-- -------------------------------------------------------------------------- --
-- flashrom_pkg.vhd: Wishbone Flashrom Controller
-- 
-- Copyright (C) 2017  Markus Koch <markus@notsyncing.net>
-- 
-- This Source Code Form is subject to the terms of the Mozilla Public
-- License, v. 2.0. If a copy of the MPL was not distributed with this
-- file, You can obtain one at http://mozilla.org/MPL/2.0/.
-- -------------------------------------------------------------------------- --

library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;

package flashrom_pkg is
	constant FLASHROM_PAGE_ADDR_WIDTH         : integer                      := 12;
	constant FLASHROM_COMMAND_MANUFACTURER_ID : std_logic_vector(7 downto 0) := x"9F";
	constant FLASHROM_COMMAND_GET_STATUS      : std_logic_vector(7 downto 0) := x"D7";
	constant FLASHROM_COMMAND_CONT_ARRAY_READ : std_logic_vector(7 downto 0) := x"0B";
	constant FLASHROM_COMMAND_WRITE_THROUGH_1 : std_logic_vector(7 downto 0) := x"82";

	function padBits(target : std_logic_vector; other : std_logic_vector) return std_logic_vector;
end package flashrom_pkg;

package body flashrom_pkg is
	function padBits(target : std_logic_vector; other : std_logic_vector) return std_logic_vector is
	begin
		return std_logic_vector(to_unsigned(0, target'length - other'length));
	end function padBits;

end package body flashrom_pkg;