1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * (C) Copyright 2000 3*4882a593Smuzhiyun * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef _IDE_H 9*4882a593Smuzhiyun #define _IDE_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #include <blk.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #define IDE_BUS(dev) (dev / (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS)) 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #define ATA_CURR_BASE(dev) (CONFIG_SYS_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)]) 16*4882a593Smuzhiyun extern ulong ide_bus_offset[]; 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun /* 19*4882a593Smuzhiyun * Function Prototypes 20*4882a593Smuzhiyun */ 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun void ide_init(void); 23*4882a593Smuzhiyun struct blk_desc; 24*4882a593Smuzhiyun struct udevice; 25*4882a593Smuzhiyun #ifdef CONFIG_BLK 26*4882a593Smuzhiyun ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, 27*4882a593Smuzhiyun void *buffer); 28*4882a593Smuzhiyun ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt, 29*4882a593Smuzhiyun const void *buffer); 30*4882a593Smuzhiyun #else 31*4882a593Smuzhiyun ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt, 32*4882a593Smuzhiyun void *buffer); 33*4882a593Smuzhiyun ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt, 34*4882a593Smuzhiyun const void *buffer); 35*4882a593Smuzhiyun #endif 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun #ifdef CONFIG_IDE_PREINIT 38*4882a593Smuzhiyun int ide_preinit(void); 39*4882a593Smuzhiyun #endif 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun #if defined(CONFIG_OF_IDE_FIXUP) 42*4882a593Smuzhiyun int ide_device_present(int dev); 43*4882a593Smuzhiyun #endif 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun #if defined(CONFIG_IDE_AHB) 46*4882a593Smuzhiyun unsigned char ide_read_register(int dev, unsigned int port); 47*4882a593Smuzhiyun void ide_write_register(int dev, unsigned int port, unsigned char val); 48*4882a593Smuzhiyun void ide_read_data(int dev, ulong *sect_buf, int words); 49*4882a593Smuzhiyun void ide_write_data(int dev, const ulong *sect_buf, int words); 50*4882a593Smuzhiyun #endif 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun /* 53*4882a593Smuzhiyun * I/O function overrides 54*4882a593Smuzhiyun */ 55*4882a593Smuzhiyun unsigned char ide_inb(int dev, int port); 56*4882a593Smuzhiyun void ide_outb(int dev, int port, unsigned char val); 57*4882a593Smuzhiyun void ide_input_swap_data(int dev, ulong *sect_buf, int words); 58*4882a593Smuzhiyun void ide_input_data(int dev, ulong *sect_buf, int words); 59*4882a593Smuzhiyun void ide_output_data(int dev, const ulong *sect_buf, int words); 60*4882a593Smuzhiyun void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts); 61*4882a593Smuzhiyun void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts); 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun void ide_led(uchar led, uchar status); 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun /** 66*4882a593Smuzhiyun * board_start_ide() - Start up the board IDE interfac 67*4882a593Smuzhiyun * 68*4882a593Smuzhiyun * @return 0 if ok 69*4882a593Smuzhiyun */ 70*4882a593Smuzhiyun int board_start_ide(void); 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun #endif /* _IDE_H */ 73