[net-next-2.6.git] / arch / mips / bcm47xx / setup.c

/*
 *  Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
 *  Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
 *  Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
 *  Copyright (C) 2006 Michael Buesch <mb@bu3sch.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/types.h>
#include <linux/ssb/ssb.h>
#include <asm/bootinfo.h>
#include <asm/reboot.h>
#include <asm/time.h>
#include <bcm47xx.h>
#include <asm/fw/cfe/cfe_api.h>

struct ssb_bus ssb_bcm47xx;
EXPORT_SYMBOL(ssb_bcm47xx);

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 */
	ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 1);
	while (1)
		cpu_relax();
}

static void bcm47xx_machine_halt(void)
{
	/* Disable interrupts and watchdog and spin forever */
	local_irq_disable();
	ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 0);
	while (1)
		cpu_relax();
}

static void str2eaddr(char *str, char *dest)
{
	int i = 0;

	if (str == NULL) {
		memset(dest, 0, 6);
		return;
	}

	for (;;) {
		dest[i++] = (char) simple_strtoul(str, NULL, 16);
		str += 2;
		if (!*str++ || i == 6)
			break;
	}
}

static int bcm47xx_get_invariants(struct ssb_bus *bus,
				   struct ssb_init_invariants *iv)
{
	char buf[100];

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

	if (cfe_getenv("boardvendor", buf, sizeof(buf)) >= 0)
		iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
	if (cfe_getenv("boardtype", buf, sizeof(buf)) >= 0)
		iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
	if (cfe_getenv("boardrev", buf, sizeof(buf)) >= 0)
		iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);

	/* Fill sprom structure */
	memset(&(iv->sprom), 0, sizeof(struct ssb_sprom));
	iv->sprom.revision = 3;

	if (cfe_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
		str2eaddr(buf, iv->sprom.et0mac);
	if (cfe_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
		str2eaddr(buf, iv->sprom.et1mac);
	if (cfe_getenv("et0phyaddr", buf, sizeof(buf)) >= 0)
		iv->sprom.et0phyaddr = simple_strtoul(buf, NULL, 10);
	if (cfe_getenv("et1phyaddr", buf, sizeof(buf)) >= 0)
		iv->sprom.et1phyaddr = simple_strtoul(buf, NULL, 10);
	if (cfe_getenv("et0mdcport", buf, sizeof(buf)) >= 0)
		iv->sprom.et0mdcport = simple_strtoul(buf, NULL, 10);
	if (cfe_getenv("et1mdcport", buf, sizeof(buf)) >= 0)
		iv->sprom.et1mdcport = simple_strtoul(buf, NULL, 10);

	return 0;
}

void __init plat_mem_setup(void)
{
	int err;

	err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE,
				      bcm47xx_get_invariants);
	if (err)
		panic("Failed to initialize SSB bus (err %d)\n", err);

	_machine_restart = bcm47xx_machine_restart;
	_machine_halt = bcm47xx_machine_halt;
	pm_power_off = bcm47xx_machine_halt;
}
Commit	Line	Data
1c0c13eb AJ	1	/*
	2	* Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
	3	* Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
	4	* Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
	5	* Copyright (C) 2006 Michael Buesch <mb@bu3sch.de>
	6	*
	7	* This program is free software; you can redistribute it and/or modify it
	8	* under the terms of the GNU General Public License as published by the
	9	* Free Software Foundation; either version 2 of the License, or (at your
	10	* option) any later version.
	11	*
	12	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
	13	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	14	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
	15	* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	16	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	17	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
	18	* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
	19	* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	20	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	21	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	22	*
	23	* You should have received a copy of the GNU General Public License along
	24	* with this program; if not, write to the Free Software Foundation, Inc.,
	25	* 675 Mass Ave, Cambridge, MA 02139, USA.
	26	*/
	27
	28	#include <linux/types.h>
	29	#include <linux/ssb/ssb.h>
25e5fb97	30	#include <asm/bootinfo.h>
1c0c13eb AJ	31	#include <asm/reboot.h>
	32	#include <asm/time.h>
	33	#include <bcm47xx.h>
25e5fb97	34	#include <asm/fw/cfe/cfe_api.h>
1c0c13eb AJ	35
	36	struct ssb_bus ssb_bcm47xx;
	37	EXPORT_SYMBOL(ssb_bcm47xx);
	38
	39	static void bcm47xx_machine_restart(char *command)
	40	{
	41	printk(KERN_ALERT "Please stand by while rebooting the system...\n");
	42	local_irq_disable();
	43	/* Set the watchdog timer to reset immediately */
	44	ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 1);
	45	while (1)
	46	cpu_relax();
	47	}
	48
	49	static void bcm47xx_machine_halt(void)
	50	{
	51	/* Disable interrupts and watchdog and spin forever */
	52	local_irq_disable();
	53	ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 0);
	54	while (1)
	55	cpu_relax();
	56	}
	57
25e5fb97 AJ	58	static void str2eaddr(char str, char dest)
	59	{
	60	int i = 0;
	61
	62	if (str == NULL) {
	63	memset(dest, 0, 6);
	64	return;
	65	}
	66
	67	for (;;) {
	68	dest[i++] = (char) simple_strtoul(str, NULL, 16);
	69	str += 2;
	70	if (!*str++ \|\| i == 6)
	71	break;
	72	}
	73	}
	74
1c0c13eb AJ	75	static int bcm47xx_get_invariants(struct ssb_bus *bus,
	76	struct ssb_init_invariants *iv)
	77	{
25e5fb97 AJ	78	char buf[100];
	79
	80	/* Fill boardinfo structure */
	81	memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo));
	82
	83	if (cfe_getenv("boardvendor", buf, sizeof(buf)) >= 0)
	84	iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
	85	if (cfe_getenv("boardtype", buf, sizeof(buf)) >= 0)
	86	iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
	87	if (cfe_getenv("boardrev", buf, sizeof(buf)) >= 0)
	88	iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);
	89
	90	/* Fill sprom structure */
	91	memset(&(iv->sprom), 0, sizeof(struct ssb_sprom));
	92	iv->sprom.revision = 3;
	93
	94	if (cfe_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
cc2d6f70	95	str2eaddr(buf, iv->sprom.et0mac);
25e5fb97	96	if (cfe_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
cc2d6f70	97	str2eaddr(buf, iv->sprom.et1mac);
25e5fb97	98	if (cfe_getenv("et0phyaddr", buf, sizeof(buf)) >= 0)
cc2d6f70	99	iv->sprom.et0phyaddr = simple_strtoul(buf, NULL, 10);
25e5fb97	100	if (cfe_getenv("et1phyaddr", buf, sizeof(buf)) >= 0)
cc2d6f70	101	iv->sprom.et1phyaddr = simple_strtoul(buf, NULL, 10);
25e5fb97	102	if (cfe_getenv("et0mdcport", buf, sizeof(buf)) >= 0)
cc2d6f70	103	iv->sprom.et0mdcport = simple_strtoul(buf, NULL, 10);
25e5fb97	104	if (cfe_getenv("et1mdcport", buf, sizeof(buf)) >= 0)
cc2d6f70	105	iv->sprom.et1mdcport = simple_strtoul(buf, NULL, 10);
25e5fb97	106
1c0c13eb AJ	107	return 0;
	108	}
	109
	110	void __init plat_mem_setup(void)
	111	{
	112	int err;
	113
	114	err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE,
	115	bcm47xx_get_invariants);
	116	if (err)
	117	panic("Failed to initialize SSB bus (err %d)\n", err);
	118
	119	_machine_restart = bcm47xx_machine_restart;
	120	_machine_halt = bcm47xx_machine_halt;
	121	pm_power_off = bcm47xx_machine_halt;
1c0c13eb AJ	122	}
1c0c13eb AJ	123