1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/*
** 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>
/* 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)
/*
* OSS/RBV base address
*/
#define OSS_BAS 0x50f1a000
#define PSC_BAS 0x50f31000
/* move to oss.h?? */
#define nIFR 0x203
#define oIFR 0x202
/* hardware stuff */
#define MACHW_DECLARE(name) unsigned name : 1
#define MACHW_SET(name) (mac_hw_present.name = 1)
#define MACHW_PRESENT(name) (mac_hw_present.name)
struct {
/* video hardware */
/* sound hardware */
/* disk storage interfaces */
MACHW_DECLARE(MAC_SCSI_80); /* Directly mapped NCR5380 */
MACHW_DECLARE(MAC_SCSI_96); /* 53c9[46] */
MACHW_DECLARE(MAC_SCSI_96_2); /* 2nd 53c9[46] Q900 and Q950 */
MACHW_DECLARE(IDE); /* IDE Interface */
/* other I/O hardware */
MACHW_DECLARE(SCC); /* Serial Communications Contr. */
/* DMA */
MACHW_DECLARE(SCSI_DMA); /* DMA for the NCR5380 */
/* real time clocks */
MACHW_DECLARE(RTC_CLK); /* clock chip */
/* supporting hardware */
MACHW_DECLARE(VIA1); /* Versatile Interface Ad. 1 */
MACHW_DECLARE(VIA2); /* Versatile Interface Ad. 2 */
MACHW_DECLARE(RBV); /* Versatile Interface Ad. 2+ */
/* NUBUS */
MACHW_DECLARE(NUBUS); /* NUBUS */
} mac_hw_present;
/* extern struct mac_hw_present mac_hw_present; */
#endif /* __ASSEMBLY__ */
#endif /* linux/machw.h */
|
