# This file is Copyright (c) 2018-2019 Florent Kermarrec # License: BSD { # General ------------------------------------------------------------------ "cpu": "vexriscv", # Type of CPU used for init/calib (vexriscv, lm32) "speedgrade": -1, # FPGA speedgrade "memtype": "DDR2", # DRAM type # PHY ---------------------------------------------------------------------- "cmd_delay": 0, # Command additional delay (in taps) "cmd_latency": 0, # Command additional latency "sdram_module": "MT47H64M16", # 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": "A7DDRPHY", # Type of FPGA PHY # Frequency ---------------------------------------------------------------- "input_clk_freq": 100e6, # Input clock frequency "sys_clk_freq": 100e6, # System clock frequency (DDR_clk = 4 x sys_clk) "iodelay_clk_freq": 200e6, # IODELAYs reference clock frequency # Core --------------------------------------------------------------------- "cmd_buffer_depth": 16, # Depth of the command buffer # User Ports --------------------------------------------------------------- "user_ports_nb": 2, # Number of user ports "user_ports_type": "axi", # Type of ports (axi, wishbone, native) "user_ports_id_width": 32, # AXI identifier width # CSR Port ----------------------------------------------------------------- "csr_expose": "no", # Expose CSR bus as I/Os "csr_align" : 32, # CSR alignment }