96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
/*
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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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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef _IDE_H
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#define _IDE_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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#ifdef CONFIG_IDE_LED
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/*
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* LED Port
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*/
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#define LED_PORT ((uchar *)(PER8_BASE + 0x3000))
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#define LED_IDE1 0x01
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#define LED_IDE2 0x02
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#define DEVICE_LED(d) ((d & 2) | ((d & 2) == 0)) /* depends on bit positions! */
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#endif /* CONFIG_IDE_LED */
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#ifdef CONFIG_SYS_64BIT_LBA
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typedef uint64_t lbaint_t;
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#define LBAF "%llx"
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#else
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typedef ulong lbaint_t;
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#define LBAF "%lx"
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#endif
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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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ulong ide_read(int device, ulong blknr, lbaint_t blkcnt, void *buffer);
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ulong ide_write(int device, ulong blknr, lbaint_t blkcnt, const void *buffer);
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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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#ifdef CONFIG_IDE_INIT_POSTRESET
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int ide_init_postreset(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, 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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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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/**
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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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