root/include/asm-m68k/machw.h

/*
** linux/machw.h -- This header defines some macros and pointers for
**                    the various Macintosh custom hardware registers.
**
** Copyright 1997 by Michael Schmitz
**
** This file is subject to the terms and conditions of the GNU General Public
** License.  See the file COPYING in the main directory of this archive
** for more details.
**
*/

#ifndef _ASM_MACHW_H_
#define _ASM_MACHW_H_

/*
 * head.S maps the videomem to VIDEOMEMBASE
 */

#define VIDEOMEMBASE    0xf0000000
#define VIDEOMEMSIZE    (4096*1024)
#define VIDEOMEMMASK    (-4096*1024)

#ifndef __ASSEMBLY__

#include <linux/types.h>

#if 0
/* Mac SCSI Controller 5380 */

#define MAC_5380_BAS    (0x50F10000) /* This is definitely wrong!! */
struct MAC_5380 {
        u_char  scsi_data;
        u_char  char_dummy1;
        u_char  scsi_icr;
        u_char  char_dummy2;
        u_char  scsi_mode;
        u_char  char_dummy3;
        u_char  scsi_tcr;
        u_char  char_dummy4;
        u_char  scsi_idstat;
        u_char  char_dummy5;
        u_char  scsi_dmastat;
        u_char  char_dummy6;
        u_char  scsi_targrcv;
        u_char  char_dummy7;
        u_char  scsi_inircv;
};
#define mac_scsi       ((*(volatile struct MAC_5380 *)MAC_5380_BAS))

/*
** SCC Z8530
*/

#define MAC_SCC_BAS (0x50F04000)
struct MAC_SCC
 {
  u_char cha_a_ctrl;
  u_char char_dummy1;
  u_char cha_a_data;
  u_char char_dummy2;
  u_char cha_b_ctrl;
  u_char char_dummy3;
  u_char cha_b_data;
 };
# define mac_scc ((*(volatile struct SCC*)MAC_SCC_BAS))
#endif

#endif /* __ASSEMBLY__ */

#endif /* linux/machw.h */