src/bsv/peripheral_gen/qspi.py

   1 from bsv.peripheral_gen.base import PBase
   2
   3
   4 class qspi(PBase):
   5
   6     def slowimport(self):
   7         return "    import qspi              :: *;"
   8
   9     def slowifdecl(self):
  10         return "            interface QSPI_out qspi{0}_out;\n" + \
  11                "            method Bit#(1) qspi{0}_isint;"
  12
  13     def num_axi_regs32(self):
  14         return 13
  15
  16     def mkslow_peripheral(self, size=0):
  17         return "        Ifc_qspi qspi{0} <-  mkqspi();"
  18
  19     def _mk_connection(self, name=None, count=0):
  20         return "qspi{0}.slave"
  21
  22     def pinname_out(self, pname):
  23         return {'ck': 'out.clk_o',
  24                 'nss': 'out.ncs_o',
  25                 }.get(pname, '')
  26
  27     def pinname_outen(self, pname):
  28         return {'ck': 1,
  29                 'nss': 1,
  30                 }.get(pname, '')
  31
  32     def mk_pincon(self, name, count):
  33         ret = [PBase.mk_pincon(self, name, count)]
  34         # special-case for gpio in, store in a temporary vector
  35         ret = []
  36         plen = len(self.peripheral.pinspecs)
  37         template = "      mkConnection({0}.{1},\n\t\t\t{2}.{1});"
  38         ps = "pinmux.peripheral_side.%s" % name
  39         name = self.get_iname(count)
  40         n = "{0}.out".format(name)
  41         for ptype in ['io_out', 'io_out_en', 'io_in']:
  42             ret.append(template.format(ps, ptype, n))
  43         return '\n'.join(ret)
  44
  45     def num_irqs(self):
  46         return 6
  47
  48     def plic_object(self, pname, idx):
  49         return "{0}.interrupts()[{1}]".format(pname, idx)
  50
  51     def mk_ext_ifacedef(self, iname, inum):
  52         name = self.get_iname(inum)
  53         return "        method {0}_isint = {0}.interrupts[5];".format(name)
  54
  55     def slowifdeclmux(self):
  56         return "        method Bit#(1) {1}{0}_isint;"