artiq/artiq/gateware/ad9154_fmc_ebz.py

75 lines
2.6 KiB
Python

from migen.build.generic_platform import *
ad9154_fmc_ebz = [
("ad9154_spi", 0,
# AD9154 should give control of SPI to FMC when USB cable is unplugged,
# It's the case, but the PIC18F24J50 is introducing noise on SPI SCK
# (???) To workaround that, add 2 jumpers:
# - on XP1, between pin 5 and 6 (will keep the PIC in reset)
# - on JP3 (will force output enable on FXLA108)
Subsignal("clk", Pins("HPC:LA03_P")),
Subsignal("cs_n", Pins("HPC:LA04_N", "HPC:LA05_P")),
Subsignal("mosi", Pins("HPC:LA03_N")),
Subsignal("miso", Pins("HPC:LA04_P")),
Subsignal("en", Pins("HPC:LA05_N")),
IOStandard("LVCMOS25"),
),
("ad9154_txen", 0, Pins("HPC:LA07_P"), IOStandard("LVCMOS25")),
("ad9154_txen", 1, Pins("HPC:LA07_N"), IOStandard("LVCMOS25")),
("ad9154_refclk", 0,
Subsignal("p", Pins("HPC:GBTCLK0_M2C_P")),
Subsignal("n", Pins("HPC:GBTCLK0_M2C_N")),
),
("ad9154_sysref", 0,
Subsignal("p", Pins("HPC:LA00_CC_P")),
Subsignal("n", Pins("HPC:LA00_CC_N")),
IOStandard("LVDS_25"),
Misc("DIFF_TERM=TRUE"),
),
("ad9154_sync", 0,
Subsignal("p", Pins("HPC:LA01_CC_P")),
Subsignal("n", Pins("HPC:LA01_CC_N")),
IOStandard("LVDS_25"),
Misc("DIFF_TERM=TRUE"),
),
("ad9154_sync", 1,
Subsignal("p", Pins("HPC:LA02_P")),
Subsignal("n", Pins("HPC:LA02_N")),
IOStandard("LVDS_25"),
Misc("DIFF_TERM=TRUE"),
),
("ad9154_jesd", 0, # AD9154's SERDIN7
Subsignal("txp", Pins("HPC:DP0_C2M_P")),
Subsignal("txn", Pins("HPC:DP0_C2M_N"))
),
("ad9154_jesd", 1, # AD9154's SERDIN6
Subsignal("txp", Pins("HPC:DP1_C2M_P")),
Subsignal("txn", Pins("HPC:DP1_C2M_N"))
),
("ad9154_jesd", 2, # AD9154's SERDIN5
Subsignal("txp", Pins("HPC:DP2_C2M_P")),
Subsignal("txn", Pins("HPC:DP2_C2M_N"))
),
("ad9154_jesd", 3, # AD9154's SERDIN4
Subsignal("txp", Pins("HPC:DP3_C2M_P")),
Subsignal("txn", Pins("HPC:DP3_C2M_N"))
),
("ad9154_jesd", 4, # AD9154's SERDIN2
Subsignal("txp", Pins("HPC:DP4_C2M_P")),
Subsignal("txn", Pins("HPC:DP4_C2M_N"))
),
("ad9154_jesd", 5, # AD9154's SERDIN0
Subsignal("txp", Pins("HPC:DP5_C2M_P")),
Subsignal("txn", Pins("HPC:DP5_C2M_N"))
),
("ad9154_jesd", 6, # AD9154's SERDIN1
Subsignal("txp", Pins("HPC:DP6_C2M_P")),
Subsignal("txn", Pins("HPC:DP6_C2M_N"))
),
("ad9154_jesd", 7, # AD9154's SERDIN3
Subsignal("txp", Pins("HPC:DP7_C2M_P")),
Subsignal("txn", Pins("HPC:DP7_C2M_N"))
),
]