| /* |
| * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #ifndef __CSS_SCP_H__ |
| #define __CSS_SCP_H__ |
| |
| #include <cassert.h> |
| #include <platform_def.h> |
| #include <types.h> |
| |
| /* Forward declarations */ |
| struct psci_power_state; |
| |
| /* API for power management by SCP */ |
| 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 BL rw-data and above |
| * BL2/BL2U (this is where BL31 usually resides except when ARM_BL31_IN_DRAM is |
| * set. Ensure that SCP_BL2/SCP_BL2U do not overflow into BL1 rw-data nor |
| * BL2/BL2U. |
| */ |
| CASSERT(SCP_BL2_LIMIT <= BL1_RW_BASE, assert_scp_bl2_limit_overwrite_bl1); |
| CASSERT(SCP_BL2U_LIMIT <= BL1_RW_BASE, assert_scp_bl2u_limit_overwrite_bl1); |
| |
| CASSERT(SCP_BL2_BASE >= BL2_LIMIT, assert_scp_bl2_overwrite_bl2); |
| CASSERT(SCP_BL2U_BASE >= BL2U_LIMIT, assert_scp_bl2u_overwrite_bl2u); |
| #endif |
| |
| #endif /* __CSS_SCP_H__ */ |
