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Allow use of OpenOCD for the Crosslink-NX #515

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Aug 28, 2023
Merged

Allow use of OpenOCD for the Crosslink-NX #515

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5 changes: 4 additions & 1 deletion litex_boards/platforms/lattice_crosslink_nx_evn.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
from litex.build.lattice import LatticeNexusPlatform
from litex.build.lattice.programmer import LatticeProgrammer
from litex.build.lattice.programmer import EcpprogProgrammer
from litex.build.lattice.programmer import OpenOCDJTAGProgrammer

# IOs ----------------------------------------------------------------------------------------------

Expand Down Expand Up @@ -271,11 +272,13 @@ def request(self, *args, **kwargs):

def create_programmer(self, mode = "direct", prog="radiant"):
assert mode in ["direct","flash"]
assert prog in ["radiant","ecpprog"]
assert prog in ["radiant","ecpprog","openocd"]

if prog == "ecpprog":
return EcpprogProgrammer()

if prog == "openocd":
return OpenOCDJTAGProgrammer("openocd_evn_nx.cfg")

xcf_template_direct = """<?xml version='1.0' encoding='utf-8' ?>
<!DOCTYPE ispXCF SYSTEM "IspXCF.dtd" >
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10 changes: 10 additions & 0 deletions litex_boards/prog/openocd_evn_nx.cfg
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Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
adapter driver ftdi
adapter speed 25000
transport select jtag
ftdi vid_pid 0x0403 0x6010
ftdi channel 0
ftdi layout_init 0x00e8 0x60eb
reset_config none

set _CHIPNAME crosslink_nx
jtag newtap $_CHIPNAME tap -irlen 8 -expected-id 0x110f1043
2 changes: 1 addition & 1 deletion litex_boards/targets/lattice_crosslink_nx_evn.py
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Expand Up @@ -106,7 +106,7 @@ def main():
parser.add_target_argument("--device", default="LIFCL-40-9BG400C", help="FPGA device (LIFCL-40-9BG400C, LIFCL-40-8BG400CES, or LIFCL-40-8BG400CES2).")
parser.add_target_argument("--sys-clk-freq", default=75e6, type=float, help="System clock frequency.")
parser.add_target_argument("--serial", default="serial", help="UART Pins (serial (requires R15 and R17 to be soldered) or serial_pmod[0-2]).")
parser.add_target_argument("--programmer", default="radiant", help="Programmer (radiant or ecpprog).")
parser.add_target_argument("--programmer", default="radiant", help="Programmer (radiant or ecpprog or openocd).")
parser.add_target_argument("--address", default=0x0, help="Flash address to program bitstream at.")
parser.add_target_argument("--prog-target", default="direct", help="Programming Target (direct or flash).")
args = parser.parse_args()
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