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 /* 19 * Function Prototypes 20 */ 21 22 void ide_init(void); 23 struct blk_desc; 24 struct udevice; 25 #ifdef CONFIG_BLK 26 ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, 27 void *buffer); 28 ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, 29 const void *buffer); 30 #else 31 ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt, 32 void *buffer); 33 ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt, 34 const void *buffer); 35 #endif 36 37 #ifdef CONFIG_IDE_PREINIT 38 int ide_preinit(void); 39 #endif 40 41 #if defined(CONFIG_OF_IDE_FIXUP) 42 int ide_device_present(int dev); 43 #endif 44 45 #if defined(CONFIG_IDE_AHB) 46 unsigned char ide_read_register(int dev, unsigned int port); 47 void ide_write_register(int dev, unsigned int port, unsigned char val); 48 void ide_read_data(int dev, ulong *sect_buf, int words); 49 void ide_write_data(int dev, const ulong *sect_buf, int words); 50 #endif 51 52 /* 53 * I/O function overrides 54 */ 55 unsigned char ide_inb(int dev, int port); 56 void ide_outb(int dev, int port, unsigned char val); 57 void ide_input_swap_data(int dev, ulong *sect_buf, int words); 58 void ide_input_data(int dev, ulong *sect_buf, int words); 59 void ide_output_data(int dev, const ulong *sect_buf, int words); 60 void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts); 61 void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts); 62 63 void ide_led(uchar led, uchar status); 64 65 /** 66 * board_start_ide() - Start up the board IDE interfac 67 * 68 * @return 0 if ok 69 */ 70 int board_start_ide(void); 71 72 #endif /* _IDE_H */ 73