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gpio.h
Package: ixp425_spi.rar [view]
Upload User: beauty0755
Upload Date: 2022-02-24
Package Size: 7k
Code Size: 2k
Category:
Driver develop
Development Platform:
Unix_Linux
- /*------------------------------------------*/
- /* GPIO I/F */
- /*------------------------------------------*/
- //#define IXP4XX_DEBUG_UART_BASE_PHYS (0xC8000000)
- #define IXP4XX_GPIO_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x4000)
- //#define IXP4XX_PERIPHERAL_BASE_VIRT (0xFF000000)
- #define IXP4XX_GPIO_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x4000)
- /*
- * Constants to make it easy to access GPIO registers
- */
- #define IXP4XX_GPIO_GPOUTR_OFFSET 0x00
- #define IXP4XX_GPIO_GPOER_OFFSET 0x04
- #define IXP4XX_GPIO_GPINR_OFFSET 0x08
- #define IXP4XX_GPIO_GPISR_OFFSET 0x0C
- #define IXP4XX_GPIO_GPIT1R_OFFSET 0x10
- #define IXP4XX_GPIO_GPIT2R_OFFSET 0x14
- #define IXP4XX_GPIO_GPCLKR_OFFSET 0x18
- #define IXP4XX_GPIO_GPDBSELR_OFFSET 0x1C
- /*
- * GPIO Register Definitions.
- * [Only perform 32bit reads/writes]
- */
- #define IXP4XX_GPIO_REG(x) ((volatile u32 *)(IXP4XX_GPIO_BASE_VIRT+(x)))
- #define IXP4XX_GPIO_GPOUTR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPOUTR_OFFSET)
- #define IXP4XX_GPIO_GPOER IXP4XX_GPIO_REG(IXP4XX_GPIO_GPOER_OFFSET)
- #define IXP4XX_GPIO_GPINR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPINR_OFFSET)
- #define IXP4XX_GPIO_GPISR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPISR_OFFSET)
- #define IXP4XX_GPIO_GPIT1R IXP4XX_GPIO_REG(IXP4XX_GPIO_GPIT1R_OFFSET)
- #define IXP4XX_GPIO_GPIT2R IXP4XX_GPIO_REG(IXP4XX_GPIO_GPIT2R_OFFSET)
- #define IXP4XX_GPIO_GPCLKR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPCLKR_OFFSET)
- #define IXP4XX_GPIO_GPDBSELR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPDBSELR_OFFSET)
- #define FAST_INTERVAL 1*HZ/2
- #define SLOW_INTERVAL HZ