Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 1 | /* |
Kevin Hilman | c912f7e | 2009-05-15 11:29:28 -0700 | [diff] [blame] | 2 | * arch/arm/mach-omap1/pm.h |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 3 | * |
Kevin Hilman | c912f7e | 2009-05-15 11:29:28 -0700 | [diff] [blame] | 4 | * Header file for OMAP1 Power Management Routines |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 5 | * |
| 6 | * Author: MontaVista Software, Inc. |
| 7 | * support@mvista.com |
| 8 | * |
| 9 | * Copyright 2002 MontaVista Software Inc. |
| 10 | * |
| 11 | * Cleanup 2004 for Linux 2.6 by Dirk Behme <dirk.behme@de.bosch.com> |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or modify it |
| 14 | * under the terms of the GNU General Public License as published by the |
| 15 | * Free Software Foundation; either version 2 of the License, or (at your |
| 16 | * option) any later version. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 19 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 20 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
| 21 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 24 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 25 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | * |
| 29 | * You should have received a copy of the GNU General Public License along |
| 30 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 31 | * 675 Mass Ave, Cambridge, MA 02139, USA. |
| 32 | */ |
| 33 | |
Kevin Hilman | c912f7e | 2009-05-15 11:29:28 -0700 | [diff] [blame] | 34 | #ifndef __ARCH_ARM_MACH_OMAP1_PM_H |
| 35 | #define __ARCH_ARM_MACH_OMAP1_PM_H |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 36 | |
| 37 | /* |
| 38 | * ---------------------------------------------------------------------------- |
| 39 | * Register and offset definitions to be used in PM assembler code |
| 40 | * ---------------------------------------------------------------------------- |
| 41 | */ |
Tony Lindgren | 9411326 | 2009-08-28 10:50:33 -0700 | [diff] [blame] | 42 | #define CLKGEN_REG_ASM_BASE OMAP1_IO_ADDRESS(0xfffece00) |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 43 | #define ARM_IDLECT1_ASM_OFFSET 0x04 |
| 44 | #define ARM_IDLECT2_ASM_OFFSET 0x08 |
| 45 | |
Tony Lindgren | 9411326 | 2009-08-28 10:50:33 -0700 | [diff] [blame] | 46 | #define TCMIF_ASM_BASE OMAP1_IO_ADDRESS(0xfffecc00) |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 47 | #define EMIFS_CONFIG_ASM_OFFSET 0x0c |
| 48 | #define EMIFF_SDRAM_CONFIG_ASM_OFFSET 0x20 |
| 49 | |
| 50 | /* |
| 51 | * ---------------------------------------------------------------------------- |
| 52 | * Power management bitmasks |
| 53 | * ---------------------------------------------------------------------------- |
| 54 | */ |
| 55 | #define IDLE_WAIT_CYCLES 0x00000fff |
| 56 | #define PERIPHERAL_ENABLE 0x2 |
| 57 | |
| 58 | #define SELF_REFRESH_MODE 0x0c000001 |
| 59 | #define IDLE_EMIFS_REQUEST 0xc |
| 60 | #define MODEM_32K_EN 0x1 |
| 61 | #define PER_EN 0x1 |
| 62 | |
| 63 | #define CPU_SUSPEND_SIZE 200 |
| 64 | #define ULPD_LOW_PWR_EN 0x0001 |
| 65 | #define ULPD_DEEP_SLEEP_TRANSITION_EN 0x0010 |
| 66 | #define ULPD_SETUP_ANALOG_CELL_3_VAL 0 |
| 67 | #define ULPD_POWER_CTRL_REG_VAL 0x0219 |
| 68 | |
| 69 | #define DSP_IDLE_DELAY 10 |
| 70 | #define DSP_IDLE 0x0040 |
| 71 | #define DSP_RST 0x0004 |
| 72 | #define DSP_ENABLE 0x0002 |
| 73 | #define SUFFICIENT_DSP_RESET_TIME 1000 |
| 74 | #define DEFAULT_MPUI_CONFIG 0x05cf |
| 75 | #define ENABLE_XORCLK 0x2 |
| 76 | #define DSP_CLOCK_ENABLE 0x2000 |
| 77 | #define DSP_IDLE_MODE 0x2 |
| 78 | #define TC_IDLE_REQUEST (0x0000000c) |
| 79 | |
| 80 | #define IRQ_LEVEL2 (1<<0) |
| 81 | #define IRQ_KEYBOARD (1<<1) |
| 82 | #define IRQ_UART2 (1<<15) |
| 83 | |
| 84 | #define PDE_BIT 0x08 |
| 85 | #define PWD_EN_BIT 0x04 |
| 86 | #define EN_PERCK_BIT 0x04 |
| 87 | |
| 88 | #define OMAP1510_DEEP_SLEEP_REQUEST 0x0ec7 |
| 89 | #define OMAP1510_BIG_SLEEP_REQUEST 0x0cc5 |
| 90 | #define OMAP1510_IDLE_LOOP_REQUEST 0x0c00 |
| 91 | #define OMAP1510_IDLE_CLOCK_DOMAINS 0x2 |
| 92 | |
| 93 | /* Both big sleep and deep sleep use same values. Difference is in ULPD. */ |
| 94 | #define OMAP1610_IDLECT1_SLEEP_VAL 0x13c7 |
| 95 | #define OMAP1610_IDLECT2_SLEEP_VAL 0x09c7 |
| 96 | #define OMAP1610_IDLECT3_VAL 0x3f |
| 97 | #define OMAP1610_IDLECT3_SLEEP_ORMASK 0x2c |
| 98 | #define OMAP1610_IDLECT3 0xfffece24 |
| 99 | #define OMAP1610_IDLE_LOOP_REQUEST 0x0400 |
| 100 | |
Alistair Buxton | 7c00692 | 2009-09-22 10:02:58 +0100 | [diff] [blame] | 101 | #define OMAP7XX_IDLECT1_SLEEP_VAL 0x16c7 |
| 102 | #define OMAP7XX_IDLECT2_SLEEP_VAL 0x09c7 |
| 103 | #define OMAP7XX_IDLECT3_VAL 0x3f |
| 104 | #define OMAP7XX_IDLECT3 0xfffece24 |
| 105 | #define OMAP7XX_IDLE_LOOP_REQUEST 0x0C00 |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 106 | |
| 107 | #if !defined(CONFIG_ARCH_OMAP730) && \ |
Alistair Buxton | 1f73b4d | 2009-09-18 20:53:04 +0100 | [diff] [blame^] | 108 | !defined(CONFIG_ARCH_OMAP850) && \ |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 109 | !defined(CONFIG_ARCH_OMAP15XX) && \ |
Kevin Hilman | c912f7e | 2009-05-15 11:29:28 -0700 | [diff] [blame] | 110 | !defined(CONFIG_ARCH_OMAP16XX) |
David Brownell | 87d99d6 | 2009-03-04 10:07:40 -0800 | [diff] [blame] | 111 | #warning "Power management for this processor not implemented yet" |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 112 | #endif |
| 113 | |
| 114 | #ifndef __ASSEMBLER__ |
| 115 | |
| 116 | #include <linux/clk.h> |
| 117 | |
Kevin Hilman | c912f7e | 2009-05-15 11:29:28 -0700 | [diff] [blame] | 118 | extern struct kset power_subsys; |
| 119 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 120 | extern void prevent_idle_sleep(void); |
| 121 | extern void allow_idle_sleep(void); |
| 122 | |
Kevin Hilman | c912f7e | 2009-05-15 11:29:28 -0700 | [diff] [blame] | 123 | extern void omap1_pm_idle(void); |
| 124 | extern void omap1_pm_suspend(void); |
| 125 | |
Alistair Buxton | 7c00692 | 2009-09-22 10:02:58 +0100 | [diff] [blame] | 126 | extern void omap7xx_cpu_suspend(unsigned short, unsigned short); |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 127 | extern void omap1510_cpu_suspend(unsigned short, unsigned short); |
| 128 | extern void omap1610_cpu_suspend(unsigned short, unsigned short); |
Alistair Buxton | 7c00692 | 2009-09-22 10:02:58 +0100 | [diff] [blame] | 129 | extern void omap7xx_idle_loop_suspend(void); |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 130 | extern void omap1510_idle_loop_suspend(void); |
| 131 | extern void omap1610_idle_loop_suspend(void); |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 132 | |
Alistair Buxton | 7c00692 | 2009-09-22 10:02:58 +0100 | [diff] [blame] | 133 | extern unsigned int omap7xx_cpu_suspend_sz; |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 134 | extern unsigned int omap1510_cpu_suspend_sz; |
| 135 | extern unsigned int omap1610_cpu_suspend_sz; |
Alistair Buxton | 7c00692 | 2009-09-22 10:02:58 +0100 | [diff] [blame] | 136 | extern unsigned int omap7xx_idle_loop_suspend_sz; |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 137 | extern unsigned int omap1510_idle_loop_suspend_sz; |
| 138 | extern unsigned int omap1610_idle_loop_suspend_sz; |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 139 | |
| 140 | #ifdef CONFIG_OMAP_SERIAL_WAKE |
| 141 | extern void omap_serial_wake_trigger(int enable); |
| 142 | #else |
| 143 | #define omap_serial_wakeup_init() {} |
| 144 | #define omap_serial_wake_trigger(x) {} |
| 145 | #endif /* CONFIG_OMAP_SERIAL_WAKE */ |
| 146 | |
| 147 | #define ARM_SAVE(x) arm_sleep_save[ARM_SLEEP_SAVE_##x] = omap_readl(x) |
| 148 | #define ARM_RESTORE(x) omap_writel((arm_sleep_save[ARM_SLEEP_SAVE_##x]), (x)) |
| 149 | #define ARM_SHOW(x) arm_sleep_save[ARM_SLEEP_SAVE_##x] |
| 150 | |
| 151 | #define DSP_SAVE(x) dsp_sleep_save[DSP_SLEEP_SAVE_##x] = __raw_readw(x) |
| 152 | #define DSP_RESTORE(x) __raw_writew((dsp_sleep_save[DSP_SLEEP_SAVE_##x]), (x)) |
| 153 | #define DSP_SHOW(x) dsp_sleep_save[DSP_SLEEP_SAVE_##x] |
| 154 | |
| 155 | #define ULPD_SAVE(x) ulpd_sleep_save[ULPD_SLEEP_SAVE_##x] = omap_readw(x) |
| 156 | #define ULPD_RESTORE(x) omap_writew((ulpd_sleep_save[ULPD_SLEEP_SAVE_##x]), (x)) |
| 157 | #define ULPD_SHOW(x) ulpd_sleep_save[ULPD_SLEEP_SAVE_##x] |
| 158 | |
Alistair Buxton | 7c00692 | 2009-09-22 10:02:58 +0100 | [diff] [blame] | 159 | #define MPUI7XX_SAVE(x) mpui7xx_sleep_save[MPUI7XX_SLEEP_SAVE_##x] = omap_readl(x) |
| 160 | #define MPUI7XX_RESTORE(x) omap_writel((mpui7xx_sleep_save[MPUI7XX_SLEEP_SAVE_##x]), (x)) |
| 161 | #define MPUI7XX_SHOW(x) mpui7xx_sleep_save[MPUI7XX_SLEEP_SAVE_##x] |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 162 | |
| 163 | #define MPUI1510_SAVE(x) mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x] = omap_readl(x) |
| 164 | #define MPUI1510_RESTORE(x) omap_writel((mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x]), (x)) |
| 165 | #define MPUI1510_SHOW(x) mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x] |
| 166 | |
| 167 | #define MPUI1610_SAVE(x) mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x] = omap_readl(x) |
| 168 | #define MPUI1610_RESTORE(x) omap_writel((mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x]), (x)) |
| 169 | #define MPUI1610_SHOW(x) mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x] |
| 170 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 171 | /* |
| 172 | * List of global OMAP registers to preserve. |
| 173 | * More ones like CP and general purpose register values are preserved |
| 174 | * with the stack pointer in sleep.S. |
| 175 | */ |
| 176 | |
| 177 | enum arm_save_state { |
| 178 | ARM_SLEEP_SAVE_START = 0, |
| 179 | /* |
| 180 | * MPU control registers 32 bits |
| 181 | */ |
| 182 | ARM_SLEEP_SAVE_ARM_CKCTL, |
| 183 | ARM_SLEEP_SAVE_ARM_IDLECT1, |
| 184 | ARM_SLEEP_SAVE_ARM_IDLECT2, |
| 185 | ARM_SLEEP_SAVE_ARM_IDLECT3, |
| 186 | ARM_SLEEP_SAVE_ARM_EWUPCT, |
| 187 | ARM_SLEEP_SAVE_ARM_RSTCT1, |
| 188 | ARM_SLEEP_SAVE_ARM_RSTCT2, |
| 189 | ARM_SLEEP_SAVE_ARM_SYSST, |
| 190 | ARM_SLEEP_SAVE_SIZE |
| 191 | }; |
| 192 | |
| 193 | enum dsp_save_state { |
| 194 | DSP_SLEEP_SAVE_START = 0, |
| 195 | /* |
| 196 | * DSP registers 16 bits |
| 197 | */ |
| 198 | DSP_SLEEP_SAVE_DSP_IDLECT2, |
| 199 | DSP_SLEEP_SAVE_SIZE |
| 200 | }; |
| 201 | |
| 202 | enum ulpd_save_state { |
| 203 | ULPD_SLEEP_SAVE_START = 0, |
| 204 | /* |
| 205 | * ULPD registers 16 bits |
| 206 | */ |
| 207 | ULPD_SLEEP_SAVE_ULPD_IT_STATUS, |
| 208 | ULPD_SLEEP_SAVE_ULPD_CLOCK_CTRL, |
| 209 | ULPD_SLEEP_SAVE_ULPD_SOFT_REQ, |
| 210 | ULPD_SLEEP_SAVE_ULPD_STATUS_REQ, |
| 211 | ULPD_SLEEP_SAVE_ULPD_DPLL_CTRL, |
| 212 | ULPD_SLEEP_SAVE_ULPD_POWER_CTRL, |
| 213 | ULPD_SLEEP_SAVE_SIZE |
| 214 | }; |
| 215 | |
| 216 | enum mpui1510_save_state { |
| 217 | MPUI1510_SLEEP_SAVE_START = 0, |
| 218 | /* |
| 219 | * MPUI registers 32 bits |
| 220 | */ |
| 221 | MPUI1510_SLEEP_SAVE_MPUI_CTRL, |
| 222 | MPUI1510_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG, |
| 223 | MPUI1510_SLEEP_SAVE_MPUI_DSP_API_CONFIG, |
| 224 | MPUI1510_SLEEP_SAVE_MPUI_DSP_STATUS, |
| 225 | MPUI1510_SLEEP_SAVE_EMIFF_SDRAM_CONFIG, |
| 226 | MPUI1510_SLEEP_SAVE_EMIFS_CONFIG, |
| 227 | MPUI1510_SLEEP_SAVE_OMAP_IH1_MIR, |
| 228 | MPUI1510_SLEEP_SAVE_OMAP_IH2_MIR, |
| 229 | #if defined(CONFIG_ARCH_OMAP15XX) |
| 230 | MPUI1510_SLEEP_SAVE_SIZE |
| 231 | #else |
| 232 | MPUI1510_SLEEP_SAVE_SIZE = 0 |
| 233 | #endif |
| 234 | }; |
| 235 | |
Alistair Buxton | 7c00692 | 2009-09-22 10:02:58 +0100 | [diff] [blame] | 236 | enum mpui7xx_save_state { |
| 237 | MPUI7XX_SLEEP_SAVE_START = 0, |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 238 | /* |
| 239 | * MPUI registers 32 bits |
| 240 | */ |
Alistair Buxton | 7c00692 | 2009-09-22 10:02:58 +0100 | [diff] [blame] | 241 | MPUI7XX_SLEEP_SAVE_MPUI_CTRL, |
| 242 | MPUI7XX_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG, |
| 243 | MPUI7XX_SLEEP_SAVE_MPUI_DSP_API_CONFIG, |
| 244 | MPUI7XX_SLEEP_SAVE_MPUI_DSP_STATUS, |
| 245 | MPUI7XX_SLEEP_SAVE_EMIFF_SDRAM_CONFIG, |
| 246 | MPUI7XX_SLEEP_SAVE_EMIFS_CONFIG, |
| 247 | MPUI7XX_SLEEP_SAVE_OMAP_IH1_MIR, |
| 248 | MPUI7XX_SLEEP_SAVE_OMAP_IH2_0_MIR, |
| 249 | MPUI7XX_SLEEP_SAVE_OMAP_IH2_1_MIR, |
| 250 | #if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) |
| 251 | MPUI7XX_SLEEP_SAVE_SIZE |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 252 | #else |
Alistair Buxton | 7c00692 | 2009-09-22 10:02:58 +0100 | [diff] [blame] | 253 | MPUI7XX_SLEEP_SAVE_SIZE = 0 |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 254 | #endif |
| 255 | }; |
| 256 | |
| 257 | enum mpui1610_save_state { |
| 258 | MPUI1610_SLEEP_SAVE_START = 0, |
| 259 | /* |
| 260 | * MPUI registers 32 bits |
| 261 | */ |
| 262 | MPUI1610_SLEEP_SAVE_MPUI_CTRL, |
| 263 | MPUI1610_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG, |
| 264 | MPUI1610_SLEEP_SAVE_MPUI_DSP_API_CONFIG, |
| 265 | MPUI1610_SLEEP_SAVE_MPUI_DSP_STATUS, |
| 266 | MPUI1610_SLEEP_SAVE_EMIFF_SDRAM_CONFIG, |
| 267 | MPUI1610_SLEEP_SAVE_EMIFS_CONFIG, |
| 268 | MPUI1610_SLEEP_SAVE_OMAP_IH1_MIR, |
| 269 | MPUI1610_SLEEP_SAVE_OMAP_IH2_0_MIR, |
| 270 | MPUI1610_SLEEP_SAVE_OMAP_IH2_1_MIR, |
| 271 | MPUI1610_SLEEP_SAVE_OMAP_IH2_2_MIR, |
| 272 | MPUI1610_SLEEP_SAVE_OMAP_IH2_3_MIR, |
| 273 | #if defined(CONFIG_ARCH_OMAP16XX) |
| 274 | MPUI1610_SLEEP_SAVE_SIZE |
| 275 | #else |
| 276 | MPUI1610_SLEEP_SAVE_SIZE = 0 |
| 277 | #endif |
| 278 | }; |
| 279 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 280 | #endif /* ASSEMBLER */ |
| 281 | #endif /* __ASM_ARCH_OMAP_PM_H */ |