5 files changed, 659 insertions, 0 deletions
diff --git a/roms/u-boot/board/engicam/common/Kconfig b/roms/u-boot/board/engicam/common/Kconfig
new file mode 100644
index 000000000..38328fd5e
--- /dev/null
+++ b/roms/u-boot/board/engicam/common/Kconfig
@@ -0,0 +1,8 @@
+config IMX6_ENGICAM_COMMON
+	bool "Engicam i.MX6 Common code"
+	depends on SPL && MX6
+	default y if TARGET_MX6Q_ENGICAM || TARGET_MX6UL_ENGICAM
+	help
+	  Common SPL and U-Boot proper code for Engicam i.MX6 targets.
+
+	  Enable it in board Kconfig if it uses i.MX6 variant Engicam boards.
diff --git a/roms/u-boot/board/engicam/common/Makefile b/roms/u-boot/board/engicam/common/Makefile
new file mode 100644
index 000000000..15f0eaa1e
--- /dev/null
+++ b/roms/u-boot/board/engicam/common/Makefile
@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright (C) 2016 Amarula Solutions B.V.
+
+ifdef CONFIG_SPL_BUILD
+obj-$(CONFIG_IMX6_ENGICAM_COMMON) += spl.o
+else
+obj-$(CONFIG_IMX6_ENGICAM_COMMON) += board.o
+endif
diff --git a/roms/u-boot/board/engicam/common/board.c b/roms/u-boot/board/engicam/common/board.c
new file mode 100644
index 000000000..df9149e0d
--- /dev/null
+++ b/roms/u-boot/board/engicam/common/board.c
@@ -0,0 +1,198 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Amarula Solutions B.V.
+ * Copyright (C) 2016 Engicam S.r.l.
+ * Author: Jagan Teki <jagan@amarulasolutions.com>
+ */
+
+#include <common.h>
+#include <command.h>
+#include <env.h>
+#include <hang.h>
+#include <init.h>
+#include <log.h>
+#include <mmc.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/sys_proto.h>
+#include <watchdog.h>
+#include <asm/global_data.h>
+
+#include "board.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_ENV_IS_IN_MMC
+static void mmc_late_init(void)
+{
+	char cmd[32];
+	char mmcblk[32];
+	u32 dev_no = mmc_get_env_dev();
+
+	env_set_ulong("mmcdev", dev_no);
+
+	/* Set mmcblk env */
+	sprintf(mmcblk, "/dev/mmcblk%dp2 rootwait rw", dev_no);
+	env_set("mmcroot", mmcblk);
+
+	sprintf(cmd, "mmc dev %d", dev_no);
+	run_command(cmd, 0);
+}
+#endif
+
+enum engicam_boards {
+	IMX6Q_ICORE,
+	IMX6DL_ICORE,
+	IMX6Q_ICORE_MIPI,
+	IMX6DL_ICORE_MIPI,
+	IMX6Q_ICORE_RQS,
+	IMX6DL_ICORE_RQS,
+	IMX6UL_GEAM,
+	IMX6UL_ISIOT_EMMC,
+	IMX6UL_ISIOT_NAND,
+	ENGICAM_BOARDS,
+};
+
+static const char * const board_fdt_file[ENGICAM_BOARDS] = {
+	[IMX6Q_ICORE] = "imx6q-icore.dtb",
+	[IMX6DL_ICORE] = "imx6dl-icore.dtb",
+	[IMX6Q_ICORE_MIPI] = "imx6q-icore-mipi.dtb",
+	[IMX6DL_ICORE_MIPI] = "imx6dl-icore-mipi.dtb",
+	[IMX6Q_ICORE_RQS] = "imx6q-icore-rqs.dtb",
+	[IMX6DL_ICORE_RQS] = "imx6dl-icore-rqs.dtb",
+	[IMX6UL_GEAM] = "imx6ul-geam.dtb",
+	[IMX6UL_ISIOT_EMMC] = "imx6ul-isiot-emmc.dtb",
+	[IMX6UL_ISIOT_NAND] = "imx6ul-isiot-nand.dtb",
+};
+
+static int setenv_fdt_file(int board_detected)
+{
+	if (board_detected < 0 || board_detected >= ENGICAM_BOARDS)
+		return -EINVAL;
+
+	if (!board_fdt_file[board_detected])
+		return -ENODEV;
+
+	env_set("fdt_file", board_fdt_file[board_detected]);
+	return 0;
+}
+
+static enum engicam_boards engicam_board_detect(void)
+{
+	const char *cmp_dtb = CONFIG_DEFAULT_DEVICE_TREE;
+
+	if (!strcmp(cmp_dtb, "imx6q-icore")) {
+		if (is_mx6dq())
+			return IMX6Q_ICORE;
+		else if (is_mx6dl() || is_mx6solo())
+			return IMX6DL_ICORE;
+	} else if (!strcmp(cmp_dtb, "imx6q-icore-mipi")) {
+		if (is_mx6dq())
+			return IMX6Q_ICORE_MIPI;
+		else if (is_mx6dl() || is_mx6solo())
+			return IMX6DL_ICORE_MIPI;
+	} else if (!strcmp(cmp_dtb, "imx6q-icore-rqs")) {
+		if (is_mx6dq())
+			return IMX6Q_ICORE_RQS;
+		else if (is_mx6dl() || is_mx6solo())
+			return IMX6DL_ICORE_RQS;
+	} else if (!strcmp(cmp_dtb, "imx6ul-geam"))
+			return IMX6UL_GEAM;
+	else if (!strcmp(cmp_dtb, "imx6ul-isiot-emmc"))
+			return IMX6UL_ISIOT_EMMC;
+	else if (!strcmp(cmp_dtb, "imx6ul-isiot-nand"))
+			return IMX6UL_ISIOT_NAND;
+
+	return -EINVAL;
+}
+
+static int fixup_enet_clock(enum engicam_boards board_detected)
+{
+	struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
+	int clk_internal = 0;
+
+	switch (board_detected) {
+	case IMX6Q_ICORE_MIPI:
+	case IMX6DL_ICORE_MIPI:
+		clk_internal = 1;
+		break;
+	default:
+		break;
+	}
+
+	/* set gpr1[21] to select anatop clock */
+	debug("fixup_enet_clock %d\n", clk_internal);
+	clrsetbits_le32(&iomuxc_regs->gpr[1], 0x1 << 21, clk_internal << 21);
+
+	if (!clk_internal) {
+		/* clock is external */
+		return 0;
+	}
+
+	return enable_fec_anatop_clock(0, ENET_50MHZ);
+}
+
+int board_late_init(void)
+{
+	enum engicam_boards board_detected = IMX6Q_ICORE;
+
+	switch ((imx6_src_get_boot_mode() & IMX6_BMODE_MASK) >>
+			IMX6_BMODE_SHIFT) {
+	case IMX6_BMODE_SD:
+	case IMX6_BMODE_ESD:
+	case IMX6_BMODE_MMC:
+	case IMX6_BMODE_EMMC:
+#ifdef CONFIG_ENV_IS_IN_MMC
+		mmc_late_init();
+#endif
+		env_set("modeboot", "mmcboot");
+		break;
+	case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
+		env_set("modeboot", "nandboot");
+		break;
+	default:
+		env_set("modeboot", "");
+		break;
+	}
+
+	if (is_mx6ul())
+		env_set("console", "ttymxc0");
+	else
+		env_set("console", "ttymxc3");
+
+	board_detected = engicam_board_detect();
+	if (board_detected < 0)
+		hang();
+
+	fixup_enet_clock(board_detected);
+	setenv_fdt_file(board_detected);
+
+#ifdef CONFIG_HW_WATCHDOG
+	hw_watchdog_init();
+#endif
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* Address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+#ifdef CONFIG_NAND_MXS
+	setup_gpmi_nand();
+#endif
+
+#ifdef CONFIG_VIDEO_IPUV3
+	setup_display();
+#endif
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = imx_ddr_size();
+
+	return 0;
+}
diff --git a/roms/u-boot/board/engicam/common/board.h b/roms/u-boot/board/engicam/common/board.h
new file mode 100644
index 000000000..9f47e18ca
--- /dev/null
+++ b/roms/u-boot/board/engicam/common/board.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2016 Amarula Solutions B.V.
+ */
+
+#ifndef _BOARD_H_
+#define _BOARD_H_
+void setup_gpmi_nand(void);
+void setup_display(void);
+#endif /* _BOARD_H_ */
diff --git a/roms/u-boot/board/engicam/common/spl.c b/roms/u-boot/board/engicam/common/spl.c
new file mode 100644
index 000000000..6a0612481
--- /dev/null
+++ b/roms/u-boot/board/engicam/common/spl.c
@@ -0,0 +1,435 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Amarula Solutions B.V.
+ * Copyright (C) 2016 Engicam S.r.l.
+ * Author: Jagan Teki <jagan@amarulasolutions.com>
+ */
+
+#include <common.h>
+#include <image.h>
+#include <init.h>
+#include <serial.h>
+#include <spl.h>
+#include <linux/delay.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/mx6-ddr.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/arch/sys_proto.h>
+
+#include <asm/mach-imx/iomux-v3.h>
+#include <asm/mach-imx/video.h>
+
+#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)
+
+static iomux_v3_cfg_t const uart_pads[] = {
+#ifdef CONFIG_MX6QDL
+        IOMUX_PADS(PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
+        IOMUX_PADS(PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
+#elif CONFIG_MX6UL
+	IOMUX_PADS(PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL)),
+	IOMUX_PADS(PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL)),
+#endif
+};
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+        if (is_mx6dq() && !strcmp(name, "imx6q-icore"))
+                return 0;
+        else if (is_mx6dq() && !strcmp(name, "imx6q-icore-rqs"))
+                return 0;
+        else if (is_mx6dq() && !strcmp(name, "imx6q-icore-mipi"))
+                return 0;
+        else if ((is_mx6dl() || is_mx6solo()) && !strcmp(name, "imx6dl-icore"))
+                return 0;
+        else if ((is_mx6dl() || is_mx6solo()) && !strcmp(name, "imx6dl-icore-rqs"))
+                return 0;
+        else if ((is_mx6dl() || is_mx6solo()) && !strcmp(name, "imx6dl-icore-mipi"))
+                return 0;
+        else
+                return -1;
+}
+#endif
+
+#ifdef CONFIG_ENV_IS_IN_MMC
+void board_boot_order(u32 *spl_boot_list)
+{
+	u32 bmode = imx6_src_get_boot_mode();
+	u8 boot_dev = BOOT_DEVICE_MMC1;
+
+	switch ((bmode & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
+	case IMX6_BMODE_SD:
+	case IMX6_BMODE_ESD:
+		/* SD/eSD - BOOT_DEVICE_MMC1 */
+		break;
+	case IMX6_BMODE_MMC:
+	case IMX6_BMODE_EMMC:
+		/* MMC/eMMC */
+		boot_dev = BOOT_DEVICE_MMC2;
+		break;
+	default:
+		/* Default - BOOT_DEVICE_MMC1 */
+		printf("Wrong board boot order\n");
+		break;
+	}
+
+	spl_boot_list[0] = boot_dev;
+}
+#endif
+
+#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
+
+#ifdef CONFIG_MX6QDL
+/*
+ * Driving strength:
+ *   0x30 == 40 Ohm
+ *   0x28 == 48 Ohm
+ */
+#define IMX6DQ_DRIVE_STRENGTH		0x30
+#define IMX6SDL_DRIVE_STRENGTH		0x28
+
+/* configure MX6Q/DUAL mmdc DDR io registers */
+static struct mx6dq_iomux_ddr_regs mx6dq_ddr_ioregs = {
+	.dram_sdqs0 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdqs1 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdqs2 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdqs3 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdqs4 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdqs5 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdqs6 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdqs7 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_dqm0 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_dqm1 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_dqm2 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_dqm3 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_dqm4 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_dqm5 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_dqm6 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_dqm7 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_cas = IMX6DQ_DRIVE_STRENGTH,
+	.dram_ras = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdclk_0 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdclk_1 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_reset = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdcke0 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdcke1 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdba2 = 0x00000000,
+	.dram_sdodt0 = IMX6DQ_DRIVE_STRENGTH,
+	.dram_sdodt1 = IMX6DQ_DRIVE_STRENGTH,
+};
+
+/* configure MX6Q/DUAL mmdc GRP io registers */
+static struct mx6dq_iomux_grp_regs mx6dq_grp_ioregs = {
+	.grp_b0ds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_b1ds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_b2ds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_b3ds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_b4ds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_b5ds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_b6ds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_b7ds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_addds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_ddrmode_ctl = 0x00020000,
+	.grp_ddrpke = 0x00000000,
+	.grp_ddrmode = 0x00020000,
+	.grp_ctlds = IMX6DQ_DRIVE_STRENGTH,
+	.grp_ddr_type = 0x000c0000,
+};
+
+/* configure MX6SOLO/DUALLITE mmdc DDR io registers */
+struct mx6sdl_iomux_ddr_regs mx6sdl_ddr_ioregs = {
+	.dram_sdclk_0 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdclk_1 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_cas = IMX6SDL_DRIVE_STRENGTH,
+	.dram_ras = IMX6SDL_DRIVE_STRENGTH,
+	.dram_reset = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdcke0 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdcke1 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdba2 = 0x00000000,
+	.dram_sdodt0 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdodt1 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdqs0 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdqs1 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdqs2 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdqs3 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdqs4 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdqs5 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdqs6 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_sdqs7 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_dqm0 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_dqm1 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_dqm2 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_dqm3 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_dqm4 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_dqm5 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_dqm6 = IMX6SDL_DRIVE_STRENGTH,
+	.dram_dqm7 = IMX6SDL_DRIVE_STRENGTH,
+};
+
+/* configure MX6SOLO/DUALLITE mmdc GRP io registers */
+struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = {
+	.grp_ddr_type = 0x000c0000,
+	.grp_ddrmode_ctl = 0x00020000,
+	.grp_ddrpke = 0x00000000,
+	.grp_addds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_ctlds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_ddrmode = 0x00020000,
+	.grp_b0ds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_b1ds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_b2ds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_b3ds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_b4ds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_b5ds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_b6ds = IMX6SDL_DRIVE_STRENGTH,
+	.grp_b7ds = IMX6SDL_DRIVE_STRENGTH,
+};
+
+/* mt41j256 */
+static struct mx6_ddr3_cfg mt41j256 = {
+	.mem_speed = 1066,
+	.density = 2,
+	.width = 16,
+	.banks = 8,
+	.rowaddr = 13,
+	.coladdr = 10,
+	.pagesz = 2,
+	.trcd = 1375,
+	.trcmin = 4875,
+	.trasmin = 3500,
+	.SRT = 0,
+};
+
+static struct mx6_mmdc_calibration mx6dq_mmdc_calib = {
+	.p0_mpwldectrl0 = 0x000E0009,
+	.p0_mpwldectrl1 = 0x0018000E,
+	.p1_mpwldectrl0 = 0x00000007,
+	.p1_mpwldectrl1 = 0x00000000,
+	.p0_mpdgctrl0 = 0x43280334,
+	.p0_mpdgctrl1 = 0x031C0314,
+	.p1_mpdgctrl0 = 0x4318031C,
+	.p1_mpdgctrl1 = 0x030C0258,
+	.p0_mprddlctl = 0x3E343A40,
+	.p1_mprddlctl = 0x383C3844,
+	.p0_mpwrdlctl = 0x40404440,
+	.p1_mpwrdlctl = 0x4C3E4446,
+};
+
+/* DDR 64bit */
+static struct mx6_ddr_sysinfo mem_q = {
+	.ddr_type	= DDR_TYPE_DDR3,
+	.dsize		= 2,
+	.cs1_mirror	= 0,
+	/* config for full 4GB range so that get_mem_size() works */
+	.cs_density	= 32,
+	.ncs		= 1,
+	.bi_on		= 1,
+	.rtt_nom	= 2,
+	.rtt_wr		= 2,
+	.ralat		= 5,
+	.walat		= 0,
+	.mif3_mode	= 3,
+	.rst_to_cke	= 0x23,
+	.sde_to_rst	= 0x10,
+};
+
+static struct mx6_mmdc_calibration mx6dl_mmdc_calib = {
+	.p0_mpwldectrl0 = 0x001F0024,
+	.p0_mpwldectrl1 = 0x00110018,
+	.p1_mpwldectrl0 = 0x001F0024,
+	.p1_mpwldectrl1 = 0x00110018,
+	.p0_mpdgctrl0 = 0x4230022C,
+	.p0_mpdgctrl1 = 0x02180220,
+	.p1_mpdgctrl0 = 0x42440248,
+	.p1_mpdgctrl1 = 0x02300238,
+	.p0_mprddlctl = 0x44444A48,
+	.p1_mprddlctl = 0x46484A42,
+	.p0_mpwrdlctl = 0x38383234,
+	.p1_mpwrdlctl = 0x3C34362E,
+};
+
+/* DDR 64bit 1GB */
+static struct mx6_ddr_sysinfo mem_dl = {
+	.dsize		= 2,
+	.cs1_mirror	= 0,
+	/* config for full 4GB range so that get_mem_size() works */
+	.cs_density	= 32,
+	.ncs		= 1,
+	.bi_on		= 1,
+	.rtt_nom	= 1,
+	.rtt_wr		= 1,
+	.ralat		= 5,
+	.walat		= 0,
+	.mif3_mode	= 3,
+	.rst_to_cke	= 0x23,
+	.sde_to_rst	= 0x10,
+};
+
+/* DDR 32bit 512MB */
+static struct mx6_ddr_sysinfo mem_s = {
+	.dsize		= 1,
+	.cs1_mirror	= 0,
+	/* config for full 4GB range so that get_mem_size() works */
+	.cs_density	= 32,
+	.ncs		= 1,
+	.bi_on		= 1,
+	.rtt_nom	= 1,
+	.rtt_wr		= 1,
+	.ralat		= 5,
+	.walat		= 0,
+	.mif3_mode	= 3,
+	.rst_to_cke	= 0x23,
+	.sde_to_rst	= 0x10,
+};
+#endif /* CONFIG_MX6QDL */
+
+#ifdef CONFIG_MX6UL
+static struct mx6ul_iomux_grp_regs mx6_grp_ioregs = {
+	.grp_addds = 0x00000030,
+	.grp_ddrmode_ctl = 0x00020000,
+	.grp_b0ds = 0x00000030,
+	.grp_ctlds = 0x00000030,
+	.grp_b1ds = 0x00000030,
+	.grp_ddrpke = 0x00000000,
+	.grp_ddrmode = 0x00020000,
+	.grp_ddr_type = 0x000c0000,
+};
+
+static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = {
+	.dram_dqm0 = 0x00000030,
+	.dram_dqm1 = 0x00000030,
+	.dram_ras = 0x00000030,
+	.dram_cas = 0x00000030,
+	.dram_odt0 = 0x00000030,
+	.dram_odt1 = 0x00000030,
+	.dram_sdba2 = 0x00000000,
+	.dram_sdclk_0 = 0x00000008,
+	.dram_sdqs0 = 0x00000038,
+	.dram_sdqs1 = 0x00000030,
+	.dram_reset = 0x00000030,
+};
+
+static struct mx6_mmdc_calibration mx6_mmcd_calib = {
+	.p0_mpwldectrl0 = 0x00070007,
+	.p0_mpdgctrl0 = 0x41490145,
+	.p0_mprddlctl = 0x40404546,
+	.p0_mpwrdlctl = 0x4040524D,
+};
+
+struct mx6_ddr_sysinfo ddr_sysinfo = {
+	.dsize = 0,
+	.cs_density = 20,
+	.ncs = 1,
+	.cs1_mirror = 0,
+	.rtt_wr = 2,
+	.rtt_nom = 1,		/* RTT_Nom = RZQ/2 */
+	.walat = 1,		/* Write additional latency */
+	.ralat = 5,		/* Read additional latency */
+	.mif3_mode = 3,		/* Command prediction working mode */
+	.bi_on = 1,		/* Bank interleaving enabled */
+	.sde_to_rst = 0x10,	/* 14 cycles, 200us (JEDEC default) */
+	.rst_to_cke = 0x23,	/* 33 cycles, 500us (JEDEC default) */
+	.ddr_type = DDR_TYPE_DDR3,
+};
+
+static struct mx6_ddr3_cfg mem_ddr = {
+	.mem_speed = 800,
+	.density = 4,
+	.width = 16,
+	.banks = 8,
+#ifdef TARGET_MX6UL_ISIOT
+	.rowaddr = 15,
+#else
+	.rowaddr = 13,
+#endif
+	.coladdr = 10,
+	.pagesz = 2,
+	.trcd = 1375,
+	.trcmin = 4875,
+	.trasmin = 3500,
+};
+#endif /* CONFIG_MX6UL */
+
+static void ccgr_init(void)
+{
+	struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+
+#ifdef CONFIG_MX6QDL
+	writel(0x00003F3F, &ccm->CCGR0);
+	writel(0x0030FC00, &ccm->CCGR1);
+	writel(0x000FC000, &ccm->CCGR2);
+	writel(0x3F300000, &ccm->CCGR3);
+	writel(0xFF00F300, &ccm->CCGR4);
+	writel(0x0F0000C3, &ccm->CCGR5);
+	writel(0x000003CC, &ccm->CCGR6);
+#elif CONFIG_MX6UL
+	writel(0x00c03f3f, &ccm->CCGR0);
+	writel(0xfcffff00, &ccm->CCGR1);
+	writel(0x0cffffcc, &ccm->CCGR2);
+	writel(0x3f3c3030, &ccm->CCGR3);
+	writel(0xff00fffc, &ccm->CCGR4);
+	writel(0x033f30ff, &ccm->CCGR5);
+	writel(0x00c00fff, &ccm->CCGR6);
+#endif
+}
+
+static void spl_dram_init(void)
+{
+#ifdef CONFIG_MX6QDL
+	if (is_mx6solo()) {
+		mx6sdl_dram_iocfg(32, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs);
+		mx6_dram_cfg(&mem_s, &mx6dl_mmdc_calib, &mt41j256);
+	} else if (is_mx6dl()) {
+		mx6sdl_dram_iocfg(64, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs);
+		mx6_dram_cfg(&mem_dl, &mx6dl_mmdc_calib, &mt41j256);
+	} else if (is_mx6dq()) {
+		mx6dq_dram_iocfg(64, &mx6dq_ddr_ioregs, &mx6dq_grp_ioregs);
+		mx6_dram_cfg(&mem_q, &mx6dq_mmdc_calib, &mt41j256);
+	}
+#elif CONFIG_MX6UL
+	mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
+	mx6_dram_cfg(&ddr_sysinfo, &mx6_mmcd_calib, &mem_ddr);
+#endif
+
+	udelay(100);
+}
+
+void board_init_f(ulong dummy)
+{
+	ccgr_init();
+
+	/* setup AIPS and disable watchdog */
+	arch_cpu_init();
+
+	if (!(is_mx6ul()))
+		gpr_init();
+
+	/* iomux */
+	SETUP_IOMUX_PADS(uart_pads);
+
+	/* setup GP timer */
+	timer_init();
+
+	/* UART clocks enabled and gd valid - init serial console */
+	preloader_console_init();
+
+	/* DDR initialization */
+	spl_dram_init();
+}