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/*
** 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 */
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