-struct mcfpit {
- unsigned short pcsr; /* PIT control and status */
- unsigned short pmr; /* PIT modulus register */
- unsigned short pcntr; /* PIT count register */
-} __attribute__((packed));
+#define MCFPIT_PCSR 0x0 /* PIT control register */
+#define MCFPIT_PMR 0x2 /* PIT modulus register */
+#define MCFPIT_PCNTR 0x4 /* PIT count register */