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Libs/RiscV/NEORV32/sw/openocd/openocd_neorv32.cfg

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+# openOCD configuration file for generic FT2232H-based USB-jtag interface
+# references: https://mcuoneclipse.com/2019/10/20/jtag-debugging-the-esp32-with-ft2232-and-openocd/
+
+# ----------------------------------------------
+# Interface configuration
+# ----------------------------------------------
+
+# FT2232H pinout:
+# TCK:  D0
+# TDI:  D1
+# TDO:  D2
+# TMS:  D3
+# TRST: D4 (low-active, optional - pull input pin high if not used)
+
+adapter driver ftdi
+ftdi_vid_pid 0x0403 0x6010
+ftdi_channel 0
+ftdi_layout_init 0x0038 0x003b
+
+adapter speed 1000
+ftdi_layout_signal nTRST -ndata 0x0010 -noe 0x0040
+transport select jtag
+
+# ----------------------------------------------
+# Target configuration
+# ----------------------------------------------
+
+set _CHIPNAME neorv32
+set _JTAGID 0x0cafe001
+jtag newtap $_CHIPNAME cpu -irlen 5 -expected-id $_JTAGID
+
+set _TARGETNAME $_CHIPNAME.cpu
+
+target create $_TARGETNAME.0 riscv -chain-position $_TARGETNAME
+
+# ----------------------------------------------
+# Scratch pad RAM
+# ----------------------------------------------
+
+# work area ("scratch pad RAM"): beginning of (internal) DMEM, 256 bytes, requires(!) backup
+$_TARGETNAME.0 configure -work-area-phys 0x80000000 -work-area-size 256 -work-area-backup 1