ipbus_decode_efex_mgt_channel.vhd

-- Address decode logic for ipbus fabric
-- 
-- This file has been AUTOGENERATED from the address table - do not hand edit
-- 
-- We assume the synthesis tool is clever enough to recognise exclusive conditions
-- in the if statement.
-- 
-- Dave Newbold, February 2011
 
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use ieee.numeric_std.all;
 
package ipbus_decode_efex_mgt_channel is
 
  constant IPBUS_SEL_WIDTH: positive := 4;
  subtype ipbus_sel_t is std_logic_vector(IPBUS_SEL_WIDTH - 1 downto 0);
  function ipbus_sel_efex_mgt_channel(addr : in std_logic_vector(31 downto 0)) return ipbus_sel_t;
 
-- START automatically  generated VHDL the Fri Nov 13 12:21:26 2020 
  constant N_SLV_STATUS: integer := 0;
  constant N_SLV_ERROR_COUNTER: integer := 1;
  constant N_SLV_DISPERR_COUNTER: integer := 2;
  constant N_SLV_BYTEREALIGN_COUNTER: integer := 3;
  constant N_SLV_DELAY_COUNTER: integer := 4;
  constant N_SLV_BC_COUNTER: integer := 5;
  constant N_SLV_BC_MUX_COUNTER: integer := 6;
  constant N_SLV_CRC_ERROR_COUNTER: integer := 7;
  constant N_SLV_PLAYBACK_RAM: integer := 8;
  constant N_SLAVES: integer := 9;
-- END automatically generated VHDL
 
    
end ipbus_decode_efex_mgt_channel;
 
package body ipbus_decode_efex_mgt_channel is
 
  function ipbus_sel_efex_mgt_channel(addr : in std_logic_vector(31 downto 0)) return ipbus_sel_t is
    variable sel: ipbus_sel_t;
  begin
 
-- START automatically  generated VHDL the Fri Nov 13 12:21:26 2020 
    if    std_match(addr, "------------------------0----000") then
      sel := ipbus_sel_t(to_unsigned(N_SLV_STATUS, IPBUS_SEL_WIDTH)); -- status / base 0x00000000 / mask 0x00000087
    elsif std_match(addr, "------------------------0----001") then
      sel := ipbus_sel_t(to_unsigned(N_SLV_ERROR_COUNTER, IPBUS_SEL_WIDTH)); -- error_counter / base 0x00000001 / mask 0x00000087
    elsif std_match(addr, "------------------------0----010") then
      sel := ipbus_sel_t(to_unsigned(N_SLV_DISPERR_COUNTER, IPBUS_SEL_WIDTH)); -- disperr_counter / base 0x00000002 / mask 0x00000087
    elsif std_match(addr, "------------------------0----011") then
      sel := ipbus_sel_t(to_unsigned(N_SLV_BYTEREALIGN_COUNTER, IPBUS_SEL_WIDTH)); -- byterealign_counter / base 0x00000003 / mask 0x00000087
    elsif std_match(addr, "------------------------0----100") then
      sel := ipbus_sel_t(to_unsigned(N_SLV_DELAY_COUNTER, IPBUS_SEL_WIDTH)); -- delay_counter / base 0x00000004 / mask 0x00000087
    elsif std_match(addr, "------------------------0----101") then
      sel := ipbus_sel_t(to_unsigned(N_SLV_BC_COUNTER, IPBUS_SEL_WIDTH)); -- bc_counter / base 0x00000005 / mask 0x00000087
    elsif std_match(addr, "------------------------0----110") then
      sel := ipbus_sel_t(to_unsigned(N_SLV_BC_MUX_COUNTER, IPBUS_SEL_WIDTH)); -- bc_mux_counter / base 0x00000006 / mask 0x00000087
    elsif std_match(addr, "------------------------0----111") then
      sel := ipbus_sel_t(to_unsigned(N_SLV_CRC_ERROR_COUNTER, IPBUS_SEL_WIDTH)); -- crc_error_counter / base 0x00000007 / mask 0x00000087
    elsif std_match(addr, "------------------------1-------") then
      sel := ipbus_sel_t(to_unsigned(N_SLV_PLAYBACK_RAM, IPBUS_SEL_WIDTH)); -- playback_ram / base 0x00000080 / mask 0x00000080
-- END automatically generated VHDL
 
    else
        sel := ipbus_sel_t(to_unsigned(N_SLAVES, IPBUS_SEL_WIDTH));
    end if;
 
    return sel;
 
  end function ipbus_sel_efex_mgt_channel;
 
end ipbus_decode_efex_mgt_channel;