[Buildroot] [PATCH 1/1] beaglebone: better support for starting and creating images

[Marcin Jabrzyk <marcin.jabrzyk@gmail.com>]

Tried it one more time and it works fine for master.

Tested-by: Marcin Jabrzyk <marcin.jabrzyk@gmail.com>

W dniu 26.05.2014 20:27, Stephan Hoffmann pisze:
> Am 14.03.2014 13:13, schrieb Marcin Jabrzyk:
>> - Added short readme file with description of first steps how to start.
>> - Added uEnv.txt so the board can start from SDCard
>> - Added post-image.sh script to copy included uEnv.txt to output/images
>>
>> Signed-off-by: Marcin Jabrzyk <marcin.jabrzyk@gmail.com>
> Tested-by: Stephan Hoffmann <sho@relinux.de>
>> ---
> The patch still applies to the current HEAD. I tested it with both
> BeagleBone and BeagleBoneBlack as described in the readme file.
>>  board/beaglebone/post-image.sh |  6 ++++
>>  board/beaglebone/readme.txt    | 62 ++++++++++++++++++++++++++++++++++++++++++
>>  board/beaglebone/uEnv.txt      |  3 ++
>>  configs/beaglebone_defconfig   |  1 +
>>  4 files changed, 72 insertions(+)
>>  create mode 100755 board/beaglebone/post-image.sh
>>  create mode 100644 board/beaglebone/readme.txt
>>  create mode 100644 board/beaglebone/uEnv.txt
>>
>> diff --git a/board/beaglebone/post-image.sh b/board/beaglebone/post-image.sh
>> new file mode 100755
>> index 0000000..7441d07
>> --- /dev/null
>> +++ b/board/beaglebone/post-image.sh
>> @@ -0,0 +1,6 @@
>> +#!/bin/sh
>> +# post-image.sh for BeagleBone
>> +# 2014, Marcin Jabrzyk <marcin.jabrzyk@gmail.com>
>> +
>> +# copy the uEnv.txt to the output/images directory
>> +cp board/beaglebone/uEnv.txt $BINARIES_DIR/uEnv.txt
>> diff --git a/board/beaglebone/readme.txt b/board/beaglebone/readme.txt
>> new file mode 100644
>> index 0000000..dc44751
>> --- /dev/null
>> +++ b/board/beaglebone/readme.txt
>> @@ -0,0 +1,62 @@
>> +BeagleBone
>> +
>> +Intro
>> +=====
>> +To be able to use BeagleBone board with the images generated by
>> +Buildroot, you have prepare the SDCard.
>> +
>> +How to build it
>> +===============
>> +
>> +  $ make beaglebone_defconfig
>> +
>> +Then you can edit the build options using
>> +  
>> +  $ make menuconfig
>> +  
>> +Compile all and build rootfs image:
>> +  
>> +  $ make
>> +
>> +Result of the build
>> +-------------------
>> +
>> +After building, you should get a tree like this:
>> +
>> +  output/images/                                                                                                                                                                                   
>> +  ??? am335x-boneblack.dtb                                                                                                                                                                         
>> +  ??? am335x-bone.dtb
>> +  ??? MLO
>> +  ??? rootfs.ext2
>> +  ??? u-boot.img
>> +  ??? uEnv.txt
>> +  ??? zImage
>> +
>> +
>> +Prepare you SDCard
>> +==================
>> +
>> +You need to prepare first partition in fat32 and marked as bootable,
>> +and second where you will write rootfs.
>> +
>> +Copy the files to boot partition
>> +
>> +  $ cp MLO u-boot.img zImage uEnv.txt *.dtb /media/zzzzz
>> +  
>> +where /media/zzzzz is the mount point
>> +Then you need to write the rootfs image onto SDCard:
>> +
>> +  # dd if=rootfs.ext2 of=/dev/xxxxx
>> +  
>> +where /dev/xxxxx is the second partition. Use:
>> +  
>> +  # fdisk -l 
>> +  
>> +to check for correct one.
>> +
>> +Finish
>> +======
>> +
>> +Unmount all mounted SDCard partitions and insert the card to BeagleBone.
>> +Hold the "BOOT" button and apply power. Then release the "BOOT" button. 
>> +The output is available on the serial console.
>> \ No newline at end of file
>> diff --git a/board/beaglebone/uEnv.txt b/board/beaglebone/uEnv.txt
>> new file mode 100644
>> index 0000000..68d6e23
>> --- /dev/null
>> +++ b/board/beaglebone/uEnv.txt
>> @@ -0,0 +1,3 @@
>> +bootpart=0:1
>> +bootdir=
>> +uenvcmd=run loaduimage;run loadramdisk;run findfdt;run loadfdt;run ramboot 
>> diff --git a/configs/beaglebone_defconfig b/configs/beaglebone_defconfig
>> index 3181c66..b2052f4 100644
>> --- a/configs/beaglebone_defconfig
>> +++ b/configs/beaglebone_defconfig
>> @@ -8,6 +8,7 @@ BR2_TARGET_GENERIC_HOSTNAME="beaglebone"
>>  BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_DEVTMPFS=y
>>  BR2_TARGET_GENERIC_GETTY_PORT="ttyO0"
>>  # BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
>> +BR2_ROOTFS_POST_IMAGE_SCRIPT="board/beaglebone/post-image.sh"
>>  
>>  # filesystem
>>  BR2_PACKAGE_AM33X_CM3=y
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