linux-imx

/*

 *  Amiga Buddha, Catweasel and X-Surf IDE Driver

 *

 *  Copyright (C) 1997, 2001 by Geert Uytterhoeven and others

 *

 *  This driver was written based on the specifications in README.buddha and

 *  the X-Surf info from Inside_XSurf.txt available at

 *  http://www.jschoenfeld.com

 *

 *  This file is subject to the terms and conditions of the GNU General Public

 *  License.  See the file COPYING in the main directory of this archive for

 *  more details.

 *

 *  TODO:

 *    - test it :-)

 *    - tune the timings using the speed-register

 */

​

#include <linux/types.h>

#include <linux/mm.h>

#include <linux/interrupt.h>

#include <linux/blkdev.h>

#include <linux/zorro.h>

#include <linux/ide.h>

#include <linux/init.h>

#include <linux/module.h>

​

#include <asm/amigahw.h>

#include <asm/amigaints.h>

​

​

    /*

     *  The Buddha has 2 IDE interfaces, the Catweasel has 3, X-Surf has 2

     */

​

#define BUDDHA_NUM_HWIFS    2

#define CATWEASEL_NUM_HWIFS 3

#define XSURF_NUM_HWIFS         2

​

#define MAX_NUM_HWIFS       3

​

    /*

     *  Bases of the IDE interfaces (relative to the board address)

     */

​

#define BUDDHA_BASE1    0x800

#define BUDDHA_BASE2    0xa00

#define BUDDHA_BASE3    0xc00

​

#define XSURF_BASE1     0xb000 /* 2.5" Interface */

#define XSURF_BASE2     0xd000 /* 3.5" Interface */

​

static u_int buddha_bases[CATWEASEL_NUM_HWIFS] __initdata = {

    BUDDHA_BASE1, BUDDHA_BASE2, BUDDHA_BASE3

};

​

static u_int xsurf_bases[XSURF_NUM_HWIFS] __initdata = {

     XSURF_BASE1, XSURF_BASE2

};

​

    /*

     *  Offsets from one of the above bases

     */