#ifndef SIO_COM1 #define SIO_COM1_BASE 0x3F8 #endif #ifndef SIO_COM2 #define SIO_COM2_BASE 0x2F8 #endif struct chip_operations; extern struct chip_operations superio_NSC_pc8374_ops; #include #include struct superio_NSC_pc8374_config { struct uart8250 com1, com2; struct pc_keyboard keyboard; };