CPLD_WORD_SEL
#define CPLD_EXT_WORDCLOCK_256FS (CPLD_CKS1 | CPLD_WORD_SEL |\
new &= ~(CPLD_CKS_MASK | CPLD_WORD_SEL);
val &= (CPLD_CKS_MASK | CPLD_WORD_SEL | CPLD_SYNC_SEL);