159 lines
9.2 KiB
C
159 lines
9.2 KiB
C
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/*!
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\file gd32f4xx_syscfg.h
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\brief definitions for the SYSCFG
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*/
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/*
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Copyright (C) 2016 GigaDevice
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2016-08-15, V1.0.0, firmware for GD32F4xx
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*/
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#ifndef GD32F4XX_SYSCFG_H
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#define GD32F4XX_SYSCFG_H
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#include "gd32f4xx.h"
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/* SYSCFG definitions */
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#define SYSCFG SYSCFG_BASE
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/* registers definitions */
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#define SYSCFG_CFG0 REG32(SYSCFG + 0x00U) /*!< system configuration register 0 */
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#define SYSCFG_CFG1 REG32(SYSCFG + 0x04U) /*!< system configuration register 1 */
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#define SYSCFG_EXTISS0 REG32(SYSCFG + 0x08U) /*!< EXTI sources selection register 0 */
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#define SYSCFG_EXTISS1 REG32(SYSCFG + 0x0CU) /*!< EXTI sources selection register 1 */
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#define SYSCFG_EXTISS2 REG32(SYSCFG + 0x10U) /*!< EXTI sources selection register 2 */
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#define SYSCFG_EXTISS3 REG32(SYSCFG + 0x14U) /*!< EXTI sources selection register 3 */
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#define SYSCFG_CPSCTL REG32(SYSCFG + 0x20U) /*!< system I/O compensation control register */
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/* SYSCFG_CFG0 bits definitions */
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#define SYSCFG_CFG0_BOOT_MODE BITS(0,2) /*!< SYSCFG memory remap config */
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#define SYSCFG_CFG0_FMC_SWP BIT(8) /*!< FMC memory swap config */
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#define SYSCFG_CFG0_EXMC_SWP BITS(10,11) /*!< EXMC memory swap config */
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/* SYSCFG_CFG1 bits definitions */
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#define SYSCFG_CFG1_ENET_PHY_SEL BIT(23) /*!< Ethernet PHY selection config */
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/* SYSCFG_EXTISS0 bits definitions */
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#define SYSCFG_EXTISS0_EXTI0_SS BITS(0,3) /*!< EXTI 0 configuration */
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#define SYSCFG_EXTISS0_EXTI1_SS BITS(4,7) /*!< EXTI 1 configuration */
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#define SYSCFG_EXTISS0_EXTI2_SS BITS(8,11) /*!< EXTI 2 configuration */
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#define SYSCFG_EXTISS0_EXTI3_SS BITS(12,15) /*!< EXTI 3 configuration */
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/* SYSCFG_EXTISS1 bits definitions */
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#define SYSCFG_EXTISS1_EXTI4_SS BITS(0,3) /*!< EXTI 4 configuration */
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#define SYSCFG_EXTISS1_EXTI5_SS BITS(4,7) /*!< EXTI 5 configuration */
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#define SYSCFG_EXTISS1_EXTI6_SS BITS(8,11) /*!< EXTI 6 configuration */
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#define SYSCFG_EXTISS1_EXTI7_SS BITS(12,15) /*!< EXTI 7 configuration */
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/* SYSCFG_EXTISS2 bits definitions */
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#define SYSCFG_EXTISS2_EXTI8_SS BITS(0,3) /*!< EXTI 8 configuration */
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#define SYSCFG_EXTISS2_EXTI9_SS BITS(4,7) /*!< EXTI 9 configuration */
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#define SYSCFG_EXTISS2_EXTI10_SS BITS(8,11) /*!< EXTI 10 configuration */
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#define SYSCFG_EXTISS2_EXTI11_SS BITS(12,15) /*!< EXTI 11 configuration */
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/* SYSCFG_EXTISS3 bits definitions */
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#define SYSCFG_EXTISS3_EXTI12_SS BITS(0,3) /*!< EXTI 12 configuration */
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#define SYSCFG_EXTISS3_EXTI13_SS BITS(4,7) /*!< EXTI 13 configuration */
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#define SYSCFG_EXTISS3_EXTI14_SS BITS(8,11) /*!< EXTI 14 configuration */
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#define SYSCFG_EXTISS3_EXTI15_SS BITS(12,15) /*!< EXTI 15 configuration */
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/* SYSCFG_CPSCTL bits definitions */
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#define SYSCFG_CPSCTL_CPS_EN BIT(0) /*!< I/O compensation cell enable */
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#define SYSCFG_CPSCTL_CPS_RDY BIT(8) /*!< I/O compensation cell is ready or not */
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/* constants definitions */
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/* boot mode definitions */
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#define SYSCFG_BOOTMODE_FLASH ((uint8_t)0x00U) /*!< main flash memory remap */
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#define SYSCFG_BOOTMODE_BOOTLOADER ((uint8_t)0x01U) /*!< boot loader remap */
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#define SYSCFG_BOOTMODE_EXMC_SRAM ((uint8_t)0x02U) /*!< SRAM/NOR 0 and 1 of EXMC remap */
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#define SYSCFG_BOOTMODE_SRAM ((uint8_t)0x03U) /*!< SRAM0 of on-chip SRAM remap */
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#define SYSCFG_BOOTMODE_EXMC_SDRAM ((uint8_t)0x04U) /*!< SDRAM bank0 of EXMC remap */
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/* FMC swap definitions */
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#define SYSCFG_FMC_SWP_BANK0 ((uint32_t)0x00000000U) /*!< main flash Bank 0 is mapped at address 0x08000000 */
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#define SYSCFG_FMC_SWP_BANK1 ((uint32_t)0x00000100U) /*!< main flash Bank 1 is mapped at address 0x08000000 */
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/* EXMC swap enable/disable */
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#define SYSCFG_EXMC_SWP_ENABLE ((uint32_t)0x00000400U) /*!< SDRAM bank 0 and bank 1 are swapped with NAND bank 1 and PC card */
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#define SYSCFG_EXMC_SWP_DISABLE ((uint32_t)0x00000000U) /*!< no memory mapping swap */
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/* EXTI source select definition */
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#define EXTISS0 ((uint8_t)0x00U) /*!< EXTI source select GPIOx pin 0~3 */
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#define EXTISS1 ((uint8_t)0x01U) /*!< EXTI source select GPIOx pin 4~7 */
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#define EXTISS2 ((uint8_t)0x02U) /*!< EXTI source select GPIOx pin 8~11 */
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#define EXTISS3 ((uint8_t)0x03U) /*!< EXTI source select GPIOx pin 12~15 */
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/* EXTI source select mask bits definition */
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#define EXTI_SS_MASK BITS(0,3)
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/* EXTI source select jumping step definition */
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#define EXTI_SS_JSTEP ((uint8_t)(0x04U))
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/* EXTI source select moving step definition */
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#define EXTI_SS_MSTEP(pin) (EXTI_SS_JSTEP*((pin)%EXTI_SS_JSTEP))
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/* EXTI source port definitions */
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#define EXTI_SOURCE_GPIOA ((uint8_t)0x00U) /*!< EXTI GPIOA configuration */
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#define EXTI_SOURCE_GPIOB ((uint8_t)0x01U) /*!< EXTI GPIOB configuration */
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#define EXTI_SOURCE_GPIOC ((uint8_t)0x02U) /*!< EXTI GPIOC configuration */
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#define EXTI_SOURCE_GPIOD ((uint8_t)0x03U) /*!< EXTI GPIOD configuration */
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#define EXTI_SOURCE_GPIOE ((uint8_t)0x04U) /*!< EXTI GPIOE configuration */
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#define EXTI_SOURCE_GPIOF ((uint8_t)0x05U) /*!< EXTI GPIOF configuration */
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#define EXTI_SOURCE_GPIOG ((uint8_t)0x06U) /*!< EXTI GPIOG configuration */
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#define EXTI_SOURCE_GPIOH ((uint8_t)0x07U) /*!< EXTI GPIOH configuration */
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#define EXTI_SOURCE_GPIOI ((uint8_t)0x08U) /*!< EXTI GPIOI configuration */
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/* EXTI source pin definitions */
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#define EXTI_SOURCE_PIN0 ((uint8_t)0x00U) /*!< EXTI GPIO pin0 configuration */
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#define EXTI_SOURCE_PIN1 ((uint8_t)0x01U) /*!< EXTI GPIO pin1 configuration */
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#define EXTI_SOURCE_PIN2 ((uint8_t)0x02U) /*!< EXTI GPIO pin2 configuration */
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#define EXTI_SOURCE_PIN3 ((uint8_t)0x03U) /*!< EXTI GPIO pin3 configuration */
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#define EXTI_SOURCE_PIN4 ((uint8_t)0x04U) /*!< EXTI GPIO pin4 configuration */
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#define EXTI_SOURCE_PIN5 ((uint8_t)0x05U) /*!< EXTI GPIO pin5 configuration */
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#define EXTI_SOURCE_PIN6 ((uint8_t)0x06U) /*!< EXTI GPIO pin6 configuration */
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#define EXTI_SOURCE_PIN7 ((uint8_t)0x07U) /*!< EXTI GPIO pin7 configuration */
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#define EXTI_SOURCE_PIN8 ((uint8_t)0x08U) /*!< EXTI GPIO pin8 configuration */
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#define EXTI_SOURCE_PIN9 ((uint8_t)0x09U) /*!< EXTI GPIO pin9 configuration */
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#define EXTI_SOURCE_PIN10 ((uint8_t)0x0AU) /*!< EXTI GPIO pin10 configuration */
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#define EXTI_SOURCE_PIN11 ((uint8_t)0x0BU) /*!< EXTI GPIO pin11 configuration */
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#define EXTI_SOURCE_PIN12 ((uint8_t)0x0CU) /*!< EXTI GPIO pin12 configuration */
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#define EXTI_SOURCE_PIN13 ((uint8_t)0x0DU) /*!< EXTI GPIO pin13 configuration */
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#define EXTI_SOURCE_PIN14 ((uint8_t)0x0EU) /*!< EXTI GPIO pin14 configuration */
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#define EXTI_SOURCE_PIN15 ((uint8_t)0x0FU) /*!< EXTI GPIO pin15 configuration */
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/* ethernet PHY selection */
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#define SYSCFG_ENET_PHY_MII ((uint32_t)0x00000000U)
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#define SYSCFG_ENET_PHY_RMII ((uint32_t)0x00800000U)
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/* I/O compensation cell enable/disable */
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#define SYSCFG_COMPENSATION_ENABLE ((uint32_t)0x00000001U)
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#define SYSCFG_COMPENSATION_DISABLE ((uint32_t)0x00000000U)
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/* function declarations */
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/* deinit syscfg module */
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void syscfg_deinit(void);
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/* configure the boot mode */
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void syscfg_bootmode_config(uint8_t syscfg_bootmode);
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/* FMC memory mapping swap */
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void syscfg_fmc_swap_config(uint32_t syscfg_fmc_swap);
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/* configure the EXMC swap */
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void syscfg_exmc_swap_config(uint32_t syscfg_exmc_swap);
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/* configure the GPIO pin as EXTI Line */
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void syscfg_exti_line_config(uint8_t exti_port, uint8_t exti_pin);
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/* configure the PHY interface for the ethernet MAC */
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void syscfg_enet_phy_interface_config(uint32_t syscfg_enet_phy_interface);
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/* configure the I/O compensation cell */
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void syscfg_compensation_config(uint32_t syscfg_compensation);
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/* check the I/O compensation cell is ready or not */
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FlagStatus syscfg_flag_get(void);
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#endif /* GD32F4XX_SYSCFG_H */
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