copyleft: gplv3 added and set repo to public

[calu.git] / cpu / src / extension_uart_pkg.vhd

diff --git a/cpu/src/extension_uart_pkg.vhd b/cpu/src/extension_uart_pkg.vhd
index 2a4ca4b1ca2e24c187e0dfab761902dccefeab6b..f3eb6aa686fe5fe2bdd320b73567c17dda2af4d9 100644 (file)
--- a/cpu/src/extension_uart_pkg.vhd
+++ b/cpu/src/extension_uart_pkg.vhd
@@ -1,3 +1,24 @@
+--   `Deep Thought', a softcore CPU implemented on a FPGA
+--
+--  Copyright (C) 2010 Markus Hofstaetter <markus.manrow@gmx.at>
+--  Copyright (C) 2010 Martin Perner <e0725782@student.tuwien.ac.at>
+--  Copyright (C) 2010 Stefan Rebernig <stefan.rebernig@gmail.com>
+--  Copyright (C) 2010 Manfred Schwarz <e0725898@student.tuwien.ac.at>
+--  Copyright (C) 2010 Bernhard Urban <lewurm@gmail.com>
+--
+--  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 3 of the License, or
+--  (at your option) any later version.
+--
+--  This program is distributed in the hope that it will be useful,
+--  but WITHOUT ANY WARRANTY; without even the implied warranty of
+--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+--  GNU General Public License for more details.
+--
+--  You should have received a copy of the GNU General Public License
+--  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 library IEEE;
 
 use IEEE.std_logic_1164.all;
@@ -22,13 +43,16 @@ subtype baud_rate_l is std_logic_vector(BAUD_RATE_WIDTH-1 downto 0);
 --constant CLK_FREQ_MHZ : real := 33.33;
 --constant BAUD_RATE : integer := 115200;
 --constant CLK_PER_BAUD : integer := integer((CLK_FREQ_MHZ * 1000000.0) / real(BAUD_RATE) - 0.5);
-constant CLK_PER_BAUD : integer := 434;
+-- constant CLK_PER_BAUD : integer := 434;
+-- constant CLK_PER_BAUD : integer := 2083; -- @uni, bei 20MHz und 9600 Baud
+-- constant CLK_PER_BAUD : integer := 50; -- @modelsim
 
  component extension_uart is
         --some modules won't need all inputs/outputs
        generic (
                        -- active reset value
-                       RESET_VALUE : std_logic
+                       RESET_VALUE : std_logic;
+                       CLK_PER_BAUD : integer
                        );
        port(
                --System inputs