1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
/*
* OMAP2xxx/3xxx-common Power/Reset Management (PRM) register definitions
*
* Copyright (C) 2007-2009, 2011-2012 Texas Instruments, Inc.
* Copyright (C) 2008-2010 Nokia Corporation
* Paul Walmsley
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* The PRM hardware modules on the OMAP2/3 are quite similar to each
* other. The PRM on OMAP4 has a new register layout, and is handled
* in a separate file.
*/
#ifndef __ARCH_ARM_MACH_OMAP2_PRM2XXX_3XXX_H
#define __ARCH_ARM_MACH_OMAP2_PRM2XXX_3XXX_H
#include "prcm-common.h"
#include "prm.h"
/*
* Module specific PRM register offsets from PRM_BASE + domain offset
*
* Use prm_{read,write}_mod_reg() with these registers.
*
* With a few exceptions, these are the register names beginning with
* {PM,RM}_* on both OMAP2/3 SoC families.. (The exceptions are the
* IRQSTATUS and IRQENABLE bits.)
*/
/* Register offsets appearing on both OMAP2 and OMAP3 */
#define OMAP2_RM_RSTCTRL 0x0050
#define OMAP2_RM_RSTTIME 0x0054
#define OMAP2_RM_RSTST 0x0058
#define OMAP2_PM_PWSTCTRL 0x00e0
#define OMAP2_PM_PWSTST 0x00e4
#define PM_WKEN 0x00a0
#define PM_WKEN1 PM_WKEN
#define PM_WKST 0x00b0
#define PM_WKST1 PM_WKST
#define PM_WKDEP 0x00c8
#define PM_EVGENCTRL 0x00d4
#define PM_EVGENONTIM 0x00d8
#define PM_EVGENOFFTIM 0x00dc
#ifndef __ASSEMBLER__
#include <linux/io.h>
#include "powerdomain.h"
/* Power/reset management domain register get/set */
static inline u32 omap2_prm_read_mod_reg(s16 module, u16 idx)
{
return __raw_readl(prm_base + module + idx);
}
static inline void omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx)
{
__raw_writel(val, prm_base + module + idx);
}
/* Read-modify-write a register in a PRM module. Caller must lock */
static inline u32 omap2_prm_rmw_mod_reg_bits(u32 mask, u32 bits, s16 module,
s16 idx)
{
u32 v;
v = omap2_prm_read_mod_reg(module, idx);
v &= ~mask;
v |= bits;
omap2_prm_write_mod_reg(v, module, idx);
return v;
}
/* Read a PRM register, AND it, and shift the result down to bit 0 */
static inline u32 omap2_prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask)
{
u32 v;
v = omap2_prm_read_mod_reg(domain, idx);
v &= mask;
v >>= __ffs(mask);
return v;
}
static inline u32 omap2_prm_set_mod_reg_bits(u32 bits, s16 module, s16 idx)
{
return omap2_prm_rmw_mod_reg_bits(bits, bits, module, idx);
}
static inline u32 omap2_prm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx)
{
return omap2_prm_rmw_mod_reg_bits(bits, 0x0, module, idx);
}
/* These omap2_ PRM functions apply to both OMAP2 and 3 */
extern int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift);
extern int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift);
extern int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 st_shift);
extern int omap2_pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst);
extern int omap2_pwrdm_read_next_pwrst(struct powerdomain *pwrdm);
extern int omap2_pwrdm_read_pwrst(struct powerdomain *pwrdm);
extern int omap2_pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank,
u8 pwrst);
extern int omap2_pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank,
u8 pwrst);
extern int omap2_pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank);
extern int omap2_pwrdm_read_mem_retst(struct powerdomain *pwrdm, u8 bank);
extern int omap2_pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst);
extern int omap2_pwrdm_wait_transition(struct powerdomain *pwrdm);
extern int omap2_clkdm_add_wkdep(struct clockdomain *clkdm1,
struct clockdomain *clkdm2);
extern int omap2_clkdm_del_wkdep(struct clockdomain *clkdm1,
struct clockdomain *clkdm2);
extern int omap2_clkdm_read_wkdep(struct clockdomain *clkdm1,
struct clockdomain *clkdm2);
extern int omap2_clkdm_clear_all_wkdeps(struct clockdomain *clkdm);
#endif /* __ASSEMBLER */
/*
* Bits common to specific registers
*
* The 3430 register and bit names are generally used,
* since they tend to make more sense
*/
/* PM_EVGENONTIM_MPU */
/* Named PM_EVEGENONTIM_MPU on the 24XX */
#define OMAP_ONTIMEVAL_SHIFT 0
#define OMAP_ONTIMEVAL_MASK (0xffffffff << 0)
/* PM_EVGENOFFTIM_MPU */
/* Named PM_EVEGENOFFTIM_MPU on the 24XX */
#define OMAP_OFFTIMEVAL_SHIFT 0
#define OMAP_OFFTIMEVAL_MASK (0xffffffff << 0)
/* PRM_CLKSETUP and PRCM_VOLTSETUP */
/* Named PRCM_CLKSSETUP on the 24XX */
#define OMAP_SETUP_TIME_SHIFT 0
#define OMAP_SETUP_TIME_MASK (0xffff << 0)
/* PRM_CLKSRC_CTRL */
/* Named PRCM_CLKSRC_CTRL on the 24XX */
#define OMAP_SYSCLKDIV_SHIFT 6
#define OMAP_SYSCLKDIV_MASK (0x3 << 6)
#define OMAP_SYSCLKDIV_WIDTH 2
#define OMAP_AUTOEXTCLKMODE_SHIFT 3
#define OMAP_AUTOEXTCLKMODE_MASK (0x3 << 3)
#define OMAP_SYSCLKSEL_SHIFT 0
#define OMAP_SYSCLKSEL_MASK (0x3 << 0)
/* PM_EVGENCTRL_MPU */
#define OMAP_OFFLOADMODE_SHIFT 3
#define OMAP_OFFLOADMODE_MASK (0x3 << 3)
#define OMAP_ONLOADMODE_SHIFT 1
#define OMAP_ONLOADMODE_MASK (0x3 << 1)
#define OMAP_ENABLE_MASK (1 << 0)
/* PRM_RSTTIME */
/* Named RM_RSTTIME_WKUP on the 24xx */
#define OMAP_RSTTIME2_SHIFT 8
#define OMAP_RSTTIME2_MASK (0x1f << 8)
#define OMAP_RSTTIME1_SHIFT 0
#define OMAP_RSTTIME1_MASK (0xff << 0)
/* PRM_RSTCTRL */
/* Named RM_RSTCTRL_WKUP on the 24xx */
/* 2420 calls RST_DPLL3 'RST_DPLL' */
#define OMAP_RST_DPLL3_MASK (1 << 2)
#define OMAP_RST_GS_MASK (1 << 1)
/*
* Bits common to module-shared registers
*
* Not all registers of a particular type support all of these bits -
* check TRM if you are unsure
*/
/*
* 24XX: RM_RSTST_MPU and RM_RSTST_DSP - on 24XX, 'COREDOMAINWKUP_RST' is
* called 'COREWKUP_RST'
*
* 3430: RM_RSTST_IVA2, RM_RSTST_MPU, RM_RSTST_GFX, RM_RSTST_DSS,
* RM_RSTST_CAM, RM_RSTST_PER, RM_RSTST_NEON
*/
#define OMAP_COREDOMAINWKUP_RST_MASK (1 << 3)
/*
* 24XX: RM_RSTST_MPU, RM_RSTST_GFX, RM_RSTST_DSP
*
* 2430: RM_RSTST_MDM
*
* 3430: RM_RSTST_CORE, RM_RSTST_EMU
*/
#define OMAP_DOMAINWKUP_RST_MASK (1 << 2)
/*
* 24XX: RM_RSTST_MPU, RM_RSTST_WKUP, RM_RSTST_DSP
* On 24XX, 'GLOBALWARM_RST' is called 'GLOBALWMPU_RST'.
*
* 2430: RM_RSTST_MDM
*
* 3430: RM_RSTST_CORE, RM_RSTST_EMU
*/
#define OMAP_GLOBALWARM_RST_SHIFT 1
#define OMAP_GLOBALWARM_RST_MASK (1 << 1)
#define OMAP_GLOBALCOLD_RST_SHIFT 0
#define OMAP_GLOBALCOLD_RST_MASK (1 << 0)
/*
* 24XX: PM_WKDEP_GFX, PM_WKDEP_MPU, PM_WKDEP_CORE, PM_WKDEP_DSP
* 2420 TRM sometimes uses "EN_WAKEUP" instead of "EN_WKUP"
*
* 2430: PM_WKDEP_MDM
*
* 3430: PM_WKDEP_IVA2, PM_WKDEP_GFX, PM_WKDEP_DSS, PM_WKDEP_CAM,
* PM_WKDEP_PER
*/
#define OMAP_EN_WKUP_SHIFT 4
#define OMAP_EN_WKUP_MASK (1 << 4)
/*
* 24XX: PM_PWSTCTRL_MPU, PM_PWSTCTRL_CORE, PM_PWSTCTRL_GFX,
* PM_PWSTCTRL_DSP
*
* 2430: PM_PWSTCTRL_MDM
*
* 3430: PM_PWSTCTRL_IVA2, PM_PWSTCTRL_CORE, PM_PWSTCTRL_GFX,
* PM_PWSTCTRL_DSS, PM_PWSTCTRL_CAM, PM_PWSTCTRL_PER,
* PM_PWSTCTRL_NEON
*/
#define OMAP_LOGICRETSTATE_MASK (1 << 2)
#endif
|
