Banana Pi BPI-M2 Ultra / BPI-M2 Berry How to alter Uboot、Kernel

1,Click http://www.banana-pi.org/download.html, download relatively BPI-M2 Ultra Image ;and burn images to SD card.

2,Install tool-chain

sudo apt-get install build-essential libncurses5-dev u-boot-tools qemu-user-static debootstrap git binfmt-support libusb-1.0-0-dev pkg-config gcc-arm-linux-gnueabihf g++-arm-linux-gnueabihf gcc-arm-linux-gnueabi g++-arm-linux-gnueabi libssl-dev

3,Install BPI-Tools ,to BPI-GitHub https://github.com/BPI-SINOVOIP/bpi-tools

git clone https://github.com/BPI-SINOVOIP/BPI-M2U-bsp.git

4,Put Download done BPI-Tools copy to under /usr/bin

sudo cp -a bpi-* /usr/bin/

Execute bpi-tools -u order,install successfully after appear belows screen

Go to BPI-GitHub https://github.com/BPI-SINOVOIP/BPI-M2U-bsp
,note: BPI-M2 berry and BPI-M2 Ultra use the same code.

Grab BPI-M2Ultra-bsp Source Code; execute grabing source code order

git clone https://github.com/BPI-SINOVOIP/BPI-M2U-bsp.git

switch to BPI-M2U-bsp category after carried out,execute ./build.sh order

Can see BPI-M2 Ultra/BPI-M2 Berry configuration,choose BPI-M2U’s resolution what you wanted.:default compile 720P:

Choose mode what you need compile (advise choose 1 option first time compile)

5,Compile done can seen under generate new SD folder BPI-M2U-bsp

Later Enter into SD folder seen below files

These files represent information one by one

100MB --> BPI-M2Ultra uboot relative file

BPI-BOOT-bpi-m2u.tgz --> BPI-M2Ultra uEnv.txt & uImage relative file

3.10.65-BPI-M2U-Kernel.tgz --> BPI-M2Ultra kernel relative file

6,Use command to see the SD card current position.

sudo fdisk -l

This example can be seen SD Card’s position in /dev/sdb

Can be seen BPI-M2Ultra system has two partition,one FAT32 partition,another one EXT4 partition,represent gradually.

7,Change BPI-M2Ultra Uboot ,switch to /SD/100MB category;execute bpi-bootsel order:

sudo bpi-bootsel <file source> <SD route>

8, Change BPI-M2Ultra uImage ,switch to /SD/ category;carry out relative command.

sudo tar –xvf  <file source>  -C  <SD Boot route >

Belowinformation after execute,successfully done.

9, Change BPI-M2Ultra Kernel,switch to /SD/ category;execute relative order

sudo tar -xvf <file source> -C <SD Boot route>

Supplement

Change kernel setting,switch to / linux-sunxi category,execute order

make ARCH=arm menuconfig

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