techlibs/ecp5/brams_connect.py

   1 #!/usr/bin/env python3
   2
   3 def write_bus_ports(f, ada_bits, adb_bits, dia_bits, dob_bits):
   4     ada_conn = [".ADA%d(%s)" % (i, ada_bits[i]) for i in range(len(ada_bits))]
   5     adb_conn = [".ADB%d(%s)" % (i, adb_bits[i]) for i in range(len(adb_bits))]
   6     dia_conn = [".DIA%d(%s)" % (i, dia_bits[i]) for i in range(len(dia_bits))]
   7     dob_conn = [".DOB%d(%s)" % (i, dob_bits[i]) for i in range(len(dob_bits))]
   8     print("    %s," % ", ".join(ada_conn), file=f)
   9     print("    %s," % ", ".join(adb_conn), file=f)
  10     print("    %s," % ", ".join(dia_conn), file=f)
  11     print("    %s," % ", ".join(dob_conn), file=f)
  12
  13 def write_bus_ports_pdp(f, adw_bits, adr_bits, di_bits, do_bits, be_bits):
  14     adw_conn = [".ADW%d(%s)" % (i, adw_bits[i]) for i in range(len(adw_bits))]
  15     adr_conn = [".ADR%d(%s)" % (i, adr_bits[i]) for i in range(len(adr_bits))]
  16     di_conn = [".DI%d(%s)" % (i, di_bits[i]) for i in range(len(di_bits))]
  17     do_conn = [".DO%d(%s)" % (i, do_bits[i]) for i in range(len(do_bits))]
  18     be_conn = [".BE%d(%s)" % (i, be_bits[i]) for i in range(len(be_bits))]
  19     print("    %s," % ", ".join(adw_conn), file=f)
  20     print("    %s," % ", ".join(adr_conn), file=f)
  21     print("    %s," % ", ".join(di_conn), file=f)
  22     print("    %s," % ", ".join(do_conn), file=f)
  23     print("    %s," % ", ".join(be_conn), file=f)
  24
  25 with open("techlibs/ecp5/bram_conn_1.vh", "w") as f:
  26     ada_bits = ["A1ADDR[%d]" % i for i in range(14)]
  27     adb_bits = ["B1ADDR[%d]" % i for i in range(14)]
  28     dia_bits = ["A1DATA[0]"] + ["1'b0" for i in range(17)]
  29     dob_bits = ["B1DATA[0]"]
  30     write_bus_ports(f, ada_bits, adb_bits, dia_bits, dob_bits)
  31
  32 with open("techlibs/ecp5/bram_conn_2.vh", "w") as f:
  33     ada_bits = ["1'b0"] + ["A1ADDR[%d]" % i for i in range(13)]
  34     adb_bits = ["1'b0"] + ["B1ADDR[%d]" % i for i in range(13)]
  35     dia_bits = ["A1DATA[%d]" % i for i in range(2)] + ["1'b0" for i in range(16)]
  36     dob_bits = ["B1DATA[%d]" % i for i in range(2)]
  37     write_bus_ports(f, ada_bits, adb_bits, dia_bits, dob_bits)
  38
  39 with open("techlibs/ecp5/bram_conn_4.vh", "w") as f:
  40     ada_bits = ["1'b0", "1'b0"] + ["A1ADDR[%d]" % i for i in range(12)]
  41     adb_bits = ["1'b0", "1'b0"] + ["B1ADDR[%d]" % i for i in range(12)]
  42     dia_bits = ["A1DATA[%d]" % i for i in range(4)] + ["1'b0" for i in range(14)]
  43     dob_bits = ["B1DATA[%d]" % i for i in range(4)]
  44     write_bus_ports(f, ada_bits, adb_bits, dia_bits, dob_bits)
  45
  46 with open("techlibs/ecp5/bram_conn_9.vh", "w") as f:
  47     ada_bits = ["1'b0", "1'b0", "1'b0"] + ["A1ADDR[%d]" % i for i in range(11)]
  48     adb_bits = ["1'b0", "1'b0", "1'b0"] + ["B1ADDR[%d]" % i for i in range(11)]
  49     dia_bits = ["A1DATA[%d]" % i for i in range(9)] + ["1'b0" for i in range(9)]
  50     dob_bits = ["B1DATA[%d]" % i for i in range(9)]
  51     write_bus_ports(f, ada_bits, adb_bits, dia_bits, dob_bits)
  52
  53 with open("techlibs/ecp5/bram_conn_18.vh", "w") as f:
  54     ada_bits = ["A1EN[0]", "A1EN[1]", "1'b0", "1'b0"] + ["A1ADDR[%d]" % i for i in range(10)]
  55     adb_bits = ["1'b0", "1'b0", "1'b0", "1'b0"] + ["B1ADDR[%d]" % i for i in range(10)]
  56     dia_bits = ["A1DATA[%d]" % i for i in range(18)]
  57     dob_bits = ["B1DATA[%d]" % i for i in range(18)]
  58     write_bus_ports(f, ada_bits, adb_bits, dia_bits, dob_bits)
  59
  60 with open("techlibs/ecp5/bram_conn_36.vh", "w") as f:
  61     adw_bits = ["A1ADDR[%d]" % i for i in range(9)]
  62     adr_bits = ["1'b0", "1'b0", "1'b0", "1'b0", "1'b0"] + ["B1ADDR[%d]" % i for i in range(9)]
  63     di_bits = ["A1DATA[%d]" % i for i in range(36)]
  64     do_bits = ["B1DATA[%d]" % (i + 18) for i in range(18)] + ["B1DATA[%d]" % i for i in range(18)]
  65     be_bits = ["A1EN[%d]" % i for i in range(4)]
  66     write_bus_ports_pdp(f, adw_bits, adr_bits, di_bits, do_bits, be_bits)