platforms: ROACH (incomplete)

mibuild/platforms/roach.py

@@ -0,0 +1,33 @@
+from mibuild.generic_platform import *
+from mibuild.xilinx_ise import XilinxISEPlatform
+
+_io = [
+	("epb", 0,
+		Subsignal("cs_n", Pins("K13")),
+		Subsignal("r_w_n", Pins("AF20")),
+		Subsignal("be_n", Pins("AF14", "AF18")),
+		Subsignal("oe_n", Pins("AF21")),
+		Subsignal("addr", Pins("AE23", "AE22", "AG18", "AG12", "AG15", "AG23", "AF19", "AE12", "AG16", "AF13", "AG20", "AF23", 
+			"AH17", "AH15", "L20", "J22", "H22", "L15", "L16", "K22", "K21", "K16", "J15")),
+		Subsignal("addr_gp", Pins("L21", "G22", "K23", "K14", "L14", "J12")),
+		Subsignal("data", Pins("AF15", "AE16", "AE21", "AD20", "AF16", "AE17", "AE19", "AD19", "AG22", "AH22", "AH12", "AG13",
+			"AH20", "AH19", "AH14", "AH13")),
+		Subsignal("rdy", Pins("K12")),
+		IOStandard("LVCMOS33")
+	),
+	("roach_clocks", 0,
+		Subsignal("epb_clk", Pins("AH18"), IOStandard("LVCMOS33")),
+		Subsignal("sys_clk_n", Pins("H13")),
+		Subsignal("sys_clk_p", Pins("J14")),
+		Subsignal("aux0_clk_p", Pins("G15")),
+		Subsignal("aux0_clk_n", Pins("G16")),
+		Subsignal("aux1_clk_p", Pins("H14")),
+		Subsignal("aux1_clk_n", Pins("H15")),
+		Subsignal("dly_clk_n", Pins("J17")),
+		Subsignal("dly_clk_p", Pins("J16")),
+	),
+]
+
+class Platform(XilinxISEPlatform):
+	def __init__(self):
+		XilinxISEPlatform.__init__(self, "xc5vsx95t-ff1136-1", _io)