mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
synced 2025-04-17 10:04:26 +00:00
162 lines
6 KiB
C
162 lines
6 KiB
C
/*
|
|
* Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* Neither the name of ARM nor the names of its contributors may be used
|
|
* to endorse or promote products derived from this software without specific
|
|
* prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.
|
|
*/
|
|
|
|
#ifndef __PSCI_PRIVATE_H__
|
|
#define __PSCI_PRIVATE_H__
|
|
|
|
#include <bakery_lock.h>
|
|
|
|
#ifndef __ASSEMBLY__
|
|
/*******************************************************************************
|
|
* The following two data structures hold the generic information to bringup
|
|
* a suspended/hotplugged out cpu
|
|
******************************************************************************/
|
|
typedef struct {
|
|
unsigned long entrypoint;
|
|
unsigned long spsr;
|
|
} eret_params;
|
|
|
|
typedef struct {
|
|
eret_params eret_info;
|
|
unsigned long context_id;
|
|
unsigned int scr;
|
|
unsigned int sctlr;
|
|
} ns_entry_info;
|
|
|
|
/*******************************************************************************
|
|
*
|
|
*
|
|
******************************************************************************/
|
|
typedef struct {
|
|
unsigned long sctlr;
|
|
unsigned long scr;
|
|
unsigned long cptr;
|
|
unsigned long cpacr;
|
|
unsigned long cntfrq;
|
|
unsigned long mair;
|
|
unsigned long tcr;
|
|
unsigned long ttbr;
|
|
unsigned long vbar;
|
|
unsigned long pstate;
|
|
} secure_context;
|
|
|
|
/*******************************************************************************
|
|
* The following two data structures hold the topology tree which in turn tracks
|
|
* the state of the all the affinity instances supported by the platform.
|
|
******************************************************************************/
|
|
typedef struct {
|
|
unsigned long mpidr;
|
|
unsigned char state;
|
|
char level;
|
|
unsigned int data;
|
|
bakery_lock lock;
|
|
} aff_map_node;
|
|
|
|
typedef struct {
|
|
int min;
|
|
int max;
|
|
} aff_limits_node;
|
|
|
|
typedef aff_map_node *mpidr_aff_map_nodes[MPIDR_MAX_AFFLVL];
|
|
typedef unsigned int (*afflvl_power_on_finisher)(unsigned long,
|
|
aff_map_node *);
|
|
|
|
/*******************************************************************************
|
|
* Data prototypes
|
|
******************************************************************************/
|
|
extern secure_context psci_secure_context[PSCI_NUM_AFFS];
|
|
extern ns_entry_info psci_ns_entry_info[PSCI_NUM_AFFS];
|
|
extern unsigned int psci_ns_einfo_idx;
|
|
extern aff_limits_node psci_aff_limits[MPIDR_MAX_AFFLVL + 1];
|
|
extern plat_pm_ops *psci_plat_pm_ops;
|
|
extern aff_map_node psci_aff_map[PSCI_NUM_AFFS];
|
|
extern afflvl_power_on_finisher psci_afflvl_off_finish_handlers[];
|
|
extern afflvl_power_on_finisher psci_afflvl_sus_finish_handlers[];
|
|
|
|
/*******************************************************************************
|
|
* Function prototypes
|
|
******************************************************************************/
|
|
/* Private exported functions from psci_common.c */
|
|
extern int get_max_afflvl(void);
|
|
extern unsigned int psci_get_phys_state(unsigned int);
|
|
extern unsigned int psci_get_aff_phys_state(aff_map_node *);
|
|
extern unsigned int psci_calculate_affinity_state(aff_map_node *);
|
|
extern void psci_get_ns_entry_info(unsigned int index);
|
|
extern unsigned long mpidr_set_aff_inst(unsigned long,unsigned char, int);
|
|
extern int psci_change_state(mpidr_aff_map_nodes, int, int, unsigned int);
|
|
extern int psci_validate_mpidr(unsigned long, int);
|
|
extern void psci_afflvl_power_on_finish(unsigned long,
|
|
int,
|
|
int,
|
|
afflvl_power_on_finisher *);
|
|
extern int psci_set_ns_entry_info(unsigned int index,
|
|
unsigned long entrypoint,
|
|
unsigned long context_id);
|
|
extern int psci_get_first_present_afflvl(unsigned long,
|
|
int, int,
|
|
aff_map_node **);
|
|
extern int psci_check_afflvl_range(int start_afflvl, int end_afflvl);
|
|
extern void psci_acquire_afflvl_locks(unsigned long mpidr,
|
|
int start_afflvl,
|
|
int end_afflvl,
|
|
mpidr_aff_map_nodes mpidr_nodes);
|
|
extern void psci_release_afflvl_locks(unsigned long mpidr,
|
|
int start_afflvl,
|
|
int end_afflvl,
|
|
mpidr_aff_map_nodes mpidr_nodes);
|
|
|
|
/* Private exported functions from psci_setup.c */
|
|
extern int psci_get_aff_map_nodes(unsigned long mpidr,
|
|
int start_afflvl,
|
|
int end_afflvl,
|
|
mpidr_aff_map_nodes mpidr_nodes);
|
|
extern aff_map_node *psci_get_aff_map_node(unsigned long, int);
|
|
|
|
/* Private exported functions from psci_affinity_on.c */
|
|
extern int psci_afflvl_on(unsigned long,
|
|
unsigned long,
|
|
unsigned long,
|
|
int,
|
|
int);
|
|
|
|
/* Private exported functions from psci_affinity_off.c */
|
|
extern int psci_afflvl_off(unsigned long, int, int);
|
|
|
|
/* Private exported functions from psci_affinity_suspend.c */
|
|
extern int psci_afflvl_suspend(unsigned long,
|
|
unsigned long,
|
|
unsigned long,
|
|
unsigned int,
|
|
int,
|
|
int);
|
|
extern unsigned int psci_afflvl_suspend_finish(unsigned long, int, int);
|
|
#endif /*__ASSEMBLY__*/
|
|
|
|
#endif /* __PSCI_PRIVATE_H__ */
|