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