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

   1 -- VHDL model created from schematic steuerung.sch -- Jan 09 09:34:14 2007
   2
   3 LIBRARY ieee;
   4 USE ieee.std_logic_1164.ALL;
   5 USE ieee.numeric_std.ALL;
   6
   7 entity STEUERUNG is
   8         Port (  AD_REG : In    std_logic_vector (31 downto 0);
   9                 CBE_REGn : In    std_logic_vector (3 downto 0);
  10                 FRAME_REGn : In    std_logic;
  11                 IDSEL_REG : In    std_logic;
  12                 IO_SPACE : In    std_logic;
  13                 MY_ADDR : In    std_logic;
  14                 PCI_CLOCK : In    std_logic;
  15                 PCI_RSTn : In    std_logic;
  16                 READ_FIFO : In    std_logic;
  17                 CF_RD_COM : Out   std_logic;
  18                 CF_WR_COM : Out   std_logic;
  19                 DEVSELn : Out   std_logic;
  20                 FIFO_RDn : Out   std_logic;
  21                 IO_RD_COM : Out   std_logic;
  22                 IO_WR_COM : Out   std_logic;
  23                 LAR : Out   std_logic;
  24                 OE_PCI_PAR : Out   std_logic;
  25                 OE_PCI_PERR : Out   std_logic;
  26                 PCI_DEVSELn : Out   std_logic;
  27                 PCI_STOPn : Out   std_logic;
  28                 PCI_TRDYn : Out   std_logic;
  29                 PERR_CHECK : Out   std_logic;
  30                 READ : Out   std_logic;
  31                 SERR_CHECK : Out   std_logic;
  32                 TRDYn : Out   std_logic );
  33 end STEUERUNG;
  34
  35 architecture SCHEMATIC of STEUERUNG is
  36
  37         SIGNAL gnd : std_logic := '0';
  38         SIGNAL vcc : std_logic := '1';
  39
  40         signal DEVSELn_DUMMY : std_logic;
  41         signal  IO_READ : std_logic;
  42         signal IO_WRITE : std_logic;
  43         signal CONF_READ : std_logic;
  44         signal CONF_WRITE : std_logic;
  45
  46         component CONT_FSM
  47                 Port ( CONF_READ : In    std_logic;
  48                        CONF_WRITE : In    std_logic;
  49                        FIFO_READ : In    std_logic;
  50                        IO_READ : In    std_logic;
  51                        IO_WRITE : In    std_logic;
  52                        PCI_CLOCK : In    std_logic;
  53                        PCI_RSTn : In    std_logic;
  54                        DEVSELn : Out   std_logic;
  55                        FIFO_RDn : Out   std_logic;
  56                        OE_PCI_PAR : Out   std_logic;
  57                        OE_PCI_PERR : Out   std_logic;
  58                        PCI_DEVSELn : Out   std_logic;
  59                        PCI_STOPn : Out   std_logic;
  60                        PCI_TRDYn : Out   std_logic;
  61                        PERR_CHECK : Out   std_logic;
  62                        READ : Out   std_logic;
  63                        TRDYn : Out   std_logic );
  64         end component;
  65
  66         component COMM_FSM
  67                 Port ( CONF_READ : In    std_logic;
  68                        CONF_WRITE : In    std_logic;
  69                        DEVSELn : In    std_logic;
  70                        IO_READ : In    std_logic;
  71                        IO_WRITE : In    std_logic;
  72                        PCI_CLOCK : In    std_logic;
  73                        PCI_RSTn : In    std_logic;
  74                        CF_RD_COM : Out   std_logic;
  75                        CF_WR_COM : Out   std_logic;
  76                        IO_RD_COM : Out   std_logic;
  77                        IO_WR_COM : Out   std_logic );
  78         end component;
  79
  80         component COMM_DEC
  81                 Port (  AD_REG : In    std_logic_vector (31 downto 0);
  82                         CBE_REGn : In    std_logic_vector (3 downto 0);
  83                         FRAME_REGn : In    std_logic;
  84                         IDSEL_REG : In    std_logic;
  85                         IO_SPACE : In    std_logic;
  86                         MY_ADDR : In    std_logic;
  87                         PCI_CLOCK : In    std_logic;
  88                         PCI_RSTn : In    std_logic;
  89                         CONF_READ : Out   std_logic;
  90                         CONF_WRITE : Out   std_logic;
  91                         IO_READ : Out   std_logic;
  92                         IO_WRITE : Out   std_logic;
  93                         LAR : Out   std_logic;
  94                         SERR_CHECK : Out   std_logic );
  95         end component;
  96
  97 begin
  98
  99         DEVSELn <= DEVSELn_DUMMY;
 100
 101         I1 : CONT_FSM
 102         Port Map ( CONF_READ=>CONF_READ, CONF_WRITE=>CONF_WRITE,
 103                    FIFO_READ=>READ_FIFO, IO_READ=>IO_READ,
 104                    IO_WRITE=>IO_WRITE, PCI_CLOCK=>PCI_CLOCK,
 105                    PCI_RSTn=>PCI_RSTn, DEVSELn=>DEVSELn_DUMMY,
 106                    FIFO_RDn=>FIFO_RDn, OE_PCI_PAR=>OE_PCI_PAR,
 107                    OE_PCI_PERR=>OE_PCI_PERR, PCI_DEVSELn=>PCI_DEVSELn,
 108                    PCI_STOPn=>PCI_STOPn, PCI_TRDYn=>PCI_TRDYn,
 109                    PERR_CHECK=>PERR_CHECK, READ=>READ, TRDYn=>TRDYn );
 110         I2 : COMM_FSM
 111         Port Map ( CONF_READ=>CONF_READ, CONF_WRITE=>CONF_WRITE,
 112                    DEVSELn=>DEVSELn_DUMMY, IO_READ=>IO_READ,
 113                    IO_WRITE=>IO_WRITE, PCI_CLOCK=>PCI_CLOCK,
 114                    PCI_RSTn=>PCI_RSTn, CF_RD_COM=>CF_RD_COM,
 115                    CF_WR_COM=>CF_WR_COM, IO_RD_COM=>IO_RD_COM,
 116                    IO_WR_COM=>IO_WR_COM );
 117         I3 : COMM_DEC
 118         Port Map ( AD_REG(31 downto 0)=>AD_REG(31 downto 0),
 119         CBE_REGn(3 downto 0)=>CBE_REGn(3 downto 0),
 120         FRAME_REGn=>FRAME_REGn, IDSEL_REG=>IDSEL_REG,
 121         IO_SPACE=>IO_SPACE, MY_ADDR=>MY_ADDR,
 122         PCI_CLOCK=>PCI_CLOCK, PCI_RSTn=>PCI_RSTn,
 123         CONF_READ=>CONF_READ, CONF_WRITE=>CONF_WRITE,
 124         IO_READ=>IO_READ, IO_WRITE=>IO_WRITE, LAR=>LAR,
 125         SERR_CHECK=>SERR_CHECK );
 126
 127 end SCHEMATIC;