platforms/arty: merge with Migen

litex/boards/platforms/arty.py

@@ -1,5 +1,7 @@
 # This file is Copyright (c) 2015 Yann Sionneau <yann@sionneau.net>
 # This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
+# This file is Copyright (c) 2018 William D. Jones <thor0505@comcast.net>
+# This file is Copyright (c) 2018 Caleb Jamison <cbjamo@gmail.com>
 # License: BSD
 
 from litex.build.generic_platform import *
@@ -11,11 +13,32 @@ _io = [
     ("user_led", 2, Pins("T9"), IOStandard("LVCMOS33")),
     ("user_led", 3, Pins("T10"), IOStandard("LVCMOS33")),
 
-    ("rgb_leds", 0,
+    ("rgb_led", 0,
-        Subsignal("r", Pins("G6 G3 J3 K1")),
+        Subsignal("r", Pins("G6")),
-        Subsignal("g", Pins("F6 J4 J2 H6")),
+        Subsignal("g", Pins("F6")),
-        Subsignal("b", Pins("E1 G4 H4 K2")),
+        Subsignal("b", Pins("E1")),
-        IOStandard("LVCMOS33")
+        IOStandard("LVCMOS33"),
+    ),
+
+    ("rgb_led", 1,
+        Subsignal("r", Pins("G3")),
+        Subsignal("g", Pins("J4")),
+        Subsignal("b", Pins("G4")),
+        IOStandard("LVCMOS33"),
+    ),
+
+    ("rgb_led", 2,
+        Subsignal("r", Pins("J3")),
+        Subsignal("g", Pins("J2")),
+        Subsignal("b", Pins("H4")),
+        IOStandard("LVCMOS33"),
+    ),
+
+    ("rgb_led", 3,
+        Subsignal("r", Pins("K1")),
+        Subsignal("g", Pins("H6")),
+        Subsignal("b", Pins("K2")),
+        IOStandard("LVCMOS33"),
     ),
 
     ("user_sw", 0, Pins("A8"), IOStandard("LVCMOS33")),
@@ -42,69 +65,75 @@ _io = [
         Subsignal("cs_n", Pins("C1")),
         Subsignal("mosi", Pins("H1")),
         Subsignal("miso", Pins("G1")),
-        IOStandard("LVCMOS33")
+        IOStandard("LVCMOS33"),
     ),
 
-    ("spiflash_4x", 0,  # clock needs to be accessed through STARTUPE2
+    ("i2c", 0,
+        Subsignal("scl", Pins("L18")),
+        Subsignal("sda", Pins("M18")),
+        Subsignal("scl_pup", Pins("A14")),
+        Subsignal("sda_pup", Pins("A13")),
+        IOStandard("LVCMOS33"),
+    ),
+
+    ("spiflash4x", 0,  # clock needs to be accessed through STARTUPE2
         Subsignal("cs_n", Pins("L13")),
         Subsignal("dq", Pins("K17", "K18", "L14", "M14")),
         IOStandard("LVCMOS33")
     ),
-    ("spiflash_1x", 0,  # clock needs to be accessed through STARTUPE2
+    ("spiflash", 0,  # clock needs to be accessed through STARTUPE2
         Subsignal("cs_n", Pins("L13")),
         Subsignal("mosi", Pins("K17")),
         Subsignal("miso", Pins("K18")),
         Subsignal("wp", Pins("L14")),
         Subsignal("hold", Pins("M14")),
-        IOStandard("LVCMOS33")
+        IOStandard("LVCMOS33"),
     ),
 
-
-    ("eth_ref_clk", 0, Pins("G18"), IOStandard("LVCMOS33")),
-
     ("ddram", 0,
         Subsignal("a", Pins(
             "R2 M6 N4 T1 N6 R7 V6 U7",
             "R8 V7 R6 U6 T6 T8"),
-            IOStandard("SSTL15")),
+            IOStandard("SSTL135")),
-        Subsignal("ba", Pins("R1 P4 P2"), IOStandard("SSTL15")),
+        Subsignal("ba", Pins("R1 P4 P2"), IOStandard("SSTL135")),
-        Subsignal("ras_n", Pins("P3"), IOStandard("SSTL15")),
+        Subsignal("ras_n", Pins("P3"), IOStandard("SSTL135")),
-        Subsignal("cas_n", Pins("M4"), IOStandard("SSTL15")),
+        Subsignal("cas_n", Pins("M4"), IOStandard("SSTL135")),
-        Subsignal("we_n", Pins("P5"), IOStandard("SSTL15")),
+        Subsignal("we_n", Pins("P5"), IOStandard("SSTL135")),
-        Subsignal("cs_n", Pins("U8"), IOStandard("SSTL15")),
+        Subsignal("cs_n", Pins("U8"), IOStandard("SSTL135")),
-        Subsignal("dm", Pins("L1 U1"), IOStandard("SSTL15")),
+        Subsignal("dm", Pins("L1 U1"), IOStandard("SSTL135")),
         Subsignal("dq", Pins(
             "K5 L3 K3 L6 M3 M1 L4 M2",
             "V4 T5 U4 V5 V1 T3 U3 R3"),
-            IOStandard("SSTL15"),
+            IOStandard("SSTL135"),
             Misc("IN_TERM=UNTUNED_SPLIT_40")),
-        Subsignal("dqs_p", Pins("N2 U2"), IOStandard("DIFF_SSTL15")),
+        Subsignal("dqs_p", Pins("N2 U2"), IOStandard("DIFF_SSTL135")),
-        Subsignal("dqs_n", Pins("N1 V2"), IOStandard("DIFF_SSTL15")),
+        Subsignal("dqs_n", Pins("N1 V2"), IOStandard("DIFF_SSTL135")),
-        Subsignal("clk_p", Pins("U9"), IOStandard("DIFF_SSTL15")),
+        Subsignal("clk_p", Pins("U9"), IOStandard("DIFF_SSTL135")),
-        Subsignal("clk_n", Pins("V9"), IOStandard("DIFF_SSTL15")),
+        Subsignal("clk_n", Pins("V9"), IOStandard("DIFF_SSTL135")),
-        Subsignal("cke", Pins("N5"), IOStandard("SSTL15")),
+        Subsignal("cke", Pins("N5"), IOStandard("SSTL135")),
-        Subsignal("odt", Pins("R5"), IOStandard("SSTL15")),
+        Subsignal("odt", Pins("R5"), IOStandard("SSTL135")),
-        Subsignal("reset_n", Pins("K6"), IOStandard("SSTL15")),
+        Subsignal("reset_n", Pins("K6"), IOStandard("SSTL135")),
         Misc("SLEW=FAST"),
     ),
 
+    ("eth_ref_clk", 0, Pins("G18"), IOStandard("LVCMOS33")),
     ("eth_clocks", 0,
         Subsignal("tx", Pins("H16")),
         Subsignal("rx", Pins("F15")),
-        IOStandard("LVCMOS33")
+        IOStandard("LVCMOS33"),
     ),
     ("eth", 0,
         Subsignal("rst_n", Pins("C16")),
         Subsignal("mdio", Pins("K13")),
         Subsignal("mdc", Pins("F16")),
-        Subsignal("dv", Pins("G16")),
+        Subsignal("rx_dv", Pins("G16")),
         Subsignal("rx_er", Pins("C17")),
         Subsignal("rx_data", Pins("D18 E17 E18 G17")),
         Subsignal("tx_en", Pins("H15")),
         Subsignal("tx_data", Pins("H14 J14 J13 H17")),
         Subsignal("col", Pins("D17")),
         Subsignal("crs", Pins("G14")),
-        IOStandard("LVCMOS33")
+        IOStandard("LVCMOS33"),
     ),
 ]
 
@@ -112,9 +141,94 @@ _connectors = [
     ("pmoda", "G13 B11 A11 D12 D13 B18 A18 K16"),
     ("pmodb", "E15 E16 D15 C15 J17 J18 K15 J15"),
     ("pmodc", "U12 V12 V10 V11 U14 V14 T13 U13"),
-    ("pmodd", "D4 D3 F4 F3 E2 D2 H2 G2"),   
+    ("pmodd", "D4 D3 F4 F3 E2 D2 H2 G2"),
+    ("ck_io", {
+        # Outer Digital Header
+        "ck_io0" : "V15",
+        "ck_io1" : "U16",
+        "ck_io2" : "P14",
+        "ck_io3" : "T11",
+        "ck_io4" : "R12",
+        "ck_io5" : "T14",
+        "ck_io6" : "T15",
+        "ck_io7" : "T16",
+        "ck_io8" : "N15",
+        "ck_io9" : "M16",
+        "ck_io10" : "V17",
+        "ck_io11" : "U18",
+        "ck_io12" : "R17",
+        "ck_io13" : "P17",
+
+        # Inner Digital Header
+        "ck_io26" : "U11",
+        "ck_io27" : "V16",
+        "ck_io28" : "M13",
+        "ck_io29" : "R10",
+        "ck_io30" : "R11",
+        "ck_io31" : "R13",
+        "ck_io32" : "R15",
+        "ck_io33" : "P15",
+        "ck_io34" : "R16",
+        "ck_io35" : "N16",
+        "ck_io36" : "N14",
+        "ck_io37" : "U17",
+        "ck_io38" : "T18",
+        "ck_io39" : "R18",
+        "ck_io40" : "P18",
+        "ck_io41" : "N17",
+
+        # Outer Analog Header as Digital IO
+        "ck_a0" : "F5",
+        "ck_a1" : "D8",
+        "ck_a2" : "C7",
+        "ck_a3" : "E7",
+        "ck_a4" : "D7",
+        "ck_a5" : "D5",
+
+        # Inner Analog Header as Digital IO
+        "ck_io20" : "B7",
+        "ck_io21" : "B6",
+        "ck_io22" : "E6",
+        "ck_io23" : "E5",
+        "ck_io24" : "A4",
+        "ck_io25" : "A3",
+        } ),
+    ("XADC", {
+        # Outer Analog Header
+        "vaux4_n" : "C5",
+        "vaux4_p" : "C6",
+        "vaux5_n" : "A5",
+        "vaux5_p" : "A6",
+        "vaux6_n" : "B4",
+        "vaux6_p" : "C4",
+        "vaux7_n" : "A1",
+        "vaux7_p" : "B1",
+        "vaux15_n" : "B2",
+        "vaux15_p" : "B3",
+        "vaux0_n" : "C14",
+        "vaux0_p" : "D14",
+
+        # Inner Analog Header
+        "vaux12_n" : "B7",
+        "vaux12_p" : "B6",
+        "vaux13_n" : "E6",
+        "vaux13_p" : "E5",
+        "vaux14_n" : "A4",
+        "vaux14_p" : "A3",
+
+        # Power Measurements
+        "vsnsuv_n" : "B17",
+        "vsnsuv_p" : "B16",
+        "vsns5v0_n" : "B12",
+        "vsns5v0_p" : "C12",
+        "isns5v0_n" : "F14",
+        "isns5v0_n" : "F13",
+        "isns0v95_n" : "A16",
+        "isns0v95_n" : "A15",
+        } ),
 ]
 
+
 class Platform(XilinxPlatform):
     default_clk_name = "clk100"
     default_clk_period = 10.0
@@ -128,7 +242,7 @@ class Platform(XilinxPlatform):
             ["write_cfgmem -force -format bin -interface spix4 -size 16 "
              "-loadbit \"up 0x0 {build_name}.bit\" -file {build_name}.bin"]
         self.programmer = programmer
-        self.add_platform_command("set_property INTERNAL_VREF 0.750 [get_iobanks 34]")
+        self.add_platform_command("set_property INTERNAL_VREF 0.675 [get_iobanks 34]")
 
     def create_programmer(self):
         if self.programmer == "xc3sprog":