void
hard_reset_now(void)
{
/*
* Don't declare this variable elsewhere. We don't want any other
* code to know about it than the watchdog handler in entry.S and
* this code, implementing hard reset through the watchdog.
*/
#if defined(CONFIG_ETRAX_WATCHDOG)
extern int cause_of_death;
#endif
printk("*** HARD RESET ***\n");
local_irq_disable();
#if defined(CONFIG_ETRAX_WATCHDOG)
cause_of_death = 0xbedead;
#else
{
reg_timer_rw_wd_ctrl wd_ctrl = {0};
stop_watchdog();
wd_ctrl.key = 16; /* Arbitrary key. */
wd_ctrl.cnt = 1; /* Minimum time. */
wd_ctrl.cmd = regk_timer_start;
arch_enable_nmi();
REG_WR(timer, regi_timer0, rw_wd_ctrl, wd_ctrl);
}
#endif
while (1)
; /* Wait for reset. */
}
void set_nmi_handler(void (*handler)(struct pt_regs*))
{
nmi_handler = handler;
arch_enable_nmi();
}
