Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/include/asm/arch-omap/pm.h |
| 3 | * |
| 4 | * Header file for OMAP Power Management Routines |
| 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 | |
| 34 | #ifndef __ASM_ARCH_OMAP_PM_H |
| 35 | #define __ASM_ARCH_OMAP_PM_H |
| 36 | |
| 37 | /* |
| 38 | * ---------------------------------------------------------------------------- |
| 39 | * Register and offset definitions to be used in PM assembler code |
| 40 | * ---------------------------------------------------------------------------- |
| 41 | */ |
| 42 | #define CLKGEN_REG_ASM_BASE io_p2v(0xfffece00) |
| 43 | #define ARM_IDLECT1_ASM_OFFSET 0x04 |
| 44 | #define ARM_IDLECT2_ASM_OFFSET 0x08 |
| 45 | |
| 46 | #define TCMIF_ASM_BASE io_p2v(0xfffecc00) |
| 47 | #define EMIFS_CONFIG_ASM_OFFSET 0x0c |
| 48 | #define EMIFF_SDRAM_CONFIG_ASM_OFFSET 0x20 |
| 49 | |
| 50 | /* |
| 51 | * ---------------------------------------------------------------------------- |
| 52 | * Powermanagement 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 |
Tony Lindgren | 9839c6b | 2005-09-07 17:20:27 +0100 | [diff] [blame] | 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 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | |
Tony Lindgren | 9839c6b | 2005-09-07 17:20:27 +0100 | [diff] [blame] | 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 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | #define OMAP1610_IDLE_LOOP_REQUEST 0x0400 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | |
Tony Lindgren | 9ad5897 | 2005-11-10 14:26:53 +0000 | [diff] [blame] | 101 | #define OMAP730_IDLECT1_SLEEP_VAL 0x16c7 |
| 102 | #define OMAP730_IDLECT2_SLEEP_VAL 0x09c7 |
| 103 | #define OMAP730_IDLECT3_VAL 0x3f |
| 104 | #define OMAP730_IDLECT3 0xfffece24 |
| 105 | #define OMAP730_IDLE_LOOP_REQUEST 0x0C00 |
| 106 | |
| 107 | #if !defined(CONFIG_ARCH_OMAP730) && \ |
| 108 | !defined(CONFIG_ARCH_OMAP15XX) && \ |
Tony Lindgren | 9839c6b | 2005-09-07 17:20:27 +0100 | [diff] [blame] | 109 | !defined(CONFIG_ARCH_OMAP16XX) && \ |
| 110 | !defined(CONFIG_ARCH_OMAP24XX) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | #error "Power management for this processor not implemented yet" |
| 112 | #endif |
| 113 | |
| 114 | #ifndef __ASSEMBLER__ |
| 115 | extern void omap_pm_idle(void); |
| 116 | extern void omap_pm_suspend(void); |
Tony Lindgren | 9ad5897 | 2005-11-10 14:26:53 +0000 | [diff] [blame] | 117 | extern void omap730_cpu_suspend(unsigned short, unsigned short); |
Tony Lindgren | 9839c6b | 2005-09-07 17:20:27 +0100 | [diff] [blame] | 118 | extern void omap1510_cpu_suspend(unsigned short, unsigned short); |
| 119 | extern void omap1610_cpu_suspend(unsigned short, unsigned short); |
Tony Lindgren | 9ad5897 | 2005-11-10 14:26:53 +0000 | [diff] [blame] | 120 | extern void omap730_idle_loop_suspend(void); |
Tony Lindgren | 9839c6b | 2005-09-07 17:20:27 +0100 | [diff] [blame] | 121 | extern void omap1510_idle_loop_suspend(void); |
| 122 | extern void omap1610_idle_loop_suspend(void); |
| 123 | |
| 124 | #ifdef CONFIG_OMAP_SERIAL_WAKE |
| 125 | extern void omap_serial_wake_trigger(int enable); |
| 126 | #else |
| 127 | #define omap_serial_wake_trigger(x) {} |
| 128 | #endif /* CONFIG_OMAP_SERIAL_WAKE */ |
| 129 | |
Tony Lindgren | 9ad5897 | 2005-11-10 14:26:53 +0000 | [diff] [blame] | 130 | extern unsigned int omap730_cpu_suspend_sz; |
| 131 | extern unsigned int omap730_idle_loop_suspend_sz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | extern unsigned int omap1510_cpu_suspend_sz; |
| 133 | extern unsigned int omap1510_idle_loop_suspend_sz; |
| 134 | extern unsigned int omap1610_cpu_suspend_sz; |
| 135 | extern unsigned int omap1610_idle_loop_suspend_sz; |
| 136 | |
| 137 | #define ARM_SAVE(x) arm_sleep_save[ARM_SLEEP_SAVE_##x] = omap_readl(x) |
| 138 | #define ARM_RESTORE(x) omap_writel((arm_sleep_save[ARM_SLEEP_SAVE_##x]), (x)) |
| 139 | #define ARM_SHOW(x) arm_sleep_save[ARM_SLEEP_SAVE_##x] |
| 140 | |
| 141 | #define ULPD_SAVE(x) ulpd_sleep_save[ULPD_SLEEP_SAVE_##x] = omap_readw(x) |
| 142 | #define ULPD_RESTORE(x) omap_writew((ulpd_sleep_save[ULPD_SLEEP_SAVE_##x]), (x)) |
| 143 | #define ULPD_SHOW(x) ulpd_sleep_save[ULPD_SLEEP_SAVE_##x] |
| 144 | |
Tony Lindgren | 9ad5897 | 2005-11-10 14:26:53 +0000 | [diff] [blame] | 145 | #define MPUI730_SAVE(x) mpui730_sleep_save[MPUI730_SLEEP_SAVE_##x] = omap_readl(x) |
| 146 | #define MPUI730_RESTORE(x) omap_writel((mpui730_sleep_save[MPUI730_SLEEP_SAVE_##x]), (x)) |
| 147 | #define MPUI730_SHOW(x) mpui730_sleep_save[MPUI730_SLEEP_SAVE_##x] |
| 148 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | #define MPUI1510_SAVE(x) mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x] = omap_readl(x) |
| 150 | #define MPUI1510_RESTORE(x) omap_writel((mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x]), (x)) |
| 151 | #define MPUI1510_SHOW(x) mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x] |
| 152 | |
| 153 | #define MPUI1610_SAVE(x) mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x] = omap_readl(x) |
| 154 | #define MPUI1610_RESTORE(x) omap_writel((mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x]), (x)) |
| 155 | #define MPUI1610_SHOW(x) mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x] |
| 156 | |
| 157 | /* |
| 158 | * List of global OMAP registers to preserve. |
| 159 | * More ones like CP and general purpose register values are preserved |
| 160 | * with the stack pointer in sleep.S. |
| 161 | */ |
| 162 | |
| 163 | enum arm_save_state { |
| 164 | ARM_SLEEP_SAVE_START = 0, |
| 165 | /* |
| 166 | * MPU control registers 32 bits |
| 167 | */ |
| 168 | ARM_SLEEP_SAVE_ARM_CKCTL, |
| 169 | ARM_SLEEP_SAVE_ARM_IDLECT1, |
| 170 | ARM_SLEEP_SAVE_ARM_IDLECT2, |
Tony Lindgren | 9839c6b | 2005-09-07 17:20:27 +0100 | [diff] [blame] | 171 | ARM_SLEEP_SAVE_ARM_IDLECT3, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | ARM_SLEEP_SAVE_ARM_EWUPCT, |
| 173 | ARM_SLEEP_SAVE_ARM_RSTCT1, |
| 174 | ARM_SLEEP_SAVE_ARM_RSTCT2, |
| 175 | ARM_SLEEP_SAVE_ARM_SYSST, |
| 176 | ARM_SLEEP_SAVE_SIZE |
| 177 | }; |
| 178 | |
| 179 | enum ulpd_save_state { |
| 180 | ULPD_SLEEP_SAVE_START = 0, |
| 181 | /* |
| 182 | * ULPD registers 16 bits |
| 183 | */ |
| 184 | ULPD_SLEEP_SAVE_ULPD_IT_STATUS, |
| 185 | ULPD_SLEEP_SAVE_ULPD_CLOCK_CTRL, |
| 186 | ULPD_SLEEP_SAVE_ULPD_SOFT_REQ, |
| 187 | ULPD_SLEEP_SAVE_ULPD_STATUS_REQ, |
| 188 | ULPD_SLEEP_SAVE_ULPD_DPLL_CTRL, |
| 189 | ULPD_SLEEP_SAVE_ULPD_POWER_CTRL, |
| 190 | ULPD_SLEEP_SAVE_SIZE |
| 191 | }; |
| 192 | |
| 193 | enum mpui1510_save_state { |
| 194 | MPUI1510_SLEEP_SAVE_START = 0, |
| 195 | /* |
| 196 | * MPUI registers 32 bits |
| 197 | */ |
| 198 | MPUI1510_SLEEP_SAVE_MPUI_CTRL, |
| 199 | MPUI1510_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG, |
| 200 | MPUI1510_SLEEP_SAVE_MPUI_DSP_API_CONFIG, |
| 201 | MPUI1510_SLEEP_SAVE_MPUI_DSP_STATUS, |
| 202 | MPUI1510_SLEEP_SAVE_EMIFF_SDRAM_CONFIG, |
| 203 | MPUI1510_SLEEP_SAVE_EMIFS_CONFIG, |
| 204 | MPUI1510_SLEEP_SAVE_OMAP_IH1_MIR, |
| 205 | MPUI1510_SLEEP_SAVE_OMAP_IH2_MIR, |
Tony Lindgren | 9ad5897 | 2005-11-10 14:26:53 +0000 | [diff] [blame] | 206 | #if defined(CONFIG_ARCH_OMAP15XX) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | MPUI1510_SLEEP_SAVE_SIZE |
| 208 | #else |
| 209 | MPUI1510_SLEEP_SAVE_SIZE = 0 |
| 210 | #endif |
| 211 | }; |
| 212 | |
Tony Lindgren | 9ad5897 | 2005-11-10 14:26:53 +0000 | [diff] [blame] | 213 | enum mpui730_save_state { |
| 214 | MPUI730_SLEEP_SAVE_START = 0, |
| 215 | /* |
| 216 | * MPUI registers 32 bits |
| 217 | */ |
| 218 | MPUI730_SLEEP_SAVE_MPUI_CTRL, |
| 219 | MPUI730_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG, |
| 220 | MPUI730_SLEEP_SAVE_MPUI_DSP_API_CONFIG, |
| 221 | MPUI730_SLEEP_SAVE_MPUI_DSP_STATUS, |
| 222 | MPUI730_SLEEP_SAVE_EMIFF_SDRAM_CONFIG, |
| 223 | MPUI730_SLEEP_SAVE_EMIFS_CONFIG, |
| 224 | MPUI730_SLEEP_SAVE_OMAP_IH1_MIR, |
| 225 | MPUI730_SLEEP_SAVE_OMAP_IH2_0_MIR, |
| 226 | MPUI730_SLEEP_SAVE_OMAP_IH2_1_MIR, |
| 227 | #if defined(CONFIG_ARCH_OMAP730) |
| 228 | MPUI730_SLEEP_SAVE_SIZE |
| 229 | #else |
| 230 | MPUI730_SLEEP_SAVE_SIZE = 0 |
| 231 | #endif |
| 232 | }; |
| 233 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | enum mpui1610_save_state { |
| 235 | MPUI1610_SLEEP_SAVE_START = 0, |
| 236 | /* |
| 237 | * MPUI registers 32 bits |
| 238 | */ |
| 239 | MPUI1610_SLEEP_SAVE_MPUI_CTRL, |
| 240 | MPUI1610_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG, |
| 241 | MPUI1610_SLEEP_SAVE_MPUI_DSP_API_CONFIG, |
| 242 | MPUI1610_SLEEP_SAVE_MPUI_DSP_STATUS, |
| 243 | MPUI1610_SLEEP_SAVE_EMIFF_SDRAM_CONFIG, |
| 244 | MPUI1610_SLEEP_SAVE_EMIFS_CONFIG, |
| 245 | MPUI1610_SLEEP_SAVE_OMAP_IH1_MIR, |
| 246 | MPUI1610_SLEEP_SAVE_OMAP_IH2_0_MIR, |
| 247 | MPUI1610_SLEEP_SAVE_OMAP_IH2_1_MIR, |
| 248 | MPUI1610_SLEEP_SAVE_OMAP_IH2_2_MIR, |
| 249 | MPUI1610_SLEEP_SAVE_OMAP_IH2_3_MIR, |
| 250 | #if defined(CONFIG_ARCH_OMAP16XX) |
| 251 | MPUI1610_SLEEP_SAVE_SIZE |
| 252 | #else |
| 253 | MPUI1610_SLEEP_SAVE_SIZE = 0 |
| 254 | #endif |
| 255 | }; |
| 256 | |
| 257 | #endif /* ASSEMBLER */ |
| 258 | #endif /* __ASM_ARCH_OMAP_PM_H */ |