I'm able to connect to uart buat anable to type to terminal.
Format: Log Type - Time(microsec) - Message - Optional Info
Log Type: B - Since Boot(Power On Reset), D - Delta, S - Statistic
S - QC_IMAGE_VERSION_STRING=BOOT.BF.3.1.2-00069
S - IMAGE_VARIANT_STRING=LAATANAZA
S - OEM_IMAGE_VERSION_STRING=CRM
S - Boot Config, 0x000002e1
B - 1216 - PBL, Start
B - 3723 - bootable_media_detect_entry, Start
B - 4381 - bootable_media_detect_success, Start
B - 4385 - elf_loader_entry, Start
B - 7839 - auth_hash_seg_entry, Start
B - 8061 - auth_hash_seg_exit, Start
B - 56729 - elf_segs_hash_verify_entry, Start
B - 101460 - PBL, End
B - 109952 - SBL1, Start
B - 167353 - pm_device_init, Start
B - 187453 - PM_SET_VAL:Skip
D - 17812 - pm_device_init, Delta
B - 188124 - boot_config_data_table_init, Start
D - 174917 - boot_config_data_table_init, Delta - (420 Bytes)
B - 366915 - CDT version:3,Platform ID:8,Major ID:1,Minor ID:0,Subtype:0
B - 373381 - sbl1_ddr_set_params, Start
B - 376827 - cpr_init, Start
D - 0 - cpr_init, Delta
B - 382470 - Pre_DDR_clock_init, Start
D - 244 - Pre_DDR_clock_init, Delta
D - 0 - sbl1_ddr_set_params, Delta
B - 395219 - pm_driver_init, Start
D - 4514 - pm_driver_init, Delta
B - 407907 - sbl1_qhsusb_al_do_fast_enum, Start
D - 0 - sbl1_qhsusb_al_do_fast_enum, Delta
B - 410896 - clock_init, Start
D - 152 - clock_init, Delta
B - 416691 - boot_flash_init, Start
D - 37606 - boot_flash_init, Delta
B - 594536 - Image Load, Start
D - 60970 - QSEE Image Loaded, Delta - (490628 Bytes)
B - 655536 - Image Load, Start
D - 0 - SEC Image Loaded, Delta - (0 Bytes)
B - 663070 - sbl1_efs_handle_cookies, Start
D - 0 - sbl1_efs_handle_cookies, Delta
B - 670268 - Image Load, Start
D - 26718 - RPM Image Loaded, Delta - (152344 Bytes)
B - 697016 - Image Load, Start
D - 39254 - APPSBL Image Loaded, Delta - (370824 Bytes)
B - 736331 - QSEE Execution, Start
D - 183 - QSEE Execution, Delta
B - 742004 - SBL1, End
D - 634400 - SBL1, Delta
S - Throughput, 3000 KB/s (1014216 Bytes, 285413 us)
S - DDR Frequency, 240 MHz
Android Bootloader - UART_DM Initialized!!!
[0] welcome to lk
[0] SCM call: 0x2000601 failed with :fffffffc
[0] Failed to initialize SCM
[10] platform_init()
[10] target_init()
[10] nandid: 0x2690ac98 maker=0x98 device=0xac page_size=4096
[10] spare_size=224 block_size=262144 num_blocks=2048
[20] smem ptable found: ver: 4 len: 17
[20] ptn 0 name='sbl' start=00000000 len=0000000a flags=00000000 type=Modem Writable=Yes
[30] ptn 1 name='mibib' start=0000000a len=0000000a flags=00000000 type=Modem Writable=Yes
[40] ptn 2 name='efs2' start=00000014 len=00000030 flags=00000000 type=Modem Writable=Yes
[40] ptn 3 name='tz' start=00000044 len=00000004 flags=00000000 type=Modem Writable=Yes
[50] ptn 4 name='rpm' start=00000048 len=00000002 flags=00000000 type=Modem Writable=Yes
[60] ptn 5 name='aboot' start=0000004a len=00000002 flags=00000000 type=Modem Writable=Yes
[70] ptn 6 name='boot' start=0000004c len=0000003e flags=00000000 type=Modem Writable=Yes
[80] ptn 7 name='scrub' start=0000008a len=00000042 flags=00000000 type=Modem Writable=Yes
[80] ptn 8 name='modem' start=000000cc len=00000118 flags=00000000 type=Modem Writable=Yes
[90] ptn 9 name='misc' start=000001e4 len=00000006 flags=00000000 type=Modem Writable=Yes
[100] ptn 10 name='recovery' start=000001ea len=0000003e flags=00000000 type=Modem Writable=Yes
[110] ptn 11 name='fota' start=00000228 len=00000006 flags=00000000 type=Modem Writable=Yes
[120] ptn 12 name='recoveryfs' start=0000022e len=000001d0 flags=00000000 type=Modem Writable=Yes
[130] ptn 13 name='system' start=000003fe len=000001d0 flags=00000000 type=Modem Writable=Yes
[130] ptn 14 name='env0' start=000005ce len=00000005 flags=00000000 type=Modem Writable=Yes
[140] ptn 15 name='env1' start=000005d3 len=00000005 flags=00000000 type=Modem Writable=Yes
[150] ptn 16 name='userdata' start=000005d8 len=00000228 flags=00000000 type=Modem Writable=Yes
[160] ERROR: No devinfo partition found
[160] Neither 'config' nor 'frp' partition found
[170] ENV 0: part: env0, off: 0x0, secs: 4, blk_size: 0x40000, next: NO
[170] ENV: READ at 0x0 OK
[180] ENV 1: part: env1, off: 0x0, secs: 4, blk_size: 0x40000, next: NO
[180] ENV: READ at 0x0 OK
[180] both crc ok
[190] Use env0 as default
[190] llos_version=791fc9e9786c09f64d61378af60a1379
hw name:WLTFQT-144-A led_num=12
[200] input 'f' to fastboot mode ...
[550] f continue_count=0(<10)
[550] boot_select=0
[550] boot_select=0, kernel_mtd=[boot]
[560] Loading (boot) image (6152192): start
[1160] Loading (boot) image (6152192): done
[1170] Try to match DTB by mid = WLTFQT-144-A
[1170] DTB Total entry: 7, DTB version: 3
[1210] Using DTB entry: mid = WLTFQT-144-A
[1220] cmdline = 'noinitrd rw console=ttyHSL0,115200,n8 androidboot.hardware=qcom ehci-hcd.park=3 msm_rtb.filter=0x37 lpm_levels.sleep_disabled=1 earlycon=msm_hsl_uart,0x78b3000'
[1240] boot_select=0
[1240] kernel_mtd=boot
[1240] system_mtd=system
[1240] newcmdline=[boot_select=0 fota_mode=0 mid=WLTFQT-144-A noinitrd rw console=ttyHSL0,115200,n8 androidboot.hardware=qcom ehci-hcd.park=3 msm_rtb.filter=0x37 lpm_levels.sleep_disabled=1 earlycon=msm_hsl_uart,0x78b3000]
[1260] boot_select=0
[1270] cmdline: boot_select=0 fota_mode=0 mid=WLTFQT-144-A noinitrd rw console=ttyHSL0,115200,n8 androidboot.hardware=qcom ehci-hcd.park=3 msm_rtb.filter=0x37 lpm_levels.sleep_disabled=1 earlycon=msm_hsl_uart,0x78b3000 androidboot.serialno=cc1bdecb androidboot[1290] Updating device tree: start
[1390] Updating device tree: done
[1390] booting linux @ 0x80008000, ramdisk @ 0x80008000 (0), tags/device tree @ 0x81e00000
[1400] = Enable Watchdog Timer =
full bootlog bootlog
Modem
LAN
BOARD
is there any option to gain access to the uar?