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 | |
Yann Gautier | a2e2a30 | 2019-02-14 11:13:39 +0100 | [diff] [blame^] | 10 | #include <stdbool.h> |
| 11 | |
Yann Gautier | ee8f542 | 2019-02-14 11:13:25 +0100 | [diff] [blame] | 12 | /* Functions to save and get boot context address given by ROM code */ |
Yann Gautier | a2e2a30 | 2019-02-14 11:13:39 +0100 | [diff] [blame^] | 13 | void stm32mp_save_boot_ctx_address(uintptr_t address); |
| 14 | uintptr_t stm32mp_get_boot_ctx_address(void); |
Yann Gautier | ee8f542 | 2019-02-14 11:13:25 +0100 | [diff] [blame] | 15 | |
| 16 | /* |
| 17 | * Platform util functions for the GPIO driver |
| 18 | * @bank: Target GPIO bank ID as per DT bindings |
| 19 | * |
| 20 | * Platform shall implement these functions to provide to stm32_gpio |
| 21 | * driver the resource reference for a target GPIO bank. That are |
| 22 | * memory mapped interface base address, interface offset (see below) |
| 23 | * and clock identifier. |
| 24 | * |
| 25 | * stm32_get_gpio_bank_offset() returns a bank offset that is used to |
| 26 | * check DT configuration matches platform implementation of the banks |
| 27 | * description. |
| 28 | */ |
| 29 | uintptr_t stm32_get_gpio_bank_base(unsigned int bank); |
| 30 | unsigned long stm32_get_gpio_bank_clock(unsigned int bank); |
| 31 | uint32_t stm32_get_gpio_bank_offset(unsigned int bank); |
| 32 | |
Yann Gautier | a2e2a30 | 2019-02-14 11:13:39 +0100 | [diff] [blame^] | 33 | /* |
| 34 | * Util for clock gating and to get clock rate for stm32 and platform drivers |
| 35 | * @id: Target clock ID, ID used in clock DT bindings |
| 36 | */ |
| 37 | bool stm32mp_clk_is_enabled(unsigned long id); |
| 38 | int stm32mp_clk_enable(unsigned long id); |
| 39 | int stm32mp_clk_disable(unsigned long id); |
| 40 | unsigned long stm32mp_clk_get_rate(unsigned long id); |
| 41 | |
Yann Gautier | ee8f542 | 2019-02-14 11:13:25 +0100 | [diff] [blame] | 42 | /* Initialise the IO layer and register platform IO devices */ |
Yann Gautier | a2e2a30 | 2019-02-14 11:13:39 +0100 | [diff] [blame^] | 43 | void stm32mp_io_setup(void); |
Yann Gautier | ee8f542 | 2019-02-14 11:13:25 +0100 | [diff] [blame] | 44 | |
| 45 | #endif /* STM32MP_COMMON_H */ |