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-rw-r--r--include/drivers/arm/gic_common.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/drivers/arm/gic_common.h b/include/drivers/arm/gic_common.h
index 9e126a854..67d4a28ba 100644
--- a/include/drivers/arm/gic_common.h
+++ b/include/drivers/arm/gic_common.h
@@ -72,6 +72,8 @@
#define ARCH_REV_GICV3 0x3
/* GICv2 revision as reported by the PIDR2 register */
#define ARCH_REV_GICV2 0x2
+/* GICv1 revision as reported by the PIDR2 register */
+#define ARCH_REV_GICV1 0x1
#define IGROUPR_SHIFT 5
#define ISENABLER_SHIFT 5