interrupt

[raggedstone] / dhwk / source / pci / user_io.vhd

-- VHDL model created from schematic user_io.sch -- Jan 09 09:34:12 2007

LIBRARY ieee;

USE ieee.std_logic_1164.ALL;
USE ieee.numeric_std.ALL;


entity USER_IO is
        Port ( AD_REG : In std_logic_vector (31 downto 0);
               ADDR_REG : In std_logic_vector (31 downto 0);
               CBE_REGn : In std_logic_vector (3 downto 0);
               FLAG : In std_logic_vector (7 downto 0);
               INT_REG : In std_logic_vector (7 downto 0);
               IO_WR_COM : In std_logic;
               IRDY_REGn : In std_logic;
               PCI_CLK : In std_logic;
               R_FIFO_Q : In std_logic_vector (7 downto 0);
               READ_SEL : In std_logic_vector (1 downto 0);
               TRDYn : In std_logic;
               READ_XX1_0 : Out std_logic;
               READ_XX3_2 : Out std_logic;
               READ_XX5_4 : Out std_logic;
               READ_XX7_6 : Out std_logic;
               REG_OUT_XX0 : Out std_logic_vector (7 downto 0);
               REG_OUT_XX6 : Out std_logic_vector (7 downto 0);
               REG_OUT_XX7 : Out std_logic_vector (7 downto 0);
               USER_DATA_OUT : Out std_logic_vector (31 downto 0);
               WRITE_XX1_0 : Out std_logic;
               WRITE_XX3_2 : Out std_logic;
               WRITE_XX5_4 : Out std_logic;
               WRITE_XX7_6 : Out std_logic );
end USER_IO;

architecture SCHEMATIC of USER_IO is

        SIGNAL gnd : std_logic := '0';
        SIGNAL vcc : std_logic := '1';

        signal WRITE_XX1_0_DUMMY : std_logic;
        signal WRITE_XX7_6_DUMMY : std_logic;
        signal REG_OUT_XX7_DUMMY : std_logic_vector (7 downto 0);
        signal REG_OUT_XX6_DUMMY : std_logic_vector (7 downto 0);
        signal REG_OUT_XX0_DUMMY : std_logic_vector (7 downto 0);

        component IO_WR_SEL
                Port ( ADDR_REG : In std_logic_vector (31 downto 0);
                       CBE_REGn : In std_logic_vector (3 downto 0);
                       IO_WR_COM : In std_logic;
                       IRDY_REGn : In std_logic;
                       TRDYn : In std_logic;
                       WRITE_XX1_0 : Out std_logic;
                       WRITE_XX3_2 : Out std_logic;
                       WRITE_XX5_4 : Out std_logic;
                       WRITE_XX7_6 : Out std_logic );
        end component;

        component DATA_MUX
                Port ( ADDR_REG : In std_logic_vector (31 downto 0);
                       CBE_REGn : In std_logic_vector (3 downto 0);
                       MUX_IN_XX0 : In std_logic_vector (7 downto 0);
                       MUX_IN_XX1 : In std_logic_vector (7 downto 0);
                       MUX_IN_XX2 : In std_logic_vector (7 downto 0);
                       MUX_IN_XX3 : In std_logic_vector (7 downto 0);
                       MUX_IN_XX4 : In std_logic_vector (7 downto 0);
                       MUX_IN_XX5 : In std_logic_vector (7 downto 0);
                       MUX_IN_XX6 : In std_logic_vector (7 downto 0);
                       MUX_IN_XX7 : In std_logic_vector (7 downto 0);
                       READ_SEL : In std_logic_vector (1 downto 0);
                       MUX_OUT : Out std_logic_vector (31 downto 0);
                       READ_XX1_0 : Out std_logic;
                       READ_XX3_2 : Out std_logic;
                       READ_XX5_4 : Out std_logic;
                       READ_XX7_6 : Out std_logic );
        end component;

        component REG_IO
                Port ( AD_REG : In std_logic_vector (31 downto 0);
                       PCI_CLOCK : In std_logic;
                       RESET : In std_logic;
                       WRITE_XX1_0 : In std_logic;
                       WRITE_XX7_6 : In std_logic;
                       REG_OUT_XX0 : Out std_logic_vector (7 downto 0);
                       REG_OUT_XX6 : Out std_logic_vector (7 downto 0);
                       REG_OUT_XX7 : Out std_logic_vector (7 downto 0) );
        end component;

begin

        REG_OUT_XX0 <= REG_OUT_XX0_DUMMY;
        REG_OUT_XX6 <= REG_OUT_XX6_DUMMY;
        REG_OUT_XX7 <= REG_OUT_XX7_DUMMY;
        WRITE_XX7_6 <= WRITE_XX7_6_DUMMY;
        WRITE_XX1_0 <= WRITE_XX1_0_DUMMY;

        I4 : IO_WR_SEL
        Port Map ( ADDR_REG(31 downto 0)=>ADDR_REG(31 downto 0),
        CBE_REGn(3 downto 0)=>CBE_REGn(3 downto 0),
        IO_WR_COM=>IO_WR_COM, IRDY_REGn=>IRDY_REGn,
        TRDYn=>TRDYn, WRITE_XX1_0=>WRITE_XX1_0_DUMMY,
        WRITE_XX3_2=>WRITE_XX3_2, WRITE_XX5_4=>WRITE_XX5_4,
        WRITE_XX7_6=>WRITE_XX7_6_DUMMY );
        I2 : DATA_MUX
        Port Map ( ADDR_REG(31 downto 0)=>ADDR_REG(31 downto 0),
        CBE_REGn(3 downto 0)=>CBE_REGn(3 downto 0),
        MUX_IN_XX0(7 downto 0)=>REG_OUT_XX0_DUMMY(7 downto 0),
        MUX_IN_XX1(7 downto 0)=>FLAG(7 downto 0),
        MUX_IN_XX2(7 downto 0)=>R_FIFO_Q(7 downto 0),
        MUX_IN_XX3(7 downto 0)=>FLAG(7 downto 0),
        MUX_IN_XX4(7 downto 0)=>INT_REG(7 downto 0),
        MUX_IN_XX5(7 downto 0)=>FLAG(7 downto 0),
        MUX_IN_XX6(7 downto 0)=>REG_OUT_XX6_DUMMY(7 downto 0),
        MUX_IN_XX7(7 downto 0)=>REG_OUT_XX7_DUMMY(7 downto 0),
        READ_SEL(1 downto 0)=>READ_SEL(1 downto 0),
        MUX_OUT(31 downto 0)=>USER_DATA_OUT(31 downto 0),
        READ_XX1_0=>READ_XX1_0, READ_XX3_2=>READ_XX3_2,
        READ_XX5_4=>READ_XX5_4, READ_XX7_6=>READ_XX7_6 );
        I1 : REG_IO
        Port Map ( AD_REG(31 downto 0)=>AD_REG(31 downto 0),
                   PCI_CLOCK=>PCI_CLK, RESET=>REG_OUT_XX7_DUMMY(0),
                   WRITE_XX1_0=>WRITE_XX1_0_DUMMY,
                   WRITE_XX7_6=>WRITE_XX7_6_DUMMY,
                   REG_OUT_XX0(7 downto 0)=>REG_OUT_XX0_DUMMY(7 downto 0),
                   REG_OUT_XX6(7 downto 0)=>REG_OUT_XX6_DUMMY(7 downto 0),
                   REG_OUT_XX7(7 downto 0)=>REG_OUT_XX7_DUMMY(7 downto 0) );

end SCHEMATIC;