Pushing the bulk of UHD-3.7.0 code.

Original-commit: ff1546f8137f7f92bb250f685561b0c34cc0e053

lib/zpu/wishbone/wishbone_pkg.vhd

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+-- ZPU
+--
+-- Copyright 2004-2008 oharboe - Øyvind Harboe - oyvind.harboe@zylin.com
+-- 
+-- The FreeBSD license
+-- 
+-- Redistribution and use in source and binary forms, with or without
+-- modification, are permitted provided that the following conditions
+-- are met:
+-- 
+-- 1. Redistributions of source code must retain the above copyright
+--    notice, this list of conditions and the following disclaimer.
+-- 2. Redistributions in binary form must reproduce the above
+--    copyright notice, this list of conditions and the following
+--    disclaimer in the documentation and/or other materials
+--    provided with the distribution.
+-- 
+-- THIS SOFTWARE IS PROVIDED BY THE ZPU PROJECT ``AS IS'' AND ANY
+-- EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+-- THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+-- PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+-- ZPU PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+-- INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+-- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+-- OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+-- HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+-- STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+-- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+-- ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+-- 
+-- The views and conclusions contained in the software and documentation
+-- are those of the authors and should not be interpreted as representing
+-- official policies, either expressed or implied, of the ZPU Project.
+
+library IEEE;
+use IEEE.STD_LOGIC_1164.all;
+use IEEE.STD_LOGIC_UNSIGNED.ALL;
+
+package wishbone_pkg is
+
+	type wishbone_bus_in is record
+		adr			: std_logic_vector(15 downto 0); 
+		sel			: std_logic_vector(3 downto 0); 
+		we			: std_logic;
+		dat			: std_logic_vector(31 downto 0); 	-- Note! Data written with 'we'
+		cyc			: std_logic; 
+		stb			: std_logic;
+	end record;
+
+	type wishbone_bus_out is record
+		dat		: std_logic_vector(31 downto 0);
+		ack			: std_logic;
+	end record;
+	
+	type wishbone_bus is record
+		insig		: wishbone_bus_in;
+		outsig  	: wishbone_bus_out;
+	end record;
+
+	component atomic32_access is
+	port (	cpu_clk			: in std_logic;
+			areset			: in std_logic;
+	
+			-- Wishbone from CPU interface
+			wb_16_i			: in wishbone_bus_in;
+			wb_16_o     	: out wishbone_bus_out;
+			-- Wishbone to FPGA registers and ethernet core
+			wb_32_i			: in wishbone_bus_out;
+			wb_32_o			: out wishbone_bus_in);
+	end component;
+	
+	component eth_access_corr is
+	port (	cpu_clk			: in std_logic;
+			areset			: in std_logic;
+	
+			-- Wishbone from Wishbone MUX
+			eth_raw_o		: out wishbone_bus_out;
+			eth_raw_i		: in wishbone_bus_in;
+			
+			-- Wishbone ethernet core
+			eth_slave_i 	: in wishbone_bus_out;
+			eth_slave_o		: out wishbone_bus_in);
+	end component;
+
+
+end wishbone_pkg;