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#include <linux/soc/ti/omap1-io.h> 38 39/* 40 * ---------------------------------------------------------------------------- 41 * Register and offset definitions to be used in PM assembler code 42 * ---------------------------------------------------------------------------- 43 */ 44#define CLKGEN_REG_ASM_BASE OMAP1_IO_ADDRESS(0xfffece00) 45#define ARM_IDLECT1_ASM_OFFSET 0x04 46#define ARM_IDLECT2_ASM_OFFSET 0x08 47 48#define TCMIF_ASM_BASE OMAP1_IO_ADDRESS(0xfffecc00) 49#define EMIFS_CONFIG_ASM_OFFSET 0x0c 50#define EMIFF_SDRAM_CONFIG_ASM_OFFSET 0x20 51 52/* 53 * ---------------------------------------------------------------------------- 54 * Power management bitmasks 55 * ---------------------------------------------------------------------------- 56 */ 57#define IDLE_WAIT_CYCLES 0x00000fff 58#define PERIPHERAL_ENABLE 0x2 59 60#define SELF_REFRESH_MODE 0x0c000001 61#define IDLE_EMIFS_REQUEST 0xc 62#define MODEM_32K_EN 0x1 63#define PER_EN 0x1 64 65#define CPU_SUSPEND_SIZE 200 66#define ULPD_LOW_PWR_EN 0x0001 67#define ULPD_DEEP_SLEEP_TRANSITION_EN 0x0010 68#define ULPD_SETUP_ANALOG_CELL_3_VAL 0 69#define ULPD_POWER_CTRL_REG_VAL 0x0219 70 71#define DSP_IDLE_DELAY 10 72#define DSP_IDLE 0x0040 73#define DSP_RST 0x0004 74#define DSP_ENABLE 0x0002 75#define SUFFICIENT_DSP_RESET_TIME 1000 76#define DEFAULT_MPUI_CONFIG 0x05cf 77#define ENABLE_XORCLK 0x2 78#define DSP_CLOCK_ENABLE 0x2000 79#define DSP_IDLE_MODE 0x2 80#define TC_IDLE_REQUEST (0x0000000c) 81 82#define IRQ_LEVEL2 (1<<0) 83#define IRQ_KEYBOARD (1<<1) 84#define IRQ_UART2 (1<<15) 85 86#define PDE_BIT 0x08 87#define PWD_EN_BIT 0x04 88#define EN_PERCK_BIT 0x04 89 90#define OMAP1510_DEEP_SLEEP_REQUEST 0x0ec7 91#define OMAP1510_BIG_SLEEP_REQUEST 0x0cc5 92#define OMAP1510_IDLE_LOOP_REQUEST 0x0c00 93#define OMAP1510_IDLE_CLOCK_DOMAINS 0x2 94 95/* Both big sleep and deep sleep use same values. Difference is in ULPD. */ 96#define OMAP1610_IDLECT1_SLEEP_VAL 0x13c7 97#define OMAP1610_IDLECT2_SLEEP_VAL 0x09c7 98#define OMAP1610_IDLECT3_VAL 0x3f 99#define OMAP1610_IDLECT3_SLEEP_ORMASK 0x2c 100#define OMAP1610_IDLECT3 0xfffece24 101#define OMAP1610_IDLE_LOOP_REQUEST 0x0400 102 103#ifndef __ASSEMBLER__ 104 105#include <linux/clk.h> 106 107extern struct kset power_subsys; 108 109extern void prevent_idle_sleep(void); 110extern void allow_idle_sleep(void); 111 112extern void omap1_pm_idle(void); 113extern void omap1_pm_suspend(void); 114 115extern void omap1510_cpu_suspend(unsigned long, unsigned long); 116extern void omap1610_cpu_suspend(unsigned long, unsigned long); 117extern void omap1510_idle_loop_suspend(void); 118extern void omap1610_idle_loop_suspend(void); 119 120extern unsigned int omap1510_cpu_suspend_sz; 121extern unsigned int omap1610_cpu_suspend_sz; 122extern unsigned int omap1510_idle_loop_suspend_sz; 123extern unsigned int omap1610_idle_loop_suspend_sz; 124 125#ifdef CONFIG_OMAP_SERIAL_WAKE 126extern void omap_serial_wake_trigger(int enable); 127#else 128#define omap_serial_wakeup_init() {} 129#define omap_serial_wake_trigger(x) {} 130#endif /* CONFIG_OMAP_SERIAL_WAKE */ 131 132#define ARM_SAVE(x) arm_sleep_save[ARM_SLEEP_SAVE_##x] = omap_readl(x) 133#define ARM_RESTORE(x) omap_writel((arm_sleep_save[ARM_SLEEP_SAVE_##x]), (x)) 134#define ARM_SHOW(x) arm_sleep_save[ARM_SLEEP_SAVE_##x] 135 136#define DSP_SAVE(x) dsp_sleep_save[DSP_SLEEP_SAVE_##x] = __raw_readw(x) 137#define DSP_RESTORE(x) __raw_writew((dsp_sleep_save[DSP_SLEEP_SAVE_##x]), (x)) 138#define DSP_SHOW(x) dsp_sleep_save[DSP_SLEEP_SAVE_##x] 139 140#define ULPD_SAVE(x) ulpd_sleep_save[ULPD_SLEEP_SAVE_##x] = omap_readw(x) 141#define ULPD_RESTORE(x) omap_writew((ulpd_sleep_save[ULPD_SLEEP_SAVE_##x]), (x)) 142#define ULPD_SHOW(x) ulpd_sleep_save[ULPD_SLEEP_SAVE_##x] 143 144#define MPUI1510_SAVE(x) mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x] = omap_readl(x) 145#define MPUI1510_RESTORE(x) omap_writel((mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x]), (x)) 146#define MPUI1510_SHOW(x) mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_##x] 147 148#define MPUI1610_SAVE(x) mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x] = omap_readl(x) 149#define MPUI1610_RESTORE(x) omap_writel((mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x]), (x)) 150#define MPUI1610_SHOW(x) mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_##x] 151 152/* 153 * List of global OMAP registers to preserve. 154 * More ones like CP and general purpose register values are preserved 155 * with the stack pointer in sleep.S. 156 */ 157 158enum arm_save_state { 159 ARM_SLEEP_SAVE_START = 0, 160 /* 161 * MPU control registers 32 bits 162 */ 163 ARM_SLEEP_SAVE_ARM_CKCTL, 164 ARM_SLEEP_SAVE_ARM_IDLECT1, 165 ARM_SLEEP_SAVE_ARM_IDLECT2, 166 ARM_SLEEP_SAVE_ARM_IDLECT3, 167 ARM_SLEEP_SAVE_ARM_EWUPCT, 168 ARM_SLEEP_SAVE_ARM_RSTCT1, 169 ARM_SLEEP_SAVE_ARM_RSTCT2, 170 ARM_SLEEP_SAVE_ARM_SYSST, 171 ARM_SLEEP_SAVE_SIZE 172}; 173 174enum dsp_save_state { 175 DSP_SLEEP_SAVE_START = 0, 176 /* 177 * DSP registers 16 bits 178 */ 179 DSP_SLEEP_SAVE_DSP_IDLECT2, 180 DSP_SLEEP_SAVE_SIZE 181}; 182 183enum ulpd_save_state { 184 ULPD_SLEEP_SAVE_START = 0, 185 /* 186 * ULPD registers 16 bits 187 */ 188 ULPD_SLEEP_SAVE_ULPD_IT_STATUS, 189 ULPD_SLEEP_SAVE_ULPD_CLOCK_CTRL, 190 ULPD_SLEEP_SAVE_ULPD_SOFT_REQ, 191 ULPD_SLEEP_SAVE_ULPD_STATUS_REQ, 192 ULPD_SLEEP_SAVE_ULPD_DPLL_CTRL, 193 ULPD_SLEEP_SAVE_ULPD_POWER_CTRL, 194 ULPD_SLEEP_SAVE_SIZE 195}; 196 197enum mpui1510_save_state { 198 MPUI1510_SLEEP_SAVE_START = 0, 199 /* 200 * MPUI registers 32 bits 201 */ 202 MPUI1510_SLEEP_SAVE_MPUI_CTRL, 203 MPUI1510_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG, 204 MPUI1510_SLEEP_SAVE_MPUI_DSP_API_CONFIG, 205 MPUI1510_SLEEP_SAVE_MPUI_DSP_STATUS, 206 MPUI1510_SLEEP_SAVE_EMIFF_SDRAM_CONFIG, 207 MPUI1510_SLEEP_SAVE_EMIFS_CONFIG, 208 MPUI1510_SLEEP_SAVE_OMAP_IH1_MIR, 209 MPUI1510_SLEEP_SAVE_OMAP_IH2_MIR, 210#if defined(CONFIG_ARCH_OMAP15XX) 211 MPUI1510_SLEEP_SAVE_SIZE 212#else 213 MPUI1510_SLEEP_SAVE_SIZE = 0 214#endif 215}; 216 217enum mpui1610_save_state { 218 MPUI1610_SLEEP_SAVE_START = 0, 219 /* 220 * MPUI registers 32 bits 221 */ 222 MPUI1610_SLEEP_SAVE_MPUI_CTRL, 223 MPUI1610_SLEEP_SAVE_MPUI_DSP_BOOT_CONFIG, 224 MPUI1610_SLEEP_SAVE_MPUI_DSP_API_CONFIG, 225 MPUI1610_SLEEP_SAVE_MPUI_DSP_STATUS, 226 MPUI1610_SLEEP_SAVE_EMIFF_SDRAM_CONFIG, 227 MPUI1610_SLEEP_SAVE_EMIFS_CONFIG, 228 MPUI1610_SLEEP_SAVE_OMAP_IH1_MIR, 229 MPUI1610_SLEEP_SAVE_OMAP_IH2_0_MIR, 230 MPUI1610_SLEEP_SAVE_OMAP_IH2_1_MIR, 231 MPUI1610_SLEEP_SAVE_OMAP_IH2_2_MIR, 232 MPUI1610_SLEEP_SAVE_OMAP_IH2_3_MIR, 233#if defined(CONFIG_ARCH_OMAP16XX) 234 MPUI1610_SLEEP_SAVE_SIZE 235#else 236 MPUI1610_SLEEP_SAVE_SIZE = 0 237#endif 238}; 239 240#endif /* ASSEMBLER */ 241#endif /* __ASM_ARCH_OMAP_PM_H */ 242