ON Semiconductor / mbed-os

5.2.1 - Updated I2C files

Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

cmsis/core_ca_mmu.h@0:098463de4c5d, 2017-01-25 (annotated)

Committer:
group-onsemi
Date:
Wed Jan 25 20:34:15 2017 +0000
Revision:
0:098463de4c5d
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
group-onsemi 0:098463de4c5d 1 ;/**************************************************************************//**
group-onsemi 0:098463de4c5d 2 ; * @file core_ca_mmu.h
group-onsemi 0:098463de4c5d 3 ; * @brief MMU Startup File for A9_MP Device Series
group-onsemi 0:098463de4c5d 4 ; * @version V1.01
group-onsemi 0:098463de4c5d 5 ; * @date 10 Sept 2014
group-onsemi 0:098463de4c5d 6 ; *
group-onsemi 0:098463de4c5d 7 ; * @note
group-onsemi 0:098463de4c5d 8 ; *
group-onsemi 0:098463de4c5d 9 ; ******************************************************************************/
group-onsemi 0:098463de4c5d 10 ;/* Copyright (c) 2012-2014 ARM LIMITED
group-onsemi 0:098463de4c5d 11 ;
group-onsemi 0:098463de4c5d 12 ; All rights reserved.
group-onsemi 0:098463de4c5d 13 ; Redistribution and use in source and binary forms, with or without
group-onsemi 0:098463de4c5d 14 ; modification, are permitted provided that the following conditions are met:
group-onsemi 0:098463de4c5d 15 ; - Redistributions of source code must retain the above copyright
group-onsemi 0:098463de4c5d 16 ; notice, this list of conditions and the following disclaimer.
group-onsemi 0:098463de4c5d 17 ; - Redistributions in binary form must reproduce the above copyright
group-onsemi 0:098463de4c5d 18 ; notice, this list of conditions and the following disclaimer in the
group-onsemi 0:098463de4c5d 19 ; documentation and/or other materials provided with the distribution.
group-onsemi 0:098463de4c5d 20 ; - Neither the name of ARM nor the names of its contributors may be used
group-onsemi 0:098463de4c5d 21 ; to endorse or promote products derived from this software without
group-onsemi 0:098463de4c5d 22 ; specific prior written permission.
group-onsemi 0:098463de4c5d 23 ; *
group-onsemi 0:098463de4c5d 24 ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
group-onsemi 0:098463de4c5d 25 ; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
group-onsemi 0:098463de4c5d 26 ; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
group-onsemi 0:098463de4c5d 27 ; ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
group-onsemi 0:098463de4c5d 28 ; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
group-onsemi 0:098463de4c5d 29 ; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
group-onsemi 0:098463de4c5d 30 ; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
group-onsemi 0:098463de4c5d 31 ; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
group-onsemi 0:098463de4c5d 32 ; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
group-onsemi 0:098463de4c5d 33 ; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
group-onsemi 0:098463de4c5d 34 ; POSSIBILITY OF SUCH DAMAGE.
group-onsemi 0:098463de4c5d 35 ; ---------------------------------------------------------------------------*/
group-onsemi 0:098463de4c5d 36
group-onsemi 0:098463de4c5d 37 #ifdef __cplusplus
group-onsemi 0:098463de4c5d 38 extern "C" {
group-onsemi 0:098463de4c5d 39 #endif
group-onsemi 0:098463de4c5d 40
group-onsemi 0:098463de4c5d 41 #ifndef _MMU_FUNC_H
group-onsemi 0:098463de4c5d 42 #define _MMU_FUNC_H
group-onsemi 0:098463de4c5d 43
group-onsemi 0:098463de4c5d 44 #define SECTION_DESCRIPTOR (0x2)
group-onsemi 0:098463de4c5d 45 #define SECTION_MASK (0xFFFFFFFC)
group-onsemi 0:098463de4c5d 46
group-onsemi 0:098463de4c5d 47 #define SECTION_TEXCB_MASK (0xFFFF8FF3)
group-onsemi 0:098463de4c5d 48 #define SECTION_B_SHIFT (2)
group-onsemi 0:098463de4c5d 49 #define SECTION_C_SHIFT (3)
group-onsemi 0:098463de4c5d 50 #define SECTION_TEX0_SHIFT (12)
group-onsemi 0:098463de4c5d 51 #define SECTION_TEX1_SHIFT (13)
group-onsemi 0:098463de4c5d 52 #define SECTION_TEX2_SHIFT (14)
group-onsemi 0:098463de4c5d 53
group-onsemi 0:098463de4c5d 54 #define SECTION_XN_MASK (0xFFFFFFEF)
group-onsemi 0:098463de4c5d 55 #define SECTION_XN_SHIFT (4)
group-onsemi 0:098463de4c5d 56
group-onsemi 0:098463de4c5d 57 #define SECTION_DOMAIN_MASK (0xFFFFFE1F)
group-onsemi 0:098463de4c5d 58 #define SECTION_DOMAIN_SHIFT (5)
group-onsemi 0:098463de4c5d 59
group-onsemi 0:098463de4c5d 60 #define SECTION_P_MASK (0xFFFFFDFF)
group-onsemi 0:098463de4c5d 61 #define SECTION_P_SHIFT (9)
group-onsemi 0:098463de4c5d 62
group-onsemi 0:098463de4c5d 63 #define SECTION_AP_MASK (0xFFFF73FF)
group-onsemi 0:098463de4c5d 64 #define SECTION_AP_SHIFT (10)
group-onsemi 0:098463de4c5d 65 #define SECTION_AP2_SHIFT (15)
group-onsemi 0:098463de4c5d 66
group-onsemi 0:098463de4c5d 67 #define SECTION_S_MASK (0xFFFEFFFF)
group-onsemi 0:098463de4c5d 68 #define SECTION_S_SHIFT (16)
group-onsemi 0:098463de4c5d 69
group-onsemi 0:098463de4c5d 70 #define SECTION_NG_MASK (0xFFFDFFFF)
group-onsemi 0:098463de4c5d 71 #define SECTION_NG_SHIFT (17)
group-onsemi 0:098463de4c5d 72
group-onsemi 0:098463de4c5d 73 #define SECTION_NS_MASK (0xFFF7FFFF)
group-onsemi 0:098463de4c5d 74 #define SECTION_NS_SHIFT (19)
group-onsemi 0:098463de4c5d 75
group-onsemi 0:098463de4c5d 76
group-onsemi 0:098463de4c5d 77 #define PAGE_L1_DESCRIPTOR (0x1)
group-onsemi 0:098463de4c5d 78 #define PAGE_L1_MASK (0xFFFFFFFC)
group-onsemi 0:098463de4c5d 79
group-onsemi 0:098463de4c5d 80 #define PAGE_L2_4K_DESC (0x2)
group-onsemi 0:098463de4c5d 81 #define PAGE_L2_4K_MASK (0xFFFFFFFD)
group-onsemi 0:098463de4c5d 82
group-onsemi 0:098463de4c5d 83 #define PAGE_L2_64K_DESC (0x1)
group-onsemi 0:098463de4c5d 84 #define PAGE_L2_64K_MASK (0xFFFFFFFC)
group-onsemi 0:098463de4c5d 85
group-onsemi 0:098463de4c5d 86 #define PAGE_4K_TEXCB_MASK (0xFFFFFE33)
group-onsemi 0:098463de4c5d 87 #define PAGE_4K_B_SHIFT (2)
group-onsemi 0:098463de4c5d 88 #define PAGE_4K_C_SHIFT (3)
group-onsemi 0:098463de4c5d 89 #define PAGE_4K_TEX0_SHIFT (6)
group-onsemi 0:098463de4c5d 90 #define PAGE_4K_TEX1_SHIFT (7)
group-onsemi 0:098463de4c5d 91 #define PAGE_4K_TEX2_SHIFT (8)
group-onsemi 0:098463de4c5d 92
group-onsemi 0:098463de4c5d 93 #define PAGE_64K_TEXCB_MASK (0xFFFF8FF3)
group-onsemi 0:098463de4c5d 94 #define PAGE_64K_B_SHIFT (2)
group-onsemi 0:098463de4c5d 95 #define PAGE_64K_C_SHIFT (3)
group-onsemi 0:098463de4c5d 96 #define PAGE_64K_TEX0_SHIFT (12)
group-onsemi 0:098463de4c5d 97 #define PAGE_64K_TEX1_SHIFT (13)
group-onsemi 0:098463de4c5d 98 #define PAGE_64K_TEX2_SHIFT (14)
group-onsemi 0:098463de4c5d 99
group-onsemi 0:098463de4c5d 100 #define PAGE_TEXCB_MASK (0xFFFF8FF3)
group-onsemi 0:098463de4c5d 101 #define PAGE_B_SHIFT (2)
group-onsemi 0:098463de4c5d 102 #define PAGE_C_SHIFT (3)
group-onsemi 0:098463de4c5d 103 #define PAGE_TEX_SHIFT (12)
group-onsemi 0:098463de4c5d 104
group-onsemi 0:098463de4c5d 105 #define PAGE_XN_4K_MASK (0xFFFFFFFE)
group-onsemi 0:098463de4c5d 106 #define PAGE_XN_4K_SHIFT (0)
group-onsemi 0:098463de4c5d 107 #define PAGE_XN_64K_MASK (0xFFFF7FFF)
group-onsemi 0:098463de4c5d 108 #define PAGE_XN_64K_SHIFT (15)
group-onsemi 0:098463de4c5d 109
group-onsemi 0:098463de4c5d 110
group-onsemi 0:098463de4c5d 111 #define PAGE_DOMAIN_MASK (0xFFFFFE1F)
group-onsemi 0:098463de4c5d 112 #define PAGE_DOMAIN_SHIFT (5)
group-onsemi 0:098463de4c5d 113
group-onsemi 0:098463de4c5d 114 #define PAGE_P_MASK (0xFFFFFDFF)
group-onsemi 0:098463de4c5d 115 #define PAGE_P_SHIFT (9)
group-onsemi 0:098463de4c5d 116
group-onsemi 0:098463de4c5d 117 #define PAGE_AP_MASK (0xFFFFFDCF)
group-onsemi 0:098463de4c5d 118 #define PAGE_AP_SHIFT (4)
group-onsemi 0:098463de4c5d 119 #define PAGE_AP2_SHIFT (9)
group-onsemi 0:098463de4c5d 120
group-onsemi 0:098463de4c5d 121 #define PAGE_S_MASK (0xFFFFFBFF)
group-onsemi 0:098463de4c5d 122 #define PAGE_S_SHIFT (10)
group-onsemi 0:098463de4c5d 123
group-onsemi 0:098463de4c5d 124 #define PAGE_NG_MASK (0xFFFFF7FF)
group-onsemi 0:098463de4c5d 125 #define PAGE_NG_SHIFT (11)
group-onsemi 0:098463de4c5d 126
group-onsemi 0:098463de4c5d 127 #define PAGE_NS_MASK (0xFFFFFFF7)
group-onsemi 0:098463de4c5d 128 #define PAGE_NS_SHIFT (3)
group-onsemi 0:098463de4c5d 129
group-onsemi 0:098463de4c5d 130 #define OFFSET_1M (0x00100000)
group-onsemi 0:098463de4c5d 131 #define OFFSET_64K (0x00010000)
group-onsemi 0:098463de4c5d 132 #define OFFSET_4K (0x00001000)
group-onsemi 0:098463de4c5d 133
group-onsemi 0:098463de4c5d 134 #define DESCRIPTOR_FAULT (0x00000000)
group-onsemi 0:098463de4c5d 135
group-onsemi 0:098463de4c5d 136 /* ########################### MMU Function Access ########################### */
group-onsemi 0:098463de4c5d 137 /** \ingroup MMU_FunctionInterface
group-onsemi 0:098463de4c5d 138 \defgroup MMU_Functions MMU Functions Interface
group-onsemi 0:098463de4c5d 139 @{
group-onsemi 0:098463de4c5d 140 */
group-onsemi 0:098463de4c5d 141
group-onsemi 0:098463de4c5d 142 /* Attributes enumerations */
group-onsemi 0:098463de4c5d 143
group-onsemi 0:098463de4c5d 144 /* Region size attributes */
group-onsemi 0:098463de4c5d 145 typedef enum
group-onsemi 0:098463de4c5d 146 {
group-onsemi 0:098463de4c5d 147 SECTION,
group-onsemi 0:098463de4c5d 148 PAGE_4k,
group-onsemi 0:098463de4c5d 149 PAGE_64k,
group-onsemi 0:098463de4c5d 150 } mmu_region_size_Type;
group-onsemi 0:098463de4c5d 151
group-onsemi 0:098463de4c5d 152 /* Region type attributes */
group-onsemi 0:098463de4c5d 153 typedef enum
group-onsemi 0:098463de4c5d 154 {
group-onsemi 0:098463de4c5d 155 NORMAL,
group-onsemi 0:098463de4c5d 156 DEVICE,
group-onsemi 0:098463de4c5d 157 SHARED_DEVICE,
group-onsemi 0:098463de4c5d 158 NON_SHARED_DEVICE,
group-onsemi 0:098463de4c5d 159 STRONGLY_ORDERED
group-onsemi 0:098463de4c5d 160 } mmu_memory_Type;
group-onsemi 0:098463de4c5d 161
group-onsemi 0:098463de4c5d 162 /* Region cacheability attributes */
group-onsemi 0:098463de4c5d 163 typedef enum
group-onsemi 0:098463de4c5d 164 {
group-onsemi 0:098463de4c5d 165 NON_CACHEABLE,
group-onsemi 0:098463de4c5d 166 WB_WA,
group-onsemi 0:098463de4c5d 167 WT,
group-onsemi 0:098463de4c5d 168 WB_NO_WA,
group-onsemi 0:098463de4c5d 169 } mmu_cacheability_Type;
group-onsemi 0:098463de4c5d 170
group-onsemi 0:098463de4c5d 171 /* Region parity check attributes */
group-onsemi 0:098463de4c5d 172 typedef enum
group-onsemi 0:098463de4c5d 173 {
group-onsemi 0:098463de4c5d 174 ECC_DISABLED,
group-onsemi 0:098463de4c5d 175 ECC_ENABLED,
group-onsemi 0:098463de4c5d 176 } mmu_ecc_check_Type;
group-onsemi 0:098463de4c5d 177
group-onsemi 0:098463de4c5d 178 /* Region execution attributes */
group-onsemi 0:098463de4c5d 179 typedef enum
group-onsemi 0:098463de4c5d 180 {
group-onsemi 0:098463de4c5d 181 EXECUTE,
group-onsemi 0:098463de4c5d 182 NON_EXECUTE,
group-onsemi 0:098463de4c5d 183 } mmu_execute_Type;
group-onsemi 0:098463de4c5d 184
group-onsemi 0:098463de4c5d 185 /* Region global attributes */
group-onsemi 0:098463de4c5d 186 typedef enum
group-onsemi 0:098463de4c5d 187 {
group-onsemi 0:098463de4c5d 188 GLOBAL,
group-onsemi 0:098463de4c5d 189 NON_GLOBAL,
group-onsemi 0:098463de4c5d 190 } mmu_global_Type;
group-onsemi 0:098463de4c5d 191
group-onsemi 0:098463de4c5d 192 /* Region shareability attributes */
group-onsemi 0:098463de4c5d 193 typedef enum
group-onsemi 0:098463de4c5d 194 {
group-onsemi 0:098463de4c5d 195 NON_SHARED,
group-onsemi 0:098463de4c5d 196 SHARED,
group-onsemi 0:098463de4c5d 197 } mmu_shared_Type;
group-onsemi 0:098463de4c5d 198
group-onsemi 0:098463de4c5d 199 /* Region security attributes */
group-onsemi 0:098463de4c5d 200 typedef enum
group-onsemi 0:098463de4c5d 201 {
group-onsemi 0:098463de4c5d 202 SECURE,
group-onsemi 0:098463de4c5d 203 NON_SECURE,
group-onsemi 0:098463de4c5d 204 } mmu_secure_Type;
group-onsemi 0:098463de4c5d 205
group-onsemi 0:098463de4c5d 206 /* Region access attributes */
group-onsemi 0:098463de4c5d 207 typedef enum
group-onsemi 0:098463de4c5d 208 {
group-onsemi 0:098463de4c5d 209 NO_ACCESS,
group-onsemi 0:098463de4c5d 210 RW,
group-onsemi 0:098463de4c5d 211 READ,
group-onsemi 0:098463de4c5d 212 } mmu_access_Type;
group-onsemi 0:098463de4c5d 213
group-onsemi 0:098463de4c5d 214 /* Memory Region definition */
group-onsemi 0:098463de4c5d 215 typedef struct RegionStruct {
group-onsemi 0:098463de4c5d 216 mmu_region_size_Type rg_t;
group-onsemi 0:098463de4c5d 217 mmu_memory_Type mem_t;
group-onsemi 0:098463de4c5d 218 uint8_t domain;
group-onsemi 0:098463de4c5d 219 mmu_cacheability_Type inner_norm_t;
group-onsemi 0:098463de4c5d 220 mmu_cacheability_Type outer_norm_t;
group-onsemi 0:098463de4c5d 221 mmu_ecc_check_Type e_t;
group-onsemi 0:098463de4c5d 222 mmu_execute_Type xn_t;
group-onsemi 0:098463de4c5d 223 mmu_global_Type g_t;
group-onsemi 0:098463de4c5d 224 mmu_secure_Type sec_t;
group-onsemi 0:098463de4c5d 225 mmu_access_Type priv_t;
group-onsemi 0:098463de4c5d 226 mmu_access_Type user_t;
group-onsemi 0:098463de4c5d 227 mmu_shared_Type sh_t;
group-onsemi 0:098463de4c5d 228
group-onsemi 0:098463de4c5d 229 } mmu_region_attributes_Type;
group-onsemi 0:098463de4c5d 230
group-onsemi 0:098463de4c5d 231 /** \brief Set section execution-never attribute
group-onsemi 0:098463de4c5d 232
group-onsemi 0:098463de4c5d 233 The function sets section execution-never attribute
group-onsemi 0:098463de4c5d 234
group-onsemi 0:098463de4c5d 235 \param [out] descriptor_l1 L1 descriptor.
group-onsemi 0:098463de4c5d 236 \param [in] xn Section execution-never attribute : EXECUTE , NON_EXECUTE.
group-onsemi 0:098463de4c5d 237
group-onsemi 0:098463de4c5d 238 \return 0
group-onsemi 0:098463de4c5d 239 */
group-onsemi 0:098463de4c5d 240 __STATIC_INLINE int __xn_section(uint32_t *descriptor_l1, mmu_execute_Type xn)
group-onsemi 0:098463de4c5d 241 {
group-onsemi 0:098463de4c5d 242 *descriptor_l1 &= SECTION_XN_MASK;
group-onsemi 0:098463de4c5d 243 *descriptor_l1 |= ((xn & 0x1) << SECTION_XN_SHIFT);
group-onsemi 0:098463de4c5d 244 return 0;
group-onsemi 0:098463de4c5d 245 }
group-onsemi 0:098463de4c5d 246
group-onsemi 0:098463de4c5d 247 /** \brief Set section domain
group-onsemi 0:098463de4c5d 248
group-onsemi 0:098463de4c5d 249 The function sets section domain
group-onsemi 0:098463de4c5d 250
group-onsemi 0:098463de4c5d 251 \param [out] descriptor_l1 L1 descriptor.
group-onsemi 0:098463de4c5d 252 \param [in] domain Section domain
group-onsemi 0:098463de4c5d 253
group-onsemi 0:098463de4c5d 254 \return 0
group-onsemi 0:098463de4c5d 255 */
group-onsemi 0:098463de4c5d 256 __STATIC_INLINE int __domain_section(uint32_t *descriptor_l1, uint8_t domain)
group-onsemi 0:098463de4c5d 257 {
group-onsemi 0:098463de4c5d 258 *descriptor_l1 &= SECTION_DOMAIN_MASK;
group-onsemi 0:098463de4c5d 259 *descriptor_l1 |= ((domain & 0xF) << SECTION_DOMAIN_SHIFT);
group-onsemi 0:098463de4c5d 260 return 0;
group-onsemi 0:098463de4c5d 261 }
group-onsemi 0:098463de4c5d 262
group-onsemi 0:098463de4c5d 263 /** \brief Set section parity check
group-onsemi 0:098463de4c5d 264
group-onsemi 0:098463de4c5d 265 The function sets section parity check
group-onsemi 0:098463de4c5d 266
group-onsemi 0:098463de4c5d 267 \param [out] descriptor_l1 L1 descriptor.
group-onsemi 0:098463de4c5d 268 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
group-onsemi 0:098463de4c5d 269
group-onsemi 0:098463de4c5d 270 \return 0
group-onsemi 0:098463de4c5d 271 */
group-onsemi 0:098463de4c5d 272 __STATIC_INLINE int __p_section(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
group-onsemi 0:098463de4c5d 273 {
group-onsemi 0:098463de4c5d 274 *descriptor_l1 &= SECTION_P_MASK;
group-onsemi 0:098463de4c5d 275 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
group-onsemi 0:098463de4c5d 276 return 0;
group-onsemi 0:098463de4c5d 277 }
group-onsemi 0:098463de4c5d 278
group-onsemi 0:098463de4c5d 279 /** \brief Set section access privileges
group-onsemi 0:098463de4c5d 280
group-onsemi 0:098463de4c5d 281 The function sets section access privileges
group-onsemi 0:098463de4c5d 282
group-onsemi 0:098463de4c5d 283 \param [out] descriptor_l1 L1 descriptor.
group-onsemi 0:098463de4c5d 284 \param [in] user User Level Access: NO_ACCESS, RW, READ
group-onsemi 0:098463de4c5d 285 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
group-onsemi 0:098463de4c5d 286 \param [in] afe Access flag enable
group-onsemi 0:098463de4c5d 287
group-onsemi 0:098463de4c5d 288 \return 0
group-onsemi 0:098463de4c5d 289 */
group-onsemi 0:098463de4c5d 290 __STATIC_INLINE int __ap_section(uint32_t *descriptor_l1, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
group-onsemi 0:098463de4c5d 291 {
group-onsemi 0:098463de4c5d 292 uint32_t ap = 0;
group-onsemi 0:098463de4c5d 293
group-onsemi 0:098463de4c5d 294 if (afe == 0) { //full access
group-onsemi 0:098463de4c5d 295 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
group-onsemi 0:098463de4c5d 296 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
group-onsemi 0:098463de4c5d 297 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
group-onsemi 0:098463de4c5d 298 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
group-onsemi 0:098463de4c5d 299 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
group-onsemi 0:098463de4c5d 300 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
group-onsemi 0:098463de4c5d 301 }
group-onsemi 0:098463de4c5d 302
group-onsemi 0:098463de4c5d 303 else { //Simplified access
group-onsemi 0:098463de4c5d 304 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
group-onsemi 0:098463de4c5d 305 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
group-onsemi 0:098463de4c5d 306 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
group-onsemi 0:098463de4c5d 307 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
group-onsemi 0:098463de4c5d 308 }
group-onsemi 0:098463de4c5d 309
group-onsemi 0:098463de4c5d 310 *descriptor_l1 &= SECTION_AP_MASK;
group-onsemi 0:098463de4c5d 311 *descriptor_l1 |= (ap & 0x3) << SECTION_AP_SHIFT;
group-onsemi 0:098463de4c5d 312 *descriptor_l1 |= ((ap & 0x4)>>2) << SECTION_AP2_SHIFT;
group-onsemi 0:098463de4c5d 313
group-onsemi 0:098463de4c5d 314 return 0;
group-onsemi 0:098463de4c5d 315 }
group-onsemi 0:098463de4c5d 316
group-onsemi 0:098463de4c5d 317 /** \brief Set section shareability
group-onsemi 0:098463de4c5d 318
group-onsemi 0:098463de4c5d 319 The function sets section shareability
group-onsemi 0:098463de4c5d 320
group-onsemi 0:098463de4c5d 321 \param [out] descriptor_l1 L1 descriptor.
group-onsemi 0:098463de4c5d 322 \param [in] s_bit Section shareability: NON_SHARED, SHARED
group-onsemi 0:098463de4c5d 323
group-onsemi 0:098463de4c5d 324 \return 0
group-onsemi 0:098463de4c5d 325 */
group-onsemi 0:098463de4c5d 326 __STATIC_INLINE int __shared_section(uint32_t *descriptor_l1, mmu_shared_Type s_bit)
group-onsemi 0:098463de4c5d 327 {
group-onsemi 0:098463de4c5d 328 *descriptor_l1 &= SECTION_S_MASK;
group-onsemi 0:098463de4c5d 329 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_S_SHIFT);
group-onsemi 0:098463de4c5d 330 return 0;
group-onsemi 0:098463de4c5d 331 }
group-onsemi 0:098463de4c5d 332
group-onsemi 0:098463de4c5d 333 /** \brief Set section Global attribute
group-onsemi 0:098463de4c5d 334
group-onsemi 0:098463de4c5d 335 The function sets section Global attribute
group-onsemi 0:098463de4c5d 336
group-onsemi 0:098463de4c5d 337 \param [out] descriptor_l1 L1 descriptor.
group-onsemi 0:098463de4c5d 338 \param [in] g_bit Section attribute: GLOBAL, NON_GLOBAL
group-onsemi 0:098463de4c5d 339
group-onsemi 0:098463de4c5d 340 \return 0
group-onsemi 0:098463de4c5d 341 */
group-onsemi 0:098463de4c5d 342 __STATIC_INLINE int __global_section(uint32_t *descriptor_l1, mmu_global_Type g_bit)
group-onsemi 0:098463de4c5d 343 {
group-onsemi 0:098463de4c5d 344 *descriptor_l1 &= SECTION_NG_MASK;
group-onsemi 0:098463de4c5d 345 *descriptor_l1 |= ((g_bit & 0x1) << SECTION_NG_SHIFT);
group-onsemi 0:098463de4c5d 346 return 0;
group-onsemi 0:098463de4c5d 347 }
group-onsemi 0:098463de4c5d 348
group-onsemi 0:098463de4c5d 349 /** \brief Set section Security attribute
group-onsemi 0:098463de4c5d 350
group-onsemi 0:098463de4c5d 351 The function sets section Global attribute
group-onsemi 0:098463de4c5d 352
group-onsemi 0:098463de4c5d 353 \param [out] descriptor_l1 L1 descriptor.
group-onsemi 0:098463de4c5d 354 \param [in] s_bit Section Security attribute: SECURE, NON_SECURE
group-onsemi 0:098463de4c5d 355
group-onsemi 0:098463de4c5d 356 \return 0
group-onsemi 0:098463de4c5d 357 */
group-onsemi 0:098463de4c5d 358 __STATIC_INLINE int __secure_section(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
group-onsemi 0:098463de4c5d 359 {
group-onsemi 0:098463de4c5d 360 *descriptor_l1 &= SECTION_NS_MASK;
group-onsemi 0:098463de4c5d 361 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_NS_SHIFT);
group-onsemi 0:098463de4c5d 362 return 0;
group-onsemi 0:098463de4c5d 363 }
group-onsemi 0:098463de4c5d 364
group-onsemi 0:098463de4c5d 365 /* Page 4k or 64k */
group-onsemi 0:098463de4c5d 366 /** \brief Set 4k/64k page execution-never attribute
group-onsemi 0:098463de4c5d 367
group-onsemi 0:098463de4c5d 368 The function sets 4k/64k page execution-never attribute
group-onsemi 0:098463de4c5d 369
group-onsemi 0:098463de4c5d 370 \param [out] descriptor_l2 L2 descriptor.
group-onsemi 0:098463de4c5d 371 \param [in] xn Page execution-never attribute : EXECUTE , NON_EXECUTE.
group-onsemi 0:098463de4c5d 372 \param [in] page Page size: PAGE_4k, PAGE_64k,
group-onsemi 0:098463de4c5d 373
group-onsemi 0:098463de4c5d 374 \return 0
group-onsemi 0:098463de4c5d 375 */
group-onsemi 0:098463de4c5d 376 __STATIC_INLINE int __xn_page(uint32_t *descriptor_l2, mmu_execute_Type xn, mmu_region_size_Type page)
group-onsemi 0:098463de4c5d 377 {
group-onsemi 0:098463de4c5d 378 if (page == PAGE_4k)
group-onsemi 0:098463de4c5d 379 {
group-onsemi 0:098463de4c5d 380 *descriptor_l2 &= PAGE_XN_4K_MASK;
group-onsemi 0:098463de4c5d 381 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_4K_SHIFT);
group-onsemi 0:098463de4c5d 382 }
group-onsemi 0:098463de4c5d 383 else
group-onsemi 0:098463de4c5d 384 {
group-onsemi 0:098463de4c5d 385 *descriptor_l2 &= PAGE_XN_64K_MASK;
group-onsemi 0:098463de4c5d 386 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_64K_SHIFT);
group-onsemi 0:098463de4c5d 387 }
group-onsemi 0:098463de4c5d 388 return 0;
group-onsemi 0:098463de4c5d 389 }
group-onsemi 0:098463de4c5d 390
group-onsemi 0:098463de4c5d 391 /** \brief Set 4k/64k page domain
group-onsemi 0:098463de4c5d 392
group-onsemi 0:098463de4c5d 393 The function sets 4k/64k page domain
group-onsemi 0:098463de4c5d 394
group-onsemi 0:098463de4c5d 395 \param [out] descriptor_l1 L1 descriptor.
group-onsemi 0:098463de4c5d 396 \param [in] domain Page domain
group-onsemi 0:098463de4c5d 397
group-onsemi 0:098463de4c5d 398 \return 0
group-onsemi 0:098463de4c5d 399 */
group-onsemi 0:098463de4c5d 400 __STATIC_INLINE int __domain_page(uint32_t *descriptor_l1, uint8_t domain)
group-onsemi 0:098463de4c5d 401 {
group-onsemi 0:098463de4c5d 402 *descriptor_l1 &= PAGE_DOMAIN_MASK;
group-onsemi 0:098463de4c5d 403 *descriptor_l1 |= ((domain & 0xf) << PAGE_DOMAIN_SHIFT);
group-onsemi 0:098463de4c5d 404 return 0;
group-onsemi 0:098463de4c5d 405 }
group-onsemi 0:098463de4c5d 406
group-onsemi 0:098463de4c5d 407 /** \brief Set 4k/64k page parity check
group-onsemi 0:098463de4c5d 408
group-onsemi 0:098463de4c5d 409 The function sets 4k/64k page parity check
group-onsemi 0:098463de4c5d 410
group-onsemi 0:098463de4c5d 411 \param [out] descriptor_l1 L1 descriptor.
group-onsemi 0:098463de4c5d 412 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
group-onsemi 0:098463de4c5d 413
group-onsemi 0:098463de4c5d 414 \return 0
group-onsemi 0:098463de4c5d 415 */
group-onsemi 0:098463de4c5d 416 __STATIC_INLINE int __p_page(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
group-onsemi 0:098463de4c5d 417 {
group-onsemi 0:098463de4c5d 418 *descriptor_l1 &= SECTION_P_MASK;
group-onsemi 0:098463de4c5d 419 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
group-onsemi 0:098463de4c5d 420 return 0;
group-onsemi 0:098463de4c5d 421 }
group-onsemi 0:098463de4c5d 422
group-onsemi 0:098463de4c5d 423 /** \brief Set 4k/64k page access privileges
group-onsemi 0:098463de4c5d 424
group-onsemi 0:098463de4c5d 425 The function sets 4k/64k page access privileges
group-onsemi 0:098463de4c5d 426
group-onsemi 0:098463de4c5d 427 \param [out] descriptor_l2 L2 descriptor.
group-onsemi 0:098463de4c5d 428 \param [in] user User Level Access: NO_ACCESS, RW, READ
group-onsemi 0:098463de4c5d 429 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
group-onsemi 0:098463de4c5d 430 \param [in] afe Access flag enable
group-onsemi 0:098463de4c5d 431
group-onsemi 0:098463de4c5d 432 \return 0
group-onsemi 0:098463de4c5d 433 */
group-onsemi 0:098463de4c5d 434 __STATIC_INLINE int __ap_page(uint32_t *descriptor_l2, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
group-onsemi 0:098463de4c5d 435 {
group-onsemi 0:098463de4c5d 436 uint32_t ap = 0;
group-onsemi 0:098463de4c5d 437
group-onsemi 0:098463de4c5d 438 if (afe == 0) { //full access
group-onsemi 0:098463de4c5d 439 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
group-onsemi 0:098463de4c5d 440 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
group-onsemi 0:098463de4c5d 441 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
group-onsemi 0:098463de4c5d 442 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
group-onsemi 0:098463de4c5d 443 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
group-onsemi 0:098463de4c5d 444 else if ((priv == READ) && (user == READ)) { ap = 0x6; }
group-onsemi 0:098463de4c5d 445 }
group-onsemi 0:098463de4c5d 446
group-onsemi 0:098463de4c5d 447 else { //Simplified access
group-onsemi 0:098463de4c5d 448 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
group-onsemi 0:098463de4c5d 449 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
group-onsemi 0:098463de4c5d 450 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
group-onsemi 0:098463de4c5d 451 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
group-onsemi 0:098463de4c5d 452 }
group-onsemi 0:098463de4c5d 453
group-onsemi 0:098463de4c5d 454 *descriptor_l2 &= PAGE_AP_MASK;
group-onsemi 0:098463de4c5d 455 *descriptor_l2 |= (ap & 0x3) << PAGE_AP_SHIFT;
group-onsemi 0:098463de4c5d 456 *descriptor_l2 |= ((ap & 0x4)>>2) << PAGE_AP2_SHIFT;
group-onsemi 0:098463de4c5d 457
group-onsemi 0:098463de4c5d 458 return 0;
group-onsemi 0:098463de4c5d 459 }
group-onsemi 0:098463de4c5d 460
group-onsemi 0:098463de4c5d 461 /** \brief Set 4k/64k page shareability
group-onsemi 0:098463de4c5d 462
group-onsemi 0:098463de4c5d 463 The function sets 4k/64k page shareability
group-onsemi 0:098463de4c5d 464
group-onsemi 0:098463de4c5d 465 \param [out] descriptor_l2 L2 descriptor.
group-onsemi 0:098463de4c5d 466 \param [in] s_bit 4k/64k page shareability: NON_SHARED, SHARED
group-onsemi 0:098463de4c5d 467
group-onsemi 0:098463de4c5d 468 \return 0
group-onsemi 0:098463de4c5d 469 */
group-onsemi 0:098463de4c5d 470 __STATIC_INLINE int __shared_page(uint32_t *descriptor_l2, mmu_shared_Type s_bit)
group-onsemi 0:098463de4c5d 471 {
group-onsemi 0:098463de4c5d 472 *descriptor_l2 &= PAGE_S_MASK;
group-onsemi 0:098463de4c5d 473 *descriptor_l2 |= ((s_bit & 0x1) << PAGE_S_SHIFT);
group-onsemi 0:098463de4c5d 474 return 0;
group-onsemi 0:098463de4c5d 475 }
group-onsemi 0:098463de4c5d 476
group-onsemi 0:098463de4c5d 477 /** \brief Set 4k/64k page Global attribute
group-onsemi 0:098463de4c5d 478
group-onsemi 0:098463de4c5d 479 The function sets 4k/64k page Global attribute
group-onsemi 0:098463de4c5d 480
group-onsemi 0:098463de4c5d 481 \param [out] descriptor_l2 L2 descriptor.
group-onsemi 0:098463de4c5d 482 \param [in] g_bit 4k/64k page attribute: GLOBAL, NON_GLOBAL
group-onsemi 0:098463de4c5d 483
group-onsemi 0:098463de4c5d 484 \return 0
group-onsemi 0:098463de4c5d 485 */
group-onsemi 0:098463de4c5d 486 __STATIC_INLINE int __global_page(uint32_t *descriptor_l2, mmu_global_Type g_bit)
group-onsemi 0:098463de4c5d 487 {
group-onsemi 0:098463de4c5d 488 *descriptor_l2 &= PAGE_NG_MASK;
group-onsemi 0:098463de4c5d 489 *descriptor_l2 |= ((g_bit & 0x1) << PAGE_NG_SHIFT);
group-onsemi 0:098463de4c5d 490 return 0;
group-onsemi 0:098463de4c5d 491 }
group-onsemi 0:098463de4c5d 492
group-onsemi 0:098463de4c5d 493 /** \brief Set 4k/64k page Security attribute
group-onsemi 0:098463de4c5d 494
group-onsemi 0:098463de4c5d 495 The function sets 4k/64k page Global attribute
group-onsemi 0:098463de4c5d 496
group-onsemi 0:098463de4c5d 497 \param [out] descriptor_l1 L1 descriptor.
group-onsemi 0:098463de4c5d 498 \param [in] s_bit 4k/64k page Security attribute: SECURE, NON_SECURE
group-onsemi 0:098463de4c5d 499
group-onsemi 0:098463de4c5d 500 \return 0
group-onsemi 0:098463de4c5d 501 */
group-onsemi 0:098463de4c5d 502 __STATIC_INLINE int __secure_page(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
group-onsemi 0:098463de4c5d 503 {
group-onsemi 0:098463de4c5d 504 *descriptor_l1 &= PAGE_NS_MASK;
group-onsemi 0:098463de4c5d 505 *descriptor_l1 |= ((s_bit & 0x1) << PAGE_NS_SHIFT);
group-onsemi 0:098463de4c5d 506 return 0;
group-onsemi 0:098463de4c5d 507 }
group-onsemi 0:098463de4c5d 508
group-onsemi 0:098463de4c5d 509
group-onsemi 0:098463de4c5d 510 /** \brief Set Section memory attributes
group-onsemi 0:098463de4c5d 511
group-onsemi 0:098463de4c5d 512 The function sets section memory attributes
group-onsemi 0:098463de4c5d 513
group-onsemi 0:098463de4c5d 514 \param [out] descriptor_l1 L1 descriptor.
group-onsemi 0:098463de4c5d 515 \param [in] mem Section memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
group-onsemi 0:098463de4c5d 516 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
group-onsemi 0:098463de4c5d 517 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
group-onsemi 0:098463de4c5d 518
group-onsemi 0:098463de4c5d 519 \return 0
group-onsemi 0:098463de4c5d 520 */
group-onsemi 0:098463de4c5d 521 __STATIC_INLINE int __memory_section(uint32_t *descriptor_l1, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner)
group-onsemi 0:098463de4c5d 522 {
group-onsemi 0:098463de4c5d 523 *descriptor_l1 &= SECTION_TEXCB_MASK;
group-onsemi 0:098463de4c5d 524
group-onsemi 0:098463de4c5d 525 if (STRONGLY_ORDERED == mem)
group-onsemi 0:098463de4c5d 526 {
group-onsemi 0:098463de4c5d 527 return 0;
group-onsemi 0:098463de4c5d 528 }
group-onsemi 0:098463de4c5d 529 else if (SHARED_DEVICE == mem)
group-onsemi 0:098463de4c5d 530 {
group-onsemi 0:098463de4c5d 531 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
group-onsemi 0:098463de4c5d 532 }
group-onsemi 0:098463de4c5d 533 else if (NON_SHARED_DEVICE == mem)
group-onsemi 0:098463de4c5d 534 {
group-onsemi 0:098463de4c5d 535 *descriptor_l1 |= (1 << SECTION_TEX1_SHIFT);
group-onsemi 0:098463de4c5d 536 }
group-onsemi 0:098463de4c5d 537 else if (NORMAL == mem)
group-onsemi 0:098463de4c5d 538 {
group-onsemi 0:098463de4c5d 539 *descriptor_l1 |= 1 << SECTION_TEX2_SHIFT;
group-onsemi 0:098463de4c5d 540 switch(inner)
group-onsemi 0:098463de4c5d 541 {
group-onsemi 0:098463de4c5d 542 case NON_CACHEABLE:
group-onsemi 0:098463de4c5d 543 break;
group-onsemi 0:098463de4c5d 544 case WB_WA:
group-onsemi 0:098463de4c5d 545 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
group-onsemi 0:098463de4c5d 546 break;
group-onsemi 0:098463de4c5d 547 case WT:
group-onsemi 0:098463de4c5d 548 *descriptor_l1 |= 1 << SECTION_C_SHIFT;
group-onsemi 0:098463de4c5d 549 break;
group-onsemi 0:098463de4c5d 550 case WB_NO_WA:
group-onsemi 0:098463de4c5d 551 *descriptor_l1 |= (1 << SECTION_B_SHIFT) | (1 << SECTION_C_SHIFT);
group-onsemi 0:098463de4c5d 552 break;
group-onsemi 0:098463de4c5d 553 }
group-onsemi 0:098463de4c5d 554 switch(outer)
group-onsemi 0:098463de4c5d 555 {
group-onsemi 0:098463de4c5d 556 case NON_CACHEABLE:
group-onsemi 0:098463de4c5d 557 break;
group-onsemi 0:098463de4c5d 558 case WB_WA:
group-onsemi 0:098463de4c5d 559 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT);
group-onsemi 0:098463de4c5d 560 break;
group-onsemi 0:098463de4c5d 561 case WT:
group-onsemi 0:098463de4c5d 562 *descriptor_l1 |= 1 << SECTION_TEX1_SHIFT;
group-onsemi 0:098463de4c5d 563 break;
group-onsemi 0:098463de4c5d 564 case WB_NO_WA:
group-onsemi 0:098463de4c5d 565 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT) | (1 << SECTION_TEX0_SHIFT);
group-onsemi 0:098463de4c5d 566 break;
group-onsemi 0:098463de4c5d 567 }
group-onsemi 0:098463de4c5d 568 }
group-onsemi 0:098463de4c5d 569
group-onsemi 0:098463de4c5d 570 return 0;
group-onsemi 0:098463de4c5d 571 }
group-onsemi 0:098463de4c5d 572
group-onsemi 0:098463de4c5d 573 /** \brief Set 4k/64k page memory attributes
group-onsemi 0:098463de4c5d 574
group-onsemi 0:098463de4c5d 575 The function sets 4k/64k page memory attributes
group-onsemi 0:098463de4c5d 576
group-onsemi 0:098463de4c5d 577 \param [out] descriptor_l2 L2 descriptor.
group-onsemi 0:098463de4c5d 578 \param [in] mem 4k/64k page memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
group-onsemi 0:098463de4c5d 579 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
group-onsemi 0:098463de4c5d 580 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
group-onsemi 0:098463de4c5d 581
group-onsemi 0:098463de4c5d 582 \return 0
group-onsemi 0:098463de4c5d 583 */
group-onsemi 0:098463de4c5d 584 __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)
group-onsemi 0:098463de4c5d 585 {
group-onsemi 0:098463de4c5d 586 *descriptor_l2 &= PAGE_4K_TEXCB_MASK;
group-onsemi 0:098463de4c5d 587
group-onsemi 0:098463de4c5d 588 if (page == PAGE_64k)
group-onsemi 0:098463de4c5d 589 {
group-onsemi 0:098463de4c5d 590 //same as section
group-onsemi 0:098463de4c5d 591 __memory_section(descriptor_l2, mem, outer, inner);
group-onsemi 0:098463de4c5d 592 }
group-onsemi 0:098463de4c5d 593 else
group-onsemi 0:098463de4c5d 594 {
group-onsemi 0:098463de4c5d 595 if (STRONGLY_ORDERED == mem)
group-onsemi 0:098463de4c5d 596 {
group-onsemi 0:098463de4c5d 597 return 0;
group-onsemi 0:098463de4c5d 598 }
group-onsemi 0:098463de4c5d 599 else if (SHARED_DEVICE == mem)
group-onsemi 0:098463de4c5d 600 {
group-onsemi 0:098463de4c5d 601 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
group-onsemi 0:098463de4c5d 602 }
group-onsemi 0:098463de4c5d 603 else if (NON_SHARED_DEVICE == mem)
group-onsemi 0:098463de4c5d 604 {
group-onsemi 0:098463de4c5d 605 *descriptor_l2 |= (1 << PAGE_4K_TEX1_SHIFT);
group-onsemi 0:098463de4c5d 606 }
group-onsemi 0:098463de4c5d 607 else if (NORMAL == mem)
group-onsemi 0:098463de4c5d 608 {
group-onsemi 0:098463de4c5d 609 *descriptor_l2 |= 1 << PAGE_4K_TEX2_SHIFT;
group-onsemi 0:098463de4c5d 610 switch(inner)
group-onsemi 0:098463de4c5d 611 {
group-onsemi 0:098463de4c5d 612 case NON_CACHEABLE:
group-onsemi 0:098463de4c5d 613 break;
group-onsemi 0:098463de4c5d 614 case WB_WA:
group-onsemi 0:098463de4c5d 615 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
group-onsemi 0:098463de4c5d 616 break;
group-onsemi 0:098463de4c5d 617 case WT:
group-onsemi 0:098463de4c5d 618 *descriptor_l2 |= 1 << PAGE_4K_C_SHIFT;
group-onsemi 0:098463de4c5d 619 break;
group-onsemi 0:098463de4c5d 620 case WB_NO_WA:
group-onsemi 0:098463de4c5d 621 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT) | (1 << PAGE_4K_C_SHIFT);
group-onsemi 0:098463de4c5d 622 break;
group-onsemi 0:098463de4c5d 623 }
group-onsemi 0:098463de4c5d 624 switch(outer)
group-onsemi 0:098463de4c5d 625 {
group-onsemi 0:098463de4c5d 626 case NON_CACHEABLE:
group-onsemi 0:098463de4c5d 627 break;
group-onsemi 0:098463de4c5d 628 case WB_WA:
group-onsemi 0:098463de4c5d 629 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT);
group-onsemi 0:098463de4c5d 630 break;
group-onsemi 0:098463de4c5d 631 case WT:
group-onsemi 0:098463de4c5d 632 *descriptor_l2 |= 1 << PAGE_4K_TEX1_SHIFT;
group-onsemi 0:098463de4c5d 633 break;
group-onsemi 0:098463de4c5d 634 case WB_NO_WA:
group-onsemi 0:098463de4c5d 635 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT) | (1 << PAGE_4K_TEX0_SHIFT);
group-onsemi 0:098463de4c5d 636 break;
group-onsemi 0:098463de4c5d 637 }
group-onsemi 0:098463de4c5d 638 }
group-onsemi 0:098463de4c5d 639 }
group-onsemi 0:098463de4c5d 640
group-onsemi 0:098463de4c5d 641 return 0;
group-onsemi 0:098463de4c5d 642 }
group-onsemi 0:098463de4c5d 643
group-onsemi 0:098463de4c5d 644 /** \brief Create a L1 section descriptor
group-onsemi 0:098463de4c5d 645
group-onsemi 0:098463de4c5d 646 The function creates a section descriptor.
group-onsemi 0:098463de4c5d 647
group-onsemi 0:098463de4c5d 648 Assumptions:
group-onsemi 0:098463de4c5d 649 - 16MB super sections not supported
group-onsemi 0:098463de4c5d 650 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
group-onsemi 0:098463de4c5d 651 - Functions always return 0
group-onsemi 0:098463de4c5d 652
group-onsemi 0:098463de4c5d 653 \param [out] descriptor L1 descriptor
group-onsemi 0:098463de4c5d 654 \param [out] descriptor2 L2 descriptor
group-onsemi 0:098463de4c5d 655 \param [in] reg Section attributes
group-onsemi 0:098463de4c5d 656
group-onsemi 0:098463de4c5d 657 \return 0
group-onsemi 0:098463de4c5d 658 */
group-onsemi 0:098463de4c5d 659 __STATIC_INLINE int __get_section_descriptor(uint32_t *descriptor, mmu_region_attributes_Type reg)
group-onsemi 0:098463de4c5d 660 {
group-onsemi 0:098463de4c5d 661 *descriptor = 0;
group-onsemi 0:098463de4c5d 662
group-onsemi 0:098463de4c5d 663 __memory_section(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t);
group-onsemi 0:098463de4c5d 664 __xn_section(descriptor,reg.xn_t);
group-onsemi 0:098463de4c5d 665 __domain_section(descriptor, reg.domain);
group-onsemi 0:098463de4c5d 666 __p_section(descriptor, reg.e_t);
group-onsemi 0:098463de4c5d 667 __ap_section(descriptor, reg.priv_t, reg.user_t, 1);
group-onsemi 0:098463de4c5d 668 __shared_section(descriptor,reg.sh_t);
group-onsemi 0:098463de4c5d 669 __global_section(descriptor,reg.g_t);
group-onsemi 0:098463de4c5d 670 __secure_section(descriptor,reg.sec_t);
group-onsemi 0:098463de4c5d 671 *descriptor &= SECTION_MASK;
group-onsemi 0:098463de4c5d 672 *descriptor |= SECTION_DESCRIPTOR;
group-onsemi 0:098463de4c5d 673
group-onsemi 0:098463de4c5d 674 return 0;
group-onsemi 0:098463de4c5d 675
group-onsemi 0:098463de4c5d 676 }
group-onsemi 0:098463de4c5d 677
group-onsemi 0:098463de4c5d 678
group-onsemi 0:098463de4c5d 679 /** \brief Create a L1 and L2 4k/64k page descriptor
group-onsemi 0:098463de4c5d 680
group-onsemi 0:098463de4c5d 681 The function creates a 4k/64k page descriptor.
group-onsemi 0:098463de4c5d 682 Assumptions:
group-onsemi 0:098463de4c5d 683 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
group-onsemi 0:098463de4c5d 684 - Functions always return 0
group-onsemi 0:098463de4c5d 685
group-onsemi 0:098463de4c5d 686 \param [out] descriptor L1 descriptor
group-onsemi 0:098463de4c5d 687 \param [out] descriptor2 L2 descriptor
group-onsemi 0:098463de4c5d 688 \param [in] reg 4k/64k page attributes
group-onsemi 0:098463de4c5d 689
group-onsemi 0:098463de4c5d 690 \return 0
group-onsemi 0:098463de4c5d 691 */
group-onsemi 0:098463de4c5d 692 __STATIC_INLINE int __get_page_descriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg)
group-onsemi 0:098463de4c5d 693 {
group-onsemi 0:098463de4c5d 694 *descriptor = 0;
group-onsemi 0:098463de4c5d 695 *descriptor2 = 0;
group-onsemi 0:098463de4c5d 696
group-onsemi 0:098463de4c5d 697 switch (reg.rg_t)
group-onsemi 0:098463de4c5d 698 {
group-onsemi 0:098463de4c5d 699 case PAGE_4k:
group-onsemi 0:098463de4c5d 700 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k);
group-onsemi 0:098463de4c5d 701 __xn_page(descriptor2, reg.xn_t, PAGE_4k);
group-onsemi 0:098463de4c5d 702 __domain_page(descriptor, reg.domain);
group-onsemi 0:098463de4c5d 703 __p_page(descriptor, reg.e_t);
group-onsemi 0:098463de4c5d 704 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
group-onsemi 0:098463de4c5d 705 __shared_page(descriptor2,reg.sh_t);
group-onsemi 0:098463de4c5d 706 __global_page(descriptor2,reg.g_t);
group-onsemi 0:098463de4c5d 707 __secure_page(descriptor,reg.sec_t);
group-onsemi 0:098463de4c5d 708 *descriptor &= PAGE_L1_MASK;
group-onsemi 0:098463de4c5d 709 *descriptor |= PAGE_L1_DESCRIPTOR;
group-onsemi 0:098463de4c5d 710 *descriptor2 &= PAGE_L2_4K_MASK;
group-onsemi 0:098463de4c5d 711 *descriptor2 |= PAGE_L2_4K_DESC;
group-onsemi 0:098463de4c5d 712 break;
group-onsemi 0:098463de4c5d 713
group-onsemi 0:098463de4c5d 714 case PAGE_64k:
group-onsemi 0:098463de4c5d 715 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k);
group-onsemi 0:098463de4c5d 716 __xn_page(descriptor2, reg.xn_t, PAGE_64k);
group-onsemi 0:098463de4c5d 717 __domain_page(descriptor, reg.domain);
group-onsemi 0:098463de4c5d 718 __p_page(descriptor, reg.e_t);
group-onsemi 0:098463de4c5d 719 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
group-onsemi 0:098463de4c5d 720 __shared_page(descriptor2,reg.sh_t);
group-onsemi 0:098463de4c5d 721 __global_page(descriptor2,reg.g_t);
group-onsemi 0:098463de4c5d 722 __secure_page(descriptor,reg.sec_t);
group-onsemi 0:098463de4c5d 723 *descriptor &= PAGE_L1_MASK;
group-onsemi 0:098463de4c5d 724 *descriptor |= PAGE_L1_DESCRIPTOR;
group-onsemi 0:098463de4c5d 725 *descriptor2 &= PAGE_L2_64K_MASK;
group-onsemi 0:098463de4c5d 726 *descriptor2 |= PAGE_L2_64K_DESC;
group-onsemi 0:098463de4c5d 727 break;
group-onsemi 0:098463de4c5d 728
group-onsemi 0:098463de4c5d 729 case SECTION:
group-onsemi 0:098463de4c5d 730 //error
group-onsemi 0:098463de4c5d 731 break;
group-onsemi 0:098463de4c5d 732
group-onsemi 0:098463de4c5d 733 }
group-onsemi 0:098463de4c5d 734
group-onsemi 0:098463de4c5d 735 return 0;
group-onsemi 0:098463de4c5d 736
group-onsemi 0:098463de4c5d 737 }
group-onsemi 0:098463de4c5d 738
group-onsemi 0:098463de4c5d 739 /** \brief Create a 1MB Section
group-onsemi 0:098463de4c5d 740
group-onsemi 0:098463de4c5d 741 \param [in] ttb Translation table base address
group-onsemi 0:098463de4c5d 742 \param [in] base_address Section base address
group-onsemi 0:098463de4c5d 743 \param [in] count Number of sections to create
group-onsemi 0:098463de4c5d 744 \param [in] descriptor_l1 L1 descriptor (region attributes)
group-onsemi 0:098463de4c5d 745
group-onsemi 0:098463de4c5d 746 */
group-onsemi 0:098463de4c5d 747 __STATIC_INLINE void __TTSection(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1)
group-onsemi 0:098463de4c5d 748 {
group-onsemi 0:098463de4c5d 749 uint32_t offset;
group-onsemi 0:098463de4c5d 750 uint32_t entry;
group-onsemi 0:098463de4c5d 751 uint32_t i;
group-onsemi 0:098463de4c5d 752
group-onsemi 0:098463de4c5d 753 offset = base_address >> 20;
group-onsemi 0:098463de4c5d 754 entry = (base_address & 0xFFF00000) | descriptor_l1;
group-onsemi 0:098463de4c5d 755
group-onsemi 0:098463de4c5d 756 //4 bytes aligned
group-onsemi 0:098463de4c5d 757 ttb = ttb + offset;
group-onsemi 0:098463de4c5d 758
group-onsemi 0:098463de4c5d 759 for (i = 0; i < count; i++ )
group-onsemi 0:098463de4c5d 760 {
group-onsemi 0:098463de4c5d 761 //4 bytes aligned
group-onsemi 0:098463de4c5d 762 *ttb++ = entry;
group-onsemi 0:098463de4c5d 763 entry += OFFSET_1M;
group-onsemi 0:098463de4c5d 764 }
group-onsemi 0:098463de4c5d 765 }
group-onsemi 0:098463de4c5d 766
group-onsemi 0:098463de4c5d 767 /** \brief Create a 4k page entry
group-onsemi 0:098463de4c5d 768
group-onsemi 0:098463de4c5d 769 \param [in] ttb L1 table base address
group-onsemi 0:098463de4c5d 770 \param [in] base_address 4k base address
group-onsemi 0:098463de4c5d 771 \param [in] count Number of 4k pages to create
group-onsemi 0:098463de4c5d 772 \param [in] descriptor_l1 L1 descriptor (region attributes)
group-onsemi 0:098463de4c5d 773 \param [in] ttb_l2 L2 table base address
group-onsemi 0:098463de4c5d 774 \param [in] descriptor_l2 L2 descriptor (region attributes)
group-onsemi 0:098463de4c5d 775
group-onsemi 0:098463de4c5d 776 */
group-onsemi 0:098463de4c5d 777 __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 )
group-onsemi 0:098463de4c5d 778 {
group-onsemi 0:098463de4c5d 779
group-onsemi 0:098463de4c5d 780 uint32_t offset, offset2;
group-onsemi 0:098463de4c5d 781 uint32_t entry, entry2;
group-onsemi 0:098463de4c5d 782 uint32_t i;
group-onsemi 0:098463de4c5d 783
group-onsemi 0:098463de4c5d 784
group-onsemi 0:098463de4c5d 785 offset = base_address >> 20;
group-onsemi 0:098463de4c5d 786 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
group-onsemi 0:098463de4c5d 787
group-onsemi 0:098463de4c5d 788 //4 bytes aligned
group-onsemi 0:098463de4c5d 789 ttb += offset;
group-onsemi 0:098463de4c5d 790 //create l1_entry
group-onsemi 0:098463de4c5d 791 *ttb = entry;
group-onsemi 0:098463de4c5d 792
group-onsemi 0:098463de4c5d 793 offset2 = (base_address & 0xff000) >> 12;
group-onsemi 0:098463de4c5d 794 ttb_l2 += offset2;
group-onsemi 0:098463de4c5d 795 entry2 = (base_address & 0xFFFFF000) | descriptor_l2;
group-onsemi 0:098463de4c5d 796 for (i = 0; i < count; i++ )
group-onsemi 0:098463de4c5d 797 {
group-onsemi 0:098463de4c5d 798 //4 bytes aligned
group-onsemi 0:098463de4c5d 799 *ttb_l2++ = entry2;
group-onsemi 0:098463de4c5d 800 entry2 += OFFSET_4K;
group-onsemi 0:098463de4c5d 801 }
group-onsemi 0:098463de4c5d 802 }
group-onsemi 0:098463de4c5d 803
group-onsemi 0:098463de4c5d 804 /** \brief Create a 64k page entry
group-onsemi 0:098463de4c5d 805
group-onsemi 0:098463de4c5d 806 \param [in] ttb L1 table base address
group-onsemi 0:098463de4c5d 807 \param [in] base_address 64k base address
group-onsemi 0:098463de4c5d 808 \param [in] count Number of 64k pages to create
group-onsemi 0:098463de4c5d 809 \param [in] descriptor_l1 L1 descriptor (region attributes)
group-onsemi 0:098463de4c5d 810 \param [in] ttb_l2 L2 table base address
group-onsemi 0:098463de4c5d 811 \param [in] descriptor_l2 L2 descriptor (region attributes)
group-onsemi 0:098463de4c5d 812
group-onsemi 0:098463de4c5d 813 */
group-onsemi 0:098463de4c5d 814 __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 )
group-onsemi 0:098463de4c5d 815 {
group-onsemi 0:098463de4c5d 816 uint32_t offset, offset2;
group-onsemi 0:098463de4c5d 817 uint32_t entry, entry2;
group-onsemi 0:098463de4c5d 818 uint32_t i,j;
group-onsemi 0:098463de4c5d 819
group-onsemi 0:098463de4c5d 820
group-onsemi 0:098463de4c5d 821 offset = base_address >> 20;
group-onsemi 0:098463de4c5d 822 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
group-onsemi 0:098463de4c5d 823
group-onsemi 0:098463de4c5d 824 //4 bytes aligned
group-onsemi 0:098463de4c5d 825 ttb += offset;
group-onsemi 0:098463de4c5d 826 //create l1_entry
group-onsemi 0:098463de4c5d 827 *ttb = entry;
group-onsemi 0:098463de4c5d 828
group-onsemi 0:098463de4c5d 829 offset2 = (base_address & 0xff000) >> 12;
group-onsemi 0:098463de4c5d 830 ttb_l2 += offset2;
group-onsemi 0:098463de4c5d 831 entry2 = (base_address & 0xFFFF0000) | descriptor_l2;
group-onsemi 0:098463de4c5d 832 for (i = 0; i < count; i++ )
group-onsemi 0:098463de4c5d 833 {
group-onsemi 0:098463de4c5d 834 //create 16 entries
group-onsemi 0:098463de4c5d 835 for (j = 0; j < 16; j++)
group-onsemi 0:098463de4c5d 836 //4 bytes aligned
group-onsemi 0:098463de4c5d 837 *ttb_l2++ = entry2;
group-onsemi 0:098463de4c5d 838 entry2 += OFFSET_64K;
group-onsemi 0:098463de4c5d 839 }
group-onsemi 0:098463de4c5d 840 }
group-onsemi 0:098463de4c5d 841
group-onsemi 0:098463de4c5d 842 /*@} end of MMU_Functions */
group-onsemi 0:098463de4c5d 843 #endif
group-onsemi 0:098463de4c5d 844
group-onsemi 0:098463de4c5d 845 #ifdef __cplusplus
group-onsemi 0:098463de4c5d 846 }
group-onsemi 0:098463de4c5d 847 #endif