#define EPLL 2
#define HPLL 3
#define VPLL 4
+#define BPLL 5
unsigned long get_pll_clk(int pllreg);
unsigned long get_arm_clk(void);
+unsigned long get_i2c_clk(void);
unsigned long get_pwm_clk(void);
unsigned long get_uart_clk(int dev_index);
void set_mmc_clk(int dev_index, unsigned int div);