# # This file is part of LiteDRAM. # # Copyright (c) 2020 Stefan Schrijvers # 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, }, }, }