library verilog;use verilog.vl_types.all;entity mercury_hssi_receiver is    generic(        channel_width   : integer := 20;        operation_mode  : string  := "lvds";        run_length      : integer := 1    );    port(        clk             : in     vl_logic;        coreclk         : in     vl_logic;        datain          : in     vl_logic;        areset          : in     vl_logic;        feedback        : in     vl_logic;        fbkcntl         : in     vl_logic;        clkout          : out    vl_logic;        dataout         : out    vl_logic_vector(19 downto 0);        rlv             : out    vl_logic;        locked          : out    vl_logic;        devclrn         : in     vl_logic;        devpor          : in     vl_logic    );end mercury_hssi_receiver;