| Yann Gautier | ee8f542 | 2019-02-14 11:13:25 +0100 | [diff] [blame^] | 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 */ |