Ported and renamed reconfig into gxb_reconfig_v111 (used by tr_xaui).

See added readme_ip_stratixiv.txt for explanation.

libraries/technology/ip_stratixiv/ip_stratixiv_gxb_reconfig_v111.vhd

+-------------------------------------------------------------------------------
+--
+-- Copyright (C) 2014
+-- ASTRON (Netherlands Institute for Radio Astronomy) <http://www.astron.nl/>
+-- P.O.Box 2, 7990 AA Dwingeloo, The Netherlands
+--
+-- 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/>.
+--
+-------------------------------------------------------------------------------
+
+
+-- Purpose : Create one gxb_reconfig module for all ALTGX instances.
+   
+
+LIBRARY ieee, technology_lib;
+USE ieee.std_logic_1164.ALL;
+USE technology_lib.technology_pkg.ALL;
+
+ENTITY ip_stratixiv_gxb_reconfig_v111 IS
+  GENERIC (
+    g_soft          : BOOLEAN := FALSE;
+    g_nof_gx        : NATURAL;
+    g_fromgxb_bus_w : NATURAL := 17;
+    g_togxb_bus_w   : NATURAL := 4
+  );
+  PORT (
+    reconfig_clk     : IN STD_LOGIC;
+    reconfig_fromgxb : IN STD_LOGIC_VECTOR(tech_ceil_div(g_nof_gx, 4)*g_fromgxb_bus_w-1 DOWNTO 0);
+    busy             : OUT STD_LOGIC;
+    reconfig_togxb   : OUT STD_LOGIC_VECTOR(g_togxb_bus_w-1 DOWNTO 0)
+  );
+END ip_stratixiv_gxb_reconfig_v111;
+
+
+ARCHITECTURE str OF ip_stratixiv_gxb_reconfig_v111 IS
+BEGIN
+
+  gen_gx_reconfig_4 : IF g_nof_gx = 4 AND g_soft = FALSE GENERATE
+    u_gx_reconfig_4 : ENTITY work.ip_stratixiv_gxb_reconfig_v111_4
+    PORT MAP (
+      reconfig_clk        => reconfig_clk,
+      reconfig_fromgxb    => reconfig_fromgxb,
+      busy                => busy,
+      reconfig_togxb      => reconfig_togxb
+    );
+  END GENERATE;
+        
+  gen_gx_reconfig_4 : IF g_nof_gx = 4 AND g_soft = TRUE GENERATE
+    u_gx_reconfig_4 : ENTITY work.ip_stratixiv_gxb_reconfig_v111_soft_4
+    PORT MAP (
+      reconfig_clk        => reconfig_clk,
+      reconfig_fromgxb    => reconfig_fromgxb,
+      busy                => busy,
+      reconfig_togxb      => reconfig_togxb
+    );
+  END GENERATE;
+  
+END str;
+