1 /* 2 * Copyright (C) 2018-2019, STMicroelectronics - All Rights Reserved 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef STM32MP_COMMON_H 8 #define STM32MP_COMMON_H 9 10 /* Functions to save and get boot context address given by ROM code */ 11 void stm32mp1_save_boot_ctx_address(uintptr_t address); 12 uintptr_t stm32mp1_get_boot_ctx_address(void); 13 14 /* 15 * Platform util functions for the GPIO driver 16 * @bank: Target GPIO bank ID as per DT bindings 17 * 18 * Platform shall implement these functions to provide to stm32_gpio 19 * driver the resource reference for a target GPIO bank. That are 20 * memory mapped interface base address, interface offset (see below) 21 * and clock identifier. 22 * 23 * stm32_get_gpio_bank_offset() returns a bank offset that is used to 24 * check DT configuration matches platform implementation of the banks 25 * description. 26 */ 27 uintptr_t stm32_get_gpio_bank_base(unsigned int bank); 28 unsigned long stm32_get_gpio_bank_clock(unsigned int bank); 29 uint32_t stm32_get_gpio_bank_offset(unsigned int bank); 30 31 /* Initialise the IO layer and register platform IO devices */ 32 void stm32mp1_io_setup(void); 33 34 #endif /* STM32MP_COMMON_H */ 35