IMX_UFCR_TXTL_SHIFT
ufcr = (n << IMX_UFCR_TXTL_SHIFT) |
ufcr |= (8 << IMX_UFCR_TXTL_SHIFT);
#define IMX_UFCR_TXTL __BITS(15,IMX_UFCR_TXTL_SHIFT) /* rw */