STIME0_SEL_SHIFT
writeb(addr + SIOP_STIME0, (0xb << STIME0_SEL_SHIFT));
(0xc << STIME0_SEL_SHIFT));
(0xc << STIME0_SEL_SHIFT));
writeb(addr + SIOP_STIME0, (0xb << STIME0_SEL_SHIFT));
(0xb << STIME0_SEL_SHIFT));