antmicro_sdi_mipi_video_converter: Cleanup/Update to new LiteX conventions.

This commit is contained in:
Florent Kermarrec 2023-02-16 09:02:14 +01:00
parent fe2be83feb
commit 7b716e4899
2 changed files with 44 additions and 60 deletions

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@ -5,30 +5,32 @@
# SPDX-License-Identifier: BSD-2-Clause # SPDX-License-Identifier: BSD-2-Clause
from litex.build.generic_platform import * from litex.build.generic_platform import *
from litex.build.lattice import LatticePlatform from litex.build.lattice import LatticeNexusPlatform
from litex.build.lattice.programmer import LatticeProgrammer from litex.build.lattice.programmer import LatticeProgrammer
from litex.build.lattice.programmer import EcpprogProgrammer from litex.build.lattice.programmer import EcpprogProgrammer
# IOs ---------------------------------------------------------------------------------------------- # IOs ----------------------------------------------------------------------------------------------
_io = [ _io = [
# Clk.
("clk12", 0, Pins("G15"), IOStandard("LVCMOS33")), ("clk12", 0, Pins("G15"), IOStandard("LVCMOS33")),
# Serial.
("serial", 0, ("serial", 0,
Subsignal("tx", Pins("J12"), IOStandard("LVCMOS33")), Subsignal("tx", Pins("J12"), IOStandard("LVCMOS33")),
Subsignal("rx", Pins("J11"), IOStandard("LVCMOS33")), Subsignal("rx", Pins("J11"), IOStandard("LVCMOS33")),
), ),
# Section 7.3 General Purpose LEDs # Leds (Section 7.3).
("user_led", 0, Pins("E15"), IOStandard("LVCMOS33")), ("user_led", 0, Pins("E15"), IOStandard("LVCMOS33")),
("user_led", 1, Pins("E16"), IOStandard("LVCMOS33")), ("user_led", 1, Pins("E16"), IOStandard("LVCMOS33")),
# Section 7.1 DIP Switch # DIP Switches (Section 7.1).
("user_dip_btn", 0, Pins("F15"), IOStandard("LVCMOS33")), ("user_dip_btn", 0, Pins("F15"), IOStandard("LVCMOS33")),
("user_dip_btn", 1, Pins("H10"), IOStandard("LVCMOS33")), ("user_dip_btn", 1, Pins("H10"), IOStandard("LVCMOS33")),
# Section 6.3.1. SPI Configuration # SPI Flash (Section 6.3.1.).
("spiflash", 0, ("spiflash", 0,
Subsignal("cs_n", Pins("C15")), Subsignal("cs_n", Pins("C15")),
Subsignal("clk", Pins("C16")), Subsignal("clk", Pins("C16")),
@ -38,17 +40,13 @@ _io = [
) )
] ]
# Connectors --------------------------------------------------------------------------------------- # Connectors ---------------------------------------------------------------------------------------
_connectors = [] _connectors = []
# Test and Demo ------------------------------------------------------------------------------------
# Platform ----------------------------------------------------------------------------------------- # Platform -----------------------------------------------------------------------------------------
class Platform(LatticePlatform): class Platform(LatticeNexusPlatform):
default_clk_name = "clk12" default_clk_name = "clk12"
default_clk_period = 1e9/12e6 default_clk_period = 1e9/12e6
@ -59,7 +57,7 @@ class Platform(LatticePlatform):
if device == "LIFCL": if device == "LIFCL":
device == "LIFCL-40-9BG400C" device == "LIFCL-40-9BG400C"
assert device in ["LIFCL-40-9BG256C", "LIFCL-40-9BG400C", "LIFCL-40-8BG400CES", "LIFCL-40-8BG400CES2", "LIFCL-40-8BG400C"] assert device in ["LIFCL-40-9BG256C", "LIFCL-40-9BG400C", "LIFCL-40-8BG400CES", "LIFCL-40-8BG400CES2", "LIFCL-40-8BG400C"]
LatticePlatform.__init__(self, device, _io, _connectors, toolchain=toolchain, **kwargs) LatticeNexusPlatform.__init__(self, device, _io, _connectors, toolchain=toolchain, **kwargs)
def create_programmer(self, mode="direct", prog="radiant"): def create_programmer(self, mode="direct", prog="radiant"):
assert mode in ["direct", "flash"] assert mode in ["direct", "flash"]

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@ -11,7 +11,9 @@ import os
from migen import * from migen import *
from migen.genlib.resetsync import AsyncResetSynchronizer from migen.genlib.resetsync import AsyncResetSynchronizer
import litex_boards.platforms.antmicro_sdi_mipi_video_converter from litex.gen import LiteXModule
from litex_boards.platforms import antmicro_sdi_mipi_video_converter
from litex.soc.cores.ram import NXLRAM from litex.soc.cores.ram import NXLRAM
from litex.soc.cores.clock import NXPLL from litex.soc.cores.clock import NXPLL
@ -23,33 +25,29 @@ from litex.soc.integration.soc import SoCRegion
from litex.soc.integration.builder import * from litex.soc.integration.builder import *
from litex.soc.cores.led import LedChaser from litex.soc.cores.led import LedChaser
from litex.build.lattice.oxide import oxide_args, oxide_argdict
from litex.build.lattice.radiant import radiant_build_argdict, radiant_build_args
kB = 1024 kB = 1024
mB = 1024*kB mB = 1024*kB
# CRG ---------------------------------------------------------------------------------------------- # CRG ----------------------------------------------------------------------------------------------
class _CRG(Module): class _CRG(LiteXModule):
def __init__(self, platform, sys_clk_freq): def __init__(self, platform, sys_clk_freq):
self.clock_domains.cd_por = ClockDomain() self.cd_por = ClockDomain()
self.clock_domains.cd_sys = ClockDomain() self.cd_sys = ClockDomain()
# Built in OSC # Built in OSC
self.submodules.hf_clk = NXOSCA() self.hf_clk = NXOSCA()
hf_clk_freq = 25e6 hf_clk_freq = 25e6
self.hf_clk.create_hf_clk(self.cd_por, hf_clk_freq) self.hf_clk.create_hf_clk(self.cd_por, hf_clk_freq)
# Power on reset # Power on reset
por_count = Signal(16, reset=2**16-1) por_count = Signal(16, reset=2**16-1)
por_done = Signal() por_done = Signal()
self.comb += por_done.eq(por_count == 0) self.comb += por_done.eq(por_count == 0)
self.sync.por += If(~por_done, por_count.eq(por_count - 1)) self.sync.por += If(~por_done, por_count.eq(por_count - 1))
# PLL # PLL
self.submodules.sys_pll = sys_pll = NXPLL(platform=platform, create_output_port_clocks=True) self.sys_pll = sys_pll = NXPLL(platform=platform, create_output_port_clocks=True)
sys_pll.register_clkin(self.cd_por.clk, hf_clk_freq) sys_pll.register_clkin(self.cd_por.clk, hf_clk_freq)
sys_pll.create_clkout(self.cd_sys, sys_clk_freq) sys_pll.create_clkout(self.cd_sys, sys_clk_freq)
self.specials += AsyncResetSynchronizer(self.cd_sys, ~self.sys_pll.locked | ~por_done) self.specials += AsyncResetSynchronizer(self.cd_sys, ~self.sys_pll.locked | ~por_done)
@ -59,72 +57,60 @@ class _CRG(Module):
class BaseSoC(SoCCore): class BaseSoC(SoCCore):
mem_map = { mem_map = {
"rom": 0x00000000, "rom" : 0x00000000,
"sram": 0x40000000, "sram" : 0x40000000,
"main_ram": 0x60000000, "main_ram" : 0x60000000,
"csr": 0xf0000000, "csr" : 0xf0000000,
} }
def __init__(self, sys_clk_freq=int(75e6), device="LIFCL-40-9BG256C", toolchain="radiant", with_led_chaser=True, **kwargs): def __init__(self, sys_clk_freq=int(75e6), device="LIFCL-40-9BG256C", toolchain="radiant",
platform = litex_boards.platforms.antmicro_sdi_mipi_video_converter.Platform( with_led_chaser = True,
device=device, toolchain=toolchain) **kwargs):
platform = antmicro_sdi_mipi_video_converter.Platform(device=device, toolchain=toolchain)
# CRG -------------------------------------------------------------------------------------- # CRG --------------------------------------------------------------------------------------
self.submodules.crg = _CRG(platform, sys_clk_freq) self.crg = _CRG(platform, sys_clk_freq)
# SoCCore -----------------------------------------_---------------------------------------- # SoCCore -----------------------------------------_----------------------------------------
# Disable Integrated SRAM since we want to instantiate LRAM specifically for it # Disable Integrated SRAM since we want to instantiate LRAM specifically for it
kwargs["integrated_sram_size"] = 0 kwargs["integrated_sram_size"] = 0
SoCCore.__init__(self, platform, sys_clk_freq, SoCCore.__init__(self, platform, sys_clk_freq, ident="LiteX SoC on Antmicro SDI MIPI Video Converter Board", **kwargs)
ident="LiteX SoC on Crosslink-NX Evaluation Board", **kwargs)
# 128KB LRAM (used as SRAM) --------------------------------------------------------------- # 128KB LRAM (used as SRAM) ---------------------------------------------------------------
self.spram = NXLRAM(32, 64*kB)
self.submodules.spram = NXLRAM(32, 64*kB)
self.bus.add_slave("sram", self.spram.bus, SoCRegion(origin=self.mem_map["sram"], size=16*kB)) self.bus.add_slave("sram", self.spram.bus, SoCRegion(origin=self.mem_map["sram"], size=16*kB))
self.submodules.main_ram = NXLRAM(32, 64*kB) self.main_ram = NXLRAM(32, 64*kB)
self.bus.add_slave("main_ram", self.main_ram.bus, SoCRegion(origin=self.mem_map["main_ram"], size=64*kB)) self.bus.add_slave("main_ram", self.main_ram.bus, SoCRegion(origin=self.mem_map["main_ram"], size=64*kB))
# Leds ------------------------------------------------------------------------------------- # Leds -------------------------------------------------------------------------------------
if with_led_chaser: if with_led_chaser:
self.submodules.leds = LedChaser( self.leds = LedChaser(
pads=Cat(*[platform.request("user_led", i) for i in range(2)]), pads = platform.request_all("user_led"),
sys_clk_freq=sys_clk_freq) sys_clk_freq = sys_clk_freq)
# Build -------------------------------------------------------------------------------------------- # Build --------------------------------------------------------------------------------------------
def main(): def main():
from litex.soc.integration.soc import LiteXSoCArgumentParser from litex.build.parser import LiteXArgumentParser
parser = LiteXSoCArgumentParser(description="LiteX SoC on Crosslink-NX Eval Board") parser = LiteXArgumentParser(platform=antmicro_sdi_mipi_video_converter.Platform, description="LiteX SoC on Antmicro SDI MIPI Video Converter Board.")
target_group = parser.add_argument_group(title="Target options") parser.add_target_argument("--device", default="LIFCL-40-9BG256C", help="FPGA device (LIFCL-40-9BG400C, LIFCL-40-8BG400CES, or LIFCL-40-8BG400CES2).")
target_group.add_argument("--build", action="store_true", help="Build design.") parser.add_target_argument("--sys-clk-freq", default=75e6, help="System clock frequency.")
target_group.add_argument("--load", action="store_true", help="Load bitstream.") parser.add_target_argument("--programmer", default="radiant", help="Programmer (radiant or ecpprog).")
target_group.add_argument("--toolchain", default="radiant", help="FPGA toolchain (radiant or prjoxide).") parser.add_target_argument("--prog-target", default="direct", help="Programming Target (direct or flash).")
target_group.add_argument("--device", default="LIFCL-40-9BG256C", help="FPGA device (LIFCL-40-9BG400C, LIFCL-40-8BG400CES, or LIFCL-40-8BG400CES2).")
target_group.add_argument("--sys-clk-freq", default=75e6, help="System clock frequency.")
target_group.add_argument("--programmer", default="radiant", help="Programmer (radiant or ecpprog).")
target_group.add_argument("--prog-target", default="direct", help="Programming Target (direct or flash).")
builder_args(parser)
soc_core_args(parser)
oxide_args(parser)
radiant_build_args(parser)
args = parser.parse_args() args = parser.parse_args()
soc = BaseSoC( soc = BaseSoC(
sys_clk_freq=int(float(args.sys_clk_freq)), sys_clk_freq = int(float(args.sys_clk_freq)),
device=args.device, device = args.device,
toolchain=args.toolchain, toolchain = args.toolchain,
**soc_core_argdict(args) **parser.soc_argdict
) )
builder = Builder(soc, **parser.builder_argdict)
builder = Builder(soc, **builder_argdict(args))
builder_kargs = oxide_argdict(args) if args.toolchain == "oxide" else radiant_build_argdict(args)
if args.build: if args.build:
builder.build(**builder_kargs) builder.build(**parser.toolchain_argdict)
if args.load: if args.load:
prog = soc.platform.create_programmer(args.prog_target, args.programmer) prog = soc.platform.create_programmer(args.prog_target, args.programmer)