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# Texas Instruments (TI) TNETC4401, MIPS32 DOCSIS-tailored SoC (4Kc-based)
# Used in Knovative KC-100 and Motorola Surfboard SB5120 cable modems.
# Datasheet: https://brezn.muc.ccc.de/~mazzoo/DOCSIS/tnetc4401.pdf
transport select jtag
set _TARGETNAME tnetc4401
set _CPUTAPID 0x0000100f
jtag newtap $_TARGETNAME tap -irlen 5 -ircapture 0x01 -irmask 0x1f -expected-id $_CPUTAPID
target create $_TARGETNAME mips_m4k -chain-position $_TARGETNAME.tap -endian big
# May need to halt manually before calling reset init
$_TARGETNAME configure -event reset-init {
halt
echo "Attempting to disable watchdog..."
mwb phys 0xa8610b00 0 256
halt
wait_halt
}
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