[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / bcma / main.c

/*
 * Broadcom specific AMBA
 * Bus subsystem
 *
 * Licensed under the GNU/GPL. See COPYING for details.
 */

#include "bcma_private.h"
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/bcma/bcma.h>
#include <linux/slab.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 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 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 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 struct device_attribute bcma_device_attrs[] = {
	__ATTR_RO(manuf),
	__ATTR_RO(id),
	__ATTR_RO(rev),
	__ATTR_RO(class),
	__ATTR_NULL,
};

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_attrs	= bcma_device_attrs,
};

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(struct bcma_bus *bus, u16 coreid)
{
	struct bcma_device *core;

	list_for_each_entry(core, &bus->cores, list) {
		if (core->id.id == coreid)
			return core;
	}
	return NULL;
}
EXPORT_SYMBOL_GPL(bcma_find_core);

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)
			return core;
	}
	return NULL;
}

static void bcma_release_core_dev(struct device *dev)
{
	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	if (core->io_addr)
		iounmap(core->io_addr);
	if (core->io_wrap)
		iounmap(core->io_wrap);
	kfree(core);
}

static int bcma_register_cores(struct bcma_bus *bus)
{
	struct bcma_device *core;
	int err, dev_id = 0;

	list_for_each_entry(core, &bus->cores, list) {
		/* We support that cores ourself */
		switch (core->id.id) {
		case BCMA_CORE_4706_CHIPCOMMON:
		case BCMA_CORE_CHIPCOMMON:
		case BCMA_CORE_PCI:
		case BCMA_CORE_PCIE:
		case BCMA_CORE_MIPS_74K:
		case BCMA_CORE_4706_MAC_GBIT_COMMON:
			continue;
		}

		/* Only first GMAC core on BCM4706 is connected and working */
		if (core->id.id == BCMA_CORE_4706_MAC_GBIT &&
		    core->core_unit > 0)
			continue;

		core->dev.release = bcma_release_core_dev;
		core->dev.bus = &bcma_bus_type;
		dev_set_name(&core->dev, "bcma%d:%d", bus->num, dev_id);

		switch (bus->hosttype) {
		case BCMA_HOSTTYPE_PCI:
			core->dev.parent = &bus->host_pci->dev;
			core->dma_dev = &bus->host_pci->dev;
			core->irq = bus->host_pci->irq;
			break;
		case BCMA_HOSTTYPE_SOC:
			core->dev.dma_mask = &core->dev.coherent_dma_mask;
			core->dma_dev = &core->dev;
			break;
		case BCMA_HOSTTYPE_SDIO:
			break;
		}

		err = device_register(&core->dev);
		if (err) {
			bcma_err(bus,
				 "Could not register dev for core 0x%03X\n",
				 core->id.id);
			continue;
		}
		core->dev_registered = true;
		dev_id++;
	}

#ifdef CONFIG_BCMA_DRIVER_MIPS
	if (bus->drv_cc.pflash.present) {
		err = platform_device_register(&bcma_pflash_dev);
		if (err)
			bcma_err(bus, "Error registering parallel flash\n");
	}
#endif

#ifdef CONFIG_BCMA_SFLASH
	if (bus->drv_cc.sflash.present) {
		err = platform_device_register(&bcma_sflash_dev);
		if (err)
			bcma_err(bus, "Error registering serial flash\n");
	}
#endif

#ifdef CONFIG_BCMA_NFLASH
	if (bus->drv_cc.nflash.present) {
		err = platform_device_register(&bcma_nflash_dev);
		if (err)
			bcma_err(bus, "Error registering NAND flash\n");
	}
#endif
	err = bcma_gpio_init(&bus->drv_cc);
	if (err == -ENOTSUPP)
		bcma_debug(bus, "GPIO driver not activated\n");
	else if (err)
		bcma_err(bus, "Error registering GPIO driver: %i\n", err);

	if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
		err = bcma_chipco_watchdog_register(&bus->drv_cc);
		if (err)
			bcma_err(bus, "Error registering watchdog driver\n");
	}

	return 0;
}

static void bcma_unregister_cores(struct bcma_bus *bus)
{
	struct bcma_device *core, *tmp;

	list_for_each_entry_safe(core, tmp, &bus->cores, list) {
		list_del(&core->list);
		if (core->dev_registered)
			device_unregister(&core->dev);
	}
	if (bus->hosttype == BCMA_HOSTTYPE_SOC)
		platform_device_unregister(bus->drv_cc.watchdog);
}

int bcma_bus_register(struct bcma_bus *bus)
{
	int err;
	struct bcma_device *core;

	mutex_lock(&bcma_buses_mutex);
	bus->num = bcma_bus_next_num++;
	mutex_unlock(&bcma_buses_mutex);

	/* Scan for devices (cores) */
	err = bcma_bus_scan(bus);
	if (err) {
		bcma_err(bus, "Failed to scan: %d\n", err);
		return -1;
	}

	/* Early init CC core */
	core = bcma_find_core(bus, bcma_cc_core_id(bus));
	if (core) {
		bus->drv_cc.core = core;
		bcma_core_chipcommon_early_init(&bus->drv_cc);
	}

	/* Try to get SPROM */
	err = bcma_sprom_get(bus);
	if (err == -ENOENT) {
		bcma_err(bus, "No SPROM available\n");
	} else if (err)
		bcma_err(bus, "Failed to get SPROM: %d\n", err);

	/* Init CC core */
	core = bcma_find_core(bus, bcma_cc_core_id(bus));
	if (core) {
		bus->drv_cc.core = core;
		bcma_core_chipcommon_init(&bus->drv_cc);
	}

	/* Init MIPS core */
	core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
	if (core) {
		bus->drv_mips.core = core;
		bcma_core_mips_init(&bus->drv_mips);
	}

	/* Init PCIE core */
	core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0);
	if (core) {
		bus->drv_pci[0].core = core;
		bcma_core_pci_init(&bus->drv_pci[0]);
	}

	/* Init PCIE core */
	core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 1);
	if (core) {
		bus->drv_pci[1].core = core;
		bcma_core_pci_init(&bus->drv_pci[1]);
	}

	/* Init GBIT MAC COMMON core */
	core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
	if (core) {
		bus->drv_gmac_cmn.core = core;
		bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn);
	}

	/* Register found cores */
	bcma_register_cores(bus);

	bcma_info(bus, "Bus registered\n");

	return 0;
}

void bcma_bus_unregister(struct bcma_bus *bus)
{
	struct bcma_device *cores[3];
	int err;

	err = bcma_gpio_unregister(&bus->drv_cc);
	if (err == -EBUSY)
		bcma_err(bus, "Some GPIOs are still in use.\n");
	else if (err)
		bcma_err(bus, "Can not unregister GPIO driver: %i\n", err);

	cores[0] = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
	cores[1] = bcma_find_core(bus, BCMA_CORE_PCIE);
	cores[2] = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);

	bcma_unregister_cores(bus);

	kfree(cores[2]);
	kfree(cores[1]);
	kfree(cores[0]);
}

int __init bcma_bus_early_register(struct bcma_bus *bus,
				   struct bcma_device *core_cc,
				   struct bcma_device *core_mips)
{
	int err;
	struct bcma_device *core;
	struct bcma_device_id match;

	bcma_init_bus(bus);

	match.manuf = BCMA_MANUF_BCM;
	match.id = bcma_cc_core_id(bus);
	match.class = BCMA_CL_SIM;
	match.rev = BCMA_ANY_REV;

	/* Scan for chip common core */
	err = bcma_bus_scan_early(bus, &match, core_cc);
	if (err) {
		bcma_err(bus, "Failed to scan for common core: %d\n", err);
		return -1;
	}

	match.manuf = BCMA_MANUF_MIPS;
	match.id = BCMA_CORE_MIPS_74K;
	match.class = BCMA_CL_SIM;
	match.rev = BCMA_ANY_REV;

	/* Scan for mips core */
	err = bcma_bus_scan_early(bus, &match, core_mips);
	if (err) {
		bcma_err(bus, "Failed to scan for mips core: %d\n", err);
		return -1;
	}

	/* Early init CC core */
	core = bcma_find_core(bus, bcma_cc_core_id(bus));
	if (core) {
		bus->drv_cc.core = core;
		bcma_core_chipcommon_early_init(&bus->drv_cc);
	}

	/* Early init MIPS core */
	core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
	if (core) {
		bus->drv_mips.core = core;
		bcma_core_mips_early_init(&bus->drv_mips);
	}

	bcma_info(bus, "Early bus registered\n");

	return 0;
}

#ifdef CONFIG_PM
int bcma_bus_suspend(struct bcma_bus *bus)
{
	struct bcma_device *core;

	list_for_each_entry(core, &bus->cores, list) {
		struct device_driver *drv = core->dev.driver;
		if (drv) {
			struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
			if (adrv->suspend)
				adrv->suspend(core);
		}
	}
	return 0;
}

int bcma_bus_resume(struct bcma_bus *bus)
{
	struct bcma_device *core;

	/* Init CC core */
	if (bus->drv_cc.core) {
		bus->drv_cc.setup_done = false;
		bcma_core_chipcommon_init(&bus->drv_cc);
	}

	list_for_each_entry(core, &bus->cores, list) {
		struct device_driver *drv = core->dev.driver;
		if (drv) {
			struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
			if (adrv->resume)
				adrv->resume(core);
		}
	}

	return 0;
}
#endif

int __bcma_driver_register(struct bcma_driver *drv, struct module *owner)
{
	drv->drv.name = drv->name;
	drv->drv.bus = &bcma_bus_type;
	drv->drv.owner = owner;

	return driver_register(&drv->drv);
}
EXPORT_SYMBOL_GPL(__bcma_driver_register);

void bcma_driver_unregister(struct bcma_driver *drv)
{
	driver_unregister(&drv->drv);
}
EXPORT_SYMBOL_GPL(bcma_driver_unregister);

static int bcma_bus_match(struct device *dev, struct device_driver *drv)
{
	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
	const struct bcma_device_id *cid = &core->id;
	const struct bcma_device_id *did;

	for (did = adrv->id_table; did->manuf || did->id || did->rev; did++) {
	    if ((did->manuf == cid->manuf || did->manuf == BCMA_ANY_MANUF) &&
		(did->id == cid->id || did->id == BCMA_ANY_ID) &&
		(did->rev == cid->rev || did->rev == BCMA_ANY_REV) &&
		(did->class == cid->class || did->class == BCMA_ANY_CLASS))
			return 1;
	}
	return 0;
}

static int bcma_device_probe(struct device *dev)
{
	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
					       drv);
	int err = 0;

	if (adrv->probe)
		err = adrv->probe(core);

	return err;
}

static int bcma_device_remove(struct device *dev)
{
	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
					       drv);

	if (adrv->remove)
		adrv->remove(core);

	return 0;
}

static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env)
{
	struct bcma_device *core = container_of(dev, struct bcma_device, dev);

	return add_uevent_var(env,
			      "MODALIAS=bcma:m%04Xid%04Xrev%02Xcl%02X",
			      core->id.manuf, core->id.id,
			      core->id.rev, core->id.class);
}

static int __init bcma_modinit(void)
{
	int err;

	err = bus_register(&bcma_bus_type);
	if (err)
		return err;

#ifdef CONFIG_BCMA_HOST_PCI
	err = bcma_host_pci_init();
	if (err) {
		pr_err("PCI host initialization failed\n");
		err = 0;
	}
#endif

	return err;
}
fs_initcall(bcma_modinit);

static void __exit bcma_modexit(void)
{
#ifdef CONFIG_BCMA_HOST_PCI
	bcma_host_pci_exit();
#endif
	bus_unregister(&bcma_bus_type);
}
module_exit(bcma_modexit)
Commit	Line	Data
8369ae33 RM	1	/*
	2	* Broadcom specific AMBA
	3	* Bus subsystem
	4	*
	5	* Licensed under the GNU/GPL. See COPYING for details.
	6	*/
	7
	8	#include "bcma_private.h"
200351c7	9	#include <linux/module.h>
d57ef3a6	10	#include <linux/platform_device.h>
8369ae33	11	#include <linux/bcma/bcma.h>
eef72699	12	#include <linux/slab.h>
8369ae33 RM	13
	14	MODULE_DESCRIPTION("Broadcom's specific AMBA driver");
	15	MODULE_LICENSE("GPL");
	16
8f9ada4f HM	17	/* contains the number the next bus should get. */
	18	static unsigned int bcma_bus_next_num = 0;
	19
	20	/* bcma_buses_mutex locks the bcma_bus_next_num */
	21	static DEFINE_MUTEX(bcma_buses_mutex);
	22
8369ae33 RM	23	static int bcma_bus_match(struct device dev, struct device_driver drv);
	24	static int bcma_device_probe(struct device *dev);
	25	static int bcma_device_remove(struct device *dev);
886b66ef	26	static int bcma_device_uevent(struct device dev, struct kobj_uevent_env env);
8369ae33 RM	27
	28	static ssize_t manuf_show(struct device dev, struct device_attribute attr, char *buf)
	29	{
	30	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	31	return sprintf(buf, "0x%03X\n", core->id.manuf);
	32	}
	33	static ssize_t id_show(struct device dev, struct device_attribute attr, char *buf)
	34	{
	35	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	36	return sprintf(buf, "0x%03X\n", core->id.id);
	37	}
	38	static ssize_t rev_show(struct device dev, struct device_attribute attr, char *buf)
	39	{
	40	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	41	return sprintf(buf, "0x%02X\n", core->id.rev);
	42	}
	43	static ssize_t class_show(struct device dev, struct device_attribute attr, char *buf)
	44	{
	45	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	46	return sprintf(buf, "0x%X\n", core->id.class);
	47	}
	48	static struct device_attribute bcma_device_attrs[] = {
	49	__ATTR_RO(manuf),
	50	__ATTR_RO(id),
	51	__ATTR_RO(rev),
	52	__ATTR_RO(class),
	53	__ATTR_NULL,
	54	};
	55
	56	static struct bus_type bcma_bus_type = {
	57	.name = "bcma",
	58	.match = bcma_bus_match,
	59	.probe = bcma_device_probe,
	60	.remove = bcma_device_remove,
886b66ef	61	.uevent = bcma_device_uevent,
8369ae33 RM	62	.dev_attrs = bcma_device_attrs,
	63	};
	64
6d5cfc9f RM	65	static u16 bcma_cc_core_id(struct bcma_bus *bus)
	66	{
	67	if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706)
	68	return BCMA_CORE_4706_CHIPCOMMON;
	69	return BCMA_CORE_CHIPCOMMON;
	70	}
	71
1c9351cf	72	struct bcma_device bcma_find_core(struct bcma_bus bus, u16 coreid)
8369ae33 RM	73	{
	74	struct bcma_device *core;
	75
	76	list_for_each_entry(core, &bus->cores, list) {
	77	if (core->id.id == coreid)
	78	return core;
	79	}
	80	return NULL;
	81	}
1c9351cf	82	EXPORT_SYMBOL_GPL(bcma_find_core);
8369ae33	83
929a03ae HM	84	struct bcma_device bcma_find_core_unit(struct bcma_bus bus, u16 coreid,
929a03ae HM	85	u8 unit)
dfae7143 HM	86	{
	87	struct bcma_device *core;
	88
	89	list_for_each_entry(core, &bus->cores, list) {
	90	if (core->id.id == coreid && core->core_unit == unit)
	91	return core;
	92	}
	93	return NULL;
	94	}
	95
8369ae33 RM	96	static void bcma_release_core_dev(struct device *dev)
	97	{
	98	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
ecd177c2 HM	99	if (core->io_addr)
	100	iounmap(core->io_addr);
	101	if (core->io_wrap)
	102	iounmap(core->io_wrap);
8369ae33 RM	103	kfree(core);
	104	}
	105
	106	static int bcma_register_cores(struct bcma_bus *bus)
	107	{
	108	struct bcma_device *core;
	109	int err, dev_id = 0;
	110
	111	list_for_each_entry(core, &bus->cores, list) {
	112	/* We support that cores ourself */
	113	switch (core->id.id) {
6d5cfc9f	114	case BCMA_CORE_4706_CHIPCOMMON:
8369ae33 RM	115	case BCMA_CORE_CHIPCOMMON:
	116	case BCMA_CORE_PCI:
	117	case BCMA_CORE_PCIE:
21e0534a	118	case BCMA_CORE_MIPS_74K:
e1ac4b40	119	case BCMA_CORE_4706_MAC_GBIT_COMMON:
8369ae33 RM	120	continue;
	121	}
	122
10419d08 RM	123	/* Only first GMAC core on BCM4706 is connected and working */
	124	if (core->id.id == BCMA_CORE_4706_MAC_GBIT &&
	125	core->core_unit > 0)
	126	continue;
	127
8369ae33 RM	128	core->dev.release = bcma_release_core_dev;
8369ae33 RM	129	core->dev.bus = &bcma_bus_type;
8f9ada4f	130	dev_set_name(&core->dev, "bcma%d:%d", bus->num, dev_id);
8369ae33 RM	131
	132	switch (bus->hosttype) {
	133	case BCMA_HOSTTYPE_PCI:
	134	core->dev.parent = &bus->host_pci->dev;
1bdcd095 RM	135	core->dma_dev = &bus->host_pci->dev;
1bdcd095 RM	136	core->irq = bus->host_pci->irq;
8369ae33	137	break;
ecd177c2 HM	138	case BCMA_HOSTTYPE_SOC:
	139	core->dev.dma_mask = &core->dev.coherent_dma_mask;
	140	core->dma_dev = &core->dev;
	141	break;
8369ae33 RM	142	case BCMA_HOSTTYPE_SDIO:
	143	break;
	144	}
	145
	146	err = device_register(&core->dev);
	147	if (err) {
3d9d8af3 RM	148	bcma_err(bus,
	149	"Could not register dev for core 0x%03X\n",
	150	core->id.id);
8369ae33 RM	151	continue;
	152	}
	153	core->dev_registered = true;
	154	dev_id++;
	155	}
	156
73e4dbe4 RM	157	#ifdef CONFIG_BCMA_DRIVER_MIPS
	158	if (bus->drv_cc.pflash.present) {
	159	err = platform_device_register(&bcma_pflash_dev);
	160	if (err)
	161	bcma_err(bus, "Error registering parallel flash\n");
	162	}
	163	#endif
	164
d57ef3a6 RM	165	#ifdef CONFIG_BCMA_SFLASH
	166	if (bus->drv_cc.sflash.present) {
	167	err = platform_device_register(&bcma_sflash_dev);
	168	if (err)
	169	bcma_err(bus, "Error registering serial flash\n");
	170	}
	171	#endif
	172
371a0044 RM	173	#ifdef CONFIG_BCMA_NFLASH
	174	if (bus->drv_cc.nflash.present) {
	175	err = platform_device_register(&bcma_nflash_dev);
	176	if (err)
	177	bcma_err(bus, "Error registering NAND flash\n");
	178	}
	179	#endif
cf0936b0 HM	180	err = bcma_gpio_init(&bus->drv_cc);
	181	if (err == -ENOTSUPP)
	182	bcma_debug(bus, "GPIO driver not activated\n");
	183	else if (err)
	184	bcma_err(bus, "Error registering GPIO driver: %i\n", err);
371a0044	185
a4855f39 HM	186	if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
	187	err = bcma_chipco_watchdog_register(&bus->drv_cc);
	188	if (err)
	189	bcma_err(bus, "Error registering watchdog driver\n");
	190	}
	191
8369ae33 RM	192	return 0;
	193	}
	194
	195	static void bcma_unregister_cores(struct bcma_bus *bus)
	196	{
1fffa905	197	struct bcma_device core, tmp;
8369ae33	198
1fffa905 PH	199	list_for_each_entry_safe(core, tmp, &bus->cores, list) {
1fffa905 PH	200	list_del(&core->list);
8369ae33 RM	201	if (core->dev_registered)
	202	device_unregister(&core->dev);
	203	}
a4855f39 HM	204	if (bus->hosttype == BCMA_HOSTTYPE_SOC)
a4855f39 HM	205	platform_device_unregister(bus->drv_cc.watchdog);
8369ae33 RM	206	}
8369ae33 RM	207
0f58a01d	208	int bcma_bus_register(struct bcma_bus *bus)
8369ae33 RM	209	{
	210	int err;
	211	struct bcma_device *core;
	212
8f9ada4f HM	213	mutex_lock(&bcma_buses_mutex);
	214	bus->num = bcma_bus_next_num++;
	215	mutex_unlock(&bcma_buses_mutex);
	216
8369ae33 RM	217	/* Scan for devices (cores) */
	218	err = bcma_bus_scan(bus);
	219	if (err) {
3d9d8af3	220	bcma_err(bus, "Failed to scan: %d\n", err);
8369ae33 RM	221	return -1;
	222	}
	223
30cfb023 HM	224	/* Early init CC core */
	225	core = bcma_find_core(bus, bcma_cc_core_id(bus));
	226	if (core) {
	227	bus->drv_cc.core = core;
	228	bcma_core_chipcommon_early_init(&bus->drv_cc);
	229	}
	230
	231	/* Try to get SPROM */
	232	err = bcma_sprom_get(bus);
	233	if (err == -ENOENT) {
	234	bcma_err(bus, "No SPROM available\n");
	235	} else if (err)
	236	bcma_err(bus, "Failed to get SPROM: %d\n", err);
	237
8369ae33	238	/* Init CC core */
6d5cfc9f	239	core = bcma_find_core(bus, bcma_cc_core_id(bus));
8369ae33 RM	240	if (core) {
	241	bus->drv_cc.core = core;
	242	bcma_core_chipcommon_init(&bus->drv_cc);
	243	}
	244
21e0534a HM	245	/* Init MIPS core */
	246	core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
	247	if (core) {
	248	bus->drv_mips.core = core;
	249	bcma_core_mips_init(&bus->drv_mips);
	250	}
	251
8369ae33	252	/* Init PCIE core */
dfae7143 HM	253	core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0);
	254	if (core) {
	255	bus->drv_pci[0].core = core;
	256	bcma_core_pci_init(&bus->drv_pci[0]);
	257	}
	258
	259	/* Init PCIE core */
	260	core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 1);
8369ae33	261	if (core) {
dfae7143 HM	262	bus->drv_pci[1].core = core;
dfae7143 HM	263	bcma_core_pci_init(&bus->drv_pci[1]);
8369ae33 RM	264	}
8369ae33 RM	265
e1ac4b40 RM	266	/* Init GBIT MAC COMMON core */
	267	core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
	268	if (core) {
	269	bus->drv_gmac_cmn.core = core;
	270	bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn);
	271	}
	272
8369ae33 RM	273	/* Register found cores */
	274	bcma_register_cores(bus);
	275
3d9d8af3	276	bcma_info(bus, "Bus registered\n");
8369ae33 RM	277
	278	return 0;
	279	}
8369ae33 RM	280
	281	void bcma_bus_unregister(struct bcma_bus *bus)
	282	{
ee915927	283	struct bcma_device *cores[3];
c50ae947 HM	284	int err;
	285
	286	err = bcma_gpio_unregister(&bus->drv_cc);
	287	if (err == -EBUSY)
	288	bcma_err(bus, "Some GPIOs are still in use.\n");
	289	else if (err)
	290	bcma_err(bus, "Can not unregister GPIO driver: %i\n", err);
ee915927 SSJ	291
	292	cores[0] = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
	293	cores[1] = bcma_find_core(bus, BCMA_CORE_PCIE);
	294	cores[2] = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
	295
8369ae33	296	bcma_unregister_cores(bus);
ee915927 SSJ	297
	298	kfree(cores[2]);
	299	kfree(cores[1]);
	300	kfree(cores[0]);
8369ae33	301	}
8369ae33	302
517f43e5 HM	303	int __init bcma_bus_early_register(struct bcma_bus *bus,
	304	struct bcma_device *core_cc,
	305	struct bcma_device *core_mips)
	306	{
	307	int err;
	308	struct bcma_device *core;
	309	struct bcma_device_id match;
	310
	311	bcma_init_bus(bus);
	312
	313	match.manuf = BCMA_MANUF_BCM;
6d5cfc9f	314	match.id = bcma_cc_core_id(bus);
517f43e5 HM	315	match.class = BCMA_CL_SIM;
	316	match.rev = BCMA_ANY_REV;
	317
	318	/* Scan for chip common core */
	319	err = bcma_bus_scan_early(bus, &match, core_cc);
	320	if (err) {
3d9d8af3	321	bcma_err(bus, "Failed to scan for common core: %d\n", err);
517f43e5 HM	322	return -1;
	323	}
	324
	325	match.manuf = BCMA_MANUF_MIPS;
	326	match.id = BCMA_CORE_MIPS_74K;
	327	match.class = BCMA_CL_SIM;
	328	match.rev = BCMA_ANY_REV;
	329
	330	/* Scan for mips core */
	331	err = bcma_bus_scan_early(bus, &match, core_mips);
	332	if (err) {
3d9d8af3	333	bcma_err(bus, "Failed to scan for mips core: %d\n", err);
517f43e5 HM	334	return -1;
	335	}
	336
49655bb8	337	/* Early init CC core */
6d5cfc9f	338	core = bcma_find_core(bus, bcma_cc_core_id(bus));
517f43e5 HM	339	if (core) {
517f43e5 HM	340	bus->drv_cc.core = core;
49655bb8	341	bcma_core_chipcommon_early_init(&bus->drv_cc);
517f43e5 HM	342	}
517f43e5 HM	343
49655bb8	344	/* Early init MIPS core */
21e0534a HM	345	core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
	346	if (core) {
	347	bus->drv_mips.core = core;
49655bb8	348	bcma_core_mips_early_init(&bus->drv_mips);
21e0534a HM	349	}
21e0534a HM	350
3d9d8af3	351	bcma_info(bus, "Early bus registered\n");
517f43e5 HM	352
	353	return 0;
	354	}
	355
775ab521	356	#ifdef CONFIG_PM
685a4ef0 LT	357	int bcma_bus_suspend(struct bcma_bus *bus)
685a4ef0 LT	358	{
7d5869e7 LT	359	struct bcma_device *core;
	360
	361	list_for_each_entry(core, &bus->cores, list) {
	362	struct device_driver *drv = core->dev.driver;
	363	if (drv) {
	364	struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
	365	if (adrv->suspend)
	366	adrv->suspend(core);
	367	}
	368	}
685a4ef0 LT	369	return 0;
	370	}
	371
775ab521 RM	372	int bcma_bus_resume(struct bcma_bus *bus)
	373	{
	374	struct bcma_device *core;
	375
	376	/* Init CC core */
6d5cfc9f	377	if (bus->drv_cc.core) {
775ab521 RM	378	bus->drv_cc.setup_done = false;
	379	bcma_core_chipcommon_init(&bus->drv_cc);
	380	}
	381
7d5869e7 LT	382	list_for_each_entry(core, &bus->cores, list) {
	383	struct device_driver *drv = core->dev.driver;
	384	if (drv) {
	385	struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
	386	if (adrv->resume)
	387	adrv->resume(core);
	388	}
	389	}
	390
775ab521 RM	391	return 0;
	392	}
	393	#endif
	394
8369ae33 RM	395	int __bcma_driver_register(struct bcma_driver drv, struct module owner)
	396	{
	397	drv->drv.name = drv->name;
	398	drv->drv.bus = &bcma_bus_type;
	399	drv->drv.owner = owner;
	400
	401	return driver_register(&drv->drv);
	402	}
	403	EXPORT_SYMBOL_GPL(__bcma_driver_register);
	404
	405	void bcma_driver_unregister(struct bcma_driver *drv)
	406	{
	407	driver_unregister(&drv->drv);
	408	}
	409	EXPORT_SYMBOL_GPL(bcma_driver_unregister);
	410
	411	static int bcma_bus_match(struct device dev, struct device_driver drv)
	412	{
	413	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	414	struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
	415	const struct bcma_device_id *cid = &core->id;
	416	const struct bcma_device_id *did;
	417
	418	for (did = adrv->id_table; did->manuf \|\| did->id \|\| did->rev; did++) {
	419	if ((did->manuf == cid->manuf \|\| did->manuf == BCMA_ANY_MANUF) &&
	420	(did->id == cid->id \|\| did->id == BCMA_ANY_ID) &&
	421	(did->rev == cid->rev \|\| did->rev == BCMA_ANY_REV) &&
	422	(did->class == cid->class \|\| did->class == BCMA_ANY_CLASS))
	423	return 1;
	424	}
	425	return 0;
	426	}
	427
	428	static int bcma_device_probe(struct device *dev)
	429	{
	430	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	431	struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
	432	drv);
	433	int err = 0;
	434
	435	if (adrv->probe)
	436	err = adrv->probe(core);
	437
	438	return err;
	439	}
	440
	441	static int bcma_device_remove(struct device *dev)
	442	{
	443	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	444	struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
	445	drv);
	446
	447	if (adrv->remove)
	448	adrv->remove(core);
	449
	450	return 0;
	451	}
	452
886b66ef DW	453	static int bcma_device_uevent(struct device dev, struct kobj_uevent_env env)
	454	{
	455	struct bcma_device *core = container_of(dev, struct bcma_device, dev);
	456
	457	return add_uevent_var(env,
	458	"MODALIAS=bcma:m%04Xid%04Xrev%02Xcl%02X",
	459	core->id.manuf, core->id.id,
	460	core->id.rev, core->id.class);
	461	}
	462
8369ae33 RM	463	static int __init bcma_modinit(void)
	464	{
	465	int err;
	466
	467	err = bus_register(&bcma_bus_type);
	468	if (err)
	469	return err;
	470
	471	#ifdef CONFIG_BCMA_HOST_PCI
	472	err = bcma_host_pci_init();
	473	if (err) {
	474	pr_err("PCI host initialization failed\n");
	475	err = 0;
	476	}
	477	#endif
	478
	479	return err;
	480	}
	481	fs_initcall(bcma_modinit);
	482
	483	static void __exit bcma_modexit(void)
	484	{
	485	#ifdef CONFIG_BCMA_HOST_PCI
	486	bcma_host_pci_exit();
	487	#endif
	488	bus_unregister(&bcma_bus_type);
	489	}
	490	module_exit(bcma_modexit)