From b9cece6994fd1fd896e671a7063846dd154703b3 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Sun, 24 Jul 2016 20:56:10 -0300 Subject: [PATCH] configs: Add new configuration for i.MX6UL Pico board Add support for Technexion's i.MX6UL Pico board running U-boot 2016.07 and kernel 4.7. For information about this board, please visit: http://www.wandboard.org/images/hobbit/hobbitboard-imx6ul-reva1.pdf Signed-off-by: Fabio Estevam Signed-off-by: Thomas Petazzoni --- board/technexion/imx6ulpico/genimage.cfg | 41 ++++++++++++++++ board/technexion/imx6ulpico/post-image.sh | 16 ++++++ board/technexion/imx6ulpico/readme.txt | 59 +++++++++++++++++++++++ configs/imx6ulpico_defconfig | 34 +++++++++++++ 4 files changed, 150 insertions(+) create mode 100644 board/technexion/imx6ulpico/genimage.cfg create mode 100755 board/technexion/imx6ulpico/post-image.sh create mode 100644 board/technexion/imx6ulpico/readme.txt create mode 100644 configs/imx6ulpico_defconfig diff --git a/board/technexion/imx6ulpico/genimage.cfg b/board/technexion/imx6ulpico/genimage.cfg new file mode 100644 index 0000000000..9e67105fe4 --- /dev/null +++ b/board/technexion/imx6ulpico/genimage.cfg @@ -0,0 +1,41 @@ +# Minimal eMMC card image for the Technexion's i.MX6UL Pico board +# +# We mimic the .sdcard Freescale's image format for i.MX6UL: +# * the eMMC must have 1 kB free space at the beginning, +# * U-Boot is dumped as is, +# * a FAT partition at offset 8 MB is containing zImage and dtbs, +# * a single root filesystem partition is required (Ext4 in this case). +# + +image boot.vfat { + vfat { + files = { + "imx6ul-pico-hobbit.dtb", + "zImage" + } + } + size = 16M +} + +image sdcard.img { + hdimage { + } + + partition u-boot { + in-partition-table = "no" + image = "u-boot.imx" + offset = 1024 + } + + partition boot { + partition-type = 0xC + bootable = "true" + image = "boot.vfat" + offset = 8M + } + + partition rootfs { + partition-type = 0x83 + image = "rootfs.ext4" + } +} diff --git a/board/technexion/imx6ulpico/post-image.sh b/board/technexion/imx6ulpico/post-image.sh new file mode 100755 index 0000000000..87573557ca --- /dev/null +++ b/board/technexion/imx6ulpico/post-image.sh @@ -0,0 +1,16 @@ +#!/usr/bin/env bash + +BOARD_DIR="$(dirname $0)" +GENIMAGE_CFG="${BOARD_DIR}/genimage.cfg" +GENIMAGE_TMP="${BUILD_DIR}/genimage.tmp" + +rm -rf "${GENIMAGE_TMP}" + +genimage \ + --rootpath "${TARGET_DIR}" \ + --tmppath "${GENIMAGE_TMP}" \ + --inputpath "${BINARIES_DIR}" \ + --outputpath "${BINARIES_DIR}" \ + --config "${GENIMAGE_CFG}" + +exit $? diff --git a/board/technexion/imx6ulpico/readme.txt b/board/technexion/imx6ulpico/readme.txt new file mode 100644 index 0000000000..8046bdbf0a --- /dev/null +++ b/board/technexion/imx6ulpico/readme.txt @@ -0,0 +1,59 @@ +***************************** +Technexion i.MX6UL Pico board +***************************** + +This file documents the Buildroot support for the Technexion i.MX6UL Pico board. + +Build +===== + +First, configure Buildroot for the i.MX6UL Pico board: + + make imx6ulpico_defconfig + +Build all components: + + make + +You will find in output/images/ the following files: + - imx6ul-pico-hobbit.dtb + - rootfs.ext4 + - rootfs.tar + - sdcard.img + - u-boot.imx + - zImage + +Create a bootable SD card +========================= + +In the U-Boot prompt lauch: + +=> 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 + +Buildroot prepares a bootable "sdcard.img" image in the output/images/ +directory, ready to be dumped on the eMMC card. Launch the following +command as root: + + dd if=output/images/sdcard.img of=/dev/ + +*** WARNING! This will destroy all the card content. Use with care! *** + +For details about the medium image layout, see the definition in +board/technexion/imx6ulpico/genimage.cfg. + +Boot the i.MX6UL 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. + +Enjoy! diff --git a/configs/imx6ulpico_defconfig b/configs/imx6ulpico_defconfig new file mode 100644 index 0000000000..23726365c9 --- /dev/null +++ b/configs/imx6ulpico_defconfig @@ -0,0 +1,34 @@ +# architecture +BR2_arm=y +BR2_cortex_a7=y + +# Linux headers same as kernel, a 4.7 series +BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_7=y + +# system +BR2_TARGET_GENERIC_GETTY_PORT="ttymxc5" + +# kernel +BR2_LINUX_KERNEL=y +BR2_LINUX_KERNEL_CUSTOM_VERSION=y +BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.7" +BR2_LINUX_KERNEL_DEFCONFIG="imx_v6_v7" +BR2_LINUX_KERNEL_DTS_SUPPORT=y +BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx6ul-pico-hobbit" + +# bootloader +BR2_TARGET_UBOOT=y +BR2_TARGET_UBOOT_BOARDNAME="pico-imx6ul" +BR2_TARGET_UBOOT_CUSTOM_VERSION=y +BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2016.07" +BR2_TARGET_UBOOT_FORMAT_IMX=y + +# required tools to create the eMMC image +BR2_PACKAGE_HOST_DOSFSTOOLS=y +BR2_PACKAGE_HOST_GENIMAGE=y +BR2_PACKAGE_HOST_MTOOLS=y + +# filesystem / image +BR2_ROOTFS_POST_IMAGE_SCRIPT="board/technexion/imx6ulpico/post-image.sh" +BR2_TARGET_ROOTFS_EXT2=y +BR2_TARGET_ROOTFS_EXT2_4=y