targets: add basic KC705

targets/kc705.py

@@ -0,0 +1,31 @@
+from migen.fhdl.std import *
+from migen.bus import wishbone
+
+from misoclib.gensoc import GenSoC, IntegratedBIOS
+
+class BaseSoC(GenSoC, IntegratedBIOS):
+	default_platform = "kc705"
+
+	def __init__(self, platform, **kwargs):
+		GenSoC.__init__(self, platform,
+			clk_freq=156*1000000, cpu_reset_address=0,
+			**kwargs)
+		IntegratedBIOS.__init__(self)
+
+		clk200 = platform.request("clk156")
+		self.specials += Instance("IBUFGDS",
+				i_I=clk200.p,
+				i_IB=clk200.n,
+				o_O=ClockSignal()
+		)
+		self.clock_domains.cd_sys = ClockDomain()
+		self.clock_domains.cd_pwr_on = ClockDomain(reset_less=True)
+		self.comb += self.cd_pwr_on.clk.eq(self.cd_sys.clk)
+		self.cd_sys.rst.reset = 1
+		self.sync.pwr_on += self.cd_sys.rst.eq(0)
+
+		self.submodules.usermem = wishbone.SRAM(64*1024)
+		self.add_wb_slave(lambda a: a[27:29] == 2, self.usermem.bus)
+		self.add_cpu_memory_region("sdram", 0x40000000, 64*1024)
+
+default_subtarget = BaseSoC