arch/ppc/boot/include/serial.h

   1 /*
   2  * A really private header file for the (dumb) serial driver in arch/ppc/boot
   3  *
   4  * Shamelessly taken from include/linux/serialP.h:
   5  *
   6  * Copyright (C) 1997 by Theodore Ts'o.
   7  *
   8  * Redistribution of this file is permitted under the terms of the GNU
   9  * Public License (GPL)
  10  */
  11
  12 #ifndef _PPC_BOOT_SERIALP_H
  13 #define _PPC_BOOT_SERIALP_H
  14
  15 /*
  16  * This is our internal structure for each serial port's state.
  17  *
  18  * Many fields are paralleled by the structure used by the serial_struct
  19  * structure.
  20  *
  21  * Given that this is how SERIAL_PORT_DFNS are done, and that we need
  22  * to use a few of their fields, we need to have our own copy of it.
  23  */
  24 struct serial_state {
  25         int     magic;
  26         int     baud_base;
  27         unsigned long   port;
  28         int     irq;
  29         int     flags;
  30         int     hub6;
  31         int     type;
  32         int     line;
  33         int     revision;       /* Chip revision (950) */
  34         int     xmit_fifo_size;
  35         int     custom_divisor;
  36         int     count;
  37         u8      *iomem_base;
  38         u16     iomem_reg_shift;
  39         unsigned short  close_delay;
  40         unsigned short  closing_wait; /* time to wait before closing */
  41         unsigned long   icount;
  42         int     io_type;
  43         void    *info;
  44         void    *dev;
  45 };
  46 #endif /* _PPC_BOOT_SERIAL_H */