CHIP_REV_Bx
#define CHIP_REV_Bx 0x00001000
((CHIP_REV(_p) == CHIP_REV_Bx) || \
(CHIP_REV_SIM(_p) == CHIP_REV_Bx)))
else if (chip_rev == CHIP_REV_Bx)
#define CHIP_REV_Bx (0x1<<CHIP_REV_SHIFT)
#define CHIP_IS_E3B0(_p) (CHIP_IS_E3(_p)&&( (CHIP_REV(_p) == CHIP_REV_Bx)||(CHIP_REV_SIM(_p) == CHIP_REV_Bx)))