xilinx: Add support to send PM API to PMC using IPI for versal
Port ZynqMP PM services for versal to send PM APIs to PMC
using IPI.
Signed-off-by: Tejas Patel <tejas.patel@xilinx.com>
Signed-off-by: Wendy Liang <wendy.liang@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Change-Id: I27a52faf27f1a2919213498276a6885a177cb6da
diff --git a/plat/xilinx/versal/include/plat_ipi.h b/plat/xilinx/versal/include/plat_ipi.h
new file mode 100644
index 0000000..6b08f32
--- /dev/null
+++ b/plat/xilinx/versal/include/plat_ipi.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2019, Xilinx, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/* Versal IPI management enums and defines */
+
+#ifndef PLAT_IPI_H
+#define PLAT_IPI_H
+
+#include <ipi.h>
+#include <stdint.h>
+
+/*********************************************************************
+ * IPI agent IDs macros
+ ********************************************************************/
+#define IPI_ID_PMC 1U
+#define IPI_ID_APU 2U
+#define IPI_ID_RPU0 3U
+#define IPI_ID_RPU1 4U
+#define IPI_ID_3 5U
+#define IPI_ID_4 6U
+#define IPI_ID_5 7U
+
+/*********************************************************************
+ * IPI message buffers
+ ********************************************************************/
+#define IPI_BUFFER_BASEADDR 0xFF3F0000U
+
+#define IPI_BUFFER_APU_BASE (IPI_BUFFER_BASEADDR + 0x400U)
+#define IPI_BUFFER_PMC_BASE (IPI_BUFFER_BASEADDR + 0x200U)
+
+#define IPI_BUFFER_TARGET_APU_OFFSET 0x0U
+#define IPI_BUFFER_TARGET_PMC_OFFSET 0x40U
+
+#define IPI_BUFFER_LOCAL_BASE IPI_BUFFER_APU_BASE
+#define IPI_BUFFER_REMOTE_BASE IPI_BUFFER_PMC_BASE
+
+#define IPI_BUFFER_TARGET_LOCAL_OFFSET IPI_BUFFER_TARGET_APU_OFFSET
+#define IPI_BUFFER_TARGET_REMOTE_OFFSET IPI_BUFFER_TARGET_PMC_OFFSET
+
+#define IPI_BUFFER_MAX_WORDS 8
+
+#define IPI_BUFFER_REQ_OFFSET 0x0U
+#define IPI_BUFFER_RESP_OFFSET 0x20U
+
+/*********************************************************************
+ * Platform specific IPI API declarations
+ ********************************************************************/
+
+/* Configure IPI table for versal */
+void versal_ipi_config_table_init(void);
+
+#endif /* PLAT_IPI_H */