512 lines
38 KiB
Python
Executable File
512 lines
38 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# This file is part of LiteX-Boards.
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#
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# Copyright (c) 2021 Franck Jullien <franck.jullien@collshade.fr>
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# Copyright (c) 2021 Florent Kermarrec <florent@enjoy-digital.fr>
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# SPDX-License-Identifier: BSD-2-Clause
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from migen import *
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from migen.genlib.resetsync import AsyncResetSynchronizer
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from litex.gen import *
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from litex_boards.platforms import efinix_ti375_c529_dev_kit
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from litex.soc.cores.clock import *
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from litex.soc.integration.soc_core import *
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from litex.soc.integration.soc import SoCRegion
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from litex.soc.integration.builder import *
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from litex.soc.cores.led import LedChaser
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from litex.soc.interconnect import axi
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from liteeth.phy.trionrgmii import LiteEthPHYRGMII
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from litex.build.generic_platform import Subsignal, Pins, Misc, IOStandard
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# CRG ----------------------------------------------------------------------------------------------
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class _CRG(LiteXModule):
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def __init__(self, platform, sys_clk_freq):
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#self.rst = Signal()
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self.cd_sys = ClockDomain()
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# # #
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clk100 = platform.request("clk100")
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rst_n = platform.request("user_btn", 0)
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# PLL
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self.pll = pll = TITANIUMPLL(platform)
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self.comb += pll.reset.eq(~rst_n)
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pll.register_clkin(clk100, 100e6)
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# You can use CLKOUT0 only for clocks with a maximum frequency of 4x
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# (integer) of the reference clock. If all your system clocks do not fall within
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# this range, you should dedicate one unused clock for CLKOUT0.
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pll.create_clkout(None, 100e6)
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pll.create_clkout(self.cd_sys, sys_clk_freq, with_reset=True, name="cd_sys_clkout")
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pll.create_clkout(None, 100e6)
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pll.create_clkout(None, 800e6, name="dram_clk") # LPDDR4 ctrl
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# BaseSoC ------------------------------------------------------------------------------------------
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class BaseSoC(SoCCore):
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def __init__(self, sys_clk_freq=100e6,
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**kwargs):
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platform = efinix_ti375_c529_dev_kit.Platform()
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# CRG --------------------------------------------------------------------------------------
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self.crg = _CRG(platform, sys_clk_freq)
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# SoCCore ----------------------------------------------------------------------------------
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SoCCore.__init__(self, platform, sys_clk_freq, ident="LiteX SoC on Efinix Ti375 C529 Dev Kit", **kwargs)
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# LPDDR4 SDRAM -----------------------------------------------------------------------------
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if not self.integrated_main_ram_size:
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# DRAM / PLL Blocks.
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# ------------------
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dram_pll_refclk = platform.request("dram_pll_refclk")
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platform.toolchain.excluded_ios.append(dram_pll_refclk)
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self.platform.toolchain.additional_sdc_commands.append(f"create_clock -period {1e9/100e6} dram_pll_refclk")
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from litex.build.efinix import InterfaceWriterBlock, InterfaceWriterXMLBlock
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import xml.etree.ElementTree as et
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# class PLLDRAMBlock(InterfaceWriterBlock):
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# @staticmethod
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# def generate():
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# return """
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# design.create_block("dram_pll", block_type="PLL")
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# design.set_property("dram_pll", {"REFCLK_FREQ":"100.0"}, block_type="PLL")
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# design.gen_pll_ref_clock("dram_pll", pll_res="PLL_BL0", refclk_src="EXTERNAL", refclk_name="dram_pll_clkin", ext_refclk_no="0")
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# design.set_property("dram_pll","LOCKED_PIN","dram_pll_locked", block_type="PLL")
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# design.set_property("dram_pll","RSTN_PIN","dram_pll_rst_n", block_type="PLL")
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# design.set_property("dram_pll", {"CLKOUT0_PIN" : "dram_pll_CLKOUT0"}, block_type="PLL")
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# design.set_property("dram_pll","CLKOUT0_PHASE","0","PLL")
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# calc_result = design.auto_calc_pll_clock("dram_pll", {"CLKOUT0_FREQ": "400.0"})
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# """
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# platform.toolchain.ifacewriter.blocks.append(PLLDRAMBlock())
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data_width = 512
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axi_bus = axi.AXIInterface(data_width=data_width, address_width=28, id_width=8) # 256MB.
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class DRAMXMLBlock(InterfaceWriterXMLBlock):
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@staticmethod
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def generate(root, namespaces):
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# CHECKME: Switch to DDRDesignService?
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ddr_info = root.find("efxpt:ddr_info", namespaces)
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ddr = et.SubElement(ddr_info, "efxpt:adv_ddr",
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name = "ddr_inst1",
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ddr_def = "DDR_0",
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clkin_sel="0",
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data_width="32",
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physical_rank="1",
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mem_type="LPDDR4x",
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mem_density="8G"
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# cs_preset_id = "173",
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# cs_mem_type = "LPDDR3",
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# cs_ctrl_width = "x32",
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# cs_dram_width = "x32",
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# cs_dram_density = "8G",
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# cs_speedbin = "800",
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# target0_enable = "true",
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# target1_enable = "true",
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# ctrl_type = "none"
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)
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axi_target0 = et.SubElement(ddr, "efxpt:axi_target0",is_axi_width_256="false", is_axi_enable="true")
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gen_pin_target0 = et.SubElement(axi_target0, "efxpt:gen_pin_axi")
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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")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_ar_apcmd", type_name="ARAPCMD_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_ar_ready", type_name="ARREADY_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_ar_valid", type_name="ARVALID_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_ar_qos", type_name="ARQOS_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_aw_apcmd", type_name="AWAPCMD_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_aw_allstrb", type_name="AWALLSTRB_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_awcobuf", type_name="AWCOBUF_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_aw_ready", type_name="AWREADY_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_aw_valid", type_name="AWVALID_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_aw_lock", type_name="AWLOCK_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_aw_qos", type_name="AWQOS_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_b_ready", type_name="BREADY_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_b_valid", type_name="BVALID_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_r_last", type_name="RLAST_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_r_ready", type_name="RREADY_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_r_valid", type_name="RVALID_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_w_last", type_name="WLAST_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_w_ready", type_name="WREADY_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_w_valid", type_name="WVALID_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_ar_addr", type_name="ARADDR_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_ar_burst", type_name="ARBURST_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_ar_id", type_name="ARID_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_ar_len", type_name="ARLEN_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_ar_size", type_name="ARSIZE_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_ar_lock", type_name="ARLOCK_0", is_bus="false")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_aw_addr", type_name="AWADDR_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_aw_burst", type_name="AWBURST_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_aw_id", type_name="AWID_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_aw_len", type_name="AWLEN_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_aw_size", type_name="AWSIZE_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_aw_cache", type_name="AWCACHE_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_b_id", type_name="BID_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_b_resp", type_name="BRESP_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_r_data", type_name="RDATA_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_r_id", type_name="RID_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_r_resp", type_name="RRESP_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_w_data", type_name="WDATA_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_w_strb", type_name="WSTRB_0", is_bus="true")
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et.SubElement(gen_pin_target0, "efxpt:pin", name="ddr0_resetn", type_name="ARSTN_0", is_bus="false")
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axi_target1 = et.SubElement(ddr, "efxpt:axi_target1",is_axi_width_256="false", is_axi_enable="false")
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gen_pin_target1 = et.SubElement(axi_target1, "efxpt:gen_pin_axi")
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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")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_ar_apcmd", type_name="ARAPCMD_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_ar_ready", type_name="ARREADY_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_ar_valid", type_name="ARVALID_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_ar_qos", type_name="ARQOS_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_aw_apcmd", type_name="AWAPCMD_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_aw_allstrb", type_name="AWALLSTRB_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_awcobuf", type_name="AWCOBUF_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_aw_ready", type_name="AWREADY_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_aw_valid", type_name="AWVALID_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_aw_lock", type_name="AWLOCK_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_aw_qos", type_name="AWQOS_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_b_ready", type_name="BREADY_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_b_valid", type_name="BVALID_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_r_last", type_name="RLAST_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_r_ready", type_name="RREADY_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_r_valid", type_name="RVALID_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_w_last", type_name="WLAST_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_w_ready", type_name="WREADY_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_w_valid", type_name="WVALID_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_ar_addr", type_name="ARADDR_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_ar_burst", type_name="ARBURST_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_ar_id", type_name="ARID_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_ar_len", type_name="ARLEN_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_ar_size", type_name="ARSIZE_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_ar_lock", type_name="ARLOCK_1", is_bus="false")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_aw_addr", type_name="AWADDR_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_aw_burst", type_name="AWBURST_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_aw_id", type_name="AWID_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_aw_len", type_name="AWLEN_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_aw_size", type_name="AWSIZE_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_aw_cache", type_name="AWCACHE_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_b_id", type_name="BID_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_b_resp", type_name="BRESP_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_r_data", type_name="RDATA_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_r_id", type_name="RID_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_r_resp", type_name="RRESP_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_w_data", type_name="WDATA_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_w_strb", type_name="WSTRB_1", is_bus="true")
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et.SubElement(gen_pin_target1, "efxpt:pin", name="ddr1_resetn", type_name="ARSTN_1", is_bus="false")
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gen_pin_controller = et.SubElement(ddr, "efxpt:gen_pin_controller")
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et.SubElement(gen_pin_controller,"efxpt:pin", name="", type_name="CTRL_CLK", is_bus="false", is_clk="true", is_clk_invert="false")
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et.SubElement(gen_pin_controller,"efxpt:pin", name="", type_name="CTRL_INT", is_bus="false")
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et.SubElement(gen_pin_controller,"efxpt:pin", name="", type_name="CTRL_MEM_RST_VALID", is_bus="false")
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et.SubElement(gen_pin_controller,"efxpt:pin", name="", type_name="CTRL_REFRESH", is_bus="false")
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et.SubElement(gen_pin_controller,"efxpt:pin", name="", type_name="CTRL_BUSY", is_bus="false")
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et.SubElement(gen_pin_controller,"efxpt:pin", name="", type_name="CTRL_CMD_Q_ALMOST_FULL", is_bus="false")
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et.SubElement(gen_pin_controller,"efxpt:pin", name="", type_name="CTRL_DP_IDLE", is_bus="false")
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et.SubElement(gen_pin_controller,"efxpt:pin", name="", type_name="CTRL_CKE", is_bus="true")
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et.SubElement(gen_pin_controller,"efxpt:pin", name="", type_name="CTRL_PORT_BUSY", is_bus="true")
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gen_pin_cfg_ctrl = et.SubElement(ddr, "efxpt:gen_pin_cfg_ctrl")
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et.SubElement(gen_pin_cfg_ctrl,"efxpt:pin", name="cfg_done", type_name="CFG_DONE", is_bus="false")
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et.SubElement(gen_pin_cfg_ctrl,"efxpt:pin", name="cfg_start", type_name="CFG_START", is_bus="false")
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et.SubElement(gen_pin_cfg_ctrl,"efxpt:pin", name="cfg_reset", type_name="CFG_RESET", is_bus="false")
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et.SubElement(gen_pin_cfg_ctrl,"efxpt:pin", name="cfg_sel", type_name="CFG_SEL", is_bus="false")
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ctrl_reg_inf = et.SubElement(ddr, "efxpt:ctrl_reg_inf", is_reg_ena= "false")
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gen_pin_ctrl_reg_inf = et.SubElement(ctrl_reg_inf, "efxpt:gen_pin_ctrl_reg_inf")
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et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="axi0_ACLK", type_name="CR_ACLK", is_bus="false", is_clk="true", is_clk_invert="false")
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et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regARESETn", type_name="CR_ARESETN", is_bus="false")
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et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regARVALID", type_name="CR_ARVALID", is_bus="false")
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et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regARREADY", type_name="CR_ARREADY", is_bus="false")
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et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regAWVALID", type_name="CR_AWVALID", is_bus="false")
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et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regAWREADY", type_name="CR_AWREADY", is_bus="false")
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et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regBVALID", type_name="CR_BVALID", is_bus="false")
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et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regBREADY", type_name="CR_BREADY", is_bus="false")
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et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regRLAST", type_name="CR_RLAST", is_bus="false")
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et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regRVALID", type_name="CR_RVALID", is_bus="false")
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et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regRREADY", type_name="CR_RREADY", is_bus="false")
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et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regWLAST", type_name="CR_WLAST", is_bus="false")
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et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regWVALID", type_name="CR_WVALID", is_bus="false")
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et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regWREADY", type_name="CR_WREADY", is_bus="false")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regARADDR", type_name="CR_ARADDR", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regARID", type_name="CR_ARID", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regARLEN", type_name="CR_ARLEN", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regARSIZE", type_name="CR_ARSIZE", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regARBURST", type_name="CR_ARBURST", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regAWADDR", type_name="CR_AWADDR", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regAWID", type_name="CR_AWID", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regAWLEN", type_name="CR_AWLEN", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regAWSIZE", type_name="CR_AWSIZE", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regAWBURST", type_name="CR_AWBURST", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regBID", type_name="CR_BID", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regBRESP", type_name="CR_BRESP", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regRDATA", type_name="CR_RDATA", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regRID", type_name="CR_RID", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regRRESP", type_name="CR_RRESP", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regWDATA", type_name="CR_WDATA", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="regWSTRB", type_name="CR_WSTRB", is_bus="true")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="" ,type_name="CFG_PHY_RSTN", is_bus="false")
|
|
et.SubElement(gen_pin_ctrl_reg_inf,"efxpt:pin", name="" ,type_name="CTRL_RSTN", is_bus="false")
|
|
|
|
cs_fpga = et.SubElement(ddr, "efxpt:cs_fpga")
|
|
et.SubElement(cs_fpga,"efxpt:param", name="DQ_PULLDOWN_DRV", value="34.3", value_type="str")
|
|
et.SubElement(cs_fpga,"efxpt:param", name="DQ_PULLDOWN_ODT", value="60", value_type="str")
|
|
et.SubElement(cs_fpga,"efxpt:param", name="DQ_PULLUP_DRV", value="34.3", value_type="str")
|
|
et.SubElement(cs_fpga,"efxpt:param", name="DQ_PULLUP_ODT", value="Hi-Z", value_type="str")
|
|
et.SubElement(cs_fpga,"efxpt:param", name="FPGA_VREF_RANGE0", value="22.040", value_type="float")
|
|
et.SubElement(cs_fpga,"efxpt:param", name="FPGA_VREF_RANGE1", value="23.000", value_type="float")
|
|
et.SubElement(cs_fpga,"efxpt:param", name="MEM_FPGA_VREF_RANGE", value="Range 1", value_type="str")
|
|
|
|
cs_memory = et.SubElement(ddr, "efxpt:cs_memory")
|
|
et.SubElement(cs_memory,"efxpt:param", name="BLEN", value="BL=16 Sequential", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="CA_ODT_CS0", value="RZQ/4", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="CA_ODT_CS1", value="Disable", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="CA_VREF_RANGE0", value="27.200", value_type="float")
|
|
et.SubElement(cs_memory,"efxpt:param", name="CA_VREF_RANGE1", value="22.000", value_type="float")
|
|
et.SubElement(cs_memory,"efxpt:param", name="DQ_ODT_CS0", value="RZQ/4", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="DQ_ODT_CS1", value="Disable", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="DQ_VREF_RANGE0", value="20.000", value_type="float")
|
|
et.SubElement(cs_memory,"efxpt:param", name="DQ_VREF_RANGE1", value="27.200", value_type="float")
|
|
et.SubElement(cs_memory,"efxpt:param", name="MEM_CA_RANGE", value="RANGE[1]", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="MEM_DQ_RANGE", value="RANGE[1]", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="NWR", value="nWR=6", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="ODTD_CA_CS0", value="Obeys ODT_CA Bond Pad", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="ODTD_CA_CS1", value="Obeys ODT_CA Bond Pad", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="ODTE_CK_CS0", value="Override Disabled" ,value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="ODTE_CK_CS1", value="Override Disabled" ,value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="ODTE_CS_CS0", value="Override Disabled" ,value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="ODTE_CS_CS1", value="Override Disabled" ,value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="PDDS_CS0", value="RZQ/6", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="PDDS_CS1", value="RFU", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="RL_DBI_READ", value="Yes", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="RL_DBI_READ_DISABLED", value="RL=6,nRTP=8", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="RL_DBI_READ_ENABLED", value="RL=6,nRTP=8", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="RL_DBI_WRITE", value="Yes", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="WL_SET", value="Set A" ,value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="WL_SET_A", value="WL=4", value_type="str")
|
|
et.SubElement(cs_memory,"efxpt:param", name="WL_SET_B", value="WL=4", value_type="str")
|
|
|
|
cs_memory_timing = et.SubElement(ddr, "efxpt:cs_memory_timing")
|
|
et.SubElement(cs_memory_timing,"efxpt:param", name="tCCD", value="8", value_type="int")
|
|
et.SubElement(cs_memory_timing,"efxpt:param", name="tCCDMW", value="32", value_type="int")
|
|
et.SubElement(cs_memory_timing,"efxpt:param", name="tFAW", value="40.000", value_type="float")
|
|
et.SubElement(cs_memory_timing,"efxpt:param", name="tPPD", value="4", value_type="int")
|
|
et.SubElement(cs_memory_timing,"efxpt:param", name="tRAS", value="42.000", value_type="float")
|
|
et.SubElement(cs_memory_timing,"efxpt:param", name="tRCD", value="18.000", value_type="float")
|
|
et.SubElement(cs_memory_timing,"efxpt:param", name="tRPab", value="21.000", value_type="float")
|
|
et.SubElement(cs_memory_timing,"efxpt:param", name="tRPpb", value="18.000", value_type="float")
|
|
et.SubElement(cs_memory_timing,"efxpt:param", name="tRRD", value="10.000", value_type="float")
|
|
et.SubElement(cs_memory_timing,"efxpt:param", name="tRTP", value="7.500", value_type="float")
|
|
et.SubElement(cs_memory_timing,"efxpt:param", name="tSR", value="15.000", value_type="float")
|
|
et.SubElement(cs_memory_timing,"efxpt:param", name="tWR", value="18.000", value_type="float")
|
|
et.SubElement(cs_memory_timing,"efxpt:param", name="tWTR", value="10.000", value_type="float")
|
|
|
|
|
|
pin_swap = et.SubElement(ddr, "efxpt:pin_swap")
|
|
et.SubElement(pin_swap,"efxpt:param", name="CA[0]", value="CA[0]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="CA[1]", value="CA[1]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="CA[2]", value="CA[2]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="CA[3]", value="CA[3]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="CA[4]", value="CA[4]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="CA[5]", value="CA[5]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DM[0]", value="DM[0]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DM[1]", value="DM[1]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DM[2]", value="DM[2]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DM[3]", value="DM[3]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[0]", value="DQ[3]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[10]", value="DQ[12]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[11]", value="DQ[11]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[12]", value="DQ[8]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[13]", value="DQ[10]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[14]", value="DQ[13]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[15]", value="DQ[14]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[16]", value="DQ[22]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[17]", value="DQ[17]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[18]", value="DQ[18]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[19]", value="DQ[19]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[1]", value="DQ[6]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[20]", value="DQ[16]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[21]", value="DQ[20]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[22]", value="DQ[21]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[23]", value="DQ[23]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[24]", value="DQ[29]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[25]", value="DQ[31]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[26]", value="DQ[28]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[27]", value="DQ[30]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[28]", value="DQ[25]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[29]", value="DQ[27]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[2]", value="DQ[4]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[30]", value="DQ[26]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[31]", value="DQ[24]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[3]", value="DQ[5]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[4]", value="DQ[0]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[5]", value="DQ[1]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[6]", value="DQ[7]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[7]", value="DQ[2]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[8]", value="DQ[15]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="DQ[9]", value="DQ[9]", value_type="str")
|
|
et.SubElement(pin_swap,"efxpt:param", name="ENABLE_PIN_SWAP", value="true", value_type="bool")
|
|
|
|
platform.toolchain.ifacewriter.xml_blocks.append(DRAMXMLBlock())
|
|
|
|
# DRAM Rst.
|
|
# ---------
|
|
#dram_pll_rst_n = platform.add_iface_io("dram_pll_rst_n")
|
|
#self.comb += dram_pll_rst_n.eq(platform.request("user_btn", 1))
|
|
|
|
# DRAM AXI-Ports.
|
|
# --------------
|
|
ios = [(f"ddr0", 0,
|
|
Subsignal("ar_valid", Pins(1)), #
|
|
Subsignal("ar_ready", Pins(1)), #
|
|
Subsignal("ar_addr", Pins(33)), #32:0]
|
|
Subsignal("ar_id", Pins(6)), #5:0]
|
|
Subsignal("ar_len", Pins(8)), #7:0]
|
|
Subsignal("ar_size", Pins(3)), #2:0]
|
|
Subsignal("ar_burst", Pins(2)), #1:0]
|
|
Subsignal("ar_lock", Pins(1)), #
|
|
Subsignal("ar_apcmd", Pins(1)), #
|
|
Subsignal("ar_qos", Pins(1)), #
|
|
Subsignal("aw_valid", Pins(1)), #
|
|
Subsignal("aw_ready", Pins(1)), #
|
|
Subsignal("aw_addr", Pins(33)), #32:0]
|
|
Subsignal("aw_id", Pins(6)), #5:0]
|
|
Subsignal("aw_len", Pins(8)), #7:0]
|
|
Subsignal("aw_size", Pins(3)), #2:0]
|
|
Subsignal("aw_burst", Pins(2)), #1:0]
|
|
Subsignal("aw_lock", Pins(1)), #
|
|
Subsignal("aw_cache", Pins(4)), #3:0]
|
|
Subsignal("aw_qos", Pins(1)), #
|
|
Subsignal("aw_allstrb", Pins(1)), #
|
|
Subsignal("aw_apcmd", Pins(1)), #
|
|
Subsignal("awcobuf", Pins(1)), #
|
|
Subsignal("w_valid", Pins(1)), #
|
|
Subsignal("w_ready", Pins(1)), #
|
|
Subsignal("w_data", Pins(data_width)), #512-1:0]
|
|
Subsignal("w_strb", Pins(data_width//8)), #64-1:0]
|
|
Subsignal("w_last", Pins(1)), #
|
|
Subsignal("b_valid", Pins(1)), #
|
|
Subsignal("b_ready", Pins(1)), #
|
|
Subsignal("b_resp", Pins(1)), #1:0]
|
|
Subsignal("b_id", Pins(6)), #5:0]
|
|
Subsignal("r_valid", Pins(1)), #
|
|
Subsignal("r_ready", Pins(1)), #
|
|
Subsignal("r_data", Pins(data_width)), #512-1:0]
|
|
Subsignal("r_id", Pins(6)), #5:0]
|
|
Subsignal("r_resp", Pins(2)), #1:0]
|
|
Subsignal("r_last", Pins(1)), #
|
|
)]
|
|
|
|
io = platform.add_iface_ios(ios)
|
|
self.comb += [
|
|
io.ar_valid.eq(axi_bus.ar.valid),
|
|
axi_bus.ar.ready.eq(io.ar_ready),
|
|
io.ar_addr.eq(axi_bus.ar.addr),
|
|
io.ar_id.eq(axi_bus.ar.id),
|
|
io.ar_len.eq(axi_bus.ar.len),
|
|
io.ar_size.eq(axi_bus.ar.size),
|
|
io.ar_burst.eq(axi_bus.ar.burst),
|
|
io.ar_lock.eq(axi_bus.ar.lock),
|
|
io.ar_apcmd.eq(0),
|
|
io.ar_qos.eq(axi_bus.ar.qos),
|
|
io.aw_valid.eq(axi_bus.aw.valid),
|
|
axi_bus.aw.ready.eq(io.aw_ready),
|
|
io.aw_addr.eq(axi_bus.aw.addr),
|
|
io.aw_id.eq(axi_bus.aw.id),
|
|
io.aw_len.eq(axi_bus.aw.len),
|
|
io.aw_size.eq(axi_bus.aw.size),
|
|
io.aw_burst.eq(axi_bus.aw.burst),
|
|
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_apcmd.eq(0),
|
|
io.awcobuf.eq(0),
|
|
io.w_valid.eq(axi_bus.w.valid),
|
|
axi_bus.w.ready.eq(io.w_ready),
|
|
io.w_data.eq(axi_bus.w.data),
|
|
io.w_strb.eq(axi_bus.w.strb),
|
|
io.w_last.eq(axi_bus.w.last),
|
|
axi_bus.b.valid.eq(io.b_valid),
|
|
io.b_ready.eq(axi_bus.b.ready),
|
|
axi_bus.b.resp.eq(io.b_resp),
|
|
axi_bus.b.id.eq(io.b_id),
|
|
axi_bus.r.valid.eq(io.r_valid),
|
|
io.r_ready.eq(axi_bus.r.ready),
|
|
axi_bus.r.data.eq(io.r_data),
|
|
axi_bus.r.id.eq(io.r_id),
|
|
axi_bus.r.resp.eq(io.r_resp),
|
|
axi_bus.r.last.eq(io.r_last),
|
|
]
|
|
|
|
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)),
|
|
Subsignal("reset", Pins(1)),
|
|
Subsignal("sel", Pins(1)),
|
|
Subsignal("done", Pins(1)),
|
|
)]
|
|
|
|
cfg = platform.add_iface_ios(cfgs)
|
|
self.cfg_state = Signal(1, reset=0)
|
|
self.cfg_count = Signal(8, reset=0)
|
|
|
|
self.comb += [
|
|
cfg.sel.eq(0),
|
|
cfg.reset.eq(self.cfg_state == 0),
|
|
cfg.start.eq(self.cfg_state != 0),
|
|
]
|
|
|
|
self.sync += self.cfg_count.eq(self.cfg_count + (self.cfg_count != 0xFF))
|
|
self.sync += self.cfg_state.eq(self.cfg_state | (self.cfg_count == 0xFF))
|
|
|
|
|
|
|
|
# Connect AXI interface to the main bus of the SoC.
|
|
# axi_lite_port = axi.AXILiteInterface(data_width=data_width, address_width=28)
|
|
# self.submodules += axi.AXILite2AXI(axi_lite_port, axi_port)
|
|
# self.bus.add_slave(f"target{n}", axi_lite_port, SoCRegion(origin=0x4000_0000 + 0x1000_0000*n, size=0x1000_0000)) # 256MB.
|
|
|
|
# Use DRAM's target0 port as Main Ram -----------------------------------------------------
|
|
self.bus.add_region("main_ram", SoCRegion(
|
|
origin = 0x4000_0000,
|
|
size = 0x1000_0000, # 256MB.
|
|
mode="rwx",
|
|
))
|
|
|
|
# Build --------------------------------------------------------------------------------------------
|
|
|
|
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.")
|
|
args = parser.parse_args()
|
|
|
|
soc = BaseSoC(
|
|
**parser.soc_argdict)
|
|
builder = Builder(soc, **parser.builder_argdict)
|
|
if args.build:
|
|
builder.build(**parser.toolchain_argdict)
|
|
|
|
if args.load:
|
|
prog = soc.platform.create_programmer()
|
|
prog.load_bitstream(builder.get_bitstream_filename(mode="sram"))
|
|
|
|
# if args.flash:
|
|
# from litex.build.openfpgaloader import OpenFPGALoader
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# prog = OpenFPGALoader("titanium_ti375_c529")
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# prog.flash(0, builder.get_bitstream_filename(mode="flash", ext=".hex")) # FIXME
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if __name__ == "__main__":
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main()
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