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

   1 -- VHDL model created from schematic fifo_control.sch -- Jan 09 09:34:17 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 FIFO_CONTROL is
  12       Port ( FIFO_RDn : In    std_logic;
  13              FLAG_IN_0 : In    std_logic;
  14              FLAG_IN_4 : In    std_logic;
  15                 HOLD : In    std_logic;
  16              KONST_1 : In    std_logic;
  17              PCI_CLOCK : In    std_logic;
  18              PSC_ENABLE : In    std_logic;
  19                R_EFn : In    std_logic;
  20                R_FFn : In    std_logic;
  21                R_HFn : In    std_logic;
  22                RESET : In    std_logic;
  23                S_EFn : In    std_logic;
  24                S_FFn : In    std_logic;
  25              S_FIFO_Q_OUT : In    std_logic_vector (7 downto 0);
  26                S_HFn : In    std_logic;
  27              SERIAL_IN : In    std_logic;
  28              SPC_ENABLE : In    std_logic;
  29              SPC_RDY_IN : In    std_logic;
  30              WRITE_XX1_0 : In    std_logic;
  31              R_ERROR : Out   std_logic;
  32              R_FIFO_D_IN : Out   std_logic_vector (7 downto 0);
  33              R_FIFO_READn : Out   std_logic;
  34              R_FIFO_RESETn : Out   std_logic;
  35              R_FIFO_RETRANSMITn : Out   std_logic;
  36              R_FIFO_WRITEn : Out   std_logic;
  37              RESERVE : Out   std_logic;
  38              S_ERROR : Out   std_logic;
  39              S_FIFO_READn : Out   std_logic;
  40              S_FIFO_RESETn : Out   std_logic;
  41              S_FIFO_RETRANSMITn : Out   std_logic;
  42              S_FIFO_WRITEn : Out   std_logic;
  43              SERIAL_OUT : Out   std_logic;
  44              SPC_RDY_OUT : Out   std_logic;
  45              SR_ERROR : Out   std_logic;
  46              SYNC_FLAG : Out   std_logic_vector (7 downto 0);
  47              PAR_SER_IN : Out std_logic_vector (7 downto 0);
  48              SER_PAR_OUT : Out std_logic_vector (7 downto 0));
  49 end FIFO_CONTROL;
  50
  51 architecture SCHEMATIC of FIFO_CONTROL is
  52
  53    SIGNAL gnd : std_logic := '0';
  54    SIGNAL vcc : std_logic := '1';
  55
  56    signal XXXR_FIFO_WRITEn : std_logic;
  57    signal XXXS_FIFO_READn : std_logic;
  58    signal SYNC_FLAG_DUMMY : std_logic_vector (7 downto 0);
  59    signal XXXR_FIFO_D_IN : std_logic_vector (7 downto 0);
  60    signal watcher : std_logic_vector (7 downto 0);
  61
  62    component SER_PAR_CON
  63       Port ( PCI_CLOCK : In    std_logic;
  64                RESET : In    std_logic;
  65              SERIAL_IN : In    std_logic;
  66              SPC_ENABLE : In    std_logic;
  67              SYNC_R_FIFO_FFn : In    std_logic;
  68              PAR_OUT : Out   std_logic_vector (7 downto 0);
  69              R_FIFO_WRITEn : Out   std_logic;
  70              SPC_RDY_OUT : Out   std_logic );
  71    end component;
  72
  73    component PAR_SER_CON
  74       Port (  PAR_IN : In    std_logic_vector (7 downto 0);
  75              PCI_CLOCK : In    std_logic;
  76              PSC_ENABLE : In    std_logic;
  77                RESET : In    std_logic;
  78              SPC_RDY_IN : In    std_logic;
  79              SYNC_S_FIFO_EFn : In    std_logic;
  80              S_FIFO_READn : Out   std_logic;
  81              SER_OUT : Out   std_logic );
  82    end component;
  83
  84    component FIFO_IO_CONTROL
  85       Port ( FIFO_RDn : In    std_logic;
  86              PCI_CLOCK : In    std_logic;
  87                RESET : In    std_logic;
  88              SYNC_FLAG_1 : In    std_logic;
  89              SYNC_FLAG_7 : In    std_logic;
  90              WRITE_XX1_0 : In    std_logic;
  91              R_ERROR : Out   std_logic;
  92              R_FIFO_READn : Out   std_logic;
  93              R_FIFO_RESETn : Out   std_logic;
  94              R_FIFO_RETRANSMITn : Out   std_logic;
  95              S_ERROR : Out   std_logic;
  96              S_FIFO_RESETn : Out   std_logic;
  97              S_FIFO_RETRANSMITn : Out   std_logic;
  98              S_FIFO_WRITEn : Out   std_logic;
  99              SR_ERROR : Out   std_logic );
 100    end component;
 101
 102    component CONNECTING_FSM
 103       Port ( PCI_CLOCK : In    std_logic;
 104              PSC_ENABLE : In    std_logic;
 105                RESET : In    std_logic;
 106              S_FIFO_Q_OUT : In    std_logic_vector (7 downto 0);
 107              SPC_ENABLE : In    std_logic;
 108              SYNC_R_FIFO_FFn : In    std_logic;
 109              SYNC_S_FIFO_EFn : In    std_logic;
 110              R_FIFO_D_IN : Out   std_logic_vector (7 downto 0);
 111              R_FIFO_WRITEn : Out   std_logic;
 112              S_FIFO_READn : Out   std_logic );
 113    end component;
 114
 115    component FLAG_BUS
 116       Port ( FLAG_IN_0 : In    std_logic;
 117              FLAG_IN_4 : In    std_logic;
 118                 HOLD : In    std_logic;
 119               KONS_1 : In    std_logic;
 120              PCI_CLOCK : In    std_logic;
 121                R_EFn : In    std_logic;
 122                R_FFn : In    std_logic;
 123                R_HFn : In    std_logic;
 124                S_EFn : In    std_logic;
 125                S_FFn : In    std_logic;
 126                S_HFn : In    std_logic;
 127              SYNC_FLAG : Out   std_logic_vector (7 downto 0) );
 128    end component;
 129
 130 begin
 131
 132    SYNC_FLAG <= SYNC_FLAG_DUMMY;
 133    PAR_SER_IN <= S_FIFO_Q_OUT;
 134    SER_PAR_OUT <= watcher;
 135    R_FIFO_D_IN(7 downto 0) <= watcher;
 136
 137    RESERVE <= gnd;
 138    I23 : SER_PAR_CON
 139       Port Map ( PCI_CLOCK=>PCI_CLOCK, RESET=>RESET,
 140                  SERIAL_IN=>SERIAL_IN, SPC_ENABLE=>SPC_ENABLE,
 141                  SYNC_R_FIFO_FFn=>SYNC_FLAG_DUMMY(3),
 142                  PAR_OUT(7 downto 0)=>watcher,
 143                  R_FIFO_WRITEn=>R_FIFO_WRITEn, SPC_RDY_OUT=>SPC_RDY_OUT );
 144    I22 : PAR_SER_CON
 145       Port Map ( PAR_IN(7 downto 0)=>S_FIFO_Q_OUT(7 downto 0),
 146                  PCI_CLOCK=>PCI_CLOCK, PSC_ENABLE=>PSC_ENABLE,
 147                  RESET=>RESET, SPC_RDY_IN=>SPC_RDY_IN,
 148                  SYNC_S_FIFO_EFn=>SYNC_FLAG_DUMMY(5),
 149                  S_FIFO_READn=>S_FIFO_READn, SER_OUT=>SERIAL_OUT );
 150    I21 : FIFO_IO_CONTROL
 151       Port Map ( FIFO_RDn=>FIFO_RDn, PCI_CLOCK=>PCI_CLOCK, RESET=>RESET,
 152                  SYNC_FLAG_1=>SYNC_FLAG_DUMMY(1),
 153                  SYNC_FLAG_7=>SYNC_FLAG_DUMMY(7),
 154                  WRITE_XX1_0=>WRITE_XX1_0, R_ERROR=>R_ERROR,
 155                  R_FIFO_READn=>R_FIFO_READn,
 156                  R_FIFO_RESETn=>R_FIFO_RESETn,
 157                  R_FIFO_RETRANSMITn=>R_FIFO_RETRANSMITn,
 158                  S_ERROR=>S_ERROR, S_FIFO_RESETn=>S_FIFO_RESETn,
 159                  S_FIFO_RETRANSMITn=>S_FIFO_RETRANSMITn,
 160                  S_FIFO_WRITEn=>S_FIFO_WRITEn, SR_ERROR=>SR_ERROR );
 161    I20 : CONNECTING_FSM
 162       Port Map ( PCI_CLOCK=>PCI_CLOCK, PSC_ENABLE=>PSC_ENABLE,
 163                  RESET=>RESET,
 164                  S_FIFO_Q_OUT(7 downto 0)=>S_FIFO_Q_OUT(7 downto 0),
 165                  SPC_ENABLE=>SPC_ENABLE,
 166                  SYNC_R_FIFO_FFn=>SYNC_FLAG_DUMMY(3),
 167                  SYNC_S_FIFO_EFn=>SYNC_FLAG_DUMMY(5),
 168                  R_FIFO_D_IN(7 downto 0)=>XXXR_FIFO_D_IN(7 downto 0),
 169                  R_FIFO_WRITEn=>XXXR_FIFO_WRITEn,
 170                  S_FIFO_READn=>XXXS_FIFO_READn );
 171    I19 : FLAG_BUS
 172       Port Map ( FLAG_IN_0=>FLAG_IN_0, FLAG_IN_4=>FLAG_IN_4, HOLD=>HOLD,
 173                  KONS_1=>KONST_1, PCI_CLOCK=>PCI_CLOCK, R_EFn=>R_EFn,
 174                  R_FFn=>R_FFn, R_HFn=>R_HFn, S_EFn=>S_EFn, S_FFn=>S_FFn,
 175                  S_HFn=>S_HFn,
 176                  SYNC_FLAG(7 downto 0)=>SYNC_FLAG_DUMMY(7 downto 0) );
 177
 178 end SCHEMATIC;