ARM: OMAP: Move OMAP1 specific core files to omap1 subdirectory

Sync with linux-omap tree. Moves OMAP1 specific core files, such
as irq.c, time.c and fpga.c to omap1 subdirectory.
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap/irq.c → arch/arm/mach-omap/omap1/irq.c

@@ -56,6 +56,7 @@
 struct omap_irq_bank {
 	unsigned long base_reg;
 	unsigned long trigger_map;
+	unsigned long wake_enable;
 };
 
 static unsigned int irq_bank_count = 0;
@@ -105,6 +106,19 @@ static void omap_mask_ack_irq(unsigned int irq)
 	omap_ack_irq(irq);
 }
 
+static int omap_wake_irq(unsigned int irq, unsigned int enable)
+{
+	int bank = IRQ_BANK(irq);
+
+	if (enable)
+		irq_banks[bank].wake_enable |= IRQ_BIT(irq);
+	else
+		irq_banks[bank].wake_enable &= ~IRQ_BIT(irq);
+
+	return 0;
+}
+
+
 /*
  * Allows tuning the IRQ type and priority
  *
@@ -145,7 +159,7 @@ static struct omap_irq_bank omap1510_irq_banks[] = {
 static struct omap_irq_bank omap1610_irq_banks[] = {
 	{ .base_reg = OMAP_IH1_BASE, 		.trigger_map = 0xb3fefe8f },
 	{ .base_reg = OMAP_IH2_BASE, 		.trigger_map = 0xfdb7c1fd },
-	{ .base_reg = OMAP_IH2_BASE + 0x100,	.trigger_map = 0xfffff7ff },
+	{ .base_reg = OMAP_IH2_BASE + 0x100,	.trigger_map = 0xffffb7ff },
 	{ .base_reg = OMAP_IH2_BASE + 0x200,	.trigger_map = 0xffffffff },
 };
 #endif
@@ -154,6 +168,7 @@ static struct irqchip omap_irq_chip = {
 	.ack    = omap_mask_ack_irq,
 	.mask   = omap_mask_irq,
 	.unmask = omap_unmask_irq,
+	.wake	= omap_wake_irq,
 };
 
 void __init omap_init_irq(void)

arch/arm/mach-omap/leds-osk.c → arch/arm/mach-omap/omap1/leds-osk.c

@@ -129,14 +129,11 @@ void osk_leds_event(led_event_t evt)
 
 #ifdef	CONFIG_FB_OMAP
 
-#ifdef CONFIG_LEDS_TIMER
 	case led_timer:
 		hw_led_state ^= TIMER_LED;
 		mistral_setled();
 		break;
-#endif
 
-#ifdef CONFIG_LEDS_CPU
 	case led_idle_start:
 		hw_led_state |= IDLE_LED;
 		mistral_setled();
@@ -146,7 +143,6 @@ void osk_leds_event(led_event_t evt)
 		hw_led_state &= ~IDLE_LED;
 		mistral_setled();
 		break;
-#endif
 
 #endif	/* CONFIG_FB_OMAP */
 

arch/arm/mach-omap/time.c → arch/arm/mach-omap/omap1/time.c

 /*
- * linux/arch/arm/mach-omap/time.c
+ * linux/arch/arm/mach-omap/omap1/time.c
  *
  * OMAP Timers
  *
  * Copyright (C) 2004 Nokia Corporation
- * Partial timer rewrite and additional VST timer support by
+ * Partial timer rewrite and additional dynamic tick timer support by
  * Tony Lindgen <tony@atomide.com> and
  * Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
  *
@@ -58,17 +58,9 @@ struct sys_timer omap_timer;
  * MPU timer
  * ---------------------------------------------------------------------------
  */
-#define OMAP_MPU_TIMER1_BASE		(0xfffec500)
-#define OMAP_MPU_TIMER2_BASE		(0xfffec600)
-#define OMAP_MPU_TIMER3_BASE		(0xfffec700)
 #define OMAP_MPU_TIMER_BASE		OMAP_MPU_TIMER1_BASE
 #define OMAP_MPU_TIMER_OFFSET		0x100
 
-#define MPU_TIMER_FREE			(1 << 6)
-#define MPU_TIMER_CLOCK_ENABLE		(1 << 5)
-#define MPU_TIMER_AR			(1 << 1)
-#define MPU_TIMER_ST			(1 << 0)
-
 /* cycles to nsec conversions taken from arch/i386/kernel/timers/timer_tsc.c,
  * converted to use kHz by Kevin Hilman */
 /* convert from cycles(64bits) => nanoseconds (64bits)
@@ -347,6 +339,54 @@ static irqreturn_t omap_32k_timer_interrupt(int irq, void *dev_id,
 	return IRQ_HANDLED;
 }
 
+#ifdef CONFIG_NO_IDLE_HZ
+/*
+ * Programs the next timer interrupt needed. Called when dynamic tick is
+ * enabled, and to reprogram the ticks to skip from pm_idle.
+ */
+void omap_32k_timer_next_dyn_tick_interrupt(void)
+{
+	unsigned long next;
+
+	if (!system_timer->dyn_tick->state & DYN_TICK_ENABLED)
+		return;
+
+	next = next_timer_interrupt() - jiffies;
+
+	if (next > MAX_SKIP_JIFFIES)
+		next = MAX_SKIP_JIFFIES;
+
+	/*
+	 * We can keep the timer continuous, no need to set it to
+	 * run in one-shot mode. When using dynamic tick, the timer
+	 * will get reprogrammed again after the next interrupt.
+	 */
+	omap_32k_timer_start(JIFFIES_TO_HW_TICKS(next, 32768) + 1);
+}
+
+static struct irqaction omap_32k_timer_irq;
+extern struct timer_update_handler timer_update;
+
+static int omap_32k_timer_enable_dyn_tick(void)
+{
+	omap_32k_timer_next_dyn_tick_interrupt();
+	return 0;
+}
+
+static int omap_32k_timer_disable_dyn_tick(void)
+{
+	omap_32k_timer_start(OMAP_32K_TIMER_TICK_PERIOD);
+	return 0;
+}
+
+static struct dyn_tick_timer omap_dyn_tick_timer = {
+	.enable		= omap_32k_timer_enable_dyn_tick,
+	.disable	= omap_32k_timer_disable_dyn_tick,
+	.reprogram	= omap_32k_timer_next_dyn_tick_interrupt,
+	.handler	= omap_32k_timer_interrupt,
+};
+#endif	/* CONFIG_NO_IDLE_HZ */
+
 static struct irqaction omap_32k_timer_irq = {
 	.name		= "32KHz timer",
 	.flags		= SA_INTERRUPT,
@@ -355,6 +395,14 @@ static struct irqaction omap_32k_timer_irq = {
 
 static __init void omap_init_32k_timer(void)
 {
+
+#ifdef CONFIG_NO_IDLE_HZ
+	omap_timer.dyn_tick = &omap_dyn_tick_timer;
+
+	/* Tell __do_irq not to duplicate timer ticks with dyn-tick */
+	omap_32k_timer_irq.flags |= SA_TIMER;
+#endif
+
 	setup_irq(INT_OS_TIMER, &omap_32k_timer_irq);
 	omap_timer.offset  = omap_32k_timer_gettimeoffset;
 	omap_32k_last_tick = omap_32k_sync_timer_read();
@@ -367,7 +415,7 @@ static __init void omap_init_32k_timer(void)
  * Timer initialization
  * ---------------------------------------------------------------------------
  */
-void __init omap_timer_init(void)
+static void __init omap_timer_init(void)
 {
 #if defined(CONFIG_OMAP_MPU_TIMER)
 	omap_init_mpu_timer();