Re: [U-Boot] [PATCH v4 2/9] arm: imx6ul: Add Engicam Is.IoT MX6UL Starter Kit initial support

Hi Jagan,

On 27/01/2017 09:54, Jagan Teki wrote:

From: Jagan Teki jagan@amarulasolutions.com

Boot from MMC:

U-Boot SPL 2017.01-rc2-gba3c151-dirty (Jan 02 2017 - 16:59:33) Trying to boot from MMC1

U-Boot 2017.01-rc2-gba3c151-dirty (Jan 02 2017 - 16:59:33 +0100)

CPU: Freescale i.MX6UL rev1.1 528 MHz (running at 396 MHz) CPU: Industrial temperature grade (-40C to 105C) at 33C Reset cause: POR Model: Engicam Is.IoT MX6UL Starterkit DRAM: 512 MiB MMC: FSL_SDHC: 0 *** Warning - bad CRC, using default environment

In: serial Out: serial Err: serial Net: CPU Net Initialization Failed No ethernet found. Hit any key to stop autoboot: 0 isiotmx6ul>

Cc: Stefano Babic sbabic@denx.de Cc: Matteo Lisi matteo.lisi@engicam.com Cc: Michael Trimarchi michael@amarulasolutions.com Signed-off-by: Jagan Teki jagan@amarulasolutions.com

---

arch/arm/cpu/armv7/mx6/Kconfig | 11 ++ arch/arm/dts/Makefile | 3 +- arch/arm/dts/imx6ul-isiot-mmc.dts | 50 +++++++ arch/arm/dts/imx6ul-isiot.dtsi | 92 +++++++++++++ board/engicam/isiotmx6ul/Kconfig | 12 ++ board/engicam/isiotmx6ul/MAINTAINERS | 6 + board/engicam/isiotmx6ul/Makefile | 6 + board/engicam/isiotmx6ul/README | 28 ++++ board/engicam/isiotmx6ul/isiotmx6ul.c | 247 ++++++++++++++++++++++++++++++++++ configs/imx6ul_isiot_mmc_defconfig | 36 +++++ include/configs/imx6ul_isiot.h | 142 +++++++++++++++++++ 11 files changed, 632 insertions(+), 1 deletion(-) create mode 100644 arch/arm/dts/imx6ul-isiot-mmc.dts create mode 100644 arch/arm/dts/imx6ul-isiot.dtsi create mode 100644 board/engicam/isiotmx6ul/Kconfig create mode 100644 board/engicam/isiotmx6ul/MAINTAINERS create mode 100644 board/engicam/isiotmx6ul/Makefile create mode 100644 board/engicam/isiotmx6ul/README create mode 100644 board/engicam/isiotmx6ul/isiotmx6ul.c create mode 100644 configs/imx6ul_isiot_mmc_defconfig create mode 100644 include/configs/imx6ul_isiot.h

diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig index c646966..72780d7 100644 --- a/arch/arm/cpu/armv7/mx6/Kconfig +++ b/arch/arm/cpu/armv7/mx6/Kconfig @@ -205,6 +205,16 @@ config TARGET_MX6UL_GEAM select DM_THERMAL select SUPPORT_SPL

+config TARGET_MX6UL_ISIOT

• bool "Support Engicam Is.IoT MX6UL"
• select MX6UL
• select OF_CONTROL
• select DM
• select DM_GPIO
• select DM_MMC
• select DM_THERMAL
• select SUPPORT_SPL

config TARGET_MX6ULL_14X14_EVK bool "Support mx6ull_14x14_evk" select MX6ULL @@ -313,6 +323,7 @@ source "board/embest/mx6boards/Kconfig" source "board/engicam/geam6ul/Kconfig" source "board/engicam/icorem6/Kconfig" source "board/engicam/icorem6_rqs/Kconfig" +source "board/engicam/isiotmx6ul/Kconfig" source "board/freescale/mx6qarm2/Kconfig" source "board/freescale/mx6qsabreauto/Kconfig" source "board/freescale/mx6sabresd/Kconfig" diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 6a7924e..e83308c 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -313,7 +313,8 @@ dtb-$(CONFIG_MX6) += imx6ull-14x14-evk.dtb \ imx6dl-icore-rqs.dtb \ imx6q-icore.dtb \ imx6q-icore-rqs.dtb \

• imx6ul-geam-kit.dtb

• imx6ul-geam-kit.dtb \
• imx6ul-isiot-mmc.dtb

dtb-$(CONFIG_MX7) += imx7-colibri.dtb

diff --git a/arch/arm/dts/imx6ul-isiot-mmc.dts b/arch/arm/dts/imx6ul-isiot-mmc.dts new file mode 100644 index 0000000..bb5086a --- /dev/null +++ b/arch/arm/dts/imx6ul-isiot-mmc.dts @@ -0,0 +1,50 @@ +/*

• • Copyright (C) 2016 Amarula Solutions B.V.
• • Copyright (C) 2016 Engicam S.r.l.
• • This file is dual-licensed: you can use it either under the terms
• • of the GPL or the X11 license, at your option. Note that this dual
• • licensing only applies to this file, and not this project as a
• • whole.

I have seen that a lot of files slipped into mainline, and I have myself not paid enough attention befeore (see your imx6ul-geam-kit.dts for example).

But we moved some years ago to SPDX-License-Identifier. Other DTS files are using this as well without copying the whole license. Could you do this here, too ? It would be also nice if you plan to fix this for all Engicam's boards, thanks !

+/dts-v1/;

+#include "imx6ul-isiot.dtsi"

+/ {

• model = "Engicam Is.IoT MX6UL MMC Starterkit";
• compatible = "engicam,imx6ul-isiot", "fsl,imx6ul";

+}; diff --git a/arch/arm/dts/imx6ul-isiot.dtsi b/arch/arm/dts/imx6ul-isiot.dtsi new file mode 100644 index 0000000..6108a1a --- /dev/null +++ b/arch/arm/dts/imx6ul-isiot.dtsi @@ -0,0 +1,92 @@ +/*

• • Copyright (C) 2016 Amarula Solutions B.V.
• • Copyright (C) 2016 Engicam S.r.l.

Ditto.

diff --git a/board/engicam/isiotmx6ul/Kconfig b/board/engicam/isiotmx6ul/Kconfig new file mode 100644 index 0000000..213ffad --- /dev/null +++ b/board/engicam/isiotmx6ul/Kconfig @@ -0,0 +1,12 @@ +if TARGET_MX6UL_ISIOT

+config SYS_BOARD

• default "isiotmx6ul"

+config SYS_VENDOR

• default "engicam"

+config SYS_CONFIG_NAME

• default "imx6ul_isiot"

+endif diff --git a/board/engicam/isiotmx6ul/MAINTAINERS b/board/engicam/isiotmx6ul/MAINTAINERS new file mode 100644 index 0000000..0258531 --- /dev/null +++ b/board/engicam/isiotmx6ul/MAINTAINERS @@ -0,0 +1,6 @@ +GEAM6UL BOARD +M: Jagan Teki jagan@amarulasolutions.com +S: Maintained +F: board/engicam/isiotmx6ul +F: include/configs/imx6ul_isiot.h +F: configs/imx6ul_isiot_mmc_defconfig

Should you not add the DTS files ?

diff --git a/board/engicam/isiotmx6ul/Makefile b/board/engicam/isiotmx6ul/Makefile new file mode 100644 index 0000000..f4f8c78 --- /dev/null +++ b/board/engicam/isiotmx6ul/Makefile @@ -0,0 +1,6 @@ +# Copyright (C) 2016 Amarula Solutions B.V. +# +# SPDX-License-Identifier: GPL-2.0+ +#

+obj-y := isiotmx6ul.o diff --git a/board/engicam/isiotmx6ul/README b/board/engicam/isiotmx6ul/README new file mode 100644 index 0000000..1d177ac --- /dev/null +++ b/board/engicam/isiotmx6ul/README @@ -0,0 +1,28 @@ +How to use U-Boot on Engicam Is.IoT MX6UL Starter Kit: +-----------------------------------------------------

+- Configure U-Boot for Engicam Is.IoT MX6UL

+$ make mrproper +$ make imx6ul_isiot_mmc_defconfig +$ make

+This will generate the SPL image called SPL and the u-boot-dtb.img.

+- Flash the SPL image into the micro SD card:

+sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync

+- Flash the u-boot-dtb.img image into the micro SD card:

+sudo dd if=u-boot-dtb.img of=/dev/mmcblk0 bs=1k seek=69; sync

+- Jumper settings:

+MMC Boot: JM3 Closed

+- Connect the Serial cable between the Starter Kit and the PC for the console. +(J28 is the Linux Serial console connector)

+- Insert the micro SD card in the board, power it up and U-Boot messages should +come up. diff --git a/board/engicam/isiotmx6ul/isiotmx6ul.c b/board/engicam/isiotmx6ul/isiotmx6ul.c new file mode 100644 index 0000000..c0b18c3 --- /dev/null +++ b/board/engicam/isiotmx6ul/isiotmx6ul.c @@ -0,0 +1,247 @@ +/*

• • Copyright (C) 2016 Amarula Solutions B.V.
• • Copyright (C) 2016 Engicam S.r.l.
• • Author: Jagan Teki jagan@amarulasolutions.com
• • SPDX-License-Identifier: GPL-2.0+
• */

+#include <common.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-pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/imx-common/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)
  

+static iomux_v3_cfg_t const uart1_pads[] = {

• MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
• MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),

+};

+int board_early_init_f(void) +{

• imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
• return 0;

+}

+int board_init(void) +{

• /* Address of boot parameters */
• gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
• return 0;

+}

+int dram_init(void) +{

• gd->ram_size = imx_ddr_size();
• return 0;

+}

+#ifdef CONFIG_SPL_BUILD +#include <libfdt.h> +#include <spl.h>

+#include <asm/arch/crm_regs.h> +#include <asm/arch/mx6-ddr.h>

+/* MMC board initialization is needed till adding DM support in SPL */ +#if defined(CONFIG_FSL_ESDHC) && !defined(CONFIG_DM_MMC) +#include <mmc.h> +#include <fsl_esdhc.h>

+#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \

• PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \
• PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)

+static iomux_v3_cfg_t const usdhc1_pads[] = {

• MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
• MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
• MX6_PAD_SD1_DATA0__USDHC1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
• MX6_PAD_SD1_DATA1__USDHC1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
• MX6_PAD_SD1_DATA2__USDHC1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
• MX6_PAD_SD1_DATA3__USDHC1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
• /* VSELECT */
• MX6_PAD_GPIO1_IO05__USDHC1_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL),
• /* CD */
• MX6_PAD_UART1_RTS_B__GPIO1_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL),
• /* RST_B */
• MX6_PAD_GPIO1_IO09__GPIO1_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),

+};

+#define USDHC1_CD_GPIO IMX_GPIO_NR(1, 19)

+struct fsl_esdhc_cfg usdhc_cfg[1] = {

• {USDHC1_BASE_ADDR, 0, 4},

+};

+int board_mmc_getcd(struct mmc *mmc) +{

• struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
• int ret = 0;
• switch (cfg->esdhc_base) {
• case USDHC1_BASE_ADDR:

• ret = !gpio_get_value(USDHC1_CD_GPIO);
  

• break;
  

• }
• return ret;

+}

+int board_mmc_init(bd_t *bis) +{

• int i, ret;
• /*
• • According to the board_mmc_init() the following map is done:
• • (U-boot device node) (Physical Port)
• • mmc0 USDHC1
• */
• for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {

• switch (i) {
  

• case 0:
  

• 	imx_iomux_v3_setup_multiple_pads(
  

• 		usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
  

• 	gpio_direction_input(USDHC1_CD_GPIO);
  

• 	usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
  

• 	break;
  

• default:
  

• 	printf("Warning - USDHC%d controller not supporting\n",
  

• 	       i + 1);
  

• 	return 0;
  

• }
  

• ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
  

• if (ret) {
  

• 	printf("Warning: failed to initialize mmc dev %d\n", i);
  

• 	return ret;
  

• }
  

• }
• return 0;

+} +#endif /* CONFIG_FSL_ESDHC */

+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,
• .rowaddr = 15,
• .coladdr = 10,
• .pagesz = 2,
• .trcd = 1375,
• .trcmin = 4875,
• .trasmin = 3500,

+};

+static void ccgr_init(void) +{

• struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
• writel(0xFFFFFFFF, &ccm->CCGR0);
• writel(0xFFFFFFFF, &ccm->CCGR1);
• writel(0xFFFFFFFF, &ccm->CCGR2);
• writel(0xFFFFFFFF, &ccm->CCGR3);
• writel(0xFFFFFFFF, &ccm->CCGR4);
• writel(0xFFFFFFFF, &ccm->CCGR5);
• writel(0xFFFFFFFF, &ccm->CCGR6);
• writel(0xFFFFFFFF, &ccm->CCGR7);

Just a mention here: why do you activate all clocks instead of just what you really need ?

+}

+static void spl_dram_init(void) +{

• mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
• mx6_dram_cfg(&ddr_sysinfo, &mx6_mmcd_calib, &mem_ddr);

+}

+void board_init_f(ulong dummy) +{

• /* setup AIPS and disable watchdog */
• arch_cpu_init();
• ccgr_init();
• /* iomux and setup of i2c */
• board_early_init_f();
• /* setup GP timer */
• timer_init();
• /* UART clocks enabled and gd valid - init serial console */
• preloader_console_init();
• /* DDR initialization */
• spl_dram_init();
• /* Clear the BSS. */
• memset(__bss_start, 0, __bss_end - __bss_start);
• /* load/boot image from boot device */
• board_init_r(NULL, 0);

+} +#endif /* CONFIG_SPL_BUILD */ diff --git a/configs/imx6ul_isiot_mmc_defconfig b/configs/imx6ul_isiot_mmc_defconfig new file mode 100644 index 0000000..66eb59f --- /dev/null +++ b/configs/imx6ul_isiot_mmc_defconfig @@ -0,0 +1,36 @@ +CONFIG_ARM=y +CONFIG_ARCH_MX6=y +CONFIG_SPL_GPIO_SUPPORT=y +CONFIG_SPL_LIBCOMMON_SUPPORT=y +CONFIG_SPL_LIBGENERIC_SUPPORT=y +CONFIG_TARGET_MX6UL_ISIOT=y +CONFIG_SPL_EXT_SUPPORT=y +CONFIG_SPL_LIBDISK_SUPPORT=y +CONFIG_SPL_SERIAL_SUPPORT=y +CONFIG_SPL_WATCHDOG_SUPPORT=y +CONFIG_DEFAULT_DEVICE_TREE="imx6ul-isiot-mmc" +CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,ENV_IS_IN_MMC" +CONFIG_BOOTDELAY=3 +CONFIG_DEFAULT_FDT_FILE="imx6ul-isiot-emmc.dtb" +CONFIG_SPL=y +CONFIG_HUSH_PARSER=y +CONFIG_FIT=y +CONFIG_FIT_VERBOSE=y +CONFIG_FIT_SIGNATURE=y +CONFIG_SYS_PROMPT="isiotmx6ul> " +# CONFIG_CMD_IMLS is not set +CONFIG_CMD_MEMTEST=y +CONFIG_CMD_MMC=y +CONFIG_CMD_GPIO=y +CONFIG_CMD_CACHE=y +CONFIG_CMD_EXT2=y +CONFIG_CMD_EXT4=y +CONFIG_CMD_EXT4_WRITE=y +CONFIG_CMD_FAT=y +CONFIG_CMD_FS_GENERIC=y +# CONFIG_BLK is not set +# CONFIG_DM_MMC_OPS is not set +CONFIG_PINCTRL=y +CONFIG_PINCTRL_IMX6=y +CONFIG_MXC_UART=y +CONFIG_IMX_THERMAL=y diff --git a/include/configs/imx6ul_isiot.h b/include/configs/imx6ul_isiot.h new file mode 100644 index 0000000..aba43fc --- /dev/null +++ b/include/configs/imx6ul_isiot.h @@ -0,0 +1,142 @@ +/*

• • Copyright (C) 2016 Amarula Solutions B.V.
• • Copyright (C) 2016 Engicam S.r.l.
• • Configuration settings for the Engicam Is.IoT MX6UL Starter Kits.
• • SPDX-License-Identifier: GPL-2.0+
• */

+#ifndef __IMX6UL_ISIOT_CONFIG_H +#define __IMX6UL_ISIOT_CONFIG_H

+#include <linux/sizes.h> +#include "mx6_common.h"

+/* Size of malloc() pool */ +#define CONFIG_SYS_MALLOC_LEN (16 * SZ_1M)

+/* Total Size of Environment Sector */ +#define CONFIG_ENV_SIZE SZ_128K

+/* Allow to overwrite serial and ethaddr */ +#define CONFIG_ENV_OVERWRITE

+/* Environment */ +#ifndef CONFIG_ENV_IS_NOWHERE +/* Environment in MMC */ +# if defined(CONFIG_ENV_IS_IN_MMC) +# define CONFIG_ENV_OFFSET 0x100000 +# endif +#endif

+/* Default environment */ +#define CONFIG_EXTRA_ENV_SETTINGS \

• "script=boot.scr\0" \
• "image=uImage\0" \
• "fit_image=fit.itb\0" \
• "splashpos=m,m\0" \
• "console=ttymxc0\0" \
• "fdt_high=0xffffffff\0" \
• "fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
• "fdt_addr=0x87800000\0" \
• "boot_fdt=try\0" \
• "mmcdev=0\0" \
• "mmcpart=1\0" \
• "mmcroot=/dev/mmcblk0p2 rootwait rw\0" \
• "mmcautodetect=yes\0" \
• "mmcargs=setenv bootargs console=${console},${baudrate} " \

• "root=${mmcroot}\0" \
  

• "loadbootscript=" \

• "fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
  

• "bootscript=echo Running bootscript from mmc ...; " \

• "source\0" \
  

• "loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
• "loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
• "loadfit=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${fit_image}\0" \
• "fitboot=echo Booting FIT image from mmc ...; " \

• "run mmcargs; " \
  

• "bootm ${loadaddr}\0" \
  

• "mmcboot=echo Booting from mmc ...; " \

• "run mmcargs; " \
  

• "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
  

• 	"if run loadfdt; then " \
  

• 		"bootm ${loadaddr} - ${fdt_addr}; " \
  

• 	"else " \
  

• 		"if test ${boot_fdt} = try; then " \
  

• 			"bootm; " \
  

• 		"else " \
  

• 			"echo WARN: Cannot load the DT; " \
  

• 		"fi; " \
  

• 	"fi; " \
  

• "else " \
  

• 	"bootm; " \
  

• "fi\0"
  

+# define CONFIG_BOOTCOMMAND \

• "if mmc rescan; then " \

• "if run loadbootscript; then " \
  

• 	"run bootscript; " \
  

• "else " \
  

• 	"if run loadfit; then " \
  

• 		"run fitboot; " \
  

• 	"else " \
  

• 		"if run loadimage; then " \
  

• 			"run mmcboot; " \
  

• 		"fi; " \
  

• 	"fi; " \
  

• "fi; " \
  

• "fi"

+/* Miscellaneous configurable options */ +#define CONFIG_SYS_MEMTEST_START 0x80000000 +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x8000000)

+#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR +#define CONFIG_SYS_HZ 1000

+/* 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)
  

+/* FIT */ +#ifdef CONFIG_FIT +# define CONFIG_HASH_VERIFY +# define CONFIG_SHA1 +# define CONFIG_SHA256 +# define CONFIG_IMAGE_FORMAT_LEGACY +#endif

+/* UART */ +#ifdef CONFIG_MXC_UART +# define CONFIG_MXC_UART_BASE UART1_BASE +#endif

+/* MMC */ +#ifdef CONFIG_FSL_USDHC +# define CONFIG_SYS_MMC_ENV_DEV 0 +# define CONFIG_SYS_FSL_USDHC_NUM 1 +# define CONFIG_SYS_FSL_ESDHC_ADDR 0 +#endif

+/* SPL */ +#ifdef CONFIG_SPL +# define CONFIG_SPL_MMC_SUPPORT

+# include "imx6_spl.h" +# ifdef CONFIG_SPL_BUILD +# undef CONFIG_DM_GPIO +# undef CONFIG_DM_MMC +# endif +#endif

+#endif /* __IMX6UL_ISIOT_CONFIG_H */

Best regards, Stefano Babic