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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_
#include <linux/types.h>
/* 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))
/*
** VIA 6522
*/
#define VIA1_BAS (0x50F00000)
#define VIA2_BAS (0x50F02000)
#define VIA2_BAS_IIci (0x50F26000)
struct VIA
{
u_char buf_b;
u_char dummy1[0x199];
u_char buf_a;
u_char dummy2[0x199];
u_char dir_b;
u_char dummy3[0x199];
u_char dir_a;
u_char dummy4[0x199];
u_char timer1_cl;
u_char dummy5[0x199];
u_char timer1_ch;
u_char dummy6[0x199];
u_char timer1_ll;
u_char dummy7[0x199];
u_char timer1_lh;
u_char dummy8[0x199];
u_char timer2_cl;
u_char dummy9[0x199];
u_char timer2_ch;
u_char dummy10[0x199];
u_char sr;
u_char dummy11[0x199];
u_char acr;
u_char dummy12[0x199];
u_char pcr;
u_char dummy13[0x199];
u_char int_fl;
u_char dummy14[0x199];
u_char int_en;
u_char dummy15[0x199];
u_char anr;
u_char dummy16[0x199];
};
# define via_1 ((*(volatile struct VIA *)VIA1_BAS))
# define via_2 ((*(volatile struct VIA *)VIA2_BAS))
# define via1_regp ((volatile unsigned char *)VIA1_BAS)
# define via2_regp ((volatile unsigned char *)VIA2_BAS)
# define via2_ci_regp ((volatile unsigned char *)VIA2_BAS_IIci)
# define rbv_regp ((volatile unsigned char *)VIA2_BAS_IIci)
#endif /* linux/machw.h */
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