[Buildroot] [V2 4/4] A20-OLinuXino-Lime: new board (mali)

Sat Jun 20 05:28:01 UTC 2015

2015-06-19 22:08 GMT+02:00 Maxime Ripard <maxime.ripard at free-electrons.com>:
> On Fri, Jun 19, 2015 at 09:13:24PM +0200, Francois Perrad wrote:
>> config mali / sunxi like Cubieboard2
>>
>> Signed-off-by: Francois Perrad <francois.perrad at gadz.org>
>> ---
>>  board/olimex/a20_olinuxino_lime/boot-mali.cmd   |  4 ++
>>  board/olimex/a20_olinuxino_lime/mksunxicard.sh  |  1 +
>>  board/olimex/a20_olinuxino_lime/readme-mali.txt | 65 +++++++++++++++++++++++++
>>  configs/olimex_a20_olinuxino_mali_defconfig     | 44 +++++++++++++++++
>>  4 files changed, 114 insertions(+)
>>  create mode 100644 board/olimex/a20_olinuxino_lime/boot-mali.cmd
>>  create mode 120000 board/olimex/a20_olinuxino_lime/mksunxicard.sh
>>  create mode 100644 board/olimex/a20_olinuxino_lime/readme-mali.txt
>>  create mode 100644 configs/olimex_a20_olinuxino_mali_defconfig
>>
>> diff --git a/board/olimex/a20_olinuxino_lime/boot-mali.cmd b/board/olimex/a20_olinuxino_lime/boot-mali.cmd
>> new file mode 100644
>> index 0000000..849ed00
>> --- /dev/null
>> +++ b/board/olimex/a20_olinuxino_lime/boot-mali.cmd
>> @@ -0,0 +1,4 @@
>> +setenv bootargs console=ttyS0,115200 root=/dev/mmcblk0p2 rootwait panic=10 ${extra}
>> +fatload mmc 0 0x43000000 script.bin
>> +fatload mmc 0 0x48000000 uImage
>> +bootm 0x48000000
>> diff --git a/board/olimex/a20_olinuxino_lime/mksunxicard.sh b/board/olimex/a20_olinuxino_lime/mksunxicard.sh
>> new file mode 120000
>> index 0000000..f0fcd02
>> --- /dev/null
>> +++ b/board/olimex/a20_olinuxino_lime/mksunxicard.sh
>> @@ -0,0 +1 @@
>> +../../cubietech/cubieboard/mkcubiecard.sh
>> \ No newline at end of file
>> diff --git a/board/olimex/a20_olinuxino_lime/readme-mali.txt b/board/olimex/a20_olinuxino_lime/readme-mali.txt
>> new file mode 100644
>> index 0000000..51e8a1c
>> --- /dev/null
>> +++ b/board/olimex/a20_olinuxino_lime/readme-mali.txt
>> @@ -0,0 +1,65 @@
>> +A20-OLinuXino-LIME
>> +
>> +Intro
>> +=====
>> +
>> +This is a open hardware board,
>> +see https://www.olimex.com/Products/OLinuXino/open-source-hardware
>> +
>> +The legacy linux-sunxi kernels are based on the vendor code drops.
>> +It is only useful when accelerated 3D graphics and multimedia support
>> +is strictly necessary.
>> +
>> +The Mainline Kernel is already a much better choice for a headless server.
>> +And also the mainline kernel works fine even for a basic Linux desktop
>> +system running on top of a simple framebuffer, which may be good enough for
>> +the users who do not need fancy 3D graphics or video playback acceleration.
>> +
>> +How to build it
>> +===============
>> +
>> +    $ make olimex_a20_olinuxino_mali_defconfig
>> +
>> +Compile all and build rootfs image:
>> +
>> +    $ make
>> +
>> +Result of the build
>> +-------------------
>> +
>> +After building, you should get a tree like this:
>> +
>> +    output/images/
>> +    +-- boot.scr
>> +    +-- rootfs.tar
>> +    +-- script.bin
>> +    +-- u-boot-sunxi-with-spl.bin
>> +    +-- u-boot.bin
>> +    `-- uImage
>> +
>> +
>> +How setting up the SD card
>> +==========================
>> +
>> +Depending on the rootfs size, you might want to use a 2GB or larger SD-card.
>> +The script `mksunxicard.sh` will take care of partitioning and formatting
>> +the SD-card.
>> +
>> +BEWARE! This process will erase your SD card.
>> +
>> +Use `dmesg` to find out where the SD card is attached in the /dev tree
>> +(<device>) and then:
>> +
>> +    # ./mksunxicard.sh <images_dir> <device>
>> +
>> +where:
>> +    - <images_dir> is the directory containing the generated files (usually
>> +    output/images)
>> +    - <device> is the device file of the SD card (usually /dev/sdX)
>> +
>> +
>> +Finish
>> +======
>> +
>> +Eject the SD card, insert it in the A20-OLinuXino-LIME board, and power it up.
>> +
>> diff --git a/configs/olimex_a20_olinuxino_mali_defconfig b/configs/olimex_a20_olinuxino_mali_defconfig
>> new file mode 100644
>> index 0000000..2af885d
>> --- /dev/null
>> +++ b/configs/olimex_a20_olinuxino_mali_defconfig
>> @@ -0,0 +1,44 @@
>> +# Architecture
>> +BR2_arm=y
>> +BR2_cortex_a7=y
>> +
>> +# Kernel headers
>> +BR2_KERNEL_HEADERS_3_4=y
>> +
>> +# System configuration
>> +BR2_TARGET_GENERIC_HOSTNAME="a20-olinuxino"
>> +BR2_TARGET_GENERIC_ISSUE="Welcome to use OLinuXino!"
>> +BR2_TARGET_GENERIC_GETTY=y
>> +BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
>> +BR2_ROOTFS_POST_BUILD_SCRIPT="board/olimex/a20_olinuxino_lime/post-build.sh"
>> +BR2_ROOTFS_POST_SCRIPT_ARGS="board/olimex/a20_olinuxino_lime/boot-mali.cmd $(BINARIES_DIR)"
>> +
>> +# Kernel
>> +BR2_LINUX_KERNEL=y
>> +BR2_LINUX_KERNEL_CUSTOM_GIT=y
>> +BR2_LINUX_KERNEL_VERSION="sunxi-3.4"
>> +BR2_LINUX_KERNEL_CUSTOM_REPO_URL="https://github.com/linux-sunxi/linux-sunxi.git"
>> +# based on Linux version 3.4.103
>> +BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="9a1cd034181af628d4145202289e1993c1687db6"
>> +BR2_LINUX_KERNEL_USE_DEFCONFIG=y
>> +BR2_LINUX_KERNEL_DEFCONFIG="sun7i"
>> +
>> +# sunxi packages
>> +BR2_PACKAGE_SUNXI_TOOLS=y
>> +BR2_PACKAGE_SUNXI_BOARDS=y
>> +BR2_PACKAGE_SUNXI_BOARDS_FEX_FILE="a20/a20-olinuxino_lime.fex"
>> +
>> +# Bootloaders
>> +BR2_TARGET_UBOOT=y
>> +BR2_TARGET_UBOOT_BOARDNAME="A20-OLinuXino-Lime"
>> +BR2_TARGET_UBOOT_CUSTOM_GIT=y
>> +BR2_TARGET_UBOOT_VERSION="sunxi"
>> +BR2_TARGET_UBOOT_CUSTOM_REPO_URL="https://github.com/linux-sunxi/u-boot-sunxi.git"
>> +# based on U-Boot 2014.04
>> +BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION="ea1ac32bf76eb60baef474c2516fc431b381d952"
>> +BR2_TARGET_UBOOT_FORMAT_BIN=y
>> +BR2_TARGET_UBOOT_SPL=y
>> +BR2_TARGET_UBOOT_SPL_NAME="u-boot-sunxi-with-spl.bin"
>
> U-boot sunxi is unmaintained and deprecated, you probably don't wnat
> to use that.
>

When I try to use the mainline U-Boot (which works well with a
mainline kernel), I cannot start the linux-sunxi kernel.
I think that it is problem with bootargs, but I haven't found the good
'magic' value.
So, I stay with U-boot sunxi.

François

> Maxime
>
> --
> Maxime Ripard, Free Electrons
> Embedded Linux, Kernel and Android engineering
> http://free-electrons.com
>
> _______________________________________________
> buildroot mailing list
> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot