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-rw-r--r--zpu/hdl/wishbone/zpu_wb_bridge.vhd166
1 files changed, 83 insertions, 83 deletions
diff --git a/zpu/hdl/wishbone/zpu_wb_bridge.vhd b/zpu/hdl/wishbone/zpu_wb_bridge.vhd
index 226d839..086ae11 100644
--- a/zpu/hdl/wishbone/zpu_wb_bridge.vhd
+++ b/zpu/hdl/wishbone/zpu_wb_bridge.vhd
@@ -1,83 +1,83 @@
--- ZPU
---
--- Copyright 2004-2008 oharboe - Řyvind 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;
-
-library work;
-use work.phi_config.all;
-use work.wishbone_pkg.all;
-use work.zpupkg.all;
-use work.zpu_config.all;
-
-entity zpu_wb_bridge is
- port ( -- Native ZPU interface
- clk : in std_logic;
- areset : in std_logic;
-
- mem_req : in std_logic;
- mem_we : in std_logic;
- mem_ack : out std_logic;
- mem_read : out std_logic_vector(wordSize-1 downto 0);
- mem_write : in std_logic_vector(wordSize-1 downto 0);
- out_mem_addr : in std_logic_vector(maxAddrBitIncIO downto 0);
- mem_writeMask : in std_logic_vector(wordBytes-1 downto 0);
-
- -- Wishbone from ZPU
- zpu_wb_i : in wishbone_bus_out;
- zpu_wb_o : out wishbone_bus_in);
-
-end zpu_wb_bridge;
-
-architecture behave of zpu_wb_bridge is
-
-begin
-
- mem_read <= zpu_wb_i.dat;
- mem_ack <= zpu_wb_i.ack;
-
- zpu_wb_o.adr <= "000000" & out_mem_addr(27) & out_mem_addr(24 downto 0);
- zpu_wb_o.dat <= mem_write;
- zpu_wb_o.sel <= mem_writeMask;
- zpu_wb_o.stb <= mem_req;
- zpu_wb_o.cyc <= mem_req;
- zpu_wb_o.we <= mem_we;
-
-end behave;
-
-
-
-
-
+-- ZPU
+--
+-- Copyright 2004-2008 oharboe - Řyvind 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;
+
+library work;
+use work.phi_config.all;
+use work.wishbone_pkg.all;
+use work.zpupkg.all;
+use work.zpu_config.all;
+
+entity zpu_wb_bridge is
+ port ( -- Native ZPU interface
+ clk : in std_logic;
+ areset : in std_logic;
+
+ mem_req : in std_logic;
+ mem_we : in std_logic;
+ mem_ack : out std_logic;
+ mem_read : out std_logic_vector(wordSize-1 downto 0);
+ mem_write : in std_logic_vector(wordSize-1 downto 0);
+ out_mem_addr : in std_logic_vector(maxAddrBitIncIO downto 0);
+ mem_writeMask : in std_logic_vector(wordBytes-1 downto 0);
+
+ -- Wishbone from ZPU
+ zpu_wb_i : in wishbone_bus_out;
+ zpu_wb_o : out wishbone_bus_in);
+
+end zpu_wb_bridge;
+
+architecture behave of zpu_wb_bridge is
+
+begin
+
+ mem_read <= zpu_wb_i.dat;
+ mem_ack <= zpu_wb_i.ack;
+
+ zpu_wb_o.adr <= "000000" & out_mem_addr(27) & out_mem_addr(24 downto 0);
+ zpu_wb_o.dat <= mem_write;
+ zpu_wb_o.sel <= mem_writeMask;
+ zpu_wb_o.stb <= mem_req;
+ zpu_wb_o.cyc <= mem_req;
+ zpu_wb_o.we <= mem_we;
+
+end behave;
+
+
+
+
+
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