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litex-boards/litex_boards/platforms/xilinx_zcu102.py

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add xilinx_zcu102 platform
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#
# This file is part of LiteX-Boards.
#
# Copyright (c) 2022 FAYE Joseph <joseph-wagane.faye@insa-rennes.fr>
platforms/xilinx_zcu102: Add pin definitions for DDR4 SDRAM and FMC connectors.
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# Copyright (c) 2023 Ryohei Niwase <niwase@lila.cs.tsukuba.ac.jp>
add xilinx_zcu102 platform
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# SPDX-License-Identifier: BSD-2-Clause
from litex.build.generic_platform import *
platforms: Switch US/USP platforms to XilinxUS/USPPlatform. We were still using Xilinx7SeriesPlatform.
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from litex.build.xilinx import XilinxUSPPlatform, VivadoProgrammer
add xilinx_zcu102 platform
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xilinx_zcu102: Review/Cleanup for consistency with others boards. Also remove INTERNAL_VREF constraints that are not yet useful (required for DRAM).
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# IOs ----------------------------------------------------------------------------------------------
add xilinx_zcu102 platform
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_io = [
# Clk / Rst
("clk125", 0,
Resolve High Density bank IOStandard error This resolves the following error during `build` on Vivado 2023.1: ```ERROR: [DRC BIVB-1] Bank IO standard Support: Bank 47 has incompatible IO(s) because: The LVDS I/O standard is not supported for banks of type High Density. Move the following ports or change their properties: clk125_p```
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Subsignal("p", Pins("G21"), IOStandard("LVDS_25")),
Subsignal("n", Pins("F21"), IOStandard("LVDS_25")),
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),
("clk300", 0,
Subsignal("p", Pins("AL8"), IOStandard("DIFF_SSTL12_DCI")),
Subsignal("n", Pins("AL7"), IOStandard("DIFF_SSTL12_DCI")),
),
("cpu_reset", 0, Pins("AM13"), IOStandard("LVCMOS33")),
# Leds
("user_led", 0, Pins("AG14"), IOStandard("LVCMOS33")),
("user_led", 1, Pins("AF13"), IOStandard("LVCMOS33")),
("user_led", 2, Pins("AE13"), IOStandard("LVCMOS33")),
("user_led", 3, Pins("AJ14"), IOStandard("LVCMOS33")),
("user_led", 4, Pins("AJ15"), IOStandard("LVCMOS33")),
xilinx_zcu102: Review/Cleanup for consistency with others boards. Also remove INTERNAL_VREF constraints that are not yet useful (required for DRAM).
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("user_led", 5, Pins("AH13"), IOStandard("LVCMOS33")),
("user_led", 6, Pins("AH14"), IOStandard("LVCMOS33")),
("user_led", 7, Pins("AL12"), IOStandard("LVCMOS33")),
add xilinx_zcu102 platform
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# Buttons
("user_btn", 0, Pins("AG15"), IOStandard("LVCMOS33")),
("user_btn", 1, Pins("AE14"), IOStandard("LVCMOS33")),
("user_btn", 2, Pins("AF15"), IOStandard("LVCMOS33")),
("user_btn", 3, Pins("AE15"), IOStandard("LVCMOS33")),
("user_btn", 3, Pins("AG13"), IOStandard("LVCMOS33")),
# Switches
("user_dip", 0, Pins("AN14"), IOStandard("LVCMOS33")),
("user_dip", 1, Pins("AP14"), IOStandard("LVCMOS33")),
("user_dip", 2, Pins("AM14"), IOStandard("LVCMOS33")),
("user_dip", 3, Pins("AN13"), IOStandard("LVCMOS33")),
("user_dip", 4, Pins("AN12"), IOStandard("LVCMOS33")),
("user_dip", 5, Pins("AP12"), IOStandard("LVCMOS33")),
("user_dip", 6, Pins("AL13"), IOStandard("LVCMOS33")),
("user_dip", 7, Pins("AK13"), IOStandard("LVCMOS33")),
# Serial
("serial", 0,
Subsignal("cts", Pins("E12")),
Subsignal("rts", Pins("D12")),
update to match zcu102 constraint spec
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Subsignal("rx", Pins("E13")),
Subsignal("tx", Pins("F13")),
IOStandard("LVCMOS33")
add xilinx_zcu102 platform
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),
# I2C
("i2c", 0,
Subsignal("sda", Pins("J11")),
Subsignal("scl", Pins("J10")),
IOStandard("LVCMOS33")
),
platforms/xilinx_zcu102: Add pin definitions for DDR4 SDRAM and FMC connectors.
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# DDR4 SDRAM
("ddram", 0,
Subsignal("a", Pins(
"AM8 AM9 AP8 AN8 AK10 AJ10 AP9 AN9",
"AP10 AP11 AM10 AL10 AM11 AL11"),
IOStandard("SSTL12_DCI")),
Subsignal("ba", Pins("AK12 AJ12"), IOStandard("SSTL12_DCI")),
Subsignal("bg", Pins("AK7"), IOStandard("SSTL12_DCI")),
Subsignal("ras_n", Pins("AJ9"), IOStandard("SSTL12_DCI")), # A16
Subsignal("cas_n", Pins("AL5"), IOStandard("SSTL12_DCI")), # A15
Subsignal("we_n", Pins("AJ7"), IOStandard("SSTL12_DCI")), # A14
Subsignal("cs_n", Pins("AP2"), IOStandard("SSTL12_DCI")),
Subsignal("act_n", Pins("AK8"), IOStandard("SSTL12_DCI")),
#Subsignal("par", Pins("AP1"), IOStandard("SSTL12_DCI")),
Subsignal("dm", Pins("AL6 AN2"),
IOStandard("POD12_DCI")),
Subsignal("dq", Pins(
"AK4 AK5 AN4 AM4 AP4 AP5 AM5 AM6",
"AK2 AK3 AL1 AK1 AN1 AM1 AP3 AN3"),
IOStandard("POD12_DCI"),
Misc("PRE_EMPHASIS=RDRV_240"),
Misc("EQUALIZATION=EQ_LEVEL2")),
Subsignal("dqs_p", Pins("AN6 AL3"),
IOStandard("DIFF_POD12"),
Misc("PRE_EMPHASIS=RDRV_240"),
Misc("EQUALIZATION=EQ_LEVEL2")),
Subsignal("dqs_n", Pins("AP6 AL2"),
IOStandard("DIFF_POD12"),
Misc("PRE_EMPHASIS=RDRV_240"),
Misc("EQUALIZATION=EQ_LEVEL2")),
Subsignal("clk_p", Pins("AN7"), IOStandard("DIFF_SSTL12")),
Subsignal("clk_n", Pins("AP7"), IOStandard("DIFF_SSTL12")),
Subsignal("cke", Pins("AM3"), IOStandard("SSTL12_DCI")),
Subsignal("odt", Pins("AK9"), IOStandard("SSTL12_DCI")),
Subsignal("reset_n", Pins("AH9"), IOStandard("LVCMOS18")),
Misc("SLEW=FAST"),
),
]
# Connectors ---------------------------------------------------------------------------------------
_connectors = [
("FMC_HPC0", {
"CLK0_M2C_N" : "AA6",
"CLK0_M2C_P" : "AA7",
"CLK1_M2C_N" : "R8",
"CLK1_M2C_P" : "T8",
"DP0_C2M_N" : "G3",
"DP0_C2M_P" : "G4",
"DP0_M2C_N" : "H1",
"DP0_M2C_P" : "H2",
"DP1_C2M_N" : "H5",
"DP1_C2M_P" : "H6",
"DP1_M2C_N" : "J3",
"DP1_M2C_P" : "J4",
"DP2_C2M_N" : "F5",
"DP2_C2M_P" : "F6",
"DP2_M2C_N" : "F1",
"DP2_M2C_P" : "F2",
"DP3_C2M_N" : "K5",
"DP3_C2M_P" : "K6",
"DP3_M2C_N" : "K1",
"DP3_M2C_P" : "K2",
"DP4_C2M_N" : "M5",
"DP4_C2M_P" : "M6",
"DP4_M2C_N" : "L3",
"DP4_M2C_P" : "L4",
"DP5_C2M_N" : "P5",
"DP5_C2M_P" : "P6",
"DP5_M2C_N" : "P1",
"DP5_M2C_P" : "P2",
"DP6_C2M_N" : "R3",
"DP6_C2M_P" : "R4",
"DP6_M2C_N" : "T1",
"DP6_M2C_P" : "T2",
"DP7_C2M_N" : "N3",
"DP7_C2M_P" : "N4",
"DP7_M2C_N" : "M1",
"DP7_M2C_P" : "M2",
"GBTCLK0_M2C_C_N" : "G7",
"GBTCLK0_M2C_C_P" : "G8",
"GBTCLK1_M2C_C_N" : "L7",
"GBTCLK1_M2C_C_P" : "L8",
"LA00_CC_N" : "Y3",
"LA00_CC_P" : "Y4",
"LA01_CC_N" : "AC4",
"LA01_CC_P" : "AB4",
"LA02_N" : "V1",
"LA02_P" : "V2",
"LA03_N" : "Y1",
"LA03_P" : "Y2",
"LA04_N" : "AA",
"LA04_P" : "AA",
"LA05_N" : "AC",
"LA05_P" : "AB",
"LA06_N" : "AC",
"LA06_P" : "AC",
"LA07_N" : "U4",
"LA07_P" : "U5",
"LA08_N" : "V3",
"LA08_P" : "V4",
"LA09_N" : "W1",
"LA09_P" : "W2",
"LA10_N" : "W4",
"LA10_P" : "W5",
"LA11_N" : "AB5",
"LA11_P" : "AB6",
"LA12_N" : "W6",
"LA12_P" : "W7",
"LA13_N" : "AC8",
"LA13_P" : "AB8",
"LA14_N" : "AC6",
"LA14_P" : "AC7",
"LA15_N" : "Y9",
"LA15_P" : "Y1",
"LA16_N" : "AA",
"LA16_P" : "Y1",
"LA17_CC_N" : "N11",
"LA17_CC_P" : "P11",
"LA18_CC_N" : "N8",
"LA18_CC_P" : "N9",
"LA19_N" : "K13",
"LA19_P" : "L13",
"LA20_N" : "M13",
"LA20_P" : "N13",
"LA21_N" : "N12",
"LA21_P" : "P12",
"LA22_N" : "M14",
"LA22_P" : "M15",
"LA23_N" : "K16",
"LA23_P" : "L16",
"LA24_N" : "K12",
"LA24_P" : "L12",
"LA25_N" : "L11",
"LA25_P" : "M11",
"LA26_N" : "K15",
"LA26_P" : "L15",
"LA27_N" : "L10",
"LA27_P" : "M10",
"LA28_N" : "T6",
"LA28_P" : "T7",
"LA29_N" : "U8",
"LA29_P" : "U9",
"LA30_N" : "U6",
"LA30_P" : "V6",
"LA31_N" : "V7",
"LA31_P" : "V8",
"LA32_N" : "T11",
"LA32_P" : "U11",
"LA33_N" : "V11",
"LA33_P" : "V12",
}),
("FMC_HPC1", {
"CLK0_M2C_N" : "AF7",
"CLK0_M2C_P" : "AE7",
"CLK1_M2C_N" : "P9",
"CLK1_M2C_P" : "P10",
"DP0_C2M_N" : "F30",
"DP0_C2M_P" : "F29",
"DP0_M2C_N" : "E32",
"DP0_M2C_P" : "E31",
"DP1_C2M_N" : "D30",
"DP1_C2M_P" : "D29",
"DP1_M2C_N" : "D34",
"DP1_M2C_P" : "D33",
"DP2_C2M_N" : "B30",
"DP2_C2M_P" : "B29",
"DP2_M2C_N" : "C32",
"DP2_M2C_P" : "C31",
"DP3_C2M_N" : "A32",
"DP3_C2M_P" : "A31",
"DP3_M2C_N" : "B34",
"DP3_M2C_P" : "B33",
"DP4_C2M_N" : "K30",
"DP4_C2M_P" : "K29",
"DP4_M2C_N" : "L32",
"DP4_M2C_P" : "L31",
"DP5_C2M_N" : "J32",
"DP5_C2M_P" : "J31",
"DP5_M2C_N" : "K34",
"DP5_M2C_P" : "K33",
"DP6_C2M_N" : "H30",
"DP6_C2M_P" : "H29",
"DP6_M2C_N" : "H34",
"DP6_M2C_P" : "H33",
"DP7_C2M_N" : "G32",
"DP7_C2M_P" : "G31",
"DP7_M2C_N" : "F34",
"DP7_M2C_P" : "F33",
"GBTCLK0_M2C_C_N" : "G28",
"GBTCLK0_M2C_C_P" : "G27",
"GBTCLK1_M2C_C_N" : "E28",
"GBTCLK1_M2C_C_P" : "E27",
"LA00_CC_N" : "AF5",
"LA00_CC_P" : "AE5",
"LA01_CC_N" : "AJ5",
"LA01_CC_P" : "AJ6",
"LA02_N" : "AD1",
"LA02_P" : "AD2",
"LA03_N" : "AJ1",
"LA03_P" : "AH1",
"LA04_N" : "AF1",
"LA04_P" : "AF2",
"LA05_N" : "AH3",
"LA05_P" : "AG3",
"LA06_N" : "AJ2",
"LA06_P" : "AH2",
"LA07_N" : "AE4",
"LA07_P" : "AD4",
"LA08_N" : "AF3",
"LA08_P" : "AE3",
"LA09_N" : "AE1",
"LA09_P" : "AE2",
"LA10_N" : "AJ4",
"LA10_P" : "AH4",
"LA11_N" : "AF8",
"LA11_P" : "AE8",
"LA12_N" : "AD6",
"LA12_P" : "AD7",
"LA13_N" : "AH8",
"LA13_P" : "AG8",
"LA14_N" : "AH6",
"LA14_P" : "AH7",
"LA15_N" : "AE9",
"LA15_P" : "AD10",
"LA16_N" : "AG9",
"LA16_P" : "AG10",
"LA17_CC_N" : "AA5",
"LA17_CC_P" : "Y5",
"LA18_CC_N" : "Y7",
"LA18_CC_P" : "Y8",
"LA19_N" : "AA10",
"LA19_P" : "AA11",
"LA20_N" : "AB10",
"LA20_P" : "AB11",
"LA21_N" : "AC11",
"LA21_P" : "AC12",
"LA22_N" : "AG11",
"LA22_P" : "AF11",
"LA23_N" : "AF12",
"LA23_P" : "AE12",
"LA24_N" : "AH11",
"LA24_P" : "AH12",
"LA25_N" : "AF10",
"LA25_P" : "AE10",
"LA26_N" : "R12",
"LA26_P" : "T12",
"LA27_N" : "T10",
"LA27_P" : "U10",
"LA28_N" : "R13",
"LA28_P" : "T13",
"LA29_N" : "W11",
"LA29_P" : "W12",
}),
add xilinx_zcu102 platform
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]
# Platform -----------------------------------------------------------------------------------------
platforms: Switch US/USP platforms to XilinxUS/USPPlatform. We were still using Xilinx7SeriesPlatform.
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class Platform(XilinxUSPPlatform):
add xilinx_zcu102 platform
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default_clk_name = "clk125"
default_clk_period = 1e9/125e6
def __init__(self, toolchain="vivado"):
platforms/xilinx_zcu102: Add pin definitions for DDR4 SDRAM and FMC connectors.
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XilinxUSPPlatform.__init__(self, "xczu9eg-ffvb1156-2-i", _io, _connectors, toolchain=toolchain)
add xilinx_zcu102 platform
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def create_programmer(self):
return VivadoProgrammer()
def do_finalize(self, fragment):
platforms: Switch US/USP platforms to XilinxUS/USPPlatform. We were still using Xilinx7SeriesPlatform.
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XilinxUSPPlatform.do_finalize(self, fragment)
add xilinx_zcu102 platform
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self.add_period_constraint(self.lookup_request("clk125", loose=True), 1e9/125e6)
self.add_period_constraint(self.lookup_request("clk300", loose=True), 1e9/300e6)
platforms/xilinx_zcu102: Add pin definitions for DDR4 SDRAM and FMC connectors.
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self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 64]")
self.add_platform_command("set_property INTERNAL_VREF 0.84 [get_iobanks 65]")