1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright 2012-2016 Freescale Semiconductor, Inc.
4  */
5 
6 #ifndef __PAMU_H
7 #define __PAMU_H
8 
9 #define CONFIG_NUM_PAMU		16
10 #define NUM_PPAACT_ENTRIES	512
11 #define NUM_SPAACT_ENTRIES	256
12 
13 /* PAMU_OFFSET to the next pamu space in ccsr */
14 #define PAMU_OFFSET 0x1000
15 
16 #define PAMU_TABLE_ALIGNMENT 0x00001000
17 
18 #define PAMU_PAGE_SHIFT 12
19 #define PAMU_PAGE_SIZE  4096U
20 
21 #define PAACE_M_COHERENCE_REQ   0x01
22 
23 #define PAACE_DA_HOST_CR                0x80
24 #define PAACE_DA_HOST_CR_SHIFT          7
25 
26 #define PAACE_AF_PT                     0x00000002
27 #define PAACE_AF_PT_SHIFT               1
28 
29 #define PAACE_PT_PRIMARY       0x0
30 #define PAACE_PT_SECONDARY     0x1
31 
32 #define PPAACE_AF_WBAL			0xfffff000
33 #define PPAACE_AF_WBAL_SHIFT		12
34 
35 #define	OME_NUMBER_ENTRIES      16   /* based on P4080 2.0 silicon plan */
36 
37 #define PAACE_IA_CID			0x00FF0000
38 #define PAACE_IA_CID_SHIFT		16
39 #define PAACE_IA_WCE			0x000000F0
40 #define PAACE_IA_WCE_SHIFT		4
41 #define PAACE_IA_ATM			0x0000000C
42 #define PAACE_IA_ATM_SHIFT		2
43 #define PAACE_IA_OTM			0x00000003
44 #define PAACE_IA_OTM_SHIFT		0
45 
46 #define PAACE_OTM_NO_XLATE      0x00
47 #define PAACE_OTM_IMMEDIATE     0x01
48 #define PAACE_OTM_INDEXED       0x02
49 #define PAACE_OTM_RESERVED      0x03
50 #define PAACE_ATM_NO_XLATE      0x00
51 #define PAACE_ATM_WINDOW_XLATE  0x01
52 #define PAACE_ATM_PAGE_XLATE    0x02
53 #define PAACE_ATM_WIN_PG_XLATE  \
54 	(PAACE_ATM_WINDOW_XLATE | PAACE_ATM_PAGE_XLATE)
55 #define PAACE_WIN_TWBAL			0xfffff000
56 #define PAACE_WIN_TWBAL_SHIFT		12
57 #define PAACE_WIN_SWSE			0x00000fc0
58 #define PAACE_WIN_SWSE_SHIFT		6
59 
60 #define PAACE_AF_AP			0x00000018
61 #define PAACE_AF_AP_SHIFT		3
62 #define PAACE_AF_DD			0x00000004
63 #define PAACE_AF_DD_SHIFT		2
64 #define PAACE_AF_PT			0x00000002
65 #define PAACE_AF_PT_SHIFT		1
66 #define PAACE_AF_V			0x00000001
67 #define PAACE_AF_V_SHIFT		0
68 #define PPAACE_AF_WSE			0x00000fc0
69 #define PPAACE_AF_WSE_SHIFT		6
70 #define PPAACE_AF_MW			0x00000020
71 #define PPAACE_AF_MW_SHIFT		5
72 
73 #define PAACE_AP_PERMS_DENIED  0x0
74 #define PAACE_AP_PERMS_QUERY   0x1
75 #define PAACE_AP_PERMS_UPDATE  0x2
76 #define PAACE_AP_PERMS_ALL     0x3
77 
78 #define SPAACE_AF_LIODN			0xffff0000
79 #define SPAACE_AF_LIODN_SHIFT		16
80 #define PAACE_V_VALID          0x1
81 
82 #define set_bf(v, m, x)             (v = ((v) & ~(m)) | (((x) << \
83 					(m##_SHIFT)) & (m)))
84 #define get_bf(v, m)            (((v) & (m)) >> (m##_SHIFT))
85 
86 #define DEFAULT_NUM_SUBWINDOWS		128
87 #define PAMU_PCR_OFFSET 0xc10
88 #define PAMU_PCR_PE	0x40000000
89 
90 struct pamu_addr_tbl {
91 	phys_addr_t start_addr[10];
92 	phys_addr_t end_addr[10];
93 	phys_size_t size[10];
94 };
95 
96 struct paace {
97 	/* PAACE Offset 0x00 */
98 	uint32_t wbah;			/* only valid for Primary PAACE */
99 	uint32_t addr_bitfields;	/* See P/S PAACE_AF_* */
100 
101 	/* PAACE Offset 0x08 */
102 	/* Interpretation of first 32 bits dependent on DD above */
103 	union {
104 		struct {
105 			/* Destination ID, see PAACE_DID_* defines */
106 			uint8_t did;
107 			/* Partition ID */
108 			uint8_t pid;
109 			/* Snoop ID */
110 			uint8_t snpid;
111 			/* coherency_required : 1 reserved : 7 */
112 			uint8_t coherency_required; /* See PAACE_DA_* */
113 		} to_host;
114 		struct {
115 			/* Destination ID, see PAACE_DID_* defines */
116 			uint8_t  did;
117 			uint8_t  reserved1;
118 			uint16_t reserved2;
119 		} to_io;
120 	} domain_attr;
121 
122 	/* Implementation attributes + window count + address & operation
123 	 * translation modes
124 	 */
125 	uint32_t impl_attr;			/* See PAACE_IA_* */
126 
127 	/* PAACE Offset 0x10 */
128 	/* Translated window base address */
129 	uint32_t twbah;
130 	uint32_t win_bitfields;			/* See PAACE_WIN_* */
131 
132 	/* PAACE Offset 0x18 */
133 	/* first secondary paace entry */
134 	uint32_t fspi;			/* only valid for Primary PAACE */
135 	union {
136 		struct {
137 			uint8_t ioea;
138 			uint8_t moea;
139 			uint8_t ioeb;
140 			uint8_t moeb;
141 		} immed_ot;
142 		struct {
143 			uint16_t reserved;
144 			uint16_t omi;
145 		} index_ot;
146 	} op_encode;
147 
148 	/* PAACE Offset 0x20 */
149 	uint32_t reserved1[2];			/* not currently implemented */
150 
151 	/* PAACE Offset 0x28 */
152 	uint32_t reserved2[2];			/* not currently implemented */
153 
154 	/* PAACE Offset 0x30 */
155 	uint32_t reserved3[2];			/* not currently implemented */
156 
157 	/* PAACE Offset 0x38 */
158 	uint32_t reserved4[2];			/* not currently implemented */
159 
160 };
161 
162 int pamu_init(void);
163 void pamu_enable(void);
164 void pamu_disable(void);
165 int config_pamu(struct pamu_addr_tbl *tbl, int num_entries, uint32_t liodn);
166 int sec_config_pamu_table(uint32_t liodn_ns, uint32_t liodn_s);
167 
168 #endif
169