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README.arm64

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  • Forked from Reform / reform-boundary-uboot
    Source project has a limited visibility.
    ide.h NaN GiB
    /*
     * (C) Copyright 2000
     * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
     *
     * See file CREDITS for list of people who contributed to this
     * project.
     *
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License as
     * published by the Free Software Foundation; either version 2 of
     * the License, or (at your option) any later version.
     *
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     * GNU General Public License for more details.
     *
     * You should have received a copy of the GNU General Public License
     * along with this program; if not, write to the Free Software
     * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
     * MA 02111-1307 USA
     */
    
    #ifndef	_IDE_H
    #define _IDE_H
    
    #define	IDE_BUS(dev)	(dev >> 1)
    
    #define	ATA_CURR_BASE(dev)	(CONFIG_SYS_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
    
    #ifdef CONFIG_IDE_LED
    
    /*
     * LED Port
     */
    #define	LED_PORT	((uchar *)(PER8_BASE + 0x3000))
    #define LED_IDE1	0x01
    #define LED_IDE2	0x02
    #define	DEVICE_LED(d)	((d & 2) | ((d & 2) == 0)) /* depends on bit positions! */
    
    #endif /* CONFIG_IDE_LED */
    
    #ifdef CONFIG_SYS_64BIT_LBA
    typedef uint64_t lbaint_t;
    #else
    typedef ulong lbaint_t;
    #endif
    
    /*
     * Function Prototypes
     */
    
    void ide_init(void);
    ulong ide_read(int device, lbaint_t blknr, ulong blkcnt, void *buffer);
    ulong ide_write(int device, lbaint_t blknr, ulong blkcnt, void *buffer);
    
    #if defined(CONFIG_OF_IDE_FIXUP)
    int ide_device_present(int dev);
    #endif
    #endif /* _IDE_H */