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