git.zerfleddert.de Git - raggedstone/blob - dhwk/source/io_mux_reg.vhd

   1 -- VHDL model created from schematic io_mux_reg.sch -- Jan 09 09:34:13 2007
   2
   3
   4
   5 LIBRARY ieee;
   6
   7 USE ieee.std_logic_1164.ALL;
   8 USE ieee.numeric_std.ALL;
   9
  10
  11 entity IO_MUX_REG is
  12       Port ( CONFIG_DATA : In    std_logic_vector (31 downto 0);
  13              LOAD_ADDR_REG : In    std_logic;
  14              PCI_CBEn : In    std_logic_vector (3 downto 0);
  15              PCI_CLOCK : In    std_logic;
  16              PCI_FRAMEn : In    std_logic;
  17              PCI_IDSEL : In    std_logic;
  18              PCI_IRDYn : In    std_logic;
  19              PCI_PAR : In    std_logic;
  20              PCI_RSTn : In    std_logic;
  21              READ_SEL : In    std_logic_vector (1 downto 0);
  22              USER_DATA : In    std_logic_vector (31 downto 0);
  23               PCI_AD : InOut std_logic_vector (31 downto 0);
  24               AD_REG : Out   std_logic_vector (31 downto 0);
  25              ADDR_REG : Out   std_logic_vector (31 downto 0);
  26              CBE_REGn : Out   std_logic_vector (3 downto 0);
  27              FRAME_REGn : Out   std_logic;
  28              IDSEL_REG : Out   std_logic;
  29              IRDY_REGn : Out   std_logic;
  30              PAR_REG : Out   std_logic );
  31 end IO_MUX_REG;
  32
  33 architecture SCHEMATIC of IO_MUX_REG is
  34
  35    SIGNAL gnd : std_logic := '0';
  36    SIGNAL vcc : std_logic := '1';
  37
  38    signal  IO_DATA : std_logic_vector (31 downto 0);
  39    signal AD_REG_DUMMY : std_logic_vector (31 downto 0);
  40
  41    component ADDRESS_REGISTER
  42       Port (  AD_REG : In    std_logic_vector (31 downto 0);
  43              LOAD_ADDR_REG : In    std_logic;
  44              PCI_CLOCK : In    std_logic;
  45              PCI_RSTn : In    std_logic;
  46              ADDR_REG : Out   std_logic_vector (31 downto 0) );
  47    end component;
  48
  49    component IO_REG
  50       Port ( IO_DATA : In    std_logic_vector (31 downto 0);
  51              OE_PCI_AD : In    std_logic;
  52              PCI_CBEn : In    std_logic_vector (3 downto 0);
  53              PCI_CLOCK : In    std_logic;
  54              PCI_FRAMEn : In    std_logic;
  55              PCI_IDSEL : In    std_logic;
  56              PCI_IRDYn : In    std_logic;
  57              PCI_PAR : In    std_logic;
  58              PCI_RSTn : In    std_logic;
  59               AD_REG : Out   std_logic_vector (31 downto 0);
  60              CBE_REGn : Out   std_logic_vector (3 downto 0);
  61              FRAME_REGn : Out   std_logic;
  62              IDSEL_REG : Out   std_logic;
  63              IRDY_REGn : Out   std_logic;
  64              PAR_REG : Out   std_logic;
  65               PCI_AD : Out   std_logic_vector (31 downto 0) );
  66    end component;
  67
  68    component IO_MUX
  69       Port ( CONFIG_DATA : In    std_logic_vector (31 downto 0);
  70               PCI_AD : In    std_logic_vector (31 downto 0);
  71              READ_SEL : In    std_logic_vector (1 downto 0);
  72              USER_DATA : In    std_logic_vector (31 downto 0);
  73              IO_DATA : Out   std_logic_vector (31 downto 0) );
  74    end component;
  75
  76 begin
  77
  78    AD_REG <= AD_REG_DUMMY;
  79
  80    I5 : ADDRESS_REGISTER
  81       Port Map ( AD_REG(31 downto 0)=>AD_REG_DUMMY(31 downto 0),
  82                  LOAD_ADDR_REG=>LOAD_ADDR_REG, PCI_CLOCK=>PCI_CLOCK,
  83                  PCI_RSTn=>PCI_RSTn,
  84                  ADDR_REG(31 downto 0)=>ADDR_REG(31 downto 0) );
  85    I1 : IO_REG
  86       Port Map ( IO_DATA(31 downto 0)=>IO_DATA(31 downto 0),
  87                  OE_PCI_AD=>READ_SEL(1),
  88                  PCI_CBEn(3 downto 0)=>PCI_CBEn(3 downto 0),
  89                  PCI_CLOCK=>PCI_CLOCK, PCI_FRAMEn=>PCI_FRAMEn,
  90                  PCI_IDSEL=>PCI_IDSEL, PCI_IRDYn=>PCI_IRDYn,
  91                  PCI_PAR=>PCI_PAR, PCI_RSTn=>PCI_RSTn,
  92                  AD_REG(31 downto 0)=>AD_REG_DUMMY(31 downto 0),
  93                  CBE_REGn(3 downto 0)=>CBE_REGn(3 downto 0),
  94                  FRAME_REGn=>FRAME_REGn, IDSEL_REG=>IDSEL_REG,
  95                  IRDY_REGn=>IRDY_REGn, PAR_REG=>PAR_REG,
  96                  PCI_AD(31 downto 0)=>PCI_AD(31 downto 0) );
  97    I2 : IO_MUX
  98       Port Map ( CONFIG_DATA(31 downto 0)=>CONFIG_DATA(31 downto 0),
  99                  PCI_AD(31 downto 0)=>PCI_AD(31 downto 0),
 100                  READ_SEL(1 downto 0)=>READ_SEL(1 downto 0),
 101                  USER_DATA(31 downto 0)=>USER_DATA(31 downto 0),
 102                  IO_DATA(31 downto 0)=>IO_DATA(31 downto 0) );
 103
 104 end SCHEMATIC;