litedram/examples/versa_ecp5.yml

#
# This file is part of LiteDRAM.
#
# Copyright (c) 2020 Stefan Schrijvers <ximin@ximinity.net>
# SPDX-License-Identifier: BSD-2-Clause

{
    # General ------------------------------------------------------------------
    "device":  "LFE5UM5G-45F-8BG381C", # FPGA device.
    "cpu":     "vexriscv",             # CPU type (ex vexriscv, serv, None)
    "memtype": "DDR3",                 # DRAM type
    "uart":    "rs232",                # Type of UART interface (rs232, fifo)

    # PHY ----------------------------------------------------------------------
    "sdram_module":    "MT41K64M16",  # SDRAM modules of the board or SO-DIMM
    "sdram_module_nb": 2,             # Number of byte groups
    "sdram_rank_nb":   1,             # Number of ranks
    "sdram_phy":       "ECP5DDRPHY",  # Type of FPGA PHY

    # Frequency ----------------------------------------------------------------
    "input_clk_freq":   100e6, # Input clock frequency
    "sys_clk_freq":     50e6,  # System clock frequency (DDR_clk = 4 x sys_clk)
    "init_clk_freq":    25e6,  # Init clock frequency

    # Core ---------------------------------------------------------------------
    "cmd_buffer_depth": 16,    # Depth of the command buffer

    # User Ports ---------------------------------------------------------------
    "user_ports": {
        "axi_0" : {
            "type": "axi",
            "id_width": 32,
        },
        "wishbone_0" : {
            "type": "wishbone",
        },
        "native_0" : {
            "type": "native",
        },
        "fifo_0" : {
            "type":  "fifo",
            "base":  0x00000000,
            "depth": 0x01000000,
        },
    },
}