#define CPU_CLK_SRC_OSC24M 0
#define CPU_CLK_SRC_PLL1 1
-#define CCM_PLL1_CTRL_N(n) ((((n) - 1) & 0xff) << 8)
+#define CCM_PLL1_CTRL_N(n) (((n) & 0xff) << 8)
#define CCM_PLL1_CTRL_P(n) (((n) & 0x1) << 16)
#define CCM_PLL1_CTRL_EN (0x1 << 31)
#define CMM_PLL1_CLOCK_TIME_2 (0x2 << 24)