NFORCE4_USB2_SHIFT
#define NFORCE4_USB2_MASK (0xf << NFORCE4_USB2_SHIFT)
pin = (reg & NFORCE4_USB2_MASK) >> NFORCE4_USB2_SHIFT;
#define NFORCE4_USB2_MASK (0xf << NFORCE4_USB2_SHIFT)
pin = (reg & NFORCE4_USB2_MASK) >> NFORCE4_USB2_SHIFT;