Hello Vagrant
Here, there are additional informations. Hopefully they helps a little bit:
I installed Debian 10 on a Lamobo R1 (Allwinner A20 / Banana Router R1).
Here, you see, the AXP20x module is loaded during booting the installer:
> Jan 1 00:00:18 kernel: [7.986527] usbcore: registered new interface
> driver hub
> Jan 1 00:00:18 kernel: [7.995497] axp20x-i2c 0-0034: AXP20x variant
> AXP209 found
> Jan 1 00:00:18 kernel: [7.997875] usbcore: registered new device driver
> usb
> Jan 1 00:00:18 kernel: [8.025743] ehci_hcd: USB 2.0 'Enhanced' Host
> Controller (EHCI) Driver
> Jan 1 00:00:18 kernel: [8.069899] axp20x-i2c 0-0034: AXP20X driver loaded
> Jan 1 00:00:18 kernel: [8.073223] ehci-platform: EHCI generic platform
> driver
> Jan 1 00:00:18 kernel: [8.078346] ohci_hcd: USB 1.1 'Open' Host
> Controller (OHCI) Driver
> Jan 1 00:00:18 kernel: [8.109688] ohci-platform: OHCI generic platform
> driver
> Jan 1 00:00:18 kernel: [8.134562] sun7i-dwmac 1c5.ethernet: PTP uses
> main clock
> Jan 1 00:00:18 kernel: [8.146085] sun7i-dwmac 1c5.ethernet: no reset
> control found
> Jan 1 00:00:18 kernel: [8.165454] sun7i-dwmac 1c5.ethernet: Linked
> as a consumer to regulator.7
> Jan 1 00:00:18 kernel: [8.264393] ldo1: supplied by regulator-dummy
> Jan 1 00:00:18 kernel: [8.273261] ldo2: supplied by regulator-dummy
> Jan 1 00:00:18 kernel: [8.280630] ldo3: supplied by regulator-dummy
> Jan 1 00:00:18 kernel: [8.284028] axp20x-usb-power-supply
> axp20x-usb-power-supply: DMA mask not set
> Jan 1 00:00:18 kernel: [8.294055] sun7i-dwmac 1c5.ethernet: Version
> ID not available
The beginning of the syslog from /var/log/installer is attached.
Best regards
Bernhard
Jan 1 00:00:18 syslogd started: BusyBox v1.30.1
Jan 1 00:00:18 kernel: klogd started: BusyBox v1.30.1 (Debian 1:1.30.1-4)
Jan 1 00:00:18 kernel: [0.00] Booting Linux on physical CPU 0x0
Jan 1 00:00:18 kernel: [0.00] Linux version 4.19.0-10-armmp
(debian-ker...@lists.debian.org) (gcc version 8.3.0 (Debian 8.3.0-6)) #1 SMP
Debian 4.19.132-1 (2020-07-24)
Jan 1 00:00:18 kernel: [0.00] CPU: ARMv7 Processor [410fc074] revision
4 (ARMv7), cr=10c5387d
Jan 1 00:00:18 kernel: [0.00] CPU: div instructions available:
patching division code
Jan 1 00:00:18 kernel: [0.00] CPU: PIPT / VIPT nonaliasing data cache,
VIPT aliasing instruction cache
Jan 1 00:00:18 kernel: [0.00] OF: fdt: Machine model: Lamobo R1
Jan 1 00:00:18 kernel: [0.00] Memory policy: Data cache writealloc
Jan 1 00:00:18 kernel: [0.00] efi: Getting EFI parameters from FDT:
Jan 1 00:00:18 kernel: [0.00] efi: UEFI not found.
Jan 1 00:00:18 kernel: [0.00] cma: Reserved 16 MiB at 0x7f00
Jan 1 00:00:18 kernel: [0.00] On node 0 totalpages: 262144
Jan 1 00:00:18 kernel: [0.00] Normal zone: 1728 pages used for memmap
Jan 1 00:00:18 kernel: [0.00] Normal zone: 0 pages reserved
Jan 1 00:00:18 kernel: [0.00] Normal zone: 196608 pages, LIFO
batch:63
Jan 1 00:00:18 kernel: [0.00] HighMem zone: 65536 pages, LIFO
batch:15
Jan 1 00:00:18 kernel: [0.00] psci: probing for conduit method from DT.
Jan 1 00:00:18 kernel: [0.00] psci: Using PSCI v0.1 Function IDs from
DT
Jan 1 00:00:18 kernel: [0.00] random: get_random_bytes called from
start_kernel+0xa0/0x508 with crng_init=0
Jan 1 00:00:18 kernel: [0.00] percpu: Embedded 17 pages/cpu s39756
r8192 d21684 u69632
Jan 1 00:00:18 kernel: [0.00] pcpu-alloc: s39756 r8192 d21684 u69632
alloc=17*4096
Jan 1 00:00:18 kernel: [0.00] pcpu-alloc: [0] 0 [0] 1
Jan 1 00:00:18 kernel: [0.00] Built 1 zonelists, mobility grouping on.
Total pages: 260416
Jan 1 00:00:18 kernel: [0.00] Kernel command line:
console=ttyS0,115200
Jan 1 00:00:18 kernel: [0.00] Dentry cache hash table entries: 131072
(order: 7, 524288 bytes)
Jan 1 00:00:18 kernel: [0.00] Inode-cache hash table entries: 65536
(order: 6, 262144 bytes)
Jan 1 00:00:18 kernel: [0.00] Memory: 982316K/1048576K available
(9216K kernel code, 1112K rwdata, 2588K rodata, 2048K init, 311K bss, 49876K
reserved, 16384K cma-reserved, 245760K highmem)
Jan 1 00:00:18 kernel: [0.00] Virtual kernel memory layout:
Jan 1 00:00:18 kernel: [0.00] vector : 0x - 0x1000
( 4 kB)
Jan 1 00:00:18 kernel: [0.00] fixmap : 0xffc0 - 0xfff0
(3072 kB)
Jan 1 00:00:18 kernel: [0.00] vmalloc : 0xf080 - 0xff80
( 240 MB)
Jan 1 00:00:18 kernel: [0.00] lowmem : 0xc000 - 0xf000
( 768 MB)
Jan 1 00:00:18 kernel: [0.00] pkmap : 0xbfe0 - 0xc000
( 2 MB)
Jan 1 00:00:18 kernel: [0.00] modules : 0xbf00 - 0xbfe0
( 14 MB)
Jan 1 00:00:18 kernel: [