1 /*
2  * OMAP2/3 CM module functions
3  *
4  * Copyright (C) 2009 Nokia Corporation
5  * Paul Walmsley
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 
12 #include <linux/kernel.h>
13 #include <linux/types.h>
14 #include <linux/delay.h>
15 #include <linux/spinlock.h>
16 #include <linux/list.h>
17 #include <linux/errno.h>
18 #include <linux/err.h>
19 #include <linux/io.h>
20 
21 #include <plat/hardware.h>
22 
23 #include "iomap.h"
24 #include "common.h"
25 #include "cm.h"
26 #include "cm2xxx_3xxx.h"
27 #include "cm-regbits-24xx.h"
28 #include "cm-regbits-34xx.h"
29 
30 /* CM_AUTOIDLE_PLL.AUTO_* bit values for DPLLs */
31 #define DPLL_AUTOIDLE_DISABLE				0x0
32 #define OMAP2XXX_DPLL_AUTOIDLE_LOW_POWER_STOP		0x3
33 
34 /* CM_AUTOIDLE_PLL.AUTO_* bit values for APLLs (OMAP2xxx only) */
35 #define OMAP2XXX_APLL_AUTOIDLE_DISABLE			0x0
36 #define OMAP2XXX_APLL_AUTOIDLE_LOW_POWER_STOP		0x3
37 
38 static const u8 cm_idlest_offs[] = {
39 	CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3
40 };
41 
omap2_cm_read_mod_reg(s16 module,u16 idx)42 u32 omap2_cm_read_mod_reg(s16 module, u16 idx)
43 {
44 	return __raw_readl(cm_base + module + idx);
45 }
46 
omap2_cm_write_mod_reg(u32 val,s16 module,u16 idx)47 void omap2_cm_write_mod_reg(u32 val, s16 module, u16 idx)
48 {
49 	__raw_writel(val, cm_base + module + idx);
50 }
51 
52 /* Read-modify-write a register in a CM module. Caller must lock */
omap2_cm_rmw_mod_reg_bits(u32 mask,u32 bits,s16 module,s16 idx)53 u32 omap2_cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
54 {
55 	u32 v;
56 
57 	v = omap2_cm_read_mod_reg(module, idx);
58 	v &= ~mask;
59 	v |= bits;
60 	omap2_cm_write_mod_reg(v, module, idx);
61 
62 	return v;
63 }
64 
omap2_cm_set_mod_reg_bits(u32 bits,s16 module,s16 idx)65 u32 omap2_cm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
66 {
67 	return omap2_cm_rmw_mod_reg_bits(bits, bits, module, idx);
68 }
69 
omap2_cm_clear_mod_reg_bits(u32 bits,s16 module,s16 idx)70 u32 omap2_cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
71 {
72 	return omap2_cm_rmw_mod_reg_bits(bits, 0x0, module, idx);
73 }
74 
75 /*
76  *
77  */
78 
_write_clktrctrl(u8 c,s16 module,u32 mask)79 static void _write_clktrctrl(u8 c, s16 module, u32 mask)
80 {
81 	u32 v;
82 
83 	v = omap2_cm_read_mod_reg(module, OMAP2_CM_CLKSTCTRL);
84 	v &= ~mask;
85 	v |= c << __ffs(mask);
86 	omap2_cm_write_mod_reg(v, module, OMAP2_CM_CLKSTCTRL);
87 }
88 
omap2_cm_is_clkdm_in_hwsup(s16 module,u32 mask)89 bool omap2_cm_is_clkdm_in_hwsup(s16 module, u32 mask)
90 {
91 	u32 v;
92 	bool ret = 0;
93 
94 	BUG_ON(!cpu_is_omap24xx() && !cpu_is_omap34xx());
95 
96 	v = omap2_cm_read_mod_reg(module, OMAP2_CM_CLKSTCTRL);
97 	v &= mask;
98 	v >>= __ffs(mask);
99 
100 	if (cpu_is_omap24xx())
101 		ret = (v == OMAP24XX_CLKSTCTRL_ENABLE_AUTO) ? 1 : 0;
102 	else
103 		ret = (v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) ? 1 : 0;
104 
105 	return ret;
106 }
107 
omap2xxx_cm_clkdm_enable_hwsup(s16 module,u32 mask)108 void omap2xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask)
109 {
110 	_write_clktrctrl(OMAP24XX_CLKSTCTRL_ENABLE_AUTO, module, mask);
111 }
112 
omap2xxx_cm_clkdm_disable_hwsup(s16 module,u32 mask)113 void omap2xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask)
114 {
115 	_write_clktrctrl(OMAP24XX_CLKSTCTRL_DISABLE_AUTO, module, mask);
116 }
117 
omap3xxx_cm_clkdm_enable_hwsup(s16 module,u32 mask)118 void omap3xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask)
119 {
120 	_write_clktrctrl(OMAP34XX_CLKSTCTRL_ENABLE_AUTO, module, mask);
121 }
122 
omap3xxx_cm_clkdm_disable_hwsup(s16 module,u32 mask)123 void omap3xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask)
124 {
125 	_write_clktrctrl(OMAP34XX_CLKSTCTRL_DISABLE_AUTO, module, mask);
126 }
127 
omap3xxx_cm_clkdm_force_sleep(s16 module,u32 mask)128 void omap3xxx_cm_clkdm_force_sleep(s16 module, u32 mask)
129 {
130 	_write_clktrctrl(OMAP34XX_CLKSTCTRL_FORCE_SLEEP, module, mask);
131 }
132 
omap3xxx_cm_clkdm_force_wakeup(s16 module,u32 mask)133 void omap3xxx_cm_clkdm_force_wakeup(s16 module, u32 mask)
134 {
135 	_write_clktrctrl(OMAP34XX_CLKSTCTRL_FORCE_WAKEUP, module, mask);
136 }
137 
138 /*
139  * DPLL autoidle control
140  */
141 
_omap2xxx_set_dpll_autoidle(u8 m)142 static void _omap2xxx_set_dpll_autoidle(u8 m)
143 {
144 	u32 v;
145 
146 	v = omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE);
147 	v &= ~OMAP24XX_AUTO_DPLL_MASK;
148 	v |= m << OMAP24XX_AUTO_DPLL_SHIFT;
149 	omap2_cm_write_mod_reg(v, PLL_MOD, CM_AUTOIDLE);
150 }
151 
omap2xxx_cm_set_dpll_disable_autoidle(void)152 void omap2xxx_cm_set_dpll_disable_autoidle(void)
153 {
154 	_omap2xxx_set_dpll_autoidle(OMAP2XXX_DPLL_AUTOIDLE_LOW_POWER_STOP);
155 }
156 
omap2xxx_cm_set_dpll_auto_low_power_stop(void)157 void omap2xxx_cm_set_dpll_auto_low_power_stop(void)
158 {
159 	_omap2xxx_set_dpll_autoidle(DPLL_AUTOIDLE_DISABLE);
160 }
161 
162 /*
163  * APLL autoidle control
164  */
165 
_omap2xxx_set_apll_autoidle(u8 m,u32 mask)166 static void _omap2xxx_set_apll_autoidle(u8 m, u32 mask)
167 {
168 	u32 v;
169 
170 	v = omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE);
171 	v &= ~mask;
172 	v |= m << __ffs(mask);
173 	omap2_cm_write_mod_reg(v, PLL_MOD, CM_AUTOIDLE);
174 }
175 
omap2xxx_cm_set_apll54_disable_autoidle(void)176 void omap2xxx_cm_set_apll54_disable_autoidle(void)
177 {
178 	_omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_LOW_POWER_STOP,
179 				    OMAP24XX_AUTO_54M_MASK);
180 }
181 
omap2xxx_cm_set_apll54_auto_low_power_stop(void)182 void omap2xxx_cm_set_apll54_auto_low_power_stop(void)
183 {
184 	_omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_DISABLE,
185 				    OMAP24XX_AUTO_54M_MASK);
186 }
187 
omap2xxx_cm_set_apll96_disable_autoidle(void)188 void omap2xxx_cm_set_apll96_disable_autoidle(void)
189 {
190 	_omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_LOW_POWER_STOP,
191 				    OMAP24XX_AUTO_96M_MASK);
192 }
193 
omap2xxx_cm_set_apll96_auto_low_power_stop(void)194 void omap2xxx_cm_set_apll96_auto_low_power_stop(void)
195 {
196 	_omap2xxx_set_apll_autoidle(OMAP2XXX_APLL_AUTOIDLE_DISABLE,
197 				    OMAP24XX_AUTO_96M_MASK);
198 }
199 
200 /*
201  *
202  */
203 
204 /**
205  * omap2_cm_wait_idlest_ready - wait for a module to leave idle or standby
206  * @prcm_mod: PRCM module offset
207  * @idlest_id: CM_IDLESTx register ID (i.e., x = 1, 2, 3)
208  * @idlest_shift: shift of the bit in the CM_IDLEST* register to check
209  *
210  * XXX document
211  */
omap2_cm_wait_module_ready(s16 prcm_mod,u8 idlest_id,u8 idlest_shift)212 int omap2_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift)
213 {
214 	int ena = 0, i = 0;
215 	u8 cm_idlest_reg;
216 	u32 mask;
217 
218 	if (!idlest_id || (idlest_id > ARRAY_SIZE(cm_idlest_offs)))
219 		return -EINVAL;
220 
221 	cm_idlest_reg = cm_idlest_offs[idlest_id - 1];
222 
223 	mask = 1 << idlest_shift;
224 
225 	if (cpu_is_omap24xx())
226 		ena = mask;
227 	else if (cpu_is_omap34xx())
228 		ena = 0;
229 	else
230 		BUG();
231 
232 	omap_test_timeout(((omap2_cm_read_mod_reg(prcm_mod, cm_idlest_reg) & mask) == ena),
233 			  MAX_MODULE_READY_TIME, i);
234 
235 	return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
236 }
237 
238 /*
239  * Context save/restore code - OMAP3 only
240  */
241 #ifdef CONFIG_ARCH_OMAP3
242 struct omap3_cm_regs {
243 	u32 iva2_cm_clksel1;
244 	u32 iva2_cm_clksel2;
245 	u32 cm_sysconfig;
246 	u32 sgx_cm_clksel;
247 	u32 dss_cm_clksel;
248 	u32 cam_cm_clksel;
249 	u32 per_cm_clksel;
250 	u32 emu_cm_clksel;
251 	u32 emu_cm_clkstctrl;
252 	u32 pll_cm_autoidle;
253 	u32 pll_cm_autoidle2;
254 	u32 pll_cm_clksel4;
255 	u32 pll_cm_clksel5;
256 	u32 pll_cm_clken2;
257 	u32 cm_polctrl;
258 	u32 iva2_cm_fclken;
259 	u32 iva2_cm_clken_pll;
260 	u32 core_cm_fclken1;
261 	u32 core_cm_fclken3;
262 	u32 sgx_cm_fclken;
263 	u32 wkup_cm_fclken;
264 	u32 dss_cm_fclken;
265 	u32 cam_cm_fclken;
266 	u32 per_cm_fclken;
267 	u32 usbhost_cm_fclken;
268 	u32 core_cm_iclken1;
269 	u32 core_cm_iclken2;
270 	u32 core_cm_iclken3;
271 	u32 sgx_cm_iclken;
272 	u32 wkup_cm_iclken;
273 	u32 dss_cm_iclken;
274 	u32 cam_cm_iclken;
275 	u32 per_cm_iclken;
276 	u32 usbhost_cm_iclken;
277 	u32 iva2_cm_autoidle2;
278 	u32 mpu_cm_autoidle2;
279 	u32 iva2_cm_clkstctrl;
280 	u32 mpu_cm_clkstctrl;
281 	u32 core_cm_clkstctrl;
282 	u32 sgx_cm_clkstctrl;
283 	u32 dss_cm_clkstctrl;
284 	u32 cam_cm_clkstctrl;
285 	u32 per_cm_clkstctrl;
286 	u32 neon_cm_clkstctrl;
287 	u32 usbhost_cm_clkstctrl;
288 	u32 core_cm_autoidle1;
289 	u32 core_cm_autoidle2;
290 	u32 core_cm_autoidle3;
291 	u32 wkup_cm_autoidle;
292 	u32 dss_cm_autoidle;
293 	u32 cam_cm_autoidle;
294 	u32 per_cm_autoidle;
295 	u32 usbhost_cm_autoidle;
296 	u32 sgx_cm_sleepdep;
297 	u32 dss_cm_sleepdep;
298 	u32 cam_cm_sleepdep;
299 	u32 per_cm_sleepdep;
300 	u32 usbhost_cm_sleepdep;
301 	u32 cm_clkout_ctrl;
302 };
303 
304 static struct omap3_cm_regs cm_context;
305 
omap3_cm_save_context(void)306 void omap3_cm_save_context(void)
307 {
308 	cm_context.iva2_cm_clksel1 =
309 		omap2_cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSEL1);
310 	cm_context.iva2_cm_clksel2 =
311 		omap2_cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSEL2);
312 	cm_context.cm_sysconfig = __raw_readl(OMAP3430_CM_SYSCONFIG);
313 	cm_context.sgx_cm_clksel =
314 		omap2_cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_CLKSEL);
315 	cm_context.dss_cm_clksel =
316 		omap2_cm_read_mod_reg(OMAP3430_DSS_MOD, CM_CLKSEL);
317 	cm_context.cam_cm_clksel =
318 		omap2_cm_read_mod_reg(OMAP3430_CAM_MOD, CM_CLKSEL);
319 	cm_context.per_cm_clksel =
320 		omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_CLKSEL);
321 	cm_context.emu_cm_clksel =
322 		omap2_cm_read_mod_reg(OMAP3430_EMU_MOD, CM_CLKSEL1);
323 	cm_context.emu_cm_clkstctrl =
324 		omap2_cm_read_mod_reg(OMAP3430_EMU_MOD, OMAP2_CM_CLKSTCTRL);
325 	/*
326 	 * As per erratum i671, ROM code does not respect the PER DPLL
327 	 * programming scheme if CM_AUTOIDLE_PLL.AUTO_PERIPH_DPLL == 1.
328 	 * In this case, even though this register has been saved in
329 	 * scratchpad contents, we need to restore AUTO_PERIPH_DPLL
330 	 * by ourselves. So, we need to save it anyway.
331 	 */
332 	cm_context.pll_cm_autoidle =
333 		omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE);
334 	cm_context.pll_cm_autoidle2 =
335 		omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE2);
336 	cm_context.pll_cm_clksel4 =
337 		omap2_cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL4);
338 	cm_context.pll_cm_clksel5 =
339 		omap2_cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL5);
340 	cm_context.pll_cm_clken2 =
341 		omap2_cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKEN2);
342 	cm_context.cm_polctrl = __raw_readl(OMAP3430_CM_POLCTRL);
343 	cm_context.iva2_cm_fclken =
344 		omap2_cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_FCLKEN);
345 	cm_context.iva2_cm_clken_pll =
346 		omap2_cm_read_mod_reg(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKEN_PLL);
347 	cm_context.core_cm_fclken1 =
348 		omap2_cm_read_mod_reg(CORE_MOD, CM_FCLKEN1);
349 	cm_context.core_cm_fclken3 =
350 		omap2_cm_read_mod_reg(CORE_MOD, OMAP3430ES2_CM_FCLKEN3);
351 	cm_context.sgx_cm_fclken =
352 		omap2_cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_FCLKEN);
353 	cm_context.wkup_cm_fclken =
354 		omap2_cm_read_mod_reg(WKUP_MOD, CM_FCLKEN);
355 	cm_context.dss_cm_fclken =
356 		omap2_cm_read_mod_reg(OMAP3430_DSS_MOD, CM_FCLKEN);
357 	cm_context.cam_cm_fclken =
358 		omap2_cm_read_mod_reg(OMAP3430_CAM_MOD, CM_FCLKEN);
359 	cm_context.per_cm_fclken =
360 		omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_FCLKEN);
361 	cm_context.usbhost_cm_fclken =
362 		omap2_cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN);
363 	cm_context.core_cm_iclken1 =
364 		omap2_cm_read_mod_reg(CORE_MOD, CM_ICLKEN1);
365 	cm_context.core_cm_iclken2 =
366 		omap2_cm_read_mod_reg(CORE_MOD, CM_ICLKEN2);
367 	cm_context.core_cm_iclken3 =
368 		omap2_cm_read_mod_reg(CORE_MOD, CM_ICLKEN3);
369 	cm_context.sgx_cm_iclken =
370 		omap2_cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_ICLKEN);
371 	cm_context.wkup_cm_iclken =
372 		omap2_cm_read_mod_reg(WKUP_MOD, CM_ICLKEN);
373 	cm_context.dss_cm_iclken =
374 		omap2_cm_read_mod_reg(OMAP3430_DSS_MOD, CM_ICLKEN);
375 	cm_context.cam_cm_iclken =
376 		omap2_cm_read_mod_reg(OMAP3430_CAM_MOD, CM_ICLKEN);
377 	cm_context.per_cm_iclken =
378 		omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_ICLKEN);
379 	cm_context.usbhost_cm_iclken =
380 		omap2_cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN);
381 	cm_context.iva2_cm_autoidle2 =
382 		omap2_cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_AUTOIDLE2);
383 	cm_context.mpu_cm_autoidle2 =
384 		omap2_cm_read_mod_reg(MPU_MOD, CM_AUTOIDLE2);
385 	cm_context.iva2_cm_clkstctrl =
386 		omap2_cm_read_mod_reg(OMAP3430_IVA2_MOD, OMAP2_CM_CLKSTCTRL);
387 	cm_context.mpu_cm_clkstctrl =
388 		omap2_cm_read_mod_reg(MPU_MOD, OMAP2_CM_CLKSTCTRL);
389 	cm_context.core_cm_clkstctrl =
390 		omap2_cm_read_mod_reg(CORE_MOD, OMAP2_CM_CLKSTCTRL);
391 	cm_context.sgx_cm_clkstctrl =
392 		omap2_cm_read_mod_reg(OMAP3430ES2_SGX_MOD, OMAP2_CM_CLKSTCTRL);
393 	cm_context.dss_cm_clkstctrl =
394 		omap2_cm_read_mod_reg(OMAP3430_DSS_MOD, OMAP2_CM_CLKSTCTRL);
395 	cm_context.cam_cm_clkstctrl =
396 		omap2_cm_read_mod_reg(OMAP3430_CAM_MOD, OMAP2_CM_CLKSTCTRL);
397 	cm_context.per_cm_clkstctrl =
398 		omap2_cm_read_mod_reg(OMAP3430_PER_MOD, OMAP2_CM_CLKSTCTRL);
399 	cm_context.neon_cm_clkstctrl =
400 		omap2_cm_read_mod_reg(OMAP3430_NEON_MOD, OMAP2_CM_CLKSTCTRL);
401 	cm_context.usbhost_cm_clkstctrl =
402 		omap2_cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD,
403 				      OMAP2_CM_CLKSTCTRL);
404 	cm_context.core_cm_autoidle1 =
405 		omap2_cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE1);
406 	cm_context.core_cm_autoidle2 =
407 		omap2_cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE2);
408 	cm_context.core_cm_autoidle3 =
409 		omap2_cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE3);
410 	cm_context.wkup_cm_autoidle =
411 		omap2_cm_read_mod_reg(WKUP_MOD, CM_AUTOIDLE);
412 	cm_context.dss_cm_autoidle =
413 		omap2_cm_read_mod_reg(OMAP3430_DSS_MOD, CM_AUTOIDLE);
414 	cm_context.cam_cm_autoidle =
415 		omap2_cm_read_mod_reg(OMAP3430_CAM_MOD, CM_AUTOIDLE);
416 	cm_context.per_cm_autoidle =
417 		omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE);
418 	cm_context.usbhost_cm_autoidle =
419 		omap2_cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_AUTOIDLE);
420 	cm_context.sgx_cm_sleepdep =
421 		omap2_cm_read_mod_reg(OMAP3430ES2_SGX_MOD,
422 				      OMAP3430_CM_SLEEPDEP);
423 	cm_context.dss_cm_sleepdep =
424 		omap2_cm_read_mod_reg(OMAP3430_DSS_MOD, OMAP3430_CM_SLEEPDEP);
425 	cm_context.cam_cm_sleepdep =
426 		omap2_cm_read_mod_reg(OMAP3430_CAM_MOD, OMAP3430_CM_SLEEPDEP);
427 	cm_context.per_cm_sleepdep =
428 		omap2_cm_read_mod_reg(OMAP3430_PER_MOD, OMAP3430_CM_SLEEPDEP);
429 	cm_context.usbhost_cm_sleepdep =
430 		omap2_cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD,
431 				      OMAP3430_CM_SLEEPDEP);
432 	cm_context.cm_clkout_ctrl =
433 		omap2_cm_read_mod_reg(OMAP3430_CCR_MOD,
434 				      OMAP3_CM_CLKOUT_CTRL_OFFSET);
435 }
436 
omap3_cm_restore_context(void)437 void omap3_cm_restore_context(void)
438 {
439 	omap2_cm_write_mod_reg(cm_context.iva2_cm_clksel1, OMAP3430_IVA2_MOD,
440 			       CM_CLKSEL1);
441 	omap2_cm_write_mod_reg(cm_context.iva2_cm_clksel2, OMAP3430_IVA2_MOD,
442 			       CM_CLKSEL2);
443 	__raw_writel(cm_context.cm_sysconfig, OMAP3430_CM_SYSCONFIG);
444 	omap2_cm_write_mod_reg(cm_context.sgx_cm_clksel, OMAP3430ES2_SGX_MOD,
445 			       CM_CLKSEL);
446 	omap2_cm_write_mod_reg(cm_context.dss_cm_clksel, OMAP3430_DSS_MOD,
447 			       CM_CLKSEL);
448 	omap2_cm_write_mod_reg(cm_context.cam_cm_clksel, OMAP3430_CAM_MOD,
449 			       CM_CLKSEL);
450 	omap2_cm_write_mod_reg(cm_context.per_cm_clksel, OMAP3430_PER_MOD,
451 			       CM_CLKSEL);
452 	omap2_cm_write_mod_reg(cm_context.emu_cm_clksel, OMAP3430_EMU_MOD,
453 			       CM_CLKSEL1);
454 	omap2_cm_write_mod_reg(cm_context.emu_cm_clkstctrl, OMAP3430_EMU_MOD,
455 			       OMAP2_CM_CLKSTCTRL);
456 	/*
457 	 * As per erratum i671, ROM code does not respect the PER DPLL
458 	 * programming scheme if CM_AUTOIDLE_PLL.AUTO_PERIPH_DPLL == 1.
459 	 * In this case, we need to restore AUTO_PERIPH_DPLL by ourselves.
460 	 */
461 	omap2_cm_write_mod_reg(cm_context.pll_cm_autoidle, PLL_MOD,
462 			       CM_AUTOIDLE);
463 	omap2_cm_write_mod_reg(cm_context.pll_cm_autoidle2, PLL_MOD,
464 			       CM_AUTOIDLE2);
465 	omap2_cm_write_mod_reg(cm_context.pll_cm_clksel4, PLL_MOD,
466 			       OMAP3430ES2_CM_CLKSEL4);
467 	omap2_cm_write_mod_reg(cm_context.pll_cm_clksel5, PLL_MOD,
468 			       OMAP3430ES2_CM_CLKSEL5);
469 	omap2_cm_write_mod_reg(cm_context.pll_cm_clken2, PLL_MOD,
470 			       OMAP3430ES2_CM_CLKEN2);
471 	__raw_writel(cm_context.cm_polctrl, OMAP3430_CM_POLCTRL);
472 	omap2_cm_write_mod_reg(cm_context.iva2_cm_fclken, OMAP3430_IVA2_MOD,
473 			       CM_FCLKEN);
474 	omap2_cm_write_mod_reg(cm_context.iva2_cm_clken_pll, OMAP3430_IVA2_MOD,
475 			       OMAP3430_CM_CLKEN_PLL);
476 	omap2_cm_write_mod_reg(cm_context.core_cm_fclken1, CORE_MOD,
477 			       CM_FCLKEN1);
478 	omap2_cm_write_mod_reg(cm_context.core_cm_fclken3, CORE_MOD,
479 			       OMAP3430ES2_CM_FCLKEN3);
480 	omap2_cm_write_mod_reg(cm_context.sgx_cm_fclken, OMAP3430ES2_SGX_MOD,
481 			       CM_FCLKEN);
482 	omap2_cm_write_mod_reg(cm_context.wkup_cm_fclken, WKUP_MOD, CM_FCLKEN);
483 	omap2_cm_write_mod_reg(cm_context.dss_cm_fclken, OMAP3430_DSS_MOD,
484 			       CM_FCLKEN);
485 	omap2_cm_write_mod_reg(cm_context.cam_cm_fclken, OMAP3430_CAM_MOD,
486 			       CM_FCLKEN);
487 	omap2_cm_write_mod_reg(cm_context.per_cm_fclken, OMAP3430_PER_MOD,
488 			       CM_FCLKEN);
489 	omap2_cm_write_mod_reg(cm_context.usbhost_cm_fclken,
490 			       OMAP3430ES2_USBHOST_MOD, CM_FCLKEN);
491 	omap2_cm_write_mod_reg(cm_context.core_cm_iclken1, CORE_MOD,
492 			       CM_ICLKEN1);
493 	omap2_cm_write_mod_reg(cm_context.core_cm_iclken2, CORE_MOD,
494 			       CM_ICLKEN2);
495 	omap2_cm_write_mod_reg(cm_context.core_cm_iclken3, CORE_MOD,
496 			       CM_ICLKEN3);
497 	omap2_cm_write_mod_reg(cm_context.sgx_cm_iclken, OMAP3430ES2_SGX_MOD,
498 			       CM_ICLKEN);
499 	omap2_cm_write_mod_reg(cm_context.wkup_cm_iclken, WKUP_MOD, CM_ICLKEN);
500 	omap2_cm_write_mod_reg(cm_context.dss_cm_iclken, OMAP3430_DSS_MOD,
501 			       CM_ICLKEN);
502 	omap2_cm_write_mod_reg(cm_context.cam_cm_iclken, OMAP3430_CAM_MOD,
503 			       CM_ICLKEN);
504 	omap2_cm_write_mod_reg(cm_context.per_cm_iclken, OMAP3430_PER_MOD,
505 			       CM_ICLKEN);
506 	omap2_cm_write_mod_reg(cm_context.usbhost_cm_iclken,
507 			       OMAP3430ES2_USBHOST_MOD, CM_ICLKEN);
508 	omap2_cm_write_mod_reg(cm_context.iva2_cm_autoidle2, OMAP3430_IVA2_MOD,
509 			       CM_AUTOIDLE2);
510 	omap2_cm_write_mod_reg(cm_context.mpu_cm_autoidle2, MPU_MOD,
511 			       CM_AUTOIDLE2);
512 	omap2_cm_write_mod_reg(cm_context.iva2_cm_clkstctrl, OMAP3430_IVA2_MOD,
513 			       OMAP2_CM_CLKSTCTRL);
514 	omap2_cm_write_mod_reg(cm_context.mpu_cm_clkstctrl, MPU_MOD,
515 			       OMAP2_CM_CLKSTCTRL);
516 	omap2_cm_write_mod_reg(cm_context.core_cm_clkstctrl, CORE_MOD,
517 			       OMAP2_CM_CLKSTCTRL);
518 	omap2_cm_write_mod_reg(cm_context.sgx_cm_clkstctrl, OMAP3430ES2_SGX_MOD,
519 			       OMAP2_CM_CLKSTCTRL);
520 	omap2_cm_write_mod_reg(cm_context.dss_cm_clkstctrl, OMAP3430_DSS_MOD,
521 			       OMAP2_CM_CLKSTCTRL);
522 	omap2_cm_write_mod_reg(cm_context.cam_cm_clkstctrl, OMAP3430_CAM_MOD,
523 			       OMAP2_CM_CLKSTCTRL);
524 	omap2_cm_write_mod_reg(cm_context.per_cm_clkstctrl, OMAP3430_PER_MOD,
525 			       OMAP2_CM_CLKSTCTRL);
526 	omap2_cm_write_mod_reg(cm_context.neon_cm_clkstctrl, OMAP3430_NEON_MOD,
527 			       OMAP2_CM_CLKSTCTRL);
528 	omap2_cm_write_mod_reg(cm_context.usbhost_cm_clkstctrl,
529 			       OMAP3430ES2_USBHOST_MOD, OMAP2_CM_CLKSTCTRL);
530 	omap2_cm_write_mod_reg(cm_context.core_cm_autoidle1, CORE_MOD,
531 			       CM_AUTOIDLE1);
532 	omap2_cm_write_mod_reg(cm_context.core_cm_autoidle2, CORE_MOD,
533 			       CM_AUTOIDLE2);
534 	omap2_cm_write_mod_reg(cm_context.core_cm_autoidle3, CORE_MOD,
535 			       CM_AUTOIDLE3);
536 	omap2_cm_write_mod_reg(cm_context.wkup_cm_autoidle, WKUP_MOD,
537 			       CM_AUTOIDLE);
538 	omap2_cm_write_mod_reg(cm_context.dss_cm_autoidle, OMAP3430_DSS_MOD,
539 			       CM_AUTOIDLE);
540 	omap2_cm_write_mod_reg(cm_context.cam_cm_autoidle, OMAP3430_CAM_MOD,
541 			       CM_AUTOIDLE);
542 	omap2_cm_write_mod_reg(cm_context.per_cm_autoidle, OMAP3430_PER_MOD,
543 			       CM_AUTOIDLE);
544 	omap2_cm_write_mod_reg(cm_context.usbhost_cm_autoidle,
545 			       OMAP3430ES2_USBHOST_MOD, CM_AUTOIDLE);
546 	omap2_cm_write_mod_reg(cm_context.sgx_cm_sleepdep, OMAP3430ES2_SGX_MOD,
547 			       OMAP3430_CM_SLEEPDEP);
548 	omap2_cm_write_mod_reg(cm_context.dss_cm_sleepdep, OMAP3430_DSS_MOD,
549 			       OMAP3430_CM_SLEEPDEP);
550 	omap2_cm_write_mod_reg(cm_context.cam_cm_sleepdep, OMAP3430_CAM_MOD,
551 			       OMAP3430_CM_SLEEPDEP);
552 	omap2_cm_write_mod_reg(cm_context.per_cm_sleepdep, OMAP3430_PER_MOD,
553 			       OMAP3430_CM_SLEEPDEP);
554 	omap2_cm_write_mod_reg(cm_context.usbhost_cm_sleepdep,
555 			       OMAP3430ES2_USBHOST_MOD, OMAP3430_CM_SLEEPDEP);
556 	omap2_cm_write_mod_reg(cm_context.cm_clkout_ctrl, OMAP3430_CCR_MOD,
557 			       OMAP3_CM_CLKOUT_CTRL_OFFSET);
558 }
559 #endif
560