# define UPLL_SLEEP_MASK 0x00000002
# define UPLL_BYPASS_EN_MASK 0x00000004
# define UPLL_CTLREQ_MASK 0x00000008
-# define UPLL_REF_DIV_MASK 0x001F0000
+# define UPLL_REF_DIV_MASK 0x003F0000
# define UPLL_VCO_MODE_MASK 0x00000200
# define UPLL_CTLACK_MASK 0x40000000
# define UPLL_CTLACK2_MASK 0x80000000