1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/arm/gic/common/gic_common_private.h b/drivers/arm/gic/common/gic_common_private.h
new file mode 100644
index 00000000..2021f9aa
--- /dev/null
+++ b/drivers/arm/gic/common/gic_common_private.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef GIC_COMMON_PRIVATE_H_
+#define GIC_COMMON_PRIVATE_H_
+
+#include <gic_common.h>
+#include <mmio.h>
+#include <stdint.h>
+
+/*******************************************************************************
+ * GIC Distributor interface register accessors that are common to GICv3 & GICv2
+ ******************************************************************************/
+static inline unsigned int gicd_read_ctlr(uintptr_t base)
+{
+	return mmio_read_32(base + GICD_CTLR);
+}
+
+static inline unsigned int gicd_read_typer(uintptr_t base)
+{
+	return mmio_read_32(base + GICD_TYPER);
+}
+
+static inline unsigned int gicd_read_iidr(uintptr_t base)
+{
+	return mmio_read_32(base + GICD_IIDR);
+}
+
+static inline void gicd_write_ctlr(uintptr_t base, unsigned int val)
+{
+	mmio_write_32(base + GICD_CTLR, val);
+}
+
+/*******************************************************************************
+ * GIC Distributor function prototypes for accessing entire registers.
+ * Note: The raw register values correspond to multiple interrupt IDs and
+ * the number of interrupt IDs involved depends on the register accessed.
+ ******************************************************************************/
+unsigned int gicd_read_igroupr(uintptr_t base, unsigned int id);
+unsigned int gicd_read_isenabler(uintptr_t base, unsigned int id);
+unsigned int gicd_read_icenabler(uintptr_t base, unsigned int id);
+unsigned int gicd_read_ispendr(uintptr_t base, unsigned int id);
+unsigned int gicd_read_icpendr(uintptr_t base, unsigned int id);
+unsigned int gicd_read_isactiver(uintptr_t base, unsigned int id);
+unsigned int gicd_read_icactiver(uintptr_t base, unsigned int id);
+unsigned int gicd_read_ipriorityr(uintptr_t base, unsigned int id);
+unsigned int gicd_read_icfgr(uintptr_t base, unsigned int id);
+unsigned int gicd_read_nsacr(uintptr_t base, unsigned int id);
+void gicd_write_igroupr(uintptr_t base, unsigned int id, unsigned int val);
+void gicd_write_isenabler(uintptr_t base, unsigned int id, unsigned int val);
+void gicd_write_icenabler(uintptr_t base, unsigned int id, unsigned int val);
+void gicd_write_ispendr(uintptr_t base, unsigned int id, unsigned int val);
+void gicd_write_icpendr(uintptr_t base, unsigned int id, unsigned int val);
+void gicd_write_isactiver(uintptr_t base, unsigned int id, unsigned int val);
+void gicd_write_icactiver(uintptr_t base, unsigned int id, unsigned int val);
+void gicd_write_ipriorityr(uintptr_t base, unsigned int id, unsigned int val);
+void gicd_write_icfgr(uintptr_t base, unsigned int id, unsigned int val);
+void gicd_write_nsacr(uintptr_t base, unsigned int id, unsigned int val);
+
+/*******************************************************************************
+ * GIC Distributor function prototypes for accessing the GIC registers
+ * corresponding to a single interrupt ID. These functions use bitwise
+ * operations or appropriate register accesses to modify or return
+ * the bit-field corresponding the single interrupt ID.
+ ******************************************************************************/
+unsigned int gicd_get_igroupr(uintptr_t base, unsigned int id);
+void gicd_set_igroupr(uintptr_t base, unsigned int id);
+void gicd_clr_igroupr(uintptr_t base, unsigned int id);
+void gicd_set_isenabler(uintptr_t base, unsigned int id);
+void gicd_set_icenabler(uintptr_t base, unsigned int id);
+void gicd_set_ispendr(uintptr_t base, unsigned int id);
+void gicd_set_icpendr(uintptr_t base, unsigned int id);
+unsigned int gicd_get_isactiver(uintptr_t base, unsigned int id);
+void gicd_set_isactiver(uintptr_t base, unsigned int id);
+void gicd_set_icactiver(uintptr_t base, unsigned int id);
+void gicd_set_ipriorityr(uintptr_t base, unsigned int id, unsigned int pri);
+void gicd_set_icfgr(uintptr_t base, unsigned int id, unsigned int cfg);
+
+#endif /* GIC_COMMON_PRIVATE_H_ */