@Nick A It started, but it stopped right at the beginning. In fact, well before than the other image secure boot for H618.
U-Boot SPL 2025.01-armbian-2025.01-S6d41-P13d0-H8869-Vfdd1-Bb703-R448a-dirty (Apr 25 2025 - 18:09:15 -0300)
DRAM:testing 32-bit width, rank = 2
read calibration failed!
testing 32-bit width, rank = 1
DRAM:Store cfg
DRAM:1st writing pattern
DRAM:detecting column address bits
detected 11 columns
DRAM:restore cfg
DRAM:reconfigure for all active rows
DRAM:store cfg
DRAM:2nd writing pattern
DRAM:detecting row address bits
detected 15 rows
DRAM:restoring cfg
DRAM:end of auto detect dram size
MBUS port 0 cfg0 0100000d cfg1 00640080
MBUS port 1 cfg0 06000009 cfg1 01000578
MBUS port 2 cfg0 0200000d cfg1 00600100
MBUS port 3 cfg0 01000009 cfg1 00500064
MBUS port 4 cfg0 20000209 cfg1 1388157c
MBUS port 5 cfg0 00640209 cfg1 00200040
MBUS port 6 cfg0 00640209 cfg1 00200040
MBUS port 8 cfg0 01000009 cfg1 00400080
MBUS port 11 cfg0 01000009 cfg1 00640080
MBUS port 14 cfg0 04000009 cfg1 00400100
MBUS port 16 cfg0 2000060d cfg1 09600af0
MBUS port 21 cfg0 0800060d cfg1 02000300
MBUS port 22 cfg0 01000009 cfg1 00640080
MBUS port 25 cfg0 0064000f cfg1 00200040
MBUS port 26 cfg0 20000209 cfg1 1388157c
MBUS port 37 cfg0 01000009 cfg1 00400080
MBUS port 38 cfg0 00640209 cfg1 00200040
MBUS port 39 cfg0 20000209 cfg1 1388157c
MBUS port 40 cfg0 00640209 cfg1 00200040
2048 MiB
Trying to boot from MMC1