blob: d260644521087c290eefb0818f98e529dc06402e [file] [log] [blame]
* Copyright (C) 2018-2021, STMicroelectronics - All Rights Reserved
* SPDX-License-Identifier: BSD-3-Clause
#ifndef STM32MP_COMMON_H
#define STM32MP_COMMON_H
#include <stdbool.h>
#include <platform_def.h>
#define JEDEC_ST_BKID U(0x0)
#define JEDEC_ST_MFID U(0x20)
/* Functions to save and get boot context address given by ROM code */
void stm32mp_save_boot_ctx_address(uintptr_t address);
uintptr_t stm32mp_get_boot_ctx_address(void);
uint16_t stm32mp_get_boot_itf_selected(void);
bool stm32mp_is_single_core(void);
bool stm32mp_is_closed_device(void);
/* Return the base address of the DDR controller */
uintptr_t stm32mp_ddrctrl_base(void);
/* Return the base address of the DDR PHY */
uintptr_t stm32mp_ddrphyc_base(void);
/* Return the base address of the PWR peripheral */
uintptr_t stm32mp_pwr_base(void);
/* Return the base address of the RCC peripheral */
uintptr_t stm32mp_rcc_base(void);
/* Check MMU status to allow spinlock use */
bool stm32mp_lock_available(void);
/* Get IWDG platform instance ID from peripheral IO memory base address */
uint32_t stm32_iwdg_get_instance(uintptr_t base);
/* Return bitflag mask for expected IWDG configuration from OTP content */
uint32_t stm32_iwdg_get_otp_config(uint32_t iwdg_inst);
#if defined(IMAGE_BL2)
/* Update OTP shadow registers with IWDG configuration from device tree */
uint32_t stm32_iwdg_shadow_update(uint32_t iwdg_inst, uint32_t flags);
/* Get the UART address from its instance number */
uintptr_t get_uart_address(uint32_t instance_nb);
/* Setup the UART console */
int stm32mp_uart_console_setup(void);
* Platform util functions for the GPIO driver
* @bank: Target GPIO bank ID as per DT bindings
* Platform shall implement these functions to provide to stm32_gpio
* driver the resource reference for a target GPIO bank. That are
* memory mapped interface base address, interface offset (see below)
* and clock identifier.
* stm32_get_gpio_bank_offset() returns a bank offset that is used to
* check DT configuration matches platform implementation of the banks
* description.
uintptr_t stm32_get_gpio_bank_base(unsigned int bank);
unsigned long stm32_get_gpio_bank_clock(unsigned int bank);
uint32_t stm32_get_gpio_bank_offset(unsigned int bank);
bool stm32_gpio_is_secure_at_reset(unsigned int bank);
/* Return node offset for target GPIO bank ID @bank or a FDT error code */
int stm32_get_gpio_bank_pinctrl_node(void *fdt, unsigned int bank);
/* Get the chip revision */
uint32_t stm32mp_get_chip_version(void);
/* Get the chip device ID */
uint32_t stm32mp_get_chip_dev_id(void);
/* Get SOC name */
#define STM32_SOC_NAME_SIZE 20
void stm32mp_get_soc_name(char name[STM32_SOC_NAME_SIZE]);
/* Print CPU information */
void stm32mp_print_cpuinfo(void);
/* Print board information */
void stm32mp_print_boardinfo(void);
* Util for clock gating and to get clock rate for stm32 and platform drivers
* @id: Target clock ID, ID used in clock DT bindings
bool stm32mp_clk_is_enabled(unsigned long id);
void stm32mp_clk_enable(unsigned long id);
void stm32mp_clk_disable(unsigned long id);
unsigned long stm32mp_clk_get_rate(unsigned long id);
/* Initialise the IO layer and register platform IO devices */
void stm32mp_io_setup(void);
* Check that the STM32 header of a .stm32 binary image is valid
* @param header: pointer to the stm32 image header
* @param buffer: address of the binary image (payload)
* @return: 0 on success, negative value in case of error
int stm32mp_check_header(boot_api_image_header_t *header, uintptr_t buffer);
#endif /* STM32MP_USE_STM32IMAGE */
/* Functions to map DDR in MMU with non-cacheable attribute, and unmap it */
int stm32mp_map_ddr_non_cacheable(void);
int stm32mp_unmap_ddr(void);
/* Functions to save and get boot peripheral info */
void stm32_save_boot_interface(uint32_t interface, uint32_t instance);
void stm32_get_boot_interface(uint32_t *interface, uint32_t *instance);
#endif /* STM32MP_COMMON_H */