----------------------------------------------------------------------------
--  top.vhd
--	MicroZed EMIO Test
--	Version 1.0
--
--  Copyright (C) 2020 H.Poetzl
--
--	This program is free software: you can redistribute it and/or
--	modify it under the terms of the GNU General Public License
--	as published by the Free Software Foundation, either version
--	2 of the License, or (at your option) any later version.
--
--  Vivado 2020.1:
--    mkdir -p build.vivado
--    (cd build.vivado && vivado -mode tcl -source ../vivado.tcl)
----------------------------------------------------------------------------



library IEEE;
use IEEE.std_logic_1164.ALL;
use IEEE.numeric_std.ALL;

library unisim;
use unisim.VCOMPONENTS.ALL;

use work.vivado_pkg.ALL;	-- Vivado Attributes


entity top is
end entity top;


architecture RTL of top is

    --------------------------------------------------------------------
    -- PS7 EMIO GPIO Signals
    --------------------------------------------------------------------

    signal emio_gpio_i : std_logic_vector(63 downto 0);
    signal emio_gpio_o : std_logic_vector(63 downto 0);
    signal emio_gpio_t_n : std_logic_vector(63 downto 0);

begin

    --------------------------------------------------------------------
    -- PS7 Interface
    --------------------------------------------------------------------

    ps7_stub_inst : entity work.ps7_stub
	port map (
	    emio_gpio_i => emio_gpio_i,
	    emio_gpio_o => emio_gpio_o,
	    emio_gpio_t_n => emio_gpio_t_n);

    emio_gpio_i(0) <= '1';
    emio_gpio_i(1) <= emio_gpio_o(2);
    emio_gpio_i(2) <= emio_gpio_o(0);

    emio_gpio_o(3) <= emio_gpio_o(4);


end RTL;