367 lines
16 KiB
Python
367 lines
16 KiB
Python
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#
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# This file is part of LiteX-Boards.
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#
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# Copyright (c) 2020 David Shah <dave@ds0.me>
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# Copyright (c) 2020 Florent Kermarrec <florent@enjoy-digital.fr>
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# SPDX-License-Identifier: BSD-2-Clause
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# Note: This platform should also be applicable to the Alveo U200, VCU1525, BCU1525 and other
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# 1525 variants.
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from litex.build.generic_platform import Pins, Subsignal, IOStandard, Misc
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from litex.build.xilinx import Xilinx7SeriesPlatform, VivadoProgrammer
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# IOs (initially auto-generated by extract_xdc_pins.py) ---------------------------------------------
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_io = [
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# Clk / Rst
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("clk300", 0,
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Subsignal("n", Pins("AY38"), IOStandard("DIFF_SSTL12")),
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Subsignal("p", Pins("AY37"), IOStandard("DIFF_SSTL12")),
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),
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("clk300", 1,
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Subsignal("n", Pins("AW19"), IOStandard("DIFF_SSTL12")),
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Subsignal("p", Pins("AW20"), IOStandard("DIFF_SSTL12")),
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),
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("clk300", 2,
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Subsignal("n", Pins("E32"), IOStandard("DIFF_SSTL12")),
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Subsignal("p", Pins("F32"), IOStandard("DIFF_SSTL12")),
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),
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("clk300", 3,
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Subsignal("n", Pins("H16"), IOStandard("DIFF_SSTL12")),
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Subsignal("p", Pins("J16"), IOStandard("DIFF_SSTL12")),
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),
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("cpu_reset", 0, Pins("AL20"), IOStandard("LVCMOS12")),
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# Leds
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("user_led", 0, Pins("BC21"), IOStandard("LVCMOS12")),
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("user_led", 1, Pins("BB21"), IOStandard("LVCMOS12")),
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("user_led", 2, Pins("BA20"), IOStandard("LVCMOS12")),
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# Switches
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("set_sw", 0, Pins("AL21")),
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("user_sw", 0, Pins("AN22"), IOStandard("LVCMOS12")),
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("user_sw", 1, Pins("AM19"), IOStandard("LVCMOS12")),
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("user_sw", 2, Pins("AL19"), IOStandard("LVCMOS12")),
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("user_sw", 3, Pins("AP20"), IOStandard("LVCMOS12")),
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# GPIOs
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("gpio_msp", 0, Pins("AR20"), IOStandard("LVCMOS12")),
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("gpio_msp", 1, Pins("AM20"), IOStandard("LVCMOS12")),
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("gpio_msp", 2, Pins("AM21"), IOStandard("LVCMOS12")),
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("gpio_msp", 3, Pins("AN21"), IOStandard("LVCMOS12")),
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# Serial
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("serial", 0,
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Subsignal("rx", Pins("BF18"), IOStandard("LVCMOS12")),
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Subsignal("tx", Pins("BB20"), IOStandard("LVCMOS12")),
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),
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("serial_msp", 0,
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Subsignal("rx", Pins("BA19"), IOStandard("LVCMOS12")),
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Subsignal("tx", Pins("BB19"), IOStandard("LVCMOS12")),
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),
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# DDR4 SDRAM
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("ddram_reset_gate", 0, Pins("AU21"), IOStandard("LVCMOS12")),
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("ddram", 0,
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Subsignal("a", Pins(
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"AT36 AV36 AV37 AW35 AW36 AY36 AY35 BA40",
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"BA37 BB37 AR35 BA39 BB40 AN36"),
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IOStandard("SSTL12_DCI")),
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Subsignal("act_n", Pins("BB39"), IOStandard("SSTL12_DCI")),
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Subsignal("ba", Pins("AT35 AT34"), IOStandard("SSTL12_DCI")),
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Subsignal("bg", Pins("BC37 BC39"), IOStandard("SSTL12_DCI")),
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Subsignal("cas_n", Pins("AP36"), IOStandard("SSTL12_DCI")),
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Subsignal("cke", Pins("BC38"), IOStandard("SSTL12_DCI")),
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Subsignal("clk_n", Pins("AW38"), IOStandard("DIFF_SSTL12_DCI")),
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Subsignal("clk_p", Pins("AV38"), IOStandard("DIFF_SSTL12_DCI")),
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Subsignal("cs_n", Pins("AR33"), IOStandard("SSTL12_DCI")),
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Subsignal("dq", Pins(
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"AW28 AW29 BA28 BA27 BB29 BA29 BC27 BB27",
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"BE28 BF28 BE30 BD30 BF27 BE27 BF30 BF29",
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"BB31 BB32 AY32 AY33 BC32 BC33 BB34 BC34",
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"AV31 AV32 AV34 AW34 AW31 AY31 BA35 BA34",
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"AL30 AM30 AU32 AT32 AN31 AN32 AR32 AR31",
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"AP29 AP28 AN27 AM27 AN29 AM29 AR27 AR28",
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"AT28 AV27 AU27 AT27 AV29 AY30 AW30 AV28",
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"BD34 BD33 BE33 BD35 BF32 BF33 BF34 BF35"),
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IOStandard("POD12_DCI"),
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Misc("PRE_EMPHASIS=RDRV_240"),
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Misc("EQUALIZATION=EQ_LEVEL2")),
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Subsignal("dqs_n", Pins(
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"BB30 BC26 BD29 BE26 BB36 BD31 AW33 BA33",
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"AM32 AP31 AL29 AT30 AU30 AY28 BE36 BE32"),
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IOStandard("DIFF_POD12"),
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Misc("PRE_EMPHASIS=RDRV_240"),
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Misc("EQUALIZATION=EQ_LEVEL2")),
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Subsignal("dqs_p", Pins(
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"BA30 BB26 BD28 BD26 BB35 BC31 AV33 BA32",
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"AM31 AP30 AL28 AR30 AU29 AY27 BE35 BE31"),
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IOStandard("DIFF_POD12"),
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Misc("PRE_EMPHASIS=RDRV_240"),
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Misc("EQUALIZATION=EQ_LEVEL2")),
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Subsignal("odt", Pins("AP34"), IOStandard("SSTL12_DCI")),
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Subsignal("ras_n", Pins("AR36"), IOStandard("SSTL12_DCI")),
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Subsignal("reset_n", Pins("AU31"), IOStandard("LVCMOS12")),
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Subsignal("we_n", Pins("AP35"), IOStandard("SSTL12_DCI")),
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Misc("SLEW=FAST")
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),
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("ddram", 1,
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Subsignal("a", Pins(
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"AN24 AT24 AW24 AN26 AY22 AY23 AV24 BA22",
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"AY25 BA23 AM26 BA25 BB22 AL24"),
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IOStandard("SSTL12_DCI")),
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Subsignal("act_n", Pins("AW25"), IOStandard("SSTL12_DCI")),
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Subsignal("ba", Pins("AU24 AP26"), IOStandard("SSTL12_DCI")),
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Subsignal("bg", Pins("BC22 AW26"), IOStandard("SSTL12_DCI")),
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Subsignal("cas_n", Pins("AM25"), IOStandard("SSTL12_DCI")),
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Subsignal("cke", Pins("BB25"), IOStandard("SSTL12_DCI")),
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Subsignal("clk_n", Pins("AU25"), IOStandard("DIFF_SSTL12_DCI")),
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Subsignal("clk_p", Pins("AT25"), IOStandard("DIFF_SSTL12_DCI")),
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Subsignal("cs_n", Pins("AV23"), IOStandard("SSTL12_DCI")),
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Subsignal("dq", Pins(
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"BD9 BD7 BC7 BD8 BD10 BE10 BE7 BF7",
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"AU13 AV13 AW13 AW14 AU14 AY11 AV14 BA11",
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"BA12 BB12 BA13 BA14 BC9 BB9 BA7 BA8",
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"AN13 AR13 AM13 AP13 AM14 AR15 AL14 AT15",
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"BE13 BD14 BF12 BD13 BD15 BD16 BF14 BF13",
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"AY17 BA17 AY18 BA18 BA15 BB15 BC11 BD11",
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"AV16 AV17 AU16 AU17 BB17 BB16 AT18 AT17",
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"AM15 AL15 AN17 AN16 AR18 AP18 AL17 AL16"),
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IOStandard("POD12_DCI"),
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Misc("PRE_EMPHASIS=RDRV_240"),
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Misc("EQUALIZATION=EQ_LEVEL2")),
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Subsignal("dqs_n", Pins(
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"BF9 BF8 AY15 AY12 BB10 BA9 AT13 AP14",
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"BE11 BF15 BC12 BC14 AW18 AY16 AR16 AM16"),
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IOStandard("DIFF_POD12"),
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Misc("PRE_EMPHASIS=RDRV_240"),
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Misc("EQUALIZATION=EQ_LEVEL2")),
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Subsignal("dqs_p", Pins(
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"BF10 BE8 AW15 AY13 BB11 BA10 AT14 AN14",
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"BE12 BE15 BC13 BB14 AV18 AW16 AP16 AM17"),
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IOStandard("DIFF_POD12"),
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Misc("PRE_EMPHASIS=RDRV_240"),
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Misc("EQUALIZATION=EQ_LEVEL2")),
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Subsignal("odt", Pins("AW23"), IOStandard("SSTL12_DCI")),
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Subsignal("ras_n", Pins("AN23"), IOStandard("SSTL12_DCI")),
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Subsignal("reset_n", Pins("AR17"), IOStandard("LVCMOS12")),
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Subsignal("we_n", Pins("AL25"), IOStandard("SSTL12_DCI")),
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Misc("SLEW=FAST")
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),
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("ddram", 2,
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Subsignal("a", Pins(
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"L29 A33 C33 J29 H31 G31 C32 B32",
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"A32 D31 A34 E31 M30 F33"),
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IOStandard("SSTL12_DCI")),
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Subsignal("act_n", Pins("B31"), IOStandard("SSTL12_DCI")),
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Subsignal("ba", Pins("D33 B36"), IOStandard("SSTL12_DCI")),
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Subsignal("bg", Pins("C31 J30"), IOStandard("SSTL12_DCI")),
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Subsignal("cas_n", Pins("G32"), IOStandard("SSTL12_DCI")),
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Subsignal("cke", Pins("G30"), IOStandard("SSTL12_DCI")),
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Subsignal("clk_n", Pins("B34"), IOStandard("DIFF_SSTL12_DCI")),
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Subsignal("clk_p", Pins("C34"), IOStandard("DIFF_SSTL12_DCI")),
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Subsignal("cs_n", Pins("B35"), IOStandard("SSTL12_DCI")),
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Subsignal("dq", Pins(
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"R25 P25 M25 L25 P26 R26 N27 N28",
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"J28 H29 H28 G29 K25 L27 K26 K27",
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"F27 E27 E28 D28 G27 G26 F28 F29",
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"D26 C26 B27 B26 A29 A30 C27 C28",
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"F35 E38 D38 E35 E36 E37 F38 G38",
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"P30 R30 P29 N29 L32 M32 P31 N32",
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"J35 K35 L33 K33 J34 J33 N34 P34",
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"H36 G36 H37 J36 K37 K38 G35 G34"),
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IOStandard("POD12_DCI"),
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Misc("PRE_EMPHASIS=RDRV_240"),
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Misc("EQUALIZATION=EQ_LEVEL2")),
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Subsignal("dqs_n", Pins(
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"M26 P28 J26 L28 D30 H27 A28 B29",
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"E40 F37 M31 R31 L36 L34 H38 H34"),
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IOStandard("DIFF_POD12"),
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Misc("PRE_EMPHASIS=RDRV_240"),
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Misc("EQUALIZATION=EQ_LEVEL2")),
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Subsignal("dqs_p", Pins(
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"N26 R28 J25 M27 D29 H26 A27 C29",
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"E39 G37 N31 T30 L35 M34 J38 H33"),
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IOStandard("DIFF_POD12"),
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Misc("PRE_EMPHASIS=RDRV_240"),
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Misc("EQUALIZATION=EQ_LEVEL2")),
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Subsignal("odt", Pins("E33"), IOStandard("SSTL12_DCI")),
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Subsignal("ras_n", Pins("K30"), IOStandard("SSTL12_DCI")),
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Subsignal("reset_n", Pins("D36"), IOStandard("LVCMOS12")),
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Subsignal("we_n", Pins("A35"), IOStandard("SSTL12_DCI")),
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Misc("SLEW=FAST")
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),
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("ddram", 3,
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Subsignal("a", Pins(
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"K15 B15 F14 A15 C14 A14 B14 E13",
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"F13 A13 D14 C13 B13 K16"),
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IOStandard("SSTL12_DCI")),
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Subsignal("act_n", Pins("H13"), IOStandard("SSTL12_DCI")),
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Subsignal("ba", Pins("J15 H14"), IOStandard("SSTL12_DCI")),
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Subsignal("bg", Pins("D13 J13"), IOStandard("SSTL12_DCI")),
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Subsignal("cas_n", Pins("E15"), IOStandard("SSTL12_DCI")),
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Subsignal("cke", Pins("K13"), IOStandard("SSTL12_DCI")),
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Subsignal("clk_n", Pins("L13"), IOStandard("DIFF_SSTL12_DCI")),
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Subsignal("clk_p", Pins("L14"), IOStandard("DIFF_SSTL12_DCI")),
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Subsignal("cs_n", Pins("B16"), IOStandard("SSTL12_DCI")),
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Subsignal("dq", Pins(
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"P24 N24 T24 R23 N23 P21 P23 R21",
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"J24 J23 H24 G24 L24 L23 K22 K21",
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"G20 H17 F19 G17 J20 L19 L18 J19",
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"M19 M20 R18 R17 R20 T20 N18 N19",
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"A23 A22 B24 B25 B22 C22 C24 C23",
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"C19 C18 C21 B21 A18 A17 A20 B20",
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"E17 F20 E18 E20 D19 D20 H18 J18",
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"F22 E22 G22 G21 F24 E25 F25 G25"),
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IOStandard("POD12_DCI"),
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Misc("PRE_EMPHASIS=RDRV_240"),
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Misc("EQUALIZATION=EQ_LEVEL2")),
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Subsignal("dqs_n", Pins(
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"R22 N21 H21 L22 K20 K17 P18 M17",
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"A24 D23 B17 A19 F17 G19 E23 H22"),
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IOStandard("DIFF_POD12"),
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Misc("PRE_EMPHASIS=RDRV_240"),
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Misc("EQUALIZATION=EQ_LEVEL2")),
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Subsignal("dqs_p", Pins(
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"T22 N22 J21 M22 L20 K18 P19 N17",
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"A25 D24 C17 B19 F18 H19 F23 H23"),
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IOStandard("DIFF_POD12"),
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Misc("PRE_EMPHASIS=RDRV_240"),
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Misc("EQUALIZATION=EQ_LEVEL2")),
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Subsignal("odt", Pins("C16"), IOStandard("SSTL12_DCI")),
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Subsignal("ras_n", Pins("F15"), IOStandard("SSTL12_DCI")),
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Subsignal("reset_n", Pins("D21"), IOStandard("LVCMOS12")),
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Subsignal("we_n", Pins("D15"), IOStandard("SSTL12_DCI")),
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Misc("SLEW=FAST")
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),
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# I2C
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("i2c_rst_n", 0, Pins("BF19"), IOStandard("LVCMOS12")),
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("i2c", 0,
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Subsignal("scl", Pins("BF20"), IOStandard("LVCMOS12")),
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Subsignal("sda", Pins("BF17"), IOStandard("LVCMOS12")),
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),
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# SI570 Clock
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("user_si570_clock", 0,
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Subsignal("n", Pins("AV19"), IOStandard("DIFF_SSTL12")),
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Subsignal("p", Pins("AU19"), IOStandard("DIFF_SSTL12")),
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),
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("mgt_si570_clock", 0,
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Subsignal("n", Pins("M10")),
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Subsignal("p", Pins("M11")),
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),
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("mgt_si570_clock", 1,
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Subsignal("n", Pins("T10")),
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Subsignal("p", Pins("T11")),
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),
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# PCIe
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("pcie_x16", 0,
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Subsignal("rst_n", Pins("BD21"), IOStandard("LVCMOS12")),
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Subsignal("clk_n", Pins("AM10")),
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Subsignal("clk_p", Pins("AM11")),
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Subsignal("rx_n", Pins(
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"AF1 AG3 AH1 AJ3 AK1 AL3 AM1 AN3",
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"AP1 AR3 AT1 AU3 AV1 AW3 BA1 BC1")),
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Subsignal("rx_p", Pins(
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"AF2 AG4 AH2 AJ4 AK2 AL4 AM2 AN4",
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"AP2 AR4 AT2 AU4 AV2 AW4 BA2 BC2")),
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Subsignal("tx_n", Pins(
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"AF6 AG8 AH6 AJ8 AK6 AL8 AM6 AN8",
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"AP6 AR8 AT6 AU8 AV6 BB4 BD4 BF4")),
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Subsignal("tx_p", Pins(
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"AF7 AG9 AH7 AJ9 AK7 AL9 AM7 AN9",
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"AP7 AR9 AT7 AU9 AV7 BB5 BD5 BF5")),
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),
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# PCIe
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("pcie_x4", 0,
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Subsignal("rst_n", Pins("BD21"), IOStandard("LVCMOS12")),
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Subsignal("clk_n", Pins("AM10")),
|
||
|
|
Subsignal("clk_p", Pins("AM11")),
|
||
|
|
Subsignal("rx_n", Pins("AF1 AG3 AH1 AJ3")),
|
||
|
|
Subsignal("rx_p", Pins("AF2 AG4 AH2 AJ4")),
|
||
|
|
Subsignal("tx_n", Pins("AF6 AG8 AH6 AJ8")),
|
||
|
|
Subsignal("tx_p", Pins("AF7 AG9 AH7 AJ9")),
|
||
|
|
),
|
||
|
|
|
||
|
|
# QSFP28
|
||
|
|
("qsfp28", 0,
|
||
|
|
Subsignal("clk_n", Pins("K10")),
|
||
|
|
Subsignal("clk_p", Pins("K11")),
|
||
|
|
Subsignal("fs0", Pins("AT20"), IOStandard("LVCMOS12")),
|
||
|
|
Subsignal("fs1", Pins("AU22"), IOStandard("LVCMOS12")),
|
||
|
|
Subsignal("intl", Pins("BE21")),
|
||
|
|
Subsignal("lpmode", Pins("BD18")),
|
||
|
|
Subsignal("modprsl", Pins("BE20")),
|
||
|
|
Subsignal("modskll", Pins("BE16")),
|
||
|
|
Subsignal("refclk_reset", Pins("AT22"), IOStandard("LVCMOS12")),
|
||
|
|
Subsignal("resetl", Pins("BE17")),
|
||
|
|
Subsignal("rxn", Pins("N3 M1 L3 K1")),
|
||
|
|
Subsignal("rxp", Pins("N4 M2 L4 K2")),
|
||
|
|
Subsignal("txn", Pins("N8 M6 L8 K6")),
|
||
|
|
Subsignal("txp", Pins("N9 M7 L9 K7")),
|
||
|
|
),
|
||
|
|
("qsfp28", 1,
|
||
|
|
Subsignal("clk_n", Pins("P10")),
|
||
|
|
Subsignal("clk_p", Pins("P11")),
|
||
|
|
Subsignal("fs0", Pins("AR22"), IOStandard("LVCMOS12")),
|
||
|
|
Subsignal("fs1", Pins("AU20"), IOStandard("LVCMOS12")),
|
||
|
|
Subsignal("intl", Pins("AV21")),
|
||
|
|
Subsignal("lpmode", Pins("AV22")),
|
||
|
|
Subsignal("modprsl", Pins("BC19")),
|
||
|
|
Subsignal("modskll", Pins("AY20")),
|
||
|
|
Subsignal("refclk_reset", Pins("AR21"), IOStandard("LVCMOS12")),
|
||
|
|
Subsignal("resetl", Pins("BC18")),
|
||
|
|
Subsignal("rxn", Pins("U3 T1 R3 P1")),
|
||
|
|
Subsignal("rxp", Pins("U4 T2 R4 P2")),
|
||
|
|
Subsignal("txn", Pins("U8 T6 R8 P6")),
|
||
|
|
Subsignal("txp", Pins("U9 T7 R9 P7")),
|
||
|
|
),
|
||
|
|
]
|
||
|
|
|
||
|
|
# Connectors ---------------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
_connectors = []
|
||
|
|
|
||
|
|
# Platform -----------------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class Platform(Xilinx7SeriesPlatform):
|
||
|
|
default_clk_name = "clk300"
|
||
|
|
default_clk_period = 1e9/300e6
|
||
|
|
|
||
|
|
def __init__(self, toolchain="vivado"):
|
||
|
|
Xilinx7SeriesPlatform.__init__(self, "xcu200-fsgd2104-2-e", _io, _connectors, toolchain=toolchain)
|
||
|
|
|
||
|
|
def create_programmer(self):
|
||
|
|
return VivadoProgrammer()
|
||
|
|
|
||
|
|
def do_finalize(self, fragment):
|
||
|
|
Xilinx7SeriesPlatform.do_finalize(self, fragment)
|
||
|
|
self.add_period_constraint(self.lookup_request("clk300", 0, loose=True), 1e9/300e6)
|
||
|
|
self.add_period_constraint(self.lookup_request("clk300", 1, loose=True), 1e9/300e6)
|
||
|
|
self.add_period_constraint(self.lookup_request("clk300", 2, loose=True), 1e9/300e6)
|
||
|
|
self.add_period_constraint(self.lookup_request("clk300", 3, loose=True), 1e9/300e6)
|
||
|
|
# For passively cooled boards, overheating is a significant risk if airflow isn't sufficient
|
||
|
|
self.add_platform_command("set_property BITSTREAM.CONFIG.OVERTEMPSHUTDOWN ENABLE [current_design]")
|
||
|
|
# Reduce programming time
|
||
|
|
self.add_platform_command("set_property BITSTREAM.GENERAL.COMPRESS TRUE [current_design]")
|
||
|
|
# DDR4 memory channel C1 Internal Vref
|
||
|
|
self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 61]")
|
||
|
|
self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 62]")
|
||
|
|
self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 63]")
|
||
|
|
# DDR4 memory channel C2 Internal Vref
|
||
|
|
self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 65]")
|
||
|
|
self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 66]")
|
||
|
|
self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 67]")
|
||
|
|
# DDR4 memory channel C3 Internal Vref
|
||
|
|
self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 69]")
|
||
|
|
self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 70]")
|
||
|
|
self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 71]")
|
||
|
|
# DDR4 memory channel C4 Internal Vref
|
||
|
|
self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 72]")
|
||
|
|
self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 73]")
|
||
|
|
self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 74]")
|