Ok, I gave it a go. I used the settings - baud rate 1500000, Data bit=8,Parity check=None,Stopbit=1,Flow control=None. Most of what I got was largely garbled but here's what I could read:
[code]
DDR fcb0cfd52f cym 24/10/09-19:36:03,fwver: v1.08
In
ch1 ddoY�H��~␦j�DR5, 2736MHzttot6
channel[0] BW=16 Col=10 Bk=16 CS0 Row=16 CS=1 Die BW=16 Size=2048MB
ch1 ttot7
��@
)�j�-��o � ����������~�����������channel[1] BW=16 Col=10 Bk=16 CS0 Row=16 CS=1 Die BW=16 Size=2048MB
Manufacturer ID:0xff
�h�0 RX Vref:24.9%, RX DQS Vref:30.8%, TX Vref:20.0%,0.0%/�
Kk�k|/��~��~�������
DQ roc:
p4 n0, p7 n0, p4 n0, p3 n0, p5 n4, p1 n0, p7 n0, p0 n2, p0 n0,
p4 n3, p2 n0, p5 n0, p3 n0, p4 n0, p4 n0, p5 n0, p0 n0, p3 n1,
DQ rds:h1 h1 l0 l0 l0 l0 l0 l0, l0 l0 l0 l0 l0 l0 h1 l0
���
�B(N@x�|�|�~�~�~~����������CH1 RX Vref:24.1%, RX DQS Vref:29.2%, TX Vre��Jo��{���������������
DQ roc:
p6 n0, p2 n0, p7 n0, p3 n1, p1 n0, p0 n2, p3 n0, p7 n0, p3 n0,
p3 n0, p2 n0, p0 n1, p6 n0
p1 )��d!�@��DQS roc: p1, n0, p3, n0
stride=0x3, ddr_config=0x2
hash bank_mask0-3 0x0 0x2100 0x44200 0x88400, rank_mask0 0x0
nge to F1: 534MHz
>l ttot6
l1 ttot6
?lange to F2: 1320MHz
ch0 ttot8
ch1 ttop8
c@aNg@@
ch0 ttot6
ch1 ttot6
�~l�ange to F0: 2736MHz
����x�x�|�|�������������ch0 ttot7
ch1 ttop7
out
U-Boot SPL board init>_p
U-Boot SPL 2017.09_armbian-2017.09-S39cd-P60ca-H8822-V586d-B138f-R448a (Apr 27 2026 - 17:35:35)
SPL Hotkey: ctrl+`
"�!)�#P��K=�|�~�~�~�~���������sfc cmd=0��
)��������������������� @jj��%����������������������.
����ᯍ�������������spl: par�K�
y!��������dd�Verified-boot: 0
~@@�������������������## Checking atf-1 0x40060000 ... sha256(868eaf583a...) + OK
�
��/��oo-����������������������%␦�
+���������������������� _B���
/ ��x����������������������ZH)�)���-�������������������x-�/ �������������������## Checking uboot 0x4020000�����l�e1593752...) + OK
�dd�Checking fdt 0x40339460 ... sha256(e3b0c44298...) + OK
6�t_record_lgadable: FDT_ERR_BADMAGIC
�@dd�ChekA�;\6�F�f�400f0000 ... sha256(8afb712810...) + OK
fdt_record_loadable: FDT_ERR_BADMAGIC
�#" Checkin1�� !��������{���+�:�ICE: BL31: v2.3():v2.3-931-g4d7e811c6:derrick.huang, fwver: v1.20
NOTICE: BL31: Built : 19:19:38, May 26 2025
��NFO: SOC (0x35760101)
INFO: spec: 0x1
INFO: test version: 0x0
INFO: cost 477531 us before hptimer restart
k������������������INFO: soc cold boot
INFO: ARk�P��&
b �$@�H@�@�
`]w�mask: 1
INFO: BL31: Initializing runtime services
WARNING: No OPTEE provided by BL2 boot loader, Booting device without OPTEE initialization. SMC`s destined for OPTEE will return SMC_UNK
ERROR: Error initializing runtime service opteed_fast
INFO: BL31: Preparing for EL3 exit to normal world
INFO: Entry point address = 0x40200000
INFO: SPSR = 0x3c9
No valid device tree binary found - please append one to U-Boot binary, use u-boot-dtb.bin or define CONFIG_OF_EMBED. For sandbox, use -d <file.dtb>
initcall sequence 00000000402c54c0 failed at call 00000000402b81e8 (err=-1)
[/code]
The rest after this was unreadable.
ljones