root/include/linux/serial_sci.h

#ifndef __LINUX_SERIAL_SCI_H
#define __LINUX_SERIAL_SCI_H

#include <linux/serial_core.h>

/*
 * Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts)
 */

/* Offsets into the sci_port->irqs array */
enum {
        SCIx_ERI_IRQ,
        SCIx_RXI_IRQ,
        SCIx_TXI_IRQ,
        SCIx_BRI_IRQ,
        SCIx_NR_IRQS,
};

/*
 * Platform device specific platform_data struct
 */
struct plat_sci_port {
        void __iomem    *membase;               /* io cookie */
        unsigned long   mapbase;                /* resource base */
        unsigned int    irqs[SCIx_NR_IRQS];     /* ERI, RXI, TXI, BRI */
        unsigned int    type;                   /* SCI / SCIF / IRDA */
        upf_t           flags;                  /* UPF_* flags */
};

int early_sci_setup(struct uart_port *port);

#endif /* __LINUX_SERIAL_SCI_H */