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

   1 -- VHDL model created from schematic user_io.sch -- Jan 09 09:34:12 2007
   2
   3 LIBRARY ieee;
   4
   5 USE ieee.std_logic_1164.ALL;
   6 USE ieee.numeric_std.ALL;
   7
   8
   9 entity USER_IO is
  10         Port ( AD_REG : In std_logic_vector (31 downto 0);
  11                ADDR_REG : In std_logic_vector (31 downto 0);
  12                CBE_REGn : In std_logic_vector (3 downto 0);
  13                FLAG : In std_logic_vector (7 downto 0);
  14                INT_REG : In std_logic_vector (7 downto 0);
  15                IO_WR_COM : In std_logic;
  16                IRDY_REGn : In std_logic;
  17                PCI_CLK : In std_logic;
  18                R_FIFO_Q : In std_logic_vector (7 downto 0);
  19                READ_SEL : In std_logic_vector (1 downto 0);
  20                TRDYn : In std_logic;
  21                READ_XX1_0 : Out std_logic;
  22                READ_XX3_2 : Out std_logic;
  23                READ_XX5_4 : Out std_logic;
  24                READ_XX7_6 : Out std_logic;
  25                REG_OUT_XX0 : Out std_logic_vector (7 downto 0);
  26                REG_OUT_XX6 : Out std_logic_vector (7 downto 0);
  27                REG_OUT_XX7 : Out std_logic_vector (7 downto 0);
  28                USER_DATA_OUT : Out std_logic_vector (31 downto 0);
  29                WRITE_XX1_0 : Out std_logic;
  30                WRITE_XX3_2 : Out std_logic;
  31                WRITE_XX5_4 : Out std_logic;
  32                WRITE_XX7_6 : Out std_logic );
  33 end USER_IO;
  34
  35 architecture SCHEMATIC of USER_IO is
  36
  37         SIGNAL gnd : std_logic := '0';
  38         SIGNAL vcc : std_logic := '1';
  39
  40         signal WRITE_XX1_0_DUMMY : std_logic;
  41         signal WRITE_XX7_6_DUMMY : std_logic;
  42         signal REG_OUT_XX7_DUMMY : std_logic_vector (7 downto 0);
  43         signal REG_OUT_XX6_DUMMY : std_logic_vector (7 downto 0);
  44         signal REG_OUT_XX0_DUMMY : std_logic_vector (7 downto 0);
  45
  46         component IO_WR_SEL
  47                 Port ( ADDR_REG : In std_logic_vector (31 downto 0);
  48                        CBE_REGn : In std_logic_vector (3 downto 0);
  49                        IO_WR_COM : In std_logic;
  50                        IRDY_REGn : In std_logic;
  51                        TRDYn : In std_logic;
  52                        WRITE_XX1_0 : Out std_logic;
  53                        WRITE_XX3_2 : Out std_logic;
  54                        WRITE_XX5_4 : Out std_logic;
  55                        WRITE_XX7_6 : Out std_logic );
  56         end component;
  57
  58         component DATA_MUX
  59                 Port ( ADDR_REG : In std_logic_vector (31 downto 0);
  60                        CBE_REGn : In std_logic_vector (3 downto 0);
  61                        MUX_IN_XX0 : In std_logic_vector (7 downto 0);
  62                        MUX_IN_XX1 : In std_logic_vector (7 downto 0);
  63                        MUX_IN_XX2 : In std_logic_vector (7 downto 0);
  64                        MUX_IN_XX3 : In std_logic_vector (7 downto 0);
  65                        MUX_IN_XX4 : In std_logic_vector (7 downto 0);
  66                        MUX_IN_XX5 : In std_logic_vector (7 downto 0);
  67                        MUX_IN_XX6 : In std_logic_vector (7 downto 0);
  68                        MUX_IN_XX7 : In std_logic_vector (7 downto 0);
  69                        READ_SEL : In std_logic_vector (1 downto 0);
  70                        MUX_OUT : Out std_logic_vector (31 downto 0);
  71                        READ_XX1_0 : Out std_logic;
  72                        READ_XX3_2 : Out std_logic;
  73                        READ_XX5_4 : Out std_logic;
  74                        READ_XX7_6 : Out std_logic );
  75         end component;
  76
  77         component REG_IO
  78                 Port ( AD_REG : In std_logic_vector (31 downto 0);
  79                        PCI_CLOCK : In std_logic;
  80                        RESET : In std_logic;
  81                        WRITE_XX1_0 : In std_logic;
  82                        WRITE_XX7_6 : In std_logic;
  83                        REG_OUT_XX0 : Out std_logic_vector (7 downto 0);
  84                        REG_OUT_XX6 : Out std_logic_vector (7 downto 0);
  85                        REG_OUT_XX7 : Out std_logic_vector (7 downto 0) );
  86         end component;
  87
  88 begin
  89
  90         REG_OUT_XX0 <= REG_OUT_XX0_DUMMY;
  91         REG_OUT_XX6 <= REG_OUT_XX6_DUMMY;
  92         REG_OUT_XX7 <= REG_OUT_XX7_DUMMY;
  93         WRITE_XX7_6 <= WRITE_XX7_6_DUMMY;
  94         WRITE_XX1_0 <= WRITE_XX1_0_DUMMY;
  95
  96         I4 : IO_WR_SEL
  97         Port Map ( ADDR_REG(31 downto 0)=>ADDR_REG(31 downto 0),
  98         CBE_REGn(3 downto 0)=>CBE_REGn(3 downto 0),
  99         IO_WR_COM=>IO_WR_COM, IRDY_REGn=>IRDY_REGn,
 100         TRDYn=>TRDYn, WRITE_XX1_0=>WRITE_XX1_0_DUMMY,
 101         WRITE_XX3_2=>WRITE_XX3_2, WRITE_XX5_4=>WRITE_XX5_4,
 102         WRITE_XX7_6=>WRITE_XX7_6_DUMMY );
 103         I2 : DATA_MUX
 104         Port Map ( ADDR_REG(31 downto 0)=>ADDR_REG(31 downto 0),
 105         CBE_REGn(3 downto 0)=>CBE_REGn(3 downto 0),
 106         MUX_IN_XX0(7 downto 0)=>REG_OUT_XX0_DUMMY(7 downto 0),
 107         MUX_IN_XX1(7 downto 0)=>FLAG(7 downto 0),
 108         MUX_IN_XX2(7 downto 0)=>R_FIFO_Q(7 downto 0),
 109         MUX_IN_XX3(7 downto 0)=>FLAG(7 downto 0),
 110         MUX_IN_XX4(7 downto 0)=>INT_REG(7 downto 0),
 111         MUX_IN_XX5(7 downto 0)=>FLAG(7 downto 0),
 112         MUX_IN_XX6(7 downto 0)=>REG_OUT_XX6_DUMMY(7 downto 0),
 113         MUX_IN_XX7(7 downto 0)=>REG_OUT_XX7_DUMMY(7 downto 0),
 114         READ_SEL(1 downto 0)=>READ_SEL(1 downto 0),
 115         MUX_OUT(31 downto 0)=>USER_DATA_OUT(31 downto 0),
 116         READ_XX1_0=>READ_XX1_0, READ_XX3_2=>READ_XX3_2,
 117         READ_XX5_4=>READ_XX5_4, READ_XX7_6=>READ_XX7_6 );
 118         I1 : REG_IO
 119         Port Map ( AD_REG(31 downto 0)=>AD_REG(31 downto 0),
 120                    PCI_CLOCK=>PCI_CLK, RESET=>REG_OUT_XX7_DUMMY(0),
 121                    WRITE_XX1_0=>WRITE_XX1_0_DUMMY,
 122                    WRITE_XX7_6=>WRITE_XX7_6_DUMMY,
 123                    REG_OUT_XX0(7 downto 0)=>REG_OUT_XX0_DUMMY(7 downto 0),
 124                    REG_OUT_XX6(7 downto 0)=>REG_OUT_XX6_DUMMY(7 downto 0),
 125                    REG_OUT_XX7(7 downto 0)=>REG_OUT_XX7_DUMMY(7 downto 0) );
 126
 127 end SCHEMATIC;