1 files changed, 30 insertions, 2 deletions

diff --git a/arch/arm/plat-mxc/tzic.c b/arch/arm/plat-mxc/tzic.c
index f257fccdc394..e993a184189a 100644
--- a/arch/arm/plat-mxc/tzic.c
+++ b/arch/arm/plat-mxc/tzic.c
@@ -42,7 +42,7 @@
 #define TZIC_SRCCLAR0   0x0280  /* Source Clear Register 0 */
 #define TZIC_PRIORITY0  0x0400  /* Priority Register 0 */
 #define TZIC_PND0       0x0D00  /* Pending Register 0 */
-#define TZIC_HIPND0     0x0D80  /* High Priority Pending Register */
+#define TZIC_HIPND(i)   (0x0D80+ ((i) << 2))    /* High Priority Pending Register */
 #define TZIC_WAKEUP0(i) (0x0E00 + ((i) << 2))   /* Wakeup Config Register */
 #define TZIC_SWINT      0x0F00  /* Software Interrupt Rigger Register */
 #define TZIC_ID0        0x0FD0  /* Indentification Register 0 */
@@ -74,6 +74,12 @@ static int tzic_set_irq_fiq(unsigned int irq, unsigned int type)
 
 static unsigned int *wakeup_intr[4];
 
+static struct mxc_extra_irq tzic_extra_irq = {
+#ifdef CONFIG_FIQ
+        .set_irq_fiq = tzic_set_irq_fiq,
+#endif
+};
+
 static __init void tzic_init_gc(unsigned int irq_start)
 {
         struct irq_chip_generic *gc;
@@ -82,7 +88,7 @@ static __init void tzic_init_gc(unsigned int irq_start)
 
         gc = irq_alloc_generic_chip("tzic", 1, irq_start, tzic_base,
                                     handle_level_irq);
-        gc->private = tzic_set_irq_fiq;
+        gc->private = &tzic_extra_irq;
         gc->wake_enabled = IRQ_MSK(32);
         wakeup_intr[idx] = &gc->wake_active;
 
@@ -96,6 +102,28 @@ static __init void tzic_init_gc(unsigned int irq_start)
         irq_setup_generic_chip(gc, IRQ_MSK(32), 0, IRQ_NOREQUEST, 0);
 }
 
+asmlinkage void __exception_irq_entry tzic_handle_irq(struct pt_regs *regs)
+{
+        u32 stat;
+        int i, irqofs, handled;
+
+        do {
+                handled = 0;
+
+                for (i = 0; i < 4; i++) {
+                        stat = __raw_readl(tzic_base + TZIC_HIPND(i)) &
+                                __raw_readl(tzic_base + TZIC_INTSEC0(i));
+
+                        while (stat) {
+                                handled = 1;
+                                irqofs = fls(stat) - 1;
+                                handle_IRQ(irqofs + i * 32, regs);
+                                stat &= ~(1 << irqofs);
+                        }
+                }
+        } while (handled);
+}
+
 /*
  * This function initializes the TZIC hardware and disables all the
  * interrupts. It registers the interrupt enable and disable functions