Dobrica Pavlinušić's random unstructured stuff
M8S PRO: Revision 16
Board sticker: M8S PRO R4 S912 3G 32G DDR4 DQ
It doesn't have button soldered, it works like power button in android
Serial port is marked on bottom of board (tx/rx are from cpu perspective)
Android info
Android 7.1 bootlog from serial: m8s-android-bootlog.txt.gz
U-Boot 2015.01-g9331ff1-dirty (Mar 15 2018 - 16:16:24)
DRAM: 3 GiB
...
aml_dt soc: gxm platform: q20xrmii variant: 3g
dtb 0 soc: gxm plat: q20xrmii vari: 2g
dtb 1 soc: gxm plat: q20xrmii vari: 3g
Find match dtb: 1
...
parts: 10
00: logo 0000000002000000 1
01: recovery 0000000002000000 1
02: rsv 0000000000800000 1
03: tee 0000000000800000 1
04: crypt 0000000002000000 1
05: misc 0000000002000000 1
06: boot 0000000002000000 1
07: system 0000000080000000 1
08: cache 0000000020000000 2
09: data ffffffffffffffff 4
M8SPRO:/ # uname -a
Linux localhost 3.14.29 #46 SMP PREEMPT Thu Apr 12 19:43:12 CST 2018 armv8l
M8SPRO:/ # cat /proc/cmdline
rootfstype=ramfs init=/init console=ttyS0,115200 no_console_suspend earlyprintk=aml-uart,0xc81004c0 ramoops.pstore_en=1 ramoops.record_size=0x8000 ramoops.console_size=0x4000 androidboot.selinux=permissive logo=osd1,loaded,0x3d800000,1080p60hz maxcpus=8 vout=1080p60hz,enable hdmimode=1080p60hz cvbsmode=576cvbs hdmitx= cvbsdrv=0 pq= androidboot.firstboot=0 jtag=apao androidboot.hardware=amlogic mac=D0:76:58:0E:63:A3 androidboot.mac=D0:76:58:0E:63:A3 androidboot.slot_suffix=_a buildvariant=userdebug
M8SPRO:/ # cat /proc/cpuinfo
Processor : AArch64 Processor rev 4 (aarch64)
processor : 0
processor : 1
processor : 2
processor : 3
processor : 4
processor : 5
processor : 6
processor : 7
Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 wp half thumb fastmult vfp edsp neon vfpv3 tlsi vfpv4 idiva idivt
CPU implementer : 0x41
CPU architecture: 8
CPU variant : 0x0
CPU part : 0xd03
CPU revision : 4
Hardware : Amlogic
Serial : 220a82006da41365fedf301742726826
M8SPRO:/ # free
total used free shared buffers
Mem: 2876604416 2210639872 665964544 0 31326208
-/+ buffers/cache: 2179313664 697290752
Swap: 524283904 0 524283904
M8SPRO:/ # df
ilesystem 1K-blocks Used Available Use% Mounted on
mpfs 1404592 504 1404088 1% /dev
tmpfs 1404592 0 1404592 0% /mnt
/dev/block/system 2031440 973788 1057652 48% /system
/dev/block/data 26969964 3050864 23919100 12% /data
/dev/block/cache 507848 2860 504988 1% /cache
/dev/block/tee 5115 45 5070 1% /tee
/dev/fuse 26969964 3050864 23919100 12% /mnt/runtime/default/emulated
/dev/fuse 26969964 3050864 23919100 12% /mnt/runtime/read/emulated
/dev/fuse 26969964 3050864 23919100 12% /mnt/runtime/write/emulated
recovery sd
amlogic info
http://www.linux-meson.com/doku.php
armbian
https://forum.armbian.com/topic/12162-single-armbian-image-for-rk-aml-aw-aarch64-armv8/
https://github.com/150balbes/Amlogic_s905-kernel
dpavlin@nuc:~/Downloads$ xzcat Armbian_20.09_Arm-64_bullseye_current_5.8.5.img.xz | dd iflag=fullblock oflag=direct conv=fsync status=progress bs=1M of=/dev/sdb dpavlin@nuc:~/Downloads$ sudo mount /dev/sdb1 /mnt/sdb1/ dpavlin@nuc:~/Downloads$ cd /mnt/sdb1/ root@nuc:/mnt/sdb1# cp u-boot-s905x-s912 u-boot.ext root@nuc:/mnt/sdb1# vi extlinux/extlinux.conf root@nuc:/mnt/sdb1# grep -v '^#' extlinux/extlinux.conf LABEL Armbian LINUX /zImage INITRD /uInitrd FDT /dtb/amlogic/meson-gxm-q201.dtb APPEND root=LABEL=ROOTFS rootflags=data=writeback rw console=ttyAML0,115200n8 console=tty0 no_console_suspend consoleblank=0 fsck.fix=yes fsck.repair=yes net.ifnames=0
Note that this board uses meson-gxm-q201.dtb which is internal rmii to make ethernet work!
issue reboot update from android shell to boot from sdcard
