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[Tizen Quick guide for Raspberry Pi3 ]
1. How to build RPI3 kernel
1) Get kernel sources from git repository
repo: https://git.tizen.org/cgit/platform/kernel/linux-rpi3
branch: tizen
2) Setup aarch64 cross compiler like toolchain released from linaro http://releases.linaro.org/components/toolchain/binaries/
3) Build kernel using build-rpi3-arm64.sh script in kernel source
$ ./build-rpi3-arm64.sh
4) You can make boot.img including kernel/dtb binary and necessary files to boot
$ ./scripts/mkbootimg_rpi3.sh
2. Making micro sd card to be possible to boot
This describes how to partition micro sd-card, format each partition of the card and flash vendor binaries and kernel images to the card
1) Get fusing script
You can get ./scripts/sd_fusing_rpi3.sh file from RPI3 kernel source
( review.tizen.org:29418/platform/kernel/linux-rpi3 )
2) Prepare to use fusing script
Make the file executable
$ chmod u+x sd_fusing_rpi3.sh
Install the pv tools
$ sudo apt-get install pv
3) Partitioning for Tizen
Connect the micro sd to Desktop using Card Reader and check device node
$ sudo fdisk -l
..........
Partition table entries are not in disk order
Disk /dev/sdb: 7948 MB, 7948206080 bytes
245 heads, 62 sectors/track, 1021 cylinders, total 15523840 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/sdb1 * 8192 139263 65536 e W95 FAT16 (LBA)
.......
Run "sd_fusing_rpi3.sh" script with device node
(This script does partitioning a given micro sd storage and formats each partition of the storage)
$ sudo ./sd_fusing_rpi3.sh -d /dev/sdb --format
Partition information after finishing sd_fusing_rpi3.sh
+---------------+------------+-----------+
| Label | device | size |
+---------------+------------+-----------+
| boot | /dev/sdb1 | 64MB |
+---------------+------------+-----------+
| rootfs | /dev/sdb2 | 3072MB |
+---------------+------------+-----------+
| system-data | /dev/sdb3 | 512MB |
+---------------+------------+-----------+
| extend | /dev/sdb4 | |
+---------------+------------+-----------+
| user | /dev/sdb5 | 101MB |
+---------------+------------+-----------+
| module | /dev/sdb6 | 20MB |
+---------------+------------+-----------+
| ramdisk | /dev/sdb7 | 8MB |
+---------------+------------+-----------+
4) Copy boot binaries to first partition of micro sd, which is boot partition.
[For Platform developers]
Please get boot binary tar.gz for rpi3 from download.tizen.org and flash it using sd_fusing_rpi3.sh script
http://download.tizen.org/snapshots/tizen/unified/latest/images/standard/common-boot-arm64-rpi3/
[For Kernel developers]
Mount first partition of micro sd
$ sudo mount /dev/sdb1 /mnt
(The parition, /dev/sdb1, is dependent on your Host PC env.)
Get boot binaries from kernel/rpi3/boot/ directory
(The file names are bootcode.bin, config.txt, fixup.dat, LICENCE.broadcom and start.elf)
Copy all files from boot directory to /mnt, boot partition.
$ sudo cp -a boot/* /mnt/
Copy below kernel image and device tree binaries to /mnt after building kernel source code
bcm2710-rpi-3-b.dtb and bcm2837-rpi-3-b.dtb of arch/arm64/boot/dts/broadcom/
Image file of arch/arm64/boot/
For kernel build, please refer to build-rpi3-arm64.sh ( review.tizen.org:29418/platform/kernel/linux-rpi3 )
3. How to flash platform image for Tizen
1) If you have not initialized micro sd, please first do [1]
Insert the micro sd to Desktop PC using Card Reader and check device node
$ sudo fdisk -l
..........
Partition table entries are not in disk order
Disk /dev/sdb: 7948 MB, 7948206080 bytes
245 heads, 62 sectors/track, 1021 cylinders, total 15523840 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/sdb1 * 8192 139263 65536 e W95 FAT16 (LBA)
.......
2) Flash a platform image to the micro sd card.
(you can download lastest tizen tv platform binary from here:
- https://download.tizen.org/snapshots/tizen/tv/latest/images/arm-wayland/tv-wayland-armv7l-odroidu3/ )
$sudo ./sd_fusing_rpi3.sh -d /dev/sdb -b platform.tar.gz
Above command will flash each image contained in the platform image to corresponding partition of the micro sd card like below.
+-----------------+------------------------+
| Image file name | Partition table name |
+-----------------+------------------------+
| boot.img | /dev/sdb1 |
+-----------------+------------------------+
| rootfs.img | /dev/sdb2 |
+-----------------+------------------------+
| system-data.img | /dev/sdb3 |
+-----------------+------------------------+
| user.img | /dev/sdb5 |
+-----------------+------------------------+
| modules.img | /dev/sdb6 |
+-----------------+------------------------+
| ramdisk.img | /dev/sdb7 |
+-----------------+------------------------+
4. Serial Connection
If you want to read and write serial messages via UART from host, you need USB to TTL cable and should connect it on Raspberry Pi3
refer to http://raspberrypi.stackexchange.com/questions/15819/how-to-identify-the-usb-to-serial-wire-mismatched
5. SDB connection
The Smart Development Bridge (SDB) is a device management tool included in the Tizen SDK
refer to https://developer.tizen.org/dev-guide/2.4/org.tizen.devtools/html/common_tools/smart_dev_bridge.htm
1) host setup example
$ sudo ifconfig eth0:1 192.168.0.1 up
2) rpi3 setup example
# ifconfig eth0 192.168.0.2 up
# route add default gw 192.168.0.1
3) host sdb connect by ethernet example
$ sdb connect 192.168.0.2
4) check sdb connection
$ sdb devices
sdb devices
List of devices attached
192.168.0.2:26101 device xu3
5) login sdb shell
$sdb shell
6) send data by sdb
$sdb push localfile remote_position
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