdc_ch0_clk(void)
 	u32 cbcmr = __raw_readl(&imx_ccm->cbcmr);
 	u32 cbcdr = __raw_readl(&imx_ccm->cbcdr);
 
-	u32 freq, podf, per2_clk2_podf;
+	u32 freq, podf, per2_clk2_podf, pmu_misc2_audio_div;
 
 	if (is_cpu_type(MXC_CPU_MX6SX) || is_cpu_type(MXC_CPU_MX6UL) ||
 	    is_cpu_type(MXC_CPU_MX6SL)) {
@@ -472,8 +512,21 @@ static u32 get_mmdc_ch0_clk(void)
 				freq = mxc_get_pll_pfd(PLL_BUS, 0);
 				break;
 			case 3:
-				/* static / 2 divider */
-				freq =  mxc_get_pll_pfd(PLL_BUS, 2) / 2;
+				pmu_misc2_audio_div = PMU_MISC2_AUDIO_DIV(__raw_readl(&imx_ccm->pmu_misc2));
+				switch (pmu_misc2_audio_div) {
+				case 0:
+				case 2:
+					pmu_misc2_audio_div = 1;
+					break;
+				case 1:
+					pmu_misc2_audio_div = 2;
+					break;
+				case 3:
+					pmu_misc2_audio_div = 4;
+					break;
+				}
+				freq = decode_pll(PLL_AUDIO, MXC_HCLK) /
+					pmu_misc2_audio_div;
 				break;
 			}
 		}

arch/arm/cpu/armv7/mx7/soc.c

@@ -130,6 +130,24 @@ static void init_csu(void)
 		writel(CSU_INIT_SEC_LEVEL0, CSU_IPS_BASE_ADDR + i * 4);
 }
 
+static void imx_enet_mdio_fixup(void)
+{
+	struct iomuxc_gpr_base_regs *gpr_regs =
+		(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
+
+	/*
+	 * The management data input/output (MDIO) requires open-drain,
+	 * i.MX7D TO1.0 ENET MDIO pin has no open drain, but TO1.1 supports
+	 * this feature. So to TO1.1, need to enable open drain by setting
+	 * bits GPR0[8:7].
+	 */
+
+	if (soc_rev() >= CHIP_REV_1_1) {
+		setbits_le32(&gpr_regs->gpr[0],
+			     IOMUXC_GPR_GPR0_ENET_MDIO_OPEN_DRAIN_MASK);
+	}
+}
+
 int arch_cpu_init(void)
 {
 	init_aips();
@@ -138,6 +156,8 @@ int arch_cpu_init(void)
 	/* Disable PDE bit of WMCR register */
 	imx_set_wdog_powerdown(false);
 
+	imx_enet_mdio_fixup();
+
 #ifdef CONFIG_APBH_DMA
 	/* Start APBH DMA */
 	mxs_dma_init();

arch/arm/include/asm/arch-mx6/crm_regs.h

@@ -103,6 +103,97 @@ struct mxc_ccm_reg {
 	u32 analog_pfd_528_set;
 	u32 analog_pfd_528_clr;
 	u32 analog_pfd_528_tog;
+	/* PMU Memory Map/Register Definition */
+	u32 pmu_reg_1p1;
+	u32 pmu_reg_1p1_set;
+	u32 pmu_reg_1p1_clr;
+	u32 pmu_reg_1p1_tog;
+	u32 pmu_reg_3p0;
+	u32 pmu_reg_3p0_set;
+	u32 pmu_reg_3p0_clr;
+	u32 pmu_reg_3p0_tog;
+	u32 pmu_reg_2p5;
+	u32 pmu_reg_2p5_set;
+	u32 pmu_reg_2p5_clr;
+	u32 pmu_reg_2p5_tog;
+	u32 pmu_reg_core;
+	u32 pmu_reg_core_set;
+	u32 pmu_reg_core_clr;
+	u32 pmu_reg_core_tog;
+	u32 pmu_misc0;
+	u32 pmu_misc0_set;
+	u32 pmu_misc0_clr;
+	u32 pmu_misc0_tog;
+	u32 pmu_misc1;
+	u32 pmu_misc1_set;
+	u32 pmu_misc1_clr;
+	u32 pmu_misc1_tog;
+	u32 pmu_misc2;
+	u32 pmu_misc2_set;
+	u32 pmu_misc2_clr;
+	u32 pmu_misc2_tog;
+	/* TEMPMON Memory Map/Register Definition */
+	u32 tempsense0;
+	u32 tempsense0_set;
+	u32 tempsense0_clr;
+	u32 tempsense0_tog;
+	u32 tempsense1;
+	u32 tempsense1_set;
+	u32 tempsense1_clr;
+	u32 tempsense1_tog;
+	/* USB Analog Memory Map/Register Definition */
+	u32 usb1_vbus_detect;
+	u32 usb1_vbus_detect_set;
+	u32 usb1_vbus_detect_clr;
+	u32 usb1_vbus_detect_tog;
+	u32 usb1_chrg_detect;
+	u32 usb1_chrg_detect_set;
+	u32 usb1_chrg_detect_clr;
+	u32 usb1_chrg_detect_tog;
+	u32 usb1_vbus_det_stat;
+	u32 usb1_vbus_det_stat_set;
+	u32 usb1_vbus_det_stat_clr;
+	u32 usb1_vbus_det_stat_tog;
+	u32 usb1_chrg_det_stat;
+	u32 usb1_chrg_det_stat_set;
+	u32 usb1_chrg_det_stat_clr;
+	u32 usb1_chrg_det_stat_tog;
+	u32 usb1_loopback;
+	u32 usb1_loopback_set;
+	u32 usb1_loopback_clr;
+	u32 usb1_loopback_tog;
+	u32 usb1_misc;
+	u32 usb1_misc_set;
+	u32 usb1_misc_clr;
+	u32 usb1_misc_tog;
+	u32 usb2_vbus_detect;
+	u32 usb2_vbus_detect_set;
+	u32 usb2_vbus_detect_clr;
+	u32 usb2_vbus_detect_tog;
+	u32 usb2_chrg_detect;
+	u32 usb2_chrg_detect_set;
+	u32 usb2_chrg_detect_clr;
+	u32 usb2_chrg_detect_tog;
+	u32 usb2_vbus_det_stat;
+	u32 usb2_vbus_det_stat_set;
+	u32 usb2_vbus_det_stat_clr;
+	u32 usb2_vbus_det_stat_tog;
+	u32 usb2_chrg_det_stat;
+	u32 usb2_chrg_det_stat_set;
+	u32 usb2_chrg_det_stat_clr;
+	u32 usb2_chrg_det_stat_tog;
+	u32 usb2_loopback;
+	u32 usb2_loopback_set;
+	u32 usb2_loopback_clr;
+	u32 usb2_loopback_tog;
+	u32 usb2_misc;
+	u32 usb2_misc_set;
+	u32 usb2_misc_clr;
+	u32 usb2_misc_tog;
+	u32 digprog;
+	u32 reserved1[7];
+	/* For i.MX 6SoloLite */
+	u32 digprog_sololite;
 };
 #endif
 
@@ -1136,4 +1227,16 @@ struct mxc_ccm_reg {
 
 #define BM_ANADIG_ANA_MISC0_REFTOP_SELBIASOFF 0x00000008
 
+#define BM_PMU_MISC2_AUDIO_DIV_MSB (1 << 23)
+#define BP_PMU_MISC2_AUDIO_DIV_MSB 23
+
+#define BM_PMU_MISC2_AUDIO_DIV_LSB (1 << 15)
+#define BP_PMU_MISC2_AUDIO_DIV_LSB 15
+
+#define PMU_MISC2_AUDIO_DIV(v) \
+	(((v & BM_PMU_MISC2_AUDIO_DIV_MSB) >> \
+	(BP_PMU_MISC2_AUDIO_DIV_MSB - 1)) | \
+	((v & BM_PMU_MISC2_AUDIO_DIV_LSB) >> \
+	 BP_PMU_MISC2_AUDIO_DIV_LSB))
+
 #endif /*__ARCH_ARM_MACH_MX6_CCM_REGS_H__ */

arch/arm/include/asm/arch-mx7/imx-regs.h

@@ -272,6 +272,8 @@ struct src {
 #define IOMUXC_GPR_GPR0_DMAREQ_MUX_SEL5_SHIFT    5
 #define IOMUXC_GPR_GPR0_DMAREQ_MUX_SEL6_MASK     0x40u
 #define IOMUXC_GPR_GPR0_DMAREQ_MUX_SEL6_SHIFT    6
+#define IOMUXC_GPR_GPR0_ENET_MDIO_OPEN_DRAIN_MASK (3 << 7)
+#define IOMUXC_GPR_GPR0_ENET_MDIO_OPEN_DRAIN_SHIFT 7
 /* GPR1 Bit Fields */
 #define IOMUXC_GPR_GPR1_GPR_WEIM_ACT_CS0_MASK    0x1u
 #define IOMUXC_GPR_GPR1_GPR_WEIM_ACT_CS0_SHIFT   0

arch/arm/include/asm/imx-common/dma.h

@@ -59,7 +59,7 @@ enum {
 	MXS_DMA_CHANNEL_AHB_APBH_RESERVED1,
 	MXS_MAX_DMA_CHANNELS,
 };
-#elif defined(CONFIG_MX6)
+#elif defined(CONFIG_MX6) || defined(CONFIG_MX7)
 enum {
 	MXS_DMA_CHANNEL_AHB_APBH_GPMI0 = 0,
 	MXS_DMA_CHANNEL_AHB_APBH_GPMI1,

arch/arm/include/asm/imx-common/regs-apbh.h

@@ -96,7 +96,7 @@ struct mxs_apbh_regs {
 	mxs_reg_32(hw_apbh_version)
 };
 
-#elif (defined(CONFIG_MX28) || defined(CONFIG_MX6))
+#elif (defined(CONFIG_MX28) || defined(CONFIG_MX6) || defined(CONFIG_MX7))
 struct mxs_apbh_regs {
 	mxs_reg_32(hw_apbh_ctrl0)
 	mxs_reg_32(hw_apbh_ctrl1)
@@ -275,7 +275,7 @@ struct mxs_apbh_regs {
 #define	APBH_CTRL0_CLKGATE_CHANNEL_NAND7		0x0800
 #define	APBH_CTRL0_CLKGATE_CHANNEL_HSADC		0x1000
 #define	APBH_CTRL0_CLKGATE_CHANNEL_LCDIF		0x2000
-#elif defined(CONFIG_MX6)
+#elif (defined(CONFIG_MX6) || defined(CONFIG_MX7))
 #define	APBH_CTRL0_CLKGATE_CHANNEL_OFFSET		0
 #define	APBH_CTRL0_CLKGATE_CHANNEL_NAND0		0x0001
 #define	APBH_CTRL0_CLKGATE_CHANNEL_NAND1		0x0002
@@ -391,7 +391,7 @@ struct mxs_apbh_regs {
 #define	APBH_CHANNEL_CTRL_FREEZE_CHANNEL_LCDIF		0x2000
 #endif
 
-#if defined(CONFIG_MX6)
+#if (defined(CONFIG_MX6) || defined(CONFIG_MX7))
 #define	APBH_CHANNEL_CTRL_RESET_CHANNEL_OFFSET		16
 #endif
 

arch/arm/include/asm/imx-common/regs-bch.h

@@ -123,7 +123,7 @@ struct mxs_bch_regs {
 #define	BCH_FLASHLAYOUT0_NBLOCKS_OFFSET			24
 #define	BCH_FLASHLAYOUT0_META_SIZE_MASK			(0xff << 16)
 #define	BCH_FLASHLAYOUT0_META_SIZE_OFFSET		16
-#if defined(CONFIG_MX6)
+#if (defined(CONFIG_MX6) || defined(CONFIG_MX7))
 #define	BCH_FLASHLAYOUT0_ECC0_MASK			(0x1f << 11)
 #define	BCH_FLASHLAYOUT0_ECC0_OFFSET			11
 #else
@@ -154,7 +154,7 @@ struct mxs_bch_regs {
 
 #define	BCH_FLASHLAYOUT1_PAGE_SIZE_MASK			(0xffff << 16)
 #define	BCH_FLASHLAYOUT1_PAGE_SIZE_OFFSET		16
-#if defined(CONFIG_MX6)
+#if (defined(CONFIG_MX6) || defined(CONFIG_MX7))
 #define	BCH_FLASHLAYOUT1_ECCN_MASK			(0x1f << 11)
 #define	BCH_FLASHLAYOUT1_ECCN_OFFSET			11
 #else

board/freescale/mx25pdk/Makefile

@@ -7,4 +7,3 @@
 #
 
 obj-y	:= mx25pdk.o
-obj-y	+= lowlevel_init.o

board/freescale/mx25pdk/lowlevel_init.S

@@ -1,10 +0,0 @@
-/*
- * Copyright (c) 2011  Freescale Semiconductor
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-.globl lowlevel_init
-lowlevel_init:
-
-	mov	pc, lr

board/freescale/mx25pdk/mx25pdk.c

@@ -186,3 +186,6 @@ int checkboard(void)
 
 	return 0;
 }
+
+/* Lowlevel init isn't used on mx25pdk, so just provide a dummy one here */
+void lowlevel_init(void) {}

board/freescale/mx7dsabresd/mx7dsabresd.c

@@ -47,6 +47,9 @@ DECLARE_GLOBAL_DATA_PTR;
 #define QSPI_PAD_CTRL	\
 	(PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM)
 
+#define NAND_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_SLOW | PAD_CTL_HYS)
+
+#define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU5KOHM)
 #ifdef CONFIG_SYS_I2C_MXC
 #define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
 /* I2C1 for PMIC */
@@ -196,6 +199,38 @@ static void iox74lv_init(void)
 	gpio_direction_output(IOX_STCP, 1);
 };
 
+#ifdef CONFIG_NAND_MXS
+static iomux_v3_cfg_t const gpmi_pads[] = {
+	MX7D_PAD_SD3_DATA0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SD3_DATA1__NAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SD3_DATA2__NAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SD3_DATA3__NAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SD3_DATA4__NAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SD3_DATA5__NAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SD3_DATA6__NAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SD3_DATA7__NAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SD3_CLK__NAND_CLE	| MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SD3_CMD__NAND_ALE	| MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SD3_STROBE__NAND_RE_B	| MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SD3_RESET_B__NAND_WE_B	| MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SAI1_MCLK__NAND_WP_B	| MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SAI1_RX_BCLK__NAND_CE3_B	| MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SAI1_RX_SYNC__NAND_CE2_B	| MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SAI1_RX_DATA__NAND_CE1_B	| MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SAI1_TX_BCLK__NAND_CE0_B	| MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SAI1_TX_SYNC__NAND_DQS	| MUX_PAD_CTRL(NAND_PAD_CTRL),
+	MX7D_PAD_SAI1_TX_DATA__NAND_READY_B	| MUX_PAD_CTRL(NAND_PAD_READY0_CTRL),
+};
+
+static void setup_gpmi_nand(void)
+{
+	imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads));
+
+	/* NAND_USDHC_BUS_CLK is set in rom */
+	set_clk_nand();
+}
+#endif
+
 #ifdef CONFIG_VIDEO_MXS
 static iomux_v3_cfg_t const lcd_pads[] = {
 	MX7D_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
@@ -503,6 +538,10 @@ int board_init(void)
 	setup_fec();
 #endif
 
+#ifdef CONFIG_NAND_MXS
+	setup_gpmi_nand();
+#endif
+
 #ifdef CONFIG_VIDEO_MXS
 	setup_lcd();
 #endif

drivers/dma/apbh_dma.c

@@ -215,7 +215,7 @@ static int mxs_dma_reset(int channel)
 #if defined(CONFIG_MX23)
 	uint32_t setreg = (uint32_t)(&apbh_regs->hw_apbh_ctrl0_set);
 	uint32_t offset = APBH_CTRL0_RESET_CHANNEL_OFFSET;
-#elif (defined(CONFIG_MX28) || defined(CONFIG_MX6))
+#elif (defined(CONFIG_MX28) || defined(CONFIG_MX6) || defined(CONFIG_MX7))
 	uint32_t setreg = (uint32_t)(&apbh_regs->hw_apbh_channel_ctrl_set);
 	uint32_t offset = APBH_CHANNEL_CTRL_RESET_CHANNEL_OFFSET;
 #endif

drivers/mtd/nand/mxs_nand.c

@@ -30,7 +30,7 @@
 #define	MXS_NAND_DMA_DESCRIPTOR_COUNT		4
 
 #define	MXS_NAND_CHUNK_DATA_CHUNK_SIZE		512
-#if defined(CONFIG_MX6)
+#if (defined(CONFIG_MX6) || defined(CONFIG_MX7))
 #define	MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT	2
 #else
 #define	MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT	0
@@ -152,7 +152,7 @@ static inline uint32_t mxs_nand_get_ecc_strength(uint32_t page_data_size,
 	int max_ecc_strength_supported;
 
 	/* Refer to Chapter 17 for i.MX6DQ, Chapter 18 for i.MX6SX */
-	if (is_cpu_type(MXC_CPU_MX6SX))
+	if (is_cpu_type(MXC_CPU_MX6SX) || is_soc_type(MXC_SOC_MX7))
 		max_ecc_strength_supported = 62;
 	else
 		max_ecc_strength_supported = 40;

include/configs/imx6_spl.h

@@ -34,6 +34,7 @@
 #define CONFIG_SPL_SERIAL_SUPPORT
 #define CONFIG_SPL_I2C_SUPPORT
 #define CONFIG_SPL_GPIO_SUPPORT
+#define CONFIG_SPL_WATCHDOG_SUPPORT
 
 /* NAND support */
 #if defined(CONFIG_SPL_NAND_SUPPORT)

include/configs/mx6_common.h

@@ -25,6 +25,8 @@
 
 #define CONFIG_SYS_NO_FLASH
 
+#define CONFIG_SYS_BOOTM_LEN	0x1000000
+
 #include <linux/sizes.h>
 #include <asm/arch/imx-regs.h>
 #include <asm/imx-common/gpio.h>

include/configs/mx6ul_14x14_evk.h

@@ -156,7 +156,7 @@
 /* Miscellaneous configurable options */
 #define CONFIG_CMD_MEMTEST
 #define CONFIG_SYS_MEMTEST_START	0x80000000
-#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START + 0x10000000)
+#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START + 0x8000000)
 
 #define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
 #define CONFIG_SYS_HZ			1000
@@ -203,6 +203,7 @@
 #define CONFIG_SF_DEFAULT_CS		0
 #define CONFIG_SF_DEFAULT_SPEED	40000000
 #define CONFIG_SF_DEFAULT_MODE		SPI_MODE_0
+#define CONFIG_SPI_FLASH_STMICRO
 #define FSL_QSPI_FLASH_NUM		1
 #define FSL_QSPI_FLASH_SIZE		SZ_32M
 #endif

include/configs/mx7_common.h

@@ -23,6 +23,8 @@
 #define CONFIG_SC_TIMER_CLK 8000000 /* 8Mhz */
 #define CONFIG_SYS_FSL_CLK
 
+#define CONFIG_SYS_BOOTM_LEN	0x1000000
+
 /* Enable iomux-lpsr support */
 #define CONFIG_IOMUX_LPSR
 #define CONFIG_IMX_FIXED_IVT_OFFSET

include/configs/mx7dsabresd.h

@@ -179,8 +179,33 @@
 #define CONFIG_SYS_NO_FLASH
 #define CONFIG_ENV_SIZE			SZ_8K
 #define CONFIG_ENV_IS_IN_MMC
+
+/*
+ * If want to use nand, define CONFIG_NAND_MXS and rework board
+ * to support nand, since emmc has pin conflicts with nand
+ */
+#ifdef CONFIG_NAND_MXS
+#define CONFIG_CMD_NAND
+#define CONFIG_CMD_NAND_TRIMFFS
+
+/* NAND stuff */
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+#define CONFIG_SYS_NAND_BASE		0x40000000
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+#define CONFIG_SYS_NAND_ONFI_DETECTION
+
+/* DMA stuff, needed for GPMI/MXS NAND support */
+#define CONFIG_APBH_DMA
+#define CONFIG_APBH_DMA_BURST
+#define CONFIG_APBH_DMA_BURST8
+#endif
+
 #define CONFIG_ENV_OFFSET		(8 * SZ_64K)
+#ifdef CONFIG_NAND_MXS
+#define CONFIG_SYS_FSL_USDHC_NUM	1
+#else
 #define CONFIG_SYS_FSL_USDHC_NUM	2
+#endif
 
 #define CONFIG_SYS_MMC_ENV_DEV		0   /* USDHC1 */
 #define CONFIG_SYS_MMC_ENV_PART		0	/* user area */