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litex-boards/litex_boards/platforms/sipeed_tang_mega_138k_pro.py

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#
# This file is part of LiteX-Boards.
#
# Copyright (c) 2022-2023 Icenowy Zheng <uwu@icenowy.me>
# Copyright (c) 2022 Florent Kermarrec <florent@enjoy-digital.fr>
# Copyright (c) 2023 Gwenhael Goavec-Merou <gwenhael@enjoy-digital.fr>
# SPDX-License-Identifier: BSD-2-Clause
from migen import *
from litex.build.generic_platform import *
from litex.build.gowin.platform import GowinPlatform
from litex.build.gowin.programmer import GowinProgrammer
from litex.build.openfpgaloader import OpenFPGALoader
# IOs ----------------------------------------------------------------------------------------------
_io = [
# Clk / Rst.
("clk50", 0, Pins("P16"), IOStandard("LVCMOS33")),
("rst", 0, Pins("U4"), IOStandard("LVCMOS15")),
# Serial.
("serial", 0,
Subsignal("rx", Pins("N16")),
Subsignal("tx", Pins("P15")),
IOStandard("LVCMOS33")
),
# SPIFlash.
("spiflash", 0,
Subsignal("cs_n", Pins("P18"), IOStandard("LVCMOS33")),
Subsignal("clk", Pins("H13"), IOStandard("LVCMOS33")),
Subsignal("miso", Pins("R15"), IOStandard("LVCMOS33")),
Subsignal("mosi", Pins("R14"), IOStandard("LVCMOS33")),
Subsignal("wp_n", Pins("P14"), IOStandard("LVCMOS33")),
Subsignal("hold_n", Pins("N14"), IOStandard("LVCMOS33")),
),
# PCI Express
("pcie", 0,
Subsignal("rst_n", Pins("L23")),
),
# Leds
("led_n", 0, Pins("J14"), IOStandard("LVCMOS33")),
("led_n", 1, Pins("R26"), IOStandard("LVCMOS33")),
("led_n", 2, Pins("L20"), IOStandard("LVCMOS33")),
("led_n", 3, Pins("M25"), IOStandard("LVCMOS33")),
("led_n", 4, Pins("N21"), 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
("ddram", 0,
Subsignal("a", Pins(
"N1 R1 R2 N2 P1 T2 N4 U1",
"T4 T3 M1 P4 N3 U2 U5 "), # (M6 unused in 256x16)
IOStandard("SSTL15"),
Misc("DRIVE=12"),
),
Subsignal("ba", Pins("M4 L5 K3"), IOStandard("SSTL15"), Misc("DRIVE=12")),
Subsignal("ras_n", Pins("H2"), IOStandard("SSTL15"), Misc("DRIVE=12")),
Subsignal("cas_n", Pins("H1"), IOStandard("SSTL15"), Misc("DRIVE=12")),
Subsignal("we_n", Pins("J3"), IOStandard("SSTL15"), Misc("DRIVE=12")),
Subsignal("cs_n", Pins("L4"), IOStandard("SSTL15"), Misc("DRIVE=12")),
Subsignal("dm", Pins("F4 H9 E3 A3"), IOStandard("SSTL15"), Misc("DRIVE=12")),
Subsignal("dq", Pins(
"G4 J6 L8 G5 K7 J5 K8 K6",
"E6 H8 H6 G8 D6 F8 G6 F7",
"C4 F3 B4 E5 D3 D5 A4 D4",
"E1 A2 G2 C2 F2 E2 G1 D1"),
IOStandard("SSTL15"),
Misc("DRIVE=12"),
),
Subsignal("dqs_p", Pins("J4 H7 B5 C1"), IOStandard("SSTL15D"), Misc("DRIVE=8")),
Subsignal("dqs_n", Pins("H4 G7 A5 B1"), IOStandard("SSTL15D"), Misc("DRIVE=8")),
Subsignal("clk_p", Pins("M2"), IOStandard("SSTL15D"), Misc("DRIVE=8")),
Subsignal("clk_n", Pins("L2"), IOStandard("SSTL15D"), Misc("DRIVE=8")),
Subsignal("cke", Pins("L3"), IOStandard("SSTL15"), Misc("DRIVE=4")),
Subsignal("odt", Pins("J1"), IOStandard("SSTL15"), Misc("DRIVE=12")),
Subsignal("reset_n", Pins("N8"), IOStandard("SSTL15"), Misc("DRIVE=12")),
Misc("PULL_MODE=NONE BANK_VCCIO=1.5"),
),
]
# Connectors ---------------------------------------------------------------------------------------
_connectors = [
["J1",
# -------------------------------------------------------------
"---", # 0
# GND GND ( 1-10).
" ---- ---- AC26 AC24 AB26 AB24 AB25 AA23 AA24 AA22",
# GND GND ( 11-20).
" AA25 Y23 Y25 Y22 Y26 W24 W25 V24 ---- ----",
# ( 21-30).
" W26 W23 V26 V23 U26 U24 U25 L24 R26 Y20",
# ( 31-40).
" P26 W20 P19 W19 N19 V19 M20 V22 L20 U22",
# 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V ( 41-50).
" ---- ---- ---- ---- ---- ---- ---- ---- ---- ----",
# 5V 5V 5V 5V 5V 5V 3V3 5V 3V3 5V ( 51-60).
" ---- ---- ---- ---- ---- ---- ---- ---- ---- ----",
# GND GND GND ( 61-70).
" ---- ---- R15 N16 L20 E17 ---- E18 M21 N17",
# GND GND GND ( 71-80).
" M22 M24 ---- M25 N23 N22 N24 N21 ---- ----",
# ( 81-90).
" N26 L22 M26 L23 C19 K22 D19 K23 K25 K21",
# ( 91-100).
" K26 J21 J25 N18 J26 M19 H26 L19 G26 K18",
# GND GND (101-110).
" ---- ---- M15 J24 L15 H24 K20 J23 J20 H23",
# GND GND (111-120).
" E26 D23 D26 D24 C26 C22 B26 C23 ---- ----",
],
["J2",
# -------------------------------------------------------------
"---", # 0
# GND GND VCCO VCCO VCCO VCCO GND GND ( 1-10).
" ---- ---- ---- ---- ---- ---- ---- ---- V21 P25",
# GND ( 11-20).
" U21 R25 ---- T25 U20 T24 T20 T23 U19 R23",
# GND ( 21-30).
" T19 P24 W18 P23 V18 P21 R18 ---- T18 Y21",
# GND ( 31-40).
" T17 W21 U17 ---- U14 V17 V14 V16 T15 U16",
# GND GND ( 41-50).
" T14 U15 Y9 AB15 AB7 W9 ---- ---- R17 J15",
# GND GND GND GND ( 51-60).
" R16 J14 ---- ---- R11 AE16 R12 U4 ---- ----",
# GND GND ( 61-70).
" AD14 AA11 AC14 AB11 ---- ---- AB13 AC10 AA13 AD10",
# GND GND GND GND ( 71-80).
" ---- ---- AF13 Ac8 AE13 AD8 ---- ---- AF11 AE9",
# GND GND GND GND ( 81-90).
" AE11 AF9 ---- ---- AD12 AE7 AC12 AF7 ---- ----",
# GND GND ( 91-100).
" W4 AB1 V4 AC1 ---- ---- AA3 AE5 Y3 AF5",
# GND GND GND GND (101-110).
" ---- ---- W3 AE3 V3 AF3 ---- ---- AA2 AE2",
# GND GND GND GND (111-120).
" Y2 AF2 ---- ---- W1 AD1 V1 AE1 ---- ----",
],
["J3",
# -------------------------------------------------------------
"---", # 0
# GND GND GND ( 1-10).
" ---- ---- B25 A24 A25 A23 C24 ---- B24 H22",
# GND GND ( 11-20).
" E25 H21 D25 F20 G24 G19 F24 ---- ---- F19",
# ( 21-30).
" E22 F18 H17 M17 F23 M16 E23 J16 B22 K15",
# GND ( 31-40).
" A22 ---- E21 F22 D21 G22 E20 G21 D20 G20",
# GND GND ( 41-50).
" ---- ---- D18 H19 C18 J19 C17 F25 B17 G25",
# GND ( 51-60).
" E16 ---- D16 H18 G17 J18 F17 K17 L17 K16",
# GND ( 61-70).
" L18 F15 ---- G15 H14 G16 H15 H16 C21 L14",
# GND GND GND ( 71-80).
" B21 M14 B20 ---- A20 P11 ---- N12 B19 ----",
# TCK GND TDI TDO TMS GND GND ( 81-90).
" A19 H12 ---- H10 A17 J10 A18 H11 ---- ----",
# GND GND ( 91-100).
" F11 F13 E11 E13 ---- ---- D10 C12 C10 D12",
# GND GND GND GND (101-110).
" ---- ---- D8 C14 C8 D14 ---- ---- B9 A13",
# GND GND GND GND (111-120).
" A9 B13 ---- ---- B7 P11 A7 N12 ---- ----",
],
]
# Dock IOs -----------------------------------------------------------------------------------------
# Note: SOM.J1 -> dock.J6 odd/even revert
# SOM.J2 -> dock.J7 odd/even revert
# SOM.J3 -> dock.J8 odd/even revert
_dock_io = [
("btn_n", 0, Pins( "J3:60"), IOStandard("LVCMOS33")),
("btn_n", 1, Pins( "J3:62"), IOStandard("LVCMOS33")),
("btn_n", 2, Pins( "J3:64"), 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", 0,
Subsignal("clk_p", Pins("J1:107")),
Subsignal("clk_n", Pins("J1:109")),
Subsignal("data0_p", Pins("J1:87")),
Subsignal("data0_n", Pins("J1:85")),
Subsignal("data1_p", Pins("J1:103")),
Subsignal("data1_n", Pins("J1:105")),
Subsignal("data2_p", Pins("J1:93")),
Subsignal("data2_n", Pins("J1:95")),
Subsignal("hdp", Pins("J1:99")),
#Subsignal("scl", Pins("J1:89")),
#Subsignal("sda", Pins("J1:91")),
#Subsignal("cec", Pins("J1:97")),
IOStandard("LVCMOS33D"),
Misc("PULL_MODE=NONE DRIVE=8")
),
# HDMI Out
("hdmi_out", 0,
Subsignal("clk_p", Pins("J1:14")),
Subsignal("clk_n", Pins("J1:12")),
Subsignal("data0_p", Pins("J1:6")),
Subsignal("data0_n", Pins("J1:4")),
Subsignal("data1_p", Pins("J1:18")),
Subsignal("data1_n", Pins("J1:16")),
Subsignal("data2_p", Pins("J1:10")),
Subsignal("data2_n", Pins("J1:8")),
Subsignal("hdp", Pins("J2:39")),
#Subsignal("scl", Pins("J1:89")),
#Subsignal("sda", Pins("J1:91")),
#Subsignal("cec", Pins("J2:41")),
IOStandard("LVCMOS33D"),
Misc("PULL_MODE=NONE DRIVE=8")
),
# RGMII Ethernet
("eth_clocks", 0,
Subsignal("tx", Pins("H24")),
Subsignal("rx", Pins("C23")),
IOStandard("LVCMOS33")
),
("eth", 0,
Subsignal("rst_n", Pins("E17")),
Subsignal("mdio", Pins("K22")),
Subsignal("mdc", Pins("K23")),
Subsignal("rx_ctl", Pins("C22")),
Subsignal("rx_data", Pins("B26 C26 D26 E26")),
Subsignal("tx_ctl", Pins("J24")),
Subsignal("tx_data", Pins("K21 J21 L19 K18")),
IOStandard("LVCMOS33"),
),
("ephy_clk", 0, Pins("E18"), IOStandard("LVCMOS33")),
]
_dock_connectors = [
["sdram_connector",
# -------------------------------------------------------------
"---", # 0
# ( 1-10).
" U16 V16 U15 V17 W21 Y21 P21 U17 P23 P24",
# 5V GND (11-20).
" --- --- T23 R23 R25 T25 W23 P25 U24 V23",
# (21-30).
" AC26 U25 AB25 AB26 AA25 AA24 Y26 Y25 L22 M24",
# (31-40).
" W26 W25 U26 V26 W20 Y20 V19 W19 U22 V22",
],
]
# SDRAMs -------------------------------------------------------------------------------------------
def misterSDRAM(conn="sdram_connector"):
return [
("sdram_clock", 0, Pins(f"{conn}:20"),
IOStandard("LVCMOS33"),
Misc("PULL_MODE=NONE DRIVE=16"),
),
("sdram", 0,
Subsignal("a", Pins(
f"{conn}:37 {conn}:38 {conn}:39 {conn}:40 {conn}:28 {conn}:25 {conn}:26 {conn}:23",
f"{conn}:24 {conn}:21 {conn}:36 {conn}:22 {conn}:19"),
),
Subsignal("dq", Pins(
f"{conn}:1 {conn}:2 {conn}:3 {conn}:4 {conn}:5 {conn}:6 {conn}:7 {conn}:8",
f"{conn}:18 {conn}:17 {conn}:16 {conn}:15 {conn}:14 {conn}:13 {conn}:10 {conn}:9"),
),
Subsignal("ba", Pins(f"{conn}:34 {conn}:35")),
Subsignal("cas_n", Pins(f"{conn}:31")),
Subsignal("cs_n", Pins(f"{conn}:33")),
Subsignal("ras_n", Pins(f"{conn}:32")),
Subsignal("we_n", Pins(f"{conn}:27")),
IOStandard("LVCMOS33"),
),
]
def sipeedSDRAM(conn="sdram_connector"):
return [
("sdram_clock", 0, Pins(f"{conn}:20"),
IOStandard("LVCMOS33"),
Misc("PULL_MODE=NONE DRIVE=16"),
),
("sdram", 0,
Subsignal("a", Pins(
f"{conn}:37 {conn}:38 {conn}:39 {conn}:40 {conn}:28 {conn}:25 {conn}:26 {conn}:23",
f"{conn}:24 {conn}:21 {conn}:36 {conn}:22 {conn}:19")
),
Subsignal("dq", Pins(
f"{conn}:1 {conn}:2 {conn}:3 {conn}:4 {conn}:5 {conn}:6 {conn}:7 {conn}:8",
f"{conn}:18 {conn}:17 {conn}:16 {conn}:15 {conn}:14 {conn}:13 {conn}:10 {conn}:9"),
),
Subsignal("ba", Pins(f"{conn}:34 {conn}:35")),
Subsignal("cas_n", Pins(f"{conn}:31")),
Subsignal("cs_n", Pins(f"{conn}:33")),
Subsignal("ras_n", Pins(f"{conn}:32")),
Subsignal("we_n", Pins(f"{conn}:27")),
Subsignal("dm", Pins(f"{conn}:29 {conn}:30")),
IOStandard("LVCMOS33"),
),
]
# Platform -----------------------------------------------------------------------------------------
class Platform(GowinPlatform):
default_clk_name = "clk50"
default_clk_period = 1e9/50e6
def __init__(self, dock="standard", toolchain="gowin"):
GowinPlatform.__init__(self, "GW5AST-LV138FPG676AES", _io, _connectors, toolchain=toolchain, devicename="GW5AST-138B")
self.add_extension(_dock_io)
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_sspi_as_gpio"] = 1
self.toolchain.options["use_cpu_as_gpio"] = 1
self.toolchain.options["rw_check_on_ram"] = 1
self.toolchain.options["bit_security"] = 0
self.toolchain.options["bit_encrypt"] = 0
self.toolchain.options["bit_compress"] = 0
def create_programmer(self, kit="openfpgaloader"):
return OpenFPGALoader(cable="ft2232")
def do_finalize(self, fragment):
GowinPlatform.do_finalize(self, fragment)
self.add_period_constraint(self.lookup_request("clk50", loose=True), 1e9/50e6)
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