[deliverable/linux.git] / arch / mips / bcm47xx / setup.c

/*
 *  Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
 *  Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
 *  Copyright (C) 2006 Michael Buesch <m@bues.ch>
 *  Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org>
 *  Copyright (C) 2010-2012 Hauke Mehrtens <hauke@hauke-m.de>
 *
 *  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  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *  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.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <linux/export.h>
#include <linux/types.h>
#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_embedded.h>
#include <linux/bcma/bcma_soc.h>
#include <asm/bootinfo.h>
#include <asm/idle.h>
#include <asm/prom.h>
#include <asm/reboot.h>
#include <asm/time.h>
#include <bcm47xx.h>
#include <bcm47xx_nvram.h>
#include <bcm47xx_board.h>

union bcm47xx_bus bcm47xx_bus;
EXPORT_SYMBOL(bcm47xx_bus);

enum bcm47xx_bus_type bcm47xx_bus_type;
EXPORT_SYMBOL(bcm47xx_bus_type);

static void bcm47xx_machine_restart(char *command)
{
	printk(KERN_ALERT "Please stand by while rebooting the system...\n");
	local_irq_disable();
	/* Set the watchdog timer to reset immediately */
	switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
	case BCM47XX_BUS_TYPE_SSB:
		ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 1);
		break;
#endif
#ifdef CONFIG_BCM47XX_BCMA
	case BCM47XX_BUS_TYPE_BCMA:
		bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc, 1);
		break;
#endif
	}
	while (1)
		cpu_relax();
}

static void bcm47xx_machine_halt(void)
{
	/* Disable interrupts and watchdog and spin forever */
	local_irq_disable();
	switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
	case BCM47XX_BUS_TYPE_SSB:
		ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 0);
		break;
#endif
#ifdef CONFIG_BCM47XX_BCMA
	case BCM47XX_BUS_TYPE_BCMA:
		bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc, 0);
		break;
#endif
	}
	while (1)
		cpu_relax();
}

#ifdef CONFIG_BCM47XX_SSB
static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out)
{
	char prefix[10];

	if (bus->bustype == SSB_BUSTYPE_PCI) {
		memset(out, 0, sizeof(struct ssb_sprom));
		snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
			 bus->host_pci->bus->number + 1,
			 PCI_SLOT(bus->host_pci->devfn));
		bcm47xx_fill_sprom(out, prefix, false);
		return 0;
	} else {
		printk(KERN_WARNING "bcm47xx: unable to fill SPROM for given bustype.\n");
		return -EINVAL;
	}
}

static int bcm47xx_get_invariants(struct ssb_bus *bus,
				  struct ssb_init_invariants *iv)
{
	char buf[20];

	/* Fill boardinfo structure */
	memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo));

	bcm47xx_fill_ssb_boardinfo(&iv->boardinfo, NULL);

	memset(&iv->sprom, 0, sizeof(struct ssb_sprom));
	bcm47xx_fill_sprom(&iv->sprom, NULL, false);

	if (bcm47xx_nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
		iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);

	return 0;
}

static void __init bcm47xx_register_ssb(void)
{
	int err;
	char buf[100];
	struct ssb_mipscore *mcore;

	err = ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb);
	if (err)
		printk(KERN_WARNING "bcm47xx: someone else already registered"
			" a ssb SPROM callback handler (err %d)\n", err);

	err = ssb_bus_ssbbus_register(&(bcm47xx_bus.ssb), SSB_ENUM_BASE,
				      bcm47xx_get_invariants);
	if (err)
		panic("Failed to initialize SSB bus (err %d)", err);

	mcore = &bcm47xx_bus.ssb.mipscore;
	if (bcm47xx_nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) {
		if (strstr(buf, "console=ttyS1")) {
			struct ssb_serial_port port;

			printk(KERN_DEBUG "Swapping serial ports!\n");
			/* swap serial ports */
			memcpy(&port, &mcore->serial_ports[0], sizeof(port));
			memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1],
			       sizeof(port));
			memcpy(&mcore->serial_ports[1], &port, sizeof(port));
		}
	}
}
#endif

#ifdef CONFIG_BCM47XX_BCMA
static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out)
{
	char prefix[10];
	struct bcma_device *core;

	switch (bus->hosttype) {
	case BCMA_HOSTTYPE_PCI:
		memset(out, 0, sizeof(struct ssb_sprom));
		snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
			 bus->host_pci->bus->number + 1,
			 PCI_SLOT(bus->host_pci->devfn));
		bcm47xx_fill_sprom(out, prefix, false);
		return 0;
	case BCMA_HOSTTYPE_SOC:
		memset(out, 0, sizeof(struct ssb_sprom));
		core = bcma_find_core(bus, BCMA_CORE_80211);
		if (core) {
			snprintf(prefix, sizeof(prefix), "sb/%u/",
				 core->core_index);
			bcm47xx_fill_sprom(out, prefix, true);
		} else {
			bcm47xx_fill_sprom(out, NULL, false);
		}
		return 0;
	default:
		pr_warn("bcm47xx: unable to fill SPROM for given bustype.\n");
		return -EINVAL;
	}
}

static void __init bcm47xx_register_bcma(void)
{
	int err;

	err = bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma);
	if (err)
		pr_warn("bcm47xx: someone else already registered a bcma SPROM callback handler (err %d)\n", err);

	err = bcma_host_soc_register(&bcm47xx_bus.bcma);
	if (err)
		panic("Failed to initialize BCMA bus (err %d)", err);

	bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo, NULL);

	/* The BCM4706 has a problem with the CPU wait instruction.
	 * When r4k_wait or r4k_wait_irqoff is used will just hang and
	 * not return from a msleep(). Removing the cpu_wait
	 * functionality is a workaround for this problem. The BCM4716
	 * does not have this problem.
	 */
	if (bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4706)
		cpu_wait = NULL;
}
#endif

void __init plat_mem_setup(void)
{
	struct cpuinfo_mips *c = &current_cpu_data;

	if (c->cputype == CPU_74K) {
		printk(KERN_INFO "bcm47xx: using bcma bus\n");
#ifdef CONFIG_BCM47XX_BCMA
		bcm47xx_bus_type = BCM47XX_BUS_TYPE_BCMA;
		bcm47xx_register_bcma();
		bcm47xx_set_system_type(bcm47xx_bus.bcma.bus.chipinfo.id);
#endif
	} else {
		printk(KERN_INFO "bcm47xx: using ssb bus\n");
#ifdef CONFIG_BCM47XX_SSB
		bcm47xx_bus_type = BCM47XX_BUS_TYPE_SSB;
		bcm47xx_register_ssb();
		bcm47xx_set_system_type(bcm47xx_bus.ssb.chip_id);
#endif
	}

	_machine_restart = bcm47xx_machine_restart;
	_machine_halt = bcm47xx_machine_halt;
	pm_power_off = bcm47xx_machine_halt;
	bcm47xx_board_detect();
	mips_set_machine_name(bcm47xx_board_get_name());
}

static int __init bcm47xx_register_bus_complete(void)
{
	switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
	case BCM47XX_BUS_TYPE_SSB:
		/* Nothing to do */
		break;
#endif
#ifdef CONFIG_BCM47XX_BCMA
	case BCM47XX_BUS_TYPE_BCMA:
		bcma_bus_register(&bcm47xx_bus.bcma.bus);
		break;
#endif
	}
	return 0;
}
device_initcall(bcm47xx_register_bus_complete);
Commit	Line	Data
1c0c13eb AJ	1	/*
1c0c13eb AJ	2	* Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
1c0c13eb	3	* Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
eb032b98	4	* Copyright (C) 2006 Michael Buesch <m@bues.ch>
121915c4	5	* Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org>
f384b3dd	6	* Copyright (C) 2010-2012 Hauke Mehrtens <hauke@hauke-m.de>
1c0c13eb AJ	7	*
	8	* This program is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License as published by the
	10	* Free Software Foundation; either version 2 of the License, or (at your
	11	* option) any later version.
	12	*
	13	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
	14	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	15	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
	16	* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	17	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	18	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
	19	* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
	20	* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	21	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	22	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	23	*
	24	* You should have received a copy of the GNU General Public License along
	25	* with this program; if not, write to the Free Software Foundation, Inc.,
	26	* 675 Mass Ave, Cambridge, MA 02139, USA.
	27	*/
	28
cae39d13	29	#include <linux/export.h>
1c0c13eb AJ	30	#include <linux/types.h>
1c0c13eb AJ	31	#include <linux/ssb/ssb.h>
b06f3e19	32	#include <linux/ssb/ssb_embedded.h>
c1d1c5d4	33	#include <linux/bcma/bcma_soc.h>
25e5fb97	34	#include <asm/bootinfo.h>
76b573e4	35	#include <asm/idle.h>
7da4b6f8	36	#include <asm/prom.h>
1c0c13eb AJ	37	#include <asm/reboot.h>
	38	#include <asm/time.h>
	39	#include <bcm47xx.h>
111bd981	40	#include <bcm47xx_nvram.h>
786c497a	41	#include <bcm47xx_board.h>
1c0c13eb	42
08ccf572 HM	43	union bcm47xx_bus bcm47xx_bus;
	44	EXPORT_SYMBOL(bcm47xx_bus);
	45
	46	enum bcm47xx_bus_type bcm47xx_bus_type;
	47	EXPORT_SYMBOL(bcm47xx_bus_type);
1c0c13eb AJ	48
	49	static void bcm47xx_machine_restart(char *command)
	50	{
	51	printk(KERN_ALERT "Please stand by while rebooting the system...\n");
	52	local_irq_disable();
	53	/* Set the watchdog timer to reset immediately */
08ccf572	54	switch (bcm47xx_bus_type) {
a656ffcb	55	#ifdef CONFIG_BCM47XX_SSB
08ccf572 HM	56	case BCM47XX_BUS_TYPE_SSB:
	57	ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 1);
	58	break;
c1d1c5d4 HM	59	#endif
	60	#ifdef CONFIG_BCM47XX_BCMA
	61	case BCM47XX_BUS_TYPE_BCMA:
	62	bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc, 1);
	63	break;
a656ffcb	64	#endif
08ccf572	65	}
1c0c13eb AJ	66	while (1)
	67	cpu_relax();
	68	}
	69
	70	static void bcm47xx_machine_halt(void)
	71	{
	72	/* Disable interrupts and watchdog and spin forever */
	73	local_irq_disable();
08ccf572	74	switch (bcm47xx_bus_type) {
a656ffcb	75	#ifdef CONFIG_BCM47XX_SSB
08ccf572 HM	76	case BCM47XX_BUS_TYPE_SSB:
	77	ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 0);
	78	break;
c1d1c5d4 HM	79	#endif
	80	#ifdef CONFIG_BCM47XX_BCMA
	81	case BCM47XX_BUS_TYPE_BCMA:
	82	bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc, 0);
	83	break;
a656ffcb	84	#endif
08ccf572	85	}
1c0c13eb AJ	86	while (1)
	87	cpu_relax();
	88	}
	89
a656ffcb	90	#ifdef CONFIG_BCM47XX_SSB
f384b3dd	91	static int bcm47xx_get_sprom_ssb(struct ssb_bus bus, struct ssb_sprom out)
fe6f3642 HM	92	{
	93	char prefix[10];
	94
	95	if (bus->bustype == SSB_BUSTYPE_PCI) {
5fe2e071	96	memset(out, 0, sizeof(struct ssb_sprom));
fe6f3642 HM	97	snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
	98	bus->host_pci->bus->number + 1,
	99	PCI_SLOT(bus->host_pci->devfn));
b8ebbaff	100	bcm47xx_fill_sprom(out, prefix, false);
fe6f3642 HM	101	return 0;
	102	} else {
	103	printk(KERN_WARNING "bcm47xx: unable to fill SPROM for given bustype.\n");
	104	return -EINVAL;
	105	}
	106	}
	107
1c0c13eb	108	static int bcm47xx_get_invariants(struct ssb_bus *bus,
f384b3dd	109	struct ssb_init_invariants *iv)
1c0c13eb	110	{
2aa088d6	111	char buf[20];
25e5fb97 AJ	112
	113	/* Fill boardinfo structure */
	114	memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo));
	115
a9bba182	116	bcm47xx_fill_ssb_boardinfo(&iv->boardinfo, NULL);
25e5fb97	117
5fe2e071	118	memset(&iv->sprom, 0, sizeof(struct ssb_sprom));
b8ebbaff	119	bcm47xx_fill_sprom(&iv->sprom, NULL, false);
121915c4	120
111bd981	121	if (bcm47xx_nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
2aa088d6	122	iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);
25e5fb97	123
1c0c13eb AJ	124	return 0;
	125	}
	126
08ccf572	127	static void __init bcm47xx_register_ssb(void)
1c0c13eb AJ	128	{
1c0c13eb AJ	129	int err;
1690a7f9 HM	130	char buf[100];
1690a7f9 HM	131	struct ssb_mipscore *mcore;
1c0c13eb	132
f384b3dd	133	err = ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb);
fe6f3642 HM	134	if (err)
	135	printk(KERN_WARNING "bcm47xx: someone else already registered"
	136	" a ssb SPROM callback handler (err %d)\n", err);
	137
08ccf572	138	err = ssb_bus_ssbbus_register(&(bcm47xx_bus.ssb), SSB_ENUM_BASE,
1c0c13eb AJ	139	bcm47xx_get_invariants);
1c0c13eb AJ	140	if (err)
ab75dc02	141	panic("Failed to initialize SSB bus (err %d)", err);
1c0c13eb	142
08ccf572	143	mcore = &bcm47xx_bus.ssb.mipscore;
111bd981	144	if (bcm47xx_nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) {
1690a7f9 HM	145	if (strstr(buf, "console=ttyS1")) {
	146	struct ssb_serial_port port;
	147
	148	printk(KERN_DEBUG "Swapping serial ports!\n");
	149	/* swap serial ports */
	150	memcpy(&port, &mcore->serial_ports[0], sizeof(port));
	151	memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1],
	152	sizeof(port));
	153	memcpy(&mcore->serial_ports[1], &port, sizeof(port));
	154	}
	155	}
08ccf572	156	}
a656ffcb	157	#endif
08ccf572	158
c1d1c5d4	159	#ifdef CONFIG_BCM47XX_BCMA
f384b3dd HM	160	static int bcm47xx_get_sprom_bcma(struct bcma_bus bus, struct ssb_sprom out)
	161	{
	162	char prefix[10];
	163	struct bcma_device *core;
	164
	165	switch (bus->hosttype) {
	166	case BCMA_HOSTTYPE_PCI:
5fe2e071	167	memset(out, 0, sizeof(struct ssb_sprom));
f384b3dd HM	168	snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
	169	bus->host_pci->bus->number + 1,
	170	PCI_SLOT(bus->host_pci->devfn));
b8ebbaff	171	bcm47xx_fill_sprom(out, prefix, false);
f384b3dd HM	172	return 0;
f384b3dd HM	173	case BCMA_HOSTTYPE_SOC:
5fe2e071	174	memset(out, 0, sizeof(struct ssb_sprom));
f384b3dd HM	175	core = bcma_find_core(bus, BCMA_CORE_80211);
	176	if (core) {
	177	snprintf(prefix, sizeof(prefix), "sb/%u/",
	178	core->core_index);
b8ebbaff	179	bcm47xx_fill_sprom(out, prefix, true);
2c376311	180	} else {
b8ebbaff	181	bcm47xx_fill_sprom(out, NULL, false);
f384b3dd HM	182	}
	183	return 0;
	184	default:
	185	pr_warn("bcm47xx: unable to fill SPROM for given bustype.\n");
	186	return -EINVAL;
	187	}
	188	}
	189
c1d1c5d4 HM	190	static void __init bcm47xx_register_bcma(void)
	191	{
	192	int err;
	193
f384b3dd HM	194	err = bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma);
	195	if (err)
	196	pr_warn("bcm47xx: someone else already registered a bcma SPROM callback handler (err %d)\n", err);
	197
c1d1c5d4 HM	198	err = bcma_host_soc_register(&bcm47xx_bus.bcma);
c1d1c5d4 HM	199	if (err)
ab75dc02	200	panic("Failed to initialize BCMA bus (err %d)", err);
0a2fcaa7 HM	201
0a2fcaa7 HM	202	bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo, NULL);
76b573e4 HM	203
	204	/* The BCM4706 has a problem with the CPU wait instruction.
	205	* When r4k_wait or r4k_wait_irqoff is used will just hang and
	206	* not return from a msleep(). Removing the cpu_wait
	207	* functionality is a workaround for this problem. The BCM4716
	208	* does not have this problem.
	209	*/
	210	if (bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4706)
	211	cpu_wait = NULL;
c1d1c5d4 HM	212	}
	213	#endif
	214
08ccf572 HM	215	void __init plat_mem_setup(void)
	216	{
	217	struct cpuinfo_mips *c = &current_cpu_data;
	218
c1d1c5d4 HM	219	if (c->cputype == CPU_74K) {
	220	printk(KERN_INFO "bcm47xx: using bcma bus\n");
	221	#ifdef CONFIG_BCM47XX_BCMA
	222	bcm47xx_bus_type = BCM47XX_BUS_TYPE_BCMA;
	223	bcm47xx_register_bcma();
dd573285	224	bcm47xx_set_system_type(bcm47xx_bus.bcma.bus.chipinfo.id);
c1d1c5d4 HM	225	#endif
	226	} else {
	227	printk(KERN_INFO "bcm47xx: using ssb bus\n");
a656ffcb	228	#ifdef CONFIG_BCM47XX_SSB
c1d1c5d4 HM	229	bcm47xx_bus_type = BCM47XX_BUS_TYPE_SSB;
c1d1c5d4 HM	230	bcm47xx_register_ssb();
dd573285	231	bcm47xx_set_system_type(bcm47xx_bus.ssb.chip_id);
a656ffcb	232	#endif
c1d1c5d4	233	}
1690a7f9	234
1c0c13eb AJ	235	_machine_restart = bcm47xx_machine_restart;
	236	_machine_halt = bcm47xx_machine_halt;
	237	pm_power_off = bcm47xx_machine_halt;
786c497a	238	bcm47xx_board_detect();
7da4b6f8	239	mips_set_machine_name(bcm47xx_board_get_name());
1c0c13eb	240	}
c1d1c5d4 HM	241
	242	static int __init bcm47xx_register_bus_complete(void)
	243	{
	244	switch (bcm47xx_bus_type) {
	245	#ifdef CONFIG_BCM47XX_SSB
	246	case BCM47XX_BUS_TYPE_SSB:
	247	/* Nothing to do */
	248	break;
	249	#endif
	250	#ifdef CONFIG_BCM47XX_BCMA
	251	case BCM47XX_BUS_TYPE_BCMA:
	252	bcma_bus_register(&bcm47xx_bus.bcma.bus);
	253	break;
	254	#endif
	255	}
	256	return 0;
	257	}
	258	device_initcall(bcm47xx_register_bus_complete);