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-rw-r--r--plat/xilinx/common/include/ipi.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/plat/xilinx/common/include/ipi.h b/plat/xilinx/common/include/ipi.h
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+/*
+ * Copyright (c) 2018, Xilinx, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/* Xilinx IPI management configuration data and macros */
+
+#ifndef IPI_H
+#define IPI_H
+
+#include <stdint.h>
+
+/*********************************************************************
+ * IPI mailbox status macros
+ ********************************************************************/
+#define IPI_MB_STATUS_IDLE (0U)
+#define IPI_MB_STATUS_SEND_PENDING (1U)
+#define IPI_MB_STATUS_RECV_PENDING (2U)
+
+/*********************************************************************
+ * IPI mailbox call is secure or not macros
+ ********************************************************************/
+#define IPI_MB_CALL_NOTSECURE (0U)
+#define IPI_MB_CALL_SECURE (1U)
+
+/*********************************************************************
+ * IPI secure check
+ ********************************************************************/
+#define IPI_SECURE_MASK (0x1U)
+#define IPI_IS_SECURE(I) ((ipi_table[(I)].secure_only & \
+ IPI_SECURE_MASK) ? 1 : 0)
+
+/*********************************************************************
+ * Struct definitions
+ ********************************************************************/
+
+/* structure to maintain IPI configuration information */
+struct ipi_config {
+ unsigned int ipi_bit_mask;
+ unsigned int ipi_reg_base;
+ unsigned char secure_only;
+};
+
+/*********************************************************************
+ * IPI APIs declarations
+ ********************************************************************/
+
+/* Initialize IPI configuration table */
+void ipi_config_table_init(const struct ipi_config *ipi_config_table,
+ uint32_t total_ipi);
+
+/* Validate IPI mailbox access */
+int ipi_mb_validate(uint32_t local, uint32_t remote, unsigned int is_secure);
+
+/* Open the IPI mailbox */
+void ipi_mb_open(uint32_t local, uint32_t remote);
+
+/* Release the IPI mailbox */
+void ipi_mb_release(uint32_t local, uint32_t remote);
+
+/* Enquire IPI mailbox status */
+int ipi_mb_enquire_status(uint32_t local, uint32_t remote);
+
+/* Trigger notification on the IPI mailbox */
+void ipi_mb_notify(uint32_t local, uint32_t remote, uint32_t is_blocking);
+
+/* Ack IPI mailbox notification */
+void ipi_mb_ack(uint32_t local, uint32_t remote);
+
+/* Disable IPI mailbox notification interrupt */
+void ipi_mb_disable_irq(uint32_t local, uint32_t remote);
+
+/* Enable IPI mailbox notification interrupt */
+void ipi_mb_enable_irq(uint32_t local, uint32_t remote);
+
+#endif /* IPI_H */