board/logicpd/imx6/imx6logic.c - filogic/uboot - Gitiles

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2017 Logic PD, Inc.
  *
  * Author: Adam Ford <aford173@gmail.com>
  *
  * Based on SabreSD by Fabio Estevam <fabio.estevam@nxp.com>
  * and updates by Jagan Teki <jagan@amarulasolutions.com>
  */

 #include <env.h>
 #include <init.h>
 #include <miiphy.h>
 #include <input.h>
 #include <mmc.h>
 #include <fsl_esdhc_imx.h>
 #include <serial.h>
 #include <asm/global_data.h>
 #include <asm/io.h>
 #include <asm/gpio.h>
 #include <linux/sizes.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/crm_regs.h>
 #include <asm/arch/iomux.h>
 #include <asm/arch/mxc_hdmi.h>
 #include <asm/arch/mx6-pins.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/mach-imx/boot_mode.h>
 #include <asm/mach-imx/iomux-v3.h>

 DECLARE_GLOBAL_DATA_PTR;

 #define UART_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  | PAD_CTL_HYS)

 #define NAND_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |            \
 	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED   |             \
 	PAD_CTL_DSE_40ohm   | PAD_CTL_HYS)

 int dram_init(void)
 {
 	gd->ram_size = imx_ddr_size();
 	return 0;
 }

 static iomux_v3_cfg_t const nand_pads[] = {
 	MX6_PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
 	MX6_PAD_NANDF_ALE__NAND_ALE  | MUX_PAD_CTRL(NAND_PAD_CTRL),
 	MX6_PAD_NANDF_CLE__NAND_CLE  | MUX_PAD_CTRL(NAND_PAD_CTRL),
 	MX6_PAD_NANDF_WP_B__NAND_WP_B  | MUX_PAD_CTRL(NAND_PAD_CTRL),
 	MX6_PAD_NANDF_RB0__NAND_READY_B   | MUX_PAD_CTRL(NAND_PAD_CTRL),
 	MX6_PAD_NANDF_D0__NAND_DATA00    | MUX_PAD_CTRL(NAND_PAD_CTRL),
 	MX6_PAD_NANDF_D1__NAND_DATA01    | MUX_PAD_CTRL(NAND_PAD_CTRL),
 	MX6_PAD_NANDF_D2__NAND_DATA02    | MUX_PAD_CTRL(NAND_PAD_CTRL),
 	MX6_PAD_NANDF_D3__NAND_DATA03    | MUX_PAD_CTRL(NAND_PAD_CTRL),
 	MX6_PAD_NANDF_D4__NAND_DATA04    | MUX_PAD_CTRL(NAND_PAD_CTRL),
 	MX6_PAD_NANDF_D5__NAND_DATA05    | MUX_PAD_CTRL(NAND_PAD_CTRL),
 	MX6_PAD_NANDF_D6__NAND_DATA06    | MUX_PAD_CTRL(NAND_PAD_CTRL),
 	MX6_PAD_NANDF_D7__NAND_DATA07    | MUX_PAD_CTRL(NAND_PAD_CTRL),
 	MX6_PAD_SD4_CLK__NAND_WE_B    | MUX_PAD_CTRL(NAND_PAD_CTRL),
 	MX6_PAD_SD4_CMD__NAND_RE_B    | MUX_PAD_CTRL(NAND_PAD_CTRL),
 };

 static void setup_nand_pins(void)
 {
 	imx_iomux_v3_setup_multiple_pads(nand_pads, ARRAY_SIZE(nand_pads));
 }

 static int ar8031_phy_fixup(struct phy_device *phydev)
 {
 	unsigned short val;

 	/* To enable AR8031 output a 125MHz clk from CLK_25M */
 	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
 	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
 	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);

 	val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
 	val &= 0xffe3;
 	val |= 0x18;
 	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);

 	/* introduce tx clock delay */
 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
 	val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
 	val |= 0x0100;
 	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);

 	return 0;
 }

 int board_phy_config(struct phy_device *phydev)
 {
 	ar8031_phy_fixup(phydev);

 	if (phydev->drv->config)
 		phydev->drv->config(phydev);

 	return 0;
 }

 /*
  * Do not overwrite the console
  * Use always serial for U-Boot console
  */
 int overwrite_console(void)
 {
 	return 1;
 }

 int board_early_init_f(void)
 {
 	setup_nand_pins();
 	return 0;
 }

 int board_init(void)
 {
 	/* address of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 	return 0;
 }

 int board_late_init(void)
 {
 	env_set("board_name", "imx6logic");

 	if (is_mx6dq()) {
 		env_set("board_rev", "MX6DQ");
 		if (!env_get("fdt_file"))
 			env_set("fdt_file", "imx6q-logicpd.dtb");
 	}

 	return 0;
 }

 #ifdef CONFIG_XPL_BUILD
 #include <asm/arch/mx6-ddr.h>
 #include <asm/arch/mx6q-ddr.h>
 #include <spl.h>
 #include <linux/libfdt.h>

 #ifdef CONFIG_SPL_OS_BOOT
 int spl_start_uboot(void)
 {
 	/* break into full u-boot on 'c' */
 	if (serial_tstc() && serial_getc() == 'c')
 		return 1;

 	return 0;
 }
 #endif

 void board_boot_order(u32 *spl_boot_list)
 {
 	struct src *psrc = (struct src *)SRC_BASE_ADDR;
 	unsigned int reg = readl(&psrc->sbmr1) >> 11;
 	u32 boot_mode = imx6_src_get_boot_mode() & IMX6_BMODE_MASK;
 	unsigned int bmode = readl(&src_base->sbmr2);

 	/* If bmode is serial or USB phy is active, return serial */
 	if (((bmode >> 24) & 0x03) == 0x01 || is_usbotg_phy_active()) {
 		spl_boot_list[0] = BOOT_DEVICE_BOARD;
 		return;
 	}

 	switch (boot_mode >> IMX6_BMODE_SHIFT) {
 	case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
 		spl_boot_list[0] = BOOT_DEVICE_NAND;
 		break;
 	case IMX6_BMODE_SD:
 	case IMX6_BMODE_ESD:
 	case IMX6_BMODE_MMC:
 	case IMX6_BMODE_EMMC:
 		/*
 		 * 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-SOM
 		 * 0x2                  SD2-Baseboard
 		 */

 		reg &= 0x3; /* Only care about bottom 2 bits */
 		switch (reg) {
 		case 0:
 			spl_boot_list[0] = BOOT_DEVICE_MMC1;
 			break;
 		case 1:
 			spl_boot_list[0] = BOOT_DEVICE_MMC2;
 			break;
 		}
 		break;
 	default:
 		/* By default use USB downloader */
 		spl_boot_list[0] = BOOT_DEVICE_BOARD;
 		break;
 	}

 	/* As a last resort, use serial downloader */
 	spl_boot_list[1] = BOOT_DEVICE_BOARD;
 }

 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(0xFFFFF300, &ccm->CCGR4);
 	writel(0x0F0000F3, &ccm->CCGR5);
 	writel(0x00000FFF, &ccm->CCGR6);
 }

 static int mx6q_dcd_table[] = {
 	MX6_IOM_GRP_DDR_TYPE, 0x000C0000,
 	MX6_IOM_GRP_DDRPKE, 0x00000000,
 	MX6_IOM_DRAM_SDCLK_0, 0x00000030,
 	MX6_IOM_DRAM_SDCLK_1, 0x00000030,
 	MX6_IOM_DRAM_CAS, 0x00000030,
 	MX6_IOM_DRAM_RAS, 0x00000030,
 	MX6_IOM_GRP_ADDDS, 0x00000030,
 	MX6_IOM_DRAM_RESET, 0x00000030,
 	MX6_IOM_DRAM_SDBA2, 0x00000000,
 	MX6_IOM_DRAM_SDODT0, 0x00000030,
 	MX6_IOM_DRAM_SDODT1, 0x00000030,
 	MX6_IOM_GRP_CTLDS, 0x00000030,
 	MX6_IOM_DDRMODE_CTL, 0x00020000,
 	MX6_IOM_DRAM_SDQS0, 0x00000030,
 	MX6_IOM_DRAM_SDQS1, 0x00000030,
 	MX6_IOM_DRAM_SDQS2, 0x00000030,
 	MX6_IOM_DRAM_SDQS3, 0x00000030,
 	MX6_IOM_GRP_DDRMODE, 0x00020000,
 	MX6_IOM_GRP_B0DS, 0x00000030,
 	MX6_IOM_GRP_B1DS, 0x00000030,
 	MX6_IOM_GRP_B2DS, 0x00000030,
 	MX6_IOM_GRP_B3DS, 0x00000030,
 	MX6_IOM_DRAM_DQM0, 0x00000030,
 	MX6_IOM_DRAM_DQM1, 0x00000030,
 	MX6_IOM_DRAM_DQM2, 0x00000030,
 	MX6_IOM_DRAM_DQM3, 0x00000030,
 	MX6_MMDC_P0_MDSCR, 0x00008000,
 	MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003,
 	MX6_MMDC_P0_MPWLDECTRL0, 0x002D003A,
 	MX6_MMDC_P0_MPWLDECTRL1, 0x0038002B,
 	MX6_MMDC_P0_MPDGCTRL0, 0x03340338,
 	MX6_MMDC_P0_MPDGCTRL1, 0x0334032C,
 	MX6_MMDC_P0_MPRDDLCTL, 0x4036383C,
 	MX6_MMDC_P0_MPWRDLCTL, 0x2E384038,
 	MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333,
 	MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333,
 	MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333,
 	MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333,
 	MX6_MMDC_P0_MPMUR0, 0x00000800,
 	MX6_MMDC_P0_MDPDC, 0x00020036,
 	MX6_MMDC_P0_MDOTC, 0x09444040,
 	MX6_MMDC_P0_MDCFG0, 0xB8BE7955,
 	MX6_MMDC_P0_MDCFG1, 0xFF328F64,
 	MX6_MMDC_P0_MDCFG2, 0x01FF00DB,
 	MX6_MMDC_P0_MDMISC, 0x00011740,
 	MX6_MMDC_P0_MDSCR, 0x00008000,
 	MX6_MMDC_P0_MDRWD, 0x000026D2,
 	MX6_MMDC_P0_MDOR, 0x00BE1023,
 	MX6_MMDC_P0_MDASP, 0x00000047,
 	MX6_MMDC_P0_MDCTL, 0x85190000,
 	MX6_MMDC_P0_MDSCR, 0x00888032,
 	MX6_MMDC_P0_MDSCR, 0x00008033,
 	MX6_MMDC_P0_MDSCR, 0x00008031,
 	MX6_MMDC_P0_MDSCR, 0x19408030,
 	MX6_MMDC_P0_MDSCR, 0x04008040,
 	MX6_MMDC_P0_MDREF, 0x00007800,
 	MX6_MMDC_P0_MPODTCTRL, 0x00000007,
 	MX6_MMDC_P0_MDPDC, 0x00025576,
 	MX6_MMDC_P0_MAPSR, 0x00011006,
 	MX6_MMDC_P0_MDSCR, 0x00000000,
 	/* enable AXI cache for VDOA/VPU/IPU */

 	MX6_IOMUXC_GPR4, 0xF00000CF,
 	/* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
 	MX6_IOMUXC_GPR6, 0x007F007F,
 	MX6_IOMUXC_GPR7, 0x007F007F,
 };

 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)
 {
 	if (is_mx6dq())
 		ddr_init(mx6q_dcd_table, ARRAY_SIZE(mx6q_dcd_table));
 }

 void board_init_f(ulong dummy)
 {
 	/* DDR initialization */
 	spl_dram_init();

 	/* setup AIPS and disable watchdog */
 	arch_cpu_init();

 	ccgr_init();
 	gpr_init();

 	/* iomux and setup of uart and NAND pins */
 	board_early_init_f();

 	/* setup GP timer */
 	timer_init();

 	/* Enable device tree and early DM support*/
 	spl_early_init();

 	/* UART clocks enabled and gd valid - init serial console */
 	preloader_console_init();
 }
 #endif
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* Copyright (C) 2017 Logic PD, Inc.
	*
	* Author: Adam Ford <aford173@gmail.com>
	*
	* Based on SabreSD by Fabio Estevam <fabio.estevam@nxp.com>
	* and updates by Jagan Teki <jagan@amarulasolutions.com>
	*/

	#include <env.h>
	#include <init.h>
	#include <miiphy.h>
	#include <input.h>
	#include <mmc.h>
	#include <fsl_esdhc_imx.h>
	#include <serial.h>
	#include <asm/global_data.h>
	#include <asm/io.h>
	#include <asm/gpio.h>
	#include <linux/sizes.h>
	#include <asm/arch/clock.h>
	#include <asm/arch/crm_regs.h>
	#include <asm/arch/iomux.h>
	#include <asm/arch/mxc_hdmi.h>
	#include <asm/arch/mx6-pins.h>
	#include <asm/arch/sys_proto.h>
	#include <asm/mach-imx/boot_mode.h>
	#include <asm/mach-imx/iomux-v3.h>

	DECLARE_GLOBAL_DATA_PTR;

	#define UART_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 \| PAD_CTL_HYS)

	#define NAND_PAD_CTRL (PAD_CTL_PKE \| PAD_CTL_PUE \| \
	PAD_CTL_PUS_100K_UP \| PAD_CTL_SPEED_MED \| \
	PAD_CTL_DSE_40ohm \| PAD_CTL_HYS)

	int dram_init(void)
	{
	gd->ram_size = imx_ddr_size();
	return 0;
	}

	static iomux_v3_cfg_t const nand_pads[] = {
	MX6_PAD_NANDF_CS0__NAND_CE0_B \| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX6_PAD_NANDF_ALE__NAND_ALE \| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX6_PAD_NANDF_CLE__NAND_CLE \| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX6_PAD_NANDF_WP_B__NAND_WP_B \| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX6_PAD_NANDF_RB0__NAND_READY_B \| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX6_PAD_NANDF_D0__NAND_DATA00 \| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX6_PAD_NANDF_D1__NAND_DATA01 \| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX6_PAD_NANDF_D2__NAND_DATA02 \| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX6_PAD_NANDF_D3__NAND_DATA03 \| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX6_PAD_NANDF_D4__NAND_DATA04 \| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX6_PAD_NANDF_D5__NAND_DATA05 \| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX6_PAD_NANDF_D6__NAND_DATA06 \| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX6_PAD_NANDF_D7__NAND_DATA07 \| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX6_PAD_SD4_CLK__NAND_WE_B \| MUX_PAD_CTRL(NAND_PAD_CTRL),
	MX6_PAD_SD4_CMD__NAND_RE_B \| MUX_PAD_CTRL(NAND_PAD_CTRL),
	};

	static void setup_nand_pins(void)
	{
	imx_iomux_v3_setup_multiple_pads(nand_pads, ARRAY_SIZE(nand_pads));
	}

	static int ar8031_phy_fixup(struct phy_device *phydev)
	{
	unsigned short val;

	/* To enable AR8031 output a 125MHz clk from CLK_25M */
	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);

	val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
	val &= 0xffe3;
	val \|= 0x18;
	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);

	/* introduce tx clock delay */
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
	val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
	val \|= 0x0100;
	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);

	return 0;
	}

	int board_phy_config(struct phy_device *phydev)
	{
	ar8031_phy_fixup(phydev);

	if (phydev->drv->config)
	phydev->drv->config(phydev);

	return 0;
	}

	/*
	* Do not overwrite the console
	* Use always serial for U-Boot console
	*/
	int overwrite_console(void)
	{
	return 1;
	}

	int board_early_init_f(void)
	{
	setup_nand_pins();
	return 0;
	}

	int board_init(void)
	{
	/* address of boot parameters */
	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
	return 0;
	}

	int board_late_init(void)
	{
	env_set("board_name", "imx6logic");

	if (is_mx6dq()) {
	env_set("board_rev", "MX6DQ");
	if (!env_get("fdt_file"))
	env_set("fdt_file", "imx6q-logicpd.dtb");
	}

	return 0;
	}

	#ifdef CONFIG_XPL_BUILD
	#include <asm/arch/mx6-ddr.h>
	#include <asm/arch/mx6q-ddr.h>
	#include <spl.h>
	#include <linux/libfdt.h>

	#ifdef CONFIG_SPL_OS_BOOT
	int spl_start_uboot(void)
	{
	/* break into full u-boot on 'c' */
	if (serial_tstc() && serial_getc() == 'c')
	return 1;

	return 0;
	}
	#endif

	void board_boot_order(u32 *spl_boot_list)
	{
	struct src psrc = (struct src )SRC_BASE_ADDR;
	unsigned int reg = readl(&psrc->sbmr1) >> 11;
	u32 boot_mode = imx6_src_get_boot_mode() & IMX6_BMODE_MASK;
	unsigned int bmode = readl(&src_base->sbmr2);

	/* If bmode is serial or USB phy is active, return serial */
	if (((bmode >> 24) & 0x03) == 0x01 \|\| is_usbotg_phy_active()) {
	spl_boot_list[0] = BOOT_DEVICE_BOARD;
	return;
	}

	switch (boot_mode >> IMX6_BMODE_SHIFT) {
	case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
	spl_boot_list[0] = BOOT_DEVICE_NAND;
	break;
	case IMX6_BMODE_SD:
	case IMX6_BMODE_ESD:
	case IMX6_BMODE_MMC:
	case IMX6_BMODE_EMMC:
	/*
	* 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-SOM
	* 0x2 SD2-Baseboard
	*/

	reg &= 0x3; /* Only care about bottom 2 bits */
	switch (reg) {
	case 0:
	spl_boot_list[0] = BOOT_DEVICE_MMC1;
	break;
	case 1:
	spl_boot_list[0] = BOOT_DEVICE_MMC2;
	break;
	}
	break;
	default:
	/* By default use USB downloader */
	spl_boot_list[0] = BOOT_DEVICE_BOARD;
	break;
	}

	/* As a last resort, use serial downloader */
	spl_boot_list[1] = BOOT_DEVICE_BOARD;
	}

	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(0xFFFFF300, &ccm->CCGR4);
	writel(0x0F0000F3, &ccm->CCGR5);
	writel(0x00000FFF, &ccm->CCGR6);
	}

	static int mx6q_dcd_table[] = {
	MX6_IOM_GRP_DDR_TYPE, 0x000C0000,
	MX6_IOM_GRP_DDRPKE, 0x00000000,
	MX6_IOM_DRAM_SDCLK_0, 0x00000030,
	MX6_IOM_DRAM_SDCLK_1, 0x00000030,
	MX6_IOM_DRAM_CAS, 0x00000030,
	MX6_IOM_DRAM_RAS, 0x00000030,
	MX6_IOM_GRP_ADDDS, 0x00000030,
	MX6_IOM_DRAM_RESET, 0x00000030,
	MX6_IOM_DRAM_SDBA2, 0x00000000,
	MX6_IOM_DRAM_SDODT0, 0x00000030,
	MX6_IOM_DRAM_SDODT1, 0x00000030,
	MX6_IOM_GRP_CTLDS, 0x00000030,
	MX6_IOM_DDRMODE_CTL, 0x00020000,
	MX6_IOM_DRAM_SDQS0, 0x00000030,
	MX6_IOM_DRAM_SDQS1, 0x00000030,
	MX6_IOM_DRAM_SDQS2, 0x00000030,
	MX6_IOM_DRAM_SDQS3, 0x00000030,
	MX6_IOM_GRP_DDRMODE, 0x00020000,
	MX6_IOM_GRP_B0DS, 0x00000030,
	MX6_IOM_GRP_B1DS, 0x00000030,
	MX6_IOM_GRP_B2DS, 0x00000030,
	MX6_IOM_GRP_B3DS, 0x00000030,
	MX6_IOM_DRAM_DQM0, 0x00000030,
	MX6_IOM_DRAM_DQM1, 0x00000030,
	MX6_IOM_DRAM_DQM2, 0x00000030,
	MX6_IOM_DRAM_DQM3, 0x00000030,
	MX6_MMDC_P0_MDSCR, 0x00008000,
	MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003,
	MX6_MMDC_P0_MPWLDECTRL0, 0x002D003A,
	MX6_MMDC_P0_MPWLDECTRL1, 0x0038002B,
	MX6_MMDC_P0_MPDGCTRL0, 0x03340338,
	MX6_MMDC_P0_MPDGCTRL1, 0x0334032C,
	MX6_MMDC_P0_MPRDDLCTL, 0x4036383C,
	MX6_MMDC_P0_MPWRDLCTL, 0x2E384038,
	MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333,
	MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333,
	MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333,
	MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333,
	MX6_MMDC_P0_MPMUR0, 0x00000800,
	MX6_MMDC_P0_MDPDC, 0x00020036,
	MX6_MMDC_P0_MDOTC, 0x09444040,
	MX6_MMDC_P0_MDCFG0, 0xB8BE7955,
	MX6_MMDC_P0_MDCFG1, 0xFF328F64,
	MX6_MMDC_P0_MDCFG2, 0x01FF00DB,
	MX6_MMDC_P0_MDMISC, 0x00011740,
	MX6_MMDC_P0_MDSCR, 0x00008000,
	MX6_MMDC_P0_MDRWD, 0x000026D2,
	MX6_MMDC_P0_MDOR, 0x00BE1023,
	MX6_MMDC_P0_MDASP, 0x00000047,
	MX6_MMDC_P0_MDCTL, 0x85190000,
	MX6_MMDC_P0_MDSCR, 0x00888032,
	MX6_MMDC_P0_MDSCR, 0x00008033,
	MX6_MMDC_P0_MDSCR, 0x00008031,
	MX6_MMDC_P0_MDSCR, 0x19408030,
	MX6_MMDC_P0_MDSCR, 0x04008040,
	MX6_MMDC_P0_MDREF, 0x00007800,
	MX6_MMDC_P0_MPODTCTRL, 0x00000007,
	MX6_MMDC_P0_MDPDC, 0x00025576,
	MX6_MMDC_P0_MAPSR, 0x00011006,
	MX6_MMDC_P0_MDSCR, 0x00000000,
	/* enable AXI cache for VDOA/VPU/IPU */

	MX6_IOMUXC_GPR4, 0xF00000CF,
	/* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
	MX6_IOMUXC_GPR6, 0x007F007F,
	MX6_IOMUXC_GPR7, 0x007F007F,
	};

	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)
	{
	if (is_mx6dq())
	ddr_init(mx6q_dcd_table, ARRAY_SIZE(mx6q_dcd_table));
	}

	void board_init_f(ulong dummy)
	{
	/* DDR initialization */
	spl_dram_init();

	/* setup AIPS and disable watchdog */
	arch_cpu_init();

	ccgr_init();
	gpr_init();

	/* iomux and setup of uart and NAND pins */
	board_early_init_f();

	/* setup GP timer */
	timer_init();

	/* Enable device tree and early DM support*/
	spl_early_init();

	/* UART clocks enabled and gd valid - init serial console */
	preloader_console_init();
	}
	#endif