csl 6455关于寄存器基地址在哪定义的呢，例如CSL_I2cRegs; 这个地址在程序中哪定义的

typedef struct {
volatile Uint32 ICOAR;
volatile Uint32 ICIMR;
volatile Uint32 ICSTR;
volatile Uint32 ICCLKL;
volatile Uint32 ICCLKH;
volatile Uint32 ICCNT;
volatile Uint32 ICDRR;
volatile Uint32 ICSAR;
volatile Uint32 ICDXR;
volatile Uint32 ICMDR;
volatile Uint32 ICIVR;
volatile Uint32 ICEMDR;
volatile Uint32 ICPSC;
} CSL_I2cRegs;