1. 根目录:
2. arch
3. arm
4. mach-omap1
5. pm.h

/*
 * arch/arm/mach-omap1/pm.h
 *
 * Header file for OMAP1 Power Management Routines
 *
 * Author: MontaVista Software, Inc.
 *	   support@mvista.com
 *
 * Copyright 2002 MontaVista Software Inc.
 *
 * Cleanup 2004 for Linux 2.6 by Dirk Behme <dirk.behme@de.bosch.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef __ARCH_ARM_MACH_OMAP1_PM_H
#define __ARCH_ARM_MACH_OMAP1_PM_H

/*
 * ----------------------------------------------------------------------------
 * Register and offset definitions to be used in PM assembler code
 * ----------------------------------------------------------------------------
 */
#define CLKGEN_REG_ASM_BASE		OMAP1_IO_ADDRESS(0xfffece00)
#define ARM_IDLECT1_ASM_OFFSET		0x04
#define ARM_IDLECT2_ASM_OFFSET		0x08

#define TCMIF_ASM_BASE			OMAP1_IO_ADDRESS(0xfffecc00)
#define EMIFS_CONFIG_ASM_OFFSET		0x0c
#define EMIFF_SDRAM_CONFIG_ASM_OFFSET	0x20

/*
 * ----------------------------------------------------------------------------
 * Power management bitmasks
 * ----------------------------------------------------------------------------
 */
#define IDLE_WAIT_CYCLES		0x00000fff
#define PERIPHERAL_ENABLE		0x2

#define SELF_REFRESH_MODE		0x0c000001
#define IDLE_EMIFS_REQUEST		0xc
#define MODEM_32K_EN			0x1
#define PER_EN				0x1

#define CPU_SUSPEND_SIZE		200
#define ULPD_LOW_PWR_EN			0x0001
#define ULPD_DEEP_SLEEP_TRANSITION_EN	0x0010
#define ULPD_SETUP_ANALOG_CELL_3_VAL	0
#define ULPD_POWER_CTRL_REG_VAL		0x0219

#define DSP_IDLE_DELAY			10
#define DSP_IDLE			0x0040
#define DSP_RST				0x0004
#define DSP_ENABLE			0x0002
#define SUFFICIENT_DSP_RESET_TIME	1000
#define DEFAULT_MPUI_CONFIG		0x05cf
#define ENABLE_XORCLK			0x2
#define DSP_CLOCK_ENABLE		0x2000
#define DSP_IDLE_MODE			0x2
#define TC_IDLE_REQUEST			(0x0000000c)

#define IRQ_LEVEL2			(1<<0)
#define IRQ_KEYBOARD			(1<<1)
#define IRQ_UART2			(1<<15)

#define PDE_BIT				0x08
#define PWD_EN_BIT			0x04
#define EN_PERCK_BIT			0x04

#define OMAP1510_DEEP_SLEEP_REQUEST	0x0ec7
#define OMAP1510_BIG_SLEEP_REQUEST	0x0cc5
#define OMAP1510_IDLE_LOOP_REQUEST	0x0c00
#define OMAP1510_IDLE_CLOCK_DOMAINS	0x2

/* Both big sleep and deep sleep use same values. Difference is in ULPD. */
#define OMAP1610_IDLECT1_SLEEP_VAL	0x13c7
#define OMAP1610_IDLECT2_SLEEP_VAL	0x09c7
#define OMAP1610_IDLECT3_VAL		0x3f
#define OMAP1610_IDLECT3_SLEEP_ORMASK	0x2c
#define OMAP1610_IDLECT3		0xfffece24
#define OMAP1610_IDLE_LOOP_REQUEST	0x0400

#define OMAP7XX_IDLECT1_SLEEP_VAL	0x16c7
#define OMAP7XX_IDLECT2_SLEEP_VAL	0x09c7
#define OMAP7XX_IDLECT3_VAL		0x3f
#define OMAP7XX_IDLECT3		0xfffece24
#define OMAP7XX_IDLE_LOOP_REQUEST	0x0C00

#if     !defined(CONFIG_ARCH_OMAP730) && \
	!defined(CONFIG_ARCH_OMAP850) && \
	!defined(CONFIG_ARCH_OMAP15XX) && \
	!defined(CONFIG_ARCH_OMAP16XX)
#warning "Power management for this processor not implemented yet"
#endif

#ifndef __ASSEMBLER__

#include <linux/clk.h>

extern struct kset power_subsys;

extern void prevent_idle_sleep(void);
extern void allow_idle_sleep(void);

extern void omap1_pm_idle(void);
extern void omap1_pm_suspend(void);

extern void omap7xx_cpu_suspend(unsigned long, unsigned long);
extern void omap1510_cpu_suspend(unsigned long, unsigned long);
extern void omap1610_cpu_suspend(unsigned long, unsigned long);
extern void omap7xx_idle_loop_suspend(void);
extern void omap1510_idle_loop_suspend(void);
extern void omap1610_idle_loop_suspend(void);

extern unsigned int omap7xx_cpu_suspend_sz;
extern unsigned int omap1510_cpu_suspend_sz;
extern unsigned int omap1610_cpu_suspend_sz;
extern unsigned int omap7xx_idle_loop_suspend_sz;
extern unsigned int omap1510_idle_loop_suspend_sz;
extern unsigned int omap1610_idle_loop_suspend_sz;

#ifdef CONFIG_OMAP_SERIAL_WAKE
extern void omap_serial_wake_trigger(int enable);
#else
#define omap_serial_wakeup_init()	{}
#define omap_serial_wake_trigger(x)	{}
#endif	/* CONFIG_OMAP_SERIAL_WAKE */

#define ARM_SAVE(x) arm_sleep_save[ARM_SLEEP_SAVE_##x] = omap_readl(x)
#define ARM_RESTORE(x) omap_writel((arm_sleep_save[ARM_SLEEP_SAVE_##x]), (x))
#define ARM_SHOW(x) arm_sleep_save[ARM_SLEEP_SAVE_##x]

#define DSP_SAVE(x) dsp_sleep_save[DSP_SLEEP_SAVE_##x] = __raw_readw(x)
#define DSP_RESTORE(x) __raw_writew((dsp_sleep_save[DSP_SLEEP_SAVE_##x]), (x))
#define DSP_SHOW(x) dsp_sleep_save[DSP_SLEEP_SAVE_##x]

#define ULPD_SAVE(x) ulpd_sleep_save[ULPD_SLEEP_SAVE_##x] = omap_readw(x)
#define ULPD_RESTORE(x) omap_writew((ulpd_sleep_save[ULPD_SLEEP_SAVE_##x]), (x))
#define ULPD_SHOW(x) ulpd_sleep_save[ULPD_SLEEP_SAVE_##x]

#define MPUI7XX_SAVE(x) mpui7xx_sleep_save[MPUI7XX_SLEEP_SAVE_##x] = omap_readl(x)
#define MPUI7XX_RESTORE(x) omap_writel((mpui7xx_sleep_save[MPUI7XX_SLEEP_SAVE_##x]), (x))
#define MPUI7XX_SHOW(x) mpui7xx_sleep_save[MPUI7XX_SLEEP_SAVE_##x]

#define MPUI1510_SAVE(x) mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x] = omap_readl(x)
#define MPUI1510_RESTORE(x) omap_writel((mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x]), (x))
#define MPUI1510_SHOW(x) mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x]

#define MPUI1610_SAVE(x) mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x] = omap_readl(x)
#define MPUI1610_RESTORE(x) omap_writel((mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x]), (x))
#define MPUI1610_SHOW(x) mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x]

/*
 * List of global OMAP registers to preserve.
 * More ones like CP and general purpose register values are preserved
 * with the stack pointer in sleep.S.
 */

enum arm_save_state {
	ARM_SLEEP_SAVE_START = 0,
	/*
	 * MPU control registers 32 bits
	 */
	ARM_SLEEP_SAVE_ARM_CKCTL,
	ARM_SLEEP_SAVE_ARM_IDLECT1,
	ARM_SLEEP_SAVE_ARM_IDLECT2,
	ARM_SLEEP_SAVE_ARM_IDLECT3,
	ARM_SLEEP_SAVE_ARM_EWUPCT,
	ARM_SLEEP_SAVE_ARM_RSTCT1,
	ARM_SLEEP_SAVE_ARM_RSTCT2,
	ARM_SLEEP_SAVE_ARM_SYSST,
	ARM_SLEEP_SAVE_SIZE
};

enum dsp_save_state {
	DSP_SLEEP_SAVE_START = 0,
	/*
	 * DSP registers 16 bits
	 */
	DSP_SLEEP_SAVE_DSP_IDLECT2,
	DSP_SLEEP_SAVE_SIZE
};

enum ulpd_save_state {
	ULPD_SLEEP_SAVE_START = 0,
	/*
	 * ULPD registers 16 bits
	 */
	ULPD_SLEEP_SAVE_ULPD_IT_STATUS,
	ULPD_SLEEP_SAVE_ULPD_CLOCK_CTRL,
	ULPD_SLEEP_SAVE_ULPD_SOFT_REQ,
	ULPD_SLEEP_SAVE_ULPD_STATUS_REQ,
	ULPD_SLEEP_SAVE_ULPD_DPLL_CTRL,
	ULPD_SLEEP_SAVE_ULPD_POWER_CTRL,
	ULPD_SLEEP_SAVE_SIZE
};

enum mpui1510_save_state {
	MPUI1510_SLEEP_SAVE_START = 0,
	/*
	 * MPUI registers 32 bits
	 */
	MPUI1510_SLEEP_SAVE_MPUI_CTRL,
	MPUI1510_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG,
	MPUI1510_SLEEP_SAVE_MPUI_DSP_API_CONFIG,
	MPUI1510_SLEEP_SAVE_MPUI_DSP_STATUS,
	MPUI1510_SLEEP_SAVE_EMIFF_SDRAM_CONFIG,
	MPUI1510_SLEEP_SAVE_EMIFS_CONFIG,
	MPUI1510_SLEEP_SAVE_OMAP_IH1_MIR,
	MPUI1510_SLEEP_SAVE_OMAP_IH2_MIR,
#if defined(CONFIG_ARCH_OMAP15XX)
	MPUI1510_SLEEP_SAVE_SIZE
#else
	MPUI1510_SLEEP_SAVE_SIZE = 0
#endif
};

enum mpui7xx_save_state {
	MPUI7XX_SLEEP_SAVE_START = 0,
	/*
	 * MPUI registers 32 bits
	 */
	MPUI7XX_SLEEP_SAVE_MPUI_CTRL,
	MPUI7XX_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG,
	MPUI7XX_SLEEP_SAVE_MPUI_DSP_API_CONFIG,
	MPUI7XX_SLEEP_SAVE_MPUI_DSP_STATUS,
	MPUI7XX_SLEEP_SAVE_EMIFF_SDRAM_CONFIG,
	MPUI7XX_SLEEP_SAVE_EMIFS_CONFIG,
	MPUI7XX_SLEEP_SAVE_OMAP_IH1_MIR,
	MPUI7XX_SLEEP_SAVE_OMAP_IH2_0_MIR,
	MPUI7XX_SLEEP_SAVE_OMAP_IH2_1_MIR,
#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
	MPUI7XX_SLEEP_SAVE_SIZE
#else
	MPUI7XX_SLEEP_SAVE_SIZE = 0
#endif
};

enum mpui1610_save_state {
	MPUI1610_SLEEP_SAVE_START = 0,
	/*
	 * MPUI registers 32 bits
	 */
	MPUI1610_SLEEP_SAVE_MPUI_CTRL,
	MPUI1610_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG,
	MPUI1610_SLEEP_SAVE_MPUI_DSP_API_CONFIG,
	MPUI1610_SLEEP_SAVE_MPUI_DSP_STATUS,
	MPUI1610_SLEEP_SAVE_EMIFF_SDRAM_CONFIG,
	MPUI1610_SLEEP_SAVE_EMIFS_CONFIG,
	MPUI1610_SLEEP_SAVE_OMAP_IH1_MIR,
	MPUI1610_SLEEP_SAVE_OMAP_IH2_0_MIR,
	MPUI1610_SLEEP_SAVE_OMAP_IH2_1_MIR,
	MPUI1610_SLEEP_SAVE_OMAP_IH2_2_MIR,
	MPUI1610_SLEEP_SAVE_OMAP_IH2_3_MIR,
#if defined(CONFIG_ARCH_OMAP16XX)
	MPUI1610_SLEEP_SAVE_SIZE
#else
	MPUI1610_SLEEP_SAVE_SIZE = 0
#endif
};

#endif /* ASSEMBLER */
#endif /* __ASM_ARCH_OMAP_PM_H */
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
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281