Introduction

Banana Pi BPI-R3 Router board with MediaTek MT7986(Filogic 830) quad core ARM A53 + MT7531A chip design ,2G DDR RAM ,8G eMMC flash onboard,It is a very high performance open source router development board,support Wi-Fi 6/6E 2.4G wifi use MT7975N and 5G wifi use MT7975P, support 2 SFP 2.5GbE port, and 5 GbE network port.

MediaTek MT7986(Filogic 830)

The MT7986(Filogic 830) integrates four Arm Cortex-A53 cores up to 2GHz with up to 18,000 DMIPs of processing power and 6Gbps of dual 4x4 Wi-Fi 6/6E connectivity. It has two 2.5g Ethernet interfaces and serial peripheral interfaces (SPI). Filogic 830‘s built-in hardware acceleration engine enables fast and reliable Wi-Fi offloading and wireless network connection. In addition, the chip supports Mediatek FastPath™ technology, which is suitable for games, AR/VR and other low-latency applications.

Wi-fi 6E has many advantages over its predecessors, including lower latency, larger bandwidth capacity and faster transmission rates. Wireless network devices supporting the 6GHz band mainly use 160MHz wide channel and 6GHz uncongested bandwidth to provide multigigabit transmission and low-latency wi-fi connection, providing reliable wireless network for streaming media, games, AR/VR and other applications.

Key Features

. MediaTek MT7986(Filogic 830) Quad core ARM Cortex A53+MT7531 chip design
. Wifi 6/6E 4x4 2.4G Wifi(MT7975N) +4x4 5G Wifi(MT7975P)
. 2G DDR RAM
. 8G eMMC flash
. 2 SFP 2.5GbE
. 5 GbE network port
. POE support (optional)
. Mini PCIe via USB
. M.2 KEY-E PCIe inerface
. Mciro SD card interfact
. 26 PIN GPIO

Development

Basic Development

Prepare to develop

 * Prepare 8G/above TF card, USB-Serial interface, Ubuntu System
 * Using your USB-Serial Connect debug console on BPI-R3

 * R3 bootstrap and device select Jumper Setting

  Note: SW1-A and SW1-B is for boot strap selecting;
        SW1-C is that SPI-Nand or SPI-Nor Device is connected to CPU's SPI bus;
        SW1-D is that SD Card or EMMC device is connected tp CPU's EMMC bus.

  * Examples:
    All Jumper is High.

    All Jumper is Low.

How to burn image to SD card

 A. Note: burn image to SD card on linux computer
   1.You could download latest image from our forum
   * Here is the example image link: 
 
   2.Install bpi-tools on your Ubuntu. If you can't access this URL or any other problems, please go to bpi-tools repo and install this tools manually.
   * apt-get install pv
   * curl -sL https://github.com/BPI-SINOVOIP/bpi-tools/raw/master/bpi-tools | sudo -E bash
 
   3.After you download the image, insert your TF card into your Ubuntu
   * Execute "bpi-copy xxx.img /dev/sdx" to install image on your TF card
 
   4.After step 3, then you can insert your TF card into R3, and press power button to setup R3
 B. Note: burn image to SD card on windows computer
   1. Download the tools from the website:   https://sourceforge.net/projects/win32diskimager/
   2. Install the tools into Windows computer.
   3. flash image into SD card.

How to burn image to onboard eMMC

 Note: because SD card and EMMC device share one SOC's interface, you need flash one SD image firstly, then R3 boot from SD card, then flash nand image into Nand, then change boot strap to boot from nand,  you need flash EMMC image into EMMC. Finally you change bootstrap to boot from EMMC.

 Before burning image to eMMC, please prepare a SD card with flashed bootable image and a USB disk. Let's take OpenWrt image (mtk-bpi-r3-SD-WAN1-SFP1-20220619-single-image.img, mtk-bpi-r3-NAND-WAN1-SFP1-20220619-single-image.bin, bl2_emmc.img, mtk-bpi-r3-EMMC-WAN1-SFP1-20220619-single-image.img) for example, the steps are below:

 1. Insert the flashed SD card and power on to start the board.(the image "mtk-bpi-r3-SD-WAN1-SFP1-20220619-single-image.img" on the SD card can be OpenWrt or other linux OS like ubuntu...)

 2. Copy Nand bootable and EMMC boot OpenWrt image(mtk-bpi-r3-NAND-WAN1-SFP1-20220619-single-image.bin, bl2_emmc.img, mtk-bpi-r3-EMMC-WAN1-SFP1-20220619-single-image.img) to USB disk, if the image is compressed please uncompress it before copying to USB disk.

 3. Plug in USB disk to the board, and mount the USB to /mnt or other directory as follows: (you can skip mounting if it is mounted automatically)
    * mount -t vfat /dev/sda1 /mnt 
    * change your directory to the mounting point, here is : cd /mnt

 4. Execute following command to enable and copy image to nand flash:
    * mtd erase /dev/mtd0
    * dd if=mtk-bpi-r3-NAND-WAN1-SFP1-20220619-single-image.bi of=/dev/mtdblock0

 5. Shutdown, remove SD card, and change bootstrap to boot from nand flash and change SD/EMMC switch jumper to EMMC, restart the board from Nand Flash.
    Note: Enable EMMC device, boot strap is from nand

 6. repeat step 3, mount u-disk to /mnt, Execute following command to enable and copy image to EMMC device:
    * mount -t vfat /dev/sda1 /mnt
    * echo 0 > /sys/block/mmcblk0boot0/force_ro
    * dd if=bl2_emmc.img of=/dev/mmcblk0boot0
    * dd if=mtk-bpi-r3-EMMC-WAN1-SFP1-20220619-single-image.img of=/dev/mmcblk0
    * mmc bootpart enable 1 1 /dev/mmcblk0

 7. power off R3 board, remove u-disk driver, change bootstrap to boot from emmc device.

Network-Configuration

Network-Configuration refer to: http://www.fw-web.de/dokuwiki/doku.php?id=en:bpi-r2:network:start
Network Interface: eth1, lan0 is for WAN; lan4, rax0, lan2, lan5, ra0, lan3, lan1 is for LAN, ra0 is for 2.4G wireless, rax0 is for 5G wireless.

root@OpenWrt:/# ifconfig

br-lan Link encap:Ethernet HWaddr EE:A1:57:81:CA:19

         inet addr:192.168.1.1  Bcast:192.168.1.255  Mask:255.255.255.0
         inet6 addr: fe80::eca1:57ff:fe81:ca19/64 Scope:Link
         inet6 addr: fd63:8bea:d5ce::1/60 Scope:Global
         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
         RX packets:0 errors:0 dropped:0 overruns:0 frame:0
         TX packets:15 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000
         RX bytes:0 (0.0 B)  TX bytes:2418 (2.3 KiB)

br-wan Link encap:Ethernet HWaddr EE:A1:57:81:CA:19

         inet6 addr: fe80::eca1:57ff:fe81:ca19/64 Scope:Link
         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
         RX packets:0 errors:0 dropped:0 overruns:0 frame:0
         TX packets:34 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000
         RX bytes:0 (0.0 B)  TX bytes:8538 (8.3 KiB)

eth0 Link encap:Ethernet HWaddr EE:A1:57:81:CA:19

         inet6 addr: fe80::eca1:57ff:fe81:ca19/64 Scope:Link
         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
         RX packets:0 errors:0 dropped:0 overruns:0 frame:0
         TX packets:32 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000
         RX bytes:0 (0.0 B)  TX bytes:4408 (4.3 KiB)
         Interrupt:124

eth1 Link encap:Ethernet HWaddr 4A:BB:84:B4:5D:3F

         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
         RX packets:0 errors:0 dropped:0 overruns:0 frame:0
         TX packets:34 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000
         RX bytes:0 (0.0 B)  TX bytes:8674 (8.4 KiB)
         Interrupt:124

lan0 Link encap:Ethernet HWaddr EE:A1:57:81:CA:19

         UP BROADCAST MULTICAST  MTU:1500  Metric:1
         RX packets:0 errors:0 dropped:0 overruns:0 frame:0
         TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000
         RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lan1 Link encap:Ethernet HWaddr EE:A1:57:81:CA:19

         UP BROADCAST MULTICAST  MTU:1500  Metric:1
         RX packets:0 errors:0 dropped:0 overruns:0 frame:0
         TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000
         RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lan2 Link encap:Ethernet HWaddr EE:A1:57:81:CA:19

         UP BROADCAST MULTICAST  MTU:1500  Metric:1
         RX packets:0 errors:0 dropped:0 overruns:0 frame:0
         TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000
         RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lan3 Link encap:Ethernet HWaddr EE:A1:57:81:CA:19

         UP BROADCAST MULTICAST  MTU:1500  Metric:1
         RX packets:0 errors:0 dropped:0 overruns:0 frame:0
         TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000
         RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lan4 Link encap:Ethernet HWaddr EE:A1:57:81:CA:19

         UP BROADCAST MULTICAST  MTU:1500  Metric:1
         RX packets:0 errors:0 dropped:0 overruns:0 frame:0
         TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000
         RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lan5 Link encap:Ethernet HWaddr EE:A1:57:81:CA:19

         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
         RX packets:0 errors:0 dropped:0 overruns:0 frame:0
         TX packets:15 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000
         RX bytes:0 (0.0 B)  TX bytes:2418 (2.3 KiB)

lo Link encap:Local Loopback

         inet addr:127.0.0.1  Mask:255.0.0.0
         inet6 addr: ::1/128 Scope:Host
         UP LOOPBACK RUNNING  MTU:65536  Metric:1
         RX packets:56 errors:0 dropped:0 overruns:0 frame:0
         TX packets:56 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000
         RX bytes:4368 (4.2 KiB)  TX bytes:4368 (4.2 KiB)

ra0 Link encap:Ethernet HWaddr 00:0C:43:26:60:38

         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
         RX packets:0 errors:0 dropped:0 overruns:0 frame:0
         TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000
         RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
         Interrupt:6

rax0 Link encap:Ethernet HWaddr 02:0C:43:36:60:38

         UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
         RX packets:0 errors:0 dropped:0 overruns:0 frame:0
         TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:1000
         RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

root@OpenWrt:/# brctl show br-wan

bridge name bridge id STP enabled interfaces br-wan 7fff.eea15781ca19 no lan0, eth1

root@OpenWrt:/# brctl show br-lan

bridge name bridge id STP enabled interfaces br-lan 7fff.eea15781ca19 no lan4, rax0, lan2, lan5, ra0, lan3, lan1

root@OpenWrt:/#

Advanced Development

GPIO

26 Pins Definition

GPIO Control

echo xxx > /sys/class/gpio/export
echo in/out > /sys/class/gpio/gpioxxx/direction
echo 0/1 > /sys/class/gpio/gpioxxx/value

Check the base gpio, you could see mine is 411

For example: if you want to change gpio 22 as out highlevel, you need input commands like this：

echo 433（22+411） > /sys/class/gpio/export
echo out > /sys/class/gpio/gpio433/direction
echo 1 > /sys/class/gpio/gpio433/value

PWM FAN Control

echo 0 > /sys/class/pwm/pwmchip0/export
echo 10000 > /sys/class/pwm/pwmchip0/pwm0/period
echo 5000 > /sys/class/pwm/pwmchip0/pwm0/duty_cycle
echo normal > /sys/class/pwm/pwmchip0/pwm0/polarity
echo 1 > /sys/class/pwm/pwmchip0/pwm0/enable

miniPCIe slot

currently, miniPCIe slot only support one USB 4G module, example: EC25 when you insert one EC25 module, you may check it.

Ap mode on BPI-R3

ra0 is MT7986a 2.4G wifi
rax0 is MT7986a 5G wifi

FAQ

MT7986a Reference Manual for Develope Board(BPi)

Google Drive：https://drive.google.com/file/d/1biSJmxnIpNzQroYDg9mtPtSTAv4i0DFf/view?usp=sharing

Reference Link

http://forum.banana-pi.org/

Getting Started with BPI-R3

Contents

Introduction

MediaTek MT7986(Filogic 830)

Key Features

Development

Basic Development

Prepare to develop

How to burn image to SD card

How to burn image to onboard eMMC

Network-Configuration

Advanced Development

GPIO

26 Pins Definition

GPIO Control

PWM FAN Control

miniPCIe slot

Ap mode on BPI-R3

FAQ

Reference Link

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