board: add a readme for Armadeus boards.

From: Julien BOIBESSOT <julien.boibessot@armadeus.com>

Common readme.txt for all supported Armadeus boards.

Signed-off-by: Julien BOIBESSOT <julien.boibessot@armadeus.com>
---
 board/armadeus/readme.txt | 83 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 board/armadeus/readme.txt

ping ?

Regards,
Julien

On 15/04/2016 14:59, julien.boibessot@free.fr wrote:
> From: Julien BOIBESSOT <julien.boibessot@armadeus.com>
>
> Common readme.txt for all supported Armadeus boards.
>
> Signed-off-by: Julien BOIBESSOT <julien.boibessot@armadeus.com>
> ---
>  board/armadeus/readme.txt | 83 +++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 83 insertions(+)
>  create mode 100644 board/armadeus/readme.txt
>
> diff --git a/board/armadeus/readme.txt b/board/armadeus/readme.txt
> new file mode 100644
> index 0000000..57b6998
> --- /dev/null
> +++ b/board/armadeus/readme.txt
> @@ -0,0 +1,83 @@
> +Intro
> +=====
> +
> +Armadeus APFxx are Systems On Module (SOM) based on Freescale/NXP i.MX
> +processors associated with an FPGA (except on APF28). Non volatile data are
> +stored in on-module NOR or NAND Flash, depending on the model.
> +These SOM can be used on Armadeus development boards or with custom docking
> +boards.
> +
> +Supported platforms
> +===================
> +
> +Buildroot currently supports the following Armadeus platforms with the
> +associated defconfigs:
> + * APF9328 SOM + devt boards -> armadeus_apf9328_defconfig
> + * APF27 SOM + devt board    -> armadeus_apf27_defconfig
> + * APF51 SOM + devt board    -> armadeus_apf51_defconfig
> + * APF28 SOM + devt board    -> armadeus_apf28_defconfig
> +
> +Vanilla Linux versions are preferred to Freescale's one in these
> +configurations.
> +
> +How to build it
> +===============
> +
> +Configure Buildroot
> +-------------------
> +
> +Let's say you own an APFxx SOM with it's corresponding development board, all
> +you have to do is:
> +
> +  $ make armadeus_apfxx_defconfig
> +where "apfxx" is the version of your SOM.
> +
> +Launch build
> +------------
> +
> +  $ make
> +
> +Result of the build
> +-------------------
> +
> +When build is finished you will endup with:
> +    output/images/
> +    ├── imx**-apfxxdev.dtb	[1]
> +    ├── rootfs.jffs2		[2]
> +    ├── rootfs.tar
> +    ├── rootfs.ubi		[2]
> +    ├── rootfs.ubifs		[2]
> +    └── uImage
> +
> +[1] Only if kernel version of SOM is supporting device tree.
> +[2] .ubi/.ubifs images are not available on APF9328 and replaced by a .jffs2
> +    one in this case.
> +
> +U-Boot building is currently not supported in these configurations.
> +
> +Installation
> +============
> +
> +You will require a serial connection to the board and a TFTP server on your
> +Host PC. Supposing your server is configured for exporting /tftpboot/
> +directory, you will have to copy generated images to it:
> +
> +  $ cp output/images/uImage /tftpboot/apfxx-linux.bin
> +  $ cp output/images/*.dtb /tftpboot/
> +  $ cp output/images/rootfs.ubi /tftpboot/apfxx-rootfs.ubi
> +  $ cp output/images/rootfs.jffs2 /tftpboot/apfxx-rootfs.jffs2
> +where "apfxx" is the version of your SOM, as used with _defconfigs.
> +
> +Then on your serial terminal, all you have to do is:
> +* interrupt the boot process and access U-Boot console by pressing any key
> +  when booting,
> +* configure board and server IP addresses with "ipaddr" and "serverip" envt
> +  variables,
> +* if you want to update kernel:
> +  BIOS > run update_kernel
> +* if you want to update device tree:
> +  BIOS > run update_dtb
> +* if you want to update rootfs:
> +  BIOS > run update_rootfs
> +
> +That's it !

Hello,

On Fri, 15 Apr 2016 14:59:57 +0200, julien.boibessot@free.fr wrote:
> From: Julien BOIBESSOT <julien.boibessot@armadeus.com>
> 
> Common readme.txt for all supported Armadeus boards.
> 
> Signed-off-by: Julien BOIBESSOT <julien.boibessot@armadeus.com>
> ---
>  board/armadeus/readme.txt | 83 +++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 83 insertions(+)
>  create mode 100644 board/armadeus/readme.txt

I've applied to master, after doing some minor tweaks to the readme.txt.

Thanks a lot!

Thomas