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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
|
/*
* linux/include/asm-ppc/ide.h
*
* Copyright (C) 1994-1996 Linus Torvalds & authors
*/
/*
* This file contains the ppc architecture specific IDE code.
*/
#ifndef __ASMPPC_IDE_H
#define __ASMPPC_IDE_H
#include <linux/config.h>
#ifdef CONFIG_APUS
#include <linux/hdreg.h>
#define ide_init_hwif_ports m68k_ide_init_hwif_ports
#include <asm-m68k/ide.h>
#undef ide_init_hwif_ports
#undef insw
void ide_init_hwif_ports(ide_ioreg_t *p, ide_ioreg_t base, int *irq);
void ide_insw(ide_ioreg_t port, void *buf, int ns);
void ide_outsw(ide_ioreg_t port, void *buf, int ns);
#define insw(port, buf, ns) do { \
if ( _machine != _MACH_Pmac && _machine != _MACH_apus ) \
/* this must be the same as insw in io.h!! */ \
_insw((unsigned short *)((port)+_IO_BASE), (buf), (ns)); \
else \
ide_insw((port), (buf), (ns)); \
} while (0)
#undef outsw
#define outsw(port, buf, ns) do { \
if ( _machine != _MACH_Pmac && _machine != _MACH_apus ) \
/* this must be the same as outsw in io.h!! */ \
_outsw((unsigned short *)((port)+_IO_BASE), (buf), (ns)); \
else \
ide_outsw((port), (buf), (ns)); \
} while (0)
#else /* CONFIG_APUS */
#ifdef __KERNEL__
#include <linux/hdreg.h>
#include <linux/ioport.h>
#include <asm/io.h> /* so we can redefine insw/outsw */
#ifndef MAX_HWIFS
#define MAX_HWIFS 4
#endif
#undef SUPPORT_SLOW_DATA_PORTS
#define SUPPORT_SLOW_DATA_PORTS 0
#undef SUPPORT_VLB_SYNC
#define SUPPORT_VLB_SYNC 0
#define ide__sti() __sti()
typedef unsigned int ide_ioreg_t;
void ide_init_hwif_ports(ide_ioreg_t *p, ide_ioreg_t base, int *irq);
void prep_ide_init_hwif_ports(ide_ioreg_t *p, ide_ioreg_t base, int *irq);
void mbx_ide_init_hwif_ports(ide_ioreg_t *p, ide_ioreg_t base, int *irq);
void pmac_ide_init_hwif_ports(ide_ioreg_t *p, ide_ioreg_t base, int *irq);
void chrp_ide_init_hwif_ports(ide_ioreg_t *p, ide_ioreg_t base, int *irq);
void ide_insw(ide_ioreg_t port, void *buf, int ns);
void ide_outsw(ide_ioreg_t port, void *buf, int ns);
extern int pmac_ide_ports_known;
extern ide_ioreg_t pmac_ide_regbase[MAX_HWIFS];
extern int pmac_ide_irq[MAX_HWIFS];
extern void pmac_ide_probe(void);
extern int chrp_ide_ports_known;
extern ide_ioreg_t chrp_ide_regbase[MAX_HWIFS];
extern ide_ioreg_t chrp_idedma_regbase; /* one for both channels */
extern unsigned int chrp_ide_irq;
extern void chrp_ide_probe(void);
static __inline__ int ide_default_irq(ide_ioreg_t base)
{
if ( _machine == _MACH_Pmac )
return 0;
else if ( _machine == _MACH_mbx )
/* hardcode IRQ 14 on the MBX */
return 14+16;
else if ( _machine == _MACH_chrp) {
if (chrp_ide_ports_known == 0)
chrp_ide_probe();
return chrp_ide_irq;
}
switch (base) {
case 0x1f0: return 13;
case 0x170: return 13;
case 0x1e8: return 11;
case 0x168: return 10;
default:
return 0;
}
}
static __inline__ ide_ioreg_t ide_default_io_base(int index)
{
#if defined(CONFIG_BLK_DEV_IDE_PMAC)
if (_machine == _MACH_Pmac) {
return pmac_ide_regbase[index];
}
#endif
if (_machine == _MACH_mbx) return index;
if ( _machine == _MACH_chrp ) {
if (chrp_ide_ports_known == 0)
chrp_ide_probe();
return chrp_ide_regbase[index];
}
switch (index) {
case 0: return 0x1f0;
case 1: return 0x170;
case 2: return 0x1e8;
case 3: return 0x168;
default:
return 0;
}
}
static __inline__ int ide_check_region (ide_ioreg_t from, unsigned int extent)
{
if ( (_machine == _MACH_Pmac) || (_machine == _MACH_mbx))
return 0;
return check_region(from, extent);
}
static __inline__ void ide_request_region (ide_ioreg_t from, unsigned int extent, const char *name)
{
if ( (_machine == _MACH_Pmac) || (_machine == _MACH_mbx) )
return;
request_region(from, extent, name);
}
static __inline__ void ide_release_region (ide_ioreg_t from, unsigned int extent)
{
if ( (_machine == _MACH_Pmac) || (_machine == _MACH_mbx) )
return;
release_region(from, extent);
}
/* Convert the shorts/longs in hd_driveid from little to big endian;
chars are endian independent, of course, but strings need to be flipped.
(Despite what it says in drivers/block/ide.h, they come up as little endian...)
Changes to linux/hdreg.h may require changes here. */
static __inline__ void ide_fix_driveid (struct hd_driveid *id) {
if (( _machine == _MACH_Pmac ) || (_machine == _MACH_chrp)|| (_machine == _MACH_mbx) ) {
int i;
unsigned short *stringcast;
id->config = __le16_to_cpu(id->config);
id->cyls = __le16_to_cpu(id->cyls);
id->reserved2 = __le16_to_cpu(id->reserved2);
id->heads = __le16_to_cpu(id->heads);
id->track_bytes = __le16_to_cpu(id->track_bytes);
id->sector_bytes = __le16_to_cpu(id->sector_bytes);
id->sectors = __le16_to_cpu(id->sectors);
id->vendor0 = __le16_to_cpu(id->vendor0);
id->vendor1 = __le16_to_cpu(id->vendor1);
id->vendor2 = __le16_to_cpu(id->vendor2);
stringcast = (unsigned short *)&id->serial_no[0];
for (i=0; i<(20/2); i++)
stringcast[i] = __le16_to_cpu(stringcast[i]);
id->buf_type = __le16_to_cpu(id->buf_type);
id->buf_size = __le16_to_cpu(id->buf_size);
id->ecc_bytes = __le16_to_cpu(id->ecc_bytes);
stringcast = (unsigned short *)&id->fw_rev[0];
for (i=0; i<(8/2); i++)
stringcast[i] = __le16_to_cpu(stringcast[i]);
stringcast = (unsigned short *)&id->model[0];
for (i=0; i<(40/2); i++)
stringcast[i] = __le16_to_cpu(stringcast[i]);
id->dword_io = __le16_to_cpu(id->dword_io);
id->reserved50 = __le16_to_cpu(id->reserved50);
id->field_valid = __le16_to_cpu(id->field_valid);
id->cur_cyls = __le16_to_cpu(id->cur_cyls);
id->cur_heads = __le16_to_cpu(id->cur_heads);
id->cur_sectors = __le16_to_cpu(id->cur_sectors);
id->cur_capacity0 = __le16_to_cpu(id->cur_capacity0);
id->cur_capacity1 = __le16_to_cpu(id->cur_capacity1);
id->lba_capacity = __le32_to_cpu(id->lba_capacity);
id->dma_1word = __le16_to_cpu(id->dma_1word);
id->dma_mword = __le16_to_cpu(id->dma_mword);
id->eide_pio_modes = __le16_to_cpu(id->eide_pio_modes);
id->eide_dma_min = __le16_to_cpu(id->eide_dma_min);
id->eide_dma_time = __le16_to_cpu(id->eide_dma_time);
id->eide_pio = __le16_to_cpu(id->eide_pio);
id->eide_pio_iordy = __le16_to_cpu(id->eide_pio_iordy);
id->word69 = __le16_to_cpu(id->word69);
id->word70 = __le16_to_cpu(id->word70);
id->word71 = __le16_to_cpu(id->word71);
id->word72 = __le16_to_cpu(id->word72);
id->word73 = __le16_to_cpu(id->word73);
id->word74 = __le16_to_cpu(id->word74);
id->word75 = __le16_to_cpu(id->word75);
id->word76 = __le16_to_cpu(id->word76);
id->word77 = __le16_to_cpu(id->word77);
id->word78 = __le16_to_cpu(id->word78);
id->word79 = __le16_to_cpu(id->word79);
id->word80 = __le16_to_cpu(id->word80);
id->word81 = __le16_to_cpu(id->word81);
id->command_sets = __le16_to_cpu(id->command_sets);
id->word83 = __le16_to_cpu(id->word83);
id->word84 = __le16_to_cpu(id->word84);
id->word85 = __le16_to_cpu(id->word85);
id->word86 = __le16_to_cpu(id->word86);
id->word87 = __le16_to_cpu(id->word87);
id->dma_ultra = __le16_to_cpu(id->dma_ultra);
id->word89 = __le16_to_cpu(id->word89);
id->word90 = __le16_to_cpu(id->word90);
id->word91 = __le16_to_cpu(id->word91);
id->word92 = __le16_to_cpu(id->word92);
id->word93 = __le16_to_cpu(id->word93);
id->word94 = __le16_to_cpu(id->word94);
id->word95 = __le16_to_cpu(id->word95);
id->word96 = __le16_to_cpu(id->word96);
id->word97 = __le16_to_cpu(id->word97);
id->word98 = __le16_to_cpu(id->word98);
id->word99 = __le16_to_cpu(id->word99);
id->word100 = __le16_to_cpu(id->word100);
id->word101 = __le16_to_cpu(id->word101);
id->word102 = __le16_to_cpu(id->word102);
id->word103 = __le16_to_cpu(id->word103);
id->word104 = __le16_to_cpu(id->word104);
id->word105 = __le16_to_cpu(id->word105);
id->word106 = __le16_to_cpu(id->word106);
id->word107 = __le16_to_cpu(id->word107);
id->word108 = __le16_to_cpu(id->word108);
id->word109 = __le16_to_cpu(id->word109);
id->word110 = __le16_to_cpu(id->word110);
id->word111 = __le16_to_cpu(id->word111);
id->word112 = __le16_to_cpu(id->word112);
id->word113 = __le16_to_cpu(id->word113);
id->word114 = __le16_to_cpu(id->word114);
id->word115 = __le16_to_cpu(id->word115);
id->word116 = __le16_to_cpu(id->word116);
id->word117 = __le16_to_cpu(id->word117);
id->word118 = __le16_to_cpu(id->word118);
id->word119 = __le16_to_cpu(id->word119);
id->word120 = __le16_to_cpu(id->word120);
id->word121 = __le16_to_cpu(id->word121);
id->word122 = __le16_to_cpu(id->word122);
id->word123 = __le16_to_cpu(id->word123);
id->word124 = __le16_to_cpu(id->word124);
id->word125 = __le16_to_cpu(id->word125);
id->word126 = __le16_to_cpu(id->word126);
id->word127 = __le16_to_cpu(id->word127);
id->security = __le16_to_cpu(id->security);
for (i=0; i<127; i++)
id->reserved[i] = __le16_to_cpu(id->reserved[i]);
}
}
#undef insw
#define insw(port, buf, ns) do { \
if ( _machine == _MACH_chrp) {\
ide_insw((port)+_IO_BASE, (buf), (ns)); \
}\
else if ( (_machine == _MACH_Pmac) || (_machine == _MACH_mbx) ) \
ide_insw((port)+((_machine==_MACH_mbx)? 0x80000000: 0), \
(buf), (ns)); \
else \
/* this must be the same as insw in io.h!! */ \
_insw((unsigned short *)((port)+_IO_BASE), (buf), (ns)); \
} while (0)
#undef outsw
/* printk("port: %x buf: %p ns: %d\n",port,buf,ns); \ */
#define outsw(port, buf, ns) do { \
if ( _machine == _MACH_chrp) {\
ide_outsw((port)+_IO_BASE, (buf), (ns)); \
}\
else if ( (_machine == _MACH_Pmac) || (_machine == _MACH_mbx) ) \
ide_outsw((port)+((_machine==_MACH_mbx)? 0x80000000: 0), \
(buf), (ns)); \
else \
/* this must be the same as outsw in io.h!! */ \
_outsw((unsigned short *)((port)+_IO_BASE), (buf), (ns)); \
} while (0)
#undef inb
#define inb(port) \
in_8((unsigned char *)((port) + \
((_machine==_MACH_Pmac)? 0: _IO_BASE) + \
((_machine==_MACH_mbx)? 0x80000000: 0)) )
#undef inb_p
#define inb_p(port) inb(port)
#undef outb
#define outb(val, port) \
out_8((unsigned char *)((port) + \
((_machine==_MACH_Pmac)? 0: _IO_BASE) + \
((_machine==_MACH_mbx)? 0x80000000: 0)), (val) )
#undef outb_p
#define outb_p(val, port) outb(val, port)
typedef union {
unsigned all : 8; /* all of the bits together */
struct {
unsigned bit7 : 1; /* always 1 */
unsigned lba : 1; /* using LBA instead of CHS */
unsigned bit5 : 1; /* always 1 */
unsigned unit : 1; /* drive select number, 0/1 */
unsigned head : 4; /* always zeros here */
} b;
} select_t;
static __inline__ int ide_request_irq(unsigned int irq, void (*handler)(int, void *, struct pt_regs *),
unsigned long flags, const char *device, void *dev_id)
{
return request_irq(irq, handler, flags, device, dev_id);
}
static __inline__ void ide_free_irq(unsigned int irq, void *dev_id)
{
free_irq(irq, dev_id);
}
/*
* The following are not needed for the non-m68k ports
*/
#define ide_ack_intr(base, irq) (1)
#define ide_release_lock(lock) do {} while (0)
#define ide_get_lock(lock, hdlr, data) do {} while (0)
#endif /* __KERNEL__ */
#endif /* CONFIG_APUS */
#endif /* __ASMPPC_IDE_H */
|
