diff options
Diffstat (limited to 'arch/arm/plat-mxc/tzic.c')
| -rw-r--r-- | arch/arm/plat-mxc/tzic.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/arch/arm/plat-mxc/tzic.c b/arch/arm/plat-mxc/tzic.c index f257fccdc39..e993a184189 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 |