lib: utils/ipi: Add ACLINT MSWI library

We add common ACLINT MSWI library similar to the CLINT library
so that OpenSBI platforms can use it.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Xiang W <wxjstz@126.com>

include/sbi_utils/ipi/aclint_mswi.h

@@ -0,0 +1,33 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2021 Western Digital Corporation or its affiliates.
+ *
+ * Authors:
+ *   Anup Patel <anup.patel@wdc.com>
+ */
+
+#ifndef __IPI_ACLINT_MSWI_H__
+#define __IPI_ACLINT_MSWI_H__
+
+#include <sbi/sbi_types.h>
+
+#define ACLINT_MSWI_ALIGN		0x1000
+#define ACLINT_MSWI_SIZE		0x4000
+#define ACLINT_MSWI_MAX_HARTS		4095
+
+#define CLINT_MSWI_OFFSET		0x0000
+
+struct aclint_mswi_data {
+	/* Public details */
+	unsigned long addr;
+	unsigned long size;
+	u32 first_hartid;
+	u32 hart_count;
+};
+
+int aclint_mswi_warm_init(void);
+
+int aclint_mswi_cold_init(struct aclint_mswi_data *mswi);
+
+#endif