298 lines
11 KiB
Python
298 lines
11 KiB
Python
#
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# This file is part of LiteX-Boards.
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#
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# Copyright (c) 2014-2019 Hans Baier <hansfbaier@gmail.com>
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# SPDX-License-Identifier: BSD-2-Clause
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from litex.build.generic_platform import *
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from litex.build.altera import AlteraPlatform
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from litex.build.altera.programmer import USBBlaster
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# IOs ----------------------------------------------------------------------------------------------
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_io = [
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# power button
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("pwr_but", 0, Pins("P9:9"), IOStandard("3.3-V LVTTL")),
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# system reset
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("sys_reset_n", 0, Pins("P9:10"), IOStandard("3.3-V LVTTL")),
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# Clk
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("adc_clk_10", 0, Pins("M9"), IOStandard("2.5 V")),
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("clk1_50", 0, Pins("M8"), IOStandard("2.5 V")),
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("clk2_50", 0, Pins("P11"), IOStandard("3.3-V LVTTL")),
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# Leds
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("user_led", 0, Pins("C7"), IOStandard("1.2 V")),
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("user_led", 1, Pins("C8"), IOStandard("1.2 V")),
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("user_led", 2, Pins("A6"), IOStandard("1.2 V")),
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("user_led", 3, Pins("B7"), IOStandard("1.2 V")),
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("user_led", 4, Pins("C4"), IOStandard("1.2 V")),
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("user_led", 5, Pins("A5"), IOStandard("1.2 V")),
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("user_led", 6, Pins("B4"), IOStandard("1.2 V")),
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("user_led", 7, Pins("C5"), IOStandard("1.2 V")),
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# Button
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("key", 0, Pins("H21"), IOStandard("1.5 V SCHMITT TRIGGER")),
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("key", 1, Pins("H22"), IOStandard("1.5 V SCHMITT TRIGGER")),
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# Switches
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("sw", 0, Pins("J21"), IOStandard("1.5 V SCHMITT TRIGGER")),
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("sw", 1, Pins("J22"), IOStandard("1.5 V SCHMITT TRIGGER")),
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# I2C: CapSense Buttons
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("cap_sense_i2c", 0,
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Subsignal("sclk", Pins("AB2")),
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Subsignal("sdat", Pins("AB3")),
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IOStandard("3.3-V LVTTL")
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),
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# board temperature sensor
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("temp", 0,
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Subsignal("cs_n", Pins("PIN_AB4")),
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Subsignal("sc", Pins("PIN_AA1")),
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Subsignal("sio", Pins("PIN_Y2")),
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IOStandard("3.3-V LVTTL")
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),
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# power monitor I2C
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("pmonitor", 0,
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Subsignal("alert", Pins("Y4")),
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Subsignal("scl", Pins("Y3")),
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Subsignal("sda", Pins("Y1")),
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IOStandard("3.3-V LVTTL")
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),
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# temperature and humidity sensor I2C
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("rh_temp", 0,
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Subsignal("drdy_n", Pins("AB9")),
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Subsignal("scl", Pins("Y10")),
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Subsignal("sda", Pins("AA10")),
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IOStandard("3.3-V LVTTL")
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),
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# proximity / ambient light sensor
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("proximity_i2c", 0,
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Subsignal("scl", Pins("Y8")),
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Subsignal("sda", Pins("AA8")),
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Subsignal("int", Pins("AA9")),
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IOStandard("3.3-V LVTTL")
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),
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# Accelerometer
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("gsensor", 0,
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Subsignal("sdi", Pins("C6")),
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Subsignal("sdo", Pins("D5")),
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Subsignal("cs_n", Pins("E9")),
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Subsignal("sclk", Pins("B5")),
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Subsignal("int1", Pins("E8")),
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Subsignal("int2", Pins("D7")),
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IOStandard("1.2 V")
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),
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# DDR3 SDRAM
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("ddram", 0,
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Subsignal("a", Pins(
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"E21 V20 V21 C20 Y21 J14 V18 U20",
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"Y20 W22 C22 Y22 N18 V22 W20"),
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IOStandard("SSTL-15 CLASS I"),
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),
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Subsignal("ba", Pins("D19 W19 F19"), IOStandard("SSTL-15 CLASS I")),
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Subsignal("ras_n", Pins("D22"), IOStandard("SSTL-15 CLASS I")),
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Subsignal("cas_n", Pins("E20"), IOStandard("SSTL-15 CLASS I")),
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Subsignal("we_n", Pins("E22"), IOStandard("SSTL-15 CLASS I")),
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Subsignal("dm", Pins("N19 J15"),
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IOStandard("SSTL-15 CLASS I"),
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Misc("OUTPUT_TERMINATION=SERIES 50 OHM WITH CALIBRATION")
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),
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Subsignal("dq", Pins(
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"L20 L19 L18 M15 M18 M14 M20 N20",
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"K19 K18 J18 K20 H18 J20 H20 H19"),
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IOStandard("SSTL-15 CLASS I"),
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Misc("INPUT_TERMINATION=PARALLEL 50 OHM WITH CALIBRATION"),
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Misc("OUTPUT_TERMINATION=SERIES 50 OHM WITH CALIBRATION"),
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),
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Subsignal("dqs_p", Pins("L14 K14"),
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IOStandard("DIFFERENTIAL 1.5-V SSTL CLASS I"),
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Misc("INPUT_TERMINATION=PARALLEL 50 OHM WITH CALIBRATION"),
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Misc("OUTPUT_TERMINATION=SERIES 50 OHM WITH CALIBRATION")
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),
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Subsignal("dqs_n", Pins("L15 K15"),
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IOStandard("DIFFERENTIAL 1.5-V SSTL CLASS I"),
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Misc("INPUT_TERMINATION=PARALLEL 50 OHM WITH CALIBRATION"),
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Misc("OUTPUT_TERMINATION=SERIES 50 OHM WITH CALIBRATION")
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),
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Subsignal("clk_p", Pins("D18"),
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IOStandard("DIFFERENTIAL 1.5-V SSTL CLASS I"),
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Misc("OUTPUT_TERMINATION=SERIES 50 OHM WITH CALIBRATION"),
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Misc("D5_DELAY=2")
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),
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Subsignal("clk_n", Pins("E18"),
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IOStandard("DIFFERENTIAL 1.5-V SSTL CLASS I"),
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Misc("OUTPUT_TERMINATION=SERIES 50 OHM WITH CALIBRATION"),
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Misc("D5_DELAY=2")
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),
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Subsignal("cs_n", Pins("F22"), IOStandard("SSTL-15 CLASS I")),
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Subsignal("cke", Pins("B22"), IOStandard("SSTL-15 CLASS I")),
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Subsignal("odt", Pins("G22"), IOStandard("SSTL-15 CLASS I")),
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Subsignal("reset_n", Pins("U19"), IOStandard("SSTL-15 CLASS I")),
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Misc("CURRENT_STRENGTH_NEW=MAXIMUM CURRENT")
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),
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# Audio
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("audio", 0,
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Subsignal("bclk", Pins("R14")),
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Subsignal("reset_n", Pins("M21")),
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Subsignal("din_mfp1", Pins("P15")),
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Subsignal("dout_mfp2", Pins("P18")),
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Subsignal("gpio_mfp5", Pins("M22")),
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Subsignal("mclk", Pins("P14")),
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Subsignal("miso_mfp4", Pins("N21")),
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Subsignal("sclk_mfp3", Pins("P19")),
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Subsignal("scl_ss_n", Pins("P20")),
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Subsignal("sda_mosi", Pins("P21")),
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Subsignal("spi_select", Pins("N22")),
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Subsignal("wclk", Pins("R15")),
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IOStandard("1.5 V")
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),
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# USB ULPI
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("ulpi", 0,
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Subsignal("fault_n", Pins("D8"), IOStandard("1.2 V")),
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Subsignal("clk", Pins("H11"), IOStandard("1.2 V")),
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Subsignal("stp", Pins("J12")),
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Subsignal("dir", Pins("J13")),
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Subsignal("nxt", Pins("H12")),
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Subsignal("reset_n", Pins("E16")),
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Subsignal("data", Pins("E12 E13 H13 E14 H14 D15 E15 F15")),
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IOStandard("1.8 V")
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),
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("sdcard", 0,
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Subsignal("sel", Pins("P13"), IOStandard("3.3-V LVTTL")),
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Subsignal("fb_clk", Pins("R22")),
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Subsignal("clk", Pins("T20")),
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Subsignal("cmd", Pins("T21")),
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Subsignal("data", Pins("R18 T18 T19 R20")),
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IOStandard("1.5 V")
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),
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# MII Ethernet
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("eth_clocks", 0,
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Subsignal("tx", Pins("T5")),
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Subsignal("rx", Pins("T6")),
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IOStandard("2.5 V"),
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),
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("eth", 0,
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Subsignal("rst_n", Pins("R3")),
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Subsignal("mdio", Pins("N8")),
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Subsignal("mdc", Pins("R5")),
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Subsignal("rx_dv", Pins("P4")),
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Subsignal("rx_er", Pins("V1")),
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Subsignal("rx_data", Pins("U5 U4 R7 P8")),
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Subsignal("tx_en", Pins("P3")),
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Subsignal("tx_data", Pins("U2 W1 N9 W2")),
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Subsignal("col", Pins("R4")),
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Subsignal("crs", Pins("P5")),
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Subsignal("pcf_en", Pins("V9"), IOStandard("3.3 V")),
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IOStandard("2.5 V"),
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),
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# HDMI
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("hdmi", 0,
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Subsignal("r", Pins("C18 D17 C17 C19 D14 B19 D13 A19")),
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Subsignal("g", Pins("C14 A17 B16 C15 A14 A15 A12 A16")),
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Subsignal("b", Pins("A13 C16 C12 B17 B12 B14 A18 C13")),
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Subsignal("clk", Pins("A20")),
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Subsignal("de", Pins("C9")),
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Subsignal("hsync", Pins("B11")),
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Subsignal("vsync", Pins("C11")),
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Subsignal("int", Pins("B10")),
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Misc("FAST_OUTPUT_REGISTER ON"),
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IOStandard("1.8 V")
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),
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("hdmi_i2c", 0,
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Subsignal("scl", Pins("C10")),
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Subsignal("sda", Pins("B15")),
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IOStandard("1.8 V")
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),
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("hdmi_i2s", 0,
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Subsignal("i2s", Pins("A9 A11 A8 B8")),
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Subsignal("mclk", Pins("A7")),
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Subsignal("lrclk", Pins("A10")),
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Subsignal("sclk", Pins("D12")),
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IOStandard("3.3-V LVTTL")
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),
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# MIPI
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("camera", 0,
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Subsignal("mclk", Pins("U3")),
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Subsignal("clkp", Pins("N5")),
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Subsignal("clkn", Pins("N4")),
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Subsignal("dp", Pins("R2 N1 T2 N2")),
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Subsignal("dn", Pins("R1 P1 T1 N3")),
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Subsignal("reset_n", Pins("T3")),
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Subsignal("wp", Pins("U1")),
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Subsignal("core_en", Pins("V3")),
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IOStandard("2.5 V"),
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),
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# LP-MIPI
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("camera", 1,
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Subsignal("mclk", Pins("U3"), IOStandard("2.5 V")),
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Subsignal("clkp", Pins("E11")),
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Subsignal("clkn", Pins("E10")),
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Subsignal("dp", Pins("A4 C3 B1 B3")),
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Subsignal("dn", Pins("A3 C2 B2 A2")),
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IOStandard("1.2 V"),
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),
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("mipi_i2c", 0,
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Subsignal("scl", Pins("M1")),
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Subsignal("sda", Pins("M2")),
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IOStandard("2.5 V")
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),
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("gpio", 0, Pins("P8:3 P8:4 P8:5 P8:6 P8:7 P8:8 P8:9 P8:10",
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"P8:11 P8:12 P8:13 P8:14 P8:15 P8:16 P8:17 P8:18",
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"P8:19 P8:20 P8:21 P8:22 P8:23 P8:24 P8:25 P8:26",
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"P8:27 P8:28 P8:29 P8:30 P8:31 P8:32 P8:33 P8:34",
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"P8:35 P8:36 P8:37 P8:38 P8:39 P8:40 P8:41 P8:42",
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"P8:43 P8:44 P8:45 P8:46"),
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IOStandard("3.3-V LVTTL")
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),
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("gpio", 1, Pins("P9:11 P9:12 P9:13 P9:14 P9:15 P9:16 P9:17 P9:18",
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"P9:19 P9:20 P9:21 P9:22 P9:23 P9:24 P9:25 P9:26",
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"P9:27 P9:28 P9:29 P9:30 P9:31 P9:41 P9:42"),
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IOStandard("3.3-V LVTTL")
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),
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]
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# Connectors ---------------------------------------------------------------------------------------
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_connectors = [
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# Beagle bone black headers (numbering 1-based, Pin 0 is dummy)
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# PIN 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46
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("P8", "- - - W18 Y18 Y19 AA17 AA20 AA19 AB21 AB20 AB19 Y16 V16 AB18 V15 W17 AB17 AA16 AB16 W16 AB15 W15 Y14 AA15 AB14 AA14 AB13 AA13 AB12 AA12 AB11 AA11 AB10 Y13 Y11 W13 W12 W11 V12 V11 V13 V14 Y17 W14 U15 R13"),
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("P9", "- - - - - - - - - U6 AA2 Y5 Y6 W6 W7 W8 V8 AB8 V7 R11 AB7 AB6 AA7 AA6 Y7 V10 U7 W9 W5 R9 W4 P9 - K4 - J4 H3 J8 J9 F5 F4 V17 W3 - - - -")
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]
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# Platform -----------------------------------------------------------------------------------------
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class Platform(AlteraPlatform):
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default_clk_name = "clk1_50"
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default_clk_period = 1e9/50e6
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create_rbf = False
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def __init__(self):
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AlteraPlatform.__init__(self, "10M50DAF484C6GES", _io, _connectors)
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# disable config pin so bank8 can use 1.2V
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self.add_platform_command("set_global_assignment -name AUTO_RESTART_CONFIGURATION ON")
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self.add_platform_command("set_global_assignment -name ENABLE_CONFIGURATION_PINS OFF")
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self.add_platform_command("set_global_assignment -name ENABLE_BOOT_SEL_PIN OFF")
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self.add_platform_command("set_global_assignment -name INTERNAL_FLASH_UPDATE_MODE \"SINGLE IMAGE WITH ERAM\"")
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def create_programmer(self):
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return USBBlaster()
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def do_finalize(self, fragment):
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AlteraPlatform.do_finalize(self, fragment)
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self.add_period_constraint(self.lookup_request("clk1_50", loose=True), 1e9/50e6)
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