summaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-pxa/include/plat/mfp.h
blob: 10bc4f3757d1cb468a2e7c690015d63d0e874dae (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
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
/*
 * arch/arm/plat-pxa/include/plat/mfp.h
 *
 *   Common Multi-Function Pin Definitions
 *
 * Copyright (C) 2007 Marvell International Ltd.
 *
 * 2007-8-21: eric miao <eric.miao@marvell.com>
 *            initial version
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 */

#ifndef __ASM_PLAT_MFP_H
#define __ASM_PLAT_MFP_H

#define mfp_to_gpio(m)	((m) % 256)

/* list of all the configurable MFP pins */
enum {
	MFP_PIN_INVALID = -1,

	MFP_PIN_GPIO0 = 0,
	MFP_PIN_GPIO1,
	MFP_PIN_GPIO2,
	MFP_PIN_GPIO3,
	MFP_PIN_GPIO4,
	MFP_PIN_GPIO5,
	MFP_PIN_GPIO6,
	MFP_PIN_GPIO7,
	MFP_PIN_GPIO8,
	MFP_PIN_GPIO9,
	MFP_PIN_GPIO10,
	MFP_PIN_GPIO11,
	MFP_PIN_GPIO12,
	MFP_PIN_GPIO13,
	MFP_PIN_GPIO14,
	MFP_PIN_GPIO15,
	MFP_PIN_GPIO16,
	MFP_PIN_GPIO17,
	MFP_PIN_GPIO18,
	MFP_PIN_GPIO19,
	MFP_PIN_GPIO20,
	MFP_PIN_GPIO21,
	MFP_PIN_GPIO22,
	MFP_PIN_GPIO23,
	MFP_PIN_GPIO24,
	MFP_PIN_GPIO25,
	MFP_PIN_GPIO26,
	MFP_PIN_GPIO27,
	MFP_PIN_GPIO28,
	MFP_PIN_GPIO29,
	MFP_PIN_GPIO30,
	MFP_PIN_GPIO31,
	MFP_PIN_GPIO32,
	MFP_PIN_GPIO33,
	MFP_PIN_GPIO34,
	MFP_PIN_GPIO35,
	MFP_PIN_GPIO36,
	MFP_PIN_GPIO37,
	MFP_PIN_GPIO38,
	MFP_PIN_GPIO39,
	MFP_PIN_GPIO40,
	MFP_PIN_GPIO41,
	MFP_PIN_GPIO42,
	MFP_PIN_GPIO43,
	MFP_PIN_GPIO44,
	MFP_PIN_GPIO45,
	MFP_PIN_GPIO46,
	MFP_PIN_GPIO47,
	MFP_PIN_GPIO48,
	MFP_PIN_GPIO49,
	MFP_PIN_GPIO50,
	MFP_PIN_GPIO51,
	MFP_PIN_GPIO52,
	MFP_PIN_GPIO53,
	MFP_PIN_GPIO54,
	MFP_PIN_GPIO55,
	MFP_PIN_GPIO56,
	MFP_PIN_GPIO57,
	MFP_PIN_GPIO58,
	MFP_PIN_GPIO59,
	MFP_PIN_GPIO60,
	MFP_PIN_GPIO61,
	MFP_PIN_GPIO62,
	MFP_PIN_GPIO63,
	MFP_PIN_GPIO64,
	MFP_PIN_GPIO65,
	MFP_PIN_GPIO66,
	MFP_PIN_GPIO67,
	MFP_PIN_GPIO68,
	MFP_PIN_GPIO69,
	MFP_PIN_GPIO70,
	MFP_PIN_GPIO71,
	MFP_PIN_GPIO72,
	MFP_PIN_GPIO73,
	MFP_PIN_GPIO74,
	MFP_PIN_GPIO75,
	MFP_PIN_GPIO76,
	MFP_PIN_GPIO77,
	MFP_PIN_GPIO78,
	MFP_PIN_GPIO79,
	MFP_PIN_GPIO80,
	MFP_PIN_GPIO81,
	MFP_PIN_GPIO82,
	MFP_PIN_GPIO83,
	MFP_PIN_GPIO84,
	MFP_PIN_GPIO85,
	MFP_PIN_GPIO86,
	MFP_PIN_GPIO87,
	MFP_PIN_GPIO88,
	MFP_PIN_GPIO89,
	MFP_PIN_GPIO90,
	MFP_PIN_GPIO91,
	MFP_PIN_GPIO92,
	MFP_PIN_GPIO93,
	MFP_PIN_GPIO94,
	MFP_PIN_GPIO95,
	MFP_PIN_GPIO96,
	MFP_PIN_GPIO97,
	MFP_PIN_GPIO98,
	MFP_PIN_GPIO99,
	MFP_PIN_GPIO100,
	MFP_PIN_GPIO101,
	MFP_PIN_GPIO102,
	MFP_PIN_GPIO103,
	MFP_PIN_GPIO104,
	MFP_PIN_GPIO105,
	MFP_PIN_GPIO106,
	MFP_PIN_GPIO107,
	MFP_PIN_GPIO108,
	MFP_PIN_GPIO109,
	MFP_PIN_GPIO110,
	MFP_PIN_GPIO111,
	MFP_PIN_GPIO112,
	MFP_PIN_GPIO113,
	MFP_PIN_GPIO114,
	MFP_PIN_GPIO115,
	MFP_PIN_GPIO116,
	MFP_PIN_GPIO117,
	MFP_PIN_GPIO118,
	MFP_PIN_GPIO119,
	MFP_PIN_GPIO120,
	MFP_PIN_GPIO121,
	MFP_PIN_GPIO122,
	MFP_PIN_GPIO123,
	MFP_PIN_GPIO124,
	MFP_PIN_GPIO125,
	MFP_PIN_GPIO126,
	MFP_PIN_GPIO127,

	MFP_PIN_GPIO128,
	MFP_PIN_GPIO129,
	MFP_PIN_GPIO130,
	MFP_PIN_GPIO131,
	MFP_PIN_GPIO132,
	MFP_PIN_GPIO133,
	MFP_PIN_GPIO134,
	MFP_PIN_GPIO135,
	MFP_PIN_GPIO136,
	MFP_PIN_GPIO137,
	MFP_PIN_GPIO138,
	MFP_PIN_GPIO139,
	MFP_PIN_GPIO140,
	MFP_PIN_GPIO141,
	MFP_PIN_GPIO142,
	MFP_PIN_GPIO143,
	MFP_PIN_GPIO144,
	MFP_PIN_GPIO145,
	MFP_PIN_GPIO146,
	MFP_PIN_GPIO147,
	MFP_PIN_GPIO148,
	MFP_PIN_GPIO149,
	MFP_PIN_GPIO150,
	MFP_PIN_GPIO151,
	MFP_PIN_GPIO152,
	MFP_PIN_GPIO153,
	MFP_PIN_GPIO154,
	MFP_PIN_GPIO155,
	MFP_PIN_GPIO156,
	MFP_PIN_GPIO157,
	MFP_PIN_GPIO158,
	MFP_PIN_GPIO159,
	MFP_PIN_GPIO160,
	MFP_PIN_GPIO161,
	MFP_PIN_GPIO162,
	MFP_PIN_GPIO163,
	MFP_PIN_GPIO164,
	MFP_PIN_GPIO165,
	MFP_PIN_GPIO166,
	MFP_PIN_GPIO167,
	MFP_PIN_GPIO168,
	MFP_PIN_GPIO169,
	MFP_PIN_GPIO170,
	MFP_PIN_GPIO171,
	MFP_PIN_GPIO172,
	MFP_PIN_GPIO173,
	MFP_PIN_GPIO174,
	MFP_PIN_GPIO175,
	MFP_PIN_GPIO176,
	MFP_PIN_GPIO177,
	MFP_PIN_GPIO178,
	MFP_PIN_GPIO179,
	MFP_PIN_GPIO180,
	MFP_PIN_GPIO181,
	MFP_PIN_GPIO182,
	MFP_PIN_GPIO183,
	MFP_PIN_GPIO184,
	MFP_PIN_GPIO185,
	MFP_PIN_GPIO186,
	MFP_PIN_GPIO187,
	MFP_PIN_GPIO188,
	MFP_PIN_GPIO189,
	MFP_PIN_GPIO190,
	MFP_PIN_GPIO191,

	MFP_PIN_GPIO255 = 255,

	MFP_PIN_GPIO0_2,
	MFP_PIN_GPIO1_2,
	MFP_PIN_GPIO2_2,
	MFP_PIN_GPIO3_2,
	MFP_PIN_GPIO4_2,
	MFP_PIN_GPIO5_2,
	MFP_PIN_GPIO6_2,
	MFP_PIN_GPIO7_2,
	MFP_PIN_GPIO8_2,
	MFP_PIN_GPIO9_2,
	MFP_PIN_GPIO10_2,
	MFP_PIN_GPIO11_2,
	MFP_PIN_GPIO12_2,
	MFP_PIN_GPIO13_2,
	MFP_PIN_GPIO14_2,
	MFP_PIN_GPIO15_2,
	MFP_PIN_GPIO16_2,
	MFP_PIN_GPIO17_2,

	MFP_PIN_ULPI_STP,
	MFP_PIN_ULPI_NXT,
	MFP_PIN_ULPI_DIR,

	MFP_PIN_nXCVREN,
	MFP_PIN_DF_CLE_nOE,
	MFP_PIN_DF_nADV1_ALE,
	MFP_PIN_DF_SCLK_E,
	MFP_PIN_DF_SCLK_S,
	MFP_PIN_nBE0,
	MFP_PIN_nBE1,
	MFP_PIN_DF_nADV2_ALE,
	MFP_PIN_DF_INT_RnB,
	MFP_PIN_DF_nCS0,
	MFP_PIN_DF_nCS1,
	MFP_PIN_nLUA,
	MFP_PIN_nLLA,
	MFP_PIN_DF_nWE,
	MFP_PIN_DF_ALE_nWE,
	MFP_PIN_DF_nRE_nOE,
	MFP_PIN_DF_ADDR0,
	MFP_PIN_DF_ADDR1,
	MFP_PIN_DF_ADDR2,
	MFP_PIN_DF_ADDR3,
	MFP_PIN_DF_IO0,
	MFP_PIN_DF_IO1,
	MFP_PIN_DF_IO2,
	MFP_PIN_DF_IO3,
	MFP_PIN_DF_IO4,
	MFP_PIN_DF_IO5,
	MFP_PIN_DF_IO6,
	MFP_PIN_DF_IO7,
	MFP_PIN_DF_IO8,
	MFP_PIN_DF_IO9,
	MFP_PIN_DF_IO10,
	MFP_PIN_DF_IO11,
	MFP_PIN_DF_IO12,
	MFP_PIN_DF_IO13,
	MFP_PIN_DF_IO14,
	MFP_PIN_DF_IO15,
	MFP_PIN_DF_nCS0_SM_nCS2,
	MFP_PIN_DF_nCS1_SM_nCS3,
	MFP_PIN_SM_nCS0,
	MFP_PIN_SM_nCS1,
	MFP_PIN_DF_WEn,
	MFP_PIN_DF_REn,
	MFP_PIN_DF_CLE_SM_OEn,
	MFP_PIN_DF_ALE_SM_WEn,
	MFP_PIN_DF_RDY0,
	MFP_PIN_DF_RDY1,

	MFP_PIN_SM_SCLK,
	MFP_PIN_SM_BE0,
	MFP_PIN_SM_BE1,
	MFP_PIN_SM_ADV,
	MFP_PIN_SM_ADVMUX,
	MFP_PIN_SM_RDY,

	MFP_PIN_MMC1_DAT7,
	MFP_PIN_MMC1_DAT6,
	MFP_PIN_MMC1_DAT5,
	MFP_PIN_MMC1_DAT4,
	MFP_PIN_MMC1_DAT3,
	MFP_PIN_MMC1_DAT2,
	MFP_PIN_MMC1_DAT1,
	MFP_PIN_MMC1_DAT0,
	MFP_PIN_MMC1_CMD,
	MFP_PIN_MMC1_CLK,
	MFP_PIN_MMC1_CD,
	MFP_PIN_MMC1_WP,

	/* additional pins on PXA930 */
	MFP_PIN_GSIM_UIO,
	MFP_PIN_GSIM_UCLK,
	MFP_PIN_GSIM_UDET,
	MFP_PIN_GSIM_nURST,
	MFP_PIN_PMIC_INT,
	MFP_PIN_RDY,

	/* additional pins on MMP2 */
	MFP_PIN_TWSI1_SCL,
	MFP_PIN_TWSI1_SDA,
	MFP_PIN_TWSI4_SCL,
	MFP_PIN_TWSI4_SDA,
	MFP_PIN_CLK_REQ,

	MFP_PIN_MAX,
};

/*
 * a possible MFP configuration is represented by a 32-bit integer
 *
 * bit  0.. 9 - MFP Pin Number (1024 Pins Maximum)
 * bit 10..12 - Alternate Function Selection
 * bit 13..15 - Drive Strength
 * bit 16..18 - Low Power Mode State
 * bit 19..20 - Low Power Mode Edge Detection
 * bit 21..22 - Run Mode Pull State
 *
 * to facilitate the definition, the following macros are provided
 *
 * MFP_CFG_DEFAULT - default MFP configuration value, with
 * 		  alternate function = 0,
 * 		  drive strength = fast 3mA (MFP_DS03X)
 * 		  low power mode = default
 * 		  edge detection = none
 *
 * MFP_CFG	- default MFPR value with alternate function
 * MFP_CFG_DRV	- default MFPR value with alternate function and
 * 		  pin drive strength
 * MFP_CFG_LPM	- default MFPR value with alternate function and
 * 		  low power mode
 * MFP_CFG_X	- default MFPR value with alternate function,
 * 		  pin drive strength and low power mode
 */

typedef unsigned long mfp_cfg_t;

#define MFP_PIN(x)		((x) & 0x3ff)

#define MFP_AF0			(0x0 << 10)
#define MFP_AF1			(0x1 << 10)
#define MFP_AF2			(0x2 << 10)
#define MFP_AF3			(0x3 << 10)
#define MFP_AF4			(0x4 << 10)
#define MFP_AF5			(0x5 << 10)
#define MFP_AF6			(0x6 << 10)
#define MFP_AF7			(0x7 << 10)
#define MFP_AF_MASK		(0x7 << 10)
#define MFP_AF(x)		(((x) >> 10) & 0x7)

#define MFP_DS01X		(0x0 << 13)
#define MFP_DS02X		(0x1 << 13)
#define MFP_DS03X		(0x2 << 13)
#define MFP_DS04X		(0x3 << 13)
#define MFP_DS06X		(0x4 << 13)
#define MFP_DS08X		(0x5 << 13)
#define MFP_DS10X		(0x6 << 13)
#define MFP_DS13X		(0x7 << 13)
#define MFP_DS_MASK		(0x7 << 13)
#define MFP_DS(x)		(((x) >> 13) & 0x7)

#define MFP_LPM_DEFAULT		(0x0 << 16)
#define MFP_LPM_DRIVE_LOW	(0x1 << 16)
#define MFP_LPM_DRIVE_HIGH	(0x2 << 16)
#define MFP_LPM_PULL_LOW	(0x3 << 16)
#define MFP_LPM_PULL_HIGH	(0x4 << 16)
#define MFP_LPM_FLOAT		(0x5 << 16)
#define MFP_LPM_INPUT		(0x6 << 16)
#define MFP_LPM_STATE_MASK	(0x7 << 16)
#define MFP_LPM_STATE(x)	(((x) >> 16) & 0x7)

#define MFP_LPM_EDGE_NONE	(0x0 << 19)
#define MFP_LPM_EDGE_RISE	(0x1 << 19)
#define MFP_LPM_EDGE_FALL	(0x2 << 19)
#define MFP_LPM_EDGE_BOTH	(0x3 << 19)
#define MFP_LPM_EDGE_MASK	(0x3 << 19)
#define MFP_LPM_EDGE(x)		(((x) >> 19) & 0x3)

#define MFP_PULL_NONE		(0x0 << 21)
#define MFP_PULL_LOW		(0x1 << 21)
#define MFP_PULL_HIGH		(0x2 << 21)
#define MFP_PULL_BOTH		(0x3 << 21)
#define MFP_PULL_FLOAT		(0x4 << 21)
#define MFP_PULL_MASK		(0x7 << 21)
#define MFP_PULL(x)		(((x) >> 21) & 0x7)

#define MFP_CFG_DEFAULT		(MFP_AF0 | MFP_DS03X | MFP_LPM_DEFAULT |\
				 MFP_LPM_EDGE_NONE | MFP_PULL_NONE)

#define MFP_CFG(pin, af)		\
	((MFP_CFG_DEFAULT & ~MFP_AF_MASK) |\
	 (MFP_PIN(MFP_PIN_##pin) | MFP_##af))

#define MFP_CFG_DRV(pin, af, drv)	\
	((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK)) |\
	 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv))

#define MFP_CFG_LPM(pin, af, lpm)	\
	((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_LPM_STATE_MASK)) |\
	 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_LPM_##lpm))

#define MFP_CFG_X(pin, af, drv, lpm)	\
	((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK | MFP_LPM_STATE_MASK)) |\
	 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv | MFP_LPM_##lpm))

#if defined(CONFIG_PXA3xx) || defined(CONFIG_ARCH_MMP)
/*
 * each MFP pin will have a MFPR register, since the offset of the
 * register varies between processors, the processor specific code
 * should initialize the pin offsets by mfp_init()
 *
 * mfp_init_base() - accepts a virtual base for all MFPR registers and
 * initialize the MFP table to a default state
 *
 * mfp_init_addr() - accepts a table of "mfp_addr_map" structure, which
 * represents a range of MFP pins from "start" to "end", with the offset
 * beginning at "offset", to define a single pin, let "end" = -1.
 *
 * use
 *
 * MFP_ADDR_X() to define a range of pins
 * MFP_ADDR()   to define a single pin
 * MFP_ADDR_END to signal the end of pin offset definitions
 */
struct mfp_addr_map {
	unsigned int	start;
	unsigned int	end;
	unsigned long	offset;
};

#define MFP_ADDR_X(start, end, offset) \
	{ MFP_PIN_##start, MFP_PIN_##end, offset }

#define MFP_ADDR(pin, offset) \
	{ MFP_PIN_##pin, -1, offset }

#define MFP_ADDR_END	{ MFP_PIN_INVALID, 0 }

void __init mfp_init_base(void __iomem *mfpr_base);
void __init mfp_init_addr(struct mfp_addr_map *map);

/*
 * mfp_{read, write}()	- for direct read/write access to the MFPR register
 * mfp_config()		- for configuring a group of MFPR registers
 * mfp_config_lpm()	- configuring all low power MFPR registers for suspend
 * mfp_config_run()	- configuring all run time  MFPR registers after resume
 */
unsigned long mfp_read(int mfp);
void mfp_write(int mfp, unsigned long mfpr_val);
void mfp_config(unsigned long *mfp_cfgs, int num);
void mfp_config_run(void);
void mfp_config_lpm(void);
#endif /* CONFIG_PXA3xx || CONFIG_ARCH_MMP */

#endif /* __ASM_PLAT_MFP_H */
OpenPOWER on IntegriCloud