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Merge pull request #559 from racerxdl/master 

sipeed_tang_mega_138k: Added PCIe reset and other pins from sipeed dock
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enjoy-digital 2024-01-15 08:42:37 +01:00 committed by GitHub
parent 261c61cf62 3438f74224
commit dbcd5bc3f5
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 38 additions and 7 deletions
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litex_boards/platforms/sipeed_tang_mega_138k.py
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@ -37,6 +37,11 @@ _io = [
Subsignal("hold_n", Pins("N14"), IOStandard("LVCMOS33")), Subsignal("hold_n", Pins("N14"), IOStandard("LVCMOS33")),
), ),
# PCI Express
("pcie", 0,
Subsignal("rst_n", Pins("L23")),
),
# Leds # Leds
("led_n", 0, Pins("J14"), IOStandard("LVCMOS33")), ("led_n", 0, Pins("J14"), IOStandard("LVCMOS33")),
("led_n", 1, Pins("R26"), IOStandard("LVCMOS33")), ("led_n", 1, Pins("R26"), IOStandard("LVCMOS33")),
@ -45,6 +50,9 @@ _io = [
("led_n", 4, Pins("N21"), IOStandard("LVCMOS33")), ("led_n", 4, Pins("N21"), IOStandard("LVCMOS33")),
("led_n", 5, Pins("N23"), IOStandard("LVCMOS33")), ("led_n", 5, Pins("N23"), IOStandard("LVCMOS33")),
("led_done", 0, Pins("W10"), IOStandard("LVCMOS33")),
("led_ready", 0, Pins("V11"), IOStandard("LVCMOS33")),
# DDR3 SDRAM H5TQ4G63EFR-RDC # DDR3 SDRAM H5TQ4G63EFR-RDC
("ddram", 0, ("ddram", 0,
Subsignal("a", Pins( Subsignal("a", Pins(
@ -178,6 +186,27 @@ _dock_io = [
("btn_n", 1, Pins( "J3:62"), IOStandard("LVCMOS33")), ("btn_n", 1, Pins( "J3:62"), IOStandard("LVCMOS33")),
("btn_n", 2, Pins( "J3:64"), IOStandard("LVCMOS33")), ("btn_n", 2, Pins( "J3:64"), IOStandard("LVCMOS33")),
("btn_n", 3, Pins( "J3:66"), IOStandard("LVCMOS33")), ("btn_n", 3, Pins( "J3:66"), IOStandard("LVCMOS33")),
# FAN
("fan", 0,
Subsignal("pwm", Pins("T18")),
Subsignal("tac", Pins("T17")),
IOStandard("LVCMOS33")
),
("led_ws2812", 0, Pins("H16"), IOStandard("LVCMOS33")),
# LCD
("lcd", 0,
Subsignal("r", Pins("H19 J19 G25 H18 J18 K17")),
Subsignal("g", Pins("J16 K15 F22 G22 G21 G20")),
Subsignal("b", Pins("F20 G19 F19 F18 M17 M16")),
Subsignal("en", Pins("A24")),
Subsignal("clk", Pins("H21")),
IOStandard("LVCMOS33"),
Misc("PULL_MODE=NONE DRIVE=24 BANK_VCCIO=3.3")
),
# HDMI In # HDMI In
("hdmi_in", 0, ("hdmi_in", 0,
Subsignal("clk_p", Pins("J1:107")), Subsignal("clk_p", Pins("J1:107")),
@ -276,6 +305,8 @@ class Platform(GowinPlatform):
self.add_extension(_dock_io) self.add_extension(_dock_io)
self.add_connector(_dock_connectors) self.add_connector(_dock_connectors)
self.toolchain.options["use_ready_as_gpio"] = 1
self.toolchain.options["use_done_as_gpio"] = 1
self.toolchain.options["use_mspi_as_gpio"] = 1 self.toolchain.options["use_mspi_as_gpio"] = 1
self.toolchain.options["use_sspi_as_gpio"] = 1 self.toolchain.options["use_sspi_as_gpio"] = 1
self.toolchain.options["use_cpu_as_gpio"] = 1 self.toolchain.options["use_cpu_as_gpio"] = 1