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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_NRF51_MICROBIT/core_ca_mmu.h@104:b9ad9a133dc7, 2015-08-05 (annotated)

Committer:
Kojto
Date:
Wed Aug 05 13:16:35 2015 +0100
Revision:
104:b9ad9a133dc7
Child:
108:34e6b704fe68
Release 104 of the mbed library:



Changes:

- new platforms: nrf51 microbit

- MAXxxx - fix pwm array search

- LPC8xx - usart enable fix

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 104:b9ad9a133dc7 1 ;/**************************************************************************//**
Kojto 104:b9ad9a133dc7 2 ; * @file core_ca_mmu.h
Kojto 104:b9ad9a133dc7 3 ; * @brief MMU Startup File for
Kojto 104:b9ad9a133dc7 4 ; * VE_A9_MP Device Series
Kojto 104:b9ad9a133dc7 5 ; * @version V1.01
Kojto 104:b9ad9a133dc7 6 ; * @date 25 March 2013
Kojto 104:b9ad9a133dc7 7 ; *
Kojto 104:b9ad9a133dc7 8 ; * @note
Kojto 104:b9ad9a133dc7 9 ; *
Kojto 104:b9ad9a133dc7 10 ; ******************************************************************************/
Kojto 104:b9ad9a133dc7 11 ;/* Copyright (c) 2012 ARM LIMITED
Kojto 104:b9ad9a133dc7 12 ;
Kojto 104:b9ad9a133dc7 13 ; All rights reserved.
Kojto 104:b9ad9a133dc7 14 ; Redistribution and use in source and binary forms, with or without
Kojto 104:b9ad9a133dc7 15 ; modification, are permitted provided that the following conditions are met:
Kojto 104:b9ad9a133dc7 16 ; - Redistributions of source code must retain the above copyright
Kojto 104:b9ad9a133dc7 17 ; notice, this list of conditions and the following disclaimer.
Kojto 104:b9ad9a133dc7 18 ; - Redistributions in binary form must reproduce the above copyright
Kojto 104:b9ad9a133dc7 19 ; notice, this list of conditions and the following disclaimer in the
Kojto 104:b9ad9a133dc7 20 ; documentation and/or other materials provided with the distribution.
Kojto 104:b9ad9a133dc7 21 ; - Neither the name of ARM nor the names of its contributors may be used
Kojto 104:b9ad9a133dc7 22 ; to endorse or promote products derived from this software without
Kojto 104:b9ad9a133dc7 23 ; specific prior written permission.
Kojto 104:b9ad9a133dc7 24 ; *
Kojto 104:b9ad9a133dc7 25 ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Kojto 104:b9ad9a133dc7 26 ; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Kojto 104:b9ad9a133dc7 27 ; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
Kojto 104:b9ad9a133dc7 28 ; ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
Kojto 104:b9ad9a133dc7 29 ; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
Kojto 104:b9ad9a133dc7 30 ; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
Kojto 104:b9ad9a133dc7 31 ; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
Kojto 104:b9ad9a133dc7 32 ; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
Kojto 104:b9ad9a133dc7 33 ; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
Kojto 104:b9ad9a133dc7 34 ; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Kojto 104:b9ad9a133dc7 35 ; POSSIBILITY OF SUCH DAMAGE.
Kojto 104:b9ad9a133dc7 36 ; ---------------------------------------------------------------------------*/
Kojto 104:b9ad9a133dc7 37
Kojto 104:b9ad9a133dc7 38 #ifdef __cplusplus
Kojto 104:b9ad9a133dc7 39 extern "C" {
Kojto 104:b9ad9a133dc7 40 #endif
Kojto 104:b9ad9a133dc7 41
Kojto 104:b9ad9a133dc7 42 #ifndef _MMU_FUNC_H
Kojto 104:b9ad9a133dc7 43 #define _MMU_FUNC_H
Kojto 104:b9ad9a133dc7 44
Kojto 104:b9ad9a133dc7 45 #define SECTION_DESCRIPTOR (0x2)
Kojto 104:b9ad9a133dc7 46 #define SECTION_MASK (0xFFFFFFFC)
Kojto 104:b9ad9a133dc7 47
Kojto 104:b9ad9a133dc7 48 #define SECTION_TEXCB_MASK (0xFFFF8FF3)
Kojto 104:b9ad9a133dc7 49 #define SECTION_B_SHIFT (2)
Kojto 104:b9ad9a133dc7 50 #define SECTION_C_SHIFT (3)
Kojto 104:b9ad9a133dc7 51 #define SECTION_TEX0_SHIFT (12)
Kojto 104:b9ad9a133dc7 52 #define SECTION_TEX1_SHIFT (13)
Kojto 104:b9ad9a133dc7 53 #define SECTION_TEX2_SHIFT (14)
Kojto 104:b9ad9a133dc7 54
Kojto 104:b9ad9a133dc7 55 #define SECTION_XN_MASK (0xFFFFFFEF)
Kojto 104:b9ad9a133dc7 56 #define SECTION_XN_SHIFT (4)
Kojto 104:b9ad9a133dc7 57
Kojto 104:b9ad9a133dc7 58 #define SECTION_DOMAIN_MASK (0xFFFFFE1F)
Kojto 104:b9ad9a133dc7 59 #define SECTION_DOMAIN_SHIFT (5)
Kojto 104:b9ad9a133dc7 60
Kojto 104:b9ad9a133dc7 61 #define SECTION_P_MASK (0xFFFFFDFF)
Kojto 104:b9ad9a133dc7 62 #define SECTION_P_SHIFT (9)
Kojto 104:b9ad9a133dc7 63
Kojto 104:b9ad9a133dc7 64 #define SECTION_AP_MASK (0xFFFF73FF)
Kojto 104:b9ad9a133dc7 65 #define SECTION_AP_SHIFT (10)
Kojto 104:b9ad9a133dc7 66 #define SECTION_AP2_SHIFT (15)
Kojto 104:b9ad9a133dc7 67
Kojto 104:b9ad9a133dc7 68 #define SECTION_S_MASK (0xFFFEFFFF)
Kojto 104:b9ad9a133dc7 69 #define SECTION_S_SHIFT (16)
Kojto 104:b9ad9a133dc7 70
Kojto 104:b9ad9a133dc7 71 #define SECTION_NG_MASK (0xFFFDFFFF)
Kojto 104:b9ad9a133dc7 72 #define SECTION_NG_SHIFT (17)
Kojto 104:b9ad9a133dc7 73
Kojto 104:b9ad9a133dc7 74 #define SECTION_NS_MASK (0xFFF7FFFF)
Kojto 104:b9ad9a133dc7 75 #define SECTION_NS_SHIFT (19)
Kojto 104:b9ad9a133dc7 76
Kojto 104:b9ad9a133dc7 77
Kojto 104:b9ad9a133dc7 78 #define PAGE_L1_DESCRIPTOR (0x1)
Kojto 104:b9ad9a133dc7 79 #define PAGE_L1_MASK (0xFFFFFFFC)
Kojto 104:b9ad9a133dc7 80
Kojto 104:b9ad9a133dc7 81 #define PAGE_L2_4K_DESC (0x2)
Kojto 104:b9ad9a133dc7 82 #define PAGE_L2_4K_MASK (0xFFFFFFFD)
Kojto 104:b9ad9a133dc7 83
Kojto 104:b9ad9a133dc7 84 #define PAGE_L2_64K_DESC (0x1)
Kojto 104:b9ad9a133dc7 85 #define PAGE_L2_64K_MASK (0xFFFFFFFC)
Kojto 104:b9ad9a133dc7 86
Kojto 104:b9ad9a133dc7 87 #define PAGE_4K_TEXCB_MASK (0xFFFFFE33)
Kojto 104:b9ad9a133dc7 88 #define PAGE_4K_B_SHIFT (2)
Kojto 104:b9ad9a133dc7 89 #define PAGE_4K_C_SHIFT (3)
Kojto 104:b9ad9a133dc7 90 #define PAGE_4K_TEX0_SHIFT (6)
Kojto 104:b9ad9a133dc7 91 #define PAGE_4K_TEX1_SHIFT (7)
Kojto 104:b9ad9a133dc7 92 #define PAGE_4K_TEX2_SHIFT (8)
Kojto 104:b9ad9a133dc7 93
Kojto 104:b9ad9a133dc7 94 #define PAGE_64K_TEXCB_MASK (0xFFFF8FF3)
Kojto 104:b9ad9a133dc7 95 #define PAGE_64K_B_SHIFT (2)
Kojto 104:b9ad9a133dc7 96 #define PAGE_64K_C_SHIFT (3)
Kojto 104:b9ad9a133dc7 97 #define PAGE_64K_TEX0_SHIFT (12)
Kojto 104:b9ad9a133dc7 98 #define PAGE_64K_TEX1_SHIFT (13)
Kojto 104:b9ad9a133dc7 99 #define PAGE_64K_TEX2_SHIFT (14)
Kojto 104:b9ad9a133dc7 100
Kojto 104:b9ad9a133dc7 101 #define PAGE_TEXCB_MASK (0xFFFF8FF3)
Kojto 104:b9ad9a133dc7 102 #define PAGE_B_SHIFT (2)
Kojto 104:b9ad9a133dc7 103 #define PAGE_C_SHIFT (3)
Kojto 104:b9ad9a133dc7 104 #define PAGE_TEX_SHIFT (12)
Kojto 104:b9ad9a133dc7 105
Kojto 104:b9ad9a133dc7 106 #define PAGE_XN_4K_MASK (0xFFFFFFFE)
Kojto 104:b9ad9a133dc7 107 #define PAGE_XN_4K_SHIFT (0)
Kojto 104:b9ad9a133dc7 108 #define PAGE_XN_64K_MASK (0xFFFF7FFF)
Kojto 104:b9ad9a133dc7 109 #define PAGE_XN_64K_SHIFT (15)
Kojto 104:b9ad9a133dc7 110
Kojto 104:b9ad9a133dc7 111
Kojto 104:b9ad9a133dc7 112 #define PAGE_DOMAIN_MASK (0xFFFFFE1F)
Kojto 104:b9ad9a133dc7 113 #define PAGE_DOMAIN_SHIFT (5)
Kojto 104:b9ad9a133dc7 114
Kojto 104:b9ad9a133dc7 115 #define PAGE_P_MASK (0xFFFFFDFF)
Kojto 104:b9ad9a133dc7 116 #define PAGE_P_SHIFT (9)
Kojto 104:b9ad9a133dc7 117
Kojto 104:b9ad9a133dc7 118 #define PAGE_AP_MASK (0xFFFFFDCF)
Kojto 104:b9ad9a133dc7 119 #define PAGE_AP_SHIFT (4)
Kojto 104:b9ad9a133dc7 120 #define PAGE_AP2_SHIFT (9)
Kojto 104:b9ad9a133dc7 121
Kojto 104:b9ad9a133dc7 122 #define PAGE_S_MASK (0xFFFFFBFF)
Kojto 104:b9ad9a133dc7 123 #define PAGE_S_SHIFT (10)
Kojto 104:b9ad9a133dc7 124
Kojto 104:b9ad9a133dc7 125 #define PAGE_NG_MASK (0xFFFFF7FF)
Kojto 104:b9ad9a133dc7 126 #define PAGE_NG_SHIFT (11)
Kojto 104:b9ad9a133dc7 127
Kojto 104:b9ad9a133dc7 128 #define PAGE_NS_MASK (0xFFFFFFF7)
Kojto 104:b9ad9a133dc7 129 #define PAGE_NS_SHIFT (3)
Kojto 104:b9ad9a133dc7 130
Kojto 104:b9ad9a133dc7 131 #define OFFSET_1M (0x00100000)
Kojto 104:b9ad9a133dc7 132 #define OFFSET_64K (0x00010000)
Kojto 104:b9ad9a133dc7 133 #define OFFSET_4K (0x00001000)
Kojto 104:b9ad9a133dc7 134
Kojto 104:b9ad9a133dc7 135 #define DESCRIPTOR_FAULT (0x00000000)
Kojto 104:b9ad9a133dc7 136
Kojto 104:b9ad9a133dc7 137 /* ########################### MMU Function Access ########################### */
Kojto 104:b9ad9a133dc7 138 /** \ingroup MMU_FunctionInterface
Kojto 104:b9ad9a133dc7 139 \defgroup MMU_Functions MMU Functions Interface
Kojto 104:b9ad9a133dc7 140 @{
Kojto 104:b9ad9a133dc7 141 */
Kojto 104:b9ad9a133dc7 142
Kojto 104:b9ad9a133dc7 143 /* Attributes enumerations */
Kojto 104:b9ad9a133dc7 144
Kojto 104:b9ad9a133dc7 145 /* Region size attributes */
Kojto 104:b9ad9a133dc7 146 typedef enum
Kojto 104:b9ad9a133dc7 147 {
Kojto 104:b9ad9a133dc7 148 SECTION,
Kojto 104:b9ad9a133dc7 149 PAGE_4k,
Kojto 104:b9ad9a133dc7 150 PAGE_64k,
Kojto 104:b9ad9a133dc7 151 } mmu_region_size_Type;
Kojto 104:b9ad9a133dc7 152
Kojto 104:b9ad9a133dc7 153 /* Region type attributes */
Kojto 104:b9ad9a133dc7 154 typedef enum
Kojto 104:b9ad9a133dc7 155 {
Kojto 104:b9ad9a133dc7 156 NORMAL,
Kojto 104:b9ad9a133dc7 157 DEVICE,
Kojto 104:b9ad9a133dc7 158 SHARED_DEVICE,
Kojto 104:b9ad9a133dc7 159 NON_SHARED_DEVICE,
Kojto 104:b9ad9a133dc7 160 STRONGLY_ORDERED
Kojto 104:b9ad9a133dc7 161 } mmu_memory_Type;
Kojto 104:b9ad9a133dc7 162
Kojto 104:b9ad9a133dc7 163 /* Region cacheability attributes */
Kojto 104:b9ad9a133dc7 164 typedef enum
Kojto 104:b9ad9a133dc7 165 {
Kojto 104:b9ad9a133dc7 166 NON_CACHEABLE,
Kojto 104:b9ad9a133dc7 167 WB_WA,
Kojto 104:b9ad9a133dc7 168 WT,
Kojto 104:b9ad9a133dc7 169 WB_NO_WA,
Kojto 104:b9ad9a133dc7 170 } mmu_cacheability_Type;
Kojto 104:b9ad9a133dc7 171
Kojto 104:b9ad9a133dc7 172 /* Region parity check attributes */
Kojto 104:b9ad9a133dc7 173 typedef enum
Kojto 104:b9ad9a133dc7 174 {
Kojto 104:b9ad9a133dc7 175 ECC_DISABLED,
Kojto 104:b9ad9a133dc7 176 ECC_ENABLED,
Kojto 104:b9ad9a133dc7 177 } mmu_ecc_check_Type;
Kojto 104:b9ad9a133dc7 178
Kojto 104:b9ad9a133dc7 179 /* Region execution attributes */
Kojto 104:b9ad9a133dc7 180 typedef enum
Kojto 104:b9ad9a133dc7 181 {
Kojto 104:b9ad9a133dc7 182 EXECUTE,
Kojto 104:b9ad9a133dc7 183 NON_EXECUTE,
Kojto 104:b9ad9a133dc7 184 } mmu_execute_Type;
Kojto 104:b9ad9a133dc7 185
Kojto 104:b9ad9a133dc7 186 /* Region global attributes */
Kojto 104:b9ad9a133dc7 187 typedef enum
Kojto 104:b9ad9a133dc7 188 {
Kojto 104:b9ad9a133dc7 189 GLOBAL,
Kojto 104:b9ad9a133dc7 190 NON_GLOBAL,
Kojto 104:b9ad9a133dc7 191 } mmu_global_Type;
Kojto 104:b9ad9a133dc7 192
Kojto 104:b9ad9a133dc7 193 /* Region shareability attributes */
Kojto 104:b9ad9a133dc7 194 typedef enum
Kojto 104:b9ad9a133dc7 195 {
Kojto 104:b9ad9a133dc7 196 NON_SHARED,
Kojto 104:b9ad9a133dc7 197 SHARED,
Kojto 104:b9ad9a133dc7 198 } mmu_shared_Type;
Kojto 104:b9ad9a133dc7 199
Kojto 104:b9ad9a133dc7 200 /* Region security attributes */
Kojto 104:b9ad9a133dc7 201 typedef enum
Kojto 104:b9ad9a133dc7 202 {
Kojto 104:b9ad9a133dc7 203 SECURE,
Kojto 104:b9ad9a133dc7 204 NON_SECURE,
Kojto 104:b9ad9a133dc7 205 } mmu_secure_Type;
Kojto 104:b9ad9a133dc7 206
Kojto 104:b9ad9a133dc7 207 /* Region access attributes */
Kojto 104:b9ad9a133dc7 208 typedef enum
Kojto 104:b9ad9a133dc7 209 {
Kojto 104:b9ad9a133dc7 210 NO_ACCESS,
Kojto 104:b9ad9a133dc7 211 RW,
Kojto 104:b9ad9a133dc7 212 READ,
Kojto 104:b9ad9a133dc7 213 } mmu_access_Type;
Kojto 104:b9ad9a133dc7 214
Kojto 104:b9ad9a133dc7 215 /* Memory Region definition */
Kojto 104:b9ad9a133dc7 216 typedef struct RegionStruct {
Kojto 104:b9ad9a133dc7 217 mmu_region_size_Type rg_t;
Kojto 104:b9ad9a133dc7 218 mmu_memory_Type mem_t;
Kojto 104:b9ad9a133dc7 219 uint8_t domain;
Kojto 104:b9ad9a133dc7 220 mmu_cacheability_Type inner_norm_t;
Kojto 104:b9ad9a133dc7 221 mmu_cacheability_Type outer_norm_t;
Kojto 104:b9ad9a133dc7 222 mmu_ecc_check_Type e_t;
Kojto 104:b9ad9a133dc7 223 mmu_execute_Type xn_t;
Kojto 104:b9ad9a133dc7 224 mmu_global_Type g_t;
Kojto 104:b9ad9a133dc7 225 mmu_secure_Type sec_t;
Kojto 104:b9ad9a133dc7 226 mmu_access_Type priv_t;
Kojto 104:b9ad9a133dc7 227 mmu_access_Type user_t;
Kojto 104:b9ad9a133dc7 228 mmu_shared_Type sh_t;
Kojto 104:b9ad9a133dc7 229
Kojto 104:b9ad9a133dc7 230 } mmu_region_attributes_Type;
Kojto 104:b9ad9a133dc7 231
Kojto 104:b9ad9a133dc7 232 /** \brief Set section execution-never attribute
Kojto 104:b9ad9a133dc7 233
Kojto 104:b9ad9a133dc7 234 The function sets section execution-never attribute
Kojto 104:b9ad9a133dc7 235
Kojto 104:b9ad9a133dc7 236 \param [out] descriptor_l1 L1 descriptor.
Kojto 104:b9ad9a133dc7 237 \param [in] xn Section execution-never attribute : EXECUTE , NON_EXECUTE.
Kojto 104:b9ad9a133dc7 238
Kojto 104:b9ad9a133dc7 239 \return 0
Kojto 104:b9ad9a133dc7 240 */
Kojto 104:b9ad9a133dc7 241 __STATIC_INLINE int __xn_section(uint32_t *descriptor_l1, mmu_execute_Type xn)
Kojto 104:b9ad9a133dc7 242 {
Kojto 104:b9ad9a133dc7 243 *descriptor_l1 &= SECTION_XN_MASK;
Kojto 104:b9ad9a133dc7 244 *descriptor_l1 |= ((xn & 0x1) << SECTION_XN_SHIFT);
Kojto 104:b9ad9a133dc7 245 return 0;
Kojto 104:b9ad9a133dc7 246 }
Kojto 104:b9ad9a133dc7 247
Kojto 104:b9ad9a133dc7 248 /** \brief Set section domain
Kojto 104:b9ad9a133dc7 249
Kojto 104:b9ad9a133dc7 250 The function sets section domain
Kojto 104:b9ad9a133dc7 251
Kojto 104:b9ad9a133dc7 252 \param [out] descriptor_l1 L1 descriptor.
Kojto 104:b9ad9a133dc7 253 \param [in] domain Section domain
Kojto 104:b9ad9a133dc7 254
Kojto 104:b9ad9a133dc7 255 \return 0
Kojto 104:b9ad9a133dc7 256 */
Kojto 104:b9ad9a133dc7 257 __STATIC_INLINE int __domain_section(uint32_t *descriptor_l1, uint8_t domain)
Kojto 104:b9ad9a133dc7 258 {
Kojto 104:b9ad9a133dc7 259 *descriptor_l1 &= SECTION_DOMAIN_MASK;
Kojto 104:b9ad9a133dc7 260 *descriptor_l1 |= ((domain & 0xF) << SECTION_DOMAIN_SHIFT);
Kojto 104:b9ad9a133dc7 261 return 0;
Kojto 104:b9ad9a133dc7 262 }
Kojto 104:b9ad9a133dc7 263
Kojto 104:b9ad9a133dc7 264 /** \brief Set section parity check
Kojto 104:b9ad9a133dc7 265
Kojto 104:b9ad9a133dc7 266 The function sets section parity check
Kojto 104:b9ad9a133dc7 267
Kojto 104:b9ad9a133dc7 268 \param [out] descriptor_l1 L1 descriptor.
Kojto 104:b9ad9a133dc7 269 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
Kojto 104:b9ad9a133dc7 270
Kojto 104:b9ad9a133dc7 271 \return 0
Kojto 104:b9ad9a133dc7 272 */
Kojto 104:b9ad9a133dc7 273 __STATIC_INLINE int __p_section(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
Kojto 104:b9ad9a133dc7 274 {
Kojto 104:b9ad9a133dc7 275 *descriptor_l1 &= SECTION_P_MASK;
Kojto 104:b9ad9a133dc7 276 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
Kojto 104:b9ad9a133dc7 277 return 0;
Kojto 104:b9ad9a133dc7 278 }
Kojto 104:b9ad9a133dc7 279
Kojto 104:b9ad9a133dc7 280 /** \brief Set section access privileges
Kojto 104:b9ad9a133dc7 281
Kojto 104:b9ad9a133dc7 282 The function sets section access privileges
Kojto 104:b9ad9a133dc7 283
Kojto 104:b9ad9a133dc7 284 \param [out] descriptor_l1 L1 descriptor.
Kojto 104:b9ad9a133dc7 285 \param [in] user User Level Access: NO_ACCESS, RW, READ
Kojto 104:b9ad9a133dc7 286 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
Kojto 104:b9ad9a133dc7 287 \param [in] afe Access flag enable
Kojto 104:b9ad9a133dc7 288
Kojto 104:b9ad9a133dc7 289 \return 0
Kojto 104:b9ad9a133dc7 290 */
Kojto 104:b9ad9a133dc7 291 __STATIC_INLINE int __ap_section(uint32_t *descriptor_l1, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
Kojto 104:b9ad9a133dc7 292 {
Kojto 104:b9ad9a133dc7 293 uint32_t ap = 0;
Kojto 104:b9ad9a133dc7 294
Kojto 104:b9ad9a133dc7 295 if (afe == 0) { //full access
Kojto 104:b9ad9a133dc7 296 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
Kojto 104:b9ad9a133dc7 297 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Kojto 104:b9ad9a133dc7 298 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
Kojto 104:b9ad9a133dc7 299 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Kojto 104:b9ad9a133dc7 300 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Kojto 104:b9ad9a133dc7 301 else if ((priv == READ) && (user == READ)) { ap = 0x6; }
Kojto 104:b9ad9a133dc7 302 }
Kojto 104:b9ad9a133dc7 303
Kojto 104:b9ad9a133dc7 304 else { //Simplified access
Kojto 104:b9ad9a133dc7 305 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Kojto 104:b9ad9a133dc7 306 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Kojto 104:b9ad9a133dc7 307 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Kojto 104:b9ad9a133dc7 308 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
Kojto 104:b9ad9a133dc7 309 }
Kojto 104:b9ad9a133dc7 310
Kojto 104:b9ad9a133dc7 311 *descriptor_l1 &= SECTION_AP_MASK;
Kojto 104:b9ad9a133dc7 312 *descriptor_l1 |= (ap & 0x3) << SECTION_AP_SHIFT;
Kojto 104:b9ad9a133dc7 313 *descriptor_l1 |= ((ap & 0x4)>>2) << SECTION_AP2_SHIFT;
Kojto 104:b9ad9a133dc7 314
Kojto 104:b9ad9a133dc7 315 return 0;
Kojto 104:b9ad9a133dc7 316 }
Kojto 104:b9ad9a133dc7 317
Kojto 104:b9ad9a133dc7 318 /** \brief Set section shareability
Kojto 104:b9ad9a133dc7 319
Kojto 104:b9ad9a133dc7 320 The function sets section shareability
Kojto 104:b9ad9a133dc7 321
Kojto 104:b9ad9a133dc7 322 \param [out] descriptor_l1 L1 descriptor.
Kojto 104:b9ad9a133dc7 323 \param [in] s_bit Section shareability: NON_SHARED, SHARED
Kojto 104:b9ad9a133dc7 324
Kojto 104:b9ad9a133dc7 325 \return 0
Kojto 104:b9ad9a133dc7 326 */
Kojto 104:b9ad9a133dc7 327 __STATIC_INLINE int __shared_section(uint32_t *descriptor_l1, mmu_shared_Type s_bit)
Kojto 104:b9ad9a133dc7 328 {
Kojto 104:b9ad9a133dc7 329 *descriptor_l1 &= SECTION_S_MASK;
Kojto 104:b9ad9a133dc7 330 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_S_SHIFT);
Kojto 104:b9ad9a133dc7 331 return 0;
Kojto 104:b9ad9a133dc7 332 }
Kojto 104:b9ad9a133dc7 333
Kojto 104:b9ad9a133dc7 334 /** \brief Set section Global attribute
Kojto 104:b9ad9a133dc7 335
Kojto 104:b9ad9a133dc7 336 The function sets section Global attribute
Kojto 104:b9ad9a133dc7 337
Kojto 104:b9ad9a133dc7 338 \param [out] descriptor_l1 L1 descriptor.
Kojto 104:b9ad9a133dc7 339 \param [in] g_bit Section attribute: GLOBAL, NON_GLOBAL
Kojto 104:b9ad9a133dc7 340
Kojto 104:b9ad9a133dc7 341 \return 0
Kojto 104:b9ad9a133dc7 342 */
Kojto 104:b9ad9a133dc7 343 __STATIC_INLINE int __global_section(uint32_t *descriptor_l1, mmu_global_Type g_bit)
Kojto 104:b9ad9a133dc7 344 {
Kojto 104:b9ad9a133dc7 345 *descriptor_l1 &= SECTION_NG_MASK;
Kojto 104:b9ad9a133dc7 346 *descriptor_l1 |= ((g_bit & 0x1) << SECTION_NG_SHIFT);
Kojto 104:b9ad9a133dc7 347 return 0;
Kojto 104:b9ad9a133dc7 348 }
Kojto 104:b9ad9a133dc7 349
Kojto 104:b9ad9a133dc7 350 /** \brief Set section Security attribute
Kojto 104:b9ad9a133dc7 351
Kojto 104:b9ad9a133dc7 352 The function sets section Global attribute
Kojto 104:b9ad9a133dc7 353
Kojto 104:b9ad9a133dc7 354 \param [out] descriptor_l1 L1 descriptor.
Kojto 104:b9ad9a133dc7 355 \param [in] s_bit Section Security attribute: SECURE, NON_SECURE
Kojto 104:b9ad9a133dc7 356
Kojto 104:b9ad9a133dc7 357 \return 0
Kojto 104:b9ad9a133dc7 358 */
Kojto 104:b9ad9a133dc7 359 __STATIC_INLINE int __secure_section(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
Kojto 104:b9ad9a133dc7 360 {
Kojto 104:b9ad9a133dc7 361 *descriptor_l1 &= SECTION_NS_MASK;
Kojto 104:b9ad9a133dc7 362 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_NS_SHIFT);
Kojto 104:b9ad9a133dc7 363 return 0;
Kojto 104:b9ad9a133dc7 364 }
Kojto 104:b9ad9a133dc7 365
Kojto 104:b9ad9a133dc7 366 /* Page 4k or 64k */
Kojto 104:b9ad9a133dc7 367 /** \brief Set 4k/64k page execution-never attribute
Kojto 104:b9ad9a133dc7 368
Kojto 104:b9ad9a133dc7 369 The function sets 4k/64k page execution-never attribute
Kojto 104:b9ad9a133dc7 370
Kojto 104:b9ad9a133dc7 371 \param [out] descriptor_l2 L2 descriptor.
Kojto 104:b9ad9a133dc7 372 \param [in] xn Page execution-never attribute : EXECUTE , NON_EXECUTE.
Kojto 104:b9ad9a133dc7 373 \param [in] page Page size: PAGE_4k, PAGE_64k,
Kojto 104:b9ad9a133dc7 374
Kojto 104:b9ad9a133dc7 375 \return 0
Kojto 104:b9ad9a133dc7 376 */
Kojto 104:b9ad9a133dc7 377 __STATIC_INLINE int __xn_page(uint32_t *descriptor_l2, mmu_execute_Type xn, mmu_region_size_Type page)
Kojto 104:b9ad9a133dc7 378 {
Kojto 104:b9ad9a133dc7 379 if (page == PAGE_4k)
Kojto 104:b9ad9a133dc7 380 {
Kojto 104:b9ad9a133dc7 381 *descriptor_l2 &= PAGE_XN_4K_MASK;
Kojto 104:b9ad9a133dc7 382 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_4K_SHIFT);
Kojto 104:b9ad9a133dc7 383 }
Kojto 104:b9ad9a133dc7 384 else
Kojto 104:b9ad9a133dc7 385 {
Kojto 104:b9ad9a133dc7 386 *descriptor_l2 &= PAGE_XN_64K_MASK;
Kojto 104:b9ad9a133dc7 387 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_64K_SHIFT);
Kojto 104:b9ad9a133dc7 388 }
Kojto 104:b9ad9a133dc7 389 return 0;
Kojto 104:b9ad9a133dc7 390 }
Kojto 104:b9ad9a133dc7 391
Kojto 104:b9ad9a133dc7 392 /** \brief Set 4k/64k page domain
Kojto 104:b9ad9a133dc7 393
Kojto 104:b9ad9a133dc7 394 The function sets 4k/64k page domain
Kojto 104:b9ad9a133dc7 395
Kojto 104:b9ad9a133dc7 396 \param [out] descriptor_l1 L1 descriptor.
Kojto 104:b9ad9a133dc7 397 \param [in] domain Page domain
Kojto 104:b9ad9a133dc7 398
Kojto 104:b9ad9a133dc7 399 \return 0
Kojto 104:b9ad9a133dc7 400 */
Kojto 104:b9ad9a133dc7 401 __STATIC_INLINE int __domain_page(uint32_t *descriptor_l1, uint8_t domain)
Kojto 104:b9ad9a133dc7 402 {
Kojto 104:b9ad9a133dc7 403 *descriptor_l1 &= PAGE_DOMAIN_MASK;
Kojto 104:b9ad9a133dc7 404 *descriptor_l1 |= ((domain & 0xf) << PAGE_DOMAIN_SHIFT);
Kojto 104:b9ad9a133dc7 405 return 0;
Kojto 104:b9ad9a133dc7 406 }
Kojto 104:b9ad9a133dc7 407
Kojto 104:b9ad9a133dc7 408 /** \brief Set 4k/64k page parity check
Kojto 104:b9ad9a133dc7 409
Kojto 104:b9ad9a133dc7 410 The function sets 4k/64k page parity check
Kojto 104:b9ad9a133dc7 411
Kojto 104:b9ad9a133dc7 412 \param [out] descriptor_l1 L1 descriptor.
Kojto 104:b9ad9a133dc7 413 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
Kojto 104:b9ad9a133dc7 414
Kojto 104:b9ad9a133dc7 415 \return 0
Kojto 104:b9ad9a133dc7 416 */
Kojto 104:b9ad9a133dc7 417 __STATIC_INLINE int __p_page(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
Kojto 104:b9ad9a133dc7 418 {
Kojto 104:b9ad9a133dc7 419 *descriptor_l1 &= SECTION_P_MASK;
Kojto 104:b9ad9a133dc7 420 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
Kojto 104:b9ad9a133dc7 421 return 0;
Kojto 104:b9ad9a133dc7 422 }
Kojto 104:b9ad9a133dc7 423
Kojto 104:b9ad9a133dc7 424 /** \brief Set 4k/64k page access privileges
Kojto 104:b9ad9a133dc7 425
Kojto 104:b9ad9a133dc7 426 The function sets 4k/64k page access privileges
Kojto 104:b9ad9a133dc7 427
Kojto 104:b9ad9a133dc7 428 \param [out] descriptor_l2 L2 descriptor.
Kojto 104:b9ad9a133dc7 429 \param [in] user User Level Access: NO_ACCESS, RW, READ
Kojto 104:b9ad9a133dc7 430 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
Kojto 104:b9ad9a133dc7 431 \param [in] afe Access flag enable
Kojto 104:b9ad9a133dc7 432
Kojto 104:b9ad9a133dc7 433 \return 0
Kojto 104:b9ad9a133dc7 434 */
Kojto 104:b9ad9a133dc7 435 __STATIC_INLINE int __ap_page(uint32_t *descriptor_l2, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
Kojto 104:b9ad9a133dc7 436 {
Kojto 104:b9ad9a133dc7 437 uint32_t ap = 0;
Kojto 104:b9ad9a133dc7 438
Kojto 104:b9ad9a133dc7 439 if (afe == 0) { //full access
Kojto 104:b9ad9a133dc7 440 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
Kojto 104:b9ad9a133dc7 441 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Kojto 104:b9ad9a133dc7 442 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
Kojto 104:b9ad9a133dc7 443 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Kojto 104:b9ad9a133dc7 444 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Kojto 104:b9ad9a133dc7 445 else if ((priv == READ) && (user == READ)) { ap = 0x6; }
Kojto 104:b9ad9a133dc7 446 }
Kojto 104:b9ad9a133dc7 447
Kojto 104:b9ad9a133dc7 448 else { //Simplified access
Kojto 104:b9ad9a133dc7 449 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Kojto 104:b9ad9a133dc7 450 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Kojto 104:b9ad9a133dc7 451 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Kojto 104:b9ad9a133dc7 452 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
Kojto 104:b9ad9a133dc7 453 }
Kojto 104:b9ad9a133dc7 454
Kojto 104:b9ad9a133dc7 455 *descriptor_l2 &= PAGE_AP_MASK;
Kojto 104:b9ad9a133dc7 456 *descriptor_l2 |= (ap & 0x3) << PAGE_AP_SHIFT;
Kojto 104:b9ad9a133dc7 457 *descriptor_l2 |= ((ap & 0x4)>>2) << PAGE_AP2_SHIFT;
Kojto 104:b9ad9a133dc7 458
Kojto 104:b9ad9a133dc7 459 return 0;
Kojto 104:b9ad9a133dc7 460 }
Kojto 104:b9ad9a133dc7 461
Kojto 104:b9ad9a133dc7 462 /** \brief Set 4k/64k page shareability
Kojto 104:b9ad9a133dc7 463
Kojto 104:b9ad9a133dc7 464 The function sets 4k/64k page shareability
Kojto 104:b9ad9a133dc7 465
Kojto 104:b9ad9a133dc7 466 \param [out] descriptor_l2 L2 descriptor.
Kojto 104:b9ad9a133dc7 467 \param [in] s_bit 4k/64k page shareability: NON_SHARED, SHARED
Kojto 104:b9ad9a133dc7 468
Kojto 104:b9ad9a133dc7 469 \return 0
Kojto 104:b9ad9a133dc7 470 */
Kojto 104:b9ad9a133dc7 471 __STATIC_INLINE int __shared_page(uint32_t *descriptor_l2, mmu_shared_Type s_bit)
Kojto 104:b9ad9a133dc7 472 {
Kojto 104:b9ad9a133dc7 473 *descriptor_l2 &= PAGE_S_MASK;
Kojto 104:b9ad9a133dc7 474 *descriptor_l2 |= ((s_bit & 0x1) << PAGE_S_SHIFT);
Kojto 104:b9ad9a133dc7 475 return 0;
Kojto 104:b9ad9a133dc7 476 }
Kojto 104:b9ad9a133dc7 477
Kojto 104:b9ad9a133dc7 478 /** \brief Set 4k/64k page Global attribute
Kojto 104:b9ad9a133dc7 479
Kojto 104:b9ad9a133dc7 480 The function sets 4k/64k page Global attribute
Kojto 104:b9ad9a133dc7 481
Kojto 104:b9ad9a133dc7 482 \param [out] descriptor_l2 L2 descriptor.
Kojto 104:b9ad9a133dc7 483 \param [in] g_bit 4k/64k page attribute: GLOBAL, NON_GLOBAL
Kojto 104:b9ad9a133dc7 484
Kojto 104:b9ad9a133dc7 485 \return 0
Kojto 104:b9ad9a133dc7 486 */
Kojto 104:b9ad9a133dc7 487 __STATIC_INLINE int __global_page(uint32_t *descriptor_l2, mmu_global_Type g_bit)
Kojto 104:b9ad9a133dc7 488 {
Kojto 104:b9ad9a133dc7 489 *descriptor_l2 &= PAGE_NG_MASK;
Kojto 104:b9ad9a133dc7 490 *descriptor_l2 |= ((g_bit & 0x1) << PAGE_NG_SHIFT);
Kojto 104:b9ad9a133dc7 491 return 0;
Kojto 104:b9ad9a133dc7 492 }
Kojto 104:b9ad9a133dc7 493
Kojto 104:b9ad9a133dc7 494 /** \brief Set 4k/64k page Security attribute
Kojto 104:b9ad9a133dc7 495
Kojto 104:b9ad9a133dc7 496 The function sets 4k/64k page Global attribute
Kojto 104:b9ad9a133dc7 497
Kojto 104:b9ad9a133dc7 498 \param [out] descriptor_l1 L1 descriptor.
Kojto 104:b9ad9a133dc7 499 \param [in] s_bit 4k/64k page Security attribute: SECURE, NON_SECURE
Kojto 104:b9ad9a133dc7 500
Kojto 104:b9ad9a133dc7 501 \return 0
Kojto 104:b9ad9a133dc7 502 */
Kojto 104:b9ad9a133dc7 503 __STATIC_INLINE int __secure_page(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
Kojto 104:b9ad9a133dc7 504 {
Kojto 104:b9ad9a133dc7 505 *descriptor_l1 &= PAGE_NS_MASK;
Kojto 104:b9ad9a133dc7 506 *descriptor_l1 |= ((s_bit & 0x1) << PAGE_NS_SHIFT);
Kojto 104:b9ad9a133dc7 507 return 0;
Kojto 104:b9ad9a133dc7 508 }
Kojto 104:b9ad9a133dc7 509
Kojto 104:b9ad9a133dc7 510
Kojto 104:b9ad9a133dc7 511 /** \brief Set Section memory attributes
Kojto 104:b9ad9a133dc7 512
Kojto 104:b9ad9a133dc7 513 The function sets section memory attributes
Kojto 104:b9ad9a133dc7 514
Kojto 104:b9ad9a133dc7 515 \param [out] descriptor_l1 L1 descriptor.
Kojto 104:b9ad9a133dc7 516 \param [in] mem Section memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
Kojto 104:b9ad9a133dc7 517 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Kojto 104:b9ad9a133dc7 518 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Kojto 104:b9ad9a133dc7 519
Kojto 104:b9ad9a133dc7 520 \return 0
Kojto 104:b9ad9a133dc7 521 */
Kojto 104:b9ad9a133dc7 522 __STATIC_INLINE int __memory_section(uint32_t *descriptor_l1, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner)
Kojto 104:b9ad9a133dc7 523 {
Kojto 104:b9ad9a133dc7 524 *descriptor_l1 &= SECTION_TEXCB_MASK;
Kojto 104:b9ad9a133dc7 525
Kojto 104:b9ad9a133dc7 526 if (STRONGLY_ORDERED == mem)
Kojto 104:b9ad9a133dc7 527 {
Kojto 104:b9ad9a133dc7 528 return 0;
Kojto 104:b9ad9a133dc7 529 }
Kojto 104:b9ad9a133dc7 530 else if (SHARED_DEVICE == mem)
Kojto 104:b9ad9a133dc7 531 {
Kojto 104:b9ad9a133dc7 532 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
Kojto 104:b9ad9a133dc7 533 }
Kojto 104:b9ad9a133dc7 534 else if (NON_SHARED_DEVICE == mem)
Kojto 104:b9ad9a133dc7 535 {
Kojto 104:b9ad9a133dc7 536 *descriptor_l1 |= (1 << SECTION_TEX1_SHIFT);
Kojto 104:b9ad9a133dc7 537 }
Kojto 104:b9ad9a133dc7 538 else if (NORMAL == mem)
Kojto 104:b9ad9a133dc7 539 {
Kojto 104:b9ad9a133dc7 540 *descriptor_l1 |= 1 << SECTION_TEX2_SHIFT;
Kojto 104:b9ad9a133dc7 541 switch(inner)
Kojto 104:b9ad9a133dc7 542 {
Kojto 104:b9ad9a133dc7 543 case NON_CACHEABLE:
Kojto 104:b9ad9a133dc7 544 break;
Kojto 104:b9ad9a133dc7 545 case WB_WA:
Kojto 104:b9ad9a133dc7 546 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
Kojto 104:b9ad9a133dc7 547 break;
Kojto 104:b9ad9a133dc7 548 case WT:
Kojto 104:b9ad9a133dc7 549 *descriptor_l1 |= 1 << SECTION_C_SHIFT;
Kojto 104:b9ad9a133dc7 550 break;
Kojto 104:b9ad9a133dc7 551 case WB_NO_WA:
Kojto 104:b9ad9a133dc7 552 *descriptor_l1 |= (1 << SECTION_B_SHIFT) | (1 << SECTION_C_SHIFT);
Kojto 104:b9ad9a133dc7 553 break;
Kojto 104:b9ad9a133dc7 554 }
Kojto 104:b9ad9a133dc7 555 switch(outer)
Kojto 104:b9ad9a133dc7 556 {
Kojto 104:b9ad9a133dc7 557 case NON_CACHEABLE:
Kojto 104:b9ad9a133dc7 558 break;
Kojto 104:b9ad9a133dc7 559 case WB_WA:
Kojto 104:b9ad9a133dc7 560 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT);
Kojto 104:b9ad9a133dc7 561 break;
Kojto 104:b9ad9a133dc7 562 case WT:
Kojto 104:b9ad9a133dc7 563 *descriptor_l1 |= 1 << SECTION_TEX1_SHIFT;
Kojto 104:b9ad9a133dc7 564 break;
Kojto 104:b9ad9a133dc7 565 case WB_NO_WA:
Kojto 104:b9ad9a133dc7 566 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT) | (1 << SECTION_TEX0_SHIFT);
Kojto 104:b9ad9a133dc7 567 break;
Kojto 104:b9ad9a133dc7 568 }
Kojto 104:b9ad9a133dc7 569 }
Kojto 104:b9ad9a133dc7 570
Kojto 104:b9ad9a133dc7 571 return 0;
Kojto 104:b9ad9a133dc7 572 }
Kojto 104:b9ad9a133dc7 573
Kojto 104:b9ad9a133dc7 574 /** \brief Set 4k/64k page memory attributes
Kojto 104:b9ad9a133dc7 575
Kojto 104:b9ad9a133dc7 576 The function sets 4k/64k page memory attributes
Kojto 104:b9ad9a133dc7 577
Kojto 104:b9ad9a133dc7 578 \param [out] descriptor_l2 L2 descriptor.
Kojto 104:b9ad9a133dc7 579 \param [in] mem 4k/64k page memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
Kojto 104:b9ad9a133dc7 580 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Kojto 104:b9ad9a133dc7 581 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Kojto 104:b9ad9a133dc7 582
Kojto 104:b9ad9a133dc7 583 \return 0
Kojto 104:b9ad9a133dc7 584 */
Kojto 104:b9ad9a133dc7 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 104:b9ad9a133dc7 586 {
Kojto 104:b9ad9a133dc7 587 *descriptor_l2 &= PAGE_4K_TEXCB_MASK;
Kojto 104:b9ad9a133dc7 588
Kojto 104:b9ad9a133dc7 589 if (page == PAGE_64k)
Kojto 104:b9ad9a133dc7 590 {
Kojto 104:b9ad9a133dc7 591 //same as section
Kojto 104:b9ad9a133dc7 592 __memory_section(descriptor_l2, mem, outer, inner);
Kojto 104:b9ad9a133dc7 593 }
Kojto 104:b9ad9a133dc7 594 else
Kojto 104:b9ad9a133dc7 595 {
Kojto 104:b9ad9a133dc7 596 if (STRONGLY_ORDERED == mem)
Kojto 104:b9ad9a133dc7 597 {
Kojto 104:b9ad9a133dc7 598 return 0;
Kojto 104:b9ad9a133dc7 599 }
Kojto 104:b9ad9a133dc7 600 else if (SHARED_DEVICE == mem)
Kojto 104:b9ad9a133dc7 601 {
Kojto 104:b9ad9a133dc7 602 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
Kojto 104:b9ad9a133dc7 603 }
Kojto 104:b9ad9a133dc7 604 else if (NON_SHARED_DEVICE == mem)
Kojto 104:b9ad9a133dc7 605 {
Kojto 104:b9ad9a133dc7 606 *descriptor_l2 |= (1 << PAGE_4K_TEX1_SHIFT);
Kojto 104:b9ad9a133dc7 607 }
Kojto 104:b9ad9a133dc7 608 else if (NORMAL == mem)
Kojto 104:b9ad9a133dc7 609 {
Kojto 104:b9ad9a133dc7 610 *descriptor_l2 |= 1 << PAGE_4K_TEX2_SHIFT;
Kojto 104:b9ad9a133dc7 611 switch(inner)
Kojto 104:b9ad9a133dc7 612 {
Kojto 104:b9ad9a133dc7 613 case NON_CACHEABLE:
Kojto 104:b9ad9a133dc7 614 break;
Kojto 104:b9ad9a133dc7 615 case WB_WA:
Kojto 104:b9ad9a133dc7 616 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
Kojto 104:b9ad9a133dc7 617 break;
Kojto 104:b9ad9a133dc7 618 case WT:
Kojto 104:b9ad9a133dc7 619 *descriptor_l2 |= 1 << PAGE_4K_C_SHIFT;
Kojto 104:b9ad9a133dc7 620 break;
Kojto 104:b9ad9a133dc7 621 case WB_NO_WA:
Kojto 104:b9ad9a133dc7 622 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT) | (1 << PAGE_4K_C_SHIFT);
Kojto 104:b9ad9a133dc7 623 break;
Kojto 104:b9ad9a133dc7 624 }
Kojto 104:b9ad9a133dc7 625 switch(outer)
Kojto 104:b9ad9a133dc7 626 {
Kojto 104:b9ad9a133dc7 627 case NON_CACHEABLE:
Kojto 104:b9ad9a133dc7 628 break;
Kojto 104:b9ad9a133dc7 629 case WB_WA:
Kojto 104:b9ad9a133dc7 630 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT);
Kojto 104:b9ad9a133dc7 631 break;
Kojto 104:b9ad9a133dc7 632 case WT:
Kojto 104:b9ad9a133dc7 633 *descriptor_l2 |= 1 << PAGE_4K_TEX1_SHIFT;
Kojto 104:b9ad9a133dc7 634 break;
Kojto 104:b9ad9a133dc7 635 case WB_NO_WA:
Kojto 104:b9ad9a133dc7 636 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT) | (1 << PAGE_4K_TEX0_SHIFT);
Kojto 104:b9ad9a133dc7 637 break;
Kojto 104:b9ad9a133dc7 638 }
Kojto 104:b9ad9a133dc7 639 }
Kojto 104:b9ad9a133dc7 640 }
Kojto 104:b9ad9a133dc7 641
Kojto 104:b9ad9a133dc7 642 return 0;
Kojto 104:b9ad9a133dc7 643 }
Kojto 104:b9ad9a133dc7 644
Kojto 104:b9ad9a133dc7 645 /** \brief Create a L1 section descriptor
Kojto 104:b9ad9a133dc7 646
Kojto 104:b9ad9a133dc7 647 The function creates a section descriptor.
Kojto 104:b9ad9a133dc7 648
Kojto 104:b9ad9a133dc7 649 Assumptions:
Kojto 104:b9ad9a133dc7 650 - 16MB super sections not suported
Kojto 104:b9ad9a133dc7 651 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
Kojto 104:b9ad9a133dc7 652 - Functions always return 0
Kojto 104:b9ad9a133dc7 653
Kojto 104:b9ad9a133dc7 654 \param [out] descriptor L1 descriptor
Kojto 104:b9ad9a133dc7 655 \param [out] descriptor2 L2 descriptor
Kojto 104:b9ad9a133dc7 656 \param [in] reg Section attributes
Kojto 104:b9ad9a133dc7 657
Kojto 104:b9ad9a133dc7 658 \return 0
Kojto 104:b9ad9a133dc7 659 */
Kojto 104:b9ad9a133dc7 660 __STATIC_INLINE int __get_section_descriptor(uint32_t *descriptor, mmu_region_attributes_Type reg)
Kojto 104:b9ad9a133dc7 661 {
Kojto 104:b9ad9a133dc7 662 *descriptor = 0;
Kojto 104:b9ad9a133dc7 663
Kojto 104:b9ad9a133dc7 664 __memory_section(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t);
Kojto 104:b9ad9a133dc7 665 __xn_section(descriptor,reg.xn_t);
Kojto 104:b9ad9a133dc7 666 __domain_section(descriptor, reg.domain);
Kojto 104:b9ad9a133dc7 667 __p_section(descriptor, reg.e_t);
Kojto 104:b9ad9a133dc7 668 __ap_section(descriptor, reg.priv_t, reg.user_t, 1);
Kojto 104:b9ad9a133dc7 669 __shared_section(descriptor,reg.sh_t);
Kojto 104:b9ad9a133dc7 670 __global_section(descriptor,reg.g_t);
Kojto 104:b9ad9a133dc7 671 __secure_section(descriptor,reg.sec_t);
Kojto 104:b9ad9a133dc7 672 *descriptor &= SECTION_MASK;
Kojto 104:b9ad9a133dc7 673 *descriptor |= SECTION_DESCRIPTOR;
Kojto 104:b9ad9a133dc7 674
Kojto 104:b9ad9a133dc7 675 return 0;
Kojto 104:b9ad9a133dc7 676
Kojto 104:b9ad9a133dc7 677 }
Kojto 104:b9ad9a133dc7 678
Kojto 104:b9ad9a133dc7 679
Kojto 104:b9ad9a133dc7 680 /** \brief Create a L1 and L2 4k/64k page descriptor
Kojto 104:b9ad9a133dc7 681
Kojto 104:b9ad9a133dc7 682 The function creates a 4k/64k page descriptor.
Kojto 104:b9ad9a133dc7 683 Assumptions:
Kojto 104:b9ad9a133dc7 684 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
Kojto 104:b9ad9a133dc7 685 - Functions always return 0
Kojto 104:b9ad9a133dc7 686
Kojto 104:b9ad9a133dc7 687 \param [out] descriptor L1 descriptor
Kojto 104:b9ad9a133dc7 688 \param [out] descriptor2 L2 descriptor
Kojto 104:b9ad9a133dc7 689 \param [in] reg 4k/64k page attributes
Kojto 104:b9ad9a133dc7 690
Kojto 104:b9ad9a133dc7 691 \return 0
Kojto 104:b9ad9a133dc7 692 */
Kojto 104:b9ad9a133dc7 693 __STATIC_INLINE int __get_page_descriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg)
Kojto 104:b9ad9a133dc7 694 {
Kojto 104:b9ad9a133dc7 695 *descriptor = 0;
Kojto 104:b9ad9a133dc7 696 *descriptor2 = 0;
Kojto 104:b9ad9a133dc7 697
Kojto 104:b9ad9a133dc7 698 switch (reg.rg_t)
Kojto 104:b9ad9a133dc7 699 {
Kojto 104:b9ad9a133dc7 700 case PAGE_4k:
Kojto 104:b9ad9a133dc7 701 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k);
Kojto 104:b9ad9a133dc7 702 __xn_page(descriptor2, reg.xn_t, PAGE_4k);
Kojto 104:b9ad9a133dc7 703 __domain_page(descriptor, reg.domain);
Kojto 104:b9ad9a133dc7 704 __p_page(descriptor, reg.e_t);
Kojto 104:b9ad9a133dc7 705 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
Kojto 104:b9ad9a133dc7 706 __shared_page(descriptor2,reg.sh_t);
Kojto 104:b9ad9a133dc7 707 __global_page(descriptor2,reg.g_t);
Kojto 104:b9ad9a133dc7 708 __secure_page(descriptor,reg.sec_t);
Kojto 104:b9ad9a133dc7 709 *descriptor &= PAGE_L1_MASK;
Kojto 104:b9ad9a133dc7 710 *descriptor |= PAGE_L1_DESCRIPTOR;
Kojto 104:b9ad9a133dc7 711 *descriptor2 &= PAGE_L2_4K_MASK;
Kojto 104:b9ad9a133dc7 712 *descriptor2 |= PAGE_L2_4K_DESC;
Kojto 104:b9ad9a133dc7 713 break;
Kojto 104:b9ad9a133dc7 714
Kojto 104:b9ad9a133dc7 715 case PAGE_64k:
Kojto 104:b9ad9a133dc7 716 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k);
Kojto 104:b9ad9a133dc7 717 __xn_page(descriptor2, reg.xn_t, PAGE_64k);
Kojto 104:b9ad9a133dc7 718 __domain_page(descriptor, reg.domain);
Kojto 104:b9ad9a133dc7 719 __p_page(descriptor, reg.e_t);
Kojto 104:b9ad9a133dc7 720 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
Kojto 104:b9ad9a133dc7 721 __shared_page(descriptor2,reg.sh_t);
Kojto 104:b9ad9a133dc7 722 __global_page(descriptor2,reg.g_t);
Kojto 104:b9ad9a133dc7 723 __secure_page(descriptor,reg.sec_t);
Kojto 104:b9ad9a133dc7 724 *descriptor &= PAGE_L1_MASK;
Kojto 104:b9ad9a133dc7 725 *descriptor |= PAGE_L1_DESCRIPTOR;
Kojto 104:b9ad9a133dc7 726 *descriptor2 &= PAGE_L2_64K_MASK;
Kojto 104:b9ad9a133dc7 727 *descriptor2 |= PAGE_L2_64K_DESC;
Kojto 104:b9ad9a133dc7 728 break;
Kojto 104:b9ad9a133dc7 729
Kojto 104:b9ad9a133dc7 730 case SECTION:
Kojto 104:b9ad9a133dc7 731 //error
Kojto 104:b9ad9a133dc7 732 break;
Kojto 104:b9ad9a133dc7 733
Kojto 104:b9ad9a133dc7 734 }
Kojto 104:b9ad9a133dc7 735
Kojto 104:b9ad9a133dc7 736 return 0;
Kojto 104:b9ad9a133dc7 737
Kojto 104:b9ad9a133dc7 738 }
Kojto 104:b9ad9a133dc7 739
Kojto 104:b9ad9a133dc7 740 /** \brief Create a 1MB Section
Kojto 104:b9ad9a133dc7 741
Kojto 104:b9ad9a133dc7 742 \param [in] ttb Translation table base address
Kojto 104:b9ad9a133dc7 743 \param [in] base_address Section base address
Kojto 104:b9ad9a133dc7 744 \param [in] count Number of sections to create
Kojto 104:b9ad9a133dc7 745 \param [in] descriptor_l1 L1 descriptor (region attributes)
Kojto 104:b9ad9a133dc7 746
Kojto 104:b9ad9a133dc7 747 */
Kojto 104:b9ad9a133dc7 748 __STATIC_INLINE void __TTSection(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1)
Kojto 104:b9ad9a133dc7 749 {
Kojto 104:b9ad9a133dc7 750 uint32_t offset;
Kojto 104:b9ad9a133dc7 751 uint32_t entry;
Kojto 104:b9ad9a133dc7 752 uint32_t i;
Kojto 104:b9ad9a133dc7 753
Kojto 104:b9ad9a133dc7 754 offset = base_address >> 20;
Kojto 104:b9ad9a133dc7 755 entry = (base_address & 0xFFF00000) | descriptor_l1;
Kojto 104:b9ad9a133dc7 756
Kojto 104:b9ad9a133dc7 757 //4 bytes aligned
Kojto 104:b9ad9a133dc7 758 ttb = ttb + offset;
Kojto 104:b9ad9a133dc7 759
Kojto 104:b9ad9a133dc7 760 for (i = 0; i < count; i++ )
Kojto 104:b9ad9a133dc7 761 {
Kojto 104:b9ad9a133dc7 762 //4 bytes aligned
Kojto 104:b9ad9a133dc7 763 *ttb++ = entry;
Kojto 104:b9ad9a133dc7 764 entry += OFFSET_1M;
Kojto 104:b9ad9a133dc7 765 }
Kojto 104:b9ad9a133dc7 766 }
Kojto 104:b9ad9a133dc7 767
Kojto 104:b9ad9a133dc7 768 /** \brief Create a 4k page entry
Kojto 104:b9ad9a133dc7 769
Kojto 104:b9ad9a133dc7 770 \param [in] ttb L1 table base address
Kojto 104:b9ad9a133dc7 771 \param [in] base_address 4k base address
Kojto 104:b9ad9a133dc7 772 \param [in] count Number of 4k pages to create
Kojto 104:b9ad9a133dc7 773 \param [in] descriptor_l1 L1 descriptor (region attributes)
Kojto 104:b9ad9a133dc7 774 \param [in] ttb_l2 L2 table base address
Kojto 104:b9ad9a133dc7 775 \param [in] descriptor_l2 L2 descriptor (region attributes)
Kojto 104:b9ad9a133dc7 776
Kojto 104:b9ad9a133dc7 777 */
Kojto 104:b9ad9a133dc7 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 104:b9ad9a133dc7 779 {
Kojto 104:b9ad9a133dc7 780
Kojto 104:b9ad9a133dc7 781 uint32_t offset, offset2;
Kojto 104:b9ad9a133dc7 782 uint32_t entry, entry2;
Kojto 104:b9ad9a133dc7 783 uint32_t i;
Kojto 104:b9ad9a133dc7 784
Kojto 104:b9ad9a133dc7 785
Kojto 104:b9ad9a133dc7 786 offset = base_address >> 20;
Kojto 104:b9ad9a133dc7 787 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
Kojto 104:b9ad9a133dc7 788
Kojto 104:b9ad9a133dc7 789 //4 bytes aligned
Kojto 104:b9ad9a133dc7 790 ttb += offset;
Kojto 104:b9ad9a133dc7 791 //create l1_entry
Kojto 104:b9ad9a133dc7 792 *ttb = entry;
Kojto 104:b9ad9a133dc7 793
Kojto 104:b9ad9a133dc7 794 offset2 = (base_address & 0xff000) >> 12;
Kojto 104:b9ad9a133dc7 795 ttb_l2 += offset2;
Kojto 104:b9ad9a133dc7 796 entry2 = (base_address & 0xFFFFF000) | descriptor_l2;
Kojto 104:b9ad9a133dc7 797 for (i = 0; i < count; i++ )
Kojto 104:b9ad9a133dc7 798 {
Kojto 104:b9ad9a133dc7 799 //4 bytes aligned
Kojto 104:b9ad9a133dc7 800 *ttb_l2++ = entry2;
Kojto 104:b9ad9a133dc7 801 entry2 += OFFSET_4K;
Kojto 104:b9ad9a133dc7 802 }
Kojto 104:b9ad9a133dc7 803 }
Kojto 104:b9ad9a133dc7 804
Kojto 104:b9ad9a133dc7 805 /** \brief Create a 64k page entry
Kojto 104:b9ad9a133dc7 806
Kojto 104:b9ad9a133dc7 807 \param [in] ttb L1 table base address
Kojto 104:b9ad9a133dc7 808 \param [in] base_address 64k base address
Kojto 104:b9ad9a133dc7 809 \param [in] count Number of 64k pages to create
Kojto 104:b9ad9a133dc7 810 \param [in] descriptor_l1 L1 descriptor (region attributes)
Kojto 104:b9ad9a133dc7 811 \param [in] ttb_l2 L2 table base address
Kojto 104:b9ad9a133dc7 812 \param [in] descriptor_l2 L2 descriptor (region attributes)
Kojto 104:b9ad9a133dc7 813
Kojto 104:b9ad9a133dc7 814 */
Kojto 104:b9ad9a133dc7 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 104:b9ad9a133dc7 816 {
Kojto 104:b9ad9a133dc7 817 uint32_t offset, offset2;
Kojto 104:b9ad9a133dc7 818 uint32_t entry, entry2;
Kojto 104:b9ad9a133dc7 819 uint32_t i,j;
Kojto 104:b9ad9a133dc7 820
Kojto 104:b9ad9a133dc7 821
Kojto 104:b9ad9a133dc7 822 offset = base_address >> 20;
Kojto 104:b9ad9a133dc7 823 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
Kojto 104:b9ad9a133dc7 824
Kojto 104:b9ad9a133dc7 825 //4 bytes aligned
Kojto 104:b9ad9a133dc7 826 ttb += offset;
Kojto 104:b9ad9a133dc7 827 //create l1_entry
Kojto 104:b9ad9a133dc7 828 *ttb = entry;
Kojto 104:b9ad9a133dc7 829
Kojto 104:b9ad9a133dc7 830 offset2 = (base_address & 0xff000) >> 12;
Kojto 104:b9ad9a133dc7 831 ttb_l2 += offset2;
Kojto 104:b9ad9a133dc7 832 entry2 = (base_address & 0xFFFF0000) | descriptor_l2;
Kojto 104:b9ad9a133dc7 833 for (i = 0; i < count; i++ )
Kojto 104:b9ad9a133dc7 834 {
Kojto 104:b9ad9a133dc7 835 //create 16 entries
Kojto 104:b9ad9a133dc7 836 for (j = 0; j < 16; j++)
Kojto 104:b9ad9a133dc7 837 //4 bytes aligned
Kojto 104:b9ad9a133dc7 838 *ttb_l2++ = entry2;
Kojto 104:b9ad9a133dc7 839 entry2 += OFFSET_64K;
Kojto 104:b9ad9a133dc7 840 }
Kojto 104:b9ad9a133dc7 841 }
Kojto 104:b9ad9a133dc7 842
Kojto 104:b9ad9a133dc7 843 /*@} end of MMU_Functions */
Kojto 104:b9ad9a133dc7 844 #endif
Kojto 104:b9ad9a133dc7 845
Kojto 104:b9ad9a133dc7 846 #ifdef __cplusplus
Kojto 104:b9ad9a133dc7 847 }
Kojto 104:b9ad9a133dc7 848 #endif