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Embest RIoTboard
================
RIoTboard Standard kit
----------------------
http://www.embest-tech.com/prod_view.aspx?TypeId=74&Id=345&FId=t3:74:3
General Features:
* Product Dimensions: 75mm x 120mm
* Operating Temperature: 0 ~ 50℃
* Operating Humidity: 20% ~ 90% (non-condensing)
* DC-in：5V/4A
Processor:
* i.MX 6Solo based on ARM Cortex™-A9
* 32 Kbyte L1 instruction buffer
* 32 Kbyte L1 data buffer
* Private counter and watchdog
* Cortex-A9 NEON MPE (media processing engine) coprocessor
On-Board Memories:
* 4GByte eMMC
* 2*512MB DDR3 SDRAM
One-Board Interfaces/Buttons:
* Audio input/output interfaces
* A LVDS interface
* A HDMI interface
* A LCD display interface (expansion interface)
* A digital camera interface
* A MIPI interface
* 4 TTL-level serial interfaces (one for debugging, the rest for expansion)
* 4 high-speed USB2.0 host interfaces (480Mbps)
* A high-speed USB2.0 OTG interface (480Mbps)
* A SD card slot
* A TF card slot
* A 10/100M/1Gbps RJ45 interface
* 2 I2C interfaces (expansion interfaces)
* 2 SPI interfaces (expansion interfaces)
* 3 PWM interfaces (expansion interfaces)
* A GPIO interface (expansion interfaces)
* A JTAG interface
* A boot-mode switch
* 4 LEDs (1 system LED, 2 custom LED, 1 open SDA LED)
* A reset button
How to build barebox for Embest RIoTboard
-----------------------------------------
Using the default configuration:
.. code-block:: sh
make ARCH=arm imx_v7_defconfig
Build the binary image:
.. code-block:: sh
make ARCH=arm CROSS_COMPILE=armv7compiler
.. note:: replace ``armv7compiler`` with your ARM v7 cross compiler prefix,
e.g.: ``arm-linux-gnueabihf-``
The resulting binary image to be flashed will be ``images/barebox-embest-imx6s-riotboard.img``.
Replacing U-Boot with barebox
-----------------------------
1. Connect to the boards's UART (115200 8N1);
2. Turn board's power on;
3. Wait ``Hit any key to stop autoboot: 2`` prompt and press any key;
4. Upload barebox image to the board via tftp and start it
.. code-block:: none
MX6Solo RIoTboard U-Boot > setenv ethaddr d2:2d:ce:88:f4:f1
MX6Solo RIoTboard U-Boot > tftpboot 0x20800000 192.168.23.4:ore-barebox-riotboard
----phy_addr=0x4, id= 0x4dd072
FEC: Link is Up 796d
Using FEC0 device
TFTP from server 192.168.23.4; our IP address is 192.168.1.103
Filename 'ore-barebox-riotboard'.
Load address: 0x20800000
Loading: ## Warning: gatewayip needed but not set
## Warning: gatewayip needed but not set
############################################
done
Bytes transferred = 637947 (9bbfb hex)
MX6Solo RIoTboard U-Boot > go 0x20800000
## Starting application at 0x20800000 ...
barebox 2019.04.0-00151-g86762248de #391 Mon Apr 29 14:41:58 CEST 2019
Board: RIoTboard i.MX6S
detected i.MX6 Solo revision 1.1
i.MX reset reason POR (SRSR: 0x00000001)
mdio_bus: miibus0: probed
imx-usb 2184200.usb@2184200.of: USB EHCI 1.00
imx-esdhc 2194000.usdhc@2194000.of: registered as mmc1
imx-esdhc 2198000.usdhc@2198000.of: registered as mmc2
imx-esdhc 219c000.usdhc@219c000.of: registered as mmc3
imx-ipuv3 2400000.ipu@2400000.of: IPUv3H probed
imx-hdmi 120000.hdmi@120000.of: Detected HDMI controller 0x13:0x1a:0xa0:0xc1
netconsole: registered as netconsole-1
malloc space: 0x2fefb5e0 -> 0x4fdf6bbf (size 511 MiB)
mmc3: detected MMC card version 4.41
mmc3: registered mmc3.boot0
mmc3: registered mmc3.boot1
mmc3: registered mmc3
partition mmc3.3 not completely inside device mmc3
mmc3: Failed to register partition 3 on mmc3 (-22)
envfs: no envfs (magic mismatch) - envfs never written?
running /env/bin/init...
Hit m for menu or any key to stop autoboot: 2
type exit to get to the menu
barebox@RIoTboard i.MX6S:/
..
5. Install barebox to the eMMC
.. code-block:: none
barebox@RIoTboard i.MX6S:/ cp /mnt/tftp/ore-barebox-riotboard /dev/mmc3.barebox
..
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