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linux-next/arch/mips/bcm47xx/setup.c

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/*
* 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/reboot.h>
#include <asm/time.h>
#include <bcm47xx.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 int bcm47xx_get_invariants(struct ssb_bus *bus,
struct ssb_init_invariants *iv)
{
/* TODO: fill ssb_init_invariants using boardtype/boardrev
* CFE environment variables.
*/
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;
board_time_init = bcm47xx_time_init;
}