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Eric Miaof8dec042009-01-15 16:42:56 +08001/*
2 * arch/arm/plat-pxa/include/plat/mfp.h
3 *
4 * Common Multi-Function Pin Definitions
5 *
6 * Copyright (C) 2007 Marvell International Ltd.
7 *
8 * 2007-8-21: eric miao <eric.miao@marvell.com>
9 * initial version
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 */
15
16#ifndef __ASM_PLAT_MFP_H
17#define __ASM_PLAT_MFP_H
18
Eric Miao9da4ea62009-11-13 16:44:14 +080019#define mfp_to_gpio(m) ((m) % 256)
Eric Miaof8dec042009-01-15 16:42:56 +080020
21/* list of all the configurable MFP pins */
22enum {
23 MFP_PIN_INVALID = -1,
24
25 MFP_PIN_GPIO0 = 0,
26 MFP_PIN_GPIO1,
27 MFP_PIN_GPIO2,
28 MFP_PIN_GPIO3,
29 MFP_PIN_GPIO4,
30 MFP_PIN_GPIO5,
31 MFP_PIN_GPIO6,
32 MFP_PIN_GPIO7,
33 MFP_PIN_GPIO8,
34 MFP_PIN_GPIO9,
35 MFP_PIN_GPIO10,
36 MFP_PIN_GPIO11,
37 MFP_PIN_GPIO12,
38 MFP_PIN_GPIO13,
39 MFP_PIN_GPIO14,
40 MFP_PIN_GPIO15,
41 MFP_PIN_GPIO16,
42 MFP_PIN_GPIO17,
43 MFP_PIN_GPIO18,
44 MFP_PIN_GPIO19,
45 MFP_PIN_GPIO20,
46 MFP_PIN_GPIO21,
47 MFP_PIN_GPIO22,
48 MFP_PIN_GPIO23,
49 MFP_PIN_GPIO24,
50 MFP_PIN_GPIO25,
51 MFP_PIN_GPIO26,
52 MFP_PIN_GPIO27,
53 MFP_PIN_GPIO28,
54 MFP_PIN_GPIO29,
55 MFP_PIN_GPIO30,
56 MFP_PIN_GPIO31,
57 MFP_PIN_GPIO32,
58 MFP_PIN_GPIO33,
59 MFP_PIN_GPIO34,
60 MFP_PIN_GPIO35,
61 MFP_PIN_GPIO36,
62 MFP_PIN_GPIO37,
63 MFP_PIN_GPIO38,
64 MFP_PIN_GPIO39,
65 MFP_PIN_GPIO40,
66 MFP_PIN_GPIO41,
67 MFP_PIN_GPIO42,
68 MFP_PIN_GPIO43,
69 MFP_PIN_GPIO44,
70 MFP_PIN_GPIO45,
71 MFP_PIN_GPIO46,
72 MFP_PIN_GPIO47,
73 MFP_PIN_GPIO48,
74 MFP_PIN_GPIO49,
75 MFP_PIN_GPIO50,
76 MFP_PIN_GPIO51,
77 MFP_PIN_GPIO52,
78 MFP_PIN_GPIO53,
79 MFP_PIN_GPIO54,
80 MFP_PIN_GPIO55,
81 MFP_PIN_GPIO56,
82 MFP_PIN_GPIO57,
83 MFP_PIN_GPIO58,
84 MFP_PIN_GPIO59,
85 MFP_PIN_GPIO60,
86 MFP_PIN_GPIO61,
87 MFP_PIN_GPIO62,
88 MFP_PIN_GPIO63,
89 MFP_PIN_GPIO64,
90 MFP_PIN_GPIO65,
91 MFP_PIN_GPIO66,
92 MFP_PIN_GPIO67,
93 MFP_PIN_GPIO68,
94 MFP_PIN_GPIO69,
95 MFP_PIN_GPIO70,
96 MFP_PIN_GPIO71,
97 MFP_PIN_GPIO72,
98 MFP_PIN_GPIO73,
99 MFP_PIN_GPIO74,
100 MFP_PIN_GPIO75,
101 MFP_PIN_GPIO76,
102 MFP_PIN_GPIO77,
103 MFP_PIN_GPIO78,
104 MFP_PIN_GPIO79,
105 MFP_PIN_GPIO80,
106 MFP_PIN_GPIO81,
107 MFP_PIN_GPIO82,
108 MFP_PIN_GPIO83,
109 MFP_PIN_GPIO84,
110 MFP_PIN_GPIO85,
111 MFP_PIN_GPIO86,
112 MFP_PIN_GPIO87,
113 MFP_PIN_GPIO88,
114 MFP_PIN_GPIO89,
115 MFP_PIN_GPIO90,
116 MFP_PIN_GPIO91,
117 MFP_PIN_GPIO92,
118 MFP_PIN_GPIO93,
119 MFP_PIN_GPIO94,
120 MFP_PIN_GPIO95,
121 MFP_PIN_GPIO96,
122 MFP_PIN_GPIO97,
123 MFP_PIN_GPIO98,
124 MFP_PIN_GPIO99,
125 MFP_PIN_GPIO100,
126 MFP_PIN_GPIO101,
127 MFP_PIN_GPIO102,
128 MFP_PIN_GPIO103,
129 MFP_PIN_GPIO104,
130 MFP_PIN_GPIO105,
131 MFP_PIN_GPIO106,
132 MFP_PIN_GPIO107,
133 MFP_PIN_GPIO108,
134 MFP_PIN_GPIO109,
135 MFP_PIN_GPIO110,
136 MFP_PIN_GPIO111,
137 MFP_PIN_GPIO112,
138 MFP_PIN_GPIO113,
139 MFP_PIN_GPIO114,
140 MFP_PIN_GPIO115,
141 MFP_PIN_GPIO116,
142 MFP_PIN_GPIO117,
143 MFP_PIN_GPIO118,
144 MFP_PIN_GPIO119,
145 MFP_PIN_GPIO120,
146 MFP_PIN_GPIO121,
147 MFP_PIN_GPIO122,
148 MFP_PIN_GPIO123,
149 MFP_PIN_GPIO124,
150 MFP_PIN_GPIO125,
151 MFP_PIN_GPIO126,
152 MFP_PIN_GPIO127,
Haojian Zhuang063936d2009-06-17 13:57:40 +0800153
154 MFP_PIN_GPIO128,
155 MFP_PIN_GPIO129,
156 MFP_PIN_GPIO130,
157 MFP_PIN_GPIO131,
158 MFP_PIN_GPIO132,
159 MFP_PIN_GPIO133,
160 MFP_PIN_GPIO134,
161 MFP_PIN_GPIO135,
162 MFP_PIN_GPIO136,
163 MFP_PIN_GPIO137,
164 MFP_PIN_GPIO138,
165 MFP_PIN_GPIO139,
166 MFP_PIN_GPIO140,
167 MFP_PIN_GPIO141,
168 MFP_PIN_GPIO142,
169 MFP_PIN_GPIO143,
170 MFP_PIN_GPIO144,
171 MFP_PIN_GPIO145,
172 MFP_PIN_GPIO146,
173 MFP_PIN_GPIO147,
174 MFP_PIN_GPIO148,
175 MFP_PIN_GPIO149,
176 MFP_PIN_GPIO150,
177 MFP_PIN_GPIO151,
178 MFP_PIN_GPIO152,
179 MFP_PIN_GPIO153,
180 MFP_PIN_GPIO154,
181 MFP_PIN_GPIO155,
182 MFP_PIN_GPIO156,
183 MFP_PIN_GPIO157,
184 MFP_PIN_GPIO158,
185 MFP_PIN_GPIO159,
186 MFP_PIN_GPIO160,
187 MFP_PIN_GPIO161,
188 MFP_PIN_GPIO162,
189 MFP_PIN_GPIO163,
190 MFP_PIN_GPIO164,
191 MFP_PIN_GPIO165,
192 MFP_PIN_GPIO166,
193 MFP_PIN_GPIO167,
194 MFP_PIN_GPIO168,
195 MFP_PIN_GPIO169,
196 MFP_PIN_GPIO170,
197 MFP_PIN_GPIO171,
198 MFP_PIN_GPIO172,
199 MFP_PIN_GPIO173,
200 MFP_PIN_GPIO174,
201 MFP_PIN_GPIO175,
202 MFP_PIN_GPIO176,
203 MFP_PIN_GPIO177,
204 MFP_PIN_GPIO178,
205 MFP_PIN_GPIO179,
206 MFP_PIN_GPIO180,
207 MFP_PIN_GPIO181,
208 MFP_PIN_GPIO182,
209 MFP_PIN_GPIO183,
210 MFP_PIN_GPIO184,
211 MFP_PIN_GPIO185,
212 MFP_PIN_GPIO186,
213 MFP_PIN_GPIO187,
214 MFP_PIN_GPIO188,
215 MFP_PIN_GPIO189,
216 MFP_PIN_GPIO190,
217 MFP_PIN_GPIO191,
218
219 MFP_PIN_GPIO255 = 255,
220
Eric Miaof8dec042009-01-15 16:42:56 +0800221 MFP_PIN_GPIO0_2,
222 MFP_PIN_GPIO1_2,
223 MFP_PIN_GPIO2_2,
224 MFP_PIN_GPIO3_2,
225 MFP_PIN_GPIO4_2,
226 MFP_PIN_GPIO5_2,
227 MFP_PIN_GPIO6_2,
228 MFP_PIN_GPIO7_2,
229 MFP_PIN_GPIO8_2,
230 MFP_PIN_GPIO9_2,
231 MFP_PIN_GPIO10_2,
232 MFP_PIN_GPIO11_2,
233 MFP_PIN_GPIO12_2,
234 MFP_PIN_GPIO13_2,
235 MFP_PIN_GPIO14_2,
236 MFP_PIN_GPIO15_2,
237 MFP_PIN_GPIO16_2,
238 MFP_PIN_GPIO17_2,
239
240 MFP_PIN_ULPI_STP,
241 MFP_PIN_ULPI_NXT,
242 MFP_PIN_ULPI_DIR,
243
244 MFP_PIN_nXCVREN,
245 MFP_PIN_DF_CLE_nOE,
246 MFP_PIN_DF_nADV1_ALE,
247 MFP_PIN_DF_SCLK_E,
248 MFP_PIN_DF_SCLK_S,
249 MFP_PIN_nBE0,
250 MFP_PIN_nBE1,
251 MFP_PIN_DF_nADV2_ALE,
252 MFP_PIN_DF_INT_RnB,
253 MFP_PIN_DF_nCS0,
254 MFP_PIN_DF_nCS1,
255 MFP_PIN_nLUA,
256 MFP_PIN_nLLA,
257 MFP_PIN_DF_nWE,
258 MFP_PIN_DF_ALE_nWE,
259 MFP_PIN_DF_nRE_nOE,
260 MFP_PIN_DF_ADDR0,
261 MFP_PIN_DF_ADDR1,
262 MFP_PIN_DF_ADDR2,
263 MFP_PIN_DF_ADDR3,
264 MFP_PIN_DF_IO0,
265 MFP_PIN_DF_IO1,
266 MFP_PIN_DF_IO2,
267 MFP_PIN_DF_IO3,
268 MFP_PIN_DF_IO4,
269 MFP_PIN_DF_IO5,
270 MFP_PIN_DF_IO6,
271 MFP_PIN_DF_IO7,
272 MFP_PIN_DF_IO8,
273 MFP_PIN_DF_IO9,
274 MFP_PIN_DF_IO10,
275 MFP_PIN_DF_IO11,
276 MFP_PIN_DF_IO12,
277 MFP_PIN_DF_IO13,
278 MFP_PIN_DF_IO14,
279 MFP_PIN_DF_IO15,
Eric Miao14c6b5e2009-03-20 12:50:22 +0800280 MFP_PIN_DF_nCS0_SM_nCS2,
281 MFP_PIN_DF_nCS1_SM_nCS3,
282 MFP_PIN_SM_nCS0,
283 MFP_PIN_SM_nCS1,
284 MFP_PIN_DF_WEn,
285 MFP_PIN_DF_REn,
286 MFP_PIN_DF_CLE_SM_OEn,
287 MFP_PIN_DF_ALE_SM_WEn,
288 MFP_PIN_DF_RDY0,
289 MFP_PIN_DF_RDY1,
290
291 MFP_PIN_SM_SCLK,
292 MFP_PIN_SM_BE0,
293 MFP_PIN_SM_BE1,
294 MFP_PIN_SM_ADV,
295 MFP_PIN_SM_ADVMUX,
296 MFP_PIN_SM_RDY,
297
298 MFP_PIN_MMC1_DAT7,
299 MFP_PIN_MMC1_DAT6,
300 MFP_PIN_MMC1_DAT5,
301 MFP_PIN_MMC1_DAT4,
302 MFP_PIN_MMC1_DAT3,
303 MFP_PIN_MMC1_DAT2,
304 MFP_PIN_MMC1_DAT1,
305 MFP_PIN_MMC1_DAT0,
306 MFP_PIN_MMC1_CMD,
307 MFP_PIN_MMC1_CLK,
308 MFP_PIN_MMC1_CD,
309 MFP_PIN_MMC1_WP,
Eric Miaof8dec042009-01-15 16:42:56 +0800310
311 /* additional pins on PXA930 */
312 MFP_PIN_GSIM_UIO,
313 MFP_PIN_GSIM_UCLK,
314 MFP_PIN_GSIM_UDET,
315 MFP_PIN_GSIM_nURST,
316 MFP_PIN_PMIC_INT,
317 MFP_PIN_RDY,
318
Haojian Zhuang7f394032010-04-28 15:18:59 -0400319 /* additional pins on MMP2 */
320 MFP_PIN_TWSI1_SCL,
321 MFP_PIN_TWSI1_SDA,
322 MFP_PIN_TWSI4_SCL,
323 MFP_PIN_TWSI4_SDA,
324 MFP_PIN_CLK_REQ,
325
Eric Miaof8dec042009-01-15 16:42:56 +0800326 MFP_PIN_MAX,
327};
328
329/*
330 * a possible MFP configuration is represented by a 32-bit integer
331 *
332 * bit 0.. 9 - MFP Pin Number (1024 Pins Maximum)
333 * bit 10..12 - Alternate Function Selection
334 * bit 13..15 - Drive Strength
335 * bit 16..18 - Low Power Mode State
336 * bit 19..20 - Low Power Mode Edge Detection
337 * bit 21..22 - Run Mode Pull State
338 *
339 * to facilitate the definition, the following macros are provided
340 *
341 * MFP_CFG_DEFAULT - default MFP configuration value, with
342 * alternate function = 0,
343 * drive strength = fast 3mA (MFP_DS03X)
344 * low power mode = default
345 * edge detection = none
346 *
347 * MFP_CFG - default MFPR value with alternate function
348 * MFP_CFG_DRV - default MFPR value with alternate function and
349 * pin drive strength
350 * MFP_CFG_LPM - default MFPR value with alternate function and
351 * low power mode
352 * MFP_CFG_X - default MFPR value with alternate function,
353 * pin drive strength and low power mode
354 */
355
356typedef unsigned long mfp_cfg_t;
357
358#define MFP_PIN(x) ((x) & 0x3ff)
359
360#define MFP_AF0 (0x0 << 10)
361#define MFP_AF1 (0x1 << 10)
362#define MFP_AF2 (0x2 << 10)
363#define MFP_AF3 (0x3 << 10)
364#define MFP_AF4 (0x4 << 10)
365#define MFP_AF5 (0x5 << 10)
366#define MFP_AF6 (0x6 << 10)
367#define MFP_AF7 (0x7 << 10)
368#define MFP_AF_MASK (0x7 << 10)
369#define MFP_AF(x) (((x) >> 10) & 0x7)
370
371#define MFP_DS01X (0x0 << 13)
372#define MFP_DS02X (0x1 << 13)
373#define MFP_DS03X (0x2 << 13)
374#define MFP_DS04X (0x3 << 13)
375#define MFP_DS06X (0x4 << 13)
376#define MFP_DS08X (0x5 << 13)
377#define MFP_DS10X (0x6 << 13)
378#define MFP_DS13X (0x7 << 13)
379#define MFP_DS_MASK (0x7 << 13)
380#define MFP_DS(x) (((x) >> 13) & 0x7)
381
382#define MFP_LPM_DEFAULT (0x0 << 16)
383#define MFP_LPM_DRIVE_LOW (0x1 << 16)
384#define MFP_LPM_DRIVE_HIGH (0x2 << 16)
385#define MFP_LPM_PULL_LOW (0x3 << 16)
386#define MFP_LPM_PULL_HIGH (0x4 << 16)
387#define MFP_LPM_FLOAT (0x5 << 16)
388#define MFP_LPM_INPUT (0x6 << 16)
389#define MFP_LPM_STATE_MASK (0x7 << 16)
390#define MFP_LPM_STATE(x) (((x) >> 16) & 0x7)
391
392#define MFP_LPM_EDGE_NONE (0x0 << 19)
393#define MFP_LPM_EDGE_RISE (0x1 << 19)
394#define MFP_LPM_EDGE_FALL (0x2 << 19)
395#define MFP_LPM_EDGE_BOTH (0x3 << 19)
396#define MFP_LPM_EDGE_MASK (0x3 << 19)
397#define MFP_LPM_EDGE(x) (((x) >> 19) & 0x3)
398
399#define MFP_PULL_NONE (0x0 << 21)
400#define MFP_PULL_LOW (0x1 << 21)
401#define MFP_PULL_HIGH (0x2 << 21)
402#define MFP_PULL_BOTH (0x3 << 21)
Daniel Mackfb608702009-08-11 14:39:09 +0200403#define MFP_PULL_FLOAT (0x4 << 21)
404#define MFP_PULL_MASK (0x7 << 21)
405#define MFP_PULL(x) (((x) >> 21) & 0x7)
Eric Miaof8dec042009-01-15 16:42:56 +0800406
407#define MFP_CFG_DEFAULT (MFP_AF0 | MFP_DS03X | MFP_LPM_DEFAULT |\
408 MFP_LPM_EDGE_NONE | MFP_PULL_NONE)
409
410#define MFP_CFG(pin, af) \
411 ((MFP_CFG_DEFAULT & ~MFP_AF_MASK) |\
412 (MFP_PIN(MFP_PIN_##pin) | MFP_##af))
413
414#define MFP_CFG_DRV(pin, af, drv) \
415 ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK)) |\
416 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv))
417
418#define MFP_CFG_LPM(pin, af, lpm) \
419 ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_LPM_STATE_MASK)) |\
420 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_LPM_##lpm))
421
422#define MFP_CFG_X(pin, af, drv, lpm) \
423 ((MFP_CFG_DEFAULT & ~(MFP_AF_MASK | MFP_DS_MASK | MFP_LPM_STATE_MASK)) |\
424 (MFP_PIN(MFP_PIN_##pin) | MFP_##af | MFP_##drv | MFP_LPM_##lpm))
425
Haojian Zhuang49ea7fc2012-11-15 17:06:06 +0800426#if defined(CONFIG_PXA3xx) || defined(CONFIG_ARCH_MMP)
Eric Miaof8dec042009-01-15 16:42:56 +0800427/*
428 * each MFP pin will have a MFPR register, since the offset of the
429 * register varies between processors, the processor specific code
430 * should initialize the pin offsets by mfp_init()
431 *
432 * mfp_init_base() - accepts a virtual base for all MFPR registers and
433 * initialize the MFP table to a default state
434 *
435 * mfp_init_addr() - accepts a table of "mfp_addr_map" structure, which
436 * represents a range of MFP pins from "start" to "end", with the offset
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300437 * beginning at "offset", to define a single pin, let "end" = -1.
Eric Miaof8dec042009-01-15 16:42:56 +0800438 *
439 * use
440 *
441 * MFP_ADDR_X() to define a range of pins
442 * MFP_ADDR() to define a single pin
443 * MFP_ADDR_END to signal the end of pin offset definitions
444 */
445struct mfp_addr_map {
446 unsigned int start;
447 unsigned int end;
448 unsigned long offset;
449};
450
451#define MFP_ADDR_X(start, end, offset) \
452 { MFP_PIN_##start, MFP_PIN_##end, offset }
453
454#define MFP_ADDR(pin, offset) \
455 { MFP_PIN_##pin, -1, offset }
456
457#define MFP_ADDR_END { MFP_PIN_INVALID, 0 }
458
Arnd Bergmann97b09da2011-10-01 22:03:45 +0200459void __init mfp_init_base(void __iomem *mfpr_base);
Eric Miaof8dec042009-01-15 16:42:56 +0800460void __init mfp_init_addr(struct mfp_addr_map *map);
461
462/*
463 * mfp_{read, write}() - for direct read/write access to the MFPR register
464 * mfp_config() - for configuring a group of MFPR registers
465 * mfp_config_lpm() - configuring all low power MFPR registers for suspend
466 * mfp_config_run() - configuring all run time MFPR registers after resume
467 */
468unsigned long mfp_read(int mfp);
469void mfp_write(int mfp, unsigned long mfpr_val);
470void mfp_config(unsigned long *mfp_cfgs, int num);
471void mfp_config_run(void);
472void mfp_config_lpm(void);
Haojian Zhuang49ea7fc2012-11-15 17:06:06 +0800473#endif /* CONFIG_PXA3xx || CONFIG_ARCH_MMP */
Eric Miaof8dec042009-01-15 16:42:56 +0800474
475#endif /* __ASM_PLAT_MFP_H */