Using different computer didn’t work however I got more details:
Trying to debug jumpdrive boot process:
Output of uuu -lsusb
uuu (Universal Update Utility) for nxp imx chips – libuuu_1.4.193-0-ge56424c
Connected Known USB Devices
Path Chip Pro Vid Pid BcdVersion
==================================================
1:5 MX8MQ SDP: 0x1FC9 0x012B 0x0001
boot-purism-librem5.sh has uuu purism-librem5.lst and purism-librem5.lst has all uuu commands listed.
so I started uuu shell with uuu -s and executed commands from lst.
Please input command:
U>CFG: FB: -vid 0x316d -pid 0x4c05
>Start Cmd:CFG: FB: -vid 0x316d -pid 0x4c05
Okay
U>CFG: SDP: -chip MX8MQ -compatible MX8MQ -vid 0x316d -pid 0x4c05
>Start Cmd:CFG: SDP: -chip MX8MQ -compatible MX8MQ -vid 0x316d -pid 0x4c05
Okay
U>SDP: boot -f u-boot-librem5.bin
>Start Cmd:SDP: boot -f u-boot-librem5.bin
New USB Device Attached at 1:5
100%1:5>Okay (3.057s)
Okay
U>SDPU: delay 1000
1:5>Start Cmd:SDPU: delay 1000
Wait for Known USB \
Wait for Known USB /
Wait for Known USB -
Wait for Known USB \
Wait for Known USB | /