--- /dev/null
+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