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TARGET_NUCLEO_F446RE/core_ca_mmu.h@106:ba1f97679dad, 2015-09-02 (annotated)

Committer:
Kojto
Date:
Wed Sep 02 14:17:43 2015 +0100
Revision:
106:ba1f97679dad
Child:
108:34e6b704fe68
Release 106  of the mbed library



Changes:

- new platform - Nucleo F446RE

- STM32F4 Cube driver update v2.3.2

- ST cmsis driver v2.3.2

- nordic bugfix gcc linker start address

- lpc11u68 - bugfix for serial ports

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 106:ba1f97679dad 1 ;/**************************************************************************//**
Kojto 106:ba1f97679dad 2 ; * @file core_ca_mmu.h
Kojto 106:ba1f97679dad 3 ; * @brief MMU Startup File for
Kojto 106:ba1f97679dad 4 ; * VE_A9_MP Device Series
Kojto 106:ba1f97679dad 5 ; * @version V1.01
Kojto 106:ba1f97679dad 6 ; * @date 25 March 2013
Kojto 106:ba1f97679dad 7 ; *
Kojto 106:ba1f97679dad 8 ; * @note
Kojto 106:ba1f97679dad 9 ; *
Kojto 106:ba1f97679dad 10 ; ******************************************************************************/
Kojto 106:ba1f97679dad 11 ;/* Copyright (c) 2012 ARM LIMITED
Kojto 106:ba1f97679dad 12 ;
Kojto 106:ba1f97679dad 13 ; All rights reserved.
Kojto 106:ba1f97679dad 14 ; Redistribution and use in source and binary forms, with or without
Kojto 106:ba1f97679dad 15 ; modification, are permitted provided that the following conditions are met:
Kojto 106:ba1f97679dad 16 ; - Redistributions of source code must retain the above copyright
Kojto 106:ba1f97679dad 17 ; notice, this list of conditions and the following disclaimer.
Kojto 106:ba1f97679dad 18 ; - Redistributions in binary form must reproduce the above copyright
Kojto 106:ba1f97679dad 19 ; notice, this list of conditions and the following disclaimer in the
Kojto 106:ba1f97679dad 20 ; documentation and/or other materials provided with the distribution.
Kojto 106:ba1f97679dad 21 ; - Neither the name of ARM nor the names of its contributors may be used
Kojto 106:ba1f97679dad 22 ; to endorse or promote products derived from this software without
Kojto 106:ba1f97679dad 23 ; specific prior written permission.
Kojto 106:ba1f97679dad 24 ; *
Kojto 106:ba1f97679dad 25 ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Kojto 106:ba1f97679dad 26 ; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Kojto 106:ba1f97679dad 27 ; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
Kojto 106:ba1f97679dad 28 ; ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
Kojto 106:ba1f97679dad 29 ; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
Kojto 106:ba1f97679dad 30 ; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
Kojto 106:ba1f97679dad 31 ; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
Kojto 106:ba1f97679dad 32 ; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
Kojto 106:ba1f97679dad 33 ; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
Kojto 106:ba1f97679dad 34 ; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Kojto 106:ba1f97679dad 35 ; POSSIBILITY OF SUCH DAMAGE.
Kojto 106:ba1f97679dad 36 ; ---------------------------------------------------------------------------*/
Kojto 106:ba1f97679dad 37
Kojto 106:ba1f97679dad 38 #ifdef __cplusplus
Kojto 106:ba1f97679dad 39 extern "C" {
Kojto 106:ba1f97679dad 40 #endif
Kojto 106:ba1f97679dad 41
Kojto 106:ba1f97679dad 42 #ifndef _MMU_FUNC_H
Kojto 106:ba1f97679dad 43 #define _MMU_FUNC_H
Kojto 106:ba1f97679dad 44
Kojto 106:ba1f97679dad 45 #define SECTION_DESCRIPTOR (0x2)
Kojto 106:ba1f97679dad 46 #define SECTION_MASK (0xFFFFFFFC)
Kojto 106:ba1f97679dad 47
Kojto 106:ba1f97679dad 48 #define SECTION_TEXCB_MASK (0xFFFF8FF3)
Kojto 106:ba1f97679dad 49 #define SECTION_B_SHIFT (2)
Kojto 106:ba1f97679dad 50 #define SECTION_C_SHIFT (3)
Kojto 106:ba1f97679dad 51 #define SECTION_TEX0_SHIFT (12)
Kojto 106:ba1f97679dad 52 #define SECTION_TEX1_SHIFT (13)
Kojto 106:ba1f97679dad 53 #define SECTION_TEX2_SHIFT (14)
Kojto 106:ba1f97679dad 54
Kojto 106:ba1f97679dad 55 #define SECTION_XN_MASK (0xFFFFFFEF)
Kojto 106:ba1f97679dad 56 #define SECTION_XN_SHIFT (4)
Kojto 106:ba1f97679dad 57
Kojto 106:ba1f97679dad 58 #define SECTION_DOMAIN_MASK (0xFFFFFE1F)
Kojto 106:ba1f97679dad 59 #define SECTION_DOMAIN_SHIFT (5)
Kojto 106:ba1f97679dad 60
Kojto 106:ba1f97679dad 61 #define SECTION_P_MASK (0xFFFFFDFF)
Kojto 106:ba1f97679dad 62 #define SECTION_P_SHIFT (9)
Kojto 106:ba1f97679dad 63
Kojto 106:ba1f97679dad 64 #define SECTION_AP_MASK (0xFFFF73FF)
Kojto 106:ba1f97679dad 65 #define SECTION_AP_SHIFT (10)
Kojto 106:ba1f97679dad 66 #define SECTION_AP2_SHIFT (15)
Kojto 106:ba1f97679dad 67
Kojto 106:ba1f97679dad 68 #define SECTION_S_MASK (0xFFFEFFFF)
Kojto 106:ba1f97679dad 69 #define SECTION_S_SHIFT (16)
Kojto 106:ba1f97679dad 70
Kojto 106:ba1f97679dad 71 #define SECTION_NG_MASK (0xFFFDFFFF)
Kojto 106:ba1f97679dad 72 #define SECTION_NG_SHIFT (17)
Kojto 106:ba1f97679dad 73
Kojto 106:ba1f97679dad 74 #define SECTION_NS_MASK (0xFFF7FFFF)
Kojto 106:ba1f97679dad 75 #define SECTION_NS_SHIFT (19)
Kojto 106:ba1f97679dad 76
Kojto 106:ba1f97679dad 77
Kojto 106:ba1f97679dad 78 #define PAGE_L1_DESCRIPTOR (0x1)
Kojto 106:ba1f97679dad 79 #define PAGE_L1_MASK (0xFFFFFFFC)
Kojto 106:ba1f97679dad 80
Kojto 106:ba1f97679dad 81 #define PAGE_L2_4K_DESC (0x2)
Kojto 106:ba1f97679dad 82 #define PAGE_L2_4K_MASK (0xFFFFFFFD)
Kojto 106:ba1f97679dad 83
Kojto 106:ba1f97679dad 84 #define PAGE_L2_64K_DESC (0x1)
Kojto 106:ba1f97679dad 85 #define PAGE_L2_64K_MASK (0xFFFFFFFC)
Kojto 106:ba1f97679dad 86
Kojto 106:ba1f97679dad 87 #define PAGE_4K_TEXCB_MASK (0xFFFFFE33)
Kojto 106:ba1f97679dad 88 #define PAGE_4K_B_SHIFT (2)
Kojto 106:ba1f97679dad 89 #define PAGE_4K_C_SHIFT (3)
Kojto 106:ba1f97679dad 90 #define PAGE_4K_TEX0_SHIFT (6)
Kojto 106:ba1f97679dad 91 #define PAGE_4K_TEX1_SHIFT (7)
Kojto 106:ba1f97679dad 92 #define PAGE_4K_TEX2_SHIFT (8)
Kojto 106:ba1f97679dad 93
Kojto 106:ba1f97679dad 94 #define PAGE_64K_TEXCB_MASK (0xFFFF8FF3)
Kojto 106:ba1f97679dad 95 #define PAGE_64K_B_SHIFT (2)
Kojto 106:ba1f97679dad 96 #define PAGE_64K_C_SHIFT (3)
Kojto 106:ba1f97679dad 97 #define PAGE_64K_TEX0_SHIFT (12)
Kojto 106:ba1f97679dad 98 #define PAGE_64K_TEX1_SHIFT (13)
Kojto 106:ba1f97679dad 99 #define PAGE_64K_TEX2_SHIFT (14)
Kojto 106:ba1f97679dad 100
Kojto 106:ba1f97679dad 101 #define PAGE_TEXCB_MASK (0xFFFF8FF3)
Kojto 106:ba1f97679dad 102 #define PAGE_B_SHIFT (2)
Kojto 106:ba1f97679dad 103 #define PAGE_C_SHIFT (3)
Kojto 106:ba1f97679dad 104 #define PAGE_TEX_SHIFT (12)
Kojto 106:ba1f97679dad 105
Kojto 106:ba1f97679dad 106 #define PAGE_XN_4K_MASK (0xFFFFFFFE)
Kojto 106:ba1f97679dad 107 #define PAGE_XN_4K_SHIFT (0)
Kojto 106:ba1f97679dad 108 #define PAGE_XN_64K_MASK (0xFFFF7FFF)
Kojto 106:ba1f97679dad 109 #define PAGE_XN_64K_SHIFT (15)
Kojto 106:ba1f97679dad 110
Kojto 106:ba1f97679dad 111
Kojto 106:ba1f97679dad 112 #define PAGE_DOMAIN_MASK (0xFFFFFE1F)
Kojto 106:ba1f97679dad 113 #define PAGE_DOMAIN_SHIFT (5)
Kojto 106:ba1f97679dad 114
Kojto 106:ba1f97679dad 115 #define PAGE_P_MASK (0xFFFFFDFF)
Kojto 106:ba1f97679dad 116 #define PAGE_P_SHIFT (9)
Kojto 106:ba1f97679dad 117
Kojto 106:ba1f97679dad 118 #define PAGE_AP_MASK (0xFFFFFDCF)
Kojto 106:ba1f97679dad 119 #define PAGE_AP_SHIFT (4)
Kojto 106:ba1f97679dad 120 #define PAGE_AP2_SHIFT (9)
Kojto 106:ba1f97679dad 121
Kojto 106:ba1f97679dad 122 #define PAGE_S_MASK (0xFFFFFBFF)
Kojto 106:ba1f97679dad 123 #define PAGE_S_SHIFT (10)
Kojto 106:ba1f97679dad 124
Kojto 106:ba1f97679dad 125 #define PAGE_NG_MASK (0xFFFFF7FF)
Kojto 106:ba1f97679dad 126 #define PAGE_NG_SHIFT (11)
Kojto 106:ba1f97679dad 127
Kojto 106:ba1f97679dad 128 #define PAGE_NS_MASK (0xFFFFFFF7)
Kojto 106:ba1f97679dad 129 #define PAGE_NS_SHIFT (3)
Kojto 106:ba1f97679dad 130
Kojto 106:ba1f97679dad 131 #define OFFSET_1M (0x00100000)
Kojto 106:ba1f97679dad 132 #define OFFSET_64K (0x00010000)
Kojto 106:ba1f97679dad 133 #define OFFSET_4K (0x00001000)
Kojto 106:ba1f97679dad 134
Kojto 106:ba1f97679dad 135 #define DESCRIPTOR_FAULT (0x00000000)
Kojto 106:ba1f97679dad 136
Kojto 106:ba1f97679dad 137 /* ########################### MMU Function Access ########################### */
Kojto 106:ba1f97679dad 138 /** \ingroup MMU_FunctionInterface
Kojto 106:ba1f97679dad 139 \defgroup MMU_Functions MMU Functions Interface
Kojto 106:ba1f97679dad 140 @{
Kojto 106:ba1f97679dad 141 */
Kojto 106:ba1f97679dad 142
Kojto 106:ba1f97679dad 143 /* Attributes enumerations */
Kojto 106:ba1f97679dad 144
Kojto 106:ba1f97679dad 145 /* Region size attributes */
Kojto 106:ba1f97679dad 146 typedef enum
Kojto 106:ba1f97679dad 147 {
Kojto 106:ba1f97679dad 148 SECTION,
Kojto 106:ba1f97679dad 149 PAGE_4k,
Kojto 106:ba1f97679dad 150 PAGE_64k,
Kojto 106:ba1f97679dad 151 } mmu_region_size_Type;
Kojto 106:ba1f97679dad 152
Kojto 106:ba1f97679dad 153 /* Region type attributes */
Kojto 106:ba1f97679dad 154 typedef enum
Kojto 106:ba1f97679dad 155 {
Kojto 106:ba1f97679dad 156 NORMAL,
Kojto 106:ba1f97679dad 157 DEVICE,
Kojto 106:ba1f97679dad 158 SHARED_DEVICE,
Kojto 106:ba1f97679dad 159 NON_SHARED_DEVICE,
Kojto 106:ba1f97679dad 160 STRONGLY_ORDERED
Kojto 106:ba1f97679dad 161 } mmu_memory_Type;
Kojto 106:ba1f97679dad 162
Kojto 106:ba1f97679dad 163 /* Region cacheability attributes */
Kojto 106:ba1f97679dad 164 typedef enum
Kojto 106:ba1f97679dad 165 {
Kojto 106:ba1f97679dad 166 NON_CACHEABLE,
Kojto 106:ba1f97679dad 167 WB_WA,
Kojto 106:ba1f97679dad 168 WT,
Kojto 106:ba1f97679dad 169 WB_NO_WA,
Kojto 106:ba1f97679dad 170 } mmu_cacheability_Type;
Kojto 106:ba1f97679dad 171
Kojto 106:ba1f97679dad 172 /* Region parity check attributes */
Kojto 106:ba1f97679dad 173 typedef enum
Kojto 106:ba1f97679dad 174 {
Kojto 106:ba1f97679dad 175 ECC_DISABLED,
Kojto 106:ba1f97679dad 176 ECC_ENABLED,
Kojto 106:ba1f97679dad 177 } mmu_ecc_check_Type;
Kojto 106:ba1f97679dad 178
Kojto 106:ba1f97679dad 179 /* Region execution attributes */
Kojto 106:ba1f97679dad 180 typedef enum
Kojto 106:ba1f97679dad 181 {
Kojto 106:ba1f97679dad 182 EXECUTE,
Kojto 106:ba1f97679dad 183 NON_EXECUTE,
Kojto 106:ba1f97679dad 184 } mmu_execute_Type;
Kojto 106:ba1f97679dad 185
Kojto 106:ba1f97679dad 186 /* Region global attributes */
Kojto 106:ba1f97679dad 187 typedef enum
Kojto 106:ba1f97679dad 188 {
Kojto 106:ba1f97679dad 189 GLOBAL,
Kojto 106:ba1f97679dad 190 NON_GLOBAL,
Kojto 106:ba1f97679dad 191 } mmu_global_Type;
Kojto 106:ba1f97679dad 192
Kojto 106:ba1f97679dad 193 /* Region shareability attributes */
Kojto 106:ba1f97679dad 194 typedef enum
Kojto 106:ba1f97679dad 195 {
Kojto 106:ba1f97679dad 196 NON_SHARED,
Kojto 106:ba1f97679dad 197 SHARED,
Kojto 106:ba1f97679dad 198 } mmu_shared_Type;
Kojto 106:ba1f97679dad 199
Kojto 106:ba1f97679dad 200 /* Region security attributes */
Kojto 106:ba1f97679dad 201 typedef enum
Kojto 106:ba1f97679dad 202 {
Kojto 106:ba1f97679dad 203 SECURE,
Kojto 106:ba1f97679dad 204 NON_SECURE,
Kojto 106:ba1f97679dad 205 } mmu_secure_Type;
Kojto 106:ba1f97679dad 206
Kojto 106:ba1f97679dad 207 /* Region access attributes */
Kojto 106:ba1f97679dad 208 typedef enum
Kojto 106:ba1f97679dad 209 {
Kojto 106:ba1f97679dad 210 NO_ACCESS,
Kojto 106:ba1f97679dad 211 RW,
Kojto 106:ba1f97679dad 212 READ,
Kojto 106:ba1f97679dad 213 } mmu_access_Type;
Kojto 106:ba1f97679dad 214
Kojto 106:ba1f97679dad 215 /* Memory Region definition */
Kojto 106:ba1f97679dad 216 typedef struct RegionStruct {
Kojto 106:ba1f97679dad 217 mmu_region_size_Type rg_t;
Kojto 106:ba1f97679dad 218 mmu_memory_Type mem_t;
Kojto 106:ba1f97679dad 219 uint8_t domain;
Kojto 106:ba1f97679dad 220 mmu_cacheability_Type inner_norm_t;
Kojto 106:ba1f97679dad 221 mmu_cacheability_Type outer_norm_t;
Kojto 106:ba1f97679dad 222 mmu_ecc_check_Type e_t;
Kojto 106:ba1f97679dad 223 mmu_execute_Type xn_t;
Kojto 106:ba1f97679dad 224 mmu_global_Type g_t;
Kojto 106:ba1f97679dad 225 mmu_secure_Type sec_t;
Kojto 106:ba1f97679dad 226 mmu_access_Type priv_t;
Kojto 106:ba1f97679dad 227 mmu_access_Type user_t;
Kojto 106:ba1f97679dad 228 mmu_shared_Type sh_t;
Kojto 106:ba1f97679dad 229
Kojto 106:ba1f97679dad 230 } mmu_region_attributes_Type;
Kojto 106:ba1f97679dad 231
Kojto 106:ba1f97679dad 232 /** \brief Set section execution-never attribute
Kojto 106:ba1f97679dad 233
Kojto 106:ba1f97679dad 234 The function sets section execution-never attribute
Kojto 106:ba1f97679dad 235
Kojto 106:ba1f97679dad 236 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 237 \param [in] xn Section execution-never attribute : EXECUTE , NON_EXECUTE.
Kojto 106:ba1f97679dad 238
Kojto 106:ba1f97679dad 239 \return 0
Kojto 106:ba1f97679dad 240 */
Kojto 106:ba1f97679dad 241 __STATIC_INLINE int __xn_section(uint32_t *descriptor_l1, mmu_execute_Type xn)
Kojto 106:ba1f97679dad 242 {
Kojto 106:ba1f97679dad 243 *descriptor_l1 &= SECTION_XN_MASK;
Kojto 106:ba1f97679dad 244 *descriptor_l1 |= ((xn & 0x1) << SECTION_XN_SHIFT);
Kojto 106:ba1f97679dad 245 return 0;
Kojto 106:ba1f97679dad 246 }
Kojto 106:ba1f97679dad 247
Kojto 106:ba1f97679dad 248 /** \brief Set section domain
Kojto 106:ba1f97679dad 249
Kojto 106:ba1f97679dad 250 The function sets section domain
Kojto 106:ba1f97679dad 251
Kojto 106:ba1f97679dad 252 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 253 \param [in] domain Section domain
Kojto 106:ba1f97679dad 254
Kojto 106:ba1f97679dad 255 \return 0
Kojto 106:ba1f97679dad 256 */
Kojto 106:ba1f97679dad 257 __STATIC_INLINE int __domain_section(uint32_t *descriptor_l1, uint8_t domain)
Kojto 106:ba1f97679dad 258 {
Kojto 106:ba1f97679dad 259 *descriptor_l1 &= SECTION_DOMAIN_MASK;
Kojto 106:ba1f97679dad 260 *descriptor_l1 |= ((domain & 0xF) << SECTION_DOMAIN_SHIFT);
Kojto 106:ba1f97679dad 261 return 0;
Kojto 106:ba1f97679dad 262 }
Kojto 106:ba1f97679dad 263
Kojto 106:ba1f97679dad 264 /** \brief Set section parity check
Kojto 106:ba1f97679dad 265
Kojto 106:ba1f97679dad 266 The function sets section parity check
Kojto 106:ba1f97679dad 267
Kojto 106:ba1f97679dad 268 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 269 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
Kojto 106:ba1f97679dad 270
Kojto 106:ba1f97679dad 271 \return 0
Kojto 106:ba1f97679dad 272 */
Kojto 106:ba1f97679dad 273 __STATIC_INLINE int __p_section(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
Kojto 106:ba1f97679dad 274 {
Kojto 106:ba1f97679dad 275 *descriptor_l1 &= SECTION_P_MASK;
Kojto 106:ba1f97679dad 276 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
Kojto 106:ba1f97679dad 277 return 0;
Kojto 106:ba1f97679dad 278 }
Kojto 106:ba1f97679dad 279
Kojto 106:ba1f97679dad 280 /** \brief Set section access privileges
Kojto 106:ba1f97679dad 281
Kojto 106:ba1f97679dad 282 The function sets section access privileges
Kojto 106:ba1f97679dad 283
Kojto 106:ba1f97679dad 284 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 285 \param [in] user User Level Access: NO_ACCESS, RW, READ
Kojto 106:ba1f97679dad 286 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
Kojto 106:ba1f97679dad 287 \param [in] afe Access flag enable
Kojto 106:ba1f97679dad 288
Kojto 106:ba1f97679dad 289 \return 0
Kojto 106:ba1f97679dad 290 */
Kojto 106:ba1f97679dad 291 __STATIC_INLINE int __ap_section(uint32_t *descriptor_l1, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
Kojto 106:ba1f97679dad 292 {
Kojto 106:ba1f97679dad 293 uint32_t ap = 0;
Kojto 106:ba1f97679dad 294
Kojto 106:ba1f97679dad 295 if (afe == 0) { //full access
Kojto 106:ba1f97679dad 296 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
Kojto 106:ba1f97679dad 297 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Kojto 106:ba1f97679dad 298 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
Kojto 106:ba1f97679dad 299 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Kojto 106:ba1f97679dad 300 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Kojto 106:ba1f97679dad 301 else if ((priv == READ) && (user == READ)) { ap = 0x6; }
Kojto 106:ba1f97679dad 302 }
Kojto 106:ba1f97679dad 303
Kojto 106:ba1f97679dad 304 else { //Simplified access
Kojto 106:ba1f97679dad 305 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Kojto 106:ba1f97679dad 306 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Kojto 106:ba1f97679dad 307 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Kojto 106:ba1f97679dad 308 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
Kojto 106:ba1f97679dad 309 }
Kojto 106:ba1f97679dad 310
Kojto 106:ba1f97679dad 311 *descriptor_l1 &= SECTION_AP_MASK;
Kojto 106:ba1f97679dad 312 *descriptor_l1 |= (ap & 0x3) << SECTION_AP_SHIFT;
Kojto 106:ba1f97679dad 313 *descriptor_l1 |= ((ap & 0x4)>>2) << SECTION_AP2_SHIFT;
Kojto 106:ba1f97679dad 314
Kojto 106:ba1f97679dad 315 return 0;
Kojto 106:ba1f97679dad 316 }
Kojto 106:ba1f97679dad 317
Kojto 106:ba1f97679dad 318 /** \brief Set section shareability
Kojto 106:ba1f97679dad 319
Kojto 106:ba1f97679dad 320 The function sets section shareability
Kojto 106:ba1f97679dad 321
Kojto 106:ba1f97679dad 322 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 323 \param [in] s_bit Section shareability: NON_SHARED, SHARED
Kojto 106:ba1f97679dad 324
Kojto 106:ba1f97679dad 325 \return 0
Kojto 106:ba1f97679dad 326 */
Kojto 106:ba1f97679dad 327 __STATIC_INLINE int __shared_section(uint32_t *descriptor_l1, mmu_shared_Type s_bit)
Kojto 106:ba1f97679dad 328 {
Kojto 106:ba1f97679dad 329 *descriptor_l1 &= SECTION_S_MASK;
Kojto 106:ba1f97679dad 330 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_S_SHIFT);
Kojto 106:ba1f97679dad 331 return 0;
Kojto 106:ba1f97679dad 332 }
Kojto 106:ba1f97679dad 333
Kojto 106:ba1f97679dad 334 /** \brief Set section Global attribute
Kojto 106:ba1f97679dad 335
Kojto 106:ba1f97679dad 336 The function sets section Global attribute
Kojto 106:ba1f97679dad 337
Kojto 106:ba1f97679dad 338 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 339 \param [in] g_bit Section attribute: GLOBAL, NON_GLOBAL
Kojto 106:ba1f97679dad 340
Kojto 106:ba1f97679dad 341 \return 0
Kojto 106:ba1f97679dad 342 */
Kojto 106:ba1f97679dad 343 __STATIC_INLINE int __global_section(uint32_t *descriptor_l1, mmu_global_Type g_bit)
Kojto 106:ba1f97679dad 344 {
Kojto 106:ba1f97679dad 345 *descriptor_l1 &= SECTION_NG_MASK;
Kojto 106:ba1f97679dad 346 *descriptor_l1 |= ((g_bit & 0x1) << SECTION_NG_SHIFT);
Kojto 106:ba1f97679dad 347 return 0;
Kojto 106:ba1f97679dad 348 }
Kojto 106:ba1f97679dad 349
Kojto 106:ba1f97679dad 350 /** \brief Set section Security attribute
Kojto 106:ba1f97679dad 351
Kojto 106:ba1f97679dad 352 The function sets section Global attribute
Kojto 106:ba1f97679dad 353
Kojto 106:ba1f97679dad 354 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 355 \param [in] s_bit Section Security attribute: SECURE, NON_SECURE
Kojto 106:ba1f97679dad 356
Kojto 106:ba1f97679dad 357 \return 0
Kojto 106:ba1f97679dad 358 */
Kojto 106:ba1f97679dad 359 __STATIC_INLINE int __secure_section(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
Kojto 106:ba1f97679dad 360 {
Kojto 106:ba1f97679dad 361 *descriptor_l1 &= SECTION_NS_MASK;
Kojto 106:ba1f97679dad 362 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_NS_SHIFT);
Kojto 106:ba1f97679dad 363 return 0;
Kojto 106:ba1f97679dad 364 }
Kojto 106:ba1f97679dad 365
Kojto 106:ba1f97679dad 366 /* Page 4k or 64k */
Kojto 106:ba1f97679dad 367 /** \brief Set 4k/64k page execution-never attribute
Kojto 106:ba1f97679dad 368
Kojto 106:ba1f97679dad 369 The function sets 4k/64k page execution-never attribute
Kojto 106:ba1f97679dad 370
Kojto 106:ba1f97679dad 371 \param [out] descriptor_l2 L2 descriptor.
Kojto 106:ba1f97679dad 372 \param [in] xn Page execution-never attribute : EXECUTE , NON_EXECUTE.
Kojto 106:ba1f97679dad 373 \param [in] page Page size: PAGE_4k, PAGE_64k,
Kojto 106:ba1f97679dad 374
Kojto 106:ba1f97679dad 375 \return 0
Kojto 106:ba1f97679dad 376 */
Kojto 106:ba1f97679dad 377 __STATIC_INLINE int __xn_page(uint32_t *descriptor_l2, mmu_execute_Type xn, mmu_region_size_Type page)
Kojto 106:ba1f97679dad 378 {
Kojto 106:ba1f97679dad 379 if (page == PAGE_4k)
Kojto 106:ba1f97679dad 380 {
Kojto 106:ba1f97679dad 381 *descriptor_l2 &= PAGE_XN_4K_MASK;
Kojto 106:ba1f97679dad 382 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_4K_SHIFT);
Kojto 106:ba1f97679dad 383 }
Kojto 106:ba1f97679dad 384 else
Kojto 106:ba1f97679dad 385 {
Kojto 106:ba1f97679dad 386 *descriptor_l2 &= PAGE_XN_64K_MASK;
Kojto 106:ba1f97679dad 387 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_64K_SHIFT);
Kojto 106:ba1f97679dad 388 }
Kojto 106:ba1f97679dad 389 return 0;
Kojto 106:ba1f97679dad 390 }
Kojto 106:ba1f97679dad 391
Kojto 106:ba1f97679dad 392 /** \brief Set 4k/64k page domain
Kojto 106:ba1f97679dad 393
Kojto 106:ba1f97679dad 394 The function sets 4k/64k page domain
Kojto 106:ba1f97679dad 395
Kojto 106:ba1f97679dad 396 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 397 \param [in] domain Page domain
Kojto 106:ba1f97679dad 398
Kojto 106:ba1f97679dad 399 \return 0
Kojto 106:ba1f97679dad 400 */
Kojto 106:ba1f97679dad 401 __STATIC_INLINE int __domain_page(uint32_t *descriptor_l1, uint8_t domain)
Kojto 106:ba1f97679dad 402 {
Kojto 106:ba1f97679dad 403 *descriptor_l1 &= PAGE_DOMAIN_MASK;
Kojto 106:ba1f97679dad 404 *descriptor_l1 |= ((domain & 0xf) << PAGE_DOMAIN_SHIFT);
Kojto 106:ba1f97679dad 405 return 0;
Kojto 106:ba1f97679dad 406 }
Kojto 106:ba1f97679dad 407
Kojto 106:ba1f97679dad 408 /** \brief Set 4k/64k page parity check
Kojto 106:ba1f97679dad 409
Kojto 106:ba1f97679dad 410 The function sets 4k/64k page parity check
Kojto 106:ba1f97679dad 411
Kojto 106:ba1f97679dad 412 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 413 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
Kojto 106:ba1f97679dad 414
Kojto 106:ba1f97679dad 415 \return 0
Kojto 106:ba1f97679dad 416 */
Kojto 106:ba1f97679dad 417 __STATIC_INLINE int __p_page(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
Kojto 106:ba1f97679dad 418 {
Kojto 106:ba1f97679dad 419 *descriptor_l1 &= SECTION_P_MASK;
Kojto 106:ba1f97679dad 420 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
Kojto 106:ba1f97679dad 421 return 0;
Kojto 106:ba1f97679dad 422 }
Kojto 106:ba1f97679dad 423
Kojto 106:ba1f97679dad 424 /** \brief Set 4k/64k page access privileges
Kojto 106:ba1f97679dad 425
Kojto 106:ba1f97679dad 426 The function sets 4k/64k page access privileges
Kojto 106:ba1f97679dad 427
Kojto 106:ba1f97679dad 428 \param [out] descriptor_l2 L2 descriptor.
Kojto 106:ba1f97679dad 429 \param [in] user User Level Access: NO_ACCESS, RW, READ
Kojto 106:ba1f97679dad 430 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
Kojto 106:ba1f97679dad 431 \param [in] afe Access flag enable
Kojto 106:ba1f97679dad 432
Kojto 106:ba1f97679dad 433 \return 0
Kojto 106:ba1f97679dad 434 */
Kojto 106:ba1f97679dad 435 __STATIC_INLINE int __ap_page(uint32_t *descriptor_l2, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
Kojto 106:ba1f97679dad 436 {
Kojto 106:ba1f97679dad 437 uint32_t ap = 0;
Kojto 106:ba1f97679dad 438
Kojto 106:ba1f97679dad 439 if (afe == 0) { //full access
Kojto 106:ba1f97679dad 440 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
Kojto 106:ba1f97679dad 441 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Kojto 106:ba1f97679dad 442 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
Kojto 106:ba1f97679dad 443 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Kojto 106:ba1f97679dad 444 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Kojto 106:ba1f97679dad 445 else if ((priv == READ) && (user == READ)) { ap = 0x6; }
Kojto 106:ba1f97679dad 446 }
Kojto 106:ba1f97679dad 447
Kojto 106:ba1f97679dad 448 else { //Simplified access
Kojto 106:ba1f97679dad 449 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Kojto 106:ba1f97679dad 450 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Kojto 106:ba1f97679dad 451 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Kojto 106:ba1f97679dad 452 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
Kojto 106:ba1f97679dad 453 }
Kojto 106:ba1f97679dad 454
Kojto 106:ba1f97679dad 455 *descriptor_l2 &= PAGE_AP_MASK;
Kojto 106:ba1f97679dad 456 *descriptor_l2 |= (ap & 0x3) << PAGE_AP_SHIFT;
Kojto 106:ba1f97679dad 457 *descriptor_l2 |= ((ap & 0x4)>>2) << PAGE_AP2_SHIFT;
Kojto 106:ba1f97679dad 458
Kojto 106:ba1f97679dad 459 return 0;
Kojto 106:ba1f97679dad 460 }
Kojto 106:ba1f97679dad 461
Kojto 106:ba1f97679dad 462 /** \brief Set 4k/64k page shareability
Kojto 106:ba1f97679dad 463
Kojto 106:ba1f97679dad 464 The function sets 4k/64k page shareability
Kojto 106:ba1f97679dad 465
Kojto 106:ba1f97679dad 466 \param [out] descriptor_l2 L2 descriptor.
Kojto 106:ba1f97679dad 467 \param [in] s_bit 4k/64k page shareability: NON_SHARED, SHARED
Kojto 106:ba1f97679dad 468
Kojto 106:ba1f97679dad 469 \return 0
Kojto 106:ba1f97679dad 470 */
Kojto 106:ba1f97679dad 471 __STATIC_INLINE int __shared_page(uint32_t *descriptor_l2, mmu_shared_Type s_bit)
Kojto 106:ba1f97679dad 472 {
Kojto 106:ba1f97679dad 473 *descriptor_l2 &= PAGE_S_MASK;
Kojto 106:ba1f97679dad 474 *descriptor_l2 |= ((s_bit & 0x1) << PAGE_S_SHIFT);
Kojto 106:ba1f97679dad 475 return 0;
Kojto 106:ba1f97679dad 476 }
Kojto 106:ba1f97679dad 477
Kojto 106:ba1f97679dad 478 /** \brief Set 4k/64k page Global attribute
Kojto 106:ba1f97679dad 479
Kojto 106:ba1f97679dad 480 The function sets 4k/64k page Global attribute
Kojto 106:ba1f97679dad 481
Kojto 106:ba1f97679dad 482 \param [out] descriptor_l2 L2 descriptor.
Kojto 106:ba1f97679dad 483 \param [in] g_bit 4k/64k page attribute: GLOBAL, NON_GLOBAL
Kojto 106:ba1f97679dad 484
Kojto 106:ba1f97679dad 485 \return 0
Kojto 106:ba1f97679dad 486 */
Kojto 106:ba1f97679dad 487 __STATIC_INLINE int __global_page(uint32_t *descriptor_l2, mmu_global_Type g_bit)
Kojto 106:ba1f97679dad 488 {
Kojto 106:ba1f97679dad 489 *descriptor_l2 &= PAGE_NG_MASK;
Kojto 106:ba1f97679dad 490 *descriptor_l2 |= ((g_bit & 0x1) << PAGE_NG_SHIFT);
Kojto 106:ba1f97679dad 491 return 0;
Kojto 106:ba1f97679dad 492 }
Kojto 106:ba1f97679dad 493
Kojto 106:ba1f97679dad 494 /** \brief Set 4k/64k page Security attribute
Kojto 106:ba1f97679dad 495
Kojto 106:ba1f97679dad 496 The function sets 4k/64k page Global attribute
Kojto 106:ba1f97679dad 497
Kojto 106:ba1f97679dad 498 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 499 \param [in] s_bit 4k/64k page Security attribute: SECURE, NON_SECURE
Kojto 106:ba1f97679dad 500
Kojto 106:ba1f97679dad 501 \return 0
Kojto 106:ba1f97679dad 502 */
Kojto 106:ba1f97679dad 503 __STATIC_INLINE int __secure_page(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
Kojto 106:ba1f97679dad 504 {
Kojto 106:ba1f97679dad 505 *descriptor_l1 &= PAGE_NS_MASK;
Kojto 106:ba1f97679dad 506 *descriptor_l1 |= ((s_bit & 0x1) << PAGE_NS_SHIFT);
Kojto 106:ba1f97679dad 507 return 0;
Kojto 106:ba1f97679dad 508 }
Kojto 106:ba1f97679dad 509
Kojto 106:ba1f97679dad 510
Kojto 106:ba1f97679dad 511 /** \brief Set Section memory attributes
Kojto 106:ba1f97679dad 512
Kojto 106:ba1f97679dad 513 The function sets section memory attributes
Kojto 106:ba1f97679dad 514
Kojto 106:ba1f97679dad 515 \param [out] descriptor_l1 L1 descriptor.
Kojto 106:ba1f97679dad 516 \param [in] mem Section memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
Kojto 106:ba1f97679dad 517 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Kojto 106:ba1f97679dad 518 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Kojto 106:ba1f97679dad 519
Kojto 106:ba1f97679dad 520 \return 0
Kojto 106:ba1f97679dad 521 */
Kojto 106:ba1f97679dad 522 __STATIC_INLINE int __memory_section(uint32_t *descriptor_l1, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner)
Kojto 106:ba1f97679dad 523 {
Kojto 106:ba1f97679dad 524 *descriptor_l1 &= SECTION_TEXCB_MASK;
Kojto 106:ba1f97679dad 525
Kojto 106:ba1f97679dad 526 if (STRONGLY_ORDERED == mem)
Kojto 106:ba1f97679dad 527 {
Kojto 106:ba1f97679dad 528 return 0;
Kojto 106:ba1f97679dad 529 }
Kojto 106:ba1f97679dad 530 else if (SHARED_DEVICE == mem)
Kojto 106:ba1f97679dad 531 {
Kojto 106:ba1f97679dad 532 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
Kojto 106:ba1f97679dad 533 }
Kojto 106:ba1f97679dad 534 else if (NON_SHARED_DEVICE == mem)
Kojto 106:ba1f97679dad 535 {
Kojto 106:ba1f97679dad 536 *descriptor_l1 |= (1 << SECTION_TEX1_SHIFT);
Kojto 106:ba1f97679dad 537 }
Kojto 106:ba1f97679dad 538 else if (NORMAL == mem)
Kojto 106:ba1f97679dad 539 {
Kojto 106:ba1f97679dad 540 *descriptor_l1 |= 1 << SECTION_TEX2_SHIFT;
Kojto 106:ba1f97679dad 541 switch(inner)
Kojto 106:ba1f97679dad 542 {
Kojto 106:ba1f97679dad 543 case NON_CACHEABLE:
Kojto 106:ba1f97679dad 544 break;
Kojto 106:ba1f97679dad 545 case WB_WA:
Kojto 106:ba1f97679dad 546 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
Kojto 106:ba1f97679dad 547 break;
Kojto 106:ba1f97679dad 548 case WT:
Kojto 106:ba1f97679dad 549 *descriptor_l1 |= 1 << SECTION_C_SHIFT;
Kojto 106:ba1f97679dad 550 break;
Kojto 106:ba1f97679dad 551 case WB_NO_WA:
Kojto 106:ba1f97679dad 552 *descriptor_l1 |= (1 << SECTION_B_SHIFT) | (1 << SECTION_C_SHIFT);
Kojto 106:ba1f97679dad 553 break;
Kojto 106:ba1f97679dad 554 }
Kojto 106:ba1f97679dad 555 switch(outer)
Kojto 106:ba1f97679dad 556 {
Kojto 106:ba1f97679dad 557 case NON_CACHEABLE:
Kojto 106:ba1f97679dad 558 break;
Kojto 106:ba1f97679dad 559 case WB_WA:
Kojto 106:ba1f97679dad 560 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT);
Kojto 106:ba1f97679dad 561 break;
Kojto 106:ba1f97679dad 562 case WT:
Kojto 106:ba1f97679dad 563 *descriptor_l1 |= 1 << SECTION_TEX1_SHIFT;
Kojto 106:ba1f97679dad 564 break;
Kojto 106:ba1f97679dad 565 case WB_NO_WA:
Kojto 106:ba1f97679dad 566 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT) | (1 << SECTION_TEX0_SHIFT);
Kojto 106:ba1f97679dad 567 break;
Kojto 106:ba1f97679dad 568 }
Kojto 106:ba1f97679dad 569 }
Kojto 106:ba1f97679dad 570
Kojto 106:ba1f97679dad 571 return 0;
Kojto 106:ba1f97679dad 572 }
Kojto 106:ba1f97679dad 573
Kojto 106:ba1f97679dad 574 /** \brief Set 4k/64k page memory attributes
Kojto 106:ba1f97679dad 575
Kojto 106:ba1f97679dad 576 The function sets 4k/64k page memory attributes
Kojto 106:ba1f97679dad 577
Kojto 106:ba1f97679dad 578 \param [out] descriptor_l2 L2 descriptor.
Kojto 106:ba1f97679dad 579 \param [in] mem 4k/64k page memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
Kojto 106:ba1f97679dad 580 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Kojto 106:ba1f97679dad 581 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Kojto 106:ba1f97679dad 582
Kojto 106:ba1f97679dad 583 \return 0
Kojto 106:ba1f97679dad 584 */
Kojto 106:ba1f97679dad 585 __STATIC_INLINE int __memory_page(uint32_t *descriptor_l2, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner, mmu_region_size_Type page)
Kojto 106:ba1f97679dad 586 {
Kojto 106:ba1f97679dad 587 *descriptor_l2 &= PAGE_4K_TEXCB_MASK;
Kojto 106:ba1f97679dad 588
Kojto 106:ba1f97679dad 589 if (page == PAGE_64k)
Kojto 106:ba1f97679dad 590 {
Kojto 106:ba1f97679dad 591 //same as section
Kojto 106:ba1f97679dad 592 __memory_section(descriptor_l2, mem, outer, inner);
Kojto 106:ba1f97679dad 593 }
Kojto 106:ba1f97679dad 594 else
Kojto 106:ba1f97679dad 595 {
Kojto 106:ba1f97679dad 596 if (STRONGLY_ORDERED == mem)
Kojto 106:ba1f97679dad 597 {
Kojto 106:ba1f97679dad 598 return 0;
Kojto 106:ba1f97679dad 599 }
Kojto 106:ba1f97679dad 600 else if (SHARED_DEVICE == mem)
Kojto 106:ba1f97679dad 601 {
Kojto 106:ba1f97679dad 602 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
Kojto 106:ba1f97679dad 603 }
Kojto 106:ba1f97679dad 604 else if (NON_SHARED_DEVICE == mem)
Kojto 106:ba1f97679dad 605 {
Kojto 106:ba1f97679dad 606 *descriptor_l2 |= (1 << PAGE_4K_TEX1_SHIFT);
Kojto 106:ba1f97679dad 607 }
Kojto 106:ba1f97679dad 608 else if (NORMAL == mem)
Kojto 106:ba1f97679dad 609 {
Kojto 106:ba1f97679dad 610 *descriptor_l2 |= 1 << PAGE_4K_TEX2_SHIFT;
Kojto 106:ba1f97679dad 611 switch(inner)
Kojto 106:ba1f97679dad 612 {
Kojto 106:ba1f97679dad 613 case NON_CACHEABLE:
Kojto 106:ba1f97679dad 614 break;
Kojto 106:ba1f97679dad 615 case WB_WA:
Kojto 106:ba1f97679dad 616 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
Kojto 106:ba1f97679dad 617 break;
Kojto 106:ba1f97679dad 618 case WT:
Kojto 106:ba1f97679dad 619 *descriptor_l2 |= 1 << PAGE_4K_C_SHIFT;
Kojto 106:ba1f97679dad 620 break;
Kojto 106:ba1f97679dad 621 case WB_NO_WA:
Kojto 106:ba1f97679dad 622 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT) | (1 << PAGE_4K_C_SHIFT);
Kojto 106:ba1f97679dad 623 break;
Kojto 106:ba1f97679dad 624 }
Kojto 106:ba1f97679dad 625 switch(outer)
Kojto 106:ba1f97679dad 626 {
Kojto 106:ba1f97679dad 627 case NON_CACHEABLE:
Kojto 106:ba1f97679dad 628 break;
Kojto 106:ba1f97679dad 629 case WB_WA:
Kojto 106:ba1f97679dad 630 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT);
Kojto 106:ba1f97679dad 631 break;
Kojto 106:ba1f97679dad 632 case WT:
Kojto 106:ba1f97679dad 633 *descriptor_l2 |= 1 << PAGE_4K_TEX1_SHIFT;
Kojto 106:ba1f97679dad 634 break;
Kojto 106:ba1f97679dad 635 case WB_NO_WA:
Kojto 106:ba1f97679dad 636 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT) | (1 << PAGE_4K_TEX0_SHIFT);
Kojto 106:ba1f97679dad 637 break;
Kojto 106:ba1f97679dad 638 }
Kojto 106:ba1f97679dad 639 }
Kojto 106:ba1f97679dad 640 }
Kojto 106:ba1f97679dad 641
Kojto 106:ba1f97679dad 642 return 0;
Kojto 106:ba1f97679dad 643 }
Kojto 106:ba1f97679dad 644
Kojto 106:ba1f97679dad 645 /** \brief Create a L1 section descriptor
Kojto 106:ba1f97679dad 646
Kojto 106:ba1f97679dad 647 The function creates a section descriptor.
Kojto 106:ba1f97679dad 648
Kojto 106:ba1f97679dad 649 Assumptions:
Kojto 106:ba1f97679dad 650 - 16MB super sections not suported
Kojto 106:ba1f97679dad 651 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
Kojto 106:ba1f97679dad 652 - Functions always return 0
Kojto 106:ba1f97679dad 653
Kojto 106:ba1f97679dad 654 \param [out] descriptor L1 descriptor
Kojto 106:ba1f97679dad 655 \param [out] descriptor2 L2 descriptor
Kojto 106:ba1f97679dad 656 \param [in] reg Section attributes
Kojto 106:ba1f97679dad 657
Kojto 106:ba1f97679dad 658 \return 0
Kojto 106:ba1f97679dad 659 */
Kojto 106:ba1f97679dad 660 __STATIC_INLINE int __get_section_descriptor(uint32_t *descriptor, mmu_region_attributes_Type reg)
Kojto 106:ba1f97679dad 661 {
Kojto 106:ba1f97679dad 662 *descriptor = 0;
Kojto 106:ba1f97679dad 663
Kojto 106:ba1f97679dad 664 __memory_section(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t);
Kojto 106:ba1f97679dad 665 __xn_section(descriptor,reg.xn_t);
Kojto 106:ba1f97679dad 666 __domain_section(descriptor, reg.domain);
Kojto 106:ba1f97679dad 667 __p_section(descriptor, reg.e_t);
Kojto 106:ba1f97679dad 668 __ap_section(descriptor, reg.priv_t, reg.user_t, 1);
Kojto 106:ba1f97679dad 669 __shared_section(descriptor,reg.sh_t);
Kojto 106:ba1f97679dad 670 __global_section(descriptor,reg.g_t);
Kojto 106:ba1f97679dad 671 __secure_section(descriptor,reg.sec_t);
Kojto 106:ba1f97679dad 672 *descriptor &= SECTION_MASK;
Kojto 106:ba1f97679dad 673 *descriptor |= SECTION_DESCRIPTOR;
Kojto 106:ba1f97679dad 674
Kojto 106:ba1f97679dad 675 return 0;
Kojto 106:ba1f97679dad 676
Kojto 106:ba1f97679dad 677 }
Kojto 106:ba1f97679dad 678
Kojto 106:ba1f97679dad 679
Kojto 106:ba1f97679dad 680 /** \brief Create a L1 and L2 4k/64k page descriptor
Kojto 106:ba1f97679dad 681
Kojto 106:ba1f97679dad 682 The function creates a 4k/64k page descriptor.
Kojto 106:ba1f97679dad 683 Assumptions:
Kojto 106:ba1f97679dad 684 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
Kojto 106:ba1f97679dad 685 - Functions always return 0
Kojto 106:ba1f97679dad 686
Kojto 106:ba1f97679dad 687 \param [out] descriptor L1 descriptor
Kojto 106:ba1f97679dad 688 \param [out] descriptor2 L2 descriptor
Kojto 106:ba1f97679dad 689 \param [in] reg 4k/64k page attributes
Kojto 106:ba1f97679dad 690
Kojto 106:ba1f97679dad 691 \return 0
Kojto 106:ba1f97679dad 692 */
Kojto 106:ba1f97679dad 693 __STATIC_INLINE int __get_page_descriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg)
Kojto 106:ba1f97679dad 694 {
Kojto 106:ba1f97679dad 695 *descriptor = 0;
Kojto 106:ba1f97679dad 696 *descriptor2 = 0;
Kojto 106:ba1f97679dad 697
Kojto 106:ba1f97679dad 698 switch (reg.rg_t)
Kojto 106:ba1f97679dad 699 {
Kojto 106:ba1f97679dad 700 case PAGE_4k:
Kojto 106:ba1f97679dad 701 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k);
Kojto 106:ba1f97679dad 702 __xn_page(descriptor2, reg.xn_t, PAGE_4k);
Kojto 106:ba1f97679dad 703 __domain_page(descriptor, reg.domain);
Kojto 106:ba1f97679dad 704 __p_page(descriptor, reg.e_t);
Kojto 106:ba1f97679dad 705 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
Kojto 106:ba1f97679dad 706 __shared_page(descriptor2,reg.sh_t);
Kojto 106:ba1f97679dad 707 __global_page(descriptor2,reg.g_t);
Kojto 106:ba1f97679dad 708 __secure_page(descriptor,reg.sec_t);
Kojto 106:ba1f97679dad 709 *descriptor &= PAGE_L1_MASK;
Kojto 106:ba1f97679dad 710 *descriptor |= PAGE_L1_DESCRIPTOR;
Kojto 106:ba1f97679dad 711 *descriptor2 &= PAGE_L2_4K_MASK;
Kojto 106:ba1f97679dad 712 *descriptor2 |= PAGE_L2_4K_DESC;
Kojto 106:ba1f97679dad 713 break;
Kojto 106:ba1f97679dad 714
Kojto 106:ba1f97679dad 715 case PAGE_64k:
Kojto 106:ba1f97679dad 716 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k);
Kojto 106:ba1f97679dad 717 __xn_page(descriptor2, reg.xn_t, PAGE_64k);
Kojto 106:ba1f97679dad 718 __domain_page(descriptor, reg.domain);
Kojto 106:ba1f97679dad 719 __p_page(descriptor, reg.e_t);
Kojto 106:ba1f97679dad 720 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
Kojto 106:ba1f97679dad 721 __shared_page(descriptor2,reg.sh_t);
Kojto 106:ba1f97679dad 722 __global_page(descriptor2,reg.g_t);
Kojto 106:ba1f97679dad 723 __secure_page(descriptor,reg.sec_t);
Kojto 106:ba1f97679dad 724 *descriptor &= PAGE_L1_MASK;
Kojto 106:ba1f97679dad 725 *descriptor |= PAGE_L1_DESCRIPTOR;
Kojto 106:ba1f97679dad 726 *descriptor2 &= PAGE_L2_64K_MASK;
Kojto 106:ba1f97679dad 727 *descriptor2 |= PAGE_L2_64K_DESC;
Kojto 106:ba1f97679dad 728 break;
Kojto 106:ba1f97679dad 729
Kojto 106:ba1f97679dad 730 case SECTION:
Kojto 106:ba1f97679dad 731 //error
Kojto 106:ba1f97679dad 732 break;
Kojto 106:ba1f97679dad 733
Kojto 106:ba1f97679dad 734 }
Kojto 106:ba1f97679dad 735
Kojto 106:ba1f97679dad 736 return 0;
Kojto 106:ba1f97679dad 737
Kojto 106:ba1f97679dad 738 }
Kojto 106:ba1f97679dad 739
Kojto 106:ba1f97679dad 740 /** \brief Create a 1MB Section
Kojto 106:ba1f97679dad 741
Kojto 106:ba1f97679dad 742 \param [in] ttb Translation table base address
Kojto 106:ba1f97679dad 743 \param [in] base_address Section base address
Kojto 106:ba1f97679dad 744 \param [in] count Number of sections to create
Kojto 106:ba1f97679dad 745 \param [in] descriptor_l1 L1 descriptor (region attributes)
Kojto 106:ba1f97679dad 746
Kojto 106:ba1f97679dad 747 */
Kojto 106:ba1f97679dad 748 __STATIC_INLINE void __TTSection(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1)
Kojto 106:ba1f97679dad 749 {
Kojto 106:ba1f97679dad 750 uint32_t offset;
Kojto 106:ba1f97679dad 751 uint32_t entry;
Kojto 106:ba1f97679dad 752 uint32_t i;
Kojto 106:ba1f97679dad 753
Kojto 106:ba1f97679dad 754 offset = base_address >> 20;
Kojto 106:ba1f97679dad 755 entry = (base_address & 0xFFF00000) | descriptor_l1;
Kojto 106:ba1f97679dad 756
Kojto 106:ba1f97679dad 757 //4 bytes aligned
Kojto 106:ba1f97679dad 758 ttb = ttb + offset;
Kojto 106:ba1f97679dad 759
Kojto 106:ba1f97679dad 760 for (i = 0; i < count; i++ )
Kojto 106:ba1f97679dad 761 {
Kojto 106:ba1f97679dad 762 //4 bytes aligned
Kojto 106:ba1f97679dad 763 *ttb++ = entry;
Kojto 106:ba1f97679dad 764 entry += OFFSET_1M;
Kojto 106:ba1f97679dad 765 }
Kojto 106:ba1f97679dad 766 }
Kojto 106:ba1f97679dad 767
Kojto 106:ba1f97679dad 768 /** \brief Create a 4k page entry
Kojto 106:ba1f97679dad 769
Kojto 106:ba1f97679dad 770 \param [in] ttb L1 table base address
Kojto 106:ba1f97679dad 771 \param [in] base_address 4k base address
Kojto 106:ba1f97679dad 772 \param [in] count Number of 4k pages to create
Kojto 106:ba1f97679dad 773 \param [in] descriptor_l1 L1 descriptor (region attributes)
Kojto 106:ba1f97679dad 774 \param [in] ttb_l2 L2 table base address
Kojto 106:ba1f97679dad 775 \param [in] descriptor_l2 L2 descriptor (region attributes)
Kojto 106:ba1f97679dad 776
Kojto 106:ba1f97679dad 777 */
Kojto 106:ba1f97679dad 778 __STATIC_INLINE void __TTPage_4k(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1, uint32_t *ttb_l2, uint32_t descriptor_l2 )
Kojto 106:ba1f97679dad 779 {
Kojto 106:ba1f97679dad 780
Kojto 106:ba1f97679dad 781 uint32_t offset, offset2;
Kojto 106:ba1f97679dad 782 uint32_t entry, entry2;
Kojto 106:ba1f97679dad 783 uint32_t i;
Kojto 106:ba1f97679dad 784
Kojto 106:ba1f97679dad 785
Kojto 106:ba1f97679dad 786 offset = base_address >> 20;
Kojto 106:ba1f97679dad 787 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
Kojto 106:ba1f97679dad 788
Kojto 106:ba1f97679dad 789 //4 bytes aligned
Kojto 106:ba1f97679dad 790 ttb += offset;
Kojto 106:ba1f97679dad 791 //create l1_entry
Kojto 106:ba1f97679dad 792 *ttb = entry;
Kojto 106:ba1f97679dad 793
Kojto 106:ba1f97679dad 794 offset2 = (base_address & 0xff000) >> 12;
Kojto 106:ba1f97679dad 795 ttb_l2 += offset2;
Kojto 106:ba1f97679dad 796 entry2 = (base_address & 0xFFFFF000) | descriptor_l2;
Kojto 106:ba1f97679dad 797 for (i = 0; i < count; i++ )
Kojto 106:ba1f97679dad 798 {
Kojto 106:ba1f97679dad 799 //4 bytes aligned
Kojto 106:ba1f97679dad 800 *ttb_l2++ = entry2;
Kojto 106:ba1f97679dad 801 entry2 += OFFSET_4K;
Kojto 106:ba1f97679dad 802 }
Kojto 106:ba1f97679dad 803 }
Kojto 106:ba1f97679dad 804
Kojto 106:ba1f97679dad 805 /** \brief Create a 64k page entry
Kojto 106:ba1f97679dad 806
Kojto 106:ba1f97679dad 807 \param [in] ttb L1 table base address
Kojto 106:ba1f97679dad 808 \param [in] base_address 64k base address
Kojto 106:ba1f97679dad 809 \param [in] count Number of 64k pages to create
Kojto 106:ba1f97679dad 810 \param [in] descriptor_l1 L1 descriptor (region attributes)
Kojto 106:ba1f97679dad 811 \param [in] ttb_l2 L2 table base address
Kojto 106:ba1f97679dad 812 \param [in] descriptor_l2 L2 descriptor (region attributes)
Kojto 106:ba1f97679dad 813
Kojto 106:ba1f97679dad 814 */
Kojto 106:ba1f97679dad 815 __STATIC_INLINE void __TTPage_64k(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1, uint32_t *ttb_l2, uint32_t descriptor_l2 )
Kojto 106:ba1f97679dad 816 {
Kojto 106:ba1f97679dad 817 uint32_t offset, offset2;
Kojto 106:ba1f97679dad 818 uint32_t entry, entry2;
Kojto 106:ba1f97679dad 819 uint32_t i,j;
Kojto 106:ba1f97679dad 820
Kojto 106:ba1f97679dad 821
Kojto 106:ba1f97679dad 822 offset = base_address >> 20;
Kojto 106:ba1f97679dad 823 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
Kojto 106:ba1f97679dad 824
Kojto 106:ba1f97679dad 825 //4 bytes aligned
Kojto 106:ba1f97679dad 826 ttb += offset;
Kojto 106:ba1f97679dad 827 //create l1_entry
Kojto 106:ba1f97679dad 828 *ttb = entry;
Kojto 106:ba1f97679dad 829
Kojto 106:ba1f97679dad 830 offset2 = (base_address & 0xff000) >> 12;
Kojto 106:ba1f97679dad 831 ttb_l2 += offset2;
Kojto 106:ba1f97679dad 832 entry2 = (base_address & 0xFFFF0000) | descriptor_l2;
Kojto 106:ba1f97679dad 833 for (i = 0; i < count; i++ )
Kojto 106:ba1f97679dad 834 {
Kojto 106:ba1f97679dad 835 //create 16 entries
Kojto 106:ba1f97679dad 836 for (j = 0; j < 16; j++)
Kojto 106:ba1f97679dad 837 //4 bytes aligned
Kojto 106:ba1f97679dad 838 *ttb_l2++ = entry2;
Kojto 106:ba1f97679dad 839 entry2 += OFFSET_64K;
Kojto 106:ba1f97679dad 840 }
Kojto 106:ba1f97679dad 841 }
Kojto 106:ba1f97679dad 842
Kojto 106:ba1f97679dad 843 /*@} end of MMU_Functions */
Kojto 106:ba1f97679dad 844 #endif
Kojto 106:ba1f97679dad 845
Kojto 106:ba1f97679dad 846 #ifdef __cplusplus
Kojto 106:ba1f97679dad 847 }
Kojto 106:ba1f97679dad 848 #endif