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gerrit-public.fairphone.software / kernel / msm-4.9 / 3e9d08ec0a68f6faf718d5a7e050fe5ca0ba004f / . / arch / arm / mach-omap2 / cm2xxx_3xxx.c
blob: 96954aa486714e42fc57f710d386356a99946b9c [file] [log] [blame]
Paul Walmsley71348bc2009-09-03 20:14:02 +0300[diff] [blame]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>
Paul Walmsley71348bc2009-09-03 20:14:02 +0300[diff] [blame]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
Paul Walmsley6f8b7ff2009-12-08 16:33:16 -0700[diff] [blame]21#include <plat/common.h>
22
Paul Walmsley71348bc2009-09-03 20:14:02 +0300[diff] [blame]23#include "cm.h"
Paul Walmsley59fb6592010-12-21 15:30:55 -0700[diff] [blame]24#include "cm2xxx_3xxx.h"
Paul Walmsley71348bc2009-09-03 20:14:02 +0300[diff] [blame]25#include "cm-regbits-24xx.h"
26#include "cm-regbits-34xx.h"
27
Paul Walmsley71348bc2009-09-03 20:14:02 +0300[diff] [blame]28static const u8 cm_idlest_offs[] = {
29 CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3
30};
31
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]32u32 omap2_cm_read_mod_reg(s16 module, u16 idx)
Paul Walmsley59fb6592010-12-21 15:30:55 -0700[diff] [blame]33{
34 return __raw_readl(cm_base + module + idx);
35}
36
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]37void omap2_cm_write_mod_reg(u32 val, s16 module, u16 idx)
Paul Walmsley59fb6592010-12-21 15:30:55 -0700[diff] [blame]38{
39 __raw_writel(val, cm_base + module + idx);
40}
41
42/* Read-modify-write a register in a CM module. Caller must lock */
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]43u32 omap2_cm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module, s16 idx)
Paul Walmsley59fb6592010-12-21 15:30:55 -0700[diff] [blame]44{
45 u32 v;
46
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]47 v = omap2_cm_read_mod_reg(module, idx);
Paul Walmsley59fb6592010-12-21 15:30:55 -0700[diff] [blame]48 v &= ~mask;
49 v |= bits;
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]50 omap2_cm_write_mod_reg(v, module, idx);
Paul Walmsley59fb6592010-12-21 15:30:55 -0700[diff] [blame]51
52 return v;
53}
54
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]55u32 omap2_cm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
Paul Walmsley59fb6592010-12-21 15:30:55 -0700[diff] [blame]56{
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]57 return omap2_cm_rmw_mod_reg_bits(bits, bits, module, idx);
Paul Walmsley59fb6592010-12-21 15:30:55 -0700[diff] [blame]58}
59
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]60u32 omap2_cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
Paul Walmsley59fb6592010-12-21 15:30:55 -0700[diff] [blame]61{
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]62 return omap2_cm_rmw_mod_reg_bits(bits, 0x0, module, idx);
Paul Walmsley59fb6592010-12-21 15:30:55 -0700[diff] [blame]63}
64
Paul Walmsley55ae3502010-12-21 21:05:15 -0700[diff] [blame]65/*
66 *
67 */
68
69static void _write_clktrctrl(u8 c, s16 module, u32 mask)
70{
71 u32 v;
72
73 v = omap2_cm_read_mod_reg(module, OMAP2_CM_CLKSTCTRL);
74 v &= ~mask;
75 v |= c << __ffs(mask);
76 omap2_cm_write_mod_reg(v, module, OMAP2_CM_CLKSTCTRL);
77}
78
79bool omap2_cm_is_clkdm_in_hwsup(s16 module, u32 mask)
80{
81 u32 v;
82 bool ret = 0;
83
84 BUG_ON(!cpu_is_omap24xx() && !cpu_is_omap34xx());
85
86 v = omap2_cm_read_mod_reg(module, OMAP2_CM_CLKSTCTRL);
87 v &= mask;
88 v >>= __ffs(mask);
89
90 if (cpu_is_omap24xx())
91 ret = (v == OMAP24XX_CLKSTCTRL_ENABLE_AUTO) ? 1 : 0;
92 else
93 ret = (v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) ? 1 : 0;
94
95 return ret;
96}
97
98void omap2xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask)
99{
100 _write_clktrctrl(OMAP24XX_CLKSTCTRL_ENABLE_AUTO, module, mask);
101}
102
103void omap2xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask)
104{
105 _write_clktrctrl(OMAP24XX_CLKSTCTRL_DISABLE_AUTO, module, mask);
106}
107
108void omap3xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask)
109{
110 _write_clktrctrl(OMAP34XX_CLKSTCTRL_ENABLE_AUTO, module, mask);
111}
112
113void omap3xxx_cm_clkdm_disable_hwsup(s16 module, u32 mask)
114{
115 _write_clktrctrl(OMAP34XX_CLKSTCTRL_DISABLE_AUTO, module, mask);
116}
117
118void omap3xxx_cm_clkdm_force_sleep(s16 module, u32 mask)
119{
120 _write_clktrctrl(OMAP34XX_CLKSTCTRL_FORCE_SLEEP, module, mask);
121}
122
123void omap3xxx_cm_clkdm_force_wakeup(s16 module, u32 mask)
124{
125 _write_clktrctrl(OMAP34XX_CLKSTCTRL_FORCE_WAKEUP, module, mask);
126}
127
128
129/*
130 *
131 */
132
Paul Walmsley71348bc2009-09-03 20:14:02 +0300[diff] [blame]133/**
134 * omap2_cm_wait_idlest_ready - wait for a module to leave idle or standby
135 * @prcm_mod: PRCM module offset
136 * @idlest_id: CM_IDLESTx register ID (i.e., x = 1, 2, 3)
137 * @idlest_shift: shift of the bit in the CM_IDLEST* register to check
138 *
139 * XXX document
140 */
141int omap2_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift)
142{
143 int ena = 0, i = 0;
144 u8 cm_idlest_reg;
145 u32 mask;
146
147 if (!idlest_id || (idlest_id > ARRAY_SIZE(cm_idlest_offs)))
148 return -EINVAL;
149
150 cm_idlest_reg = cm_idlest_offs[idlest_id - 1];
151
Kevin Hilman64056162010-07-26 16:34:28 -0600[diff] [blame]152 mask = 1 << idlest_shift;
153
Paul Walmsley71348bc2009-09-03 20:14:02 +0300[diff] [blame]154 if (cpu_is_omap24xx())
Kevin Hilman64056162010-07-26 16:34:28 -0600[diff] [blame]155 ena = mask;
Paul Walmsley71348bc2009-09-03 20:14:02 +0300[diff] [blame]156 else if (cpu_is_omap34xx())
157 ena = 0;
158 else
159 BUG();
160
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]161 omap_test_timeout(((omap2_cm_read_mod_reg(prcm_mod, cm_idlest_reg) & mask) == ena),
Paul Walmsley6f8b7ff2009-12-08 16:33:16 -0700[diff] [blame]162 MAX_MODULE_READY_TIME, i);
Paul Walmsley71348bc2009-09-03 20:14:02 +0300[diff] [blame]163
164 return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY;
165}
166
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]167/*
168 * Context save/restore code - OMAP3 only
169 */
170#ifdef CONFIG_ARCH_OMAP3
171struct omap3_cm_regs {
172 u32 iva2_cm_clksel1;
173 u32 iva2_cm_clksel2;
174 u32 cm_sysconfig;
175 u32 sgx_cm_clksel;
176 u32 dss_cm_clksel;
177 u32 cam_cm_clksel;
178 u32 per_cm_clksel;
179 u32 emu_cm_clksel;
180 u32 emu_cm_clkstctrl;
181 u32 pll_cm_autoidle2;
182 u32 pll_cm_clksel4;
183 u32 pll_cm_clksel5;
184 u32 pll_cm_clken2;
185 u32 cm_polctrl;
186 u32 iva2_cm_fclken;
187 u32 iva2_cm_clken_pll;
188 u32 core_cm_fclken1;
189 u32 core_cm_fclken3;
190 u32 sgx_cm_fclken;
191 u32 wkup_cm_fclken;
192 u32 dss_cm_fclken;
193 u32 cam_cm_fclken;
194 u32 per_cm_fclken;
195 u32 usbhost_cm_fclken;
196 u32 core_cm_iclken1;
197 u32 core_cm_iclken2;
198 u32 core_cm_iclken3;
199 u32 sgx_cm_iclken;
200 u32 wkup_cm_iclken;
201 u32 dss_cm_iclken;
202 u32 cam_cm_iclken;
203 u32 per_cm_iclken;
204 u32 usbhost_cm_iclken;
205 u32 iva2_cm_autoidle2;
206 u32 mpu_cm_autoidle2;
207 u32 iva2_cm_clkstctrl;
208 u32 mpu_cm_clkstctrl;
209 u32 core_cm_clkstctrl;
210 u32 sgx_cm_clkstctrl;
211 u32 dss_cm_clkstctrl;
212 u32 cam_cm_clkstctrl;
213 u32 per_cm_clkstctrl;
214 u32 neon_cm_clkstctrl;
215 u32 usbhost_cm_clkstctrl;
216 u32 core_cm_autoidle1;
217 u32 core_cm_autoidle2;
218 u32 core_cm_autoidle3;
219 u32 wkup_cm_autoidle;
220 u32 dss_cm_autoidle;
221 u32 cam_cm_autoidle;
222 u32 per_cm_autoidle;
223 u32 usbhost_cm_autoidle;
224 u32 sgx_cm_sleepdep;
225 u32 dss_cm_sleepdep;
226 u32 cam_cm_sleepdep;
227 u32 per_cm_sleepdep;
228 u32 usbhost_cm_sleepdep;
229 u32 cm_clkout_ctrl;
230};
231
232static struct omap3_cm_regs cm_context;
233
234void omap3_cm_save_context(void)
235{
236 cm_context.iva2_cm_clksel1 =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]237 omap2_cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSEL1);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]238 cm_context.iva2_cm_clksel2 =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]239 omap2_cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSEL2);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]240 cm_context.cm_sysconfig = __raw_readl(OMAP3430_CM_SYSCONFIG);
241 cm_context.sgx_cm_clksel =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]242 omap2_cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_CLKSEL);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]243 cm_context.dss_cm_clksel =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]244 omap2_cm_read_mod_reg(OMAP3430_DSS_MOD, CM_CLKSEL);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]245 cm_context.cam_cm_clksel =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]246 omap2_cm_read_mod_reg(OMAP3430_CAM_MOD, CM_CLKSEL);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]247 cm_context.per_cm_clksel =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]248 omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_CLKSEL);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]249 cm_context.emu_cm_clksel =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]250 omap2_cm_read_mod_reg(OMAP3430_EMU_MOD, CM_CLKSEL1);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]251 cm_context.emu_cm_clkstctrl =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]252 omap2_cm_read_mod_reg(OMAP3430_EMU_MOD, OMAP2_CM_CLKSTCTRL);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]253 cm_context.pll_cm_autoidle2 =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]254 omap2_cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE2);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]255 cm_context.pll_cm_clksel4 =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]256 omap2_cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL4);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]257 cm_context.pll_cm_clksel5 =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]258 omap2_cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL5);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]259 cm_context.pll_cm_clken2 =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]260 omap2_cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKEN2);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]261 cm_context.cm_polctrl = __raw_readl(OMAP3430_CM_POLCTRL);
262 cm_context.iva2_cm_fclken =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]263 omap2_cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_FCLKEN);
264 cm_context.iva2_cm_clken_pll =
265 omap2_cm_read_mod_reg(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKEN_PLL);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]266 cm_context.core_cm_fclken1 =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]267 omap2_cm_read_mod_reg(CORE_MOD, CM_FCLKEN1);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]268 cm_context.core_cm_fclken3 =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]269 omap2_cm_read_mod_reg(CORE_MOD, OMAP3430ES2_CM_FCLKEN3);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]270 cm_context.sgx_cm_fclken =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]271 omap2_cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_FCLKEN);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]272 cm_context.wkup_cm_fclken =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]273 omap2_cm_read_mod_reg(WKUP_MOD, CM_FCLKEN);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]274 cm_context.dss_cm_fclken =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]275 omap2_cm_read_mod_reg(OMAP3430_DSS_MOD, CM_FCLKEN);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]276 cm_context.cam_cm_fclken =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]277 omap2_cm_read_mod_reg(OMAP3430_CAM_MOD, CM_FCLKEN);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]278 cm_context.per_cm_fclken =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]279 omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_FCLKEN);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]280 cm_context.usbhost_cm_fclken =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]281 omap2_cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]282 cm_context.core_cm_iclken1 =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]283 omap2_cm_read_mod_reg(CORE_MOD, CM_ICLKEN1);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]284 cm_context.core_cm_iclken2 =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]285 omap2_cm_read_mod_reg(CORE_MOD, CM_ICLKEN2);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]286 cm_context.core_cm_iclken3 =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]287 omap2_cm_read_mod_reg(CORE_MOD, CM_ICLKEN3);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]288 cm_context.sgx_cm_iclken =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]289 omap2_cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_ICLKEN);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]290 cm_context.wkup_cm_iclken =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]291 omap2_cm_read_mod_reg(WKUP_MOD, CM_ICLKEN);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]292 cm_context.dss_cm_iclken =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]293 omap2_cm_read_mod_reg(OMAP3430_DSS_MOD, CM_ICLKEN);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]294 cm_context.cam_cm_iclken =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]295 omap2_cm_read_mod_reg(OMAP3430_CAM_MOD, CM_ICLKEN);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]296 cm_context.per_cm_iclken =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]297 omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_ICLKEN);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]298 cm_context.usbhost_cm_iclken =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]299 omap2_cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]300 cm_context.iva2_cm_autoidle2 =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]301 omap2_cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_AUTOIDLE2);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]302 cm_context.mpu_cm_autoidle2 =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]303 omap2_cm_read_mod_reg(MPU_MOD, CM_AUTOIDLE2);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]304 cm_context.iva2_cm_clkstctrl =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]305 omap2_cm_read_mod_reg(OMAP3430_IVA2_MOD, OMAP2_CM_CLKSTCTRL);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]306 cm_context.mpu_cm_clkstctrl =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]307 omap2_cm_read_mod_reg(MPU_MOD, OMAP2_CM_CLKSTCTRL);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]308 cm_context.core_cm_clkstctrl =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]309 omap2_cm_read_mod_reg(CORE_MOD, OMAP2_CM_CLKSTCTRL);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]310 cm_context.sgx_cm_clkstctrl =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]311 omap2_cm_read_mod_reg(OMAP3430ES2_SGX_MOD, OMAP2_CM_CLKSTCTRL);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]312 cm_context.dss_cm_clkstctrl =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]313 omap2_cm_read_mod_reg(OMAP3430_DSS_MOD, OMAP2_CM_CLKSTCTRL);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]314 cm_context.cam_cm_clkstctrl =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]315 omap2_cm_read_mod_reg(OMAP3430_CAM_MOD, OMAP2_CM_CLKSTCTRL);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]316 cm_context.per_cm_clkstctrl =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]317 omap2_cm_read_mod_reg(OMAP3430_PER_MOD, OMAP2_CM_CLKSTCTRL);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]318 cm_context.neon_cm_clkstctrl =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]319 omap2_cm_read_mod_reg(OMAP3430_NEON_MOD, OMAP2_CM_CLKSTCTRL);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]320 cm_context.usbhost_cm_clkstctrl =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]321 omap2_cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD,
322 OMAP2_CM_CLKSTCTRL);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]323 cm_context.core_cm_autoidle1 =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]324 omap2_cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE1);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]325 cm_context.core_cm_autoidle2 =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]326 omap2_cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE2);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]327 cm_context.core_cm_autoidle3 =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]328 omap2_cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE3);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]329 cm_context.wkup_cm_autoidle =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]330 omap2_cm_read_mod_reg(WKUP_MOD, CM_AUTOIDLE);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]331 cm_context.dss_cm_autoidle =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]332 omap2_cm_read_mod_reg(OMAP3430_DSS_MOD, CM_AUTOIDLE);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]333 cm_context.cam_cm_autoidle =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]334 omap2_cm_read_mod_reg(OMAP3430_CAM_MOD, CM_AUTOIDLE);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]335 cm_context.per_cm_autoidle =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]336 omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]337 cm_context.usbhost_cm_autoidle =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]338 omap2_cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_AUTOIDLE);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]339 cm_context.sgx_cm_sleepdep =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]340 omap2_cm_read_mod_reg(OMAP3430ES2_SGX_MOD,
341 OMAP3430_CM_SLEEPDEP);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]342 cm_context.dss_cm_sleepdep =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]343 omap2_cm_read_mod_reg(OMAP3430_DSS_MOD, OMAP3430_CM_SLEEPDEP);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]344 cm_context.cam_cm_sleepdep =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]345 omap2_cm_read_mod_reg(OMAP3430_CAM_MOD, OMAP3430_CM_SLEEPDEP);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]346 cm_context.per_cm_sleepdep =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]347 omap2_cm_read_mod_reg(OMAP3430_PER_MOD, OMAP3430_CM_SLEEPDEP);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]348 cm_context.usbhost_cm_sleepdep =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]349 omap2_cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD,
350 OMAP3430_CM_SLEEPDEP);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]351 cm_context.cm_clkout_ctrl =
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]352 omap2_cm_read_mod_reg(OMAP3430_CCR_MOD,
353 OMAP3_CM_CLKOUT_CTRL_OFFSET);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]354}
355
356void omap3_cm_restore_context(void)
357{
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]358 omap2_cm_write_mod_reg(cm_context.iva2_cm_clksel1, OMAP3430_IVA2_MOD,
359 CM_CLKSEL1);
360 omap2_cm_write_mod_reg(cm_context.iva2_cm_clksel2, OMAP3430_IVA2_MOD,
361 CM_CLKSEL2);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]362 __raw_writel(cm_context.cm_sysconfig, OMAP3430_CM_SYSCONFIG);
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]363 omap2_cm_write_mod_reg(cm_context.sgx_cm_clksel, OMAP3430ES2_SGX_MOD,
364 CM_CLKSEL);
365 omap2_cm_write_mod_reg(cm_context.dss_cm_clksel, OMAP3430_DSS_MOD,
366 CM_CLKSEL);
367 omap2_cm_write_mod_reg(cm_context.cam_cm_clksel, OMAP3430_CAM_MOD,
368 CM_CLKSEL);
369 omap2_cm_write_mod_reg(cm_context.per_cm_clksel, OMAP3430_PER_MOD,
370 CM_CLKSEL);
371 omap2_cm_write_mod_reg(cm_context.emu_cm_clksel, OMAP3430_EMU_MOD,
372 CM_CLKSEL1);
373 omap2_cm_write_mod_reg(cm_context.emu_cm_clkstctrl, OMAP3430_EMU_MOD,
374 OMAP2_CM_CLKSTCTRL);
375 omap2_cm_write_mod_reg(cm_context.pll_cm_autoidle2, PLL_MOD,
376 CM_AUTOIDLE2);
377 omap2_cm_write_mod_reg(cm_context.pll_cm_clksel4, PLL_MOD,
378 OMAP3430ES2_CM_CLKSEL4);
379 omap2_cm_write_mod_reg(cm_context.pll_cm_clksel5, PLL_MOD,
380 OMAP3430ES2_CM_CLKSEL5);
381 omap2_cm_write_mod_reg(cm_context.pll_cm_clken2, PLL_MOD,
382 OMAP3430ES2_CM_CLKEN2);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]383 __raw_writel(cm_context.cm_polctrl, OMAP3430_CM_POLCTRL);
Paul Walmsleyc4d7e582010-12-21 21:05:14 -0700[diff] [blame]384 omap2_cm_write_mod_reg(cm_context.iva2_cm_fclken, OMAP3430_IVA2_MOD,
385 CM_FCLKEN);
386 omap2_cm_write_mod_reg(cm_context.iva2_cm_clken_pll, OMAP3430_IVA2_MOD,
387 OMAP3430_CM_CLKEN_PLL);
388 omap2_cm_write_mod_reg(cm_context.core_cm_fclken1, CORE_MOD,
389 CM_FCLKEN1);
390 omap2_cm_write_mod_reg(cm_context.core_cm_fclken3, CORE_MOD,
391 OMAP3430ES2_CM_FCLKEN3);
392 omap2_cm_write_mod_reg(cm_context.sgx_cm_fclken, OMAP3430ES2_SGX_MOD,
393 CM_FCLKEN);
394 omap2_cm_write_mod_reg(cm_context.wkup_cm_fclken, WKUP_MOD, CM_FCLKEN);
395 omap2_cm_write_mod_reg(cm_context.dss_cm_fclken, OMAP3430_DSS_MOD,
396 CM_FCLKEN);
397 omap2_cm_write_mod_reg(cm_context.cam_cm_fclken, OMAP3430_CAM_MOD,
398 CM_FCLKEN);
399 omap2_cm_write_mod_reg(cm_context.per_cm_fclken, OMAP3430_PER_MOD,
400 CM_FCLKEN);
401 omap2_cm_write_mod_reg(cm_context.usbhost_cm_fclken,
402 OMAP3430ES2_USBHOST_MOD, CM_FCLKEN);
403 omap2_cm_write_mod_reg(cm_context.core_cm_iclken1, CORE_MOD,
404 CM_ICLKEN1);
405 omap2_cm_write_mod_reg(cm_context.core_cm_iclken2, CORE_MOD,
406 CM_ICLKEN2);
407 omap2_cm_write_mod_reg(cm_context.core_cm_iclken3, CORE_MOD,
408 CM_ICLKEN3);
409 omap2_cm_write_mod_reg(cm_context.sgx_cm_iclken, OMAP3430ES2_SGX_MOD,
410 CM_ICLKEN);
411 omap2_cm_write_mod_reg(cm_context.wkup_cm_iclken, WKUP_MOD, CM_ICLKEN);
412 omap2_cm_write_mod_reg(cm_context.dss_cm_iclken, OMAP3430_DSS_MOD,
413 CM_ICLKEN);
414 omap2_cm_write_mod_reg(cm_context.cam_cm_iclken, OMAP3430_CAM_MOD,
415 CM_ICLKEN);
416 omap2_cm_write_mod_reg(cm_context.per_cm_iclken, OMAP3430_PER_MOD,
417 CM_ICLKEN);
418 omap2_cm_write_mod_reg(cm_context.usbhost_cm_iclken,
419 OMAP3430ES2_USBHOST_MOD, CM_ICLKEN);
420 omap2_cm_write_mod_reg(cm_context.iva2_cm_autoidle2, OMAP3430_IVA2_MOD,
421 CM_AUTOIDLE2);
422 omap2_cm_write_mod_reg(cm_context.mpu_cm_autoidle2, MPU_MOD,
423 CM_AUTOIDLE2);
424 omap2_cm_write_mod_reg(cm_context.iva2_cm_clkstctrl, OMAP3430_IVA2_MOD,
425 OMAP2_CM_CLKSTCTRL);
426 omap2_cm_write_mod_reg(cm_context.mpu_cm_clkstctrl, MPU_MOD,
427 OMAP2_CM_CLKSTCTRL);
428 omap2_cm_write_mod_reg(cm_context.core_cm_clkstctrl, CORE_MOD,
429 OMAP2_CM_CLKSTCTRL);
430 omap2_cm_write_mod_reg(cm_context.sgx_cm_clkstctrl, OMAP3430ES2_SGX_MOD,
431 OMAP2_CM_CLKSTCTRL);
432 omap2_cm_write_mod_reg(cm_context.dss_cm_clkstctrl, OMAP3430_DSS_MOD,
433 OMAP2_CM_CLKSTCTRL);
434 omap2_cm_write_mod_reg(cm_context.cam_cm_clkstctrl, OMAP3430_CAM_MOD,
435 OMAP2_CM_CLKSTCTRL);
436 omap2_cm_write_mod_reg(cm_context.per_cm_clkstctrl, OMAP3430_PER_MOD,
437 OMAP2_CM_CLKSTCTRL);
438 omap2_cm_write_mod_reg(cm_context.neon_cm_clkstctrl, OMAP3430_NEON_MOD,
439 OMAP2_CM_CLKSTCTRL);
440 omap2_cm_write_mod_reg(cm_context.usbhost_cm_clkstctrl,
441 OMAP3430ES2_USBHOST_MOD, OMAP2_CM_CLKSTCTRL);
442 omap2_cm_write_mod_reg(cm_context.core_cm_autoidle1, CORE_MOD,
443 CM_AUTOIDLE1);
444 omap2_cm_write_mod_reg(cm_context.core_cm_autoidle2, CORE_MOD,
445 CM_AUTOIDLE2);
446 omap2_cm_write_mod_reg(cm_context.core_cm_autoidle3, CORE_MOD,
447 CM_AUTOIDLE3);
448 omap2_cm_write_mod_reg(cm_context.wkup_cm_autoidle, WKUP_MOD,
449 CM_AUTOIDLE);
450 omap2_cm_write_mod_reg(cm_context.dss_cm_autoidle, OMAP3430_DSS_MOD,
451 CM_AUTOIDLE);
452 omap2_cm_write_mod_reg(cm_context.cam_cm_autoidle, OMAP3430_CAM_MOD,
453 CM_AUTOIDLE);
454 omap2_cm_write_mod_reg(cm_context.per_cm_autoidle, OMAP3430_PER_MOD,
455 CM_AUTOIDLE);
456 omap2_cm_write_mod_reg(cm_context.usbhost_cm_autoidle,
457 OMAP3430ES2_USBHOST_MOD, CM_AUTOIDLE);
458 omap2_cm_write_mod_reg(cm_context.sgx_cm_sleepdep, OMAP3430ES2_SGX_MOD,
459 OMAP3430_CM_SLEEPDEP);
460 omap2_cm_write_mod_reg(cm_context.dss_cm_sleepdep, OMAP3430_DSS_MOD,
461 OMAP3430_CM_SLEEPDEP);
462 omap2_cm_write_mod_reg(cm_context.cam_cm_sleepdep, OMAP3430_CAM_MOD,
463 OMAP3430_CM_SLEEPDEP);
464 omap2_cm_write_mod_reg(cm_context.per_cm_sleepdep, OMAP3430_PER_MOD,
465 OMAP3430_CM_SLEEPDEP);
466 omap2_cm_write_mod_reg(cm_context.usbhost_cm_sleepdep,
467 OMAP3430ES2_USBHOST_MOD, OMAP3430_CM_SLEEPDEP);
468 omap2_cm_write_mod_reg(cm_context.cm_clkout_ctrl, OMAP3430_CCR_MOD,
469 OMAP3_CM_CLKOUT_CTRL_OFFSET);
Paul Walmsleyf0611a52010-12-21 15:30:56 -0700[diff] [blame]470}
471#endif