git.zerfleddert.de Git - raggedstone/blob - dhwk/source/pci/config_mux_0.vhd

   1 -- J.STELZNER
   2 -- INFORMATIK-3 LABOR
   3 -- 23.08.2006
   4 -- File: CONFIG_MUX_0.VHD
   5
   6 library IEEE;
   7 use IEEE.std_logic_1164.all;
   8
   9 entity CONFIG_MUX_0 is
  10         port
  11         (
  12                 READ_SEL :in std_logic_vector( 2 downto 0);
  13                 CONF_DATA_00H :in std_logic_vector(31 downto 0);
  14                 CONF_DATA_04H :in std_logic_vector(31 downto 0);
  15                 CONF_DATA_08H :in std_logic_vector(31 downto 0);
  16                 CONF_DATA_10H :in std_logic_vector(31 downto 0);
  17                 CONF_DATA_3CH :in std_logic_vector(31 downto 0);
  18                 --CONF_DATA_40H :in std_logic_vector(31 downto 0);
  19                 CONF_DATA :out std_logic_vector(31 downto 0)
  20         );
  21 end entity CONFIG_MUX_0;
  22
  23 architecture CONFIG_MUX_0_DESIGN of CONFIG_MUX_0 is
  24
  25         signal MUX :std_logic_vector (31 downto 0);
  26
  27 begin
  28
  29  --*******************************************************************
  30  --******************* PCI Read Config-MUX **************************
  31  --*******************************************************************
  32
  33         MUX <= CONF_DATA_00H when READ_SEL <= "000" else
  34                CONF_DATA_04H when READ_SEL <= "001" else
  35                CONF_DATA_08H when READ_SEL <= "010" else
  36                CONF_DATA_10H when READ_SEL <= "011" else
  37                CONF_DATA_3CH when READ_SEL <= "100" else
  38                -- CONF_DATA_40H when READ_SEL <= "101" else
  39                X"00000000";
  40
  41         CONF_DATA <= MUX;
  42
  43 end architecture CONFIG_MUX_0_DESIGN;