Add flash to SPI flash support for board ECPIX5 (needs update to...

Add flash to SPI flash support for board ECPIX5 (needs update to openfpgaloader.py from litex to work)

litex_boards/platforms/ecpix5.py

@@ -6,7 +6,7 @@
 
 from litex.build.generic_platform import *
 from litex.build.lattice import LatticePlatform
-from litex.build.lattice.programmer import OpenOCDJTAGProgrammer
+from litex.build.openfpgaloader import OpenFPGALoader
 
 # IOs ----------------------------------------------------------------------------------------------
 
@@ -152,7 +152,7 @@ class Platform(LatticePlatform):
         LatticePlatform.__init__(self, f"LFE5UM5G-{device}-8BG554I", _io, _connectors, toolchain=toolchain, **kwargs)
 
     def create_programmer(self):
-        return OpenOCDJTAGProgrammer("openocd_ecpix5.cfg")
+        return OpenFPGALoader("ecpix5")
 
     def do_finalize(self, fragment):
         LatticePlatform.do_finalize(self, fragment)

litex_boards/targets/ecpix5.py

@@ -134,6 +134,7 @@ def main():
     parser = argparse.ArgumentParser(description="LiteX SoC on ECPIX-5")
     parser.add_argument("--build",         action="store_true", help="Build bitstream")
     parser.add_argument("--load",          action="store_true", help="Load bitstream")
+    parser.add_argument("--flash",         action="store_true", help="Flash bitstream to SPI Flash")
     parser.add_argument("--device",        default="85F",       help="ECP5 device (default: 85F)")
     parser.add_argument("--sys-clk-freq",  default=75e6,        help="System clock frequency (default: 75MHz)")
     parser.add_argument("--with-sdcard",   action="store_true", help="Enable SDCard support")
@@ -156,7 +157,11 @@ def main():
 
     if args.load:
         prog = soc.platform.create_programmer()
-        prog.load_bitstream(os.path.join(builder.gateware_dir, soc.build_name + ".svf"))
+        prog.load_bitstream(os.path.join(builder.gateware_dir, soc.build_name + ".bit"))
+
+    if args.flash:
+        prog = soc.platform.create_programmer()
+        prog.flash(None, os.path.join(builder.gateware_dir, soc.build_name + ".bit"))
 
 if __name__ == "__main__":
     main()