litedram/examples/arty_config.py

35 lines
661 B
Python

from litedram.modules import MT41K128M16
from litedram.phy import A7DDRPHY
core_config = {
# cpu
"cpu": "picorv32",
# modules / phy
"sdram_module": MT41K128M16,
"sdram_module_nb": 1,
"sdram_rank_nb": 1,
"sdram_phy": A7DDRPHY,
# electrical
"rtt_nom": "60ohm",
"rtt_wr": "60ohm",
"ron": "34ohm",
# freqs
"input_clk_freq": 100e6,
"sys_clk_freq": 100e6,
"dram_clk_freq": 400e6,
"iodelay_clk_freq": 200e6,
# controller
"cmd_buffer_depth": 16,
"write_time": 16,
"read_time": 32,
# user_ports
"user_ports_nb": 1,
"user_ports_type": "axi",
"user_ports_id_width": 8
}