microblaze: Move timer initialization to board.c

I would like to handle case where system doesn't contain
intc that's why I need timer initialization out of intc code.

Signed-off-by: Michal Simek <monstr@monstr.eu>

arch/microblaze/cpu/interrupts.c

@@ -46,9 +46,6 @@ int disable_interrupts (void)
 }
 
 #ifdef CONFIG_SYS_INTC_0
-#ifdef CONFIG_SYS_TIMER_0
-extern void timer_init (void);
-#endif
 #ifdef CONFIG_SYS_FSL_2
 extern void fsl_init2 (void);
 #endif
@@ -142,9 +139,6 @@ int interrupts_init (void)
 	}
 	/* initialize intc controller */
 	intc_init ();
-#ifdef CONFIG_SYS_TIMER_0
-	timer_init ();
-#endif
 #ifdef CONFIG_SYS_FSL_2
 	fsl_init2 ();
 #endif

arch/microblaze/cpu/timer.c

@@ -60,7 +60,7 @@ void timer_isr (void *arg)
 	tmr->control = tmr->control | TIMER_INTERRUPT;
 }
 
-void timer_init (void)
+int timer_init (void)
 {
 	tmr->loadreg = CONFIG_SYS_TIMER_0_PRELOAD;
 	tmr->control = TIMER_INTERRUPT | TIMER_RESET;
@@ -68,6 +68,7 @@ void timer_init (void)
 	    TIMER_ENABLE | TIMER_ENABLE_INTR | TIMER_RELOAD | TIMER_DOWN_COUNT;
 	reset_timer ();
 	install_interrupt_handler (CONFIG_SYS_TIMER_0_IRQ, timer_isr, (void *)tmr);
+	return 0;
 }
 #endif
 #endif

arch/microblaze/lib/board.c

@@ -44,6 +44,10 @@ extern int interrupts_init (void);
 #if defined(CONFIG_CMD_NET)
 extern int eth_init (bd_t * bis);
 #endif
+#ifdef CONFIG_SYS_TIMER_0
+extern int timer_init (void);
+#endif
+
 
 /*
  * All attempts to come up with a "common" initialization sequence
@@ -68,6 +72,9 @@ init_fnc_t *init_sequence[] = {
 #ifdef CONFIG_SYS_INTC_0
 	interrupts_init,
 #endif
+#ifdef CONFIG_SYS_TIMER_0
+	timer_init,
+#endif
 	NULL,
 };