xref: /rk3399_ARM-atf/plat/amd/versal2/include/plat_ipi.h (revision e18e67fc5290351f33ead46a5102ec09be134640)
1 /*
2  * Copyright (c) 2022, Xilinx, Inc. All rights reserved.
3  * Copyright (c) 2022-2025, Advanced Micro Devices, Inc. All rights reserved.
4  *
5  * SPDX-License-Identifier: BSD-3-Clause
6  */
7 
8 /* Versal Gen 2 IPI management enums and defines */
9 
10 #ifndef PLAT_IPI_H
11 #define PLAT_IPI_H
12 
13 #include <stdint.h>
14 #include <lib/utils_def.h>
15 
16 #include <ipi.h>
17 
18 /*********************************************************************
19  * IPI agent IDs macros
20  ********************************************************************/
21 #define IPI_ID_PMC	1U
22 #define IPI_ID_APU	2U
23 #define IPI_ID_RPU0	3U
24 #define IPI_ID_RPU1	4U
25 #define IPI_ID_3	5U
26 #define IPI_ID_4	6U
27 #define IPI_ID_5	7U
28 #define IPI_ID_MAX	8U
29 
30 /*********************************************************************
31  * IPI message buffers
32  ********************************************************************/
33 #define IPI_BUFFER_BASEADDR	(0xEB3F0000U)
34 
35 #define IPI_LOCAL_ID		IPI_ID_APU
36 #define IPI_REMOTE_ID		IPI_ID_PMC
37 
38 #define IPI_BUFFER_LOCAL_BASE	(IPI_BUFFER_BASEADDR + (IPI_LOCAL_ID * 0x200U))
39 #define IPI_BUFFER_REMOTE_BASE	(IPI_BUFFER_BASEADDR + (IPI_REMOTE_ID * 0x200U))
40 
41 #define IPI_BUFFER_TARGET_LOCAL_OFFSET	(IPI_LOCAL_ID * 0x40U)
42 #define IPI_BUFFER_TARGET_REMOTE_OFFSET	(IPI_REMOTE_ID * 0x40U)
43 
44 #define IPI_BUFFER_MAX_WORDS	8
45 
46 #define IPI_BUFFER_REQ_OFFSET	0x0U
47 #define IPI_BUFFER_RESP_OFFSET	0x20U
48 
49 /*********************************************************************
50  * Platform specific IPI API declarations
51  ********************************************************************/
52 
53 /* Configure IPI table */
54 extern void soc_ipi_config_table_init(void);
55 
56 /*******************************************************************************
57  * IPI registers and bitfields
58  ******************************************************************************/
59 #define IPI0_REG_BASE		(0xEB330000U)
60 #define IPI0_TRIG_BIT		BIT_32(2)
61 #define PMC_IPI_TRIG_BIT	BIT_32(1)
62 #define IPI1_REG_BASE		(0xEB340000U)
63 #define IPI1_TRIG_BIT		BIT_32(3)
64 #define IPI2_REG_BASE		(0xEB350000U)
65 #define IPI2_TRIG_BIT		BIT_32(4)
66 #define IPI3_REG_BASE		(0xEB360000U)
67 #define IPI3_TRIG_BIT		BIT_32(5)
68 #define IPI4_REG_BASE		(0xEB370000U)
69 #define IPI4_TRIG_BIT		BIT_32(6)
70 #define IPI5_REG_BASE		(0xEB380000U)
71 #define IPI5_TRIG_BIT		BIT_32(7)
72 
73 #endif /* PLAT_IPI_H */
74