KN01_SYS_SII_B_START
#define SII_BUF_ADDR (MIPS_PHYS_TO_KSEG1(KN01_SYS_SII_B_START) \
sc->sc_buf = (void*)(MIPS_PHYS_TO_KSEG1(KN01_SYS_SII_B_START));