arm64: dts: Revert "specify console via command line"
[linux/fpc-iii.git] / arch / arm / mach-omap2 / powerdomains3xxx_data.c
blob3564fade67e450618c526afe576e4ea5f6a7cf18
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * OMAP3 powerdomain definitions
5 * Copyright (C) 2007-2008, 2011 Texas Instruments, Inc.
6 * Copyright (C) 2007-2011 Nokia Corporation
8 * Paul Walmsley, Jouni Högander
9 */
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/bug.h>
15 #include "soc.h"
16 #include "powerdomain.h"
17 #include "powerdomains2xxx_3xxx_data.h"
18 #include "prcm-common.h"
19 #include "prm2xxx_3xxx.h"
20 #include "prm-regbits-34xx.h"
21 #include "cm2xxx_3xxx.h"
22 #include "cm-regbits-34xx.h"
25 * 34XX-specific powerdomains, dependencies
29 * Powerdomains
32 static struct powerdomain iva2_pwrdm = {
33 .name = "iva2_pwrdm",
34 .prcm_offs = OMAP3430_IVA2_MOD,
35 .pwrsts = PWRSTS_OFF_RET_ON,
36 .pwrsts_logic_ret = PWRSTS_OFF_RET,
37 .banks = 4,
38 .pwrsts_mem_ret = {
39 [0] = PWRSTS_OFF_RET,
40 [1] = PWRSTS_OFF_RET,
41 [2] = PWRSTS_OFF_RET,
42 [3] = PWRSTS_OFF_RET,
44 .pwrsts_mem_on = {
45 [0] = PWRSTS_ON,
46 [1] = PWRSTS_ON,
47 [2] = PWRSTS_OFF_ON,
48 [3] = PWRSTS_ON,
50 .voltdm = { .name = "mpu_iva" },
53 static struct powerdomain mpu_3xxx_pwrdm = {
54 .name = "mpu_pwrdm",
55 .prcm_offs = MPU_MOD,
56 .pwrsts = PWRSTS_OFF_RET_ON,
57 .pwrsts_logic_ret = PWRSTS_OFF_RET,
58 .flags = PWRDM_HAS_MPU_QUIRK,
59 .banks = 1,
60 .pwrsts_mem_ret = {
61 [0] = PWRSTS_OFF_RET,
63 .pwrsts_mem_on = {
64 [0] = PWRSTS_OFF_ON,
66 .voltdm = { .name = "mpu_iva" },
69 static struct powerdomain mpu_am35x_pwrdm = {
70 .name = "mpu_pwrdm",
71 .prcm_offs = MPU_MOD,
72 .pwrsts = PWRSTS_ON,
73 .pwrsts_logic_ret = PWRSTS_ON,
74 .flags = PWRDM_HAS_MPU_QUIRK,
75 .banks = 1,
76 .pwrsts_mem_ret = {
77 [0] = PWRSTS_ON,
79 .pwrsts_mem_on = {
80 [0] = PWRSTS_ON,
82 .voltdm = { .name = "mpu_iva" },
86 * The USBTLL Save-and-Restore mechanism is broken on
87 * 3430s up to ES3.0 and 3630ES1.0. Hence this feature
88 * needs to be disabled on these chips.
89 * Refer: 3430 errata ID i459 and 3630 errata ID i579
91 * Note: setting the SAR flag could help for errata ID i478
92 * which applies to 3430 <= ES3.1, but since the SAR feature
93 * is broken, do not use it.
95 static struct powerdomain core_3xxx_pre_es3_1_pwrdm = {
96 .name = "core_pwrdm",
97 .prcm_offs = CORE_MOD,
98 .pwrsts = PWRSTS_OFF_RET_ON,
99 .pwrsts_logic_ret = PWRSTS_OFF_RET,
100 .banks = 2,
101 .pwrsts_mem_ret = {
102 [0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */
103 [1] = PWRSTS_OFF_RET, /* MEM2RETSTATE */
105 .pwrsts_mem_on = {
106 [0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */
107 [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */
109 .voltdm = { .name = "core" },
112 static struct powerdomain core_3xxx_es3_1_pwrdm = {
113 .name = "core_pwrdm",
114 .prcm_offs = CORE_MOD,
115 .pwrsts = PWRSTS_OFF_RET_ON,
116 .pwrsts_logic_ret = PWRSTS_OFF_RET,
118 * Setting the SAR flag for errata ID i478 which applies
119 * to 3430 <= ES3.1
121 .flags = PWRDM_HAS_HDWR_SAR, /* for USBTLL only */
122 .banks = 2,
123 .pwrsts_mem_ret = {
124 [0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */
125 [1] = PWRSTS_OFF_RET, /* MEM2RETSTATE */
127 .pwrsts_mem_on = {
128 [0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */
129 [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */
131 .voltdm = { .name = "core" },
134 static struct powerdomain core_am35x_pwrdm = {
135 .name = "core_pwrdm",
136 .prcm_offs = CORE_MOD,
137 .pwrsts = PWRSTS_ON,
138 .pwrsts_logic_ret = PWRSTS_ON,
139 .banks = 2,
140 .pwrsts_mem_ret = {
141 [0] = PWRSTS_ON, /* MEM1RETSTATE */
142 [1] = PWRSTS_ON, /* MEM2RETSTATE */
144 .pwrsts_mem_on = {
145 [0] = PWRSTS_ON, /* MEM1ONSTATE */
146 [1] = PWRSTS_ON, /* MEM2ONSTATE */
148 .voltdm = { .name = "core" },
151 static struct powerdomain dss_pwrdm = {
152 .name = "dss_pwrdm",
153 .prcm_offs = OMAP3430_DSS_MOD,
154 .pwrsts = PWRSTS_OFF_RET_ON,
155 .pwrsts_logic_ret = PWRSTS_RET,
156 .banks = 1,
157 .pwrsts_mem_ret = {
158 [0] = PWRSTS_RET, /* MEMRETSTATE */
160 .pwrsts_mem_on = {
161 [0] = PWRSTS_ON, /* MEMONSTATE */
163 .voltdm = { .name = "core" },
166 static struct powerdomain dss_am35x_pwrdm = {
167 .name = "dss_pwrdm",
168 .prcm_offs = OMAP3430_DSS_MOD,
169 .pwrsts = PWRSTS_ON,
170 .pwrsts_logic_ret = PWRSTS_ON,
171 .banks = 1,
172 .pwrsts_mem_ret = {
173 [0] = PWRSTS_ON, /* MEMRETSTATE */
175 .pwrsts_mem_on = {
176 [0] = PWRSTS_ON, /* MEMONSTATE */
178 .voltdm = { .name = "core" },
182 * Although the 34XX TRM Rev K Table 4-371 notes that retention is a
183 * possible SGX powerstate, the SGX device itself does not support
184 * retention.
186 static struct powerdomain sgx_pwrdm = {
187 .name = "sgx_pwrdm",
188 .prcm_offs = OMAP3430ES2_SGX_MOD,
189 /* XXX This is accurate for 3430 SGX, but what about GFX? */
190 .pwrsts = PWRSTS_OFF_ON,
191 .pwrsts_logic_ret = PWRSTS_RET,
192 .banks = 1,
193 .pwrsts_mem_ret = {
194 [0] = PWRSTS_RET, /* MEMRETSTATE */
196 .pwrsts_mem_on = {
197 [0] = PWRSTS_ON, /* MEMONSTATE */
199 .voltdm = { .name = "core" },
202 static struct powerdomain sgx_am35x_pwrdm = {
203 .name = "sgx_pwrdm",
204 .prcm_offs = OMAP3430ES2_SGX_MOD,
205 .pwrsts = PWRSTS_ON,
206 .pwrsts_logic_ret = PWRSTS_ON,
207 .banks = 1,
208 .pwrsts_mem_ret = {
209 [0] = PWRSTS_ON, /* MEMRETSTATE */
211 .pwrsts_mem_on = {
212 [0] = PWRSTS_ON, /* MEMONSTATE */
214 .voltdm = { .name = "core" },
217 static struct powerdomain cam_pwrdm = {
218 .name = "cam_pwrdm",
219 .prcm_offs = OMAP3430_CAM_MOD,
220 .pwrsts = PWRSTS_OFF_RET_ON,
221 .pwrsts_logic_ret = PWRSTS_RET,
222 .banks = 1,
223 .pwrsts_mem_ret = {
224 [0] = PWRSTS_RET, /* MEMRETSTATE */
226 .pwrsts_mem_on = {
227 [0] = PWRSTS_ON, /* MEMONSTATE */
229 .voltdm = { .name = "core" },
232 static struct powerdomain per_pwrdm = {
233 .name = "per_pwrdm",
234 .prcm_offs = OMAP3430_PER_MOD,
235 .pwrsts = PWRSTS_OFF_RET_ON,
236 .pwrsts_logic_ret = PWRSTS_OFF_RET,
237 .banks = 1,
238 .pwrsts_mem_ret = {
239 [0] = PWRSTS_RET, /* MEMRETSTATE */
241 .pwrsts_mem_on = {
242 [0] = PWRSTS_ON, /* MEMONSTATE */
244 .voltdm = { .name = "core" },
247 static struct powerdomain per_am35x_pwrdm = {
248 .name = "per_pwrdm",
249 .prcm_offs = OMAP3430_PER_MOD,
250 .pwrsts = PWRSTS_ON,
251 .pwrsts_logic_ret = PWRSTS_ON,
252 .banks = 1,
253 .pwrsts_mem_ret = {
254 [0] = PWRSTS_ON, /* MEMRETSTATE */
256 .pwrsts_mem_on = {
257 [0] = PWRSTS_ON, /* MEMONSTATE */
259 .voltdm = { .name = "core" },
262 static struct powerdomain emu_pwrdm = {
263 .name = "emu_pwrdm",
264 .prcm_offs = OMAP3430_EMU_MOD,
265 .voltdm = { .name = "core" },
268 static struct powerdomain neon_pwrdm = {
269 .name = "neon_pwrdm",
270 .prcm_offs = OMAP3430_NEON_MOD,
271 .pwrsts = PWRSTS_OFF_RET_ON,
272 .pwrsts_logic_ret = PWRSTS_RET,
273 .voltdm = { .name = "mpu_iva" },
276 static struct powerdomain neon_am35x_pwrdm = {
277 .name = "neon_pwrdm",
278 .prcm_offs = OMAP3430_NEON_MOD,
279 .pwrsts = PWRSTS_ON,
280 .pwrsts_logic_ret = PWRSTS_ON,
281 .voltdm = { .name = "mpu_iva" },
284 static struct powerdomain usbhost_pwrdm = {
285 .name = "usbhost_pwrdm",
286 .prcm_offs = OMAP3430ES2_USBHOST_MOD,
287 .pwrsts = PWRSTS_OFF_RET_ON,
288 .pwrsts_logic_ret = PWRSTS_RET,
290 * REVISIT: Enabling usb host save and restore mechanism seems to
291 * leave the usb host domain permanently in ACTIVE mode after
292 * changing the usb host power domain state from OFF to active once.
293 * Disabling for now.
295 /*.flags = PWRDM_HAS_HDWR_SAR,*/ /* for USBHOST ctrlr only */
296 .banks = 1,
297 .pwrsts_mem_ret = {
298 [0] = PWRSTS_RET, /* MEMRETSTATE */
300 .pwrsts_mem_on = {
301 [0] = PWRSTS_ON, /* MEMONSTATE */
303 .voltdm = { .name = "core" },
306 static struct powerdomain dpll1_pwrdm = {
307 .name = "dpll1_pwrdm",
308 .prcm_offs = MPU_MOD,
309 .voltdm = { .name = "mpu_iva" },
312 static struct powerdomain dpll2_pwrdm = {
313 .name = "dpll2_pwrdm",
314 .prcm_offs = OMAP3430_IVA2_MOD,
315 .voltdm = { .name = "mpu_iva" },
318 static struct powerdomain dpll3_pwrdm = {
319 .name = "dpll3_pwrdm",
320 .prcm_offs = PLL_MOD,
321 .voltdm = { .name = "core" },
324 static struct powerdomain dpll4_pwrdm = {
325 .name = "dpll4_pwrdm",
326 .prcm_offs = PLL_MOD,
327 .voltdm = { .name = "core" },
330 static struct powerdomain dpll5_pwrdm = {
331 .name = "dpll5_pwrdm",
332 .prcm_offs = PLL_MOD,
333 .voltdm = { .name = "core" },
336 static struct powerdomain alwon_81xx_pwrdm = {
337 .name = "alwon_pwrdm",
338 .prcm_offs = TI81XX_PRM_ALWON_MOD,
339 .pwrsts = PWRSTS_OFF_ON,
340 .voltdm = { .name = "core" },
343 static struct powerdomain device_81xx_pwrdm = {
344 .name = "device_pwrdm",
345 .prcm_offs = TI81XX_PRM_DEVICE_MOD,
346 .voltdm = { .name = "core" },
349 static struct powerdomain gem_814x_pwrdm = {
350 .name = "gem_pwrdm",
351 .prcm_offs = TI814X_PRM_DSP_MOD,
352 .pwrsts = PWRSTS_OFF_ON,
353 .voltdm = { .name = "dsp" },
356 static struct powerdomain ivahd_814x_pwrdm = {
357 .name = "ivahd_pwrdm",
358 .prcm_offs = TI814X_PRM_HDVICP_MOD,
359 .pwrsts = PWRSTS_OFF_ON,
360 .voltdm = { .name = "iva" },
363 static struct powerdomain hdvpss_814x_pwrdm = {
364 .name = "hdvpss_pwrdm",
365 .prcm_offs = TI814X_PRM_HDVPSS_MOD,
366 .pwrsts = PWRSTS_OFF_ON,
367 .voltdm = { .name = "dsp" },
370 static struct powerdomain sgx_814x_pwrdm = {
371 .name = "sgx_pwrdm",
372 .prcm_offs = TI814X_PRM_GFX_MOD,
373 .pwrsts = PWRSTS_OFF_ON,
374 .voltdm = { .name = "core" },
377 static struct powerdomain isp_814x_pwrdm = {
378 .name = "isp_pwrdm",
379 .prcm_offs = TI814X_PRM_ISP_MOD,
380 .pwrsts = PWRSTS_OFF_ON,
381 .voltdm = { .name = "core" },
384 static struct powerdomain active_81xx_pwrdm = {
385 .name = "active_pwrdm",
386 .prcm_offs = TI816X_PRM_ACTIVE_MOD,
387 .pwrsts = PWRSTS_OFF_ON,
388 .voltdm = { .name = "core" },
391 static struct powerdomain default_81xx_pwrdm = {
392 .name = "default_pwrdm",
393 .prcm_offs = TI81XX_PRM_DEFAULT_MOD,
394 .pwrsts = PWRSTS_OFF_ON,
395 .voltdm = { .name = "core" },
398 static struct powerdomain ivahd0_816x_pwrdm = {
399 .name = "ivahd0_pwrdm",
400 .prcm_offs = TI816X_PRM_IVAHD0_MOD,
401 .pwrsts = PWRSTS_OFF_ON,
402 .voltdm = { .name = "mpu_iva" },
405 static struct powerdomain ivahd1_816x_pwrdm = {
406 .name = "ivahd1_pwrdm",
407 .prcm_offs = TI816X_PRM_IVAHD1_MOD,
408 .pwrsts = PWRSTS_OFF_ON,
409 .voltdm = { .name = "mpu_iva" },
412 static struct powerdomain ivahd2_816x_pwrdm = {
413 .name = "ivahd2_pwrdm",
414 .prcm_offs = TI816X_PRM_IVAHD2_MOD,
415 .pwrsts = PWRSTS_OFF_ON,
416 .voltdm = { .name = "mpu_iva" },
419 static struct powerdomain sgx_816x_pwrdm = {
420 .name = "sgx_pwrdm",
421 .prcm_offs = TI816X_PRM_SGX_MOD,
422 .pwrsts = PWRSTS_OFF_ON,
423 .voltdm = { .name = "core" },
426 /* As powerdomains are added or removed above, this list must also be changed */
427 static struct powerdomain *powerdomains_omap3430_common[] __initdata = {
428 &wkup_omap2_pwrdm,
429 &iva2_pwrdm,
430 &mpu_3xxx_pwrdm,
431 &neon_pwrdm,
432 &cam_pwrdm,
433 &dss_pwrdm,
434 &per_pwrdm,
435 &emu_pwrdm,
436 &dpll1_pwrdm,
437 &dpll2_pwrdm,
438 &dpll3_pwrdm,
439 &dpll4_pwrdm,
440 NULL
443 static struct powerdomain *powerdomains_omap3430es1[] __initdata = {
444 &gfx_omap2_pwrdm,
445 &core_3xxx_pre_es3_1_pwrdm,
446 NULL
449 /* also includes 3630ES1.0 */
450 static struct powerdomain *powerdomains_omap3430es2_es3_0[] __initdata = {
451 &core_3xxx_pre_es3_1_pwrdm,
452 &sgx_pwrdm,
453 &usbhost_pwrdm,
454 &dpll5_pwrdm,
455 NULL
458 /* also includes 3630ES1.1+ */
459 static struct powerdomain *powerdomains_omap3430es3_1plus[] __initdata = {
460 &core_3xxx_es3_1_pwrdm,
461 &sgx_pwrdm,
462 &usbhost_pwrdm,
463 &dpll5_pwrdm,
464 NULL
467 static struct powerdomain *powerdomains_am35x[] __initdata = {
468 &wkup_omap2_pwrdm,
469 &mpu_am35x_pwrdm,
470 &neon_am35x_pwrdm,
471 &core_am35x_pwrdm,
472 &sgx_am35x_pwrdm,
473 &dss_am35x_pwrdm,
474 &per_am35x_pwrdm,
475 &emu_pwrdm,
476 &dpll1_pwrdm,
477 &dpll3_pwrdm,
478 &dpll4_pwrdm,
479 &dpll5_pwrdm,
480 NULL
483 static struct powerdomain *powerdomains_ti814x[] __initdata = {
484 &alwon_81xx_pwrdm,
485 &device_81xx_pwrdm,
486 &active_81xx_pwrdm,
487 &default_81xx_pwrdm,
488 &gem_814x_pwrdm,
489 &ivahd_814x_pwrdm,
490 &hdvpss_814x_pwrdm,
491 &sgx_814x_pwrdm,
492 &isp_814x_pwrdm,
493 NULL
496 static struct powerdomain *powerdomains_ti816x[] __initdata = {
497 &alwon_81xx_pwrdm,
498 &device_81xx_pwrdm,
499 &active_81xx_pwrdm,
500 &default_81xx_pwrdm,
501 &ivahd0_816x_pwrdm,
502 &ivahd1_816x_pwrdm,
503 &ivahd2_816x_pwrdm,
504 &sgx_816x_pwrdm,
505 NULL
508 /* TI81XX specific ops */
509 #define TI81XX_PM_PWSTCTRL 0x0000
510 #define TI81XX_RM_RSTCTRL 0x0010
511 #define TI81XX_PM_PWSTST 0x0004
513 static int ti81xx_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst)
515 omap2_prm_rmw_mod_reg_bits(OMAP_POWERSTATE_MASK,
516 (pwrst << OMAP_POWERSTATE_SHIFT),
517 pwrdm->prcm_offs, TI81XX_PM_PWSTCTRL);
518 return 0;
521 static int ti81xx_pwrdm_read_next_pwrst(struct powerdomain *pwrdm)
523 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
524 TI81XX_PM_PWSTCTRL,
525 OMAP_POWERSTATE_MASK);
528 static int ti81xx_pwrdm_read_pwrst(struct powerdomain *pwrdm)
530 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
531 (pwrdm->prcm_offs == TI814X_PRM_GFX_MOD) ? TI81XX_RM_RSTCTRL :
532 TI81XX_PM_PWSTST,
533 OMAP_POWERSTATEST_MASK);
536 static int ti81xx_pwrdm_read_logic_pwrst(struct powerdomain *pwrdm)
538 return omap2_prm_read_mod_bits_shift(pwrdm->prcm_offs,
539 (pwrdm->prcm_offs == TI814X_PRM_GFX_MOD) ? TI81XX_RM_RSTCTRL :
540 TI81XX_PM_PWSTST,
541 OMAP3430_LOGICSTATEST_MASK);
544 static int ti81xx_pwrdm_wait_transition(struct powerdomain *pwrdm)
546 u32 c = 0;
548 while ((omap2_prm_read_mod_reg(pwrdm->prcm_offs,
549 (pwrdm->prcm_offs == TI814X_PRM_GFX_MOD) ? TI81XX_RM_RSTCTRL :
550 TI81XX_PM_PWSTST) &
551 OMAP_INTRANSITION_MASK) &&
552 (c++ < PWRDM_TRANSITION_BAILOUT))
553 udelay(1);
555 if (c > PWRDM_TRANSITION_BAILOUT) {
556 pr_err("powerdomain: %s timeout waiting for transition\n",
557 pwrdm->name);
558 return -EAGAIN;
561 pr_debug("powerdomain: completed transition in %d loops\n", c);
563 return 0;
566 /* For dm814x we need to fix up fix GFX pwstst and rstctrl reg offsets */
567 static struct pwrdm_ops ti81xx_pwrdm_operations = {
568 .pwrdm_set_next_pwrst = ti81xx_pwrdm_set_next_pwrst,
569 .pwrdm_read_next_pwrst = ti81xx_pwrdm_read_next_pwrst,
570 .pwrdm_read_pwrst = ti81xx_pwrdm_read_pwrst,
571 .pwrdm_read_logic_pwrst = ti81xx_pwrdm_read_logic_pwrst,
572 .pwrdm_wait_transition = ti81xx_pwrdm_wait_transition,
575 void __init omap3xxx_powerdomains_init(void)
577 unsigned int rev;
579 if (!cpu_is_omap34xx() && !cpu_is_ti81xx())
580 return;
582 /* Only 81xx needs custom pwrdm_operations */
583 if (!cpu_is_ti81xx())
584 pwrdm_register_platform_funcs(&omap3_pwrdm_operations);
586 rev = omap_rev();
588 if (rev == AM35XX_REV_ES1_0 || rev == AM35XX_REV_ES1_1) {
589 pwrdm_register_pwrdms(powerdomains_am35x);
590 } else if (rev == TI8148_REV_ES1_0 || rev == TI8148_REV_ES2_0 ||
591 rev == TI8148_REV_ES2_1) {
592 pwrdm_register_platform_funcs(&ti81xx_pwrdm_operations);
593 pwrdm_register_pwrdms(powerdomains_ti814x);
594 } else if (rev == TI8168_REV_ES1_0 || rev == TI8168_REV_ES1_1
595 || rev == TI8168_REV_ES2_0 || rev == TI8168_REV_ES2_1) {
596 pwrdm_register_platform_funcs(&ti81xx_pwrdm_operations);
597 pwrdm_register_pwrdms(powerdomains_ti816x);
598 } else {
599 pwrdm_register_pwrdms(powerdomains_omap3430_common);
601 switch (rev) {
602 case OMAP3430_REV_ES1_0:
603 pwrdm_register_pwrdms(powerdomains_omap3430es1);
604 break;
605 case OMAP3430_REV_ES2_0:
606 case OMAP3430_REV_ES2_1:
607 case OMAP3430_REV_ES3_0:
608 case OMAP3630_REV_ES1_0:
609 pwrdm_register_pwrdms(powerdomains_omap3430es2_es3_0);
610 break;
611 case OMAP3430_REV_ES3_1:
612 case OMAP3430_REV_ES3_1_2:
613 case OMAP3630_REV_ES1_1:
614 case OMAP3630_REV_ES1_2:
615 pwrdm_register_pwrdms(powerdomains_omap3430es3_1plus);
616 break;
617 default:
618 WARN(1, "OMAP3 powerdomain init: unknown chip type\n");
622 pwrdm_complete_init();