72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
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/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*/
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#ifndef _IDE_H
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#define _IDE_H
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#include <blk.h>
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#define IDE_BUS(dev) (dev / (CONFIG_SYS_IDE_MAXDEVICE / CONFIG_SYS_IDE_MAXBUS))
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#define ATA_CURR_BASE(dev) (CONFIG_SYS_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
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extern ulong ide_bus_offset[];
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/*
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* Function Prototypes
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*/
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void ide_init(void);
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struct blk_desc;
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struct udevice;
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#ifdef CONFIG_BLK
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ulong ide_read(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
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void *buffer);
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ulong ide_write(struct udevice *dev, lbaint_t blknr, lbaint_t blkcnt,
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const void *buffer);
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#else
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ulong ide_read(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
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void *buffer);
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ulong ide_write(struct blk_desc *block_dev, lbaint_t blknr, lbaint_t blkcnt,
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const void *buffer);
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#endif
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#ifdef CONFIG_IDE_PREINIT
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int ide_preinit(void);
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#endif
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#if defined(CONFIG_OF_IDE_FIXUP)
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int ide_device_present(int dev);
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#endif
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#if defined(CONFIG_IDE_AHB)
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unsigned char ide_read_register(int dev, unsigned int port);
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void ide_write_register(int dev, unsigned int port, unsigned char val);
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void ide_read_data(int dev, ulong *sect_buf, int words);
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void ide_write_data(int dev, const ulong *sect_buf, int words);
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#endif
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/*
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* I/O function overrides
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*/
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unsigned char ide_inb(int dev, int port);
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void ide_outb(int dev, int port, unsigned char val);
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void ide_input_swap_data(int dev, ulong *sect_buf, int words);
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void ide_input_data(int dev, ulong *sect_buf, int words);
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void ide_output_data(int dev, const ulong *sect_buf, int words);
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void ide_input_data_shorts(int dev, ushort *sect_buf, int shorts);
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void ide_output_data_shorts(int dev, ushort *sect_buf, int shorts);
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void ide_led(uchar led, uchar status);
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/**
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* board_start_ide() - Start up the board IDE interfac
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*
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* @return 0 if ok
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*/
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int board_start_ide(void);
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#endif /* _IDE_H */
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