1 /*
2  * OMAP3 powerdomain definitions
3  *
4  * Copyright (C) 2007-2008, 2011 Texas Instruments, Inc.
5  * Copyright (C) 2007-2011 Nokia Corporation
6  *
7  * Paul Walmsley, Jouni Högander
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  */
13 
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/bug.h>
17 
18 #include "soc.h"
19 #include "powerdomain.h"
20 #include "powerdomains2xxx_3xxx_data.h"
21 #include "prcm-common.h"
22 #include "prm2xxx_3xxx.h"
23 #include "prm-regbits-34xx.h"
24 #include "cm2xxx_3xxx.h"
25 #include "cm-regbits-34xx.h"
26 
27 /*
28  * 34XX-specific powerdomains, dependencies
29  */
30 
31 /*
32  * Powerdomains
33  */
34 
35 static struct powerdomain iva2_pwrdm = {
36 	.name		  = "iva2_pwrdm",
37 	.prcm_offs	  = OMAP3430_IVA2_MOD,
38 	.pwrsts		  = PWRSTS_OFF_RET_ON,
39 	.pwrsts_logic_ret = PWRSTS_OFF_RET,
40 	.banks		  = 4,
41 	.pwrsts_mem_ret	  = {
42 		[0] = PWRSTS_OFF_RET,
43 		[1] = PWRSTS_OFF_RET,
44 		[2] = PWRSTS_OFF_RET,
45 		[3] = PWRSTS_OFF_RET,
46 	},
47 	.pwrsts_mem_on	  = {
48 		[0] = PWRSTS_ON,
49 		[1] = PWRSTS_ON,
50 		[2] = PWRSTS_OFF_ON,
51 		[3] = PWRSTS_ON,
52 	},
53 	.voltdm		  = { .name = "mpu_iva" },
54 };
55 
56 static struct powerdomain mpu_3xxx_pwrdm = {
57 	.name		  = "mpu_pwrdm",
58 	.prcm_offs	  = MPU_MOD,
59 	.pwrsts		  = PWRSTS_OFF_RET_ON,
60 	.pwrsts_logic_ret = PWRSTS_OFF_RET,
61 	.flags		  = PWRDM_HAS_MPU_QUIRK,
62 	.banks		  = 1,
63 	.pwrsts_mem_ret	  = {
64 		[0] = PWRSTS_OFF_RET,
65 	},
66 	.pwrsts_mem_on	  = {
67 		[0] = PWRSTS_OFF_ON,
68 	},
69 	.voltdm		  = { .name = "mpu_iva" },
70 };
71 
72 static struct powerdomain mpu_am35x_pwrdm = {
73 	.name		  = "mpu_pwrdm",
74 	.prcm_offs	  = MPU_MOD,
75 	.pwrsts		  = PWRSTS_ON,
76 	.pwrsts_logic_ret = PWRSTS_ON,
77 	.flags		  = PWRDM_HAS_MPU_QUIRK,
78 	.banks		  = 1,
79 	.pwrsts_mem_ret	  = {
80 		[0] = PWRSTS_ON,
81 	},
82 	.pwrsts_mem_on	  = {
83 		[0] = PWRSTS_ON,
84 	},
85 	.voltdm		  = { .name = "mpu_iva" },
86 };
87 
88 /*
89  * The USBTLL Save-and-Restore mechanism is broken on
90  * 3430s up to ES3.0 and 3630ES1.0. Hence this feature
91  * needs to be disabled on these chips.
92  * Refer: 3430 errata ID i459 and 3630 errata ID i579
93  *
94  * Note: setting the SAR flag could help for errata ID i478
95  *  which applies to 3430 <= ES3.1, but since the SAR feature
96  *  is broken, do not use it.
97  */
98 static struct powerdomain core_3xxx_pre_es3_1_pwrdm = {
99 	.name		  = "core_pwrdm",
100 	.prcm_offs	  = CORE_MOD,
101 	.pwrsts		  = PWRSTS_OFF_RET_ON,
102 	.pwrsts_logic_ret = PWRSTS_OFF_RET,
103 	.banks		  = 2,
104 	.pwrsts_mem_ret	  = {
105 		[0] = PWRSTS_OFF_RET,	 /* MEM1RETSTATE */
106 		[1] = PWRSTS_OFF_RET,	 /* MEM2RETSTATE */
107 	},
108 	.pwrsts_mem_on	  = {
109 		[0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */
110 		[1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */
111 	},
112 	.voltdm		  = { .name = "core" },
113 };
114 
115 static struct powerdomain core_3xxx_es3_1_pwrdm = {
116 	.name		  = "core_pwrdm",
117 	.prcm_offs	  = CORE_MOD,
118 	.pwrsts		  = PWRSTS_OFF_RET_ON,
119 	.pwrsts_logic_ret = PWRSTS_OFF_RET,
120 	/*
121 	 * Setting the SAR flag for errata ID i478 which applies
122 	 *  to 3430 <= ES3.1
123 	 */
124 	.flags		  = PWRDM_HAS_HDWR_SAR, /* for USBTLL only */
125 	.banks		  = 2,
126 	.pwrsts_mem_ret	  = {
127 		[0] = PWRSTS_OFF_RET,	 /* MEM1RETSTATE */
128 		[1] = PWRSTS_OFF_RET,	 /* MEM2RETSTATE */
129 	},
130 	.pwrsts_mem_on	  = {
131 		[0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */
132 		[1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */
133 	},
134 	.voltdm		  = { .name = "core" },
135 };
136 
137 static struct powerdomain core_am35x_pwrdm = {
138 	.name		  = "core_pwrdm",
139 	.prcm_offs	  = CORE_MOD,
140 	.pwrsts		  = PWRSTS_ON,
141 	.pwrsts_logic_ret = PWRSTS_ON,
142 	.banks		  = 2,
143 	.pwrsts_mem_ret	  = {
144 		[0] = PWRSTS_ON,	 /* MEM1RETSTATE */
145 		[1] = PWRSTS_ON,	 /* MEM2RETSTATE */
146 	},
147 	.pwrsts_mem_on	  = {
148 		[0] = PWRSTS_ON, /* MEM1ONSTATE */
149 		[1] = PWRSTS_ON, /* MEM2ONSTATE */
150 	},
151 	.voltdm		  = { .name = "core" },
152 };
153 
154 static struct powerdomain dss_pwrdm = {
155 	.name		  = "dss_pwrdm",
156 	.prcm_offs	  = OMAP3430_DSS_MOD,
157 	.pwrsts		  = PWRSTS_OFF_RET_ON,
158 	.pwrsts_logic_ret = PWRSTS_RET,
159 	.banks		  = 1,
160 	.pwrsts_mem_ret	  = {
161 		[0] = PWRSTS_RET, /* MEMRETSTATE */
162 	},
163 	.pwrsts_mem_on	  = {
164 		[0] = PWRSTS_ON,  /* MEMONSTATE */
165 	},
166 	.voltdm		  = { .name = "core" },
167 };
168 
169 static struct powerdomain dss_am35x_pwrdm = {
170 	.name		  = "dss_pwrdm",
171 	.prcm_offs	  = OMAP3430_DSS_MOD,
172 	.pwrsts		  = PWRSTS_ON,
173 	.pwrsts_logic_ret = PWRSTS_ON,
174 	.banks		  = 1,
175 	.pwrsts_mem_ret	  = {
176 		[0] = PWRSTS_ON, /* MEMRETSTATE */
177 	},
178 	.pwrsts_mem_on	  = {
179 		[0] = PWRSTS_ON,  /* MEMONSTATE */
180 	},
181 	.voltdm		  = { .name = "core" },
182 };
183 
184 /*
185  * Although the 34XX TRM Rev K Table 4-371 notes that retention is a
186  * possible SGX powerstate, the SGX device itself does not support
187  * retention.
188  */
189 static struct powerdomain sgx_pwrdm = {
190 	.name		  = "sgx_pwrdm",
191 	.prcm_offs	  = OMAP3430ES2_SGX_MOD,
192 	/* XXX This is accurate for 3430 SGX, but what about GFX? */
193 	.pwrsts		  = PWRSTS_OFF_ON,
194 	.pwrsts_logic_ret = PWRSTS_RET,
195 	.banks		  = 1,
196 	.pwrsts_mem_ret	  = {
197 		[0] = PWRSTS_RET, /* MEMRETSTATE */
198 	},
199 	.pwrsts_mem_on	  = {
200 		[0] = PWRSTS_ON,  /* MEMONSTATE */
201 	},
202 	.voltdm		  = { .name = "core" },
203 };
204 
205 static struct powerdomain sgx_am35x_pwrdm = {
206 	.name		  = "sgx_pwrdm",
207 	.prcm_offs	  = OMAP3430ES2_SGX_MOD,
208 	.pwrsts		  = PWRSTS_ON,
209 	.pwrsts_logic_ret = PWRSTS_ON,
210 	.banks		  = 1,
211 	.pwrsts_mem_ret	  = {
212 		[0] = PWRSTS_ON, /* MEMRETSTATE */
213 	},
214 	.pwrsts_mem_on	  = {
215 		[0] = PWRSTS_ON,  /* MEMONSTATE */
216 	},
217 	.voltdm		  = { .name = "core" },
218 };
219 
220 static struct powerdomain cam_pwrdm = {
221 	.name		  = "cam_pwrdm",
222 	.prcm_offs	  = OMAP3430_CAM_MOD,
223 	.pwrsts		  = PWRSTS_OFF_RET_ON,
224 	.pwrsts_logic_ret = PWRSTS_RET,
225 	.banks		  = 1,
226 	.pwrsts_mem_ret	  = {
227 		[0] = PWRSTS_RET, /* MEMRETSTATE */
228 	},
229 	.pwrsts_mem_on	  = {
230 		[0] = PWRSTS_ON,  /* MEMONSTATE */
231 	},
232 	.voltdm		  = { .name = "core" },
233 };
234 
235 static struct powerdomain per_pwrdm = {
236 	.name		  = "per_pwrdm",
237 	.prcm_offs	  = OMAP3430_PER_MOD,
238 	.pwrsts		  = PWRSTS_OFF_RET_ON,
239 	.pwrsts_logic_ret = PWRSTS_OFF_RET,
240 	.banks		  = 1,
241 	.pwrsts_mem_ret	  = {
242 		[0] = PWRSTS_RET, /* MEMRETSTATE */
243 	},
244 	.pwrsts_mem_on	  = {
245 		[0] = PWRSTS_ON,  /* MEMONSTATE */
246 	},
247 	.voltdm		  = { .name = "core" },
248 };
249 
250 static struct powerdomain per_am35x_pwrdm = {
251 	.name		  = "per_pwrdm",
252 	.prcm_offs	  = OMAP3430_PER_MOD,
253 	.pwrsts		  = PWRSTS_ON,
254 	.pwrsts_logic_ret = PWRSTS_ON,
255 	.banks		  = 1,
256 	.pwrsts_mem_ret	  = {
257 		[0] = PWRSTS_ON, /* MEMRETSTATE */
258 	},
259 	.pwrsts_mem_on	  = {
260 		[0] = PWRSTS_ON,  /* MEMONSTATE */
261 	},
262 	.voltdm		  = { .name = "core" },
263 };
264 
265 static struct powerdomain emu_pwrdm = {
266 	.name		= "emu_pwrdm",
267 	.prcm_offs	= OMAP3430_EMU_MOD,
268 	.voltdm		  = { .name = "core" },
269 };
270 
271 static struct powerdomain neon_pwrdm = {
272 	.name		  = "neon_pwrdm",
273 	.prcm_offs	  = OMAP3430_NEON_MOD,
274 	.pwrsts		  = PWRSTS_OFF_RET_ON,
275 	.pwrsts_logic_ret = PWRSTS_RET,
276 	.voltdm		  = { .name = "mpu_iva" },
277 };
278 
279 static struct powerdomain neon_am35x_pwrdm = {
280 	.name		  = "neon_pwrdm",
281 	.prcm_offs	  = OMAP3430_NEON_MOD,
282 	.pwrsts		  = PWRSTS_ON,
283 	.pwrsts_logic_ret = PWRSTS_ON,
284 	.voltdm		  = { .name = "mpu_iva" },
285 };
286 
287 static struct powerdomain usbhost_pwrdm = {
288 	.name		  = "usbhost_pwrdm",
289 	.prcm_offs	  = OMAP3430ES2_USBHOST_MOD,
290 	.pwrsts		  = PWRSTS_OFF_RET_ON,
291 	.pwrsts_logic_ret = PWRSTS_RET,
292 	/*
293 	 * REVISIT: Enabling usb host save and restore mechanism seems to
294 	 * leave the usb host domain permanently in ACTIVE mode after
295 	 * changing the usb host power domain state from OFF to active once.
296 	 * Disabling for now.
297 	 */
298 	/*.flags	  = PWRDM_HAS_HDWR_SAR,*/ /* for USBHOST ctrlr only */
299 	.banks		  = 1,
300 	.pwrsts_mem_ret	  = {
301 		[0] = PWRSTS_RET, /* MEMRETSTATE */
302 	},
303 	.pwrsts_mem_on	  = {
304 		[0] = PWRSTS_ON,  /* MEMONSTATE */
305 	},
306 	.voltdm		  = { .name = "core" },
307 };
308 
309 static struct powerdomain dpll1_pwrdm = {
310 	.name		= "dpll1_pwrdm",
311 	.prcm_offs	= MPU_MOD,
312 	.voltdm		  = { .name = "mpu_iva" },
313 };
314 
315 static struct powerdomain dpll2_pwrdm = {
316 	.name		= "dpll2_pwrdm",
317 	.prcm_offs	= OMAP3430_IVA2_MOD,
318 	.voltdm		  = { .name = "mpu_iva" },
319 };
320 
321 static struct powerdomain dpll3_pwrdm = {
322 	.name		= "dpll3_pwrdm",
323 	.prcm_offs	= PLL_MOD,
324 	.voltdm		  = { .name = "core" },
325 };
326 
327 static struct powerdomain dpll4_pwrdm = {
328 	.name		= "dpll4_pwrdm",
329 	.prcm_offs	= PLL_MOD,
330 	.voltdm		  = { .name = "core" },
331 };
332 
333 static struct powerdomain dpll5_pwrdm = {
334 	.name		= "dpll5_pwrdm",
335 	.prcm_offs	= PLL_MOD,
336 	.voltdm		  = { .name = "core" },
337 };
338 
339 static struct powerdomain alwon_81xx_pwrdm = {
340 	.name		  = "alwon_pwrdm",
341 	.prcm_offs	  = TI81XX_PRM_ALWON_MOD,
342 	.pwrsts		  = PWRSTS_OFF_ON,
343 	.voltdm		  = { .name = "core" },
344 };
345 
346 static struct powerdomain device_81xx_pwrdm = {
347 	.name		  = "device_pwrdm",
348 	.prcm_offs	  = TI81XX_PRM_DEVICE_MOD,
349 	.voltdm		  = { .name = "core" },
350 };
351 
352 static struct powerdomain gem_814x_pwrdm = {
353 	.name		= "gem_pwrdm",
354 	.prcm_offs	= TI814X_PRM_DSP_MOD,
355 	.pwrsts		= PWRSTS_OFF_ON,
356 	.voltdm		= { .name = "dsp" },
357 };
358 
359 static struct powerdomain ivahd_814x_pwrdm = {
360 	.name		= "ivahd_pwrdm",
361 	.prcm_offs	= TI814X_PRM_HDVICP_MOD,
362 	.pwrsts		= PWRSTS_OFF_ON,
363 	.voltdm		= { .name = "iva" },
364 };
365 
366 static struct powerdomain hdvpss_814x_pwrdm = {
367 	.name		= "hdvpss_pwrdm",
368 	.prcm_offs	= TI814X_PRM_HDVPSS_MOD,
369 	.pwrsts		= PWRSTS_OFF_ON,
370 	.voltdm		= { .name = "dsp" },
371 };
372 
373 static struct powerdomain sgx_814x_pwrdm = {
374 	.name		= "sgx_pwrdm",
375 	.prcm_offs	= TI814X_PRM_GFX_MOD,
376 	.pwrsts		= PWRSTS_OFF_ON,
377 	.voltdm		= { .name = "core" },
378 };
379 
380 static struct powerdomain isp_814x_pwrdm = {
381 	.name		= "isp_pwrdm",
382 	.prcm_offs	= TI814X_PRM_ISP_MOD,
383 	.pwrsts		= PWRSTS_OFF_ON,
384 	.voltdm		= { .name = "core" },
385 };
386 
387 static struct powerdomain active_816x_pwrdm = {
388 	.name		  = "active_pwrdm",
389 	.prcm_offs	  = TI816X_PRM_ACTIVE_MOD,
390 	.pwrsts		  = PWRSTS_OFF_ON,
391 	.voltdm		  = { .name = "core" },
392 };
393 
394 static struct powerdomain default_816x_pwrdm = {
395 	.name		  = "default_pwrdm",
396 	.prcm_offs	  = TI81XX_PRM_DEFAULT_MOD,
397 	.pwrsts		  = PWRSTS_OFF_ON,
398 	.voltdm		  = { .name = "core" },
399 };
400 
401 static struct powerdomain ivahd0_816x_pwrdm = {
402 	.name		  = "ivahd0_pwrdm",
403 	.prcm_offs	  = TI816X_PRM_IVAHD0_MOD,
404 	.pwrsts		  = PWRSTS_OFF_ON,
405 	.voltdm		  = { .name = "mpu_iva" },
406 };
407 
408 static struct powerdomain ivahd1_816x_pwrdm = {
409 	.name		  = "ivahd1_pwrdm",
410 	.prcm_offs	  = TI816X_PRM_IVAHD1_MOD,
411 	.pwrsts		  = PWRSTS_OFF_ON,
412 	.voltdm		  = { .name = "mpu_iva" },
413 };
414 
415 static struct powerdomain ivahd2_816x_pwrdm = {
416 	.name		  = "ivahd2_pwrdm",
417 	.prcm_offs	  = TI816X_PRM_IVAHD2_MOD,
418 	.pwrsts		  = PWRSTS_OFF_ON,
419 	.voltdm		  = { .name = "mpu_iva" },
420 };
421 
422 static struct powerdomain sgx_816x_pwrdm = {
423 	.name		  = "sgx_pwrdm",
424 	.prcm_offs	  = TI816X_PRM_SGX_MOD,
425 	.pwrsts		  = PWRSTS_OFF_ON,
426 	.voltdm		  = { .name = "core" },
427 };
428 
429 /* As powerdomains are added or removed above, this list must also be changed */
430 static struct powerdomain *powerdomains_omap3430_common[] __initdata = {
431 	&wkup_omap2_pwrdm,
432 	&iva2_pwrdm,
433 	&mpu_3xxx_pwrdm,
434 	&neon_pwrdm,
435 	&cam_pwrdm,
436 	&dss_pwrdm,
437 	&per_pwrdm,
438 	&emu_pwrdm,
439 	&dpll1_pwrdm,
440 	&dpll2_pwrdm,
441 	&dpll3_pwrdm,
442 	&dpll4_pwrdm,
443 	NULL
444 };
445 
446 static struct powerdomain *powerdomains_omap3430es1[] __initdata = {
447 	&gfx_omap2_pwrdm,
448 	&core_3xxx_pre_es3_1_pwrdm,
449 	NULL
450 };
451 
452 /* also includes 3630ES1.0 */
453 static struct powerdomain *powerdomains_omap3430es2_es3_0[] __initdata = {
454 	&core_3xxx_pre_es3_1_pwrdm,
455 	&sgx_pwrdm,
456 	&usbhost_pwrdm,
457 	&dpll5_pwrdm,
458 	NULL
459 };
460 
461 /* also includes 3630ES1.1+ */
462 static struct powerdomain *powerdomains_omap3430es3_1plus[] __initdata = {
463 	&core_3xxx_es3_1_pwrdm,
464 	&sgx_pwrdm,
465 	&usbhost_pwrdm,
466 	&dpll5_pwrdm,
467 	NULL
468 };
469 
470 static struct powerdomain *powerdomains_am35x[] __initdata = {
471 	&wkup_omap2_pwrdm,
472 	&mpu_am35x_pwrdm,
473 	&neon_am35x_pwrdm,
474 	&core_am35x_pwrdm,
475 	&sgx_am35x_pwrdm,
476 	&dss_am35x_pwrdm,
477 	&per_am35x_pwrdm,
478 	&emu_pwrdm,
479 	&dpll1_pwrdm,
480 	&dpll3_pwrdm,
481 	&dpll4_pwrdm,
482 	&dpll5_pwrdm,
483 	NULL
484 };
485 
486 static struct powerdomain *powerdomains_ti814x[] __initdata = {
487 	&alwon_81xx_pwrdm,
488 	&device_81xx_pwrdm,
489 	&gem_814x_pwrdm,
490 	&ivahd_814x_pwrdm,
491 	&hdvpss_814x_pwrdm,
492 	&sgx_814x_pwrdm,
493 	&isp_814x_pwrdm,
494 	NULL
495 };
496 
497 static struct powerdomain *powerdomains_ti816x[] __initdata = {
498 	&alwon_81xx_pwrdm,
499 	&device_81xx_pwrdm,
500 	&active_816x_pwrdm,
501 	&default_816x_pwrdm,
502 	&ivahd0_816x_pwrdm,
503 	&ivahd1_816x_pwrdm,
504 	&ivahd2_816x_pwrdm,
505 	&sgx_816x_pwrdm,
506 	NULL
507 };
508 
509 /* TI81XX specific ops */
510 #define TI81XX_PM_PWSTCTRL				0x0000
511 #define TI81XX_RM_RSTCTRL				0x0010
512 #define TI81XX_PM_PWSTST				0x0004
513 
514 static int ti81xx_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst)
515 {
516 	omap2_prm_rmw_mod_reg_bits(OMAP_POWERSTATE_MASK,
517 				   (pwrst << OMAP_POWERSTATE_SHIFT),
518 				   pwrdm->prcm_offs, TI81XX_PM_PWSTCTRL);
519 	return 0;
520 }
521 
522 static int ti81xx_pwrdm_read_next_pwrst(struct powerdomain *pwrdm)
523 {
524 	return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
525 					     TI81XX_PM_PWSTCTRL,
526 					     OMAP_POWERSTATE_MASK);
527 }
528 
529 static int ti81xx_pwrdm_read_pwrst(struct powerdomain *pwrdm)
530 {
531 	return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
532 		(pwrdm->prcm_offs == TI814X_PRM_GFX_MOD) ? TI81XX_RM_RSTCTRL :
533 					     TI81XX_PM_PWSTST,
534 					     OMAP_POWERSTATEST_MASK);
535 }
536 
537 static int ti81xx_pwrdm_read_logic_pwrst(struct powerdomain *pwrdm)
538 {
539 	return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
540 		(pwrdm->prcm_offs == TI814X_PRM_GFX_MOD) ? TI81XX_RM_RSTCTRL :
541 					     TI81XX_PM_PWSTST,
542 					     OMAP3430_LOGICSTATEST_MASK);
543 }
544 
545 static int ti81xx_pwrdm_wait_transition(struct powerdomain *pwrdm)
546 {
547 	u32 c = 0;
548 
549 	while ((omap2_prm_read_mod_reg(pwrdm->prcm_offs,
550 		(pwrdm->prcm_offs == TI814X_PRM_GFX_MOD) ? TI81XX_RM_RSTCTRL :
551 				       TI81XX_PM_PWSTST) &
552 		OMAP_INTRANSITION_MASK) &&
553 		(c++ < PWRDM_TRANSITION_BAILOUT))
554 			udelay(1);
555 
556 	if (c > PWRDM_TRANSITION_BAILOUT) {
557 		pr_err("powerdomain: %s timeout waiting for transition\n",
558 		       pwrdm->name);
559 		return -EAGAIN;
560 	}
561 
562 	pr_debug("powerdomain: completed transition in %d loops\n", c);
563 
564 	return 0;
565 }
566 
567 /* For dm814x we need to fix up fix GFX pwstst and rstctrl reg offsets */
568 static struct pwrdm_ops ti81xx_pwrdm_operations = {
569 	.pwrdm_set_next_pwrst	= ti81xx_pwrdm_set_next_pwrst,
570 	.pwrdm_read_next_pwrst	= ti81xx_pwrdm_read_next_pwrst,
571 	.pwrdm_read_pwrst	= ti81xx_pwrdm_read_pwrst,
572 	.pwrdm_read_logic_pwrst	= ti81xx_pwrdm_read_logic_pwrst,
573 	.pwrdm_wait_transition	= ti81xx_pwrdm_wait_transition,
574 };
575 
576 void __init omap3xxx_powerdomains_init(void)
577 {
578 	unsigned int rev;
579 
580 	if (!cpu_is_omap34xx() && !cpu_is_ti81xx())
581 		return;
582 
583 	/* Only 81xx needs custom pwrdm_operations */
584 	if (!cpu_is_ti81xx())
585 		pwrdm_register_platform_funcs(&omap3_pwrdm_operations);;
586 
587 	rev = omap_rev();
588 
589 	if (rev == AM35XX_REV_ES1_0 || rev == AM35XX_REV_ES1_1) {
590 		pwrdm_register_pwrdms(powerdomains_am35x);
591 	} else if (rev == TI8148_REV_ES1_0 || rev == TI8148_REV_ES2_0 ||
592 		   rev == TI8148_REV_ES2_1) {
593 		pwrdm_register_platform_funcs(&ti81xx_pwrdm_operations);
594 		pwrdm_register_pwrdms(powerdomains_ti814x);
595 	} else if (rev == TI8168_REV_ES1_0 || rev == TI8168_REV_ES1_1
596 			|| rev == TI8168_REV_ES2_0 || rev == TI8168_REV_ES2_1) {
597 		pwrdm_register_platform_funcs(&ti81xx_pwrdm_operations);
598 		pwrdm_register_pwrdms(powerdomains_ti816x);
599 	} else {
600 		pwrdm_register_pwrdms(powerdomains_omap3430_common);
601 
602 		switch (rev) {
603 		case OMAP3430_REV_ES1_0:
604 			pwrdm_register_pwrdms(powerdomains_omap3430es1);
605 			break;
606 		case OMAP3430_REV_ES2_0:
607 		case OMAP3430_REV_ES2_1:
608 		case OMAP3430_REV_ES3_0:
609 		case OMAP3630_REV_ES1_0:
610 			pwrdm_register_pwrdms(powerdomains_omap3430es2_es3_0);
611 			break;
612 		case OMAP3430_REV_ES3_1:
613 		case OMAP3430_REV_ES3_1_2:
614 		case OMAP3630_REV_ES1_1:
615 		case OMAP3630_REV_ES1_2:
616 			pwrdm_register_pwrdms(powerdomains_omap3430es3_1plus);
617 			break;
618 		default:
619 			WARN(1, "OMAP3 powerdomain init: unknown chip type\n");
620 		}
621 	}
622 
623 	pwrdm_complete_init();
624 }
625