1/* 2 * arch/arm/mach-omap1/pm.h 3 * 4 * Header file for OMAP1 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 __ARCH_ARM_MACH_OMAP1_PM_H 35#define __ARCH_ARM_MACH_OMAP1_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 OMAP1_IO_ADDRESS(0xfffece00) 43#define ARM_IDLECT1_ASM_OFFSET 0x04 44#define ARM_IDLECT2_ASM_OFFSET 0x08 45 46#define TCMIF_ASM_BASE OMAP1_IO_ADDRESS(0xfffecc00) 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 100 101#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 106 107#if !defined(CONFIG_ARCH_OMAP730) && \ 108 !defined(CONFIG_ARCH_OMAP850) && \ 109 !defined(CONFIG_ARCH_OMAP15XX) && \ 110 !defined(CONFIG_ARCH_OMAP16XX) 111#warning "Power management for this processor not implemented yet" 112#endif 113 114#ifndef __ASSEMBLER__ 115 116#include <linux/clk.h> 117 118extern struct kset power_subsys; 119 120extern void prevent_idle_sleep(void); 121extern void allow_idle_sleep(void); 122 123extern void omap1_pm_idle(void); 124extern void omap1_pm_suspend(void); 125 126extern void omap7xx_cpu_suspend(unsigned long, unsigned long); 127extern void omap1510_cpu_suspend(unsigned long, unsigned long); 128extern void omap1610_cpu_suspend(unsigned long, unsigned long); 129extern void omap7xx_idle_loop_suspend(void); 130extern void omap1510_idle_loop_suspend(void); 131extern void omap1610_idle_loop_suspend(void); 132 133extern unsigned int omap7xx_cpu_suspend_sz; 134extern unsigned int omap1510_cpu_suspend_sz; 135extern unsigned int omap1610_cpu_suspend_sz; 136extern unsigned int omap7xx_idle_loop_suspend_sz; 137extern unsigned int omap1510_idle_loop_suspend_sz; 138extern unsigned int omap1610_idle_loop_suspend_sz; 139 140#ifdef CONFIG_OMAP_SERIAL_WAKE 141extern 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] 158 159#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] 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] 170 171/* 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 177enum 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 193enum 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 202enum 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 216enum 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 236enum mpui7xx_save_state { 237 MPUI7XX_SLEEP_SAVE_START = 0, 238 /* 239 * MPUI registers 32 bits 240 */ 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 252#else 253 MPUI7XX_SLEEP_SAVE_SIZE = 0 254#endif 255}; 256 257enum 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}; 279 280#endif /* ASSEMBLER */ 281#endif /* __ASM_ARCH_OMAP_PM_H */ 282