From 367adaf0911dfcca172b3702b6c24d009af8923a Mon Sep 17 00:00:00 2001 From: Julien Olivain Date: Sun, 10 Mar 2019 17:30:42 +0100 Subject: [PATCH] configs/imx8mpico: new defconfig Signed-off-by: Julien Olivain Signed-off-by: Thomas Petazzoni --- .gitlab-ci.yml | 1 + DEVELOPERS | 4 ++ board/technexion/imx8mpico/readme.txt | 95 +++++++++++++++++++++++++++ configs/imx8mpico_defconfig | 39 +++++++++++ 4 files changed, 139 insertions(+) create mode 100644 board/technexion/imx8mpico/readme.txt create mode 100644 configs/imx8mpico_defconfig diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml index 2dc489ff76..ef16b73bfb 100644 --- a/.gitlab-ci.yml +++ b/.gitlab-ci.yml @@ -162,6 +162,7 @@ imx6ulevk_defconfig: { extends: .defconfig } imx6ulpico_defconfig: { extends: .defconfig } imx7d-sdb_defconfig: { extends: .defconfig } imx7dpico_defconfig: { extends: .defconfig } +imx8mpico_defconfig: { extends: .defconfig } lego_ev3_defconfig: { extends: .defconfig } linksprite_pcduino_defconfig: { extends: .defconfig } minnowboard_max-graphical_defconfig: { extends: .defconfig } diff --git a/DEVELOPERS b/DEVELOPERS index 976e1bbda7..c91325e284 100644 --- a/DEVELOPERS +++ b/DEVELOPERS @@ -1237,6 +1237,10 @@ F: package/lldpd/ N: Julien Grossholtz F: package/paho-mqtt-c +N: Julien Olivain +F: board/technexion/imx8mpico/ +F: configs/imx8mpico_defconfig + N: Julien Viard de Galbert F: package/dieharder/ F: package/easy-rsa/ diff --git a/board/technexion/imx8mpico/readme.txt b/board/technexion/imx8mpico/readme.txt new file mode 100644 index 0000000000..1a04e44572 --- /dev/null +++ b/board/technexion/imx8mpico/readme.txt @@ -0,0 +1,95 @@ +**************************** +Technexion i.MX8M Pico board +**************************** + +This file documents the Buildroot support for the Technexion i.MX8M +Pico board. The Pico i.MX8M system-on-module [1] is present in +development kits like the Pico Pi i.MX8M [2]. + +Build +===== + +First, configure Buildroot for the i.MX8M Pico board: + + make imx8mpico_defconfig + +Build all components: + + make + +You will find in output/images/ the following files: + - bl31.bin + - boot.vfat + - Image + - imx8-boot-sd.bin + - lpddr4_pmu_train_fw.bin + - pico-8m-dcss-ili9881c.dtb + - pico-8m.dtb + - rootfs.ext4 + - sdcard.img + - signed_hdmi_imx8m.bin + - u-boot.imx + +Flashing sdcard.img on the eMMC +=============================== + +i.MX8M Pico board does not have a SD card slot. The storage is an +eMMC. An easy way to flash the eMMC is to use the u-boot ums +command. The boards are sold pre-flashed with such a u-boot. It is +assumed here that the board has already a working u-boot on eMMC and +jumpers are set to boot on eMMC. See [3]. + +Jumper configuration for eMMC boot: +J1: jumper on pins 4 and 6. +J2: jumper on pins 2 and 4. + +In case the board was flashed with a wrong u-boot, or the eMMC is +erased, u-boot can be loaded by USB Serial Download boot mode, using +imx-usb-loader. See [3] and [4]. + +For flashing: +- Plug the micro USB cable from the Debug USB Port, to your computer +- Plug the USB Type C to your computer, this will power up the board + +In the U-Boot prompt launch: + +=> ums 0 mmc 0 + +This will mount the eMMC content in the host PC as a mass storage device. + +To determine the device associated to the eMMC card have a look in the +/proc/partitions file: + + cat /proc/partitions + +If your system automatically mount some device partitions, make sure +to unmount them. + +Buildroot prepares a bootable "sdcard.img" image in the output/images/ +directory, ready to be dumped on the eMMC. Launch the following +command as root: + + dd if=output/images/sdcard.img of=/dev/ + +*** WARNING! This will destroy all the eMMC content. Use with care! *** + +This operation can take several minutes, depending on the image +size. When tested, a 2MB/s transfer rate was observed. + +For details about the medium image layout, see the definition in +board/freescale/common/imx/genimage.cfg.template. + +Boot the i.MX8M Pico board +========================== + +To boot your newly created system: +- put a micro USB cable into the Debug USB Port and connect using a terminal + emulator at 115200 bps, 8n1; +- power on the board, with USB Type C connector. + +Enjoy! + +[1]. https://www.technexion.com/products/system-on-modules/pico/pico-compute-modules/detail/PICO-IMX8M +[2]. https://www.technexion.com/products/system-on-modules/pico-evaluation-kits/detail/PICO-PI-IMX8M-BASIC +[3]. https://www.technexion.com/support/knowledgebase/boot-configuration-settings-for-pico-baseboards/ +[4]. https://www.technexion.com/support/knowledgebase/loading-bootable-software-images-onto-the-emmc-of-picosom-on-pico-pi/ diff --git a/configs/imx8mpico_defconfig b/configs/imx8mpico_defconfig new file mode 100644 index 0000000000..f22fad0730 --- /dev/null +++ b/configs/imx8mpico_defconfig @@ -0,0 +1,39 @@ +BR2_aarch64=y +BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_9=y +BR2_ROOTFS_POST_IMAGE_SCRIPT="board/freescale/common/imx/imx8-bootloader-prepare.sh board/freescale/common/imx/post-image.sh" +BR2_ROOTFS_POST_SCRIPT_ARGS="${UBOOT_DIR}/arch/arm/dts/pico-8m.dtb" +BR2_LINUX_KERNEL=y +BR2_LINUX_KERNEL_CUSTOM_TARBALL=y +BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="$(call github,TechNexion,linux,d69606b85de50b01e7c028ea2188308ab6612c80)/linux-d69606b85de50b01e7c028ea2188308ab6612c80.tar.gz" +BR2_LINUX_KERNEL_DEFCONFIG="tn_imx8" +BR2_LINUX_KERNEL_DTS_SUPPORT=y +BR2_LINUX_KERNEL_INTREE_DTS_NAME="freescale/pico-8m freescale/pico-8m-dcss-ili9881c" +BR2_PACKAGE_FREESCALE_IMX=y +BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX8M=y +BR2_PACKAGE_FIRMWARE_IMX=y +BR2_TARGET_ROOTFS_EXT2=y +BR2_TARGET_ROOTFS_EXT2_4=y +BR2_TARGET_ROOTFS_EXT2_SIZE="120M" +# BR2_TARGET_ROOTFS_TAR is not set +BR2_TARGET_ARM_TRUSTED_FIRMWARE=y +BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_GIT=y +BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_REPO_URL="https://source.codeaurora.org/external/imx/imx-atf" +BR2_TARGET_ARM_TRUSTED_FIRMWARE_CUSTOM_REPO_VERSION="rel_imx_4.9.88_2.2.0_8qxp_beta2" +BR2_TARGET_ARM_TRUSTED_FIRMWARE_PLATFORM="imx8mq" +BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL31=y +BR2_TARGET_UBOOT=y +BR2_TARGET_UBOOT_BUILD_SYSTEM_KCONFIG=y +BR2_TARGET_UBOOT_CUSTOM_TARBALL=y +BR2_TARGET_UBOOT_CUSTOM_TARBALL_LOCATION="$(call github,TechNexion,u-boot-edm,2fb0ee63229919807737b83d49f5813f594939ac)/u-boot-edm-2fb0ee63229919807737b83d49f5813f594939ac.tar.gz" +BR2_TARGET_UBOOT_BOARD_DEFCONFIG="pico-8m" +BR2_TARGET_UBOOT_NEEDS_DTC=y +BR2_TARGET_UBOOT_FORMAT_IMX=y +BR2_TARGET_UBOOT_FORMAT_CUSTOM=y +BR2_TARGET_UBOOT_FORMAT_CUSTOM_NAME="u-boot-nodtb.bin" +BR2_TARGET_UBOOT_SPL=y +BR2_PACKAGE_HOST_DOSFSTOOLS=y +BR2_PACKAGE_HOST_GENIMAGE=y +BR2_PACKAGE_HOST_IMX_MKIMAGE=y +BR2_PACKAGE_HOST_MTOOLS=y +BR2_PACKAGE_HOST_UBOOT_TOOLS=y +BR2_PACKAGE_HOST_UBOOT_TOOLS_FIT_SUPPORT=y -- 2.30.2