1 /* 2 * Copyright (c) 2018-2024, STMicroelectronics - All Rights Reserved 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef STM32MP1_CLK_H 8 #define STM32MP1_CLK_H 9 10 #include <arch_helpers.h> 11 12 enum stm32mp_osc_id { 13 _HSI, 14 _HSE, 15 _CSI, 16 _LSI, 17 _LSE, 18 _I2S_CKIN, 19 NB_OSC, 20 _UNKNOWN_OSC_ID = 0xFF 21 }; 22 23 extern const char *stm32mp_osc_node_label[NB_OSC]; 24 25 int stm32mp1_clk_probe(void); 26 int stm32mp1_clk_init(void); 27 28 bool stm32mp1_rcc_is_secure(void); 29 bool stm32mp1_rcc_is_mckprot(void); 30 31 /* SMP protection on RCC registers access */ 32 void stm32mp1_clk_rcc_regs_lock(void); 33 void stm32mp1_clk_rcc_regs_unlock(void); 34 35 void stm32mp1_clk_mcuss_protect(bool enable); 36 37 #ifdef STM32MP_SHARED_RESOURCES 38 void stm32mp1_register_clock_parents_secure(unsigned long id); 39 #endif 40 #endif /* STM32MP1_CLK_H */ 41