diff options
Diffstat (limited to 'cpu/mpc5xx/interrupts.c')
| -rw-r--r-- | cpu/mpc5xx/interrupts.c | 116 | 
1 files changed, 4 insertions, 112 deletions
| diff --git a/cpu/mpc5xx/interrupts.c b/cpu/mpc5xx/interrupts.c index 461868000..3678b5bfc 100644 --- a/cpu/mpc5xx/interrupts.c +++ b/cpu/mpc5xx/interrupts.c @@ -28,16 +28,9 @@   */  #include <common.h> -#include <watchdog.h>  #include <mpc5xx.h>  #include <asm/processor.h> -/************************************************************************/ - -unsigned decrementer_count;	/* count value for 1e6/HZ microseconds	*/ - -/************************************************************************/ -  struct interrupt_action {  	interrupt_handler_t *handler;  	void *arg; @@ -46,73 +39,19 @@ struct interrupt_action {  static struct interrupt_action irq_vecs[NR_IRQS];  /* - * Local function prototypes - */ -static __inline__ unsigned long get_msr (void) -{ -	unsigned long msr; - -	asm volatile ("mfmsr %0":"=r" (msr):); - -	return msr; -} - -static __inline__ void set_msr (unsigned long msr) -{ -	asm volatile ("mtmsr %0"::"r" (msr)); -} - -static __inline__ unsigned long get_dec (void) -{ -	unsigned long val; - -	asm volatile ("mfdec %0":"=r" (val):); - -	return val; -} - - -static __inline__ void set_dec (unsigned long val) -{ -	asm volatile ("mtdec %0"::"r" (val)); -} - -/* - * Enable interrupts - */ -void enable_interrupts (void) -{ -	set_msr (get_msr () | MSR_EE); -} - -/* - * Returns flag if MSR_EE was set before - */ -int disable_interrupts (void) -{ -	ulong msr = get_msr (); - -	set_msr (msr & ~MSR_EE); -	return ((msr & MSR_EE) != 0); -} - -/*   * Initialise interrupts   */ -int interrupt_init (void) +int interrupt_init_cpu (ulong *decrementer_count)  {  	volatile immap_t *immr = (immap_t *) CFG_IMMR;  	/* Decrementer used here for status led */ -	decrementer_count = get_tbclk () / CFG_HZ; +	*decrementer_count = get_tbclk () / CFG_HZ;  	/* Disable all interrupts */  	immr->im_siu_conf.sc_simask = 0; -	set_dec (decrementer_count); - -	set_msr (get_msr () | MSR_EE);  	return (0);  } @@ -206,19 +145,14 @@ void irq_free_handler (int vec)  	irq_vecs[vec].arg = NULL;  } -volatile ulong timestamp = 0; -  /*   *  Timer interrupt - gets called when  bit 0 of DEC changes from   *  0. Decrementer is enabled with bit TBE in TBSCR.   */ -void timer_interrupt (struct pt_regs *regs) +void timer_interrupt_cpu (struct pt_regs *regs)  {  	volatile immap_t *immr = (immap_t *) CFG_IMMR; -#ifdef CONFIG_STATUS_LED -	extern void status_led_tick (ulong); -#endif  #if 0  	printf ("*** Timer Interrupt *** ");  #endif @@ -227,47 +161,5 @@ void timer_interrupt (struct pt_regs *regs)  	__asm__ ("nop");  	immr->im_clkrst.car_plprcr |= PLPRCR_TEXPS | PLPRCR_TMIST; -	/* Restore Decrementer Count */ -	set_dec (decrementer_count); - -	timestamp++; - -#ifdef CONFIG_STATUS_LED -	status_led_tick (timestamp); -#endif /* CONFIG_STATUS_LED */ - -#if defined(CONFIG_WATCHDOG) -	/* -	 * The shortest watchdog period of all boards -	 * is approx. 1 sec, thus re-trigger watchdog at least -	 * every 500 ms = CFG_HZ / 2 -	 */ -	if ((timestamp % (CFG_HZ / 2)) == 0) { -		reset_5xx_watchdog (immr); -	} -#endif /* CONFIG_WATCHDOG */ -} - -/* - * Reset timer - */ -void reset_timer (void) -{ -	timestamp = 0; -} - -/* - * Get Timer - */ -ulong get_timer (ulong base) -{ -	return (timestamp - base); -} - -/* - * Set timer - */ -void set_timer (ulong t) -{ -	timestamp = t; +	return;  } |