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Add Misc 

Add Misc("") arguments to various inputs/outputs for stability. Allows de10nano to use HalfRateGENSDRPHY for sdram
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rob-ng15 2020-07-23 14:40:04 +01:00 committed by GitHub
parent e723bef49a
commit cf9839307f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 29 additions and 17 deletions
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46
litex_boards/platforms/de10nano.py
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@ -30,13 +30,15 @@ _io = [
("user_sw", 3, Pins("W20"), IOStandard("3.3-V LVTTL")),
("serial", 0,
Subsignal("tx", Pins("AH9"), IOStandard("3.3-V LVTTL")), # User I/O port on Mister
Subsignal("rx", Pins("AG11"), IOStandard("3.3-V LVTTL")) # User I/O port on Mister
Subsignal("tx", Pins("AH9")), # User I/O port on Mister
Subsignal("rx", Pins("AG11")),# User I/O port on Mister
IOStandard("3.3-V LVTTL"), Misc("WEAK_PULL_UP_RESISTOR ON"), Misc("CURRENT_STRENGTH_NEW \"MAXIMUM CURRENT\"")
),
("serial", 1,
Subsignal("tx", Pins("AF13"), IOStandard("3.3-V LVTTL")), # Arduino_IO1
Subsignal("rx", Pins("AG13"), IOStandard("3.3-V LVTTL")) # Arduino_IO0
Subsignal("tx", Pins("AF13")), # Arduino_IO1
Subsignal("rx", Pins("AG13")), # Arduino_IO0
IOStandard("3.3-V LVTTL"), Misc("WEAK_PULL_UP_RESISTOR ON"), Misc("CURRENT_STRENGTH_NEW \"MAXIMUM CURRENT\"")
),
("g_sensor", 0,
@ -55,13 +57,13 @@ _io = [
),
("hdmi", 0,
Subsignal("tx_d_r", Pins("AS12 AE12 W8 Y8 AD11 AD10 AE11 Y5")),
Subsignal("tx_d_g", Pins("AF10 Y4 AE9 AB4 AE7 AF6 AF8 AF5")),
Subsignal("tx_d_b", Pins("AE4 AH2 AH4 AH5 AH6 AG6 AF9 AE8")),
Subsignal("tx_clk", Pins("AG5")),
Subsignal("tx_de", Pins("AD19")),
Subsignal("tx_hs", Pins("T8")),
Subsignal("tx_vs", Pins("V13")),
Subsignal("tx_d_r", Pins("AS12 AE12 W8 Y8 AD11 AD10 AE11 Y5"), Misc("FAST_OUTPUT_REGISTER ON")),
Subsignal("tx_d_g", Pins("AF10 Y4 AE9 AB4 AE7 AF6 AF8 AF5"), Misc("FAST_OUTPUT_REGISTER ON")),
Subsignal("tx_d_b", Pins("AE4 AH2 AH4 AH5 AH6 AG6 AF9 AE8"), Misc("FAST_OUTPUT_REGISTER ON")),
Subsignal("tx_clk", Pins("AG5"), Misc("FAST_OUTPUT_REGISTER ON")),
Subsignal("tx_de", Pins("AD19"), Misc("FAST_OUTPUT_REGISTER ON")),
Subsignal("tx_hs", Pins("T8"), Misc("FAST_OUTPUT_REGISTER ON")),
Subsignal("tx_vs", Pins("V13"), Misc("FAST_OUTPUT_REGISTER ON")),
Subsignal("tx_int", Pins("AF11")),
IOStandard("3.3-V LVTTL")
),
@ -90,13 +92,14 @@ _mister_sdram_module_io = [
"AC22 C12 AB26 AD17 D12")),
Subsignal("dq", Pins(
"E8 V12 D11 W12 AH13 D8 AH14 AF7",
"AE24 AD23 AE6 AE23 AG14 AD5 AF4 AH3")),
"AE24 AD23 AE6 AE23 AG14 AD5 AF4 AH3"),
Misc("FAST_OUTPUT_ENABLE_REGISTER ON"), Misc("FAST_INPUT_REGISTER ON")),
Subsignal("ba", Pins("Y17 AB25")),
Subsignal("cas_n", Pins("AA18")),
Subsignal("cs_n", Pins("Y18")),
Subsignal("ras_n", Pins("W14")),
Subsignal("we_n", Pins("AA19")),
IOStandard("3.3-V LVTTL")
IOStandard("3.3-V LVTTL"), Misc("CURRENT_STRENGTH_NEW \"MAXIMUM CURRENT\""), Misc("FAST_OUTPUT_REGISTER ON"), Misc("ALLOW_SYNCH_CTRL_USAGE OFF")
),
("spisdcard", 0,
@ -104,14 +107,23 @@ _mister_sdram_module_io = [
Subsignal("mosi", Pins("AF27")),
Subsignal("cs_n", Pins("AF28")),
Subsignal("miso", Pins("AF25")),
IOStandard("3.3-V LVTTL")
IOStandard("3.3-V LVTTL"), Misc("CURRENT_STRENGTH_NEW \"MAXIMUM CURRENT\""), Misc("WEAK_PULL_UP_RESISTOR ON")
),
("sdcard", 0,
Subsignal("data", Pins("AF25 AF23 AD26 AF28"), Misc("WEAK_PULL_UP_RESISTOR ON")),
Subsignal("cmd", Pins("AF27"), Misc("WEAK_PULL_UP_RESISTOR ON")),
Subsignal("clk", Pins("AH26")),
Subsignal("cd", Pins("AH7"), Misc("WEAK_PULL_UP_RESISTOR ON")),
IOStandard("3.3-V LVTTL"), Misc("CURRENT_STRENGTH_NEW \"MAXIMUM CURRENT\""),
),
("mister_outputs", 0,
Subsignal("led_user", Pins("Y15")),
Subsignal("led_hdd", Pins("AA15")),
Subsignal("led_power", Pins("AG28")),
IOStandard("3.3-V LVTTL")
IOStandard("3.3-V LVTTL"), Misc("WEAK_PULL_UP_RESISTOR ON"), Misc("CURRENT_STRENGTH_NEW \"MAXIMUM CURRENT\"")
),
("vga", 0,
@ -120,8 +132,8 @@ _mister_sdram_module_io = [
Subsignal("blue", Pins("AG21 AA20 AE22 AF22 AH23 AH21")),
Subsignal("hsync", Pins("AH22")),
Subsignal("vsync", Pins("AG24")),
Subsignal("en", Pins("AH27")),
IOStandard("3.3-V LVTTL")
Subsignal("en", Pins("AH27"), Misc("WEAK_PULL_UP_RESISTOR ON")),
IOStandard("3.3-V LVTTL"), Misc("CURRENT_STRENGTH_NEW 8MA")
),
]