Using the KDE image on eMMC storage, this is how far the boot process get. The results or from the serial port.
[217]HELLO! BOOT0 is starting!
[220]BOOT0 commit : 595900dccf
[224]periph0 has been enabled
[227]set pll end
[229]PL gpio voltage : 3.3V
[233][pmu]: bus read error
[236]PMU: AXP2202
[241]PMU: AXP1530
[245]power mode:33, sys_vol:920
[249]vaild para:1 select dram para0
[253]dram_para[0]:0x4b0
[255]dram_para[1]:0x8
[258]dram_para[2]:0x7070707
[261]dram_para[3]:0xd0d0d0d
[264]dram_para[4]:0xe0e
[266]dram_para[5]:0x84848484
[269]dram_para[6]:0x310a
[272]dram_para[7]:0x8000000
[275]dram_para[8]:0x0
[277]dram_para[9]:0x34
[280]dram_para[10]:0x1b
[282]dram_para[11]:0x33
[285]dram_para[12]:0x3
[287]dram_para[13]:0x0
[290]dram_para[14]:0x0
[292]dram_para[15]:0x4
[295]dram_para[16]:0x72
[297]dram_para[17]:0x0
[300]dram_para[18]:0x8
[302]dram_para[19]:0x0
[305]dram_para[20]:0x0
[307]dram_para[21]:0x26
[310]dram_para[22]:0x80808080
[313]dram_para[23]:0x6060606
[316]dram_para[24]:0x0
[318]dram_para[25]:0x74000000
[322]dram_para[26]:0x38000000
[325]dram_para[27]:0x802f3333
[328]dram_para[28]:0xc7c5c4c2
[331]dram_para[29]:0x3533302f
[335]dram_para[30]:0xc60
[337]dram_para[31]:0x48484848
[340]board init ok
[363]enable_jtag
[365]card no is 0
[367]sdcard 0 line count 4
[370][mmc]: mmc driver ver 2023-03-24 16:23
[380][mmc]: Wrong media type 0x0
[383][mmc]: ***Try SD card 0***
[405][mmc]: HSSDR52/SDR25 4 bit
[408][mmc]: 50000000 Hz
[411][mmc]: 30436 MB
[413][mmc]: ***SD/MMC 0 init OK!!!***
[425]boot param - magic error
[428]DRAM BOOT DRIVE INFO: V0.67
[432]DRAM_VCC set to 1160 mv
[559]DRAM retraining ten
[577][AUTO DEBUG]32bit,2 ranks training success!
[606]Soft Training Version: T2.0
[7410][SOFT TRAINING] CLK=1200M Stable memtest pass
[7415]DRAM CLK =1200 MHZ
[7418]DRAM Type =8 (3:DDR3,4:DDR4,7:LPDDR3,8:LPDDR4)
[7428]DRAM SIZE =4096 MBytes, para1 = 310a, para2 = 10001000, tpr13 = 6461
[7459]DRAM simple test OK.
[7462]dram size =4096
[7469]nsi init 2023-2-23
[7605]Loading boot-pkg Succeed(index=0).
[7609]Entry_name = u-boot
[7619]Entry_name = monitor
[7623]Entry_name = scp
[7626]Entry_name = dtb
[7631]mmc not para
[7632]Jump to second Boot.
NOTICE: BL31: v2.5(debug):20a8ac62a
NOTICE: BL31: Built : 17:17:28, Jan 22 2024
NOTICE: BL31: No DTB found.
nsi init ok 2022-11-08
ERROR: Error initializing runtime service opteed_fast