A_DUART           270 arch/mips/include/asm/sibyte/sb1250_regs.h 	(A_DUART + DUART_CHANREG_SPACING * ((chan) + 1) + (reg))
A_DUART           298 arch/mips/include/asm/sibyte/sb1250_regs.h 	(A_DUART + DUART_CHANREG_SPACING * 3 + (reg))