Bananapi M1 ########### 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 1.00 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 Buildroot ********* ML **