1 /* 2 * Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef __TZC400_H__ 8 #define __TZC400_H__ 9 10 #include <tzc_common.h> 11 12 #define BUILD_CONFIG_OFF 0x000 13 #define GATE_KEEPER_OFF 0x008 14 #define SPECULATION_CTRL_OFF 0x00c 15 #define INT_STATUS 0x010 16 #define INT_CLEAR 0x014 17 18 #define FAIL_ADDRESS_LOW_OFF 0x020 19 #define FAIL_ADDRESS_HIGH_OFF 0x024 20 #define FAIL_CONTROL_OFF 0x028 21 #define FAIL_ID 0x02c 22 23 /* ID registers not common across different varieties of TZC */ 24 #define PID5 0xFD4 25 #define PID6 0xFD8 26 #define PID7 0xFDC 27 28 #define BUILD_CONFIG_NF_SHIFT 24 29 #define BUILD_CONFIG_NF_MASK 0x3 30 #define BUILD_CONFIG_AW_SHIFT 8 31 #define BUILD_CONFIG_AW_MASK 0x3f 32 #define BUILD_CONFIG_NR_SHIFT 0 33 #define BUILD_CONFIG_NR_MASK 0x1f 34 35 /* 36 * Number of gate keepers is implementation defined. But we know the max for 37 * this device is 4. Get implementation details from BUILD_CONFIG. 38 */ 39 #define GATE_KEEPER_OS_SHIFT 16 40 #define GATE_KEEPER_OS_MASK 0xf 41 #define GATE_KEEPER_OR_SHIFT 0 42 #define GATE_KEEPER_OR_MASK 0xf 43 #define GATE_KEEPER_FILTER_MASK 0x1 44 45 /* Speculation is enabled by default. */ 46 #define SPECULATION_CTRL_WRITE_DISABLE (1 << 1) 47 #define SPECULATION_CTRL_READ_DISABLE (1 << 0) 48 49 /* Max number of filters allowed is 4. */ 50 #define INT_STATUS_OVERLAP_SHIFT 16 51 #define INT_STATUS_OVERLAP_MASK 0xf 52 #define INT_STATUS_OVERRUN_SHIFT 8 53 #define INT_STATUS_OVERRUN_MASK 0xf 54 #define INT_STATUS_STATUS_SHIFT 0 55 #define INT_STATUS_STATUS_MASK 0xf 56 57 #define INT_CLEAR_CLEAR_SHIFT 0 58 #define INT_CLEAR_CLEAR_MASK 0xf 59 60 #define FAIL_CONTROL_DIR_SHIFT (1 << 24) 61 #define FAIL_CONTROL_DIR_READ 0x0 62 #define FAIL_CONTROL_DIR_WRITE 0x1 63 #define FAIL_CONTROL_NS_SHIFT (1 << 21) 64 #define FAIL_CONTROL_NS_SECURE 0x0 65 #define FAIL_CONTROL_NS_NONSECURE 0x1 66 #define FAIL_CONTROL_PRIV_SHIFT (1 << 20) 67 #define FAIL_CONTROL_PRIV_PRIV 0x0 68 #define FAIL_CONTROL_PRIV_UNPRIV 0x1 69 70 /* 71 * FAIL_ID_ID_MASK depends on AID_WIDTH which is platform specific. 72 * Platform should provide the value on initialisation. 73 */ 74 #define FAIL_ID_VNET_SHIFT 24 75 #define FAIL_ID_VNET_MASK 0xf 76 #define FAIL_ID_ID_SHIFT 0 77 78 #define TZC_400_PERIPHERAL_ID 0x460 79 80 /* Filter enable bits in a TZC */ 81 #define TZC_400_REGION_ATTR_F_EN_MASK 0xf 82 #define TZC_400_REGION_ATTR_FILTER_BIT(x) ((1 << x) \ 83 << TZC_REGION_ATTR_F_EN_SHIFT) 84 #define TZC_400_REGION_ATTR_FILTER_BIT_ALL \ 85 (TZC_400_REGION_ATTR_F_EN_MASK << \ 86 TZC_REGION_ATTR_F_EN_SHIFT) 87 88 /* 89 * Define some macros for backward compatibility with existing tzc400 clients. 90 */ 91 #if !ERROR_DEPRECATED 92 #define REG_ATTR_FILTER_BIT(x) ((1 << x) \ 93 << TZC_REGION_ATTR_F_EN_SHIFT) 94 #define REG_ATTR_FILTER_BIT_ALL (TZC_400_REGION_ATTR_F_EN_MASK << \ 95 TZC_REGION_ATTR_F_EN_SHIFT) 96 #endif /* __ERROR_DEPRECATED__ */ 97 98 /* 99 * All TZC region configuration registers are placed one after another. It 100 * depicts size of block of registers for programming each region. 101 */ 102 #define TZC_400_REGION_SIZE 0x20 103 #define TZC_400_ACTION_OFF 0x4 104 105 #ifndef __ASSEMBLY__ 106 107 #include <cdefs.h> 108 #include <stdint.h> 109 110 /******************************************************************************* 111 * Function & variable prototypes 112 ******************************************************************************/ 113 void tzc400_init(uintptr_t base); 114 void tzc400_configure_region0(tzc_region_attributes_t sec_attr, 115 unsigned int ns_device_access); 116 void tzc400_configure_region(unsigned int filters, 117 int region, 118 unsigned long long region_base, 119 unsigned long long region_top, 120 tzc_region_attributes_t sec_attr, 121 unsigned int ns_device_access); 122 void tzc400_set_action(tzc_action_t action); 123 void tzc400_enable_filters(void); 124 void tzc400_disable_filters(void); 125 126 /* 127 * Deprecated APIs 128 */ 129 static inline void tzc_init(uintptr_t base) __deprecated; 130 static inline void tzc_configure_region0( 131 tzc_region_attributes_t sec_attr, 132 unsigned int ns_device_access) __deprecated; 133 static inline void tzc_configure_region( 134 unsigned int filters, 135 int region, 136 unsigned long long region_base, 137 unsigned long long region_top, 138 tzc_region_attributes_t sec_attr, 139 unsigned int ns_device_access) __deprecated; 140 static inline void tzc_set_action(tzc_action_t action) __deprecated; 141 static inline void tzc_enable_filters(void) __deprecated; 142 static inline void tzc_disable_filters(void) __deprecated; 143 144 static inline void tzc_init(uintptr_t base) 145 { 146 tzc400_init(base); 147 } 148 149 static inline void tzc_configure_region0( 150 tzc_region_attributes_t sec_attr, 151 unsigned int ns_device_access) 152 { 153 tzc400_configure_region0(sec_attr, ns_device_access); 154 } 155 156 static inline void tzc_configure_region( 157 unsigned int filters, 158 int region, 159 unsigned long long region_base, 160 unsigned long long region_top, 161 tzc_region_attributes_t sec_attr, 162 unsigned int ns_device_access) 163 { 164 tzc400_configure_region(filters, region, region_base, 165 region_top, sec_attr, ns_device_access); 166 } 167 168 static inline void tzc_set_action(tzc_action_t action) 169 { 170 tzc400_set_action(action); 171 } 172 173 174 static inline void tzc_enable_filters(void) 175 { 176 tzc400_enable_filters(); 177 } 178 179 static inline void tzc_disable_filters(void) 180 { 181 tzc400_disable_filters(); 182 } 183 184 #endif /* __ASSEMBLY__ */ 185 186 #endif /* __TZC400__ */ 187
