clk_freq = 50e6
dram_clk_freq = 100e6
if fpga == 'arty_a7':
- clk_freq = 24e6 # urrr "working" with the QSPI core (25 mhz does not)
+ clk_freq = 23.0e6 # urrr "working" with the QSPI core (25 mhz does not)
if fpga == 'ulx3s':
clk_freq = 40.0e6
if fpga == 'orangecrab':
#os.environ['NMIGEN_synth_opts'] = '-abc9'
os.environ['NMIGEN_synth_opts'] = '-nowidelut'
+ if toolchain == 'yosys_nextpnr':
+ # add --seed 2 to arty a7 compile-time options
+ os.environ['NMIGEN_nextpnr_opts'] = '--seed 6'
+
if platform is not None:
# build and upload it
if fpga == 'isim':