ArmPkg/Include/Chipset/ArmV7.h

   1 /** @file
   2
   3   Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
   4
   5   This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #ifndef __ARM_V7_H__
  16 #define __ARM_V7_H__
  17
  18 // Domain Access Control Register
  19 #define DOMAIN_ACCESS_CONTROL_MASK(a)     (3UL << (2 * (a)))
  20 #define DOMAIN_ACCESS_CONTROL_NONE(a)     (0UL << (2 * (a)))
  21 #define DOMAIN_ACCESS_CONTROL_CLIENT(a)   (1UL << (2 * (a)))
  22 #define DOMAIN_ACCESS_CONTROL_RESERVED(a) (2UL << (2 * (a)))
  23 #define DOMAIN_ACCESS_CONTROL_MANAGER(a)  (3UL << (2 * (a)))
  24
  25 #define TTBR_NOT_OUTER_SHAREABLE             BIT5
  26 #define TTBR_RGN_OUTER_NON_CACHEABLE         0
  27 #define TTBR_RGN_OUTER_WRITE_BACK_ALLOC      BIT3
  28 #define TTBR_RGN_OUTER_WRITE_THROUGH         BIT4
  29 #define TTBR_RGN_OUTER_WRITE_BACK_NO_ALLOC   (BIT3|BIT4)
  30 #define TTBR_SHAREABLE                       BIT1
  31 #define TTBR_NON_SHAREABLE                   0
  32 #define TTBR_INNER_CACHEABLE                 BIT0
  33 #define TTBR_NON_INNER_CACHEABLE             BIT0
  34 #define TTBR_RGN_INNER_NON_CACHEABLE         0
  35 #define TTBR_RGN_INNER_WRITE_BACK_ALLOC      BIT6
  36 #define TTBR_RGN_INNER_WRITE_THROUGH         BIT0
  37 #define TTBR_RGN_INNER_WRITE_BACK_NO_ALLOC   (BIT0|BIT6)
  38
  39 #define TTBR_WRITE_THROUGH_NO_ALLOC     ( TTBR_RGN_OUTER_WRITE_BACK_ALLOC | TTBR_RGN_INNER_WRITE_BACK_ALLOC )
  40 #define TTBR_WRITE_BACK_NO_ALLOC        ( TTBR_RGN_OUTER_WRITE_BACK_NO_ALLOC | TTBR_RGN_INNER_WRITE_BACK_NO_ALLOC )
  41 #define TTBR_NON_CACHEABLE              ( TTBR_RGN_OUTER_NON_CACHEABLE | TTBR_RGN_INNER_NON_CACHEABLE )
  42 #define TTBR_WRITE_BACK_ALLOC           ( TTBR_RGN_OUTER_WRITE_BACK_ALLOC | TTBR_RGN_INNER_WRITE_BACK_ALLOC )
  43
  44
  45 #define TRANSLATION_TABLE_SECTION_COUNT                 4096
  46 #define TRANSLATION_TABLE_SECTION_SIZE                  (sizeof(UINT32) * TRANSLATION_TABLE_SECTION_COUNT)
  47 #define TRANSLATION_TABLE_SECTION_ALIGNMENT             (sizeof(UINT32) * TRANSLATION_TABLE_SECTION_COUNT)
  48 #define TRANSLATION_TABLE_SECTION_ALIGNMENT_MASK        (TRANSLATION_TABLE_SECTION_ALIGNMENT - 1)
  49
  50 #define TRANSLATION_TABLE_PAGE_COUNT                 256
  51 #define TRANSLATION_TABLE_PAGE_SIZE                  (sizeof(UINT32) * TRANSLATION_TABLE_PAGE_COUNT)
  52 #define TRANSLATION_TABLE_PAGE_ALIGNMENT             (sizeof(UINT32) * TRANSLATION_TABLE_PAGE_COUNT)
  53 #define TRANSLATION_TABLE_PAGE_ALIGNMENT_MASK        (TRANSLATION_TABLE_PAGE_ALIGNMENT - 1)
  54
  55 #define TRANSLATION_TABLE_ENTRY_FOR_VIRTUAL_ADDRESS(table, address) ((UINT32 *)(table) + (((UINTN)(address)) >> 20))
  56
  57 // Translation table descriptor types
  58 #define TT_DESCRIPTOR_SECTION_TYPE_MASK         ((1UL << 18) | (3UL << 0))
  59 #define TT_DESCRIPTOR_SECTION_TYPE_FAULT        (0UL << 0)
  60 #define TT_DESCRIPTOR_SECTION_TYPE_PAGE_TABLE   (1UL << 0)
  61 #define TT_DESCRIPTOR_SECTION_TYPE_SECTION      ((0UL << 18) | (2UL << 0))
  62 #define TT_DESCRIPTOR_SECTION_TYPE_SUPERSECTION ((1UL << 18) | (2UL << 0))
  63 #define TT_DESCRIPTOR_SECTION_TYPE_IS_PAGE_TABLE(Desc) (((Desc) & 3UL) == TT_DESCRIPTOR_SECTION_TYPE_PAGE_TABLE)
  64
  65 // Translation table descriptor types
  66 #define TT_DESCRIPTOR_PAGE_TYPE_MASK         (3UL << 0)
  67 #define TT_DESCRIPTOR_PAGE_TYPE_FAULT        (0UL << 0)
  68 #define TT_DESCRIPTOR_PAGE_TYPE_PAGE         (2UL << 0)
  69 #define TT_DESCRIPTOR_PAGE_TYPE_PAGE_XN      (3UL << 0)
  70 #define TT_DESCRIPTOR_PAGE_TYPE_LARGEPAGE    (1UL << 0)
  71
  72 // Section descriptor definitions
  73 #define TT_DESCRIPTOR_SECTION_SIZE                              (0x00100000)
  74
  75 #define TT_DESCRIPTOR_SECTION_NS_MASK                           (1UL << 19)
  76 #define TT_DESCRIPTOR_SECTION_NS_SECURE                         (0UL << 19)
  77 #define TT_DESCRIPTOR_SECTION_NS_NON_SECURE                     (1UL << 19)
  78
  79 #define TT_DESCRIPTOR_SECTION_NG_MASK                           (1UL << 17)
  80 #define TT_DESCRIPTOR_SECTION_NG_GLOBAL                         (0UL << 17)
  81 #define TT_DESCRIPTOR_SECTION_NG_LOCAL                          (1UL << 17)
  82
  83 #define TT_DESCRIPTOR_PAGE_NG_MASK                              (1UL << 11)
  84 #define TT_DESCRIPTOR_PAGE_NG_GLOBAL                            (0UL << 11)
  85 #define TT_DESCRIPTOR_PAGE_NG_LOCAL                             (1UL << 11)
  86
  87 #define TT_DESCRIPTOR_SECTION_S_MASK                            (1UL << 16)
  88 #define TT_DESCRIPTOR_SECTION_S_NOT_SHARED                      (0UL << 16)
  89 #define TT_DESCRIPTOR_SECTION_S_SHARED                          (1UL << 16)
  90
  91 #define TT_DESCRIPTOR_PAGE_S_MASK                               (1UL << 10)
  92 #define TT_DESCRIPTOR_PAGE_S_NOT_SHARED                         (0UL << 10)
  93 #define TT_DESCRIPTOR_PAGE_S_SHARED                             (1UL << 10)
  94
  95 #define TT_DESCRIPTOR_SECTION_AP_MASK                           ((1UL << 15) | (3UL << 10))
  96 #define TT_DESCRIPTOR_SECTION_AP_NO_NO                          ((0UL << 15) | (0UL << 10))
  97 #define TT_DESCRIPTOR_SECTION_AP_RW_NO                          ((0UL << 15) | (1UL << 10))
  98 #define TT_DESCRIPTOR_SECTION_AP_RW_RO                          ((0UL << 15) | (2UL << 10))
  99 #define TT_DESCRIPTOR_SECTION_AP_RW_RW                          ((0UL << 15) | (3UL << 10))
 100 #define TT_DESCRIPTOR_SECTION_AP_RO_NO                          ((1UL << 15) | (1UL << 10))
 101 #define TT_DESCRIPTOR_SECTION_AP_RO_RO                          ((1UL << 15) | (3UL << 10))
 102
 103 #define TT_DESCRIPTOR_PAGE_AP_MASK                              ((1UL << 9) | (3UL << 4))
 104 #define TT_DESCRIPTOR_PAGE_AP_NO_NO                             ((0UL << 9) | (0UL << 4))
 105 #define TT_DESCRIPTOR_PAGE_AP_RW_NO                             ((0UL << 9) | (1UL << 4))
 106 #define TT_DESCRIPTOR_PAGE_AP_RW_RO                             ((0UL << 9) | (2UL << 4))
 107 #define TT_DESCRIPTOR_PAGE_AP_RW_RW                             ((0UL << 9) | (3UL << 4))
 108 #define TT_DESCRIPTOR_PAGE_AP_RO_NO                             ((1UL << 9) | (1UL << 4))
 109 #define TT_DESCRIPTOR_PAGE_AP_RO_RO                             ((1UL << 9) | (3UL << 4))
 110
 111 #define TT_DESCRIPTOR_SECTION_XN_MASK                           (0x1UL << 4)
 112 #define TT_DESCRIPTOR_PAGE_XN_MASK                              (0x1UL << 0)
 113 #define TT_DESCRIPTOR_LARGEPAGE_XN_MASK                         (0x1UL << 15)
 114
 115 #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK                   ((3UL << 12) | (1UL << 3) | (1UL << 2))
 116 #define TT_DESCRIPTOR_SECTION_CACHEABLE_MASK                       (1UL << 3)
 117 #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_STRONGLY_ORDERED       ((0UL << 12) | (0UL << 3) | (0UL << 2))
 118 #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_SHAREABLE_DEVICE       ((0UL << 12) | (0UL << 3) | (1UL << 2))
 119 #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC ((0UL << 12) | (1UL << 3) | (0UL << 2))
 120 #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_NO_ALLOC    ((0UL << 12) | (1UL << 3) | (1UL << 2))
 121 #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_CACHEABLE          ((1UL << 12) | (0UL << 3) | (0UL << 2))
 122 #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_ALLOC       ((1UL << 12) | (1UL << 3) | (1UL << 2))
 123 #define TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_SHAREABLE_DEVICE   ((2UL << 12) | (0UL << 3) | (0UL << 2))
 124
 125 #define TT_DESCRIPTOR_PAGE_CACHE_POLICY_MASK                   ((3UL << 6) | (1UL << 3) | (1UL << 2))
 126 #define TT_DESCRIPTOR_PAGE_CACHEABLE_MASK                       (1UL << 3)
 127 #define TT_DESCRIPTOR_PAGE_CACHE_POLICY_STRONGLY_ORDERED       ((0UL << 6) | (0UL << 3) | (0UL << 2))
 128 #define TT_DESCRIPTOR_PAGE_CACHE_POLICY_SHAREABLE_DEVICE       ((0UL << 6) | (0UL << 3) | (1UL << 2))
 129 #define TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC ((0UL << 6) | (1UL << 3) | (0UL << 2))
 130 #define TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_BACK_NO_ALLOC    ((0UL << 6) | (1UL << 3) | (1UL << 2))
 131 #define TT_DESCRIPTOR_PAGE_CACHE_POLICY_NON_CACHEABLE          ((1UL << 6) | (0UL << 3) | (0UL << 2))
 132 #define TT_DESCRIPTOR_PAGE_CACHE_POLICY_WRITE_BACK_ALLOC       ((1UL << 6) | (1UL << 3) | (1UL << 2))
 133 #define TT_DESCRIPTOR_PAGE_CACHE_POLICY_NON_SHAREABLE_DEVICE   ((2UL << 6) | (0UL << 3) | (0UL << 2))
 134
 135 #define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_MASK                   ((3UL << 12) | (0UL << 3) | (0UL << 2))
 136 #define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_STRONGLY_ORDERED       ((0UL << 12) | (0UL << 3) | (0UL << 2))
 137 #define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_SHAREABLE_DEVICE       ((0UL << 12) | (0UL << 3) | (1UL << 2))
 138 #define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC ((0UL << 12) | (1UL << 3) | (0UL << 2))
 139 #define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_WRITE_BACK_NO_ALLOC    ((0UL << 12) | (1UL << 3) | (1UL << 2))
 140 #define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_NON_CACHEABLE          ((1UL << 12) | (0UL << 3) | (0UL << 2))
 141 #define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_WRITE_BACK_ALLOC       ((1UL << 12) | (1UL << 3) | (1UL << 2))
 142 #define TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_NON_SHAREABLE_DEVICE   ((2UL << 12) | (0UL << 3) | (0UL << 2))
 143
 144 #define TT_DESCRIPTOR_CONVERT_TO_PAGE_AP(Desc)                  ((((Desc) & TT_DESCRIPTOR_SECTION_AP_MASK) >> 6) & TT_DESCRIPTOR_PAGE_AP_MASK)
 145 #define TT_DESCRIPTOR_CONVERT_TO_PAGE_NG(Desc)                  ((((Desc) & TT_DESCRIPTOR_SECTION_NG_MASK) >> 6) & TT_DESCRIPTOR_PAGE_NG_MASK)
 146 #define TT_DESCRIPTOR_CONVERT_TO_PAGE_S(Desc)                  ((((Desc) & TT_DESCRIPTOR_SECTION_S_MASK) >> 6) & TT_DESCRIPTOR_PAGE_S_MASK)
 147 #define TT_DESCRIPTOR_CONVERT_TO_PAGE_XN(Desc,IsLargePage)      ((IsLargePage)? \
 148                                                                     ((((Desc) & TT_DESCRIPTOR_SECTION_XN_MASK) >> 4) & TT_DESCRIPTOR_LARGEPAGE_XN_MASK):    \
 149                                                                     ((((Desc) & TT_DESCRIPTOR_SECTION_XN_MASK) << 11) & TT_DESCRIPTOR_PAGE_XN_MASK))
 150 #define TT_DESCRIPTOR_CONVERT_TO_PAGE_CACHE_POLICY(Desc,IsLargePage)      (IsLargePage? \
 151                                                                     (((Desc) & TT_DESCRIPTOR_SECTION_CACHE_POLICY_MASK) & TT_DESCRIPTOR_LARGEPAGE_CACHE_POLICY_MASK): \
 152                                                                     (((((Desc) & (0x3 << 12)) >> 6) | (Desc & (0x3 << 2)))))
 153
 154 #define TT_DESCRIPTOR_SECTION_DOMAIN_MASK                       (0x0FUL << 5)
 155 #define TT_DESCRIPTOR_SECTION_DOMAIN(a)                         (((a) & 0x0FUL) << 5)
 156
 157 #define TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK                 (0xFFF00000)
 158 #define TT_DESCRIPTOR_SECTION_PAGETABLE_ADDRESS_MASK            (0xFFFFFC00)
 159 #define TT_DESCRIPTOR_SECTION_BASE_ADDRESS(a)                   ((a) & TT_DESCRIPTOR_SECTION_BASE_ADDRESS_MASK)
 160 #define TT_DESCRIPTOR_SECTION_BASE_SHIFT                        20
 161
 162 #define TT_DESCRIPTOR_PAGE_BASE_ADDRESS_MASK                 (0xFFFFF000)
 163 #define TT_DESCRIPTOR_PAGE_INDEX_MASK                        (0x000FF000)
 164 #define TT_DESCRIPTOR_PAGE_BASE_ADDRESS(a)                   ((a) & TT_DESCRIPTOR_PAGE_BASE_ADDRESS_MASK)
 165 #define TT_DESCRIPTOR_PAGE_BASE_SHIFT                        12
 166
 167 #define TT_DESCRIPTOR_SECTION_WRITE_BACK(Secure)       (TT_DESCRIPTOR_SECTION_TYPE_SECTION                                                           | \
 168                                                         ((Secure) ?  TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE )    | \
 169                                                                      TT_DESCRIPTOR_SECTION_NG_GLOBAL                         | \
 170                                                                      TT_DESCRIPTOR_SECTION_S_NOT_SHARED                      | \
 171                                                                      TT_DESCRIPTOR_SECTION_DOMAIN(0)                         | \
 172                                                                      TT_DESCRIPTOR_SECTION_AP_RW_RW                          | \
 173                                                                      TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_BACK_ALLOC)
 174 #define TT_DESCRIPTOR_SECTION_WRITE_THROUGH(Secure)    (TT_DESCRIPTOR_SECTION_TYPE_SECTION                                                           | \
 175                                                         ((Secure) ?  TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE )    | \
 176                                                                      TT_DESCRIPTOR_SECTION_NG_GLOBAL                         | \
 177                                                                      TT_DESCRIPTOR_SECTION_S_NOT_SHARED                      | \
 178                                                                      TT_DESCRIPTOR_SECTION_DOMAIN(0)                         | \
 179                                                                      TT_DESCRIPTOR_SECTION_AP_RW_RW                          | \
 180                                                                      TT_DESCRIPTOR_SECTION_CACHE_POLICY_WRITE_THROUGH_NO_ALLOC)
 181 #define TT_DESCRIPTOR_SECTION_DEVICE(Secure)           (TT_DESCRIPTOR_SECTION_TYPE_SECTION                                                           | \
 182                                                         ((Secure) ?  TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE )    | \
 183                                                                      TT_DESCRIPTOR_SECTION_NG_GLOBAL                         | \
 184                                                                      TT_DESCRIPTOR_SECTION_S_NOT_SHARED                      | \
 185                                                                      TT_DESCRIPTOR_SECTION_DOMAIN(0)                         | \
 186                                                                      TT_DESCRIPTOR_SECTION_AP_RW_RW                          | \
 187                                                                      TT_DESCRIPTOR_SECTION_CACHE_POLICY_SHAREABLE_DEVICE)
 188 #define TT_DESCRIPTOR_SECTION_UNCACHED(Secure)         (TT_DESCRIPTOR_SECTION_TYPE_SECTION                                                           | \
 189                                                         ((Secure) ?  TT_DESCRIPTOR_SECTION_NS_SECURE : TT_DESCRIPTOR_SECTION_NS_NON_SECURE )    | \
 190                                                                      TT_DESCRIPTOR_SECTION_NG_GLOBAL                         | \
 191                                                                      TT_DESCRIPTOR_SECTION_S_NOT_SHARED                      | \
 192                                                                      TT_DESCRIPTOR_SECTION_DOMAIN(0)                         | \
 193                                                                      TT_DESCRIPTOR_SECTION_AP_RW_RW                          | \
 194                                                                      TT_DESCRIPTOR_SECTION_CACHE_POLICY_NON_CACHEABLE)
 195
 196 // Cortex A9 feature bit definitions
 197 #define A9_FEATURE_PARITY  (1<<9)
 198 #define A9_FEATURE_AOW     (1<<8)
 199 #define A9_FEATURE_EXCL    (1<<7)
 200 #define A9_FEATURE_SMP     (1<<6)
 201 #define A9_FEATURE_FOZ     (1<<3)
 202 #define A9_FEATURE_DPREF   (1<<2)
 203 #define A9_FEATURE_HINT    (1<<1)
 204 #define A9_FEATURE_FWD     (1<<0)
 205
 206 // SCU register offsets & masks
 207 #define SCU_CONTROL_OFFSET       0x0
 208 #define SCU_CONFIG_OFFSET        0x4
 209 #define SCU_INVALL_OFFSET        0xC
 210 #define SCU_FILT_START_OFFSET    0x40
 211 #define SCU_FILT_END_OFFSET      0x44
 212 #define SCU_SACR_OFFSET          0x50
 213 #define SCU_SSACR_OFFSET         0x54
 214
 215 #define SMP_GIC_CPUIF_BASE       0x100
 216 #define SMP_GIC_DIST_BASE        0x1000
 217
 218 // CPACR - Coprocessor Access Control Register defintions
 219 #define CPACR_CP_DENIED(cp)     0x00
 220 #define CPACR_CP_PRIV(cp)       ((0x1 << ((cp) << 1)) & 0x0FFFFFFF)
 221 #define CPACR_CP_FULL(cp)       ((0x3 << ((cp) << 1)) & 0x0FFFFFFF)
 222 #define CPACR_ASEDIS            (1 << 31)
 223 #define CPACR_D32DIS            (1 << 30)
 224 #define CPACR_CP_FULL_ACCESS    0x0FFFFFFF
 225
 226 // NSACR - Non-Secure Access Control Register defintions
 227 #define NSACR_CP(cp)            ((1 << (cp)) & 0x3FFF)
 228 #define NSACR_NSD32DIS          (1 << 14)
 229 #define NSACR_NSASEDIS          (1 << 15)
 230 #define NSACR_PLE               (1 << 16)
 231 #define NSACR_TL                (1 << 17)
 232 #define NSACR_NS_SMP            (1 << 18)
 233 #define NSACR_RFR               (1 << 19)
 234
 235 // SCR - Secure Configuration Register defintions
 236 #define SCR_NS                  (1 << 0)
 237 #define SCR_IRQ                 (1 << 1)
 238 #define SCR_FIQ                 (1 << 2)
 239 #define SCR_EA                  (1 << 3)
 240 #define SCR_FW                  (1 << 4)
 241 #define SCR_AW                  (1 << 5)
 242
 243 VOID
 244 EFIAPI
 245 ArmEnableSWPInstruction (
 246   VOID
 247   );
 248
 249 VOID
 250 EFIAPI
 251 ArmWriteNsacr (
 252   IN  UINT32   SetWayFormat
 253   );
 254
 255 VOID
 256 EFIAPI
 257 ArmWriteScr (
 258   IN  UINT32   SetWayFormat
 259   );
 260
 261 VOID
 262 EFIAPI
 263 ArmWriteVMBar (
 264   IN  UINT32   SetWayFormat
 265   );
 266
 267 VOID
 268 EFIAPI
 269 ArmWriteVBar (
 270   IN  UINT32   SetWayFormat
 271   );
 272
 273 UINT32
 274 EFIAPI
 275 ArmReadVBar (
 276   VOID
 277   );
 278
 279 VOID
 280 EFIAPI
 281 ArmWriteCPACR (
 282   IN  UINT32   SetWayFormat
 283   );
 284
 285 VOID
 286 EFIAPI
 287 ArmEnableVFP (
 288   VOID
 289   );
 290
 291 VOID
 292 EFIAPI
 293 ArmCallWFI (
 294   VOID
 295   );
 296
 297 VOID
 298 EFIAPI
 299 ArmInvalidScu (
 300   VOID
 301   );
 302
 303
 304 UINTN
 305 EFIAPI
 306 ArmGetScuBaseAddress (
 307   VOID
 308   );
 309
 310 UINT32
 311 EFIAPI
 312 ArmIsScuEnable(
 313   VOID
 314   );
 315
 316 VOID
 317 EFIAPI
 318 ArmWriteAuxCr (
 319   IN  UINT32    Bit
 320   );
 321
 322 UINT32
 323 EFIAPI
 324 ArmReadAuxCr (
 325   VOID
 326   );
 327
 328 VOID
 329 EFIAPI
 330 ArmSetAuxCrBit (
 331   IN  UINT32    Bits
 332   );
 333
 334 VOID
 335 EFIAPI
 336 ArmSetupSmpNonSecure (
 337   IN  UINTN                     CoreId
 338   );
 339
 340
 341 UINTN
 342 EFIAPI
 343 ArmReadCbar(
 344 VOID
 345 );
 346
 347 VOID
 348 EFIAPI
 349 ArmInvalidateInstructionAndDataTlb(
 350 VOID
 351 );
 352
 353
 354 UINTN
 355 EFIAPI
 356 ArmReadMpidr(
 357 VOID
 358 );
 359
 360
 361 #endif // __ARM_V7_H__