From 3c9aa3218339ce8d896adfc5facd812b1fffa889 Mon Sep 17 00:00:00 2001 From: Nikolay Dimitrov Date: Fri, 6 Mar 2015 06:11:25 +0200 Subject: [PATCH] board: add support for RIoTboard This is a small development board, based on Freescale IMX6 Solo SoC (single core ARM Cortex-A9). The board has excellent support in mainline U-Boot and Linux. Signed-off-by: Nikolay Dimitrov Signed-off-by: Thomas Petazzoni --- board/embest/riotboard/readme.txt | 46 +++++++++++++++++++ .../boot/extlinux/extlinux.conf | 6 +++ configs/riotboard_defconfig | 34 ++++++++++++++ 3 files changed, 86 insertions(+) create mode 100644 board/embest/riotboard/readme.txt create mode 100644 board/embest/riotboard/rootfs_overlay/boot/extlinux/extlinux.conf create mode 100644 configs/riotboard_defconfig diff --git a/board/embest/riotboard/readme.txt b/board/embest/riotboard/readme.txt new file mode 100644 index 0000000000..8c31bbec4e --- /dev/null +++ b/board/embest/riotboard/readme.txt @@ -0,0 +1,46 @@ +Buildroot for Embest RIoTboard +============================== + +1. Compiling buildroot +---------------------- + +make riotboard_defconfig +make + +2. Installing buildroot +----------------------- + +Prepare an SD-card and plug it into your card reader. Write the bootloader to +your SD-card: + +sudo dd if=output/images/u-boot.imx of=/dev/sdX bs=1k seek=1 + +Create 1 partition on the SD-card using your favourite tool. The partition +should be big enough to hold your rootfs, for example 128MiB. Here's how an +example of such partition layout: + + Device Boot Start End Blocks Id System +/dev/sdX1 2048 264191 131072 83 Linux + +Format the SD-card partition with your favourite filesystem: + +sudo mkfs.ext2 /dev/sdX1 + +Deploy your rootfs to the SD-card: + +sudo mkdir /mnt/sdcard/ +sudo mount /dev/sdX1 /mnt/sdcard/ +sudo tar xf rootfs.tar -C /mnt/sdcard/ +sudo umount /dev/sdX1 + +3. Running buildroot +-------------------- + +Position the board so you can read the label "RIoTboard" on the right side of +SW1 DIP switches. Configure the SW1 swiches like this: + +10100101 (1 means ON position, 0 means OFF position) + +Now plug your prepared SD-card in slot J6. Connect a serial console (115200, 8, +N, 1) to header J18. Connect a 5V/1A power supply to the board and enjoy your +new toy. diff --git a/board/embest/riotboard/rootfs_overlay/boot/extlinux/extlinux.conf b/board/embest/riotboard/rootfs_overlay/boot/extlinux/extlinux.conf new file mode 100644 index 0000000000..c7d32e0097 --- /dev/null +++ b/board/embest/riotboard/rootfs_overlay/boot/extlinux/extlinux.conf @@ -0,0 +1,6 @@ +default buildroot + +label buildroot +kernel /boot/uImage +devicetree /boot/imx6dl-riotboard.dtb +append console=ttymxc1,115200 root=/dev/mmcblk0p1 rw diff --git a/configs/riotboard_defconfig b/configs/riotboard_defconfig new file mode 100644 index 0000000000..034bf40312 --- /dev/null +++ b/configs/riotboard_defconfig @@ -0,0 +1,34 @@ +# architecture +BR2_arm=y +BR2_cortex_a9=y +BR2_ARM_EABIHF=y + +# system +BR2_TARGET_GENERIC_GETTY=y +BR2_TARGET_GENERIC_GETTY_PORT="ttymxc1" + +# rootfs +BR2_TARGET_ROOTFS_EXT2=y +BR2_TARGET_ROOTFS_EXT2_2r1=y +BR2_ROOTFS_OVERLAY="board/embest/riotboard/rootfs_overlay" + +# bootloader +BR2_TARGET_UBOOT=y +BR2_TARGET_UBOOT_VERSION="2015.01" +BR2_TARGET_UBOOT_BOARDNAME="riotboard" +BR2_TARGET_UBOOT_FORMAT_IMX=y + +# kernel headers +BR2_KERNEL_HEADERS_VERSION=y +BR2_DEFAULT_KERNEL_VERSION="3.18" +BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_3_18=y + +# kernel +BR2_LINUX_KERNEL=y +BR2_LINUX_KERNEL_CUSTOM_VERSION=y +BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="3.18" +BR2_LINUX_KERNEL_DEFCONFIG="imx_v6_v7" +BR2_LINUX_KERNEL_UIMAGE_LOADADDR="0x10008000" +BR2_LINUX_KERNEL_DTS_SUPPORT=y +BR2_LINUX_KERNEL_INTREE_DTS_NAME="imx6dl-riotboard" +BR2_LINUX_KERNEL_INSTALL_TARGET=y -- 2.30.2