Peripheral ID2 Register provides a four-bit architecturally-defined architecture revision field. So we can identify the GIC verison from this register. It is useful sometimes.
Signed-off-by: Liu Hua <sdu....@huawei.com> --- include/linux/irqchip/arm-gic.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h index 45e2d8c..872a562 100644 --- a/include/linux/irqchip/arm-gic.h +++ b/include/linux/irqchip/arm-gic.h @@ -38,6 +38,7 @@ #define GIC_DIST_SOFTINT 0xf00 #define GIC_DIST_SGI_PENDING_CLEAR 0xf10 #define GIC_DIST_SGI_PENDING_SET 0xf20 +#define GIC_DIST_ICPIDR2 0xfe8 #define GICH_HCR 0x0 #define GICH_VTR 0x4 -- 1.9.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
