1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2023-2024, STMicroelectronics 4 */ 5 6 #ifndef __STM32MP_PM_H__ 7 #define __STM32MP_PM_H__ 8 9 /* 10 * The PSCI topology is defined in TF-A, with 5 power levels supported in 11 * the first parameter a0="Max power level powered down" of TF-A SPD hooks 12 * 13 * power level (associated low power mode for a0) 14 * 0: CPU1 core#0 or core#1 (Stop1 or LP-Stop1) 15 * 1: D1 domain (LPLV-Stop1) 16 * 2: LPLV D1 (Stop2 or LP-Stop2) 17 * 3: D2 (LPLV-Stop1) 18 * 4: LPLV D2 (Standby) 19 * 5: MAX (PowerOff) 20 * 21 * these power level are only managed in power driver (PMIC), for pm function 22 * use the 2 associated parameters: 23 * - PM_HINT_CONTEXT_STATE : advertise driver to save all their context in DDR 24 * (self refresh) for standby mode 25 * - PM_HINT_CLOCK_STATE : advertise driver to interrupt operation when clock 26 * are stalled for the other low power modes 27 */ 28 #define PM_CORE_LEVEL 0 29 #define PM_D1_LEVEL 1 30 #define PM_D1_LPLV_LEVEL 2 31 #define PM_D2_LEVEL 3 32 #define PM_D2_LPLV_LEVEL 4 33 #define PM_MAX_LEVEL 5 34 35 #endif /*__STM32MP_PM_H__*/ 36