linux-imx

/*

 * Support for IDE interfaces on PowerMacs.

 *

 * These IDE interfaces are memory-mapped and have a DBDMA channel

 * for doing DMA.

 *

 *  Copyright (C) 1998-2003 Paul Mackerras & Ben. Herrenschmidt

 *  Copyright (C) 2007-2008 Bartlomiej Zolnierkiewicz

 *

 *  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.

 *

 * Some code taken from drivers/ide/ide-dma.c:

 *

 *  Copyright (c) 1995-1998  Mark Lord

 *

 * TODO: - Use pre-calculated (kauai) timing tables all the time and

 * get rid of the "rounded" tables used previously, so we have the

 * same table format for all controllers and can then just have one

 * big table

 * 

 */

#include <linux/types.h>

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/delay.h>

#include <linux/ide.h>

#include <linux/notifier.h>

#include <linux/module.h>

#include <linux/reboot.h>

#include <linux/pci.h>

#include <linux/adb.h>

#include <linux/pmu.h>

#include <linux/scatterlist.h>

#include <linux/slab.h>

​

#include <asm/prom.h>

#include <asm/io.h>

#include <asm/dbdma.h>

#include <asm/ide.h>

#include <asm/machdep.h>

#include <asm/pmac_feature.h>

#include <asm/sections.h>

#include <asm/irq.h>

#include <asm/mediabay.h>

​

#define DRV_NAME "ide-pmac"

​

#undef IDE_PMAC_DEBUG

​

#define DMA_WAIT_TIMEOUT    50

​

typedef struct pmac_ide_hwif {

    unsigned long           regbase;

    int             irq;

    int             kind;

    int             aapl_bus_id;

    unsigned            broken_dma : 1;

    unsigned            broken_dma_warn : 1;

    struct device_node*     node;

    struct macio_dev        *mdev;