- changed frequencies into MHz units (real data type)

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git-svn-id: http://moon:8086/svn/vhdl/trunk@734 cc03376c-175c-47c8-b038-4cd826a8556b

lib/misc/gpio_wb.vhd

@@ -5,7 +5,7 @@ USE IEEE.NUMERIC_STD.ALL;
 ENTITY gpio_wb IS
 	Generic
 	(
-		f_sysclk_hz		: natural := 100E6
+		f_sysclk	: real	:= 100.0
 	);
 	Port
 	(
@@ -34,7 +34,7 @@ END gpio_wb;
 ARCHITECTURE behavior OF gpio_wb IS
 
 	constant num_timers	: natural := 2;
-	constant ncycles_usec	: natural := f_sysclk_hz/1E6;
+	constant ncycles_usec	: natural := natural(f_sysclk + 0.5);
 	
 	signal gpo0_reg		: unsigned(31 downto 0);
 	signal gpo1_reg		: unsigned(31 downto 0);