Bananapi M1 Plus

This tutorial will show the details of Bananapi M1 board mainline support and other needed details, for more information about hardware and linux-sunxi

BSP Build

Image building need host to ready with all necessary tools ready, refer here

U-Boot

$ git clone git://git.denx.de/u-boot.git
$ cd u-boot
$ make make Bananapi_defconfig
$ make

Linux

$ git clone git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git

$ cd linux-next
$ make mrproper
$ ARCH=arm sunxi_defconfig
$ ARCH=arm make -j 4 zImage dtbs

SD Boot

FEL/USB Boot

More information here and build the fel tools from here

Insert SD card from and Press K3 located between the HDMI and USB host connectors and Power-on

Enter FEL

# sunxi-fel version
ERROR: Allwinner USB FEL device not found!
# sunxi-fel version
AWUSBFEX soc=00001651(A20) 00000001 ver=0001 44 08 scratchpad=00007e00 00000000 00000000

Boot Linux

From Host, get the boot.scr from here

# sunxi-fel -v uboot /path/to/u-boot-sunxi-with-spl.bin \
> write 0x42000000 /path/to/linux-next/arch/arm/boot/zImage \
> write 0x43000000 /path/to/linux-next/arch/arm/boot/dts/sun7i-a20-bananapi.dtb \
> write 0x43000000 boot.scr
Stack pointers: sp_irq=0x00002000, sp=0x00005E08
Reading the MMU translation table from 0x00020000
Disabling I-cache, MMU and branch prediction... done.
=> Executing the SPL... done.
Setting write-combine mapping for DRAM.
Setting cached mapping for BROM.
Writing back the MMU translation table.
Enabling I-cache, MMU and branch prediction... done.
Writing image "U-Boot 2017.11-00063-gfb344e3 fo", 376540 bytes @ 0x4A000000.
Passing boot info via sunxi SPL: script address = 0x43000000, uEnv length = 0
Starting U-Boot (0x4A000000).

From Target UART

U-Boot SPL 2017.11-00063-gfb344e3 (Nov 24 2017 - 12:40:59)

DRAM: 1024 MiB

CPU: 912000000Hz, AXI/AHB/APB: 3/2/2

Trying to boot from FEL

U-Boot 2017.11-00063-gfb344e3 (Nov 24 2017 - 12:40:59 +0530) Allwinner Technology

CPU:   Allwinner A20 (SUN7I)

Model: LeMaker Banana Pi

I2C:   ready

DRAM:  1 GiB

MMC:   SUNXI SD/MMC: 0

*** Warning - bad CRC, using default environment

Setting up a 720x576i composite-pal console (overscan 32x20)

In:    serial

Out:   vga

Err:   vga

SCSI:  SATA link 0 timeout.

AHCI 0001.0100 32 slots 1 ports 3 Gbps 0x1 impl SATA mode

flags: ncq stag pm led clo only pmp pio slum part ccc apst

Net:   eth0: ethernet@01c50000

starting USB...
USB0:   USB EHCI 1.00
USB1:   USB OHCI 1.0
USB2:   USB EHCI 1.0
USB3:   USB OHCI 1.0
scanning bus 0 for devices... 1 USB Device(s) found
scanning bus 2 for devices... 1 USB Device(s) found
       scanning usb for storage devices... 0 Storage Device(s) found
Hit any key to stop autoboot:  0
(FEL boot)
## Executing script at 43100000
## Flattened Device Tree blob at 43000000
   Booting using the fdt blob at 0x43000000
   Loading Device Tree to 49ff6000, end 49fff8ed ... OK

Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x0

[    0.000000] Linux version 4.14.0-next-20171121 (root@jagan-XPS-13-9350) (gcc version 6.3.1 20170109 (Linaro GCC 6.3-2017.02)) #1 SMP Fri Nov 24 01:26:00 IST 2017

[    0.000000] CPU: ARMv7 Processor [410fc074] revision 4 (ARMv7), cr=10c5387d

[    0.000000] CPU: div instructions available: patching division code

[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache

[    0.000000] OF: fdt: Machine model: LeMaker Banana Pi

[    0.000000] Memory policy: Data cache writealloc

[    0.000000] psci: probing for conduit method from DT.

[    0.000000] psci: Using PSCI v0.1 Function IDs from DT

[    0.000000] percpu: Embedded 16 pages/cpu @ef7c6000 s33740 r8192 d23604 u65536

[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 260202

[    0.000000] Kernel command line: console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p1 rootwait