plat/amd/versal2/include/plat_ipi.h

/*
 * Copyright (c) 2022, Xilinx, Inc. All rights reserved.
 * Copyright (c) 2022-2025, Advanced Micro Devices, Inc. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

/* Versal Gen 2 IPI management enums and defines */

#ifndef PLAT_IPI_H
#define PLAT_IPI_H

#include <stdint.h>
#include <lib/utils_def.h>

#include <ipi.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
#define IPI_ID_MAX	8U

/*********************************************************************
 * IPI message buffers
 ********************************************************************/
#define IPI_BUFFER_BASEADDR	(0xEB3F0000U)

#define IPI_LOCAL_ID		IPI_ID_APU
#define IPI_REMOTE_ID		IPI_ID_PMC

#define IPI_BUFFER_LOCAL_BASE	(IPI_BUFFER_BASEADDR + (IPI_LOCAL_ID * 0x200U))
#define IPI_BUFFER_REMOTE_BASE	(IPI_BUFFER_BASEADDR + (IPI_REMOTE_ID * 0x200U))

#define IPI_BUFFER_TARGET_LOCAL_OFFSET	(IPI_LOCAL_ID * 0x40U)
#define IPI_BUFFER_TARGET_REMOTE_OFFSET	(IPI_REMOTE_ID * 0x40U)

#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 */
extern void soc_ipi_config_table_init(void);

/*******************************************************************************
 * IPI registers and bitfields
 ******************************************************************************/
#define IPI0_REG_BASE		(0xEB330000U)
#define IPI0_TRIG_BIT		BIT_32(2)
#define PMC_IPI_TRIG_BIT	BIT_32(1)
#define IPI1_REG_BASE		(0xEB340000U)
#define IPI1_TRIG_BIT		BIT_32(3)
#define IPI2_REG_BASE		(0xEB350000U)
#define IPI2_TRIG_BIT		BIT_32(4)
#define IPI3_REG_BASE		(0xEB360000U)
#define IPI3_TRIG_BIT		BIT_32(5)
#define IPI4_REG_BASE		(0xEB370000U)
#define IPI4_TRIG_BIT		BIT_32(6)
#define IPI5_REG_BASE		(0xEB380000U)
#define IPI5_TRIG_BIT		BIT_32(7)

#endif /* PLAT_IPI_H */