Merge branch 'pm-opp' of ssh://master.kernel.org/pub/scm/linux/kernel/git/khilman...
[pandora-kernel.git] / arch / arm / mach-omap2 / control.c
1 /*
2  * OMAP2/3 System Control Module register access
3  *
4  * Copyright (C) 2007 Texas Instruments, Inc.
5  * Copyright (C) 2007 Nokia Corporation
6  *
7  * Written by Paul Walmsley
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 #undef DEBUG
14
15 #include <linux/kernel.h>
16 #include <linux/io.h>
17
18 #include <plat/common.h>
19 #include <plat/sdrc.h>
20
21 #include "cm-regbits-34xx.h"
22 #include "prm-regbits-34xx.h"
23 #include "cm.h"
24 #include "prm.h"
25 #include "sdrc.h"
26 #include "pm.h"
27 #include "control.h"
28
29 static void __iomem *omap2_ctrl_base;
30 static void __iomem *omap4_ctrl_pad_base;
31
32 #if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM)
33 struct omap3_scratchpad {
34         u32 boot_config_ptr;
35         u32 public_restore_ptr;
36         u32 secure_ram_restore_ptr;
37         u32 sdrc_module_semaphore;
38         u32 prcm_block_offset;
39         u32 sdrc_block_offset;
40 };
41
42 struct omap3_scratchpad_prcm_block {
43         u32 prm_clksrc_ctrl;
44         u32 prm_clksel;
45         u32 cm_clksel_core;
46         u32 cm_clksel_wkup;
47         u32 cm_clken_pll;
48         u32 cm_autoidle_pll;
49         u32 cm_clksel1_pll;
50         u32 cm_clksel2_pll;
51         u32 cm_clksel3_pll;
52         u32 cm_clken_pll_mpu;
53         u32 cm_autoidle_pll_mpu;
54         u32 cm_clksel1_pll_mpu;
55         u32 cm_clksel2_pll_mpu;
56         u32 prcm_block_size;
57 };
58
59 struct omap3_scratchpad_sdrc_block {
60         u16 sysconfig;
61         u16 cs_cfg;
62         u16 sharing;
63         u16 err_type;
64         u32 dll_a_ctrl;
65         u32 dll_b_ctrl;
66         u32 power;
67         u32 cs_0;
68         u32 mcfg_0;
69         u16 mr_0;
70         u16 emr_1_0;
71         u16 emr_2_0;
72         u16 emr_3_0;
73         u32 actim_ctrla_0;
74         u32 actim_ctrlb_0;
75         u32 rfr_ctrl_0;
76         u32 cs_1;
77         u32 mcfg_1;
78         u16 mr_1;
79         u16 emr_1_1;
80         u16 emr_2_1;
81         u16 emr_3_1;
82         u32 actim_ctrla_1;
83         u32 actim_ctrlb_1;
84         u32 rfr_ctrl_1;
85         u16 dcdl_1_ctrl;
86         u16 dcdl_2_ctrl;
87         u32 flags;
88         u32 block_size;
89 };
90
91 void *omap3_secure_ram_storage;
92
93 /*
94  * This is used to store ARM registers in SDRAM before attempting
95  * an MPU OFF. The save and restore happens from the SRAM sleep code.
96  * The address is stored in scratchpad, so that it can be used
97  * during the restore path.
98  */
99 u32 omap3_arm_context[128];
100
101 struct omap3_control_regs {
102         u32 sysconfig;
103         u32 devconf0;
104         u32 mem_dftrw0;
105         u32 mem_dftrw1;
106         u32 msuspendmux_0;
107         u32 msuspendmux_1;
108         u32 msuspendmux_2;
109         u32 msuspendmux_3;
110         u32 msuspendmux_4;
111         u32 msuspendmux_5;
112         u32 sec_ctrl;
113         u32 devconf1;
114         u32 csirxfe;
115         u32 iva2_bootaddr;
116         u32 iva2_bootmod;
117         u32 debobs_0;
118         u32 debobs_1;
119         u32 debobs_2;
120         u32 debobs_3;
121         u32 debobs_4;
122         u32 debobs_5;
123         u32 debobs_6;
124         u32 debobs_7;
125         u32 debobs_8;
126         u32 prog_io0;
127         u32 prog_io1;
128         u32 dss_dpll_spreading;
129         u32 core_dpll_spreading;
130         u32 per_dpll_spreading;
131         u32 usbhost_dpll_spreading;
132         u32 pbias_lite;
133         u32 temp_sensor;
134         u32 sramldo4;
135         u32 sramldo5;
136         u32 csi;
137 };
138
139 static struct omap3_control_regs control_context;
140 #endif /* CONFIG_ARCH_OMAP3 && CONFIG_PM */
141
142 #define OMAP_CTRL_REGADDR(reg)          (omap2_ctrl_base + (reg))
143 #define OMAP4_CTRL_PAD_REGADDR(reg)     (omap4_ctrl_pad_base + (reg))
144
145 void __init omap2_set_globals_control(struct omap_globals *omap2_globals)
146 {
147         /* Static mapping, never released */
148         if (omap2_globals->ctrl) {
149                 omap2_ctrl_base = ioremap(omap2_globals->ctrl, SZ_4K);
150                 WARN_ON(!omap2_ctrl_base);
151         }
152
153         /* Static mapping, never released */
154         if (omap2_globals->ctrl_pad) {
155                 omap4_ctrl_pad_base = ioremap(omap2_globals->ctrl_pad, SZ_4K);
156                 WARN_ON(!omap4_ctrl_pad_base);
157         }
158 }
159
160 void __iomem *omap_ctrl_base_get(void)
161 {
162         return omap2_ctrl_base;
163 }
164
165 u8 omap_ctrl_readb(u16 offset)
166 {
167         return __raw_readb(OMAP_CTRL_REGADDR(offset));
168 }
169
170 u16 omap_ctrl_readw(u16 offset)
171 {
172         return __raw_readw(OMAP_CTRL_REGADDR(offset));
173 }
174
175 u32 omap_ctrl_readl(u16 offset)
176 {
177         return __raw_readl(OMAP_CTRL_REGADDR(offset));
178 }
179
180 void omap_ctrl_writeb(u8 val, u16 offset)
181 {
182         __raw_writeb(val, OMAP_CTRL_REGADDR(offset));
183 }
184
185 void omap_ctrl_writew(u16 val, u16 offset)
186 {
187         __raw_writew(val, OMAP_CTRL_REGADDR(offset));
188 }
189
190 void omap_ctrl_writel(u32 val, u16 offset)
191 {
192         __raw_writel(val, OMAP_CTRL_REGADDR(offset));
193 }
194
195 /*
196  * On OMAP4 control pad are not addressable from control
197  * core base. So the common omap_ctrl_read/write APIs breaks
198  * Hence export separate APIs to manage the omap4 pad control
199  * registers. This APIs will work only for OMAP4
200  */
201
202 u32 omap4_ctrl_pad_readl(u16 offset)
203 {
204         return __raw_readl(OMAP4_CTRL_PAD_REGADDR(offset));
205 }
206
207 void omap4_ctrl_pad_writel(u32 val, u16 offset)
208 {
209         __raw_writel(val, OMAP4_CTRL_PAD_REGADDR(offset));
210 }
211
212 #if defined(CONFIG_ARCH_OMAP3) && defined(CONFIG_PM)
213 /*
214  * Clears the scratchpad contents in case of cold boot-
215  * called during bootup
216  */
217 void omap3_clear_scratchpad_contents(void)
218 {
219         u32 max_offset = OMAP343X_SCRATCHPAD_ROM_OFFSET;
220         void __iomem *v_addr;
221         u32 offset = 0;
222         v_addr = OMAP2_L4_IO_ADDRESS(OMAP343X_SCRATCHPAD_ROM);
223         if (prm_read_mod_reg(OMAP3430_GR_MOD, OMAP3_PRM_RSTST_OFFSET) &
224             OMAP3430_GLOBAL_COLD_RST_MASK) {
225                 for ( ; offset <= max_offset; offset += 0x4)
226                         __raw_writel(0x0, (v_addr + offset));
227                 prm_set_mod_reg_bits(OMAP3430_GLOBAL_COLD_RST_MASK,
228                                      OMAP3430_GR_MOD,
229                                      OMAP3_PRM_RSTST_OFFSET);
230         }
231 }
232
233 /* Populate the scratchpad structure with restore structure */
234 void omap3_save_scratchpad_contents(void)
235 {
236         void  __iomem *scratchpad_address;
237         u32 arm_context_addr;
238         struct omap3_scratchpad scratchpad_contents;
239         struct omap3_scratchpad_prcm_block prcm_block_contents;
240         struct omap3_scratchpad_sdrc_block sdrc_block_contents;
241
242         /*
243          * Populate the Scratchpad contents
244          *
245          * The "get_*restore_pointer" functions are used to provide a
246          * physical restore address where the ROM code jumps while waking
247          * up from MPU OFF/OSWR state.
248          * The restore pointer is stored into the scratchpad.
249          */
250         scratchpad_contents.boot_config_ptr = 0x0;
251         if (cpu_is_omap3630())
252                 scratchpad_contents.public_restore_ptr =
253                         virt_to_phys(get_omap3630_restore_pointer());
254         else if (omap_rev() != OMAP3430_REV_ES3_0 &&
255                                         omap_rev() != OMAP3430_REV_ES3_1)
256                 scratchpad_contents.public_restore_ptr =
257                         virt_to_phys(get_restore_pointer());
258         else
259                 scratchpad_contents.public_restore_ptr =
260                         virt_to_phys(get_es3_restore_pointer());
261         if (omap_type() == OMAP2_DEVICE_TYPE_GP)
262                 scratchpad_contents.secure_ram_restore_ptr = 0x0;
263         else
264                 scratchpad_contents.secure_ram_restore_ptr =
265                         (u32) __pa(omap3_secure_ram_storage);
266         scratchpad_contents.sdrc_module_semaphore = 0x0;
267         scratchpad_contents.prcm_block_offset = 0x2C;
268         scratchpad_contents.sdrc_block_offset = 0x64;
269
270         /* Populate the PRCM block contents */
271         prcm_block_contents.prm_clksrc_ctrl = prm_read_mod_reg(OMAP3430_GR_MOD,
272                         OMAP3_PRM_CLKSRC_CTRL_OFFSET);
273         prcm_block_contents.prm_clksel = prm_read_mod_reg(OMAP3430_CCR_MOD,
274                         OMAP3_PRM_CLKSEL_OFFSET);
275         prcm_block_contents.cm_clksel_core =
276                         cm_read_mod_reg(CORE_MOD, CM_CLKSEL);
277         prcm_block_contents.cm_clksel_wkup =
278                         cm_read_mod_reg(WKUP_MOD, CM_CLKSEL);
279         prcm_block_contents.cm_clken_pll =
280                         cm_read_mod_reg(PLL_MOD, CM_CLKEN);
281         prcm_block_contents.cm_autoidle_pll =
282                         cm_read_mod_reg(PLL_MOD, OMAP3430_CM_AUTOIDLE_PLL);
283         prcm_block_contents.cm_clksel1_pll =
284                         cm_read_mod_reg(PLL_MOD, OMAP3430_CM_CLKSEL1_PLL);
285         prcm_block_contents.cm_clksel2_pll =
286                         cm_read_mod_reg(PLL_MOD, OMAP3430_CM_CLKSEL2_PLL);
287         prcm_block_contents.cm_clksel3_pll =
288                         cm_read_mod_reg(PLL_MOD, OMAP3430_CM_CLKSEL3);
289         prcm_block_contents.cm_clken_pll_mpu =
290                         cm_read_mod_reg(MPU_MOD, OMAP3430_CM_CLKEN_PLL);
291         prcm_block_contents.cm_autoidle_pll_mpu =
292                         cm_read_mod_reg(MPU_MOD, OMAP3430_CM_AUTOIDLE_PLL);
293         prcm_block_contents.cm_clksel1_pll_mpu =
294                         cm_read_mod_reg(MPU_MOD, OMAP3430_CM_CLKSEL1_PLL);
295         prcm_block_contents.cm_clksel2_pll_mpu =
296                         cm_read_mod_reg(MPU_MOD, OMAP3430_CM_CLKSEL2_PLL);
297         prcm_block_contents.prcm_block_size = 0x0;
298
299         /* Populate the SDRC block contents */
300         sdrc_block_contents.sysconfig =
301                         (sdrc_read_reg(SDRC_SYSCONFIG) & 0xFFFF);
302         sdrc_block_contents.cs_cfg =
303                         (sdrc_read_reg(SDRC_CS_CFG) & 0xFFFF);
304         sdrc_block_contents.sharing =
305                         (sdrc_read_reg(SDRC_SHARING) & 0xFFFF);
306         sdrc_block_contents.err_type =
307                         (sdrc_read_reg(SDRC_ERR_TYPE) & 0xFFFF);
308         sdrc_block_contents.dll_a_ctrl = sdrc_read_reg(SDRC_DLLA_CTRL);
309         sdrc_block_contents.dll_b_ctrl = 0x0;
310         /*
311          * Due to a OMAP3 errata (1.142), on EMU/HS devices SRDC should
312          * be programed to issue automatic self refresh on timeout
313          * of AUTO_CNT = 1 prior to any transition to OFF mode.
314          */
315         if ((omap_type() != OMAP2_DEVICE_TYPE_GP)
316                         && (omap_rev() >= OMAP3430_REV_ES3_0))
317                 sdrc_block_contents.power = (sdrc_read_reg(SDRC_POWER) &
318                                 ~(SDRC_POWER_AUTOCOUNT_MASK|
319                                 SDRC_POWER_CLKCTRL_MASK)) |
320                                 (1 << SDRC_POWER_AUTOCOUNT_SHIFT) |
321                                 SDRC_SELF_REFRESH_ON_AUTOCOUNT;
322         else
323                 sdrc_block_contents.power = sdrc_read_reg(SDRC_POWER);
324
325         sdrc_block_contents.cs_0 = 0x0;
326         sdrc_block_contents.mcfg_0 = sdrc_read_reg(SDRC_MCFG_0);
327         sdrc_block_contents.mr_0 = (sdrc_read_reg(SDRC_MR_0) & 0xFFFF);
328         sdrc_block_contents.emr_1_0 = 0x0;
329         sdrc_block_contents.emr_2_0 = 0x0;
330         sdrc_block_contents.emr_3_0 = 0x0;
331         sdrc_block_contents.actim_ctrla_0 =
332                         sdrc_read_reg(SDRC_ACTIM_CTRL_A_0);
333         sdrc_block_contents.actim_ctrlb_0 =
334                         sdrc_read_reg(SDRC_ACTIM_CTRL_B_0);
335         sdrc_block_contents.rfr_ctrl_0 =
336                         sdrc_read_reg(SDRC_RFR_CTRL_0);
337         sdrc_block_contents.cs_1 = 0x0;
338         sdrc_block_contents.mcfg_1 = sdrc_read_reg(SDRC_MCFG_1);
339         sdrc_block_contents.mr_1 = sdrc_read_reg(SDRC_MR_1) & 0xFFFF;
340         sdrc_block_contents.emr_1_1 = 0x0;
341         sdrc_block_contents.emr_2_1 = 0x0;
342         sdrc_block_contents.emr_3_1 = 0x0;
343         sdrc_block_contents.actim_ctrla_1 =
344                         sdrc_read_reg(SDRC_ACTIM_CTRL_A_1);
345         sdrc_block_contents.actim_ctrlb_1 =
346                         sdrc_read_reg(SDRC_ACTIM_CTRL_B_1);
347         sdrc_block_contents.rfr_ctrl_1 =
348                         sdrc_read_reg(SDRC_RFR_CTRL_1);
349         sdrc_block_contents.dcdl_1_ctrl = 0x0;
350         sdrc_block_contents.dcdl_2_ctrl = 0x0;
351         sdrc_block_contents.flags = 0x0;
352         sdrc_block_contents.block_size = 0x0;
353
354         arm_context_addr = virt_to_phys(omap3_arm_context);
355
356         /* Copy all the contents to the scratchpad location */
357         scratchpad_address = OMAP2_L4_IO_ADDRESS(OMAP343X_SCRATCHPAD);
358         memcpy_toio(scratchpad_address, &scratchpad_contents,
359                  sizeof(scratchpad_contents));
360         /* Scratchpad contents being 32 bits, a divide by 4 done here */
361         memcpy_toio(scratchpad_address +
362                 scratchpad_contents.prcm_block_offset,
363                 &prcm_block_contents, sizeof(prcm_block_contents));
364         memcpy_toio(scratchpad_address +
365                 scratchpad_contents.sdrc_block_offset,
366                 &sdrc_block_contents, sizeof(sdrc_block_contents));
367         /*
368          * Copies the address of the location in SDRAM where ARM
369          * registers get saved during a MPU OFF transition.
370          */
371         memcpy_toio(scratchpad_address +
372                 scratchpad_contents.sdrc_block_offset +
373                 sizeof(sdrc_block_contents), &arm_context_addr, 4);
374 }
375
376 void omap3_control_save_context(void)
377 {
378         control_context.sysconfig = omap_ctrl_readl(OMAP2_CONTROL_SYSCONFIG);
379         control_context.devconf0 = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
380         control_context.mem_dftrw0 =
381                         omap_ctrl_readl(OMAP343X_CONTROL_MEM_DFTRW0);
382         control_context.mem_dftrw1 =
383                         omap_ctrl_readl(OMAP343X_CONTROL_MEM_DFTRW1);
384         control_context.msuspendmux_0 =
385                         omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_0);
386         control_context.msuspendmux_1 =
387                         omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_1);
388         control_context.msuspendmux_2 =
389                         omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_2);
390         control_context.msuspendmux_3 =
391                         omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_3);
392         control_context.msuspendmux_4 =
393                         omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_4);
394         control_context.msuspendmux_5 =
395                         omap_ctrl_readl(OMAP2_CONTROL_MSUSPENDMUX_5);
396         control_context.sec_ctrl = omap_ctrl_readl(OMAP2_CONTROL_SEC_CTRL);
397         control_context.devconf1 = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
398         control_context.csirxfe = omap_ctrl_readl(OMAP343X_CONTROL_CSIRXFE);
399         control_context.iva2_bootaddr =
400                         omap_ctrl_readl(OMAP343X_CONTROL_IVA2_BOOTADDR);
401         control_context.iva2_bootmod =
402                         omap_ctrl_readl(OMAP343X_CONTROL_IVA2_BOOTMOD);
403         control_context.debobs_0 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(0));
404         control_context.debobs_1 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(1));
405         control_context.debobs_2 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(2));
406         control_context.debobs_3 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(3));
407         control_context.debobs_4 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(4));
408         control_context.debobs_5 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(5));
409         control_context.debobs_6 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(6));
410         control_context.debobs_7 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(7));
411         control_context.debobs_8 = omap_ctrl_readl(OMAP343X_CONTROL_DEBOBS(8));
412         control_context.prog_io0 = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO0);
413         control_context.prog_io1 = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO1);
414         control_context.dss_dpll_spreading =
415                         omap_ctrl_readl(OMAP343X_CONTROL_DSS_DPLL_SPREADING);
416         control_context.core_dpll_spreading =
417                         omap_ctrl_readl(OMAP343X_CONTROL_CORE_DPLL_SPREADING);
418         control_context.per_dpll_spreading =
419                         omap_ctrl_readl(OMAP343X_CONTROL_PER_DPLL_SPREADING);
420         control_context.usbhost_dpll_spreading =
421                 omap_ctrl_readl(OMAP343X_CONTROL_USBHOST_DPLL_SPREADING);
422         control_context.pbias_lite =
423                         omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
424         control_context.temp_sensor =
425                         omap_ctrl_readl(OMAP343X_CONTROL_TEMP_SENSOR);
426         control_context.sramldo4 = omap_ctrl_readl(OMAP343X_CONTROL_SRAMLDO4);
427         control_context.sramldo5 = omap_ctrl_readl(OMAP343X_CONTROL_SRAMLDO5);
428         control_context.csi = omap_ctrl_readl(OMAP343X_CONTROL_CSI);
429         return;
430 }
431
432 void omap3_control_restore_context(void)
433 {
434         omap_ctrl_writel(control_context.sysconfig, OMAP2_CONTROL_SYSCONFIG);
435         omap_ctrl_writel(control_context.devconf0, OMAP2_CONTROL_DEVCONF0);
436         omap_ctrl_writel(control_context.mem_dftrw0,
437                                         OMAP343X_CONTROL_MEM_DFTRW0);
438         omap_ctrl_writel(control_context.mem_dftrw1,
439                                         OMAP343X_CONTROL_MEM_DFTRW1);
440         omap_ctrl_writel(control_context.msuspendmux_0,
441                                         OMAP2_CONTROL_MSUSPENDMUX_0);
442         omap_ctrl_writel(control_context.msuspendmux_1,
443                                         OMAP2_CONTROL_MSUSPENDMUX_1);
444         omap_ctrl_writel(control_context.msuspendmux_2,
445                                         OMAP2_CONTROL_MSUSPENDMUX_2);
446         omap_ctrl_writel(control_context.msuspendmux_3,
447                                         OMAP2_CONTROL_MSUSPENDMUX_3);
448         omap_ctrl_writel(control_context.msuspendmux_4,
449                                         OMAP2_CONTROL_MSUSPENDMUX_4);
450         omap_ctrl_writel(control_context.msuspendmux_5,
451                                         OMAP2_CONTROL_MSUSPENDMUX_5);
452         omap_ctrl_writel(control_context.sec_ctrl, OMAP2_CONTROL_SEC_CTRL);
453         omap_ctrl_writel(control_context.devconf1, OMAP343X_CONTROL_DEVCONF1);
454         omap_ctrl_writel(control_context.csirxfe, OMAP343X_CONTROL_CSIRXFE);
455         omap_ctrl_writel(control_context.iva2_bootaddr,
456                                         OMAP343X_CONTROL_IVA2_BOOTADDR);
457         omap_ctrl_writel(control_context.iva2_bootmod,
458                                         OMAP343X_CONTROL_IVA2_BOOTMOD);
459         omap_ctrl_writel(control_context.debobs_0, OMAP343X_CONTROL_DEBOBS(0));
460         omap_ctrl_writel(control_context.debobs_1, OMAP343X_CONTROL_DEBOBS(1));
461         omap_ctrl_writel(control_context.debobs_2, OMAP343X_CONTROL_DEBOBS(2));
462         omap_ctrl_writel(control_context.debobs_3, OMAP343X_CONTROL_DEBOBS(3));
463         omap_ctrl_writel(control_context.debobs_4, OMAP343X_CONTROL_DEBOBS(4));
464         omap_ctrl_writel(control_context.debobs_5, OMAP343X_CONTROL_DEBOBS(5));
465         omap_ctrl_writel(control_context.debobs_6, OMAP343X_CONTROL_DEBOBS(6));
466         omap_ctrl_writel(control_context.debobs_7, OMAP343X_CONTROL_DEBOBS(7));
467         omap_ctrl_writel(control_context.debobs_8, OMAP343X_CONTROL_DEBOBS(8));
468         omap_ctrl_writel(control_context.prog_io0, OMAP343X_CONTROL_PROG_IO0);
469         omap_ctrl_writel(control_context.prog_io1, OMAP343X_CONTROL_PROG_IO1);
470         omap_ctrl_writel(control_context.dss_dpll_spreading,
471                                         OMAP343X_CONTROL_DSS_DPLL_SPREADING);
472         omap_ctrl_writel(control_context.core_dpll_spreading,
473                                         OMAP343X_CONTROL_CORE_DPLL_SPREADING);
474         omap_ctrl_writel(control_context.per_dpll_spreading,
475                                         OMAP343X_CONTROL_PER_DPLL_SPREADING);
476         omap_ctrl_writel(control_context.usbhost_dpll_spreading,
477                                 OMAP343X_CONTROL_USBHOST_DPLL_SPREADING);
478         omap_ctrl_writel(control_context.pbias_lite,
479                                         OMAP343X_CONTROL_PBIAS_LITE);
480         omap_ctrl_writel(control_context.temp_sensor,
481                                         OMAP343X_CONTROL_TEMP_SENSOR);
482         omap_ctrl_writel(control_context.sramldo4, OMAP343X_CONTROL_SRAMLDO4);
483         omap_ctrl_writel(control_context.sramldo5, OMAP343X_CONTROL_SRAMLDO5);
484         omap_ctrl_writel(control_context.csi, OMAP343X_CONTROL_CSI);
485         return;
486 }
487
488 void omap3630_ctrl_disable_rta(void)
489 {
490         if (!cpu_is_omap3630())
491                 return;
492         omap_ctrl_writel(OMAP36XX_RTA_DISABLE, OMAP36XX_CONTROL_MEM_RTA_CTRL);
493 }
494
495 #endif /* CONFIG_ARCH_OMAP3 && CONFIG_PM */