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 --- Changes for v2: - none

arch/arm/cpu/armv7/mx6/Kconfig | 11 ++ arch/arm/dts/Makefile | 3 +- arch/arm/dts/imx6ul-isiot.dts | 95 +++++++++++++ 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 | 42 ++++++ include/configs/imx6ul_isiot.h | 142 +++++++++++++++++++ 10 files changed, 591 insertions(+), 1 deletion(-) create mode 100644 arch/arm/dts/imx6ul-isiot.dts 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 3ee608b..322cbd2 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -301,7 +301,8 @@ 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.dtb

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

diff --git a/arch/arm/dts/imx6ul-isiot.dts b/arch/arm/dts/imx6ul-isiot.dts new file mode 100644 index 0000000..2b96a11 --- /dev/null +++ b/arch/arm/dts/imx6ul-isiot.dts @@ -0,0 +1,95 @@ +/* + * 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. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This file is distributed in the hope that it will be useful + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/dts-v1/; + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> +#include "imx6ul.dtsi" + +/ { + model = "Engicam Is.IoT MX6UL Starterkit"; + compatible = "engicam,imx6ul-isiot", "fsl,imx6ul"; + + memory { + reg = <0x80000000 0x20000000>; + }; + + chosen { + stdout-path = &uart1; + }; +}; + +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart1>; + status = "okay"; +}; + +&usdhc1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usdhc1>; + cd-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>; + bus-width = <4>; + no-1-8-v; + status = "okay"; +}; + +&iomuxc { + pinctrl_uart1: uart1grp { + fsl,pins = < + MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX 0x1b0b1 + MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX 0x1b0b1 + >; + }; + + pinctrl_usdhc1: usdhc1grp { + fsl,pins = < + MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x17059 + MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x10059 + MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x17059 + MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x17059 + MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x17059 + MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x17059 + >; + }; +}; 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 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); +} + +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..cfbaf29 --- /dev/null +++ b/configs/imx6ul_isiot_mmc_defconfig @@ -0,0 +1,42 @@ +CONFIG_ARM=y +CONFIG_ARCH_MX6=y +CONFIG_TARGET_MX6UL_ISIOT=y +CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,ENV_IS_IN_MMC" +CONFIG_DEFAULT_FDT_FILE="imx6ul-isiot.dtb" +CONFIG_DEFAULT_DEVICE_TREE="imx6ul-isiot" +CONFIG_SYS_PROMPT="isiotmx6ul> " +CONFIG_SPL=y +CONFIG_BOOTDELAY=3 +CONFIG_BOARD_EARLY_INIT_F=y +CONFIG_DISPLAY_CPUINFO=y +CONFIG_HUSH_PARSER=y +CONFIG_AUTO_COMPLETE=y +CONFIG_SYS_MAXARGS=32 +CONFIG_FIT=y +CONFIG_FIT_VERBOSE=y +CONFIG_FIT_SIGNATURE=y +# CONFIG_CMD_IMLS is not set +# CONFIG_BLK is not set +# CONFIG_DM_MMC_OPS is not set +CONFIG_CMD_GPIO=y +CONFIG_CMD_MEMTEST=y +CONFIG_CMD_MMC=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_OF_LIBFDT=y +CONFIG_MXC_UART=y +CONFIG_IMX_THERMAL=y +CONFIG_PINCTRL=y +CONFIG_PINCTRL_IMX6=y +CONFIG_SYS_CONSOLE_IS_IN_ENV=y +CONFIG_SPL_LIBDISK_SUPPORT=y +CONFIG_SPL_LIBCOMMON_SUPPORT=y +CONFIG_SPL_LIBGENERIC_SUPPORT=y +CONFIG_SPL_SERIAL_SUPPORT=y +CONFIG_SPL_GPIO_SUPPORT=y +CONFIG_SPL_WATCHDOG_SUPPORT=y +CONFIG_SPL_EXT_SUPPORT=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 */

From: Jagan Teki jagan@amarulasolutions.com

Add I2C support for Engicam Is.IoT MX6UL module.

isiotmx6ul> i2c bus Bus 0: i2c@021a0000 Bus 1: i2c@021a4000 isiotmx6ul> i2c dev 0 Setting bus to 0 isiotmx6ul> i2c dev Current bus is 0 isiotmx6ul> i2c speed 100000 Setting bus speed to 100000 Hz isiotmx6ul> i2c probe Valid chip addresses: 00 2C 44 78 isiotmx6ul> i2c md 2C 0xff 00ff: 00 00 00 00 0f f0 01 64 ff ff 00 00 00 00 00 00 .......d........

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 --- Changes for v2: - none

arch/arm/cpu/armv7/mx6/Kconfig | 1 + configs/imx6ul_isiot_mmc_defconfig | 2 ++ 2 files changed, 3 insertions(+)

diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig index 72780d7..b81e18c 100644 --- a/arch/arm/cpu/armv7/mx6/Kconfig +++ b/arch/arm/cpu/armv7/mx6/Kconfig @@ -211,6 +211,7 @@ config TARGET_MX6UL_ISIOT select OF_CONTROL select DM select DM_GPIO + select DM_I2C select DM_MMC select DM_THERMAL select SUPPORT_SPL diff --git a/configs/imx6ul_isiot_mmc_defconfig b/configs/imx6ul_isiot_mmc_defconfig index cfbaf29..f85970b 100644 --- a/configs/imx6ul_isiot_mmc_defconfig +++ b/configs/imx6ul_isiot_mmc_defconfig @@ -27,11 +27,13 @@ CONFIG_CMD_EXT4=y CONFIG_CMD_EXT4_WRITE=y CONFIG_CMD_FAT=y CONFIG_CMD_FS_GENERIC=y +CONFIG_CMD_I2C=y CONFIG_OF_LIBFDT=y CONFIG_MXC_UART=y CONFIG_IMX_THERMAL=y CONFIG_PINCTRL=y CONFIG_PINCTRL_IMX6=y +CONFIG_SYS_I2C_MXC=y CONFIG_SYS_CONSOLE_IS_IN_ENV=y CONFIG_SPL_LIBDISK_SUPPORT=y CONFIG_SPL_LIBCOMMON_SUPPORT=y

From: Jagan Teki jagan@amarulasolutions.com

Add FEC support for Engicam Is.IoT MX6UL module.

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 --- Changes for v2: - none

arch/arm/cpu/armv7/mx6/Kconfig | 1 + configs/imx6ul_isiot_mmc_defconfig | 3 +++ include/configs/imx6ul_isiot.h | 10 ++++++++++ 3 files changed, 14 insertions(+)

diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig index b81e18c..46b2b59 100644 --- a/arch/arm/cpu/armv7/mx6/Kconfig +++ b/arch/arm/cpu/armv7/mx6/Kconfig @@ -210,6 +210,7 @@ config TARGET_MX6UL_ISIOT select MX6UL select OF_CONTROL select DM + select DM_ETH select DM_GPIO select DM_I2C select DM_MMC diff --git a/configs/imx6ul_isiot_mmc_defconfig b/configs/imx6ul_isiot_mmc_defconfig index f85970b..6ce771c 100644 --- a/configs/imx6ul_isiot_mmc_defconfig +++ b/configs/imx6ul_isiot_mmc_defconfig @@ -20,6 +20,8 @@ CONFIG_FIT_SIGNATURE=y # CONFIG_DM_MMC_OPS is not set CONFIG_CMD_GPIO=y CONFIG_CMD_MEMTEST=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y CONFIG_CMD_MMC=y CONFIG_CMD_CACHE=y CONFIG_CMD_EXT2=y @@ -29,6 +31,7 @@ CONFIG_CMD_FAT=y CONFIG_CMD_FS_GENERIC=y CONFIG_CMD_I2C=y CONFIG_OF_LIBFDT=y +CONFIG_FEC_MXC=y CONFIG_MXC_UART=y CONFIG_IMX_THERMAL=y CONFIG_PINCTRL=y diff --git a/include/configs/imx6ul_isiot.h b/include/configs/imx6ul_isiot.h index aba43fc..5a3e05a 100644 --- a/include/configs/imx6ul_isiot.h +++ b/include/configs/imx6ul_isiot.h @@ -128,6 +128,16 @@ # define CONFIG_SYS_FSL_ESDHC_ADDR 0 #endif

+/* Ethernet */ +#ifdef CONFIG_FEC_MXC +# define CONFIG_FEC_MXC_PHYADDR 0 +# define CONFIG_FEC_XCV_TYPE RMII + +# define CONFIG_MII +# define CONFIG_PHYLIB +# define CONFIG_PHY_SMSC +#endif + /* SPL */ #ifdef CONFIG_SPL # define CONFIG_SPL_MMC_SUPPORT

From: Jagan Teki jagan@amarulasolutions.com

Add NAND support for Engicam Is.IoT MX6UL board.

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 --- Changes for v2: - Fix to enable DM_ETH

board/engicam/isiotmx6ul/MAINTAINERS | 1 + board/engicam/isiotmx6ul/isiotmx6ul.c | 69 +++++++++++++++++++++++++++++++++++ configs/imx6ul_isiot_nand_defconfig | 46 +++++++++++++++++++++++ include/configs/imx6ul_isiot.h | 25 ++++++++++++- 4 files changed, 140 insertions(+), 1 deletion(-) create mode 100644 configs/imx6ul_isiot_nand_defconfig

diff --git a/board/engicam/isiotmx6ul/MAINTAINERS b/board/engicam/isiotmx6ul/MAINTAINERS index 0258531..e99e02e 100644 --- a/board/engicam/isiotmx6ul/MAINTAINERS +++ b/board/engicam/isiotmx6ul/MAINTAINERS @@ -4,3 +4,4 @@ S: Maintained F: board/engicam/isiotmx6ul F: include/configs/imx6ul_isiot.h F: configs/imx6ul_isiot_mmc_defconfig +F: configs/imx6ul_isiot_nand_defconfig diff --git a/board/engicam/isiotmx6ul/isiotmx6ul.c b/board/engicam/isiotmx6ul/isiotmx6ul.c index c0b18c3..ae3465f 100644 --- a/board/engicam/isiotmx6ul/isiotmx6ul.c +++ b/board/engicam/isiotmx6ul/isiotmx6ul.c @@ -37,11 +37,80 @@ int board_early_init_f(void) return 0; }

+#ifdef CONFIG_NAND_MXS + +#define GPMI_PAD_CTRL0 (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP) +#define GPMI_PAD_CTRL1 (PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \ + PAD_CTL_SRE_FAST) +#define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1) + +static iomux_v3_cfg_t const nand_pads[] = { + MX6_PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA01__RAWNAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA02__RAWNAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA03__RAWNAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA04__RAWNAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA05__RAWNAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA06__RAWNAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_DATA07__RAWNAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_CLE__RAWNAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_ALE__RAWNAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_CE0_B__RAWNAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_RE_B__RAWNAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_WE_B__RAWNAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_WP_B__RAWNAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), + MX6_PAD_NAND_READY_B__RAWNAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), +}; + +static void setup_gpmi_nand(void) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + /* config gpmi nand iomux */ + imx_iomux_v3_setup_multiple_pads(nand_pads, ARRAY_SIZE(nand_pads)); + + clrbits_le32(&mxc_ccm->CCGR4, + MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK | + MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK | + MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK | + MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK | + MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_MASK); + + /* + * config gpmi and bch clock to 100 MHz + * bch/gpmi select PLL2 PFD2 400M + * 100M = 400M / 4 + */ + clrbits_le32(&mxc_ccm->cscmr1, + MXC_CCM_CSCMR1_BCH_CLK_SEL | + MXC_CCM_CSCMR1_GPMI_CLK_SEL); + clrsetbits_le32(&mxc_ccm->cscdr1, + MXC_CCM_CSCDR1_BCH_PODF_MASK | + MXC_CCM_CSCDR1_GPMI_PODF_MASK, + (3 << MXC_CCM_CSCDR1_BCH_PODF_OFFSET) | + (3 << MXC_CCM_CSCDR1_GPMI_PODF_OFFSET)); + + /* enable gpmi and bch clock gating */ + setbits_le32(&mxc_ccm->CCGR4, + MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK | + MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK | + MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK | + MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK | + MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_MASK); + + /* enable apbh clock gating */ + setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); +} +#endif /* CONFIG_NAND_MXS */ + int board_init(void) { /* Address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;

+#ifdef CONFIG_NAND_MXS + setup_gpmi_nand(); +#endif return 0; }

diff --git a/configs/imx6ul_isiot_nand_defconfig b/configs/imx6ul_isiot_nand_defconfig new file mode 100644 index 0000000..473064d --- /dev/null +++ b/configs/imx6ul_isiot_nand_defconfig @@ -0,0 +1,46 @@ +CONFIG_ARM=y +CONFIG_ARCH_MX6=y +CONFIG_TARGET_MX6UL_ISIOT=y +CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=arch/arm/imx-common/spl_sd.cfg,ENV_IS_IN_NAND" +CONFIG_DEFAULT_FDT_FILE="imx6ul-isiot.dtb" +CONFIG_DEFAULT_DEVICE_TREE="imx6ul-isiot" +CONFIG_SYS_PROMPT="isiotmx6ul> " +CONFIG_SPL=y +CONFIG_BOOTDELAY=3 +CONFIG_BOARD_EARLY_INIT_F=y +CONFIG_DISPLAY_CPUINFO=y +CONFIG_HUSH_PARSER=y +CONFIG_AUTO_COMPLETE=y +CONFIG_SYS_MAXARGS=32 +CONFIG_FIT=y +CONFIG_FIT_VERBOSE=y +CONFIG_FIT_SIGNATURE=y +# CONFIG_CMD_IMLS is not set +# CONFIG_BLK is not set +# CONFIG_DM_MMC_OPS is not set +CONFIG_CMD_GPIO=y +CONFIG_CMD_MEMTEST=y +CONFIG_CMD_MII=y +CONFIG_CMD_PING=y +CONFIG_CMD_MMC=y +CONFIG_CMD_NAND=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_OF_LIBFDT=y +CONFIG_FEC_MXC=y +CONFIG_MXC_UART=y +CONFIG_NAND_MXS=y +CONFIG_IMX_THERMAL=y +CONFIG_PINCTRL=y +CONFIG_PINCTRL_IMX6=y +CONFIG_SYS_CONSOLE_IS_IN_ENV=y +CONFIG_SPL_LIBCOMMON_SUPPORT=y +CONFIG_SPL_LIBGENERIC_SUPPORT=y +CONFIG_SPL_SERIAL_SUPPORT=y +CONFIG_SPL_GPIO_SUPPORT=y +CONFIG_SPL_WATCHDOG_SUPPORT=y +CONFIG_SPL_DMA_SUPPORT=y diff --git a/include/configs/imx6ul_isiot.h b/include/configs/imx6ul_isiot.h index 5a3e05a..b137848 100644 --- a/include/configs/imx6ul_isiot.h +++ b/include/configs/imx6ul_isiot.h @@ -27,6 +27,10 @@ /* Environment in MMC */ # if defined(CONFIG_ENV_IS_IN_MMC) # define CONFIG_ENV_OFFSET 0x100000 +/* Environment in NAND */ +# elif defined(CONFIG_ENV_IS_IN_NAND) +# define CONFIG_ENV_OFFSET 0x400000 +# define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE # endif #endif

@@ -128,6 +132,21 @@ # define CONFIG_SYS_FSL_ESDHC_ADDR 0 #endif

+/* NAND */ +#ifdef CONFIG_NAND_MXS +# define CONFIG_SYS_MAX_NAND_DEVICE 1 +# define CONFIG_SYS_NAND_BASE 0x40000000 +# define CONFIG_SYS_NAND_5_ADDR_CYCLE +# define CONFIG_SYS_NAND_ONFI_DETECTION +# define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE +# define CONFIG_SYS_NAND_U_BOOT_OFFS 0x200000 + +/* APBH DMA */ +# define CONFIG_APBH_DMA +# define CONFIG_APBH_DMA_BURST +# define CONFIG_APBH_DMA_BURST8 +#endif + /* Ethernet */ #ifdef CONFIG_FEC_MXC # define CONFIG_FEC_MXC_PHYADDR 0 @@ -140,7 +159,11 @@

/* SPL */ #ifdef CONFIG_SPL -# define CONFIG_SPL_MMC_SUPPORT +# ifdef CONFIG_NAND_MXS +# define CONFIG_SPL_NAND_SUPPORT +# else +# define CONFIG_SPL_MMC_SUPPORT +# endif

# include "imx6_spl.h" # ifdef CONFIG_SPL_BUILD

From: Jagan Teki jagan@amarulasolutions.com

Enable I2C support for Engicam Is.IoT NAND module.

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 --- Changes for v2: - none

configs/imx6ul_isiot_nand_defconfig | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/configs/imx6ul_isiot_nand_defconfig b/configs/imx6ul_isiot_nand_defconfig index 662bc9a..13294a9 100644 --- a/configs/imx6ul_isiot_nand_defconfig +++ b/configs/imx6ul_isiot_nand_defconfig @@ -31,6 +31,7 @@ CONFIG_CMD_EXT4=y CONFIG_CMD_EXT4_WRITE=y CONFIG_CMD_FAT=y CONFIG_CMD_FS_GENERIC=y +CONFIG_CMD_I2C=y CONFIG_OF_LIBFDT=y CONFIG_FEC_MXC=y CONFIG_MXC_UART=y @@ -38,6 +39,7 @@ CONFIG_NAND_MXS=y CONFIG_IMX_THERMAL=y CONFIG_PINCTRL=y CONFIG_PINCTRL_IMX6=y +CONFIG_SYS_I2C_MXC=y CONFIG_SYS_CONSOLE_IS_IN_ENV=y CONFIG_SPL_LIBCOMMON_SUPPORT=y CONFIG_SPL_LIBGENERIC_SUPPORT=y