src/bsv/peripheral_gen.py

   1 class PBase(object):
   2     pass
   3
   4
   5 class uart(PBase):
   6     def importfn(self):
   7         return "          import Uart16550         :: *;"
   8
   9     def ifacedecl(self):
  10         return "            interface RS232_PHY_Ifc uart{0}_coe;\n" \
  11                "            method Bit#(1) uart{0}_intr;"
  12
  13     def num_axi_regs32(self):
  14         return 8
  15
  16
  17 class rs232(PBase):
  18     def importfn(self):
  19         return "        import Uart_bs::*;\n" \
  20                "        import RS232_modified::*;"
  21
  22     def ifacedecl(self):
  23         return "            interface RS232 uart{0}_coe;"
  24
  25     def num_axi_regs32(self):
  26         return 2
  27
  28
  29 class twi(PBase):
  30     def importfn(self):
  31         return "        import I2C_top           :: *;"
  32
  33     def ifacedecl(self):
  34         return "            interface I2C_out i2c{0}_out;\n" \
  35                "            method Bit#(1) i2c{0}_isint;"
  36
  37     def num_axi_regs32(self):
  38         return 8
  39
  40
  41 class qspi(PBase):
  42     def importfn(self):
  43         return "        import qspi              :: *;"
  44
  45     def ifacedecl(self):
  46         return "            interface QSPI_out qspi{0}_out;\n" \
  47                "            method Bit#(1) qspi{0}_isint;"
  48
  49     def num_axi_regs32(self):
  50         return 13
  51
  52
  53 class pwm(PBase):
  54     def importfn(self):
  55         return "        import pwm::*;"
  56
  57     def ifacedecl(self):
  58         return "        interface PWMIO pwm_o;"
  59
  60     def num_axi_regs32(self):
  61         return 4
  62
  63
  64 class gpio(PBase):
  65     def importfn(self):
  66         return "     import pinmux::*;\n" \
  67                "     import mux::*;\n" \
  68                "     import gpio::*;\n"
  69
  70     def ifacedecl(self):
  71         return "        interface GPIO_config#({1}) pad_config{0};"
  72
  73     def num_axi_regs32(self):
  74         return 2
  75
  76
  77 class PFactory(object):
  78     def getcls(self, name):
  79         return {'uart': uart,
  80                 'rs232': rs232,
  81                 'twi': twi,
  82                 'qspi': qspi,
  83                 'pwm': pwm,
  84                 'gpio': gpio
  85                 }.get(name, None)