linux-imx

/*

 * Broadcom specific AMBA

 * Bus subsystem

 *

 * Licensed under the GNU/GPL. See COPYING for details.

 */

​

#include "bcma_private.h"

#include <linux/module.h>

#include <linux/mmc/sdio_func.h>

#include <linux/platform_device.h>

#include <linux/pci.h>

#include <linux/bcma/bcma.h>

#include <linux/slab.h>

#include <linux/of_address.h>

#include <linux/of_irq.h>

#include <linux/of_platform.h>

​

MODULE_DESCRIPTION("Broadcom's specific AMBA driver");

MODULE_LICENSE("GPL");

​

/* contains the number the next bus should get. */

static unsigned int bcma_bus_next_num = 0;

​

/* bcma_buses_mutex locks the bcma_bus_next_num */

static DEFINE_MUTEX(bcma_buses_mutex);

​

static int bcma_bus_match(struct device *dev, struct device_driver *drv);

static int bcma_device_probe(struct device *dev);

static int bcma_device_remove(struct device *dev);

static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env);

​

static ssize_t manuf_show(struct device *dev, struct device_attribute *attr, char *buf)

{

    struct bcma_device *core = container_of(dev, struct bcma_device, dev);

    return sprintf(buf, "0x%03X\n", core->id.manuf);

}

static DEVICE_ATTR_RO(manuf);

​

static ssize_t id_show(struct device *dev, struct device_attribute *attr, char *buf)

{

    struct bcma_device *core = container_of(dev, struct bcma_device, dev);

    return sprintf(buf, "0x%03X\n", core->id.id);

}

static DEVICE_ATTR_RO(id);

​

static ssize_t rev_show(struct device *dev, struct device_attribute *attr, char *buf)

{

    struct bcma_device *core = container_of(dev, struct bcma_device, dev);

    return sprintf(buf, "0x%02X\n", core->id.rev);

}

static DEVICE_ATTR_RO(rev);

​

static ssize_t class_show(struct device *dev, struct device_attribute *attr, char *buf)

{

    struct bcma_device *core = container_of(dev, struct bcma_device, dev);

    return sprintf(buf, "0x%X\n", core->id.class);

}

static DEVICE_ATTR_RO(class);

​

static struct attribute *bcma_device_attrs[] = {

    &dev_attr_manuf.attr,

    &dev_attr_id.attr,

    &dev_attr_rev.attr,

    &dev_attr_class.attr,

    NULL,

};

ATTRIBUTE_GROUPS(bcma_device);

​

static struct bus_type bcma_bus_type = {

    .name       = "bcma",

    .match      = bcma_bus_match,

    .probe      = bcma_device_probe,

    .remove     = bcma_device_remove,

    .uevent     = bcma_device_uevent,

    .dev_groups = bcma_device_groups,

};

​

static u16 bcma_cc_core_id(struct bcma_bus *bus)

{

    if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706)

        return BCMA_CORE_4706_CHIPCOMMON;

    return BCMA_CORE_CHIPCOMMON;

}

​

struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid,

                    u8 unit)

{

    struct bcma_device *core;

​

    list_for_each_entry(core, &bus->cores, list) {

        if (core->id.id == coreid && core->core_unit == unit)