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Tony Lindgrenb824efa2006-04-02 17:46:20 +01001/*
2 * linux/arch/arm/mach-omap2/prcm.c
3 *
4 * OMAP 24xx Power Reset and Clock Management (PRCM) functions
5 *
6 * Copyright (C) 2005 Nokia Corporation
7 *
8 * Written by Tony Lindgren <tony.lindgren@nokia.com>
9 *
Rajendra Nayakc171a252008-09-26 17:48:31 +053010 * Copyright (C) 2007 Texas Instruments, Inc.
11 * Rajendra Nayak <rnayak@ti.com>
12 *
Tony Lindgrenb824efa2006-04-02 17:46:20 +010013 * Some pieces of code Copyright (C) 2005 Texas Instruments, Inc.
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License version 2 as
17 * published by the Free Software Foundation.
18 */
Tony Lindgrenb824efa2006-04-02 17:46:20 +010019#include <linux/module.h>
20#include <linux/init.h>
21#include <linux/clk.h>
Tony Lindgrena58caad2008-07-03 12:24:44 +030022#include <linux/io.h>
Paul Walmsley72350b22009-07-24 19:44:03 -060023#include <linux/delay.h>
Tony Lindgrenb824efa2006-04-02 17:46:20 +010024
Tony Lindgrence491cf2009-10-20 09:40:47 -070025#include <plat/common.h>
26#include <plat/prcm.h>
Rajendra Nayakc171a252008-09-26 17:48:31 +053027#include <plat/irqs.h>
28#include <plat/control.h>
Paul Walmsley44595982008-03-18 10:04:51 +020029
Tony Lindgrena58caad2008-07-03 12:24:44 +030030#include "clock.h"
Rajendra Nayakc171a252008-09-26 17:48:31 +053031#include "cm.h"
Paul Walmsley44595982008-03-18 10:04:51 +020032#include "prm.h"
33#include "prm-regbits-24xx.h"
Tony Lindgrenb824efa2006-04-02 17:46:20 +010034
Tony Lindgrena58caad2008-07-03 12:24:44 +030035static void __iomem *prm_base;
36static void __iomem *cm_base;
Rajendra Nayak9ef89152009-12-08 18:24:49 -070037static void __iomem *cm2_base;
Tony Lindgrena58caad2008-07-03 12:24:44 +030038
Paul Walmsley72350b22009-07-24 19:44:03 -060039#define MAX_MODULE_ENABLE_WAIT 100000
40
Rajendra Nayakc171a252008-09-26 17:48:31 +053041struct omap3_prcm_regs {
42 u32 control_padconf_sys_nirq;
Jouni Hogander133464d2009-02-05 13:34:01 +020043 u32 iva2_cm_clksel1;
Rajendra Nayakc171a252008-09-26 17:48:31 +053044 u32 iva2_cm_clksel2;
45 u32 cm_sysconfig;
46 u32 sgx_cm_clksel;
47 u32 wkup_cm_clksel;
48 u32 dss_cm_clksel;
49 u32 cam_cm_clksel;
50 u32 per_cm_clksel;
51 u32 emu_cm_clksel;
52 u32 emu_cm_clkstctrl;
53 u32 pll_cm_autoidle2;
54 u32 pll_cm_clksel4;
55 u32 pll_cm_clksel5;
56 u32 pll_cm_clken;
57 u32 pll_cm_clken2;
58 u32 cm_polctrl;
59 u32 iva2_cm_fclken;
60 u32 iva2_cm_clken_pll;
61 u32 core_cm_fclken1;
62 u32 core_cm_fclken3;
63 u32 sgx_cm_fclken;
64 u32 wkup_cm_fclken;
65 u32 dss_cm_fclken;
66 u32 cam_cm_fclken;
67 u32 per_cm_fclken;
68 u32 usbhost_cm_fclken;
69 u32 core_cm_iclken1;
70 u32 core_cm_iclken2;
71 u32 core_cm_iclken3;
72 u32 sgx_cm_iclken;
73 u32 wkup_cm_iclken;
74 u32 dss_cm_iclken;
75 u32 cam_cm_iclken;
76 u32 per_cm_iclken;
77 u32 usbhost_cm_iclken;
78 u32 iva2_cm_autiidle2;
79 u32 mpu_cm_autoidle2;
80 u32 pll_cm_autoidle;
81 u32 iva2_cm_clkstctrl;
82 u32 mpu_cm_clkstctrl;
83 u32 core_cm_clkstctrl;
84 u32 sgx_cm_clkstctrl;
85 u32 dss_cm_clkstctrl;
86 u32 cam_cm_clkstctrl;
87 u32 per_cm_clkstctrl;
88 u32 neon_cm_clkstctrl;
89 u32 usbhost_cm_clkstctrl;
90 u32 core_cm_autoidle1;
91 u32 core_cm_autoidle2;
92 u32 core_cm_autoidle3;
93 u32 wkup_cm_autoidle;
94 u32 dss_cm_autoidle;
95 u32 cam_cm_autoidle;
96 u32 per_cm_autoidle;
97 u32 usbhost_cm_autoidle;
98 u32 sgx_cm_sleepdep;
99 u32 dss_cm_sleepdep;
100 u32 cam_cm_sleepdep;
101 u32 per_cm_sleepdep;
102 u32 usbhost_cm_sleepdep;
103 u32 cm_clkout_ctrl;
104 u32 prm_clkout_ctrl;
105 u32 sgx_pm_wkdep;
106 u32 dss_pm_wkdep;
107 u32 cam_pm_wkdep;
108 u32 per_pm_wkdep;
109 u32 neon_pm_wkdep;
110 u32 usbhost_pm_wkdep;
111 u32 core_pm_mpugrpsel1;
112 u32 iva2_pm_ivagrpsel1;
113 u32 core_pm_mpugrpsel3;
114 u32 core_pm_ivagrpsel3;
115 u32 wkup_pm_mpugrpsel;
116 u32 wkup_pm_ivagrpsel;
117 u32 per_pm_mpugrpsel;
118 u32 per_pm_ivagrpsel;
119 u32 wkup_pm_wken;
120};
121
122struct omap3_prcm_regs prcm_context;
123
Tony Lindgrenb824efa2006-04-02 17:46:20 +0100124u32 omap_prcm_get_reset_sources(void)
125{
Tony Lindgrenff00fcc2008-07-03 12:24:44 +0300126 /* XXX This presumably needs modification for 34XX */
Paul Walmsley44595982008-03-18 10:04:51 +0200127 return prm_read_mod_reg(WKUP_MOD, RM_RSTST) & 0x7f;
Tony Lindgrenb824efa2006-04-02 17:46:20 +0100128}
129EXPORT_SYMBOL(omap_prcm_get_reset_sources);
130
131/* Resets clock rates and reboots the system. Only called from system.h */
132void omap_prcm_arch_reset(char mode)
133{
Tony Lindgrenff00fcc2008-07-03 12:24:44 +0300134 s16 prcm_offs;
Tony Lindgrenae78dcf2006-09-25 12:41:20 +0300135 omap2_clk_prepare_for_reboot();
Paul Walmsley44595982008-03-18 10:04:51 +0200136
Tony Lindgrenff00fcc2008-07-03 12:24:44 +0300137 if (cpu_is_omap24xx())
138 prcm_offs = WKUP_MOD;
Juha Yrjola692ec4a2009-03-09 21:21:01 +0000139 else if (cpu_is_omap34xx()) {
140 u32 l;
141
Tony Lindgrenff00fcc2008-07-03 12:24:44 +0300142 prcm_offs = OMAP3430_GR_MOD;
Juha Yrjola692ec4a2009-03-09 21:21:01 +0000143 l = ('B' << 24) | ('M' << 16) | mode;
144 /* Reserve the first word in scratchpad for communicating
145 * with the boot ROM. A pointer to a data structure
146 * describing the boot process can be stored there,
147 * cf. OMAP34xx TRM, Initialization / Software Booting
148 * Configuration. */
149 omap_writel(l, OMAP343X_SCRATCHPAD + 4);
150 } else
Tony Lindgrenff00fcc2008-07-03 12:24:44 +0300151 WARN_ON(1);
152
153 prm_set_mod_reg_bits(OMAP_RST_DPLL3, prcm_offs, RM_RSTCTRL);
Tony Lindgrenb824efa2006-04-02 17:46:20 +0100154}
Tony Lindgrena58caad2008-07-03 12:24:44 +0300155
156static inline u32 __omap_prcm_read(void __iomem *base, s16 module, u16 reg)
157{
158 BUG_ON(!base);
159 return __raw_readl(base + module + reg);
160}
161
162static inline void __omap_prcm_write(u32 value, void __iomem *base,
163 s16 module, u16 reg)
164{
165 BUG_ON(!base);
166 __raw_writel(value, base + module + reg);
167}
168
169/* Read a register in a PRM module */
170u32 prm_read_mod_reg(s16 module, u16 idx)
171{
172 return __omap_prcm_read(prm_base, module, idx);
173}
Tony Lindgrena58caad2008-07-03 12:24:44 +0300174
175/* Write into a register in a PRM module */
176void prm_write_mod_reg(u32 val, s16 module, u16 idx)
177{
178 __omap_prcm_write(val, prm_base, module, idx);
179}
Tony Lindgrena58caad2008-07-03 12:24:44 +0300180
Tony Lindgrenff00fcc2008-07-03 12:24:44 +0300181/* Read-modify-write a register in a PRM module. Caller must lock */
182u32 prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
183{
184 u32 v;
185
186 v = prm_read_mod_reg(module, idx);
187 v &= ~mask;
188 v |= bits;
189 prm_write_mod_reg(v, module, idx);
190
191 return v;
192}
Tony Lindgrenff00fcc2008-07-03 12:24:44 +0300193
Tony Lindgrena58caad2008-07-03 12:24:44 +0300194/* Read a register in a CM module */
195u32 cm_read_mod_reg(s16 module, u16 idx)
196{
197 return __omap_prcm_read(cm_base, module, idx);
198}
Tony Lindgrena58caad2008-07-03 12:24:44 +0300199
200/* Write into a register in a CM module */
201void cm_write_mod_reg(u32 val, s16 module, u16 idx)
202{
203 __omap_prcm_write(val, cm_base, module, idx);
204}
Tony Lindgrena58caad2008-07-03 12:24:44 +0300205
Tony Lindgrenff00fcc2008-07-03 12:24:44 +0300206/* Read-modify-write a register in a CM module. Caller must lock */
207u32 cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
208{
209 u32 v;
210
211 v = cm_read_mod_reg(module, idx);
212 v &= ~mask;
213 v |= bits;
214 cm_write_mod_reg(v, module, idx);
215
216 return v;
217}
Tony Lindgrenff00fcc2008-07-03 12:24:44 +0300218
Paul Walmsley72350b22009-07-24 19:44:03 -0600219/**
220 * omap2_cm_wait_idlest - wait for IDLEST bit to indicate module readiness
221 * @reg: physical address of module IDLEST register
222 * @mask: value to mask against to determine if the module is active
223 * @name: name of the clock (for printk)
224 *
225 * Returns 1 if the module indicated readiness in time, or 0 if it
226 * failed to enable in roughly MAX_MODULE_ENABLE_WAIT microseconds.
227 */
228int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, const char *name)
229{
230 int i = 0;
231 int ena = 0;
232
233 /*
234 * 24xx uses 0 to indicate not ready, and 1 to indicate ready.
235 * 34xx reverses this, just to keep us on our toes
236 */
237 if (cpu_is_omap24xx())
238 ena = mask;
239 else if (cpu_is_omap34xx())
240 ena = 0;
241 else
242 BUG();
243
244 /* Wait for lock */
Paul Walmsley6f8b7ff2009-12-08 16:33:16 -0700245 omap_test_timeout(((__raw_readl(reg) & mask) == ena),
246 MAX_MODULE_ENABLE_WAIT, i);
Paul Walmsley72350b22009-07-24 19:44:03 -0600247
248 if (i < MAX_MODULE_ENABLE_WAIT)
249 pr_debug("cm: Module associated with clock %s ready after %d "
250 "loops\n", name, i);
251 else
252 pr_err("cm: Module associated with clock %s didn't enable in "
253 "%d tries\n", name, MAX_MODULE_ENABLE_WAIT);
254
255 return (i < MAX_MODULE_ENABLE_WAIT) ? 1 : 0;
256};
257
Tony Lindgrena58caad2008-07-03 12:24:44 +0300258void __init omap2_set_globals_prcm(struct omap_globals *omap2_globals)
259{
260 prm_base = omap2_globals->prm;
261 cm_base = omap2_globals->cm;
Rajendra Nayak9ef89152009-12-08 18:24:49 -0700262 cm2_base = omap2_globals->cm2;
Tony Lindgrena58caad2008-07-03 12:24:44 +0300263}
Rajendra Nayakc171a252008-09-26 17:48:31 +0530264
265#ifdef CONFIG_ARCH_OMAP3
266void omap3_prcm_save_context(void)
267{
268 prcm_context.control_padconf_sys_nirq =
269 omap_ctrl_readl(OMAP343X_CONTROL_PADCONF_SYSNIRQ);
Jouni Hogander133464d2009-02-05 13:34:01 +0200270 prcm_context.iva2_cm_clksel1 =
271 cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSEL1);
Rajendra Nayakc171a252008-09-26 17:48:31 +0530272 prcm_context.iva2_cm_clksel2 =
273 cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSEL2);
274 prcm_context.cm_sysconfig = __raw_readl(OMAP3430_CM_SYSCONFIG);
275 prcm_context.sgx_cm_clksel =
276 cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_CLKSEL);
277 prcm_context.wkup_cm_clksel = cm_read_mod_reg(WKUP_MOD, CM_CLKSEL);
278 prcm_context.dss_cm_clksel =
279 cm_read_mod_reg(OMAP3430_DSS_MOD, CM_CLKSEL);
280 prcm_context.cam_cm_clksel =
281 cm_read_mod_reg(OMAP3430_CAM_MOD, CM_CLKSEL);
282 prcm_context.per_cm_clksel =
283 cm_read_mod_reg(OMAP3430_PER_MOD, CM_CLKSEL);
284 prcm_context.emu_cm_clksel =
285 cm_read_mod_reg(OMAP3430_EMU_MOD, CM_CLKSEL1);
286 prcm_context.emu_cm_clkstctrl =
287 cm_read_mod_reg(OMAP3430_EMU_MOD, CM_CLKSTCTRL);
288 prcm_context.pll_cm_autoidle2 =
289 cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE2);
290 prcm_context.pll_cm_clksel4 =
291 cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL4);
292 prcm_context.pll_cm_clksel5 =
293 cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL5);
294 prcm_context.pll_cm_clken =
295 cm_read_mod_reg(PLL_MOD, CM_CLKEN);
296 prcm_context.pll_cm_clken2 =
297 cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKEN2);
298 prcm_context.cm_polctrl = __raw_readl(OMAP3430_CM_POLCTRL);
299 prcm_context.iva2_cm_fclken =
300 cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_FCLKEN);
301 prcm_context.iva2_cm_clken_pll = cm_read_mod_reg(OMAP3430_IVA2_MOD,
302 OMAP3430_CM_CLKEN_PLL);
303 prcm_context.core_cm_fclken1 =
304 cm_read_mod_reg(CORE_MOD, CM_FCLKEN1);
305 prcm_context.core_cm_fclken3 =
306 cm_read_mod_reg(CORE_MOD, OMAP3430ES2_CM_FCLKEN3);
307 prcm_context.sgx_cm_fclken =
308 cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_FCLKEN);
309 prcm_context.wkup_cm_fclken =
310 cm_read_mod_reg(WKUP_MOD, CM_FCLKEN);
311 prcm_context.dss_cm_fclken =
312 cm_read_mod_reg(OMAP3430_DSS_MOD, CM_FCLKEN);
313 prcm_context.cam_cm_fclken =
314 cm_read_mod_reg(OMAP3430_CAM_MOD, CM_FCLKEN);
315 prcm_context.per_cm_fclken =
316 cm_read_mod_reg(OMAP3430_PER_MOD, CM_FCLKEN);
317 prcm_context.usbhost_cm_fclken =
318 cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN);
319 prcm_context.core_cm_iclken1 =
320 cm_read_mod_reg(CORE_MOD, CM_ICLKEN1);
321 prcm_context.core_cm_iclken2 =
322 cm_read_mod_reg(CORE_MOD, CM_ICLKEN2);
323 prcm_context.core_cm_iclken3 =
324 cm_read_mod_reg(CORE_MOD, CM_ICLKEN3);
325 prcm_context.sgx_cm_iclken =
326 cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_ICLKEN);
327 prcm_context.wkup_cm_iclken =
328 cm_read_mod_reg(WKUP_MOD, CM_ICLKEN);
329 prcm_context.dss_cm_iclken =
330 cm_read_mod_reg(OMAP3430_DSS_MOD, CM_ICLKEN);
331 prcm_context.cam_cm_iclken =
332 cm_read_mod_reg(OMAP3430_CAM_MOD, CM_ICLKEN);
333 prcm_context.per_cm_iclken =
334 cm_read_mod_reg(OMAP3430_PER_MOD, CM_ICLKEN);
335 prcm_context.usbhost_cm_iclken =
336 cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN);
337 prcm_context.iva2_cm_autiidle2 =
338 cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_AUTOIDLE2);
339 prcm_context.mpu_cm_autoidle2 =
340 cm_read_mod_reg(MPU_MOD, CM_AUTOIDLE2);
341 prcm_context.pll_cm_autoidle =
342 cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE);
343 prcm_context.iva2_cm_clkstctrl =
344 cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSTCTRL);
345 prcm_context.mpu_cm_clkstctrl =
346 cm_read_mod_reg(MPU_MOD, CM_CLKSTCTRL);
347 prcm_context.core_cm_clkstctrl =
348 cm_read_mod_reg(CORE_MOD, CM_CLKSTCTRL);
349 prcm_context.sgx_cm_clkstctrl =
350 cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_CLKSTCTRL);
351 prcm_context.dss_cm_clkstctrl =
352 cm_read_mod_reg(OMAP3430_DSS_MOD, CM_CLKSTCTRL);
353 prcm_context.cam_cm_clkstctrl =
354 cm_read_mod_reg(OMAP3430_CAM_MOD, CM_CLKSTCTRL);
355 prcm_context.per_cm_clkstctrl =
356 cm_read_mod_reg(OMAP3430_PER_MOD, CM_CLKSTCTRL);
357 prcm_context.neon_cm_clkstctrl =
358 cm_read_mod_reg(OMAP3430_NEON_MOD, CM_CLKSTCTRL);
359 prcm_context.usbhost_cm_clkstctrl =
360 cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_CLKSTCTRL);
361 prcm_context.core_cm_autoidle1 =
362 cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE1);
363 prcm_context.core_cm_autoidle2 =
364 cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE2);
365 prcm_context.core_cm_autoidle3 =
366 cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE3);
367 prcm_context.wkup_cm_autoidle =
368 cm_read_mod_reg(WKUP_MOD, CM_AUTOIDLE);
369 prcm_context.dss_cm_autoidle =
370 cm_read_mod_reg(OMAP3430_DSS_MOD, CM_AUTOIDLE);
371 prcm_context.cam_cm_autoidle =
372 cm_read_mod_reg(OMAP3430_CAM_MOD, CM_AUTOIDLE);
373 prcm_context.per_cm_autoidle =
374 cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE);
375 prcm_context.usbhost_cm_autoidle =
376 cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_AUTOIDLE);
377 prcm_context.sgx_cm_sleepdep =
378 cm_read_mod_reg(OMAP3430ES2_SGX_MOD, OMAP3430_CM_SLEEPDEP);
379 prcm_context.dss_cm_sleepdep =
380 cm_read_mod_reg(OMAP3430_DSS_MOD, OMAP3430_CM_SLEEPDEP);
381 prcm_context.cam_cm_sleepdep =
382 cm_read_mod_reg(OMAP3430_CAM_MOD, OMAP3430_CM_SLEEPDEP);
383 prcm_context.per_cm_sleepdep =
384 cm_read_mod_reg(OMAP3430_PER_MOD, OMAP3430_CM_SLEEPDEP);
385 prcm_context.usbhost_cm_sleepdep =
386 cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, OMAP3430_CM_SLEEPDEP);
387 prcm_context.cm_clkout_ctrl = cm_read_mod_reg(OMAP3430_CCR_MOD,
388 OMAP3_CM_CLKOUT_CTRL_OFFSET);
389 prcm_context.prm_clkout_ctrl = prm_read_mod_reg(OMAP3430_CCR_MOD,
390 OMAP3_PRM_CLKOUT_CTRL_OFFSET);
391 prcm_context.sgx_pm_wkdep =
392 prm_read_mod_reg(OMAP3430ES2_SGX_MOD, PM_WKDEP);
393 prcm_context.dss_pm_wkdep =
394 prm_read_mod_reg(OMAP3430_DSS_MOD, PM_WKDEP);
395 prcm_context.cam_pm_wkdep =
396 prm_read_mod_reg(OMAP3430_CAM_MOD, PM_WKDEP);
397 prcm_context.per_pm_wkdep =
398 prm_read_mod_reg(OMAP3430_PER_MOD, PM_WKDEP);
399 prcm_context.neon_pm_wkdep =
400 prm_read_mod_reg(OMAP3430_NEON_MOD, PM_WKDEP);
401 prcm_context.usbhost_pm_wkdep =
402 prm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, PM_WKDEP);
403 prcm_context.core_pm_mpugrpsel1 =
404 prm_read_mod_reg(CORE_MOD, OMAP3430_PM_MPUGRPSEL1);
405 prcm_context.iva2_pm_ivagrpsel1 =
406 prm_read_mod_reg(OMAP3430_IVA2_MOD, OMAP3430_PM_IVAGRPSEL1);
407 prcm_context.core_pm_mpugrpsel3 =
408 prm_read_mod_reg(CORE_MOD, OMAP3430ES2_PM_MPUGRPSEL3);
409 prcm_context.core_pm_ivagrpsel3 =
410 prm_read_mod_reg(CORE_MOD, OMAP3430ES2_PM_IVAGRPSEL3);
411 prcm_context.wkup_pm_mpugrpsel =
412 prm_read_mod_reg(WKUP_MOD, OMAP3430_PM_MPUGRPSEL);
413 prcm_context.wkup_pm_ivagrpsel =
414 prm_read_mod_reg(WKUP_MOD, OMAP3430_PM_IVAGRPSEL);
415 prcm_context.per_pm_mpugrpsel =
416 prm_read_mod_reg(OMAP3430_PER_MOD, OMAP3430_PM_MPUGRPSEL);
417 prcm_context.per_pm_ivagrpsel =
418 prm_read_mod_reg(OMAP3430_PER_MOD, OMAP3430_PM_IVAGRPSEL);
419 prcm_context.wkup_pm_wken = prm_read_mod_reg(WKUP_MOD, PM_WKEN);
420 return;
421}
422
423void omap3_prcm_restore_context(void)
424{
425 omap_ctrl_writel(prcm_context.control_padconf_sys_nirq,
426 OMAP343X_CONTROL_PADCONF_SYSNIRQ);
Jouni Hogander133464d2009-02-05 13:34:01 +0200427 cm_write_mod_reg(prcm_context.iva2_cm_clksel1, OMAP3430_IVA2_MOD,
428 CM_CLKSEL1);
Rajendra Nayakc171a252008-09-26 17:48:31 +0530429 cm_write_mod_reg(prcm_context.iva2_cm_clksel2, OMAP3430_IVA2_MOD,
430 CM_CLKSEL2);
431 __raw_writel(prcm_context.cm_sysconfig, OMAP3430_CM_SYSCONFIG);
432 cm_write_mod_reg(prcm_context.sgx_cm_clksel, OMAP3430ES2_SGX_MOD,
433 CM_CLKSEL);
434 cm_write_mod_reg(prcm_context.wkup_cm_clksel, WKUP_MOD, CM_CLKSEL);
435 cm_write_mod_reg(prcm_context.dss_cm_clksel, OMAP3430_DSS_MOD,
436 CM_CLKSEL);
437 cm_write_mod_reg(prcm_context.cam_cm_clksel, OMAP3430_CAM_MOD,
438 CM_CLKSEL);
439 cm_write_mod_reg(prcm_context.per_cm_clksel, OMAP3430_PER_MOD,
440 CM_CLKSEL);
441 cm_write_mod_reg(prcm_context.emu_cm_clksel, OMAP3430_EMU_MOD,
442 CM_CLKSEL1);
443 cm_write_mod_reg(prcm_context.emu_cm_clkstctrl, OMAP3430_EMU_MOD,
444 CM_CLKSTCTRL);
445 cm_write_mod_reg(prcm_context.pll_cm_autoidle2, PLL_MOD,
446 CM_AUTOIDLE2);
447 cm_write_mod_reg(prcm_context.pll_cm_clksel4, PLL_MOD,
448 OMAP3430ES2_CM_CLKSEL4);
449 cm_write_mod_reg(prcm_context.pll_cm_clksel5, PLL_MOD,
450 OMAP3430ES2_CM_CLKSEL5);
451 cm_write_mod_reg(prcm_context.pll_cm_clken, PLL_MOD, CM_CLKEN);
452 cm_write_mod_reg(prcm_context.pll_cm_clken2, PLL_MOD,
453 OMAP3430ES2_CM_CLKEN2);
454 __raw_writel(prcm_context.cm_polctrl, OMAP3430_CM_POLCTRL);
455 cm_write_mod_reg(prcm_context.iva2_cm_fclken, OMAP3430_IVA2_MOD,
456 CM_FCLKEN);
457 cm_write_mod_reg(prcm_context.iva2_cm_clken_pll, OMAP3430_IVA2_MOD,
458 OMAP3430_CM_CLKEN_PLL);
459 cm_write_mod_reg(prcm_context.core_cm_fclken1, CORE_MOD, CM_FCLKEN1);
460 cm_write_mod_reg(prcm_context.core_cm_fclken3, CORE_MOD,
461 OMAP3430ES2_CM_FCLKEN3);
462 cm_write_mod_reg(prcm_context.sgx_cm_fclken, OMAP3430ES2_SGX_MOD,
463 CM_FCLKEN);
464 cm_write_mod_reg(prcm_context.wkup_cm_fclken, WKUP_MOD, CM_FCLKEN);
465 cm_write_mod_reg(prcm_context.dss_cm_fclken, OMAP3430_DSS_MOD,
466 CM_FCLKEN);
467 cm_write_mod_reg(prcm_context.cam_cm_fclken, OMAP3430_CAM_MOD,
468 CM_FCLKEN);
469 cm_write_mod_reg(prcm_context.per_cm_fclken, OMAP3430_PER_MOD,
470 CM_FCLKEN);
471 cm_write_mod_reg(prcm_context.usbhost_cm_fclken,
472 OMAP3430ES2_USBHOST_MOD, CM_FCLKEN);
473 cm_write_mod_reg(prcm_context.core_cm_iclken1, CORE_MOD, CM_ICLKEN1);
474 cm_write_mod_reg(prcm_context.core_cm_iclken2, CORE_MOD, CM_ICLKEN2);
475 cm_write_mod_reg(prcm_context.core_cm_iclken3, CORE_MOD, CM_ICLKEN3);
476 cm_write_mod_reg(prcm_context.sgx_cm_iclken, OMAP3430ES2_SGX_MOD,
477 CM_ICLKEN);
478 cm_write_mod_reg(prcm_context.wkup_cm_iclken, WKUP_MOD, CM_ICLKEN);
479 cm_write_mod_reg(prcm_context.dss_cm_iclken, OMAP3430_DSS_MOD,
480 CM_ICLKEN);
481 cm_write_mod_reg(prcm_context.cam_cm_iclken, OMAP3430_CAM_MOD,
482 CM_ICLKEN);
483 cm_write_mod_reg(prcm_context.per_cm_iclken, OMAP3430_PER_MOD,
484 CM_ICLKEN);
485 cm_write_mod_reg(prcm_context.usbhost_cm_iclken,
486 OMAP3430ES2_USBHOST_MOD, CM_ICLKEN);
487 cm_write_mod_reg(prcm_context.iva2_cm_autiidle2, OMAP3430_IVA2_MOD,
488 CM_AUTOIDLE2);
489 cm_write_mod_reg(prcm_context.mpu_cm_autoidle2, MPU_MOD, CM_AUTOIDLE2);
490 cm_write_mod_reg(prcm_context.pll_cm_autoidle, PLL_MOD, CM_AUTOIDLE);
491 cm_write_mod_reg(prcm_context.iva2_cm_clkstctrl, OMAP3430_IVA2_MOD,
492 CM_CLKSTCTRL);
493 cm_write_mod_reg(prcm_context.mpu_cm_clkstctrl, MPU_MOD, CM_CLKSTCTRL);
494 cm_write_mod_reg(prcm_context.core_cm_clkstctrl, CORE_MOD,
495 CM_CLKSTCTRL);
496 cm_write_mod_reg(prcm_context.sgx_cm_clkstctrl, OMAP3430ES2_SGX_MOD,
497 CM_CLKSTCTRL);
498 cm_write_mod_reg(prcm_context.dss_cm_clkstctrl, OMAP3430_DSS_MOD,
499 CM_CLKSTCTRL);
500 cm_write_mod_reg(prcm_context.cam_cm_clkstctrl, OMAP3430_CAM_MOD,
501 CM_CLKSTCTRL);
502 cm_write_mod_reg(prcm_context.per_cm_clkstctrl, OMAP3430_PER_MOD,
503 CM_CLKSTCTRL);
504 cm_write_mod_reg(prcm_context.neon_cm_clkstctrl, OMAP3430_NEON_MOD,
505 CM_CLKSTCTRL);
506 cm_write_mod_reg(prcm_context.usbhost_cm_clkstctrl,
507 OMAP3430ES2_USBHOST_MOD, CM_CLKSTCTRL);
508 cm_write_mod_reg(prcm_context.core_cm_autoidle1, CORE_MOD,
509 CM_AUTOIDLE1);
510 cm_write_mod_reg(prcm_context.core_cm_autoidle2, CORE_MOD,
511 CM_AUTOIDLE2);
512 cm_write_mod_reg(prcm_context.core_cm_autoidle3, CORE_MOD,
513 CM_AUTOIDLE3);
514 cm_write_mod_reg(prcm_context.wkup_cm_autoidle, WKUP_MOD, CM_AUTOIDLE);
515 cm_write_mod_reg(prcm_context.dss_cm_autoidle, OMAP3430_DSS_MOD,
516 CM_AUTOIDLE);
517 cm_write_mod_reg(prcm_context.cam_cm_autoidle, OMAP3430_CAM_MOD,
518 CM_AUTOIDLE);
519 cm_write_mod_reg(prcm_context.per_cm_autoidle, OMAP3430_PER_MOD,
520 CM_AUTOIDLE);
521 cm_write_mod_reg(prcm_context.usbhost_cm_autoidle,
522 OMAP3430ES2_USBHOST_MOD, CM_AUTOIDLE);
523 cm_write_mod_reg(prcm_context.sgx_cm_sleepdep, OMAP3430ES2_SGX_MOD,
524 OMAP3430_CM_SLEEPDEP);
525 cm_write_mod_reg(prcm_context.dss_cm_sleepdep, OMAP3430_DSS_MOD,
526 OMAP3430_CM_SLEEPDEP);
527 cm_write_mod_reg(prcm_context.cam_cm_sleepdep, OMAP3430_CAM_MOD,
528 OMAP3430_CM_SLEEPDEP);
529 cm_write_mod_reg(prcm_context.per_cm_sleepdep, OMAP3430_PER_MOD,
530 OMAP3430_CM_SLEEPDEP);
531 cm_write_mod_reg(prcm_context.usbhost_cm_sleepdep,
532 OMAP3430ES2_USBHOST_MOD, OMAP3430_CM_SLEEPDEP);
533 cm_write_mod_reg(prcm_context.cm_clkout_ctrl, OMAP3430_CCR_MOD,
534 OMAP3_CM_CLKOUT_CTRL_OFFSET);
535 prm_write_mod_reg(prcm_context.prm_clkout_ctrl, OMAP3430_CCR_MOD,
536 OMAP3_PRM_CLKOUT_CTRL_OFFSET);
537 prm_write_mod_reg(prcm_context.sgx_pm_wkdep, OMAP3430ES2_SGX_MOD,
538 PM_WKDEP);
539 prm_write_mod_reg(prcm_context.dss_pm_wkdep, OMAP3430_DSS_MOD,
540 PM_WKDEP);
541 prm_write_mod_reg(prcm_context.cam_pm_wkdep, OMAP3430_CAM_MOD,
542 PM_WKDEP);
543 prm_write_mod_reg(prcm_context.per_pm_wkdep, OMAP3430_PER_MOD,
544 PM_WKDEP);
545 prm_write_mod_reg(prcm_context.neon_pm_wkdep, OMAP3430_NEON_MOD,
546 PM_WKDEP);
547 prm_write_mod_reg(prcm_context.usbhost_pm_wkdep,
548 OMAP3430ES2_USBHOST_MOD, PM_WKDEP);
549 prm_write_mod_reg(prcm_context.core_pm_mpugrpsel1, CORE_MOD,
550 OMAP3430_PM_MPUGRPSEL1);
551 prm_write_mod_reg(prcm_context.iva2_pm_ivagrpsel1, OMAP3430_IVA2_MOD,
552 OMAP3430_PM_IVAGRPSEL1);
553 prm_write_mod_reg(prcm_context.core_pm_mpugrpsel3, CORE_MOD,
554 OMAP3430ES2_PM_MPUGRPSEL3);
555 prm_write_mod_reg(prcm_context.core_pm_ivagrpsel3, CORE_MOD,
556 OMAP3430ES2_PM_IVAGRPSEL3);
557 prm_write_mod_reg(prcm_context.wkup_pm_mpugrpsel, WKUP_MOD,
558 OMAP3430_PM_MPUGRPSEL);
559 prm_write_mod_reg(prcm_context.wkup_pm_ivagrpsel, WKUP_MOD,
560 OMAP3430_PM_IVAGRPSEL);
561 prm_write_mod_reg(prcm_context.per_pm_mpugrpsel, OMAP3430_PER_MOD,
562 OMAP3430_PM_MPUGRPSEL);
563 prm_write_mod_reg(prcm_context.per_pm_ivagrpsel, OMAP3430_PER_MOD,
564 OMAP3430_PM_IVAGRPSEL);
565 prm_write_mod_reg(prcm_context.wkup_pm_wken, WKUP_MOD, PM_WKEN);
566 return;
567}
568#endif