From 21e42e5bf653827f2954bb5b9f36acfcaeeb8b24 Mon Sep 17 00:00:00 2001 From: Dolu1990 Date: Fri, 30 Aug 2024 20:35:38 +0200 Subject: [PATCH] wip --- .../targets/efinix_ti375_c529_dev_kit.py | 242 ++++++++++-------- 1 file changed, 136 insertions(+), 106 deletions(-) diff --git a/litex_boards/targets/efinix_ti375_c529_dev_kit.py b/litex_boards/targets/efinix_ti375_c529_dev_kit.py index 8441b07..2396f26 100755 --- a/litex_boards/targets/efinix_ti375_c529_dev_kit.py +++ b/litex_boards/targets/efinix_ti375_c529_dev_kit.py @@ -21,6 +21,7 @@ from litex.soc.integration.builder import * from litex.soc.cores.led import LedChaser from litex.soc.interconnect import axi from litex.soc.cores.bitbang import I2CMaster +from litex.soc.cores.pwm import PWM from liteeth.phy.trionrgmii import LiteEthPHYRGMII from litex.build.generic_platform import Subsignal, Pins, Misc, IOStandard @@ -30,16 +31,21 @@ from litex.build.io import DDROutput from litex.build.io import SDRTristate # python3 -m litex_boards.targets.efinix_ti375_c529_dev_kit --cpu-type=vexiiriscv --cpu-variant=debian --update-repo=no --with-jtag-tap --with-sdcard --with-coherent-dma # python3 -m litex.tools.litex_json2dts_linux build/efinix_ti375_c529_dev_kit/csr.json --root-device=mmcblk0p2 > build/efinix_ti375_c529_dev_kit/linux.dts +# timed 5026 gametics in 6544 realtics (26.881113 fps) +# timed 5026 gametics in 3723 realtics (47.249531 fps) + +# TODO efx project ram from 8 words instead of 64, Fanout limit ? # CRG ---------------------------------------------------------------------------------------------- class _CRG(LiteXModule): - def __init__(self, platform, sys_clk_freq): + def __init__(self, platform, sys_clk_freq, cpu_clk_freq): #self.rst = Signal() self.cd_sys = ClockDomain() self.cd_usb = ClockDomain() self.cd_video = ClockDomain() + self.cd_cpu = ClockDomain() # # # @@ -53,11 +59,13 @@ class _CRG(LiteXModule): # You can use CLKOUT0 only for clocks with a maximum frequency of 4x # (integer) of the reference clock. If all your system clocks do not fall within # this range, you should dedicate one unused clock for CLKOUT0. - pll.create_clkout(None, 100e6) - pll.create_clkout(self.cd_sys, sys_clk_freq, with_reset=True, name="cd_sys_clkout") - pll.create_clkout(self.cd_usb, 60e6, margin=0) + pll.create_clkout(self.cd_sys, sys_clk_freq, with_reset=True, name="sys_clk") + pll.create_clkout(self.cd_cpu, cpu_clk_freq, name="cpu_clk") + pll.create_clkout(self.cd_usb, 60e6, margin=0, name="usb_clk") pll.create_clkout(None, 800e6, name="dram_clk") # LPDDR4 ctrl - pll.create_clkout(self.cd_video, 25e6, name ="video_clk") + pll.create_clkout(self.cd_video, 40e6, name ="video_clk") + platform.add_false_path_constraints(self.cd_sys.clk, self.cd_video.clk) + platform.add_false_path_constraints(self.cd_sys.clk, self.cd_usb.clk) # BaseSoC ------------------------------------------------------------------------------------------ @@ -68,16 +76,29 @@ class BaseSoC(SoCCore): }} def __init__(self, sys_clk_freq=100e6, + cpu_clk_freq=100e6, with_ohci=False, **kwargs): platform = efinix_ti375_c529_dev_kit.Platform() # CRG -------------------------------------------------------------------------------------- - self.crg = _CRG(platform, sys_clk_freq) + self.crg = _CRG(platform, sys_clk_freq, cpu_clk_freq) + # SoCCore ---------------------------------------------------------------------------------- SoCCore.__init__(self, platform, sys_clk_freq, ident="LiteX SoC on Efinix Ti375 C529 Dev Kit", **kwargs) + self.fan_pwm = PWM( + pwm=platform.request("fan_speed_control", 0), + with_csr = True, + default_enable = 1, + default_width= 0x800, + default_period = 0xFFF + ) + + if hasattr(self.cpu, "cpu_clk"): + self.comb += self.cpu.cpu_clk.eq(self.crg.cd_cpu.clk) + # OHCI if with_ohci: @@ -113,100 +134,92 @@ class BaseSoC(SoCCore): self.comb += jtag_pads.tdo.eq(self.cpu.jtag_tdo) platform.add_false_path_constraints(self.crg.cd_sys.clk, jtag_pads.tck) - _hdmi_io = efinix_ti375_c529_dev_kit.hdmi_px("p1") - self.platform.add_extension(_hdmi_io) - self.submodules.videoi2c = I2CMaster(platform.request("hdmi_i2c")) + if hasattr(self.cpu, "video_clk"): + _hdmi_io = efinix_ti375_c529_dev_kit.hdmi_px("p1") + self.platform.add_extension(_hdmi_io) + self.submodules.videoi2c = I2CMaster(platform.request("hdmi_i2c")) - self.videoi2c.add_init(addr=0x72>>1, init=[ - # # video input/output mode - (0xD6, 0xC0), - (0x15, 0x01), - (0x16, 0x38), - (0x18, 0xE7), - (0x19, 0x34), - (0x1A, 0x04), - (0x1B, 0xAD), - (0x1C, 0x00), - (0x1D, 0x00), - (0x1E, 0x1C), - (0x1F, 0x1B), - (0x20, 0x1D), - (0x21, 0xDC), - (0x22, 0x04), - (0x23, 0xAD), - (0x24, 0x1F), - (0x25, 0x24), - (0x26, 0x01), - (0x27, 0x35), - (0x28, 0x00), - (0x29, 0x00), - (0x2A, 0x04), - (0x2B, 0xAD), - (0x2C, 0x08), - (0x2D, 0x7C), - (0x2E, 0x1B), - (0x2F, 0x77), - (0x41, 0x10), - (0x48, 0x08), # (right justified - (0x55, 0x00), - (0x56, 0x28), - (0x96, 0xC0), - (0x98, 0x03), - (0x9A, 0xE0), - (0x9C, 0x30), - (0x9D, 0x61), - (0xA2, 0xA4), - (0xA3, 0xA4), - (0xAF, 0x06), - (0xBA, 0x60), - (0xD6, 0xC0), - (0xE0, 0xD0), - (0xDF, 0x01), - (0x9A, 0xE0), - (0xFD, 0xE0), - (0xFE, 0x80), - (0xF9, 0x00), - (0x7F, 0x00), - (0x94, 0x00), - (0xE2, 0x01), - (0x41, 0x10), - ]) + self.videoi2c.add_init(addr=0x72>>1, init=[ + # # video input/output mode + (0xD6, 0xC0), + (0x15, 0x01), + (0x16, 0x38), + (0x18, 0xE7), + (0x19, 0x34), + (0x1A, 0x04), + (0x1B, 0xAD), + (0x1C, 0x00), + (0x1D, 0x00), + (0x1E, 0x1C), + (0x1F, 0x1B), + (0x20, 0x1D), + (0x21, 0xDC), + (0x22, 0x04), + (0x23, 0xAD), + (0x24, 0x1F), + (0x25, 0x24), + (0x26, 0x01), + (0x27, 0x35), + (0x28, 0x00), + (0x29, 0x00), + (0x2A, 0x04), + (0x2B, 0xAD), + (0x2C, 0x08), + (0x2D, 0x7C), + (0x2E, 0x1B), + (0x2F, 0x77), + (0x41, 0x10), + (0x48, 0x08), # (right justified + (0x55, 0x00), + (0x56, 0x28), + (0x96, 0xC0), + (0x98, 0x03), + (0x9A, 0xE0), + (0x9C, 0x30), + (0x9D, 0x61), + (0xA2, 0xA4), + (0xA3, 0xA4), + (0xAF, 0x06), + (0xBA, 0x60), + (0xD6, 0xC0), + (0xE0, 0xD0), + (0xDF, 0x01), + (0x9A, 0xE0), + (0xFD, 0xE0), + (0xFE, 0x80), + (0xF9, 0x00), + (0x7F, 0x00), + (0x94, 0x00), + (0xE2, 0x01), + (0x41, 0x10), + ]) - clk_video = self.crg.cd_video.clk - self.comb += self.cpu.video_clk.eq(self.crg.cd_video.clk) - video_data = platform.request("hdmi_data") - self.specials += DDROutput(i1=Signal(reset=0b0), i2=Signal(reset=0b1), o=video_data.clk, clk=clk_video) - self.specials += DDROutput(i1=self.cpu.video_color_en, i2=self.cpu.video_color_en, o=video_data.de, clk=clk_video) - for i in range(self.cpu.video_color.nbits): - self.specials += DDROutput(i1=self.cpu.video_color[i], i2=self.cpu.video_color[i], o=video_data.d[i], clk=clk_video) + clk_video = self.crg.cd_video.clk + self.comb += self.cpu.video_clk.eq(self.crg.cd_video.clk) + video_data = platform.request("hdmi_data") + self.specials += DDROutput(i1=Signal(reset=0b0), i2=Signal(reset=0b1), o=video_data.clk, clk=clk_video) + self.specials += DDROutput(i1=self.cpu.video_color_en, i2=self.cpu.video_color_en, o=video_data.de, clk=clk_video) + for i in range(self.cpu.video_color.nbits): + self.specials += DDROutput(i1=self.cpu.video_color[i], i2=self.cpu.video_color[i], o=video_data.d[i], clk=clk_video) - video_sync = platform.request("hdmi_sync") - self.specials += SDRTristate(io=video_sync.vsync, o=Signal(reset=0b0), oe=self.cpu.video_vsync, i=Signal(), clk=clk_video) - self.specials += SDRTristate(io=video_sync.hsync, o=Signal(reset=0b0), oe=self.cpu.video_hsync, i=Signal(), clk=clk_video) + video_sync = platform.request("hdmi_sync") + self.specials += SDRTristate(io=video_sync.vsync, o=Signal(reset=0b0), oe=self.cpu.video_vsync, i=Signal(), clk=clk_video) + self.specials += SDRTristate(io=video_sync.hsync, o=Signal(reset=0b0), oe=self.cpu.video_hsync, i=Signal(), clk=clk_video) + + # _debug_io = [ + # ("debug_io", 0, + # Subsignal("p0", Pins("pmod2:0")), + # Subsignal("p1", Pins("pmod2:1")), + # Subsignal("p2", Pins("pmod2:2")), + # Subsignal("p3", Pins("pmod2:3")), + # Subsignal("p4", Pins("pmod2:4")), + # Subsignal("p5", Pins("pmod2:5")), + # Subsignal("p6", Pins("pmod2:6")), + # Subsignal("p7", Pins("pmod2:7")), + # IOStandard("3.3_V_LVCMOS"), + # ) + # ] - _debug_io = [ - ("debug_io", 0, - Subsignal("p0", Pins("pmod2:0")), - Subsignal("p1", Pins("pmod2:1")), - Subsignal("p2", Pins("pmod2:2")), - Subsignal("p3", Pins("pmod2:3")), - Subsignal("p4", Pins("pmod2:4")), - Subsignal("p5", Pins("pmod2:5")), - Subsignal("p6", Pins("pmod2:6")), - Subsignal("p7", Pins("pmod2:7")), - IOStandard("3.3_V_LVCMOS"), - ) - ] - self.platform.add_extension(_debug_io) - debug_io = platform.request("debug_io") - self. comb += debug_io.p0.eq(video_data.clk) - self. comb += debug_io.p1.eq(self.videoi2c._w.fields.scl) - self. comb += debug_io.p2.eq(self.videoi2c._r.fields.sda) - self. comb += debug_io.p3.eq(self.cpu.video_color_en) - self. comb += debug_io.p4.eq(self.cpu.video_vsync) - self. comb += debug_io.p5.eq(self.cpu.video_hsync) - self. comb += debug_io.p6.eq(self.crg.cd_sys.clk) - self.comb += debug_io.p7.eq(self.crg.cd_sys.clk) # LPDDR4 SDRAM ----------------------------------------------------------------------------- if not self.integrated_main_ram_size: @@ -221,6 +234,19 @@ class BaseSoC(SoCCore): data_width = 512 axi_bus = axi.AXIInterface(data_width=data_width, address_width=30, id_width=8) # 256MB. + + # self.platform.add_extension(_debug_io) + # debug_io = platform.request("debug_io") + # self.sync += debug_io.p0.eq(axi_bus.ar.valid) + # self.sync += debug_io.p1.eq(axi_bus.r.valid) + # self.sync += debug_io.p2.eq(axi_bus.ar.ready) + # self.sync += debug_io.p3.eq(axi_bus.r.ready) + # self.sync += debug_io.p4.eq(axi_bus.aw.valid) + # self.sync += debug_io.p5.eq(axi_bus.b.valid) + # self.sync += debug_io.p6.eq(axi_bus.aw.ready) + # self.sync += debug_io.p7.eq(axi_bus.b.ready) + + axi_clk = self.crg.cd_cpu.clk.name_override class DRAMXMLBlock(InterfaceWriterXMLBlock): @staticmethod def generate(root, namespaces): @@ -248,7 +274,7 @@ class BaseSoC(SoCCore): axi_target0 = et.SubElement(ddr, "efxpt:axi_target0",is_axi_width_256="false", is_axi_enable="true") gen_pin_target0 = et.SubElement(axi_target0, "efxpt:gen_pin_axi") - et.SubElement(gen_pin_target0, "efxpt:pin", name="cd_sys_clkout", type_name=f"ACLK_0", is_bus="false", is_clk="true", is_clk_invert="false") + et.SubElement(gen_pin_target0, "efxpt:pin", name=axi_clk, type_name=f"ACLK_0", is_bus="false", is_clk="true", is_clk_invert="false") et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_ar_apcmd", type_name="ARAPCMD_0", is_bus="false") et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_ar_ready", type_name="ARREADY_0", is_bus="false") et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_ar_valid", type_name="ARVALID_0", is_bus="false") @@ -291,7 +317,7 @@ class BaseSoC(SoCCore): axi_target1 = et.SubElement(ddr, "efxpt:axi_target1",is_axi_width_256="false", is_axi_enable="false") gen_pin_target1 = et.SubElement(axi_target1, "efxpt:gen_pin_axi") - et.SubElement(gen_pin_target1, "efxpt:pin", name="cd_sys_clkout", type_name=f"ACLK_1", is_bus="false", is_clk="true", is_clk_invert="false") + et.SubElement(gen_pin_target1, "efxpt:pin", name=axi_clk, type_name=f"ACLK_1", is_bus="false", is_clk="true", is_clk_invert="false") et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_ar_apcmd", type_name="ARAPCMD_1", is_bus="false") et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_ar_ready", type_name="ARREADY_1", is_bus="false") et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_ar_valid", type_name="ARVALID_1", is_bus="false") @@ -530,6 +556,13 @@ class BaseSoC(SoCCore): Subsignal("resetn", Pins(1)), )] + if hasattr(self.cpu, "add_memory_buses"): + self.cpu.add_memory_buses(address_width = 32, data_width = data_width) + + assert len(self.cpu.memory_buses) == 1 + mbus = self.cpu.memory_buses[0] + self.comb +=mbus.connect(axi_bus) + io = platform.add_iface_ios(ios) self.comb += [ io.ar_valid.eq(axi_bus.ar.valid), @@ -552,7 +585,7 @@ class BaseSoC(SoCCore): io.aw_lock.eq(axi_bus.aw.lock), io.aw_cache.eq(axi_bus.aw.cache), io.aw_qos.eq(axi_bus.aw.qos), - io.aw_allstrb.eq(0), + io.aw_allstrb.eq(0 if not hasattr(self.cpu, "mBus_awallStrb") else self.cpu.mBus_awallStrb), io.aw_apcmd.eq(0), io.awcobuf.eq(0), io.w_valid.eq(axi_bus.w.valid), @@ -572,13 +605,6 @@ class BaseSoC(SoCCore): axi_bus.r.last.eq(io.r_last), io.resetn.eq(~self.crg.cd_sys.rst), ] - - if hasattr(self.cpu, "add_memory_buses"): - self.cpu.add_memory_buses(address_width = 32, data_width = data_width) - - assert len(self.cpu.memory_buses) == 1 - mbus = self.cpu.memory_buses[0] - self.comb +=mbus.connect(axi_bus) cfgs = [(f"cfg", 0, Subsignal("start", Pins(1)), @@ -612,6 +638,8 @@ class BaseSoC(SoCCore): def main(): from litex.build.parser import LiteXArgumentParser parser = LiteXArgumentParser(platform=efinix_ti375_c529_dev_kit.Platform, description="LiteX SoC on Efinix Ti375 C529 Dev Kit.") + parser.add_target_argument("--sys-clk-freq", default=100e6, type=float, help="System clock frequency.") + parser.add_target_argument("--cpu-clk-freq", default=100e6, type=float, help="System clock frequency.") parser.add_target_argument("--with-ohci", action="store_true", help="Enable USB OHCI.") sdopts = parser.target_group.add_mutually_exclusive_group() sdopts.add_argument("--with-spi-sdcard", action="store_true", help="Enable SPI-mode SDCard support.") @@ -619,6 +647,8 @@ def main(): args = parser.parse_args() soc = BaseSoC( + sys_clk_freq = args.sys_clk_freq, + cpu_clk_freq = args.cpu_clk_freq, with_ohci = args.with_ohci, **parser.soc_argdict) if args.with_spi_sdcard: