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1 /*
2  * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #ifndef CCI_H
8 #define CCI_H
9 
10 #include <lib/utils_def.h>
11 
12 /* Slave interface offsets from PERIPHBASE */
13 #define SLAVE_IFACE6_OFFSET		UL(0x7000)
14 #define SLAVE_IFACE5_OFFSET		UL(0x6000)
15 #define SLAVE_IFACE4_OFFSET		UL(0x5000)
16 #define SLAVE_IFACE3_OFFSET		UL(0x4000)
17 #define SLAVE_IFACE2_OFFSET		UL(0x3000)
18 #define SLAVE_IFACE1_OFFSET		UL(0x2000)
19 #define SLAVE_IFACE0_OFFSET		UL(0x1000)
20 #define SLAVE_IFACE_OFFSET(index)	(SLAVE_IFACE0_OFFSET + \
21 					(UL(0x1000) * (index)))
22 
23 /* Slave interface event and count register offsets from PERIPHBASE */
24 #define EVENT_SELECT7_OFFSET		UL(0x80000)
25 #define EVENT_SELECT6_OFFSET		UL(0x70000)
26 #define EVENT_SELECT5_OFFSET		UL(0x60000)
27 #define EVENT_SELECT4_OFFSET		UL(0x50000)
28 #define EVENT_SELECT3_OFFSET		UL(0x40000)
29 #define EVENT_SELECT2_OFFSET		UL(0x30000)
30 #define EVENT_SELECT1_OFFSET		UL(0x20000)
31 #define EVENT_SELECT0_OFFSET		UL(0x10000)
32 #define EVENT_OFFSET(index)		(EVENT_SELECT0_OFFSET + \
33 					(UL(0x10000) * (index)))
34 
35 /* Control and ID register offsets */
36 #define CTRL_OVERRIDE_REG		U(0x0)
37 #define SECURE_ACCESS_REG		U(0x8)
38 #define STATUS_REG			U(0xc)
39 #define IMPRECISE_ERR_REG		U(0x10)
40 #define PERFMON_CTRL_REG		U(0x100)
41 #define IFACE_MON_CTRL_REG		U(0x104)
42 
43 /* Component and peripheral ID registers */
44 #define PERIPHERAL_ID0			U(0xFE0)
45 #define PERIPHERAL_ID1			U(0xFE4)
46 #define PERIPHERAL_ID2			U(0xFE8)
47 #define PERIPHERAL_ID3			U(0xFEC)
48 #define PERIPHERAL_ID4			U(0xFD0)
49 #define PERIPHERAL_ID5			U(0xFD4)
50 #define PERIPHERAL_ID6			U(0xFD8)
51 #define PERIPHERAL_ID7			U(0xFDC)
52 
53 #define COMPONENT_ID0			U(0xFF0)
54 #define COMPONENT_ID1			U(0xFF4)
55 #define COMPONENT_ID2			U(0xFF8)
56 #define COMPONENT_ID3			U(0xFFC)
57 #define COMPONENT_ID4			U(0x1000)
58 #define COMPONENT_ID5			U(0x1004)
59 #define COMPONENT_ID6			U(0x1008)
60 #define COMPONENT_ID7			U(0x100C)
61 
62 /* Slave interface register offsets */
63 #define SNOOP_CTRL_REG			U(0x0)
64 #define SH_OVERRIDE_REG			U(0x4)
65 #define READ_CHNL_QOS_VAL_OVERRIDE_REG	U(0x100)
66 #define WRITE_CHNL_QOS_VAL_OVERRIDE_REG	U(0x104)
67 #define MAX_OT_REG			U(0x110)
68 
69 /* Snoop Control register bit definitions */
70 #define DVM_EN_BIT			BIT_32(1)
71 #define SNOOP_EN_BIT			BIT_32(0)
72 #define SUPPORT_SNOOPS			BIT_32(30)
73 #define SUPPORT_DVM			BIT_32(31)
74 
75 /* Status register bit definitions */
76 #define CHANGE_PENDING_BIT		BIT_32(0)
77 
78 /* Event and count register offsets */
79 #define EVENT_SELECT_REG		U(0x0)
80 #define EVENT_COUNT_REG			U(0x4)
81 #define COUNT_CNTRL_REG			U(0x8)
82 #define COUNT_OVERFLOW_REG		U(0xC)
83 
84 /* Slave interface monitor registers */
85 #define INT_MON_REG_SI0			U(0x90000)
86 #define INT_MON_REG_SI1			U(0x90004)
87 #define INT_MON_REG_SI2			U(0x90008)
88 #define INT_MON_REG_SI3			U(0x9000C)
89 #define INT_MON_REG_SI4			U(0x90010)
90 #define INT_MON_REG_SI5			U(0x90014)
91 #define INT_MON_REG_SI6			U(0x90018)
92 
93 /* Master interface monitor registers */
94 #define INT_MON_REG_MI0			U(0x90100)
95 #define INT_MON_REG_MI1			U(0x90104)
96 #define INT_MON_REG_MI2			U(0x90108)
97 #define INT_MON_REG_MI3			U(0x9010c)
98 #define INT_MON_REG_MI4			U(0x90110)
99 #define INT_MON_REG_MI5			U(0x90114)
100 
101 #define SLAVE_IF_UNUSED			-1
102 
103 #ifndef __ASSEMBLER__
104 
105 #include <stdint.h>
106 
107 /* Function declarations */
108 
109 /*
110  * The ARM CCI driver needs the following:
111  * 1. Base address of the CCI product
112  * 2. An array  of map between AMBA 4 master ids and ACE/ACE lite slave
113  *    interfaces.
114  * 3. Size of the array.
115  *
116  * SLAVE_IF_UNUSED should be used in the map to represent no AMBA 4 master exists
117  * for that interface.
118  */
119 void cci_init(uintptr_t base, const int *map, unsigned int num_cci_masters);
120 
121 void cci_enable_snoop_dvm_reqs(unsigned int master_id);
122 void cci_disable_snoop_dvm_reqs(unsigned int master_id);
123 
124 #endif /* __ASSEMBLER__ */
125 #endif /* CCI_H */
126