xref: /openbmc/linux/arch/powerpc/include/asm/fsl_pm.h (revision 151f4e2b)
1 /*
2  * Support Power Management
3  *
4  * Copyright 2014-2015 Freescale Semiconductor Inc.
5  *
6  * This program is free software; you can redistribute  it and/or modify it
7  * under  the terms of  the GNU General  Public License as published by the
8  * Free Software Foundation;  either version 2 of the  License, or (at your
9  * option) any later version.
10  */
11 #ifndef __PPC_FSL_PM_H
12 #define __PPC_FSL_PM_H
13 
14 #define E500_PM_PH10	1
15 #define E500_PM_PH15	2
16 #define E500_PM_PH20	3
17 #define E500_PM_PH30	4
18 #define E500_PM_DOZE	E500_PM_PH10
19 #define E500_PM_NAP	E500_PM_PH15
20 
21 #define PLAT_PM_SLEEP	20
22 #define PLAT_PM_LPM20	30
23 
24 #define FSL_PM_SLEEP		(1 << 0)
25 #define FSL_PM_DEEP_SLEEP	(1 << 1)
26 
27 struct fsl_pm_ops {
28 	/* mask pending interrupts to the RCPM from MPIC */
29 	void (*irq_mask)(int cpu);
30 
31 	/* unmask pending interrupts to the RCPM from MPIC */
32 	void (*irq_unmask)(int cpu);
33 	void (*cpu_enter_state)(int cpu, int state);
34 	void (*cpu_exit_state)(int cpu, int state);
35 	void (*cpu_up_prepare)(int cpu);
36 	void (*cpu_die)(int cpu);
37 	int (*plat_enter_sleep)(void);
38 	void (*freeze_time_base)(bool freeze);
39 
40 	/* keep the power of IP blocks during sleep/deep sleep */
41 	void (*set_ip_power)(bool enable, u32 mask);
42 
43 	/* get platform supported power management modes */
44 	unsigned int (*get_pm_modes)(void);
45 };
46 
47 extern const struct fsl_pm_ops *qoriq_pm_ops;
48 
49 int __init fsl_rcpm_init(void);
50 
51 #endif /* __PPC_FSL_PM_H */
52