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Diffstat (limited to 'kernel/arch/arm/mach-omap1/pm.h')
| -rw-r--r-- | kernel/arch/arm/mach-omap1/pm.h | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-omap1/pm.h b/kernel/arch/arm/mach-omap1/pm.h new file mode 100644 index 000000000..cd926dcb5 --- /dev/null +++ b/kernel/arch/arm/mach-omap1/pm.h @@ -0,0 +1,281 @@ +/* + * 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 */ |