litesata: update build core target generation

misoclib/mem/litesata/example_designs/make.py

@@ -69,8 +69,11 @@ if __name__ == "__main__":
 	top_kwargs = dict((k, autotype(v)) for k, v in args.target_option)
 	soc = top_class(platform, **top_kwargs)
 	soc.finalize()
+	try:
 		memory_regions = soc.get_memory_regions()
 		csr_regions = soc.get_csr_regions()
+	except:
+		pass
 
 	# decode actions
 	action_list = ["clean", "build-csr-csv", "build-core", "build-bitstream", "load-bitstream", "all"]
@@ -139,8 +142,8 @@ BIST: {}
 			MultiReg:					XilinxMultiReg,
 			AsyncResetSynchronizer:		XilinxAsyncResetSynchronizer
 		}
-		src = verilog.convert(soc, ios, special_overrides=so)
-		tools.write_to_file("build/litesata.v", src)
+		v_output = verilog.convert(soc, ios, special_overrides=so)
+		v_output.write("build/litesata.v")
 
 	if actions["build-bitstream"]:
 		vns = platform.build(soc, build_name=build_name, run=True)

misoclib/mem/litesata/example_designs/platforms/verilog_backend.py

@@ -1,6 +1,5 @@
 from mibuild.generic_platform import *
-from mibuild.xilinx.common import CRG_DS
-from mibuild.xilinx.vivado import XilinxVivadoPlatform
+from mibuild.xilinx.platform import XilinxPlatform
 
 _io = [
 	("sys_clk", 0, Pins("X")),
@@ -16,9 +15,9 @@ _io = [
 	),
 ]
 
-class Platform(XilinxVivadoPlatform):
-	def __init__(self, crg_factory=lambda p: CRG_DS(p, "clk200", "cpu_reset"), **kwargs):
-		XilinxVivadoPlatform.__init__(self, "xc7k325t-ffg900-2", _io, crg_factory)
+class Platform(XilinxPlatform):
+	def __init__(self, device="xc7k325t", programmer=""):
+		XilinxPlatform.__init__(self, device, _io)
 
 	def do_finalize(self, *args, **kwargs):
 		pass