diff options
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-mips-gic.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index ff6c2df86fe8..6e303df56447 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -23,6 +23,22 @@ #include <dt-bindings/interrupt-controller/mips-gic.h> +#define GIC_MAX_INTRS 256 + +/* Add 2 to convert GIC CPU pin to core interrupt */ +#define GIC_CPU_PIN_OFFSET 2 + +/* Mapped interrupt to pin X, then GIC will generate the vector (X+1). */ +#define GIC_PIN_TO_VEC_OFFSET 1 + +/* Convert between local/shared IRQ number and GIC HW IRQ number. */ +#define GIC_LOCAL_HWIRQ_BASE 0 +#define GIC_LOCAL_TO_HWIRQ(x) (GIC_LOCAL_HWIRQ_BASE + (x)) +#define GIC_HWIRQ_TO_LOCAL(x) ((x) - GIC_LOCAL_HWIRQ_BASE) +#define GIC_SHARED_HWIRQ_BASE GIC_NUM_LOCAL_INTRS +#define GIC_SHARED_TO_HWIRQ(x) (GIC_SHARED_HWIRQ_BASE + (x)) +#define GIC_HWIRQ_TO_SHARED(x) ((x) - GIC_SHARED_HWIRQ_BASE) + unsigned int gic_present; void __iomem *mips_gic_base; |