Update FTDI C232HM cfg, and add two new cfgs from cable modem research

[fw/openocd] / tcl / target / tnetc4401.cfg

diff --git a/tcl/target/tnetc4401.cfg b/tcl/target/tnetc4401.cfg
new file mode 100644 (file)
index 0000000..48f7545
--- /dev/null
+++ b/tcl/target/tnetc4401.cfg
@@ -0,0 +1,17 @@
+# 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
+}