src/bsv/peripheral_gen/jtag.py

   1 from bsv.peripheral_gen.base import PBase
   2
   3
   4 class jtag(PBase):
   5
   6     def slowimport(self):
   7         return "import jtagdtm::*;\n"
   8
   9     def extfastifinstance(self, name, count):
  10         return self._extifinstance(name, count, "_out", "", True)
  11
  12     def fastifdecl(self, name, count):
  13         # YUK!
  14         return "interface Ifc_jtagdtm jtag{0}_out;".format(count)
  15
  16     def get_clock_reset(self, name, count):
  17         return "tck, trst"
  18
  19     def pinname_in(self, pname):
  20         return {'tms': 'tms',
  21                 'tdi': 'tdi',
  22                 }.get(pname, '')
  23
  24     def pinname_out(self, pname):
  25         return {'tck': 'tck',
  26                 'tdo': 'tdo',
  27                 }.get(pname, '')
  28
  29     def mkfast_peripheral(self):
  30         return """\
  31 Ifc_jtagdtm jtag{0} <-mkjtagdtm(clocked_by tck, reset_by trst);
  32 rule drive_tmp_scan_outs;
  33     jtag{0}.scan_out_1_i(1'b0);
  34     jtag{0}.scan_out_2_i(1'b0);
  35     jtag{0}.scan_out_3_i(1'b0);
  36     jtag{0}.scan_out_4_i(1'b0);
  37     jtag{0}.scan_out_5_i(1'b0);
  38 endrule
  39 """
  40
  41     def axi_slave_name(self, name, ifacenum, typ=None):
  42         return ''
  43
  44     def axi_slave_idx(self, idx, name, ifacenum, typ):
  45         return ('', 0)
  46
  47     def axi_addr_map(self, name, ifacenum, typ=None):
  48         return ''