arm-trusted-firmware/include/plat/arm/css/common/css_pm.h
Chandni Cherukuri eff2f44430 plat/css: allow platforms to define the system power domain level
The CSS_SYSTEM_PWR_DMN_LVL macro that defines the system power domain
level is fixed at ARM_PWR_LVL2 for all CSS platforms. However, the
system power domain level can be different for CSS platforms that
use multi-threaded CPUs.

So, in preparation towards adding support for platforms that use
multi-threaded CPUs, refactor the definition of CSS_SYSTEM_PWR_DMN_LVL
such that CSS_SYSTEM_PWR_DMN_LVL is uniquely defined for each of the
CSS platform.

Change-Id: Ia837b13f6865e71da01780993c048b45b7f36d85
Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
2018-11-27 10:32:55 +05:30

45 lines
1.4 KiB
C

/*
* Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef CSS_PM_H
#define CSS_PM_H
#include <cdefs.h>
#include <psci.h>
#include <stdint.h>
/* Macros to read the CSS power domain state */
#define CSS_CORE_PWR_STATE(state) (state)->pwr_domain_state[ARM_PWR_LVL0]
#define CSS_CLUSTER_PWR_STATE(state) (state)->pwr_domain_state[ARM_PWR_LVL1]
static inline unsigned int css_system_pwr_state(const psci_power_state_t *state)
{
#if (PLAT_MAX_PWR_LVL == CSS_SYSTEM_PWR_DMN_LVL)
return state->pwr_domain_state[CSS_SYSTEM_PWR_DMN_LVL];
#else
return 0;
#endif
}
int css_pwr_domain_on(u_register_t mpidr);
void css_pwr_domain_on_finish(const psci_power_state_t *target_state);
void css_pwr_domain_off(const psci_power_state_t *target_state);
void css_pwr_domain_suspend(const psci_power_state_t *target_state);
void css_pwr_domain_suspend_finish(
const psci_power_state_t *target_state);
void __dead2 css_system_off(void);
void __dead2 css_system_reset(void);
void css_cpu_standby(plat_local_state_t cpu_state);
void css_get_sys_suspend_power_state(psci_power_state_t *req_state);
int css_node_hw_state(u_register_t mpidr, unsigned int power_level);
/*
* This mapping array has to be exported by the platform. Each element at
* a given index maps that core to an SCMI power domain.
*/
extern const uint32_t plat_css_core_pos_to_scmi_dmn_id_map[];
#endif /* CSS_PM_H */