coming in from openwrt forum: https://forum.openwrt.org/t/trying-to-rescue-bricked-dgn1000-v3-need-help/36909
currently have serial console but i may have borked the u-boot looking for help on how to jtag or spi flash the chip to restore original firmware on the modem
Currently on the serial console i get this output
ROM VER: 1.2.0
CFG 04
EEPROM Data OK
UART
running binwalk gives:
DECIMAL HEXADECIMAL DESCRIPTION
--------------------------------------------------------------------------------
192 0xC0 Squashfs filesystem, little endian, version 4.0, compression:lzma, size: 3548940 bytes, 1283 inodes, blocksize: 131072 bytes, created: 2015-04-07 07:20:16
3551424 0x3630C0 LZMA compressed data, properties: 0x5D, dictionary size: 8388608 bytes, uncompressed size: 5398000 bytes
here's the serial output logs before i bricked the device at the end you can see the upload got interrupted and bricked the device https://pastebin.com/SQUsq1Zv
need help/ideas/pointers on how to reflash the original firmware. thanks.
Lantiq UART loader script U-boot compiled to run from RAM U-boot compiled to install in flash