42 lines
1.2 KiB
INI
42 lines
1.2 KiB
INI
# openocd config file for Marble Mini
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# https://github.com/BerkeleyLab/Marble-mini
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interface ftdi
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# This string needs programming into U21 EEPROM attached to U23 FT4232H
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# ftdi_device_desc "Marble Mini"
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# Pin assignment consistent with MPSSE Channel A, Table 3.14 for FT4232H-56Q
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# ADBUS0 (pin 12) USB_TCK
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# ADBUS1 (pin 13) USB_TDI
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# ADBUS2 (pin 14) USB_TDO
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# ADBUS3 (pin 15) USB_TMS
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# Additional pin, GPIOL0, set high
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# ADBUS4 (pin 17) EN_USB_JTAG
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# check logic of EN_USB_JTAG:
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# routed to U39-3 P0_2 for informational purposes
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# also to Q5, forces disable of Self_FPGA_* buffers
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# Default for FT4232H
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ftdi_vid_pid 0x0403 0x6011
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# Choose channel for FPGA JTAG, 0 == Channel A?
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ftdi_channel 0
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# Just TCK TDI TDO TMS, all other pins driven high.
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# Not sure what controls DBUS banks C, D, and maybe even B.
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ftdi_layout_init 0xfff8 0xfffb
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reset_config none
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# default speed
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adapter_khz 15000
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# Cribbed from openocd-code/tcl/board/kasli.cfg
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source [find cpld/xilinx-xc7.cfg]
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source [find cpld/jtagspi.cfg]
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# Following lines found in git head, but don't work with older openocd
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# version 0.10.0 available with apt-get in Debian Buster.
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# source [find fpga/xilinx-xadc.cfg]
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# source [find fpga/xilinx-dna.cfg]
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