- added generic for initial value

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git-svn-id: http://moon:8086/svn/vhdl/trunk@892 cc03376c-175c-47c8-b038-4cd826a8556b

lib/emac/src/crc32.vhd

@@ -6,6 +6,10 @@ use std.textio.all; --  Imports the standard textio package.
 use work.utils_pkg.all; --  Imports the standard textio package.
 
 ENTITY crc32 IS
+	Generic
+	(
+		crc32_init	: unsigned(31 downto 0) := X"00000000"
+	);
 	Port
 	(
 		rst			: in  STD_LOGIC;
@@ -48,7 +52,7 @@ begin
 	if rising_edge(clk) then
 		crc32_vld	<= not rst and din_vld;
 		if rst = '1' then
-			crc0		<= (others => '0');
+			crc0		<= crc32_init;
 		elsif din_vld = '1' then	
 			crc0		<= crc2;
 		end if;