Hello again
I made some progress with the serial, it outputs readable text to start:
Log Type: B - Since Boot(Power On Reset), D - Delta, S - Statistic
S - QC_IMAGE_VERSION_STRING=BOOT.BF.3.1.1-00126
S - IMAGE_VARIANT_STRING=DAABANAZA
S - OEM_IMAGE_VERSION_STRING=CRM
S - Boot Config, 0x00000021
S - Reset status Config, 0x00000000
S - Core 0 Frequency, 0 MHz
B - 261 - PBL, Start
B - 1339 - bootable_media_detect_entry, Start
B - 1679 - bootable_media_detect_success, Start
and so on, until
Verifying Hash Integrity ... crc32+ sha1+ OK
Booting using the fdt blob at 0x843e76a0
Uncompressing Kernel Image ... OK
Loading Device Tree to 86ff3000, end 86fff811 ... OK
eth0 MAC Address from ART is not valid
eth1 MAC Address from ART is not valid
Using machid 0x8010001 from environment
Starting kernel ...
everything that follows is rubbish and cannot be read, some fragments of strings but nothing useable, for example:
[?240 ??/000?00]277zootmng 272˫341201on?ph}smcal?CP]372372375355353[ ?? 0.0000??] Momtyaoizmng?cgroup su{sy{^Z375
325315325ݵ
[??277240025600???0]?mnmti}lizmng {gsou^? subsys cxu355353[277 240 0.??>0?0]?moiwmali{ing240{gsoup240{uzs}s240{puacct
Because the output at the beginning was fine, the serial link should be OK. Why is the output corrupted?