summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include/asm/iopin_8xx.h
blob: 0123bafcaddb84e050cbd1493eba9cba51fa2a8c (plain)
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
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
/*
 * SPDX-License-Identifier:	GPL-2.0+
 */

/*
 * MPC8xx I/O port pin manipulation functions
 * Roughly based on iopin_8260.h
 */

#ifndef _ASM_IOPIN_8XX_H_
#define _ASM_IOPIN_8XX_H_

#include <linux/types.h>
#include <asm/8xx_immap.h>

#ifdef __KERNEL__

typedef struct {
	u_char port:2;	/* port number (A=0, B=1, C=2, D=3) */
	u_char pin:5;	/* port pin (0-31) */
	u_char flag:1;	/* for whatever */
} iopin_t;

#define IOPIN_PORTA	0
#define IOPIN_PORTB	1
#define IOPIN_PORTC	2
#define IOPIN_PORTD	3

extern __inline__ void
iopin_set_high(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTA) {
		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padat;
		*datp |= (1 << (15 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTB) {
		volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat;
		*datp |= (1 << (31 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTC) {
		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat;
		*datp |= (1 << (15 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTD) {
		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddat;
		*datp |= (1 << (15 - iopin->pin));
	}
}

extern __inline__ void
iopin_set_low(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTA) {
		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padat;
		*datp &= ~(1 << (15 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTB) {
		volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat;
		*datp &= ~(1 << (31 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTC) {
		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat;
		*datp &= ~(1 << (15 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTD) {
		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddat;
		*datp &= ~(1 << (15 - iopin->pin));
	}
}

extern __inline__ uint
iopin_is_high(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTA) {
		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padat;
		return (*datp >> (15 - iopin->pin)) & 1;
	} else if (iopin->port == IOPIN_PORTB) {
		volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat;
		return (*datp >> (31 - iopin->pin)) & 1;
	} else if (iopin->port == IOPIN_PORTC) {
		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat;
		return (*datp >> (15 - iopin->pin)) & 1;
	} else if (iopin->port == IOPIN_PORTD) {
		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddat;
		return (*datp >> (15 - iopin->pin)) & 1;
	}
	return 0;
}

extern __inline__ uint
iopin_is_low(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTA) {
		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padat;
		return ((*datp >> (15 - iopin->pin)) & 1) ^ 1;
	} else if (iopin->port == IOPIN_PORTB) {
		volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat;
		return ((*datp >> (31 - iopin->pin)) & 1) ^ 1;
	} else if (iopin->port == IOPIN_PORTC) {
		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat;
		return ((*datp >> (15 - iopin->pin)) & 1) ^ 1;
	} else if (iopin->port == IOPIN_PORTD) {
		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddat;
		return ((*datp >> (15 - iopin->pin)) & 1) ^ 1;
	}
	return 0;
}

extern __inline__ void
iopin_set_out(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTA) {
		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padir;
		*dirp |= (1 << (15 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTB) {
		volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir;
		*dirp |= (1 << (31 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTC) {
		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdir;
		*dirp |= (1 << (15 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTD) {
		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddir;
		*dirp |= (1 << (15 - iopin->pin));
	}
}

extern __inline__ void
iopin_set_in(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTA) {
		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padir;
		*dirp &= ~(1 << (15 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTB) {
		volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir;
		*dirp &= ~(1 << (31 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTC) {
		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdir;
		*dirp &= ~(1 << (15 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTD) {
		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddir;
		*dirp &= ~(1 << (15 - iopin->pin));
	}
}

extern __inline__ uint
iopin_is_out(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTA) {
		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padir;
		return (*dirp >> (15 - iopin->pin)) & 1;
	} else if (iopin->port == IOPIN_PORTB) {
		volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir;
		return (*dirp >> (31 - iopin->pin)) & 1;
	} else if (iopin->port == IOPIN_PORTC) {
		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdir;
		return (*dirp >> (15 - iopin->pin)) & 1;
	} else if (iopin->port == IOPIN_PORTD) {
		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddir;
		return (*dirp >> (15 - iopin->pin)) & 1;
	}
	return 0;
}

extern __inline__ uint
iopin_is_in(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTA) {
		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padir;
		return ((*dirp >> (15 - iopin->pin)) & 1) ^ 1;
	} else if (iopin->port == IOPIN_PORTB) {
		volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir;
		return ((*dirp >> (31 - iopin->pin)) & 1) ^ 1;
	} else if (iopin->port == IOPIN_PORTC) {
		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdir;
		return ((*dirp >> (15 - iopin->pin)) & 1) ^ 1;
	} else if (iopin->port == IOPIN_PORTD) {
		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddir;
		return ((*dirp >> (15 - iopin->pin)) & 1) ^ 1;
	}
	return 0;
}

extern __inline__ void
iopin_set_odr(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTA) {
		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_paodr;
		*odrp |= (1 << (15 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTB) {
		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbodr;
		*odrp |= (1 << (31 - iopin->pin));
	}
}

extern __inline__ void
iopin_set_act(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTA) {
		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_paodr;
		*odrp &= ~(1 << (15 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTB) {
		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbodr;
		*odrp &= ~(1 << (31 - iopin->pin));
	}
}

extern __inline__ uint
iopin_is_odr(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTA) {
		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_paodr;
		return (*odrp >> (15 - iopin->pin)) & 1;
	} else if (iopin->port == IOPIN_PORTB) {
		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbodr;
		return (*odrp >> (31 - iopin->pin)) & 1;
	}
	return 0;
}

extern __inline__ uint
iopin_is_act(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTA) {
		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_paodr;
		return ((*odrp >> (15 - iopin->pin)) & 1) ^ 1;
	} else if (iopin->port == IOPIN_PORTB) {
		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbodr;
		return ((*odrp >> (31 - iopin->pin)) & 1) ^ 1;
	}
	return 0;
}

extern __inline__ void
iopin_set_ded(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTA) {
		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_papar;
		*parp |= (1 << (15 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTB) {
		volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar;
		*parp |= (1 << (31 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTC) {
		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcpar;
		*parp |= (1 << (15 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTD) {
		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdpar;
		*parp |= (1 << (15 - iopin->pin));
	}
}

extern __inline__ void
iopin_set_gen(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTA) {
		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_papar;
		*parp &= ~(1 << (15 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTB) {
		volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar;
		*parp &= ~(1 << (31 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTC) {
		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcpar;
		*parp &= ~(1 << (15 - iopin->pin));
	} else if (iopin->port == IOPIN_PORTD) {
		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdpar;
		*parp &= ~(1 << (15 - iopin->pin));
	}
}

extern __inline__ uint
iopin_is_ded(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTA) {
		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_papar;
		return (*parp >> (15 - iopin->pin)) & 1;
	} else if (iopin->port == IOPIN_PORTB) {
		volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar;
		return (*parp >> (31 - iopin->pin)) & 1;
	} else if (iopin->port == IOPIN_PORTC) {
		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcpar;
		return (*parp >> (15 - iopin->pin)) & 1;
	} else if (iopin->port == IOPIN_PORTD) {
		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdpar;
		return (*parp >> (15 - iopin->pin)) & 1;
	}
	return 0;
}

extern __inline__ uint
iopin_is_gen(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTA) {
		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_papar;
		return ((*parp >> (15 - iopin->pin)) & 1) ^ 1;
	} else if (iopin->port == IOPIN_PORTB) {
		volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar;
		return ((*parp >> (31 - iopin->pin)) & 1) ^ 1;
	} else if (iopin->port == IOPIN_PORTC) {
		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcpar;
		return ((*parp >> (15 - iopin->pin)) & 1) ^ 1;
	} else if (iopin->port == IOPIN_PORTD) {
		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdpar;
		return ((*parp >> (15 - iopin->pin)) & 1) ^ 1;
	}
	return 0;
}

extern __inline__ void
iopin_set_opt2(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTC) {
		volatile ushort *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcso;
		*sorp |= (1 << (15 - iopin->pin));
	}
}

extern __inline__ void
iopin_set_opt1(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTC) {
		volatile ushort *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcso;
		*sorp &= ~(1 << (15 - iopin->pin));
	}
}

extern __inline__ uint
iopin_is_opt2(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTC) {
		volatile ushort *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcso;
		return (*sorp >> (15 - iopin->pin)) & 1;
	}
	return 0;
}

extern __inline__ uint
iopin_is_opt1(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTC) {
		volatile ushort *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcso;
		return ((*sorp >> (15 - iopin->pin)) & 1) ^ 1;
	}
	return 0;
}

extern __inline__ void
iopin_set_falledge(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTC) {
		volatile ushort *intp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcint;
		*intp |= (1 << (15 - iopin->pin));
	}
}

extern __inline__ void
iopin_set_anyedge(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTC) {
		volatile ushort *intp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcint;
		*intp &= ~(1 << (15 - iopin->pin));
	}
}

extern __inline__ uint
iopin_is_falledge(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTC) {
		volatile ushort *intp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcint;
		return (*intp >> (15 - iopin->pin)) & 1;
	}
	return 0;
}

extern __inline__ uint
iopin_is_anyedge(iopin_t *iopin)
{
	if (iopin->port == IOPIN_PORTC) {
		volatile ushort *intp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcint;
		return ((*intp >> (15 - iopin->pin)) & 1) ^ 1;
	}
	return 0;
}

#endif /* __KERNEL__ */

#endif /* _ASM_IOPIN_8XX_H_ */
OpenPOWER on IntegriCloud