Fix format
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0c774a906d
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@ -6,12 +6,12 @@ from litex.build.lattice.programmer import EcpprogProgrammer
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# IOs ----------------------------------------------------------------------------------------------
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_io = [
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("clk12", 0, Pins("G15"), IOStandard("LVCMOS33")),
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("clk12", 0, Pins("G15"), IOStandard("LVCMOS33")),
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("serial", 0,
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Subsignal("tx", Pins("J12"), IOStandard("LVCMOS33")),
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Subsignal("rx", Pins("J11"), IOStandard("LVCMOS33")),
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),
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),
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# Section 7.3 General Purpose LEDs
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("user_led", 0, Pins("E15"), IOStandard("LVCMOS33")),
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@ -29,7 +29,7 @@ _io = [
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Subsignal("mosi", Pins("C14")),
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Subsignal("miso", Pins("D16")),
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IOStandard("LVCMOS33")
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)
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)
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]
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@ -43,7 +43,7 @@ _connectors = []
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# Platform -----------------------------------------------------------------------------------------
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class Platform(LatticePlatform):
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default_clk_name = "clk12"
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default_clk_name = "clk12"
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default_clk_period = 1e9/12e6
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def __init__(self, device="LIFCL-40-9BG400C", toolchain="radiant", **kwargs):
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@ -55,14 +55,13 @@ class Platform(LatticePlatform):
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assert device in ["LIFCL-40-9BG256C", "LIFCL-40-9BG400C", "LIFCL-40-8BG400CES", "LIFCL-40-8BG400CES2", "LIFCL-40-8BG400C"]
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LatticePlatform.__init__(self, device, _io, _connectors, toolchain=toolchain, **kwargs)
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def create_programmer(self, mode = "direct", prog="radiant"):
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assert mode in ["direct","flash"]
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assert prog in ["radiant","ecpprog"]
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def create_programmer(self, mode="direct", prog="radiant"):
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assert mode in ["direct", "flash"]
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assert prog in ["radiant", "ecpprog"]
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if prog == "ecpprog":
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return EcpprogProgrammer()
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xcf_template_direct = """<?xml version='1.0' encoding='utf-8' ?>
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<!DOCTYPE ispXCF SYSTEM "IspXCF.dtd" >
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<ispXCF version="R1.2.0">
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@ -15,7 +15,6 @@ import litex_boards.platforms.antmicro_sdi_mipi_video_converter
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from litex.soc.cores.ram import NXLRAM
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from litex.soc.cores.clock import NXPLL
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from litex.build.io import CRG
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from litex.build.generic_platform import *
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from litex.soc.cores.clock import *
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@ -45,7 +44,7 @@ class _CRG(Module):
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# Power on reset
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por_count = Signal(16, reset=2**16-1)
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por_done = Signal()
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por_done = Signal()
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self.comb += por_done.eq(por_count == 0)
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self.sync.por += If(~por_done, por_count.eq(por_count - 1))
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@ -53,21 +52,22 @@ class _CRG(Module):
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self.submodules.sys_pll = sys_pll = NXPLL(platform=platform, create_output_port_clocks=True)
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sys_pll.register_clkin(self.cd_por.clk, hf_clk_freq)
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sys_pll.create_clkout(self.cd_sys, sys_clk_freq)
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self.specials += AsyncResetSynchronizer(self.cd_sys, ~self.sys_pll.locked | ~por_done )
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self.specials += AsyncResetSynchronizer(self.cd_sys, ~self.sys_pll.locked | ~por_done)
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# BaseSoC ------------------------------------------------------------------------------------------
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class BaseSoC(SoCCore):
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mem_map = {
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"rom" : 0x00000000,
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"sram" : 0x40000000,
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"rom": 0x00000000,
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"sram": 0x40000000,
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"main_ram": 0x60000000,
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"csr" : 0xf0000000,
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"csr": 0xf0000000,
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}
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def __init__(self, sys_clk_freq=int(75e6), device="LIFCL-40-9BG256C", toolchain="radiant", with_led_chaser=True, **kwargs):
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platform = litex_boards.platforms.antmicro_sdi_mipi_video_converter.Platform(device=device, toolchain=toolchain)
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platform = litex_boards.platforms.antmicro_sdi_mipi_video_converter.Platform(
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device=device, toolchain=toolchain)
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# CRG --------------------------------------------------------------------------------------
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self.submodules.crg = _CRG(platform, sys_clk_freq)
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@ -76,10 +76,11 @@ class BaseSoC(SoCCore):
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# Disable Integrated SRAM since we want to instantiate LRAM specifically for it
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kwargs["integrated_sram_size"] = 0
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SoCCore.__init__(self, platform, sys_clk_freq, ident="LiteX SoC on Crosslink-NX Evaluation Board", **kwargs)
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SoCCore.__init__(self, platform, sys_clk_freq,
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ident="LiteX SoC on Crosslink-NX Evaluation Board", **kwargs)
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# 128KB LRAM (used as SRAM) ---------------------------------------------------------------
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self.submodules.spram = NXLRAM(32, 64*kB)
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self.bus.add_slave("sram", self.spram.bus, SoCRegion(origin=self.mem_map["sram"], size=16*kB))
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@ -89,11 +90,12 @@ class BaseSoC(SoCCore):
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# Leds -------------------------------------------------------------------------------------
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if with_led_chaser:
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self.submodules.leds = LedChaser(
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pads = Cat(*[platform.request("user_led", i) for i in range(2)]),
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sys_clk_freq = sys_clk_freq)
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pads=Cat(*[platform.request("user_led", i) for i in range(2)]),
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sys_clk_freq=sys_clk_freq)
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# Build --------------------------------------------------------------------------------------------
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def main():
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from litex.soc.integration.soc import LiteXSoCArgumentParser
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parser = LiteXSoCArgumentParser(description="LiteX SoC on Crosslink-NX Eval Board")
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@ -113,9 +115,9 @@ def main():
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args = parser.parse_args()
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soc = BaseSoC(
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sys_clk_freq = int(float(args.sys_clk_freq)),
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device = args.device,
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toolchain = args.toolchain,
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sys_clk_freq=int(float(args.sys_clk_freq)),
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device=args.device,
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toolchain=args.toolchain,
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**soc_core_argdict(args)
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)
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@ -127,7 +129,8 @@ def main():
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if args.load:
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prog = soc.platform.create_programmer(args.prog_target, args.programmer)
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if args.programmer == "ecpprog" and args.prog_target == "flash":
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prog.flash(address=args.address, bitstream=builder.get_bitstream_filename(mode="sram"))
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prog.flash(address=args.address,
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bitstream=builder.get_bitstream_filename(mode="sram"))
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else:
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if args.programmer == "radiant":
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os.system("sudo modprobe -rf ftdi_sio")
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@ -137,6 +140,6 @@ def main():
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if args.programmer == "radiant":
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os.system("sudo modprobe ftdi_sio")
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if __name__ == "__main__":
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main()
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