arm: imx: initial support for colibri imx6

This adds board support for the Toradex module family Colibri iMX6.
The familiy consists of a module with i.MX6 DualLite, i.MX6 Solo, both
with a version for commercial and industrial temperature range.

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

arch/arm/cpu/armv7/mx6/Kconfig

@@ -80,6 +80,13 @@ config TARGET_CM_FX6
 	select DM_SERIAL
 	select DM_GPIO
 
+config TARGET_COLIBRI_IMX6
+	bool "Toradex Colibri iMX6 board"
+	select SUPPORT_SPL
+	select DM
+	select DM_SERIAL
+	select DM_THERMAL
+
 config TARGET_EMBESTMX6BOARDS
 	bool "embestmx6boards"
 
@@ -279,6 +286,7 @@ source "board/technexion/pico-imx6ul/Kconfig"
 source "board/tbs/tbs2910/Kconfig"
 source "board/tqc/tqma6/Kconfig"
 source "board/toradex/apalis_imx6/Kconfig"
+source "board/toradex/colibri_imx6/Kconfig"
 source "board/udoo/Kconfig"
 source "board/udoo/neo/Kconfig"
 source "board/wandboard/Kconfig"

board/toradex/colibri_imx6/800mhz_2x64mx16.cfg

+/*
+ * Copyright (C) 2013 Boundary Devices
+ * Copyright (C) 2014-2016, Toradex AG
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+DATA 4, MX6_MMDC_P0_MDPDC, 0x0002002D
+DATA 4, MX6_MMDC_P0_MDCFG0, 0x2C305503
+DATA 4, MX6_MMDC_P0_MDCFG1, 0xB66D8D63
+DATA 4, MX6_MMDC_P0_MDCFG2, 0x01FF00DB
+DATA 4, MX6_MMDC_P0_MDRWD, 0x000026D2
+DATA 4, MX6_MMDC_P0_MDOR, 0x00301023
+DATA 4, MX6_MMDC_P0_MDOTC, 0x00333030
+DATA 4, MX6_MMDC_P0_MDPDC, 0x0002556D
+/* CS0 End: 7MSB of ((0x10000000 + 512M) -1) >> 25 */
+DATA 4, MX6_MMDC_P0_MDASP, 0x00000017
+/* DDR3 DATA BUS SIZE: 64BIT */
+/* DATA 4, MX6_MMDC_P0_MDCTL, 0x821A0000 */
+/* DDR3 DATA BUS SIZE: 32BIT */
+DATA 4, MX6_MMDC_P0_MDCTL, 0x82190000
+
+/* Write commands to DDR */
+/* Load Mode Registers */
+/* TODO Use Auto Self-Refresh mode (Extended Temperature)*/
+/* DATA 4, MX6_MMDC_P0_MDSCR, 0x04408032 */
+DATA 4, MX6_MMDC_P0_MDSCR, 0x04008032
+DATA 4, MX6_MMDC_P0_MDSCR, 0x00008033
+DATA 4, MX6_MMDC_P0_MDSCR, 0x00048031
+DATA 4, MX6_MMDC_P0_MDSCR, 0x13208030
+/* ZQ calibration */
+DATA 4, MX6_MMDC_P0_MDSCR, 0x04008040
+
+DATA 4, MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003
+DATA 4, MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003
+DATA 4, MX6_MMDC_P0_MDREF, 0x00005800
+
+DATA 4, MX6_MMDC_P0_MPODTCTRL, 0x00000000
+DATA 4, MX6_MMDC_P1_MPODTCTRL, 0x00000000
+
+DATA 4, MX6_MMDC_P0_MPDGCTRL0, 0x42360232
+DATA 4, MX6_MMDC_P0_MPDGCTRL1, 0x021F022A
+DATA 4, MX6_MMDC_P1_MPDGCTRL0, 0x421E0224
+DATA 4, MX6_MMDC_P1_MPDGCTRL1, 0x02110218
+
+DATA 4, MX6_MMDC_P0_MPRDDLCTL, 0x41434344
+DATA 4, MX6_MMDC_P1_MPRDDLCTL, 0x4345423E
+DATA 4, MX6_MMDC_P0_MPWRDLCTL, 0x39383339
+DATA 4, MX6_MMDC_P1_MPWRDLCTL, 0x3E363930
+
+DATA 4, MX6_MMDC_P0_MPWLDECTRL0, 0x00340039
+DATA 4, MX6_MMDC_P0_MPWLDECTRL1, 0x002C002D
+DATA 4, MX6_MMDC_P1_MPWLDECTRL0, 0x00120019
+DATA 4, MX6_MMDC_P1_MPWLDECTRL1, 0x0012002D
+
+DATA 4, MX6_MMDC_P0_MPMUR0, 0x00000800
+DATA 4, MX6_MMDC_P1_MPMUR0, 0x00000800
+DATA 4, MX6_MMDC_P0_MDSCR, 0x00000000
+DATA 4, MX6_MMDC_P0_MAPSR, 0x00011006

board/toradex/colibri_imx6/800mhz_4x64mx16.cfg

+/*
+ * Copyright (C) 2013 Boundary Devices
+ * Copyright (C) 2014-2016, Toradex AG
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+DATA 4, MX6_MMDC_P0_MDPDC, 0x0002002D
+DATA 4, MX6_MMDC_P0_MDCFG0, 0x2C305503
+DATA 4, MX6_MMDC_P0_MDCFG1, 0xB66D8D63
+DATA 4, MX6_MMDC_P0_MDCFG2, 0x01FF00DB
+DATA 4, MX6_MMDC_P0_MDRWD, 0x000026D2
+DATA 4, MX6_MMDC_P0_MDOR, 0x00301023
+DATA 4, MX6_MMDC_P0_MDOTC, 0x00333030
+DATA 4, MX6_MMDC_P0_MDPDC, 0x0002556D
+/* CS0 End: 7MSB of ((0x10000000 + 512M) -1) >> 25 */
+DATA 4, MX6_MMDC_P0_MDASP, 0x00000017
+/* DDR3 DATA BUS SIZE: 64BIT */
+DATA 4, MX6_MMDC_P0_MDCTL, 0x821A0000
+/* DDR3 DATA BUS SIZE: 32BIT */
+/* DATA 4, MX6_MMDC_P0_MDCTL, 0x82190000 */
+
+/* Write commands to DDR */
+/* Load Mode Registers */
+/* TODO Use Auto Self-Refresh mode (Extended Temperature)*/
+/* DATA 4, MX6_MMDC_P0_MDSCR, 0x04408032 */
+DATA 4, MX6_MMDC_P0_MDSCR, 0x04008032
+DATA 4, MX6_MMDC_P0_MDSCR, 0x00008033
+DATA 4, MX6_MMDC_P0_MDSCR, 0x00048031
+DATA 4, MX6_MMDC_P0_MDSCR, 0x13208030
+/* ZQ calibration */
+DATA 4, MX6_MMDC_P0_MDSCR, 0x04008040
+
+DATA 4, MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003
+DATA 4, MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003
+DATA 4, MX6_MMDC_P0_MDREF, 0x00005800
+
+DATA 4, MX6_MMDC_P0_MPODTCTRL, 0x00000000
+DATA 4, MX6_MMDC_P1_MPODTCTRL, 0x00000000
+
+DATA 4, MX6_MMDC_P0_MPDGCTRL0, 0x42360232
+DATA 4, MX6_MMDC_P0_MPDGCTRL1, 0x021F022A
+DATA 4, MX6_MMDC_P1_MPDGCTRL0, 0x421E0224
+DATA 4, MX6_MMDC_P1_MPDGCTRL1, 0x02110218
+
+DATA 4, MX6_MMDC_P0_MPRDDLCTL, 0x41434344
+DATA 4, MX6_MMDC_P1_MPRDDLCTL, 0x4345423E
+DATA 4, MX6_MMDC_P0_MPWRDLCTL, 0x39383339
+DATA 4, MX6_MMDC_P1_MPWRDLCTL, 0x3E363930
+
+DATA 4, MX6_MMDC_P0_MPWLDECTRL0, 0x00340039
+DATA 4, MX6_MMDC_P0_MPWLDECTRL1, 0x002C002D
+DATA 4, MX6_MMDC_P1_MPWLDECTRL0, 0x00120019
+DATA 4, MX6_MMDC_P1_MPWLDECTRL1, 0x0012002D
+
+DATA 4, MX6_MMDC_P0_MPMUR0, 0x00000800
+DATA 4, MX6_MMDC_P1_MPMUR0, 0x00000800
+DATA 4, MX6_MMDC_P0_MDSCR, 0x00000000
+DATA 4, MX6_MMDC_P0_MAPSR, 0x00011006

board/toradex/colibri_imx6/Kconfig

+if TARGET_COLIBRI_IMX6
+
+config SYS_BOARD
+	default "colibri_imx6"
+
+config SYS_CONFIG_NAME
+	default "colibri_imx6"
+
+config SYS_CPU
+	default "armv7"
+
+config SYS_SOC
+	default "mx6"
+
+config SYS_VENDOR
+	default "toradex"
+
+config TDX_CFG_BLOCK
+	default y
+
+config TDX_HAVE_MMC
+	default y
+
+config TDX_CFG_BLOCK_DEV
+	default "0"
+
+config TDX_CFG_BLOCK_PART
+	default "1"
+
+# Toradex config block in eMMC, at the end of 1st "boot sector"
+config TDX_CFG_BLOCK_OFFSET
+	default "-512"
+
+config TDX_CMD_IMX_MFGR
+	bool "Enable factory testing commands for Toradex iMX 6 modules"
+	help
+	  This adds the commands
+	    pf0100_otp_prog - Program the OTP fuses on the PMIC PF0100
+	  If executed on already fused modules it doesn't change any fuse setting.
+	default y
+
+source "board/toradex/common/Kconfig"
+
+endif

board/toradex/colibri_imx6/MAINTAINERS

+Colibri iMX6
+M:	Max Krummenacher <max.krummenacher@toradex.com>
+W:	http://developer.toradex.com/software/linux/linux-software
+S:	Maintained
+F:	board/toradex/colibri_imx6/
+F:	include/configs/colibri_imx6.h
+F:	configs/colibri_imx6_defconfig
+F:	configs/colibri_imx6_nospl_defconfig

board/toradex/colibri_imx6/Makefile

+# Copyright (c) 2012-2014 Toradex, Inc.
+# SPDX-License-Identifier:      GPL-2.0+
+
+obj-y  := colibri_imx6.o do_fuse.o
+obj-$(CONFIG_TDX_CMD_IMX_MFGR)  += pf0100.o

board/toradex/colibri_imx6/clocks.cfg

+/*
+ * Copyright (C) 2013 Boundary Devices
+ * Copyright (C) 2014-2016, Toradex AG
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * 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
+ */
+
+/* set the default clock gate to save power */
+DATA 4, CCM_CCGR0, 0x00C03F3F
+DATA 4, CCM_CCGR1, 0x0030FC03
+DATA 4, CCM_CCGR2, 0x0FFFC000
+DATA 4, CCM_CCGR3, 0x3FF00000
+DATA 4, CCM_CCGR4, 0x00FFF300
+DATA 4, CCM_CCGR5, 0x0F0000C3
+DATA 4, CCM_CCGR6, 0x000003FF
+
+/* enable AXI cache for VDOA/VPU/IPU */
+DATA 4, MX6_IOMUXC_GPR4, 0xF00000CF
+/* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
+DATA 4, MX6_IOMUXC_GPR6, 0x007F007F
+DATA 4, MX6_IOMUXC_GPR7, 0x007F007F
+
+/*
+ * 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
+ */
+DATA 4, CCM_CCOSR, 0x000000fb

board/toradex/colibri_imx6/colibri_imx6.cfg

+/*
+ * Copyright (C) 2013 Boundary Devices
+ * Copyright (C) 2014 Toradex AG
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * Refer doc/README.imximage for more details about how-to configure
+ * and create imximage boot image
+ *
+ * The syntax is taken as close as possible with the kwbimage
+ */
+
+/* image version */
+IMAGE_VERSION 2
+
+/*
+ * Boot Device : one of
+ * spi, sd (the board has no nand neither onenand)
+ */
+BOOT_FROM      sd
+
+#define __ASSEMBLY__
+#include <config.h>
+#include "asm/arch/mx6-ddr.h"
+#include "asm/arch/iomux.h"
+#include "asm/arch/crm_regs.h"
+
+#include "ddr-setup.cfg"
+
+#if CONFIG_DDR_MB == 256
+#include "800mhz_2x64mx16.cfg"
+#elif CONFIG_DDR_MB == 512
+#include "800mhz_4x64mx16.cfg"
+#else
+#error "unknown DDR size"
+#endif
+
+#include "clocks.cfg"

board/toradex/colibri_imx6/ddr-setup.cfg

+/*
+ * Copyright (C) 2013 Boundary Devices
+ * Copyright (C) 2014-2016, Toradex AG
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * 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
+ */
+
+/*
+ * DDR3 settings
+ * MX6Q    ddr is limited to 1066 Mhz	currently 1056 MHz(528 MHz clock),
+ *	   memory bus width: 64 bits	x16/x32/x64
+ * MX6DL   ddr is limited to 800 MHz(400 MHz clock)
+ *	   memory bus width: 64 bits	x16/x32/x64
+ * MX6SOLO ddr is limited to 800 MHz(400 MHz clock)
+ *	   memory bus width: 32 bits	x16/x32
+ */
+DATA 4, MX6_IOM_DRAM_SDQS0, 0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS1, 0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS2, 0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS3, 0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS4, 0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS5, 0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS6, 0x00000030
+DATA 4, MX6_IOM_DRAM_SDQS7, 0x00000030
+
+DATA 4, MX6_IOM_GRP_B0DS, 0x00000030
+DATA 4, MX6_IOM_GRP_B1DS, 0x00000030
+DATA 4, MX6_IOM_GRP_B2DS, 0x00000030
+DATA 4, MX6_IOM_GRP_B3DS, 0x00000030
+DATA 4, MX6_IOM_GRP_B4DS, 0x00000030
+DATA 4, MX6_IOM_GRP_B5DS, 0x00000030
+DATA 4, MX6_IOM_GRP_B6DS, 0x00000030
+DATA 4, MX6_IOM_GRP_B7DS, 0x00000030
+DATA 4, MX6_IOM_GRP_ADDDS, 0x00000030
+/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
+DATA 4, MX6_IOM_GRP_CTLDS, 0x00000030
+
+DATA 4, MX6_IOM_DRAM_DQM0, 0x00020030
+DATA 4, MX6_IOM_DRAM_DQM1, 0x00020030
+DATA 4, MX6_IOM_DRAM_DQM2, 0x00020030
+DATA 4, MX6_IOM_DRAM_DQM3, 0x00020030
+DATA 4, MX6_IOM_DRAM_DQM4, 0x00020030
+DATA 4, MX6_IOM_DRAM_DQM5, 0x00020030
+DATA 4, MX6_IOM_DRAM_DQM6, 0x00020030
+DATA 4, MX6_IOM_DRAM_DQM7, 0x00020030
+
+DATA 4, MX6_IOM_DRAM_CAS, 0x00020030
+DATA 4, MX6_IOM_DRAM_RAS, 0x00020030
+DATA 4, MX6_IOM_DRAM_SDCLK_0, 0x00020030
+DATA 4, MX6_IOM_DRAM_SDCLK_1, 0x00020030
+
+DATA 4, MX6_IOM_DRAM_RESET, 0x00020030
+DATA 4, MX6_IOM_DRAM_SDCKE0, 0x00003000
+DATA 4, MX6_IOM_DRAM_SDCKE1, 0x00003000
+
+DATA 4, MX6_IOM_DRAM_SDODT0, 0x00003030
+DATA 4, MX6_IOM_DRAM_SDODT1, 0x00003030
+
+/* (differential input) */
+DATA 4, MX6_IOM_DDRMODE_CTL, 0x00020000
+/* (differential input) */
+DATA 4, MX6_IOM_GRP_DDRMODE, 0x00020000
+/* disable ddr pullups */
+DATA 4, MX6_IOM_GRP_DDRPKE, 0x00000000
+DATA 4, MX6_IOM_DRAM_SDBA2, 0x00000000
+/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
+DATA 4, MX6_IOM_GRP_DDR_TYPE, 0x000C0000
+
+/* Read data DQ Byte0-3 delay */
+DATA 4, MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333
+DATA 4, MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333
+DATA 4, MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333
+DATA 4, MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333
+DATA 4, MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333
+DATA 4, MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333
+DATA 4, MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333
+DATA 4, MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333
+
+/*
+ * MDMISC	mirroring	interleaved (row/bank/col)
+ */
+/* TODO: check what the RALAT field does */
+DATA 4, MX6_MMDC_P0_MDMISC, 0x00081740
+
+/*
+ * MDSCR	con_req
+ */
+DATA 4, MX6_MMDC_P0_MDSCR, 0x00008000

board/toradex/colibri_imx6/do_fuse.c

+/*
+ * Copyright (C) 2014-2016, Toradex AG
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/*
+ * Helpers for i.MX OTP fusing during module production
+*/
+
+#include <common.h>
+#ifndef CONFIG_SPL_BUILD
+#include <console.h>
+#include <fuse.h>
+
+static int mfgr_fuse(void)
+{
+	unsigned val, val6;
+
+	fuse_sense(0, 5, &val);
+	printf("Fuse 0, 5: %8x\n", val);
+	fuse_sense(0, 6, &val6);
+	printf("Fuse 0, 6: %8x\n", val6);
+	fuse_sense(4, 3, &val);
+	printf("Fuse 4, 3: %8x\n", val);
+	fuse_sense(4, 2, &val);
+	printf("Fuse 4, 2: %8x\n", val);
+	if (val6 & 0x10) {
+		puts("BT_FUSE_SEL already fused, will do nothing\n");
+		return CMD_RET_FAILURE;
+	}
+	/* boot cfg */
+	fuse_prog(0, 5, 0x00005072);
+	/* BT_FUSE_SEL */
+	fuse_prog(0, 6, 0x00000010);
+	return CMD_RET_SUCCESS;
+}
+
+int do_mfgr_fuse(cmd_tbl_t *cmdtp, int flag, int argc,
+		char * const argv[])
+{
+	int ret;
+	puts("Fusing...\n");
+	ret = mfgr_fuse();
+	if (ret == CMD_RET_SUCCESS)
+		puts("done.\n");
+	else
+		puts("failed.\n");
+	return ret;
+}
+
+int do_updt_fuse(cmd_tbl_t *cmdtp, int flag, int argc,
+		char * const argv[])
+{
+	unsigned val;
+	int ret;
+	int confirmed = argc >= 1 && !strcmp(argv[1], "-y");
+
+	/* can be used in scripts for command availability check */
+	if (argc >= 1 && !strcmp(argv[1], "-n"))
+		return CMD_RET_SUCCESS;
+
+	/* boot cfg */
+	fuse_sense(0, 5, &val);
+	printf("Fuse 0, 5: %8x\n", val);
+	if (val & 0x10) {
+		puts("Fast boot mode already fused, no need to fuse\n");
+		return CMD_RET_SUCCESS;
+	}
+	if (!confirmed) {
+		puts("Warning: Programming fuses is an irreversible operation!\n"
+				"         Updating to fast boot mode prevents easy\n"
+				"         downgrading to previous BSP versions.\n"
+				"\nReally perform this fuse programming? <y/N>\n");
+		if (!confirm_yesno())
+			return CMD_RET_FAILURE;
+	}
+	puts("Fusing fast boot mode...\n");
+	ret = fuse_prog(0, 5, 0x00005072);
+	if (ret == CMD_RET_SUCCESS)
+		puts("done.\n");
+	else
+		puts("failed.\n");
+	return ret;
+}
+
+U_BOOT_CMD(
+	mfgr_fuse, 1, 0, do_mfgr_fuse,
+	"OTP fusing during module production",
+	""
+);
+
+U_BOOT_CMD(
+	updt_fuse, 2, 0, do_updt_fuse,
+	"OTP fusing during module update",
+	"updt_fuse [-n] [-y] - boot cfg fast boot mode fusing"
+);
+#endif /* CONFIG_SPL_BUILD */

board/toradex/colibri_imx6/pf0100.c

+/*
+ * Copyright (C) 2014-2016, Toradex AG
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/*
+ * Helpers for Freescale PMIC PF0100
+*/
+
+#include <common.h>
+#include <i2c.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/gpio.h>
+#include <asm/imx-common/iomux-v3.h>
+
+#include "pf0100_otp.inc"
+#include "pf0100.h"
+
+/* define for PMIC register dump */
+/*#define DEBUG */
+
+/* use GPIO: EXT_IO1 to switch on VPGM, ON: 1 */
+static iomux_v3_cfg_t const pmic_prog_pads[] = {
+	MX6_PAD_NANDF_D3__GPIO2_IO03 | MUX_PAD_CTRL(NO_PAD_CTRL),
+#	define PMIC_PROG_VOLTAGE IMX_GPIO_NR(2, 3)
+};
+
+unsigned pmic_init(void)
+{
+	unsigned programmed = 0;
+	uchar bus = 1;
+	uchar devid, revid, val;
+
+	puts("PMIC: ");
+	if (!((0 == i2c_set_bus_num(bus)) &&
+	      (0 == i2c_probe(PFUZE100_I2C_ADDR)))) {
+		puts("i2c bus failed\n");
+		return 0;
+	}
+	/* get device ident */
+	if (i2c_read(PFUZE100_I2C_ADDR, PFUZE100_DEVICEID, 1, &devid, 1) < 0) {
+		puts("i2c pmic devid read failed\n");
+		return 0;
+	}
+	if (i2c_read(PFUZE100_I2C_ADDR, PFUZE100_REVID, 1, &revid, 1) < 0) {
+		puts("i2c pmic revid read failed\n");
+		return 0;
+	}
+	printf("device id: 0x%.2x, revision id: 0x%.2x\n", devid, revid);
+
+#ifdef DEBUG
+	{
+		unsigned i, j;
+
+		for (i = 0; i < 16; i++)
+			printf("\t%x", i);
+		for (j = 0; j < 0x80; ) {
+			printf("\n%2x", j);
+			for (i = 0; i < 16; i++) {
+				i2c_read(PFUZE100_I2C_ADDR, j+i, 1, &val, 1);
+				printf("\t%2x", val);
+			}
+			j += 0x10;
+		}
+		printf("\nEXT Page 1");
+
+		val = PFUZE100_PAGE_REGISTER_PAGE1;
+		if (i2c_write(PFUZE100_I2C_ADDR, PFUZE100_PAGE_REGISTER, 1,
+			      &val, 1)) {
+			puts("i2c write failed\n");
+			return 0;
+		}
+
+		for (j = 0x80; j < 0x100; ) {
+			printf("\n%2x", j);
+			for (i = 0; i < 16; i++) {
+				i2c_read(PFUZE100_I2C_ADDR, j+i, 1, &val, 1);
+				printf("\t%2x", val);
+			}
+			j += 0x10;
+		}
+		printf("\nEXT Page 2");
+
+		val = PFUZE100_PAGE_REGISTER_PAGE2;
+		if (i2c_write(PFUZE100_I2C_ADDR, PFUZE100_PAGE_REGISTER, 1,
+			      &val, 1)) {
+			puts("i2c write failed\n");
+			return 0;
+		}
+
+		for (j = 0x80; j < 0x100; ) {
+			printf("\n%2x", j);
+			for (i = 0; i < 16; i++) {
+				i2c_read(PFUZE100_I2C_ADDR, j+i, 1, &val, 1);
+				printf("\t%2x", val);
+			}
+			j += 0x10;
+		}
+		printf("\n");
+	}
+#endif
+	/* get device programmed state */
+	val = PFUZE100_PAGE_REGISTER_PAGE1;
+	if (i2c_write(PFUZE100_I2C_ADDR, PFUZE100_PAGE_REGISTER, 1, &val, 1)) {
+		puts("i2c write failed\n");
+		return 0;
+	}
+	if (i2c_read(PFUZE100_I2C_ADDR, PFUZE100_FUSE_POR1, 1, &val, 1) < 0) {
+		puts("i2c fuse_por read failed\n");
+		return 0;
+	}
+	if (val & PFUZE100_FUSE_POR_M)
+		programmed++;
+
+	if (i2c_read(PFUZE100_I2C_ADDR, PFUZE100_FUSE_POR2, 1, &val, 1) < 0) {
+		puts("i2c fuse_por read failed\n");
+		return programmed;
+	}
+	if (val & PFUZE100_FUSE_POR_M)
+		programmed++;
+
+	if (i2c_read(PFUZE100_I2C_ADDR, PFUZE100_FUSE_POR3, 1, &val, 1) < 0) {
+		puts("i2c fuse_por read failed\n");
+		return programmed;
+	}
+	if (val & PFUZE100_FUSE_POR_M)
+		programmed++;
+
+	switch (programmed) {
+	case 0:
+		printf("PMIC: not programmed\n");
+		break;
+	case 3:
+		printf("PMIC: programmed\n");
+		break;
+	default:
+		printf("PMIC: undefined programming state\n");
+		break;
+	}
+
+	return programmed;
+}
+
+int pf0100_prog(void)
+{
+	unsigned char bus = 1;
+	unsigned char val;
+	unsigned int i;
+
+	if (pmic_init() == 3) {
+		puts("PMIC already programmed, exiting\n");
+		return CMD_RET_FAILURE;
+	}
+	/* set up gpio to manipulate vprog, initially off */
+	imx_iomux_v3_setup_multiple_pads(pmic_prog_pads,
+					 ARRAY_SIZE(pmic_prog_pads));
+	gpio_direction_output(PMIC_PROG_VOLTAGE, 0);
+
+	if (!((0 == i2c_set_bus_num(bus)) &&
+	      (0 == i2c_probe(PFUZE100_I2C_ADDR)))) {
+		puts("i2c bus failed\n");
+		return CMD_RET_FAILURE;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(pmic_otp_prog); i++) {
+		switch (pmic_otp_prog[i].cmd) {
+		case pmic_i2c:
+			val = (unsigned char) (pmic_otp_prog[i].value & 0xff);
+			if (i2c_write(PFUZE100_I2C_ADDR, pmic_otp_prog[i].reg,
+				      1, &val, 1)) {
+				printf("i2c write failed, reg 0x%2x, value 0x%2x\n",
+				       pmic_otp_prog[i].reg, val);
+				return CMD_RET_FAILURE;
+			}
+			break;
+		case pmic_delay:
+			udelay(pmic_otp_prog[i].value * 1000);
+			break;
+		case pmic_vpgm:
+			gpio_direction_output(PMIC_PROG_VOLTAGE,
+					      pmic_otp_prog[i].value);
+			break;
+		case pmic_pwr:
+			/* TODO */
+			break;
+		}
+	}
+	return CMD_RET_SUCCESS;
+}
+
+int do_pf0100_prog(cmd_tbl_t *cmdtp, int flag, int argc,
+		char * const argv[])
+{
+	int ret;
+	puts("Programming PMIC OTP...");
+	ret = pf0100_prog();
+	if (ret == CMD_RET_SUCCESS)
+		puts("done.\n");
+	else
+		puts("failed.\n");
+	return ret;
+}
+
+U_BOOT_CMD(
+	pf0100_otp_prog, 1, 0, do_pf0100_prog,
+	"Program the OTP fuses on the PMIC PF0100",
+	""
+);

board/toradex/colibri_imx6/pf0100.h

+/*
+ * Copyright (C) 2014-2016, Toradex AG
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/*
+ * Helpers for Freescale PMIC PF0100
+*/
+
+#ifndef PF0100_H_
+#define PF0100_H_
+
+/* 7-bit I2C bus slave address */
+#define PFUZE100_I2C_ADDR		(0x08)
+/* Register Addresses */
+#define PFUZE100_DEVICEID		(0x0)
+#define PFUZE100_REVID			(0x3)
+#define PFUZE100_SW1AMODE		(0x23)
+#define PFUZE100_SW1ACON		36
+#define PFUZE100_SW1ACON_SPEED_VAL	(0x1<<6)	/*default */
+#define PFUZE100_SW1ACON_SPEED_M	(0x3<<6)
+#define PFUZE100_SW1CCON		49
+#define PFUZE100_SW1CCON_SPEED_VAL	(0x1<<6)	/*default */
+#define PFUZE100_SW1CCON_SPEED_M	(0x3<<6)
+#define PFUZE100_SW1AVOL		32
+#define PFUZE100_SW1AVOL_VSEL_M		(0x3f<<0)
+#define PFUZE100_SW1CVOL		46
+#define PFUZE100_SW1CVOL_VSEL_M		(0x3f<<0)
+#define PFUZE100_VGEN1CTL		(0x6c)
+#define PFUZE100_VGEN1_VAL		(0x30 + 0x08) /* Always ON, 1.2V */
+#define PFUZE100_SWBSTCTL		(0x66)
+/* Always ON, Auto Switching Mode, 5.0V */
+#define PFUZE100_SWBST_VAL		(0x40 + 0x08 + 0x00)
+
+/* chooses the extended page (registers 0x80..0xff) */
+#define PFUZE100_PAGE_REGISTER		0x7f
+#define PFUZE100_PAGE_REGISTER_PAGE_M	(0x1f << 0)
+#define PFUZE100_PAGE_REGISTER_PAGE1	(0x01 & PFUZE100_PAGE_REGISTER_PAGE_M)
+#define PFUZE100_PAGE_REGISTER_PAGE2	(0x02 & PFUZE100_PAGE_REGISTER_PAGE_M)
+
+/* extended page 1 */
+#define PFUZE100_FUSE_POR1		0xe4
+#define PFUZE100_FUSE_POR2		0xe5
+#define PFUZE100_FUSE_POR3		0xe6
+#define PFUZE100_FUSE_POR_M		(0x1 << 1)
+
+
+/* output some informational messages, return the number FUSE_POR=1 */
+/* i.e. 0: unprogrammed, 3: programmed, other: undefined prog. state */
+unsigned pmic_init(void);
+
+/* programmes OTP fuses to values required on a Toradex Apalis iMX6 */
+int pf0100_prog(void);
+
+#endif /* PF0100_H_ */

board/toradex/colibri_imx6/pf0100_otp.inc

+/*
+ * Copyright (C) 2014-2016, Toradex AG
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+// Register Output for PF0100 programmer
+// Customer: Toradex AG
+// Program: Colibri iMX6
+// Sample marking:
+// Date: 24.07.2015
+// Time: 10:52:58
+// Generated from Spreadsheet Revision: P1.8
+
+/* sed commands to get from programmer script to struct */
+/* sed -e 's/^WRITE_I2C:\(..\):\(..\)/\{pmic_i2c, 0x\1, 0x\2\},/g' -e 's/^DELAY:\([0-9]*\)/\{pmic_delay, 0, \1\},/g' pf0100_otp_Colibri_iMX6.txt > pf0100_otp.inc
+   sed -i -e 's/^VPGM:ON/\{pmic_vpgm, 0, 1},/g' -e 's/^VPGM:OFF/\{pmic_vpgm, 0, 0},/g' pf0100_otp.inc
+   sed -i -e 's/^PWRON: HIGH/\{pmic_pwr, 0, 1},/g' -e 's/^PWRON:LOW/\{pmic_pwr, 0, 0},/g' pf0100_otp.inc */
+
+enum { pmic_i2c, pmic_delay, pmic_vpgm, pmic_pwr };
+struct pmic_otp_prog_t{
+	unsigned char cmd;
+	unsigned char reg;
+	unsigned short value;
+};
+
+struct pmic_otp_prog_t pmic_otp_prog[] = {
+{pmic_i2c, 0x7F, 0x01}, // Access FSL EXT Page 1
+{pmic_i2c, 0xA0, 0x2B}, // Auto gen from Row94
+{pmic_i2c, 0xA1, 0x01}, // Auto gen from Row95
+{pmic_i2c, 0xA2, 0x05}, // Auto gen from Row96
+{pmic_i2c, 0xA8, 0x2B}, // Auto gen from Row102
+{pmic_i2c, 0xA9, 0x02}, // Auto gen from Row103
+{pmic_i2c, 0xAA, 0x01}, // Auto gen from Row104
+{pmic_i2c, 0xAC, 0x18}, // Auto gen from Row106
+{pmic_i2c, 0xAE, 0x01}, // Auto gen from Row108
+{pmic_i2c, 0xB0, 0x2C}, // Auto gen from Row110
+{pmic_i2c, 0xB1, 0x04}, // Auto gen from Row111
+{pmic_i2c, 0xB2, 0x01}, // Auto gen from Row112
+{pmic_i2c, 0xB4, 0x2C}, // Auto gen from Row114
+{pmic_i2c, 0xB5, 0x04}, // Auto gen from Row115
+{pmic_i2c, 0xB6, 0x01}, // Auto gen from Row116
+{pmic_i2c, 0xB8, 0x18}, // Auto gen from Row118
+{pmic_i2c, 0xBA, 0x01}, // Auto gen from Row120
+{pmic_i2c, 0xBD, 0x0E}, // Auto gen from Row123
+{pmic_i2c, 0xC0, 0x06}, // Auto gen from Row126
+{pmic_i2c, 0xC4, 0x04}, // Auto gen from Row130
+{pmic_i2c, 0xC8, 0x0E}, // Auto gen from Row134
+{pmic_i2c, 0xCC, 0x0E}, // Auto gen from Row138
+{pmic_i2c, 0xCD, 0x05}, // Auto gen from Row139
+{pmic_i2c, 0xD0, 0x0C}, // Auto gen from Row142
+{pmic_i2c, 0xD5, 0x07}, // Auto gen from Row147
+{pmic_i2c, 0xD8, 0x07}, // Auto gen from Row150
+{pmic_i2c, 0xD9, 0x06}, // Auto gen from Row151
+{pmic_i2c, 0xDC, 0x0A}, // Auto gen from Row154
+{pmic_i2c, 0xDD, 0x03}, // Auto gen from Row155
+{pmic_i2c, 0xE0, 0x05}, // Auto gen from Row158
+
+#if 0 /* TBB mode */
+{pmic_i2c, 0xE4, 0x80}, // TBB_POR = 1
+{pmic_delay, 0, 10},
+#else
+// Write OTP
+{pmic_i2c, 0xE4, 0x02}, // FUSE POR1=1
+{pmic_i2c, 0xE5, 0x02}, // FUSE POR2=1
+{pmic_i2c, 0xE6, 0x02}, // FUSE POR3=1
+{pmic_i2c, 0xF0, 0x1F}, // Enable ECC for fuse banks 1 to 5 by writing to OTP EN ECC0 register
+{pmic_i2c, 0xF1, 0x1F}, // Enable ECC for fuse banks 6 to 10 by writing to OTP EN ECC1 register
+{pmic_i2c, 0x7F, 0x02}, // Access PF0100 EXT Page2
+{pmic_i2c, 0xD0, 0x1F}, // Set Auto ECC for fuse banks 1 to 5 by writing to OTP AUTO ECC0 register
+{pmic_i2c, 0xD1, 0x1F}, // Set Auto ECC for fuse banks 6 to 10 by writing to OTP AUTO ECC1 register
+//-----------------------------------------------------------------------------------
+{pmic_i2c, 0xF1, 0x00}, // Reset Bank 1 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF2, 0x00}, // Reset Bank 2 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF3, 0x00}, // Reset Bank 3 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF4, 0x00}, // Reset Bank 4 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF5, 0x00}, // Reset Bank 5 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF6, 0x00}, // Reset Bank 6 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF7, 0x00}, // Reset Bank 7 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF8, 0x00}, // Reset Bank 8 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF9, 0x00}, // Reset Bank 9 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xFA, 0x00}, // Reset Bank 10 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+//-----------------------------------------------------------------------------------
+{pmic_vpgm, 0, 1}, // Turn ON 8V SWBST
+//VPGM:DOWN:n
+//VPGM:UP:n
+{pmic_delay, 0, 500}, // Adds 500msec delay to allow VPGM time to ramp up
+//-----------------------------------------------------------------------------------
+// PF0100 OTP MANUAL-PROGRAMMING (BANK 1 thru 10)
+//-----------------------------------------------------------------------------------
+// BANK 1
+//-----------------------------------------------------------------------------------
+{pmic_i2c, 0xF1, 0x00}, // Reset Bank 1 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF1, 0x03}, // Set Bank 1 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF1, 0x0B}, // Set Bank 1 ANTIFUSE_EN
+{pmic_delay, 0, 10}, // Allow time for bank programming to complete
+{pmic_i2c, 0xF1, 0x03}, // Reset Bank 1 ANTIFUSE_EN
+{pmic_i2c, 0xF1, 0x00}, // Reset Bank 1 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+//-----------------------------------------------------------------------------------
+// BANK 2
+//-----------------------------------------------------------------------------------
+{pmic_i2c, 0xF2, 0x00}, // Reset Bank 2 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF2, 0x03}, // Set Bank 2 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF2, 0x0B}, // Set Bank 2 ANTIFUSE_EN
+{pmic_delay, 0, 10}, // Allow time for bank programming to complete
+{pmic_i2c, 0xF2, 0x03}, // Reset Bank 2 ANTIFUSE_EN
+{pmic_i2c, 0xF2, 0x00}, // Reset Bank 2 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+//-----------------------------------------------------------------------------------
+// BANK 3
+//-----------------------------------------------------------------------------------
+{pmic_i2c, 0xF3, 0x00}, // Reset Bank 3 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF3, 0x03}, // Set Bank 3 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF3, 0x0B}, // Set Bank 3 ANTIFUSE_EN
+{pmic_delay, 0, 10}, // Allow time for bank programming to complete
+{pmic_i2c, 0xF3, 0x03}, // Reset Bank 3 ANTIFUSE_EN
+{pmic_i2c, 0xF3, 0x00}, // Reset Bank 3 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+//-----------------------------------------------------------------------------------
+// BANK 4
+//-----------------------------------------------------------------------------------
+{pmic_i2c, 0xF4, 0x00}, // Reset Bank 4 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF4, 0x03}, // Set Bank 4 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF4, 0x0B}, // Set Bank 4 ANTIFUSE_EN
+{pmic_delay, 0, 10}, // Allow time for bank programming to complete
+{pmic_i2c, 0xF4, 0x03}, // Reset Bank 4 ANTIFUSE_EN
+{pmic_i2c, 0xF4, 0x00}, // Reset Bank 4 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+//-----------------------------------------------------------------------------------
+// BANK 5
+//-----------------------------------------------------------------------------------
+{pmic_i2c, 0xF5, 0x00}, // Reset Bank 5 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF5, 0x03}, // Set Bank 5 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF5, 0x0B}, // Set Bank 5 ANTIFUSE_EN
+{pmic_delay, 0, 10}, // Allow time for bank programming to complete
+{pmic_i2c, 0xF5, 0x03}, // Reset Bank 5 ANTIFUSE_EN
+{pmic_i2c, 0xF5, 0x00}, // Reset Bank 5 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+//-----------------------------------------------------------------------------------
+// BANK 6
+//-----------------------------------------------------------------------------------
+{pmic_i2c, 0xF6, 0x00}, // Reset Bank 6 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF6, 0x03}, // Set Bank 6 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF6, 0x0B}, // Set Bank 6 ANTIFUSE_EN
+{pmic_delay, 0, 10}, // Allow time for bank programming to complete
+{pmic_i2c, 0xF6, 0x03}, // Reset Bank 6 ANTIFUSE_EN
+{pmic_i2c, 0xF6, 0x00}, // Reset Bank 6 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+//-----------------------------------------------------------------------------------
+// BANK 7
+//-----------------------------------------------------------------------------------
+{pmic_i2c, 0xF7, 0x00}, // Reset Bank 7 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF7, 0x03}, // Set Bank 7 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF7, 0x0B}, // Set Bank 7 ANTIFUSE_EN
+{pmic_delay, 0, 10}, // Allow time for bank programming to complete
+{pmic_i2c, 0xF7, 0x03}, // Reset Bank 7 ANTIFUSE_EN
+{pmic_i2c, 0xF7, 0x00}, // Reset Bank 7 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+//-----------------------------------------------------------------------------------
+// BANK 8
+//-----------------------------------------------------------------------------------
+{pmic_i2c, 0xF8, 0x00}, // Reset Bank 8 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF8, 0x03}, // Set Bank 8 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF8, 0x0B}, // Set Bank 8 ANTIFUSE_EN
+{pmic_delay, 0, 10}, // Allow time for bank programming to complete
+{pmic_i2c, 0xF8, 0x03}, // Reset Bank 8 ANTIFUSE_EN
+{pmic_i2c, 0xF8, 0x00}, // Reset Bank 8 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+//-----------------------------------------------------------------------------------
+// BANK 9
+//-----------------------------------------------------------------------------------
+{pmic_i2c, 0xF9, 0x00}, // Reset Bank 9 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF9, 0x03}, // Set Bank 9 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xF9, 0x0B}, // Set Bank 9 ANTIFUSE_EN
+{pmic_delay, 0, 10}, // Allow time for bank programming to complete
+{pmic_i2c, 0xF9, 0x03}, // Reset Bank 9 ANTIFUSE_EN
+{pmic_i2c, 0xF9, 0x00}, // Reset Bank 9 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+//-----------------------------------------------------------------------------------
+// BANK 10
+//-----------------------------------------------------------------------------------
+{pmic_i2c, 0xFA, 0x00}, // Reset Bank 10 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xFA, 0x03}, // Set Bank 10 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+{pmic_i2c, 0xFA, 0x0B}, // Set Bank 10 ANTIFUSE_EN
+{pmic_delay, 0, 10}, // Allow time for bank programming to complete
+{pmic_i2c, 0xFA, 0x03}, // Reset Bank 10 ANTIFUSE_EN
+{pmic_i2c, 0xFA, 0x00}, // Reset Bank 10 ANTIFUSE_RW and ANTIFUSE_BYPASS bits
+//-----------------------------------------------------------------------------------
+{pmic_vpgm, 0, 0}, // Turn off 8V SWBST
+{pmic_delay, 0, 500}, // Adds delay to allow VPGM to bleed off
+{pmic_i2c, 0xD0, 0x00}, // Clear
+{pmic_i2c, 0xD1, 0x00}, // Clear
+{pmic_pwr, 0, 0}, // PWRON LOW to reload new OTP data
+{pmic_delay, 0, 500},
+{pmic_pwr, 0, 1},
+#endif
+};
\ No newline at end of file

configs/colibri_imx6_defconfig

+CONFIG_ARM=y
+CONFIG_ARCH_MX6=y
+CONFIG_SPL_GPIO_SUPPORT=y
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_TARGET_COLIBRI_IMX6=y
+CONFIG_SPL_I2C_SUPPORT=y
+CONFIG_SPL_MMC_SUPPORT=y
+CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_VIDEO=y
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,MX6DL"
+CONFIG_BOOTDELAY=1
+# CONFIG_CONSOLE_MUX is not set
+# CONFIG_DISPLAY_BOARDINFO is not set
+CONFIG_SPL=y
+CONFIG_SPL_DMA_SUPPORT=y
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="Colibri iMX6 # "
+CONFIG_CMD_BOOTZ=y
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_XIMG is not set
+CONFIG_CMD_ASKENV=y
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_DFU=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+# CONFIG_CMD_FPGA is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_GADGET=y
+CONFIG_CI_UDC=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_G_DNL_MANUFACTURER="Toradex"
+CONFIG_G_DNL_VENDOR_NUM=0x1b67
+CONFIG_G_DNL_PRODUCT_NUM=0x4020
+CONFIG_OF_LIBFDT=y
+# CONFIG_EFI_LOADER is not set

configs/colibri_imx6_nospl_defconfig

+CONFIG_ARM=y
+CONFIG_ARCH_MX6=y
+CONFIG_TARGET_COLIBRI_IMX6=y
+CONFIG_VIDEO=y
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/toradex/colibri_imx6/colibri_imx6.cfg,MX6DL,DDR_MB=256"
+CONFIG_BOOTDELAY=1
+# CONFIG_CONSOLE_MUX is not set
+# CONFIG_DISPLAY_BOARDINFO is not set
+CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PROMPT="Colibri iMX6 # "
+CONFIG_CMD_BOOTZ=y
+# CONFIG_CMD_ELF is not set
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_XIMG is not set
+CONFIG_CMD_ASKENV=y
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_DFU=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+# CONFIG_CMD_FPGA is not set
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_MII=y
+CONFIG_CMD_PING=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_FS_GENERIC=y
+CONFIG_DM=y
+CONFIG_DM_THERMAL=y
+CONFIG_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_GADGET=y
+CONFIG_CI_UDC=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_G_DNL_MANUFACTURER="Toradex"
+CONFIG_G_DNL_VENDOR_NUM=0x1b67
+CONFIG_G_DNL_PRODUCT_NUM=0x4020
+CONFIG_OF_LIBFDT=y
+# CONFIG_EFI_LOADER is not set

include/configs/colibri_imx6.h

+/*
+ * Copyright 2013-2015 Toradex, Inc.
+ *
+ * Configuration settings for the Toradex Colibri iMX6
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include "mx6_common.h"
+#define CONFIG_SYS_THUMB_BUILD
+/* These are not provided in SPL and result in a linker error */
+#if !defined(CONFIG_SPL_BUILD)
+#define CONFIG_USE_ARCH_MEMCPY
+#define CONFIG_USE_ARCH_MEMSET
+#endif
+
+#undef CONFIG_DISPLAY_BOARDINFO
+#define CONFIG_DISPLAY_BOARDINFO_LATE	/* Calls show_board_info() */
+
+#define CONFIG_SYS_GENERIC_BOARD
+
+#include <asm/arch/imx-regs.h>
+#include <asm/imx-common/gpio.h>
+
+#ifdef CONFIG_SPL
+#include "imx6_spl.h"
+#define CONFIG_SPL_PAD_TO		0x11000 /* 4k IVT/DCD, 64k SPL */
+#endif
+
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+#define CONFIG_REVISION_TAG
+#define CONFIG_SERIAL_TAG
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		(32 * 1024 * 1024)
+
+#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_BOARD_LATE_INIT
+#define CONFIG_MISC_INIT_R
+
+#define CONFIG_MXC_UART
+#define CONFIG_MXC_UART_BASE		UART1_BASE
+
+/* Make the HW version stuff available in U-Boot env */
+#define CONFIG_VERSION_VARIABLE		/* ver environment variable */
+#define CONFIG_ENV_VARS_UBOOT_CONFIG
+#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+
+/* I2C Configs */
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_MXC
+#define CONFIG_SYS_I2C_MXC_I2C1         /* enable I2C bus 1 */
+#define CONFIG_SYS_I2C_MXC_I2C2         /* enable I2C bus 2 */
+#define CONFIG_SYS_I2C_MXC_I2C3         /* enable I2C bus 3 */
+#define CONFIG_SYS_I2C_SPEED		100000
+
+/* OCOTP Configs */
+#define CONFIG_CMD_FUSE
+#ifdef CONFIG_CMD_FUSE
+#define CONFIG_MXC_OCOTP
+#endif
+
+/* MMC Configs */
+#define CONFIG_FSL_ESDHC
+#define CONFIG_FSL_USDHC
+#define CONFIG_SYS_FSL_ESDHC_ADDR	0
+#define CONFIG_SYS_FSL_USDHC_NUM	2
+
+#define CONFIG_SUPPORT_EMMC_BOOT	/* eMMC specific */
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_BOUNCE_BUFFER
+#define CONFIG_FAT_WRITE
+#define CONFIG_DOS_PARTITION
+
+/* Network */
+#define CONFIG_FEC_MXC
+#define CONFIG_MII
+#define IMX_FEC_BASE			ENET_BASE_ADDR
+#define CONFIG_FEC_XCV_TYPE		RMII
+#define CONFIG_ETHPRIME			"FEC"
+#define CONFIG_FEC_MXC_PHYADDR		1
+#define CONFIG_PHYLIB
+#define CONFIG_PHY_MICREL
+#define CONFIG_IP_DEFRAG
+#define CONFIG_TFTP_BLOCKSIZE		16352
+#define CONFIG_TFTP_TSIZE
+
+/* USB Configs */
+/* Host */
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_MAX_CONTROLLER_COUNT		2
+#define CONFIG_EHCI_HCD_INIT_AFTER_RESET	/* For OTG port */
+#define CONFIG_MXC_USB_PORTSC		(PORT_PTS_UTMI | PORT_PTS_PTW)
+#define CONFIG_MXC_USB_FLAGS		0
+#define CONFIG_USB_KEYBOARD
+#ifdef CONFIG_USB_KEYBOARD
+#define CONFIG_SYS_USB_EVENT_POLL
+#endif /* CONFIG_USB_KEYBOARD */
+/* Client */
+#define CONFIG_USB_GADGET_VBUS_DRAW	2
+#define CONFIG_USBD_HS
+
+#define CONFIG_USB_GADGET_MASS_STORAGE
+#define CONFIG_USB_FUNCTION_MASS_STORAGE
+#define CONFIG_G_DNL_MANUFACTURER	"Toradex"
+/* USB DFU */
+#define CONFIG_DFU_MMC
+
+/* Miscellaneous commands */
+#define CONFIG_CMD_BMODE
+#define CONFIG_MXC_GPIO
+
+/* Framebuffer and LCD */
+#define CONFIG_VIDEO_IPUV3
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+#define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
+#define CONFIG_VIDEO_BMP_RLE8
+#define CONFIG_SPLASH_SCREEN
+#define CONFIG_SPLASH_SCREEN_ALIGN
+#define CONFIG_BMP_16BPP
+#define CONFIG_VIDEO_LOGO
+#define CONFIG_VIDEO_BMP_LOGO
+#define CONFIG_IPUV3_CLK		260000000
+#define CONFIG_CMD_HDMIDETECT
+#define CONFIG_CONSOLE_MUX
+#define CONFIG_IMX_HDMI
+#define CONFIG_IMX_VIDEO_SKIP
+#define CONFIG_CMD_BMP
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_CONS_INDEX		1
+#define CONFIG_BAUDRATE			115200
+
+/* Command definition */
+#undef CONFIG_CMD_LOADB
+#undef CONFIG_CMD_LOADS
+#undef CONFIG_CMD_NFS
+#undef CONFIG_CMD_FLASH
+
+#undef CONFIG_IPADDR
+#define CONFIG_IPADDR			192.168.10.2
+#define CONFIG_NETMASK			255.255.255.0
+#undef CONFIG_SERVERIP
+#define CONFIG_SERVERIP			192.168.10.1
+
+#define CONFIG_LOADADDR			0x12000000
+#define CONFIG_SYS_TEXT_BASE		0x17800000
+
+#ifdef CONFIG_CMD_MMC
+#define CONFIG_DRIVE_MMC "mmc "
+#else
+#define CONFIG_DRIVE_MMC
+#endif
+
+#define CONFIG_DRIVE_TYPES CONFIG_DRIVE_MMC
+
+#define DFU_ALT_EMMC_INFO \
+	"u-boot.imx raw 0x2 0x3ff mmcpart 0;" \
+	"boot part 0 1;" \
+	"rootfs part 0 2;" \
+	"uImage fat 0 1;" \
+	"imx6q-colibri-eval-v3.dtb fat 0 1;" \
+	"imx6q-colibri-cam-eval-v3.dtb fat 0 1"
+
+#define EMMC_BOOTCMD \
+	"emmcargs=ip=off root=/dev/mmcblk0p2 rw,noatime rootfstype=ext3 " \
+		"rootwait\0" \
+	"emmcboot=run setup; " \
+		"setenv bootargs ${defargs} ${emmcargs} ${setupargs} " \
+		"${vidargs}; echo Booting from internal eMMC chip...; "	\
+		"run emmcdtbload; load mmc 0:1 ${kernel_addr_r} " \
+		"${boot_file} && run fdt_fixup && " \
+		"bootm ${kernel_addr_r} ${dtbparam}\0" \
+	"emmcdtbload=setenv dtbparam; load mmc 0:1 ${fdt_addr_r} " \
+		"${fdt_file} && setenv dtbparam \" - ${fdt_addr_r}\" && true\0"
+
+#define MEM_LAYOUT_ENV_SETTINGS \
+	"fdt_addr_r=0x12000000\0" \
+	"fdt_high=0xffffffff\0" \
+	"initrd_high=0xffffffff\0" \
+	"kernel_addr_r=0x11000000\0" \
+	"ramdisk_addr_r=0x12100000\0"
+
+#define NFS_BOOTCMD \
+	"nfsargs=ip=:::::eth0:on root=/dev/nfs rw\0" \
+	"nfsboot=run setup; " \
+		"setenv bootargs ${defargs} ${nfsargs} ${setupargs} " \
+		"${vidargs}; echo Booting via DHCP/TFTP/NFS...; " \
+		"run nfsdtbload; dhcp ${kernel_addr_r} " \
+		"&& run fdt_fixup && bootm ${kernel_addr_r} ${dtbparam}\0" \
+	"nfsdtbload=setenv dtbparam; tftp ${fdt_addr_r} ${fdt_file} " \
+		"&& setenv dtbparam \" - ${fdt_addr_r}\" && true\0"
+
+#define SD_BOOTCMD						\
+	"sdargs=ip=off root=/dev/mmcblk1p2 rw,noatime rootfstype=ext3 " \
+		"rootwait\0" \
+	"sdboot=run setup; " \
+		"setenv bootargs ${defargs} ${sdargs} ${setupargs} " \
+		"${vidargs}; echo Booting from SD card; " \
+		"run sddtbload; load mmc 1:1 ${kernel_addr_r} " \
+		"${boot_file} && run fdt_fixup && " \
+		"bootm ${kernel_addr_r} ${dtbparam}\0" \
+	"sddtbload=setenv dtbparam; load mmc 1:1 ${fdt_addr_r} " \
+		"${fdt_file} && setenv dtbparam \" - ${fdt_addr_r}\" && true\0"
+
+#define USB_BOOTCMD \
+	"usbargs=ip=off root=/dev/sda2 rw,noatime rootfstype=ext3 " \
+		"rootwait\0" \
+	"usbboot=run setup; setenv bootargs ${defargs} ${setupargs} " \
+		"${usbargs} ${vidargs}; echo Booting from USB stick...; " \
+		"usb start && run usbdtbload; load usb 0:1 ${kernel_addr_r} " \
+		"${boot_file} && run fdt_fixup && " \
+		"bootm ${kernel_addr_r} ${dtbparam}\0" \
+	"usbdtbload=setenv dtbparam; load usb 0:1 ${fdt_addr_r} " \
+		"${fdt_file} && setenv dtbparam \" - ${fdt_addr_r}\" && true\0"
+
+#define FDT_FILE "imx6dl-colibri-eval-v3.dtb"
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"bootcmd=run emmcboot ; echo ; echo emmcboot failed ; " \
+		"run nfsboot ; echo ; echo nfsboot failed ; " \
+		"usb start ;" \
+		"setenv stdout serial,vga ; setenv stdin serial,usbkbd\0" \
+	"boot_file=uImage\0" \
+	"console=ttymxc0\0" \
+	"defargs=enable_wait_mode=off galcore.contiguousSize=50331648\0" \
+	"dfu_alt_info=" DFU_ALT_EMMC_INFO "\0" \
+	EMMC_BOOTCMD \
+	"fdt_file=" FDT_FILE "\0" \
+	"fdt_fixup=;\0" \
+	MEM_LAYOUT_ENV_SETTINGS \
+	NFS_BOOTCMD \
+	SD_BOOTCMD \
+	"setethupdate=if env exists ethaddr; then; else setenv ethaddr " \
+		"00:14:2d:00:00:00; fi; tftpboot ${loadaddr} " \
+		"flash_eth.img && source ${loadaddr}\0" \
+	"setsdupdate=setenv interface mmc; setenv drive 1; mmc rescan; load " \
+		"${interface} ${drive}:1 ${loadaddr} flash_blk.img && " \
+		"source ${loadaddr}\0" \
+	"setup=setenv setupargs fec_mac=${ethaddr} " \
+		"consoleblank=0 no_console_suspend=1 console=tty1 " \
+		"console=${console},${baudrate}n8\0 " \
+	"setupdate=run setsdupdate || run setusbupdate || run setethupdate\0" \
+	"setusbupdate=usb start && setenv interface usb; setenv drive 0; " \
+		"load ${interface} ${drive}:1 ${loadaddr} flash_blk.img && " \
+		"source ${loadaddr}\0" \
+	"splashpos=m,m\0" \
+	"vidargs=video=mxcfb0:dev=lcd,640x480M@60,if=RGB666 " \
+		"video=mxcfb1:off fbmem=8M\0 "
+
+/* Miscellaneous configurable options */
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_AUTO_COMPLETE
+#undef CONFIG_SYS_CBSIZE
+#define CONFIG_SYS_CBSIZE		1024
+#undef CONFIG_SYS_MAXARGS
+#define CONFIG_SYS_MAXARGS		48
+
+#define CONFIG_SYS_ALT_MEMTEST
+#define CONFIG_SYS_MEMTEST_START	0x10000000
+#define CONFIG_SYS_MEMTEST_END		0x10010000
+#define CONFIG_SYS_MEMTEST_SCRATCH	0x10800000
+
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
+
+#define CONFIG_CMDLINE_EDITING
+
+/* 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			(8 * 1024)
+
+#define CONFIG_ENV_IS_IN_MMC
+
+#if defined(CONFIG_ENV_IS_IN_MMC)
+/* Environment in eMMC, before config block at the end of 1st "boot sector" */
+#define CONFIG_ENV_OFFSET		(-CONFIG_ENV_SIZE + \
+					 CONFIG_TDX_CFG_BLOCK_OFFSET)
+#define CONFIG_SYS_MMC_ENV_DEV		0
+#define CONFIG_SYS_MMC_ENV_PART		1
+#endif
+
+#define CONFIG_OF_SYSTEM_SETUP
+
+#define CONFIG_CMD_TIME
+
+#define CONFIG_SUPPORT_RAW_INITRD
+
+#define CONFIG_CRC32_VERIFY
+
+#endif	/* __CONFIG_H */