1 /* 2 * (C) Copyright 2000 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #ifndef _IDE_H 9 #define _IDE_H 10 11 #include <blk.h> 12 13 #define IDE_BUS(dev) (dev / (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS)) 14 15 #define ATA_CURR_BASE(dev) (CONFIG_SYS_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)]) 16 extern ulong ide_bus_offset[]; 17 18 #ifdef CONFIG_IDE_LED 19 20 /* 21 * LED Port 22 */ 23 #define LED_PORT ((uchar *)(PER8_BASE + 0x3000)) 24 #define LED_IDE1 0x01 25 #define LED_IDE2 0x02 26 #define DEVICE_LED(d) ((d & 2) | ((d & 2) == 0)) /* depends on bit positions! */ 27 28 void ide_led(uchar led, uchar status); 29 #endif /* CONFIG_IDE_LED */ 30 31 /* 32 * Function Prototypes 33 */ 34 35 void ide_init(void); 36 struct blk_desc; 37 struct udevice; 38 #ifdef CONFIG_BLK 39 ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, 40 void *buffer); 41 ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, 42 const void *buffer); 43 #else 44 ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt, 45 void *buffer); 46 ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt, 47 const void *buffer); 48 #endif 49 50 #ifdef CONFIG_IDE_PREINIT 51 int ide_preinit(void); 52 #endif 53 54 #if defined(CONFIG_OF_IDE_FIXUP) 55 int ide_device_present(int dev); 56 #endif 57 58 #if defined(CONFIG_IDE_AHB) 59 unsigned char ide_read_register(int dev, unsigned int port); 60 void ide_write_register(int dev, unsigned int port, unsigned char val); 61 void ide_read_data(int dev, ulong *sect_buf, int words); 62 void ide_write_data(int dev, const ulong *sect_buf, int words); 63 #endif 64 65 /* 66 * I/O function overrides 67 */ 68 unsigned char ide_inb(int dev, int port); 69 void ide_outb(int dev, int port, unsigned char val); 70 void ide_input_swap_data(int dev, ulong *sect_buf, int words); 71 void ide_input_data(int dev, ulong *sect_buf, int words); 72 void ide_output_data(int dev, const ulong *sect_buf, int words); 73 void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts); 74 void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts); 75 76 void ide_led(uchar led, uchar status); 77 78 /** 79 * board_start_ide() - Start up the board IDE interfac 80 * 81 * @return 0 if ok 82 */ 83 int board_start_ide(void); 84 85 #endif /* _IDE_H */ 86