From 5b5d2d15b826ae9f22edb40177e9d576d9ca7470 Mon Sep 17 00:00:00 2001 From: Robert Jordens Date: Thu, 26 Feb 2015 20:22:21 -0700 Subject: [PATCH] add pipistrello platform --- mibuild/platforms/pipistrello.py | 128 +++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100644 mibuild/platforms/pipistrello.py diff --git a/mibuild/platforms/pipistrello.py b/mibuild/platforms/pipistrello.py new file mode 100644 index 000000000..cd3d67fe0 --- /dev/null +++ b/mibuild/platforms/pipistrello.py @@ -0,0 +1,128 @@ +from mibuild.generic_platform import * +from mibuild.crg import SimpleCRG +from mibuild.xilinx.ise import XilinxISEPlatform +from mibuild.xilinx.programmer import XC3SProg + +_io = [ + ("user_led", 0, Pins("V16"), IOStandard("LVTTL"), Drive(8), Misc("SLEW=QUIETIO")), # green near hdmi + ("user_led", 1, Pins("U16"), IOStandard("LVTTL"), Drive(8), Misc("SLEW=QUIETIO")), # red near hdmi + ("user_led", 2, Pins("A16"), IOStandard("LVTTL"), Drive(8), Misc("SLEW=QUIETIO")), # green at msd + ("user_led", 3, Pins("A15"), IOStandard("LVTTL"), Drive(8), Misc("SLEW=QUIETIO")), # red at msd + ("user_led", 4, Pins("A12"), IOStandard("LVTTL"), Drive(8), Misc("SLEW=QUIETIO")), # red at usb + + ("user_switch", 0, Pins("N14"), IOStandard("LVTTL"), Misc("PULLDOWN")), + + ("clk50", 0, Pins("H17"), IOStandard("LVTTL")), + + ("serial", 0, + Subsignal("tx", Pins("A10"), Misc("SLEW=SLOW")), + Subsignal("rx", Pins("A11"), Misc("PULLUP")), + Subsignal("rts", Pins("C10"), Misc("SLEW=SLOW")), + Subsignal("cts", Pins("A9"), Misc("PULLUP")), + IOStandard("LVTTL"), + ), + + ("usb_fifo", 0, + Subsignal("data", Pins("A11 A10 C10 A9 B9 A8 B8 A7")), + Subsignal("rxf", Pins("C7")), + Subsignal("txe", Pins("A6")), + Subsignal("rd", Pins("B6")), + Subsignal("wr", Pins("A5")), + Subsignal("siwua", Pins("C5")), + IOStandard("LVTTL"), + ), + + ("dvi_in", 0, + Subsignal("clk_p", Pins("U5"), IOStandard("TMDS_33")), + Subsignal("clk_n", Pins("V5"), IOStandard("TMDS_33")), + Subsignal("data0_p", Pins("T6"), IOStandard("TMDS_33")), + Subsignal("data0_n", Pins("V6"), IOStandard("TMDS_33")), + Subsignal("data1_p", Pins("U7"), IOStandard("TMDS_33")), + Subsignal("data1_n", Pins("V7"), IOStandard("TMDS_33")), + Subsignal("data2_p", Pins("U8"), IOStandard("TMDS_33")), + Subsignal("data2_n", Pins("V8"), IOStandard("TMDS_33")), + Subsignal("scl", Pins("V9"), IOStandard("LVCMOS33")), + Subsignal("sda", Pins("T9"), IOStandard("LVCMOS33")), + Subsignal("hpd_notif", Pins("R8"), IOStandard("LVCMOS33")), + ), + + ("spiflash", 0, + Subsignal("cs_n", Pins("V3")), + Subsignal("clk", Pins("R15")), + Subsignal("mosi", Pins("T13")), + Subsignal("miso", Pins("R13"), Misc("PULLUP")), + Subsignal("wp", Pins("T14")), + Subsignal("hold", Pins("V14")), + IOStandard("LVTTL"), Misc("SLEW=FAST") + ), + + ("spiflash2x", 0, + Subsignal("cs_n", Pins("V3")), + Subsignal("clk", Pins("R15")), + Subsignal("dq", Pins("T13", "R13"), Misc("PULLUP")), + Subsignal("wp", Pins("T14")), + Subsignal("hold", Pins("V14")), + IOStandard("LVCMOS33"), Misc("SLEW=FAST") + ), + + ("mmc", 0, + Subsignal("clk", Pins("A3")), + Subsignal("cmd", Pins("B3")), + Subsignal("dat", Pins("B4 A4 B2 A2")), + IOStandard("SDIO") + ), + + ("audio", 0, + Subsignal("l", Pins("R7")), + Subsignal("r", Pins("T7")), + IOStandard("LVTTL"), + ), + + ("pmod", 0, + Subsignal("d", Pins("D9 C8 D6 C4 B11 C9 D8 C6")), + IOStandard("LVCMOS33") + ), + + ("sdram_clock", 0, + Subsignal("p", Pins("G3")), + Subsignal("n", Pins("G1")), + IOStandard("MOBILE_DDR"), Misc("SLEW=FAST"), + ), + + ("sdram", 0, + Subsignal("a", Pins("J7 J6 H5 L7 F3 H4 H3 H6 D2 D1 F4 D3 G6")), + Subsignal("ba", Pins("F2 F1")), + # Subsignal("cs_n", Pins("")), + Subsignal("cke", Pins("H7")), + Subsignal("ras_n", Pins("L5")), + Subsignal("cas_n", Pins("K5")), + Subsignal("we_n", Pins("E3")), + Subsignal("dq", Pins("L2 L1 K2 K1 H2 H1 J3 J1 M3 M1 N2 N1 T2 T1 U2 U1")), + Subsignal("dm", Pins("K3 K4")), + IOStandard("MOBILE_DDR"), Misc("SLEW=FAST") + ) +] + +_connectors = [ + ("A", "U18 T17 P17 P16 N16 N17 M16 L15 L17 K15 K17 J16 H15 H18 F18 D18"), + ("B", "C18 E18 G18 H16 J18 K18 K16 L18 L16 M18 N18 N15 P15 P18 T18 U17"), + ("C", "F17 F16 E16 G16 F15 G14 F14 H14 H13 J13 G13 H12 K14 K13 K12 L12"), +] + +class Platform(XilinxISEPlatform): + identifier = 0x5049 + default_clk_name = "clk50" + default_clk_period = 20 + + def __init__(self): + XilinxISEPlatform.__init__(self, "xc6slx45-csg324-2", _io, + lambda p: SimpleCRG(p, "clk50", None), _connectors) + + def create_programmer(self): + return XC3SProg("ftdi", "bscan_spi_lx45_csg324.bit") + + def do_finalize(self, fragment): + try: + self.add_period_constraint(self.lookup_request("clk50"), 20.) + except ConstraintError: + pass