include/console/serial.h

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#ifndef CONSOLE_SERIAL_H_INCLUDED
#define CONSOLE_SERIAL_H_INCLUDED

#include <status-codes.h>
#include <chip/usart.h>

extern void __serial_console_bad_constant_port(unsigned int port);

extern int __serial_console_init(struct console *con, unsigned int port,
                void *regs, unsigned long baud_rate, unsigned long flags);

#define SERIAL_ENABLE_TX        (1 << 0)        
#define SERIAL_ENABLE_RX        (1 << 1)        


static inline int serial_console_init(struct console *con, unsigned int port,
                unsigned long baud_rate, unsigned long flags)
{
        void            *regs;
        int             ret;

        regs = get_usart_regs(port);
        if (!regs) {
                if (is_constant(port))
                        __serial_console_bad_constant_port(port);
                return -STATUS_INVALID_PARAM;
        }

        ret = __serial_console_init(con, port, regs, baud_rate, flags);
        if (ret)
                return ret;

        return 0;
}

#endif /* CONSOLE_SERIAL_H_INCLUDED */

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