ReferenceProjects/riscv-bluespec-classic
1
0
Fork 1
Code Issues 10 Pull requests 1 Actions Packages Projects Releases Wiki Activity

Make make fpga work

Browse source 
`ERROR: IO 'ftdi_txd_1' is unconstrained in LPF (override this error with --lpf-allow-unconstrained)`
This commit is contained in:
Artturin 2025-04-02 03:10:29 +03:00
parent d48621521a
commit 7836ac5f3f
3 changed files with 5 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
.gitignore vendored
View file

@ -15,6 +15,8 @@ verilog_RTL
# files generated for FPGA ULX3s implementation
ulx3s_fpga/mkTop.d
ulx3s_fpga/mkTop.json
ulx3s_fpga/mkTop.bit
ulx3s_fpga/mkTop.config
# generated experiment outputs
experiments/bram/*.cxx

2
Makefile
View file

@ -160,7 +160,7 @@ v_sim_vcd:
# ----------------------------------------------------------------
fpga:
make -C ulx3s_fpga
make -C ulx3s_fpga mkTop.bit
.PHONY: clean
clean:

3
ulx3s_fpga/makefile
View file

@ -5,7 +5,7 @@ IDCODE ?= 0x41113043 # 85f
all: prog
../verilog_RTL/$(TOPMODULE).v: ../src/Top.bsv
../verilog_RTL/$(TOPMODULE).v: ../bs/Top.bs
V_SIM=verilator TOPMODULE=$(TOPMODULE) make -C ../ v_compile
$(TOPMODULE).json: ../verilog_RTL/$(TOPMODULE).v
@ -21,6 +21,7 @@ $(TOPMODULE).config: $(TOPMODULE).json
--textcfg $@ \
--lpf ulx3s_v20.lpf \
--85k \
--lpf-allow-unconstrained \
--package CABGA381
$(TOPMODULE).bit: $(TOPMODULE).config