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164 lines
4.2 KiB
164 lines
4.2 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* OMAP2/3 Power Management Routines |
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* |
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* Copyright (C) 2008 Nokia Corporation |
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* Jouni Hogander |
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*/ |
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#ifndef __ARCH_ARM_MACH_OMAP2_PM_H |
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#define __ARCH_ARM_MACH_OMAP2_PM_H |
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#include <linux/err.h> |
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#include "powerdomain.h" |
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#ifdef CONFIG_CPU_IDLE |
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extern int __init omap3_idle_init(void); |
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extern int __init omap4_idle_init(void); |
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#else |
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static inline int omap3_idle_init(void) |
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{ |
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return 0; |
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} |
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static inline int omap4_idle_init(void) |
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{ |
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return 0; |
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} |
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#endif |
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extern void *omap3_secure_ram_storage; |
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extern void omap3_pm_off_mode_enable(int); |
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extern void omap_sram_idle(void); |
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extern int omap_pm_clkdms_setup(struct clockdomain *clkdm, void *unused); |
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#if defined(CONFIG_PM_OPP) |
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extern int omap3_opp_init(void); |
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extern int omap4_opp_init(void); |
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#else |
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static inline int omap3_opp_init(void) |
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{ |
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return -EINVAL; |
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} |
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static inline int omap4_opp_init(void) |
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{ |
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return -EINVAL; |
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} |
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#endif |
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extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm); |
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extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state); |
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extern u32 enable_off_mode; |
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#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) |
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extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev); |
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#else |
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#define pm_dbg_update_time(pwrdm, prev) do {} while (0); |
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#endif /* CONFIG_PM_DEBUG */ |
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/* 24xx */ |
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extern void omap24xx_idle_loop_suspend(void); |
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extern unsigned int omap24xx_idle_loop_suspend_sz; |
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extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl, |
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void __iomem *sdrc_power); |
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extern unsigned int omap24xx_cpu_suspend_sz; |
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/* 3xxx */ |
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extern void omap34xx_cpu_suspend(int save_state); |
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/* omap3_do_wfi function pointer and size, for copy to SRAM */ |
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extern void omap3_do_wfi(void); |
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extern unsigned int omap3_do_wfi_sz; |
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/* ... and its pointer from SRAM after copy */ |
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extern void (*omap3_do_wfi_sram)(void); |
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extern struct am33xx_pm_sram_addr am33xx_pm_sram; |
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extern struct am33xx_pm_sram_addr am43xx_pm_sram; |
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extern void omap3_save_scratchpad_contents(void); |
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#define PM_RTA_ERRATUM_i608 (1 << 0) |
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#define PM_SDRC_WAKEUP_ERRATUM_i583 (1 << 1) |
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#define PM_PER_MEMORIES_ERRATUM_i582 (1 << 2) |
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#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) |
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extern u16 pm34xx_errata; |
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#define IS_PM34XX_ERRATUM(id) (pm34xx_errata & (id)) |
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extern void enable_omap3630_toggle_l2_on_restore(void); |
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#else |
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#define IS_PM34XX_ERRATUM(id) 0 |
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static inline void enable_omap3630_toggle_l2_on_restore(void) { } |
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#endif /* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */ |
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#define PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD (1 << 0) |
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#define PM_OMAP4_CPU_OSWR_DISABLE (1 << 1) |
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#if defined(CONFIG_PM) && (defined(CONFIG_ARCH_OMAP4) ||\ |
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defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX)) |
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extern u16 pm44xx_errata; |
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#define IS_PM44XX_ERRATUM(id) (pm44xx_errata & (id)) |
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#else |
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#define IS_PM44XX_ERRATUM(id) 0 |
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#endif |
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#define OMAP4_VP_CONFIG_ERROROFFSET 0x00 |
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#define OMAP4_VP_VSTEPMIN_VSTEPMIN 0x01 |
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#define OMAP4_VP_VSTEPMAX_VSTEPMAX 0x04 |
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#define OMAP4_VP_VLIMITTO_TIMEOUT_US 200 |
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#ifdef CONFIG_POWER_AVS_OMAP |
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extern int omap_devinit_smartreflex(void); |
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extern void omap_enable_smartreflex_on_init(void); |
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#else |
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static inline int omap_devinit_smartreflex(void) |
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{ |
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return -EINVAL; |
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} |
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static inline void omap_enable_smartreflex_on_init(void) {} |
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#endif |
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#ifdef CONFIG_TWL4030_CORE |
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extern int omap3_twl_init(void); |
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extern int omap4_twl_init(void); |
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extern int omap3_twl_set_sr_bit(bool enable); |
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#else |
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static inline int omap3_twl_init(void) |
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{ |
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return -EINVAL; |
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} |
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static inline int omap4_twl_init(void) |
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{ |
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return -EINVAL; |
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} |
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#endif |
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#if IS_ENABLED(CONFIG_MFD_CPCAP) |
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extern int omap4_cpcap_init(void); |
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#else |
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static inline int omap4_cpcap_init(void) |
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{ |
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return -EINVAL; |
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} |
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#endif |
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#ifdef CONFIG_PM |
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extern void omap_pm_setup_oscillator(u32 tstart, u32 tshut); |
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extern void omap_pm_get_oscillator(u32 *tstart, u32 *tshut); |
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extern void omap_pm_setup_sr_i2c_pcb_length(u32 mm); |
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#else |
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static inline void omap_pm_setup_oscillator(u32 tstart, u32 tshut) { } |
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static inline void omap_pm_get_oscillator(u32 *tstart, u32 *tshut) { *tstart = *tshut = 0; } |
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static inline void omap_pm_setup_sr_i2c_pcb_length(u32 mm) { } |
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#endif |
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#ifdef CONFIG_SUSPEND |
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void omap_common_suspend_init(void *pm_suspend); |
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#else |
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static inline void omap_common_suspend_init(void *pm_suspend) |
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{ |
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} |
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#endif /* CONFIG_SUSPEND */ |
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#endif
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