plat-orion: share IRQ handling code

Split off Orion IRQ handling code into plat-orion/, and add
support for multiple sets of (32) interrupts.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>

1 files changed, 2 insertions, 33 deletions

diff --git a/arch/arm/mach-orion/irq.c b/arch/arm/mach-orion/irq.c
index df7e12ad378b..855793afcca8 100644
--- a/arch/arm/mach-orion/irq.c
+++ b/arch/arm/mach-orion/irq.c
@@ -15,6 +15,7 @@
 #include <linux/irq.h>
 #include <asm/gpio.h>
 #include <asm/arch/orion.h>
+#include <asm/plat-orion/irq.h>
 #include "common.h"
 
 /*****************************************************************************
@@ -197,41 +198,9 @@ static void __init orion_init_gpio_irq(void)
 /*****************************************************************************
  * Orion Main IRQ
  ****************************************************************************/
-static void orion_main_irq_mask(u32 irq)
-{
-        orion_clrbits(MAIN_IRQ_MASK, 1 << irq);
-}
-
-static void orion_main_irq_unmask(u32 irq)
-{
-        orion_setbits(MAIN_IRQ_MASK, 1 << irq);
-}
-
-static struct irq_chip orion_main_irq_chip = {
-        .name           = "Orion-IRQ-Main",
-        .ack            = orion_main_irq_mask,
-        .mask           = orion_main_irq_mask,
-        .unmask         = orion_main_irq_unmask,
-};
-
 static void __init orion_init_main_irq(void)
 {
-        int i;
-
-        /*
-         * Mask and clear Main IRQ interrupts
-         */
-        orion_write(MAIN_IRQ_MASK, 0x0);
-        orion_write(MAIN_IRQ_CAUSE, 0x0);
-
-        /*
-         * Register level handler for Main IRQs
-         */
-        for (i = 0; i < IRQ_ORION_GPIO_START; i++) {
-                set_irq_chip(i, &orion_main_irq_chip);
-                set_irq_handler(i, handle_level_irq);
-                set_irq_flags(i, IRQF_VALID);
-        }
+        orion_irq_init(0, (void __iomem *)MAIN_IRQ_MASK);
 }
 
 void __init orion_init_irq(void)