# This file is Copyright (c) 2018-2019 Florent Kermarrec # License: BSD { # General ------------------------------------------------------------------ "platform": "ecp5", # Platform type "cpu": None, # Type of CPU used for init/calib (vexriscv, lm32) # 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, }, }, # CSR Port ----------------------------------------------------------------- "csr_expose": "False", # Expose CSR bus as I/Os "csr_align" : 32, # CSR alignment }