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/*
* Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef CSS_SCP_H
#define CSS_SCP_H
#include <stdint.h>
#include <platform_def.h>
#include <lib/cassert.h>
/* Forward declarations */
struct psci_power_state;
/* API for power management by SCP */
int css_system_reset2(int is_vendor, int reset_type, u_register_t cookie);
void css_scp_suspend(const struct psci_power_state *target_state);
void css_scp_off(const struct psci_power_state *target_state);
void css_scp_on(u_register_t mpidr);
int css_scp_get_power_state(u_register_t mpidr, unsigned int power_level);
void __dead2 css_scp_sys_shutdown(void);
void __dead2 css_scp_sys_reboot(void);
void __dead2 css_scp_system_off(int state);
/* API for SCP Boot Image transfer. Return 0 on success, -1 on error */
int css_scp_boot_image_xfer(void *image, unsigned int image_size);
/*
* API to wait for SCP to signal till it's ready after booting the transferred
* image.
*/
int css_scp_boot_ready(void);
#if CSS_LOAD_SCP_IMAGES
/*
* All CSS platforms load SCP_BL2/SCP_BL2U just below BL2 (this is where BL31
* usually resides except when ARM_BL31_IN_DRAM is
* set). Ensure that SCP_BL2/SCP_BL2U do not overflow into fw_config.
*/
CASSERT(SCP_BL2_LIMIT <= BL2_BASE, assert_scp_bl2_overwrite_bl2);
CASSERT(SCP_BL2U_LIMIT <= BL2_BASE, assert_scp_bl2u_overwrite_bl2);
CASSERT(SCP_BL2_BASE >= ARM_FW_CONFIG_LIMIT, assert_scp_bl2_overflow);
CASSERT(SCP_BL2U_BASE >= ARM_FW_CONFIG_LIMIT, assert_scp_bl2u_overflow);
#endif
#endif /* CSS_SCP_H */
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