Pokitto Community Team / Pokitto_

PokittoLib with changes to lcd refresh etc.

Dependents:   Pokittris

Fork of Pokitto by Pokitto Community Team

This is a fork by user @Spinal, and is used in Pokittris for testing. Do not import this to your own program.

mbed-pokitto/targets/cmsis/core_ca_mmu.h@11:02ad9c807a21, 2017-10-15 (annotated)

Committer:
spinal
Date:
Sun Oct 15 18:03:02 2017 +0000
Revision:
11:02ad9c807a21
Parent:
5:7e5c566b1760 
fixed 4color refreshRegion code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pokitto 5:7e5c566b1760 1 ;/**************************************************************************//**
Pokitto 5:7e5c566b1760 2 ; * @file core_ca_mmu.h
Pokitto 5:7e5c566b1760 3 ; * @brief MMU Startup File for A9_MP Device Series
Pokitto 5:7e5c566b1760 4 ; * @version V1.01
Pokitto 5:7e5c566b1760 5 ; * @date 10 Sept 2014
Pokitto 5:7e5c566b1760 6 ; *
Pokitto 5:7e5c566b1760 7 ; * @note
Pokitto 5:7e5c566b1760 8 ; *
Pokitto 5:7e5c566b1760 9 ; ******************************************************************************/
Pokitto 5:7e5c566b1760 10 ;/* Copyright (c) 2012-2014 ARM LIMITED
Pokitto 5:7e5c566b1760 11 ;
Pokitto 5:7e5c566b1760 12 ; All rights reserved.
Pokitto 5:7e5c566b1760 13 ; Redistribution and use in source and binary forms, with or without
Pokitto 5:7e5c566b1760 14 ; modification, are permitted provided that the following conditions are met:
Pokitto 5:7e5c566b1760 15 ; - Redistributions of source code must retain the above copyright
Pokitto 5:7e5c566b1760 16 ; notice, this list of conditions and the following disclaimer.
Pokitto 5:7e5c566b1760 17 ; - Redistributions in binary form must reproduce the above copyright
Pokitto 5:7e5c566b1760 18 ; notice, this list of conditions and the following disclaimer in the
Pokitto 5:7e5c566b1760 19 ; documentation and/or other materials provided with the distribution.
Pokitto 5:7e5c566b1760 20 ; - Neither the name of ARM nor the names of its contributors may be used
Pokitto 5:7e5c566b1760 21 ; to endorse or promote products derived from this software without
Pokitto 5:7e5c566b1760 22 ; specific prior written permission.
Pokitto 5:7e5c566b1760 23 ; *
Pokitto 5:7e5c566b1760 24 ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Pokitto 5:7e5c566b1760 25 ; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Pokitto 5:7e5c566b1760 26 ; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
Pokitto 5:7e5c566b1760 27 ; ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
Pokitto 5:7e5c566b1760 28 ; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
Pokitto 5:7e5c566b1760 29 ; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
Pokitto 5:7e5c566b1760 30 ; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
Pokitto 5:7e5c566b1760 31 ; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
Pokitto 5:7e5c566b1760 32 ; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
Pokitto 5:7e5c566b1760 33 ; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Pokitto 5:7e5c566b1760 34 ; POSSIBILITY OF SUCH DAMAGE.
Pokitto 5:7e5c566b1760 35 ; ---------------------------------------------------------------------------*/
Pokitto 5:7e5c566b1760 36
Pokitto 5:7e5c566b1760 37 #ifdef __cplusplus
Pokitto 5:7e5c566b1760 38 extern "C" {
Pokitto 5:7e5c566b1760 39 #endif
Pokitto 5:7e5c566b1760 40
Pokitto 5:7e5c566b1760 41 #ifndef _MMU_FUNC_H
Pokitto 5:7e5c566b1760 42 #define _MMU_FUNC_H
Pokitto 5:7e5c566b1760 43
Pokitto 5:7e5c566b1760 44 #define SECTION_DESCRIPTOR (0x2)
Pokitto 5:7e5c566b1760 45 #define SECTION_MASK (0xFFFFFFFC)
Pokitto 5:7e5c566b1760 46
Pokitto 5:7e5c566b1760 47 #define SECTION_TEXCB_MASK (0xFFFF8FF3)
Pokitto 5:7e5c566b1760 48 #define SECTION_B_SHIFT (2)
Pokitto 5:7e5c566b1760 49 #define SECTION_C_SHIFT (3)
Pokitto 5:7e5c566b1760 50 #define SECTION_TEX0_SHIFT (12)
Pokitto 5:7e5c566b1760 51 #define SECTION_TEX1_SHIFT (13)
Pokitto 5:7e5c566b1760 52 #define SECTION_TEX2_SHIFT (14)
Pokitto 5:7e5c566b1760 53
Pokitto 5:7e5c566b1760 54 #define SECTION_XN_MASK (0xFFFFFFEF)
Pokitto 5:7e5c566b1760 55 #define SECTION_XN_SHIFT (4)
Pokitto 5:7e5c566b1760 56
Pokitto 5:7e5c566b1760 57 #define SECTION_DOMAIN_MASK (0xFFFFFE1F)
Pokitto 5:7e5c566b1760 58 #define SECTION_DOMAIN_SHIFT (5)
Pokitto 5:7e5c566b1760 59
Pokitto 5:7e5c566b1760 60 #define SECTION_P_MASK (0xFFFFFDFF)
Pokitto 5:7e5c566b1760 61 #define SECTION_P_SHIFT (9)
Pokitto 5:7e5c566b1760 62
Pokitto 5:7e5c566b1760 63 #define SECTION_AP_MASK (0xFFFF73FF)
Pokitto 5:7e5c566b1760 64 #define SECTION_AP_SHIFT (10)
Pokitto 5:7e5c566b1760 65 #define SECTION_AP2_SHIFT (15)
Pokitto 5:7e5c566b1760 66
Pokitto 5:7e5c566b1760 67 #define SECTION_S_MASK (0xFFFEFFFF)
Pokitto 5:7e5c566b1760 68 #define SECTION_S_SHIFT (16)
Pokitto 5:7e5c566b1760 69
Pokitto 5:7e5c566b1760 70 #define SECTION_NG_MASK (0xFFFDFFFF)
Pokitto 5:7e5c566b1760 71 #define SECTION_NG_SHIFT (17)
Pokitto 5:7e5c566b1760 72
Pokitto 5:7e5c566b1760 73 #define SECTION_NS_MASK (0xFFF7FFFF)
Pokitto 5:7e5c566b1760 74 #define SECTION_NS_SHIFT (19)
Pokitto 5:7e5c566b1760 75
Pokitto 5:7e5c566b1760 76
Pokitto 5:7e5c566b1760 77 #define PAGE_L1_DESCRIPTOR (0x1)
Pokitto 5:7e5c566b1760 78 #define PAGE_L1_MASK (0xFFFFFFFC)
Pokitto 5:7e5c566b1760 79
Pokitto 5:7e5c566b1760 80 #define PAGE_L2_4K_DESC (0x2)
Pokitto 5:7e5c566b1760 81 #define PAGE_L2_4K_MASK (0xFFFFFFFD)
Pokitto 5:7e5c566b1760 82
Pokitto 5:7e5c566b1760 83 #define PAGE_L2_64K_DESC (0x1)
Pokitto 5:7e5c566b1760 84 #define PAGE_L2_64K_MASK (0xFFFFFFFC)
Pokitto 5:7e5c566b1760 85
Pokitto 5:7e5c566b1760 86 #define PAGE_4K_TEXCB_MASK (0xFFFFFE33)
Pokitto 5:7e5c566b1760 87 #define PAGE_4K_B_SHIFT (2)
Pokitto 5:7e5c566b1760 88 #define PAGE_4K_C_SHIFT (3)
Pokitto 5:7e5c566b1760 89 #define PAGE_4K_TEX0_SHIFT (6)
Pokitto 5:7e5c566b1760 90 #define PAGE_4K_TEX1_SHIFT (7)
Pokitto 5:7e5c566b1760 91 #define PAGE_4K_TEX2_SHIFT (8)
Pokitto 5:7e5c566b1760 92
Pokitto 5:7e5c566b1760 93 #define PAGE_64K_TEXCB_MASK (0xFFFF8FF3)
Pokitto 5:7e5c566b1760 94 #define PAGE_64K_B_SHIFT (2)
Pokitto 5:7e5c566b1760 95 #define PAGE_64K_C_SHIFT (3)
Pokitto 5:7e5c566b1760 96 #define PAGE_64K_TEX0_SHIFT (12)
Pokitto 5:7e5c566b1760 97 #define PAGE_64K_TEX1_SHIFT (13)
Pokitto 5:7e5c566b1760 98 #define PAGE_64K_TEX2_SHIFT (14)
Pokitto 5:7e5c566b1760 99
Pokitto 5:7e5c566b1760 100 #define PAGE_TEXCB_MASK (0xFFFF8FF3)
Pokitto 5:7e5c566b1760 101 #define PAGE_B_SHIFT (2)
Pokitto 5:7e5c566b1760 102 #define PAGE_C_SHIFT (3)
Pokitto 5:7e5c566b1760 103 #define PAGE_TEX_SHIFT (12)
Pokitto 5:7e5c566b1760 104
Pokitto 5:7e5c566b1760 105 #define PAGE_XN_4K_MASK (0xFFFFFFFE)
Pokitto 5:7e5c566b1760 106 #define PAGE_XN_4K_SHIFT (0)
Pokitto 5:7e5c566b1760 107 #define PAGE_XN_64K_MASK (0xFFFF7FFF)
Pokitto 5:7e5c566b1760 108 #define PAGE_XN_64K_SHIFT (15)
Pokitto 5:7e5c566b1760 109
Pokitto 5:7e5c566b1760 110
Pokitto 5:7e5c566b1760 111 #define PAGE_DOMAIN_MASK (0xFFFFFE1F)
Pokitto 5:7e5c566b1760 112 #define PAGE_DOMAIN_SHIFT (5)
Pokitto 5:7e5c566b1760 113
Pokitto 5:7e5c566b1760 114 #define PAGE_P_MASK (0xFFFFFDFF)
Pokitto 5:7e5c566b1760 115 #define PAGE_P_SHIFT (9)
Pokitto 5:7e5c566b1760 116
Pokitto 5:7e5c566b1760 117 #define PAGE_AP_MASK (0xFFFFFDCF)
Pokitto 5:7e5c566b1760 118 #define PAGE_AP_SHIFT (4)
Pokitto 5:7e5c566b1760 119 #define PAGE_AP2_SHIFT (9)
Pokitto 5:7e5c566b1760 120
Pokitto 5:7e5c566b1760 121 #define PAGE_S_MASK (0xFFFFFBFF)
Pokitto 5:7e5c566b1760 122 #define PAGE_S_SHIFT (10)
Pokitto 5:7e5c566b1760 123
Pokitto 5:7e5c566b1760 124 #define PAGE_NG_MASK (0xFFFFF7FF)
Pokitto 5:7e5c566b1760 125 #define PAGE_NG_SHIFT (11)
Pokitto 5:7e5c566b1760 126
Pokitto 5:7e5c566b1760 127 #define PAGE_NS_MASK (0xFFFFFFF7)
Pokitto 5:7e5c566b1760 128 #define PAGE_NS_SHIFT (3)
Pokitto 5:7e5c566b1760 129
Pokitto 5:7e5c566b1760 130 #define OFFSET_1M (0x00100000)
Pokitto 5:7e5c566b1760 131 #define OFFSET_64K (0x00010000)
Pokitto 5:7e5c566b1760 132 #define OFFSET_4K (0x00001000)
Pokitto 5:7e5c566b1760 133
Pokitto 5:7e5c566b1760 134 #define DESCRIPTOR_FAULT (0x00000000)
Pokitto 5:7e5c566b1760 135
Pokitto 5:7e5c566b1760 136 /* ########################### MMU Function Access ########################### */
Pokitto 5:7e5c566b1760 137 /** \ingroup MMU_FunctionInterface
Pokitto 5:7e5c566b1760 138 \defgroup MMU_Functions MMU Functions Interface
Pokitto 5:7e5c566b1760 139 @{
Pokitto 5:7e5c566b1760 140 */
Pokitto 5:7e5c566b1760 141
Pokitto 5:7e5c566b1760 142 /* Attributes enumerations */
Pokitto 5:7e5c566b1760 143
Pokitto 5:7e5c566b1760 144 /* Region size attributes */
Pokitto 5:7e5c566b1760 145 typedef enum
Pokitto 5:7e5c566b1760 146 {
Pokitto 5:7e5c566b1760 147 SECTION,
Pokitto 5:7e5c566b1760 148 PAGE_4k,
Pokitto 5:7e5c566b1760 149 PAGE_64k,
Pokitto 5:7e5c566b1760 150 } mmu_region_size_Type;
Pokitto 5:7e5c566b1760 151
Pokitto 5:7e5c566b1760 152 /* Region type attributes */
Pokitto 5:7e5c566b1760 153 typedef enum
Pokitto 5:7e5c566b1760 154 {
Pokitto 5:7e5c566b1760 155 NORMAL,
Pokitto 5:7e5c566b1760 156 DEVICE,
Pokitto 5:7e5c566b1760 157 SHARED_DEVICE,
Pokitto 5:7e5c566b1760 158 NON_SHARED_DEVICE,
Pokitto 5:7e5c566b1760 159 STRONGLY_ORDERED
Pokitto 5:7e5c566b1760 160 } mmu_memory_Type;
Pokitto 5:7e5c566b1760 161
Pokitto 5:7e5c566b1760 162 /* Region cacheability attributes */
Pokitto 5:7e5c566b1760 163 typedef enum
Pokitto 5:7e5c566b1760 164 {
Pokitto 5:7e5c566b1760 165 NON_CACHEABLE,
Pokitto 5:7e5c566b1760 166 WB_WA,
Pokitto 5:7e5c566b1760 167 WT,
Pokitto 5:7e5c566b1760 168 WB_NO_WA,
Pokitto 5:7e5c566b1760 169 } mmu_cacheability_Type;
Pokitto 5:7e5c566b1760 170
Pokitto 5:7e5c566b1760 171 /* Region parity check attributes */
Pokitto 5:7e5c566b1760 172 typedef enum
Pokitto 5:7e5c566b1760 173 {
Pokitto 5:7e5c566b1760 174 ECC_DISABLED,
Pokitto 5:7e5c566b1760 175 ECC_ENABLED,
Pokitto 5:7e5c566b1760 176 } mmu_ecc_check_Type;
Pokitto 5:7e5c566b1760 177
Pokitto 5:7e5c566b1760 178 /* Region execution attributes */
Pokitto 5:7e5c566b1760 179 typedef enum
Pokitto 5:7e5c566b1760 180 {
Pokitto 5:7e5c566b1760 181 EXECUTE,
Pokitto 5:7e5c566b1760 182 NON_EXECUTE,
Pokitto 5:7e5c566b1760 183 } mmu_execute_Type;
Pokitto 5:7e5c566b1760 184
Pokitto 5:7e5c566b1760 185 /* Region global attributes */
Pokitto 5:7e5c566b1760 186 typedef enum
Pokitto 5:7e5c566b1760 187 {
Pokitto 5:7e5c566b1760 188 GLOBAL,
Pokitto 5:7e5c566b1760 189 NON_GLOBAL,
Pokitto 5:7e5c566b1760 190 } mmu_global_Type;
Pokitto 5:7e5c566b1760 191
Pokitto 5:7e5c566b1760 192 /* Region shareability attributes */
Pokitto 5:7e5c566b1760 193 typedef enum
Pokitto 5:7e5c566b1760 194 {
Pokitto 5:7e5c566b1760 195 NON_SHARED,
Pokitto 5:7e5c566b1760 196 SHARED,
Pokitto 5:7e5c566b1760 197 } mmu_shared_Type;
Pokitto 5:7e5c566b1760 198
Pokitto 5:7e5c566b1760 199 /* Region security attributes */
Pokitto 5:7e5c566b1760 200 typedef enum
Pokitto 5:7e5c566b1760 201 {
Pokitto 5:7e5c566b1760 202 SECURE,
Pokitto 5:7e5c566b1760 203 NON_SECURE,
Pokitto 5:7e5c566b1760 204 } mmu_secure_Type;
Pokitto 5:7e5c566b1760 205
Pokitto 5:7e5c566b1760 206 /* Region access attributes */
Pokitto 5:7e5c566b1760 207 typedef enum
Pokitto 5:7e5c566b1760 208 {
Pokitto 5:7e5c566b1760 209 NO_ACCESS,
Pokitto 5:7e5c566b1760 210 RW,
Pokitto 5:7e5c566b1760 211 READ,
Pokitto 5:7e5c566b1760 212 } mmu_access_Type;
Pokitto 5:7e5c566b1760 213
Pokitto 5:7e5c566b1760 214 /* Memory Region definition */
Pokitto 5:7e5c566b1760 215 typedef struct RegionStruct {
Pokitto 5:7e5c566b1760 216 mmu_region_size_Type rg_t;
Pokitto 5:7e5c566b1760 217 mmu_memory_Type mem_t;
Pokitto 5:7e5c566b1760 218 uint8_t domain;
Pokitto 5:7e5c566b1760 219 mmu_cacheability_Type inner_norm_t;
Pokitto 5:7e5c566b1760 220 mmu_cacheability_Type outer_norm_t;
Pokitto 5:7e5c566b1760 221 mmu_ecc_check_Type e_t;
Pokitto 5:7e5c566b1760 222 mmu_execute_Type xn_t;
Pokitto 5:7e5c566b1760 223 mmu_global_Type g_t;
Pokitto 5:7e5c566b1760 224 mmu_secure_Type sec_t;
Pokitto 5:7e5c566b1760 225 mmu_access_Type priv_t;
Pokitto 5:7e5c566b1760 226 mmu_access_Type user_t;
Pokitto 5:7e5c566b1760 227 mmu_shared_Type sh_t;
Pokitto 5:7e5c566b1760 228
Pokitto 5:7e5c566b1760 229 } mmu_region_attributes_Type;
Pokitto 5:7e5c566b1760 230
Pokitto 5:7e5c566b1760 231 /** \brief Set section execution-never attribute
Pokitto 5:7e5c566b1760 232
Pokitto 5:7e5c566b1760 233 The function sets section execution-never attribute
Pokitto 5:7e5c566b1760 234
Pokitto 5:7e5c566b1760 235 \param [out] descriptor_l1 L1 descriptor.
Pokitto 5:7e5c566b1760 236 \param [in] xn Section execution-never attribute : EXECUTE , NON_EXECUTE.
Pokitto 5:7e5c566b1760 237
Pokitto 5:7e5c566b1760 238 \return 0
Pokitto 5:7e5c566b1760 239 */
Pokitto 5:7e5c566b1760 240 __STATIC_INLINE int __xn_section(uint32_t *descriptor_l1, mmu_execute_Type xn)
Pokitto 5:7e5c566b1760 241 {
Pokitto 5:7e5c566b1760 242 *descriptor_l1 &= SECTION_XN_MASK;
Pokitto 5:7e5c566b1760 243 *descriptor_l1 |= ((xn & 0x1) << SECTION_XN_SHIFT);
Pokitto 5:7e5c566b1760 244 return 0;
Pokitto 5:7e5c566b1760 245 }
Pokitto 5:7e5c566b1760 246
Pokitto 5:7e5c566b1760 247 /** \brief Set section domain
Pokitto 5:7e5c566b1760 248
Pokitto 5:7e5c566b1760 249 The function sets section domain
Pokitto 5:7e5c566b1760 250
Pokitto 5:7e5c566b1760 251 \param [out] descriptor_l1 L1 descriptor.
Pokitto 5:7e5c566b1760 252 \param [in] domain Section domain
Pokitto 5:7e5c566b1760 253
Pokitto 5:7e5c566b1760 254 \return 0
Pokitto 5:7e5c566b1760 255 */
Pokitto 5:7e5c566b1760 256 __STATIC_INLINE int __domain_section(uint32_t *descriptor_l1, uint8_t domain)
Pokitto 5:7e5c566b1760 257 {
Pokitto 5:7e5c566b1760 258 *descriptor_l1 &= SECTION_DOMAIN_MASK;
Pokitto 5:7e5c566b1760 259 *descriptor_l1 |= ((domain & 0xF) << SECTION_DOMAIN_SHIFT);
Pokitto 5:7e5c566b1760 260 return 0;
Pokitto 5:7e5c566b1760 261 }
Pokitto 5:7e5c566b1760 262
Pokitto 5:7e5c566b1760 263 /** \brief Set section parity check
Pokitto 5:7e5c566b1760 264
Pokitto 5:7e5c566b1760 265 The function sets section parity check
Pokitto 5:7e5c566b1760 266
Pokitto 5:7e5c566b1760 267 \param [out] descriptor_l1 L1 descriptor.
Pokitto 5:7e5c566b1760 268 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
Pokitto 5:7e5c566b1760 269
Pokitto 5:7e5c566b1760 270 \return 0
Pokitto 5:7e5c566b1760 271 */
Pokitto 5:7e5c566b1760 272 __STATIC_INLINE int __p_section(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
Pokitto 5:7e5c566b1760 273 {
Pokitto 5:7e5c566b1760 274 *descriptor_l1 &= SECTION_P_MASK;
Pokitto 5:7e5c566b1760 275 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
Pokitto 5:7e5c566b1760 276 return 0;
Pokitto 5:7e5c566b1760 277 }
Pokitto 5:7e5c566b1760 278
Pokitto 5:7e5c566b1760 279 /** \brief Set section access privileges
Pokitto 5:7e5c566b1760 280
Pokitto 5:7e5c566b1760 281 The function sets section access privileges
Pokitto 5:7e5c566b1760 282
Pokitto 5:7e5c566b1760 283 \param [out] descriptor_l1 L1 descriptor.
Pokitto 5:7e5c566b1760 284 \param [in] user User Level Access: NO_ACCESS, RW, READ
Pokitto 5:7e5c566b1760 285 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
Pokitto 5:7e5c566b1760 286 \param [in] afe Access flag enable
Pokitto 5:7e5c566b1760 287
Pokitto 5:7e5c566b1760 288 \return 0
Pokitto 5:7e5c566b1760 289 */
Pokitto 5:7e5c566b1760 290 __STATIC_INLINE int __ap_section(uint32_t *descriptor_l1, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
Pokitto 5:7e5c566b1760 291 {
Pokitto 5:7e5c566b1760 292 uint32_t ap = 0;
Pokitto 5:7e5c566b1760 293
Pokitto 5:7e5c566b1760 294 if (afe == 0) { //full access
Pokitto 5:7e5c566b1760 295 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
Pokitto 5:7e5c566b1760 296 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Pokitto 5:7e5c566b1760 297 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
Pokitto 5:7e5c566b1760 298 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Pokitto 5:7e5c566b1760 299 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Pokitto 5:7e5c566b1760 300 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
Pokitto 5:7e5c566b1760 301 }
Pokitto 5:7e5c566b1760 302
Pokitto 5:7e5c566b1760 303 else { //Simplified access
Pokitto 5:7e5c566b1760 304 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Pokitto 5:7e5c566b1760 305 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Pokitto 5:7e5c566b1760 306 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Pokitto 5:7e5c566b1760 307 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
Pokitto 5:7e5c566b1760 308 }
Pokitto 5:7e5c566b1760 309
Pokitto 5:7e5c566b1760 310 *descriptor_l1 &= SECTION_AP_MASK;
Pokitto 5:7e5c566b1760 311 *descriptor_l1 |= (ap & 0x3) << SECTION_AP_SHIFT;
Pokitto 5:7e5c566b1760 312 *descriptor_l1 |= ((ap & 0x4)>>2) << SECTION_AP2_SHIFT;
Pokitto 5:7e5c566b1760 313
Pokitto 5:7e5c566b1760 314 return 0;
Pokitto 5:7e5c566b1760 315 }
Pokitto 5:7e5c566b1760 316
Pokitto 5:7e5c566b1760 317 /** \brief Set section shareability
Pokitto 5:7e5c566b1760 318
Pokitto 5:7e5c566b1760 319 The function sets section shareability
Pokitto 5:7e5c566b1760 320
Pokitto 5:7e5c566b1760 321 \param [out] descriptor_l1 L1 descriptor.
Pokitto 5:7e5c566b1760 322 \param [in] s_bit Section shareability: NON_SHARED, SHARED
Pokitto 5:7e5c566b1760 323
Pokitto 5:7e5c566b1760 324 \return 0
Pokitto 5:7e5c566b1760 325 */
Pokitto 5:7e5c566b1760 326 __STATIC_INLINE int __shared_section(uint32_t *descriptor_l1, mmu_shared_Type s_bit)
Pokitto 5:7e5c566b1760 327 {
Pokitto 5:7e5c566b1760 328 *descriptor_l1 &= SECTION_S_MASK;
Pokitto 5:7e5c566b1760 329 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_S_SHIFT);
Pokitto 5:7e5c566b1760 330 return 0;
Pokitto 5:7e5c566b1760 331 }
Pokitto 5:7e5c566b1760 332
Pokitto 5:7e5c566b1760 333 /** \brief Set section Global attribute
Pokitto 5:7e5c566b1760 334
Pokitto 5:7e5c566b1760 335 The function sets section Global attribute
Pokitto 5:7e5c566b1760 336
Pokitto 5:7e5c566b1760 337 \param [out] descriptor_l1 L1 descriptor.
Pokitto 5:7e5c566b1760 338 \param [in] g_bit Section attribute: GLOBAL, NON_GLOBAL
Pokitto 5:7e5c566b1760 339
Pokitto 5:7e5c566b1760 340 \return 0
Pokitto 5:7e5c566b1760 341 */
Pokitto 5:7e5c566b1760 342 __STATIC_INLINE int __global_section(uint32_t *descriptor_l1, mmu_global_Type g_bit)
Pokitto 5:7e5c566b1760 343 {
Pokitto 5:7e5c566b1760 344 *descriptor_l1 &= SECTION_NG_MASK;
Pokitto 5:7e5c566b1760 345 *descriptor_l1 |= ((g_bit & 0x1) << SECTION_NG_SHIFT);
Pokitto 5:7e5c566b1760 346 return 0;
Pokitto 5:7e5c566b1760 347 }
Pokitto 5:7e5c566b1760 348
Pokitto 5:7e5c566b1760 349 /** \brief Set section Security attribute
Pokitto 5:7e5c566b1760 350
Pokitto 5:7e5c566b1760 351 The function sets section Global attribute
Pokitto 5:7e5c566b1760 352
Pokitto 5:7e5c566b1760 353 \param [out] descriptor_l1 L1 descriptor.
Pokitto 5:7e5c566b1760 354 \param [in] s_bit Section Security attribute: SECURE, NON_SECURE
Pokitto 5:7e5c566b1760 355
Pokitto 5:7e5c566b1760 356 \return 0
Pokitto 5:7e5c566b1760 357 */
Pokitto 5:7e5c566b1760 358 __STATIC_INLINE int __secure_section(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
Pokitto 5:7e5c566b1760 359 {
Pokitto 5:7e5c566b1760 360 *descriptor_l1 &= SECTION_NS_MASK;
Pokitto 5:7e5c566b1760 361 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_NS_SHIFT);
Pokitto 5:7e5c566b1760 362 return 0;
Pokitto 5:7e5c566b1760 363 }
Pokitto 5:7e5c566b1760 364
Pokitto 5:7e5c566b1760 365 /* Page 4k or 64k */
Pokitto 5:7e5c566b1760 366 /** \brief Set 4k/64k page execution-never attribute
Pokitto 5:7e5c566b1760 367
Pokitto 5:7e5c566b1760 368 The function sets 4k/64k page execution-never attribute
Pokitto 5:7e5c566b1760 369
Pokitto 5:7e5c566b1760 370 \param [out] descriptor_l2 L2 descriptor.
Pokitto 5:7e5c566b1760 371 \param [in] xn Page execution-never attribute : EXECUTE , NON_EXECUTE.
Pokitto 5:7e5c566b1760 372 \param [in] page Page size: PAGE_4k, PAGE_64k,
Pokitto 5:7e5c566b1760 373
Pokitto 5:7e5c566b1760 374 \return 0
Pokitto 5:7e5c566b1760 375 */
Pokitto 5:7e5c566b1760 376 __STATIC_INLINE int __xn_page(uint32_t *descriptor_l2, mmu_execute_Type xn, mmu_region_size_Type page)
Pokitto 5:7e5c566b1760 377 {
Pokitto 5:7e5c566b1760 378 if (page == PAGE_4k)
Pokitto 5:7e5c566b1760 379 {
Pokitto 5:7e5c566b1760 380 *descriptor_l2 &= PAGE_XN_4K_MASK;
Pokitto 5:7e5c566b1760 381 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_4K_SHIFT);
Pokitto 5:7e5c566b1760 382 }
Pokitto 5:7e5c566b1760 383 else
Pokitto 5:7e5c566b1760 384 {
Pokitto 5:7e5c566b1760 385 *descriptor_l2 &= PAGE_XN_64K_MASK;
Pokitto 5:7e5c566b1760 386 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_64K_SHIFT);
Pokitto 5:7e5c566b1760 387 }
Pokitto 5:7e5c566b1760 388 return 0;
Pokitto 5:7e5c566b1760 389 }
Pokitto 5:7e5c566b1760 390
Pokitto 5:7e5c566b1760 391 /** \brief Set 4k/64k page domain
Pokitto 5:7e5c566b1760 392
Pokitto 5:7e5c566b1760 393 The function sets 4k/64k page domain
Pokitto 5:7e5c566b1760 394
Pokitto 5:7e5c566b1760 395 \param [out] descriptor_l1 L1 descriptor.
Pokitto 5:7e5c566b1760 396 \param [in] domain Page domain
Pokitto 5:7e5c566b1760 397
Pokitto 5:7e5c566b1760 398 \return 0
Pokitto 5:7e5c566b1760 399 */
Pokitto 5:7e5c566b1760 400 __STATIC_INLINE int __domain_page(uint32_t *descriptor_l1, uint8_t domain)
Pokitto 5:7e5c566b1760 401 {
Pokitto 5:7e5c566b1760 402 *descriptor_l1 &= PAGE_DOMAIN_MASK;
Pokitto 5:7e5c566b1760 403 *descriptor_l1 |= ((domain & 0xf) << PAGE_DOMAIN_SHIFT);
Pokitto 5:7e5c566b1760 404 return 0;
Pokitto 5:7e5c566b1760 405 }
Pokitto 5:7e5c566b1760 406
Pokitto 5:7e5c566b1760 407 /** \brief Set 4k/64k page parity check
Pokitto 5:7e5c566b1760 408
Pokitto 5:7e5c566b1760 409 The function sets 4k/64k page parity check
Pokitto 5:7e5c566b1760 410
Pokitto 5:7e5c566b1760 411 \param [out] descriptor_l1 L1 descriptor.
Pokitto 5:7e5c566b1760 412 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
Pokitto 5:7e5c566b1760 413
Pokitto 5:7e5c566b1760 414 \return 0
Pokitto 5:7e5c566b1760 415 */
Pokitto 5:7e5c566b1760 416 __STATIC_INLINE int __p_page(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
Pokitto 5:7e5c566b1760 417 {
Pokitto 5:7e5c566b1760 418 *descriptor_l1 &= SECTION_P_MASK;
Pokitto 5:7e5c566b1760 419 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
Pokitto 5:7e5c566b1760 420 return 0;
Pokitto 5:7e5c566b1760 421 }
Pokitto 5:7e5c566b1760 422
Pokitto 5:7e5c566b1760 423 /** \brief Set 4k/64k page access privileges
Pokitto 5:7e5c566b1760 424
Pokitto 5:7e5c566b1760 425 The function sets 4k/64k page access privileges
Pokitto 5:7e5c566b1760 426
Pokitto 5:7e5c566b1760 427 \param [out] descriptor_l2 L2 descriptor.
Pokitto 5:7e5c566b1760 428 \param [in] user User Level Access: NO_ACCESS, RW, READ
Pokitto 5:7e5c566b1760 429 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
Pokitto 5:7e5c566b1760 430 \param [in] afe Access flag enable
Pokitto 5:7e5c566b1760 431
Pokitto 5:7e5c566b1760 432 \return 0
Pokitto 5:7e5c566b1760 433 */
Pokitto 5:7e5c566b1760 434 __STATIC_INLINE int __ap_page(uint32_t *descriptor_l2, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
Pokitto 5:7e5c566b1760 435 {
Pokitto 5:7e5c566b1760 436 uint32_t ap = 0;
Pokitto 5:7e5c566b1760 437
Pokitto 5:7e5c566b1760 438 if (afe == 0) { //full access
Pokitto 5:7e5c566b1760 439 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
Pokitto 5:7e5c566b1760 440 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Pokitto 5:7e5c566b1760 441 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
Pokitto 5:7e5c566b1760 442 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Pokitto 5:7e5c566b1760 443 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Pokitto 5:7e5c566b1760 444 else if ((priv == READ) && (user == READ)) { ap = 0x6; }
Pokitto 5:7e5c566b1760 445 }
Pokitto 5:7e5c566b1760 446
Pokitto 5:7e5c566b1760 447 else { //Simplified access
Pokitto 5:7e5c566b1760 448 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Pokitto 5:7e5c566b1760 449 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Pokitto 5:7e5c566b1760 450 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Pokitto 5:7e5c566b1760 451 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
Pokitto 5:7e5c566b1760 452 }
Pokitto 5:7e5c566b1760 453
Pokitto 5:7e5c566b1760 454 *descriptor_l2 &= PAGE_AP_MASK;
Pokitto 5:7e5c566b1760 455 *descriptor_l2 |= (ap & 0x3) << PAGE_AP_SHIFT;
Pokitto 5:7e5c566b1760 456 *descriptor_l2 |= ((ap & 0x4)>>2) << PAGE_AP2_SHIFT;
Pokitto 5:7e5c566b1760 457
Pokitto 5:7e5c566b1760 458 return 0;
Pokitto 5:7e5c566b1760 459 }
Pokitto 5:7e5c566b1760 460
Pokitto 5:7e5c566b1760 461 /** \brief Set 4k/64k page shareability
Pokitto 5:7e5c566b1760 462
Pokitto 5:7e5c566b1760 463 The function sets 4k/64k page shareability
Pokitto 5:7e5c566b1760 464
Pokitto 5:7e5c566b1760 465 \param [out] descriptor_l2 L2 descriptor.
Pokitto 5:7e5c566b1760 466 \param [in] s_bit 4k/64k page shareability: NON_SHARED, SHARED
Pokitto 5:7e5c566b1760 467
Pokitto 5:7e5c566b1760 468 \return 0
Pokitto 5:7e5c566b1760 469 */
Pokitto 5:7e5c566b1760 470 __STATIC_INLINE int __shared_page(uint32_t *descriptor_l2, mmu_shared_Type s_bit)
Pokitto 5:7e5c566b1760 471 {
Pokitto 5:7e5c566b1760 472 *descriptor_l2 &= PAGE_S_MASK;
Pokitto 5:7e5c566b1760 473 *descriptor_l2 |= ((s_bit & 0x1) << PAGE_S_SHIFT);
Pokitto 5:7e5c566b1760 474 return 0;
Pokitto 5:7e5c566b1760 475 }
Pokitto 5:7e5c566b1760 476
Pokitto 5:7e5c566b1760 477 /** \brief Set 4k/64k page Global attribute
Pokitto 5:7e5c566b1760 478
Pokitto 5:7e5c566b1760 479 The function sets 4k/64k page Global attribute
Pokitto 5:7e5c566b1760 480
Pokitto 5:7e5c566b1760 481 \param [out] descriptor_l2 L2 descriptor.
Pokitto 5:7e5c566b1760 482 \param [in] g_bit 4k/64k page attribute: GLOBAL, NON_GLOBAL
Pokitto 5:7e5c566b1760 483
Pokitto 5:7e5c566b1760 484 \return 0
Pokitto 5:7e5c566b1760 485 */
Pokitto 5:7e5c566b1760 486 __STATIC_INLINE int __global_page(uint32_t *descriptor_l2, mmu_global_Type g_bit)
Pokitto 5:7e5c566b1760 487 {
Pokitto 5:7e5c566b1760 488 *descriptor_l2 &= PAGE_NG_MASK;
Pokitto 5:7e5c566b1760 489 *descriptor_l2 |= ((g_bit & 0x1) << PAGE_NG_SHIFT);
Pokitto 5:7e5c566b1760 490 return 0;
Pokitto 5:7e5c566b1760 491 }
Pokitto 5:7e5c566b1760 492
Pokitto 5:7e5c566b1760 493 /** \brief Set 4k/64k page Security attribute
Pokitto 5:7e5c566b1760 494
Pokitto 5:7e5c566b1760 495 The function sets 4k/64k page Global attribute
Pokitto 5:7e5c566b1760 496
Pokitto 5:7e5c566b1760 497 \param [out] descriptor_l1 L1 descriptor.
Pokitto 5:7e5c566b1760 498 \param [in] s_bit 4k/64k page Security attribute: SECURE, NON_SECURE
Pokitto 5:7e5c566b1760 499
Pokitto 5:7e5c566b1760 500 \return 0
Pokitto 5:7e5c566b1760 501 */
Pokitto 5:7e5c566b1760 502 __STATIC_INLINE int __secure_page(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
Pokitto 5:7e5c566b1760 503 {
Pokitto 5:7e5c566b1760 504 *descriptor_l1 &= PAGE_NS_MASK;
Pokitto 5:7e5c566b1760 505 *descriptor_l1 |= ((s_bit & 0x1) << PAGE_NS_SHIFT);
Pokitto 5:7e5c566b1760 506 return 0;
Pokitto 5:7e5c566b1760 507 }
Pokitto 5:7e5c566b1760 508
Pokitto 5:7e5c566b1760 509
Pokitto 5:7e5c566b1760 510 /** \brief Set Section memory attributes
Pokitto 5:7e5c566b1760 511
Pokitto 5:7e5c566b1760 512 The function sets section memory attributes
Pokitto 5:7e5c566b1760 513
Pokitto 5:7e5c566b1760 514 \param [out] descriptor_l1 L1 descriptor.
Pokitto 5:7e5c566b1760 515 \param [in] mem Section memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
Pokitto 5:7e5c566b1760 516 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Pokitto 5:7e5c566b1760 517 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Pokitto 5:7e5c566b1760 518
Pokitto 5:7e5c566b1760 519 \return 0
Pokitto 5:7e5c566b1760 520 */
Pokitto 5:7e5c566b1760 521 __STATIC_INLINE int __memory_section(uint32_t *descriptor_l1, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner)
Pokitto 5:7e5c566b1760 522 {
Pokitto 5:7e5c566b1760 523 *descriptor_l1 &= SECTION_TEXCB_MASK;
Pokitto 5:7e5c566b1760 524
Pokitto 5:7e5c566b1760 525 if (STRONGLY_ORDERED == mem)
Pokitto 5:7e5c566b1760 526 {
Pokitto 5:7e5c566b1760 527 return 0;
Pokitto 5:7e5c566b1760 528 }
Pokitto 5:7e5c566b1760 529 else if (SHARED_DEVICE == mem)
Pokitto 5:7e5c566b1760 530 {
Pokitto 5:7e5c566b1760 531 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
Pokitto 5:7e5c566b1760 532 }
Pokitto 5:7e5c566b1760 533 else if (NON_SHARED_DEVICE == mem)
Pokitto 5:7e5c566b1760 534 {
Pokitto 5:7e5c566b1760 535 *descriptor_l1 |= (1 << SECTION_TEX1_SHIFT);
Pokitto 5:7e5c566b1760 536 }
Pokitto 5:7e5c566b1760 537 else if (NORMAL == mem)
Pokitto 5:7e5c566b1760 538 {
Pokitto 5:7e5c566b1760 539 *descriptor_l1 |= 1 << SECTION_TEX2_SHIFT;
Pokitto 5:7e5c566b1760 540 switch(inner)
Pokitto 5:7e5c566b1760 541 {
Pokitto 5:7e5c566b1760 542 case NON_CACHEABLE:
Pokitto 5:7e5c566b1760 543 break;
Pokitto 5:7e5c566b1760 544 case WB_WA:
Pokitto 5:7e5c566b1760 545 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
Pokitto 5:7e5c566b1760 546 break;
Pokitto 5:7e5c566b1760 547 case WT:
Pokitto 5:7e5c566b1760 548 *descriptor_l1 |= 1 << SECTION_C_SHIFT;
Pokitto 5:7e5c566b1760 549 break;
Pokitto 5:7e5c566b1760 550 case WB_NO_WA:
Pokitto 5:7e5c566b1760 551 *descriptor_l1 |= (1 << SECTION_B_SHIFT) | (1 << SECTION_C_SHIFT);
Pokitto 5:7e5c566b1760 552 break;
Pokitto 5:7e5c566b1760 553 }
Pokitto 5:7e5c566b1760 554 switch(outer)
Pokitto 5:7e5c566b1760 555 {
Pokitto 5:7e5c566b1760 556 case NON_CACHEABLE:
Pokitto 5:7e5c566b1760 557 break;
Pokitto 5:7e5c566b1760 558 case WB_WA:
Pokitto 5:7e5c566b1760 559 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT);
Pokitto 5:7e5c566b1760 560 break;
Pokitto 5:7e5c566b1760 561 case WT:
Pokitto 5:7e5c566b1760 562 *descriptor_l1 |= 1 << SECTION_TEX1_SHIFT;
Pokitto 5:7e5c566b1760 563 break;
Pokitto 5:7e5c566b1760 564 case WB_NO_WA:
Pokitto 5:7e5c566b1760 565 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT) | (1 << SECTION_TEX0_SHIFT);
Pokitto 5:7e5c566b1760 566 break;
Pokitto 5:7e5c566b1760 567 }
Pokitto 5:7e5c566b1760 568 }
Pokitto 5:7e5c566b1760 569
Pokitto 5:7e5c566b1760 570 return 0;
Pokitto 5:7e5c566b1760 571 }
Pokitto 5:7e5c566b1760 572
Pokitto 5:7e5c566b1760 573 /** \brief Set 4k/64k page memory attributes
Pokitto 5:7e5c566b1760 574
Pokitto 5:7e5c566b1760 575 The function sets 4k/64k page memory attributes
Pokitto 5:7e5c566b1760 576
Pokitto 5:7e5c566b1760 577 \param [out] descriptor_l2 L2 descriptor.
Pokitto 5:7e5c566b1760 578 \param [in] mem 4k/64k page memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
Pokitto 5:7e5c566b1760 579 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Pokitto 5:7e5c566b1760 580 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Pokitto 5:7e5c566b1760 581
Pokitto 5:7e5c566b1760 582 \return 0
Pokitto 5:7e5c566b1760 583 */
Pokitto 5:7e5c566b1760 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)
Pokitto 5:7e5c566b1760 585 {
Pokitto 5:7e5c566b1760 586 *descriptor_l2 &= PAGE_4K_TEXCB_MASK;
Pokitto 5:7e5c566b1760 587
Pokitto 5:7e5c566b1760 588 if (page == PAGE_64k)
Pokitto 5:7e5c566b1760 589 {
Pokitto 5:7e5c566b1760 590 //same as section
Pokitto 5:7e5c566b1760 591 __memory_section(descriptor_l2, mem, outer, inner);
Pokitto 5:7e5c566b1760 592 }
Pokitto 5:7e5c566b1760 593 else
Pokitto 5:7e5c566b1760 594 {
Pokitto 5:7e5c566b1760 595 if (STRONGLY_ORDERED == mem)
Pokitto 5:7e5c566b1760 596 {
Pokitto 5:7e5c566b1760 597 return 0;
Pokitto 5:7e5c566b1760 598 }
Pokitto 5:7e5c566b1760 599 else if (SHARED_DEVICE == mem)
Pokitto 5:7e5c566b1760 600 {
Pokitto 5:7e5c566b1760 601 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
Pokitto 5:7e5c566b1760 602 }
Pokitto 5:7e5c566b1760 603 else if (NON_SHARED_DEVICE == mem)
Pokitto 5:7e5c566b1760 604 {
Pokitto 5:7e5c566b1760 605 *descriptor_l2 |= (1 << PAGE_4K_TEX1_SHIFT);
Pokitto 5:7e5c566b1760 606 }
Pokitto 5:7e5c566b1760 607 else if (NORMAL == mem)
Pokitto 5:7e5c566b1760 608 {
Pokitto 5:7e5c566b1760 609 *descriptor_l2 |= 1 << PAGE_4K_TEX2_SHIFT;
Pokitto 5:7e5c566b1760 610 switch(inner)
Pokitto 5:7e5c566b1760 611 {
Pokitto 5:7e5c566b1760 612 case NON_CACHEABLE:
Pokitto 5:7e5c566b1760 613 break;
Pokitto 5:7e5c566b1760 614 case WB_WA:
Pokitto 5:7e5c566b1760 615 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
Pokitto 5:7e5c566b1760 616 break;
Pokitto 5:7e5c566b1760 617 case WT:
Pokitto 5:7e5c566b1760 618 *descriptor_l2 |= 1 << PAGE_4K_C_SHIFT;
Pokitto 5:7e5c566b1760 619 break;
Pokitto 5:7e5c566b1760 620 case WB_NO_WA:
Pokitto 5:7e5c566b1760 621 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT) | (1 << PAGE_4K_C_SHIFT);
Pokitto 5:7e5c566b1760 622 break;
Pokitto 5:7e5c566b1760 623 }
Pokitto 5:7e5c566b1760 624 switch(outer)
Pokitto 5:7e5c566b1760 625 {
Pokitto 5:7e5c566b1760 626 case NON_CACHEABLE:
Pokitto 5:7e5c566b1760 627 break;
Pokitto 5:7e5c566b1760 628 case WB_WA:
Pokitto 5:7e5c566b1760 629 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT);
Pokitto 5:7e5c566b1760 630 break;
Pokitto 5:7e5c566b1760 631 case WT:
Pokitto 5:7e5c566b1760 632 *descriptor_l2 |= 1 << PAGE_4K_TEX1_SHIFT;
Pokitto 5:7e5c566b1760 633 break;
Pokitto 5:7e5c566b1760 634 case WB_NO_WA:
Pokitto 5:7e5c566b1760 635 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT) | (1 << PAGE_4K_TEX0_SHIFT);
Pokitto 5:7e5c566b1760 636 break;
Pokitto 5:7e5c566b1760 637 }
Pokitto 5:7e5c566b1760 638 }
Pokitto 5:7e5c566b1760 639 }
Pokitto 5:7e5c566b1760 640
Pokitto 5:7e5c566b1760 641 return 0;
Pokitto 5:7e5c566b1760 642 }
Pokitto 5:7e5c566b1760 643
Pokitto 5:7e5c566b1760 644 /** \brief Create a L1 section descriptor
Pokitto 5:7e5c566b1760 645
Pokitto 5:7e5c566b1760 646 The function creates a section descriptor.
Pokitto 5:7e5c566b1760 647
Pokitto 5:7e5c566b1760 648 Assumptions:
Pokitto 5:7e5c566b1760 649 - 16MB super sections not supported
Pokitto 5:7e5c566b1760 650 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
Pokitto 5:7e5c566b1760 651 - Functions always return 0
Pokitto 5:7e5c566b1760 652
Pokitto 5:7e5c566b1760 653 \param [out] descriptor L1 descriptor
Pokitto 5:7e5c566b1760 654 \param [out] descriptor2 L2 descriptor
Pokitto 5:7e5c566b1760 655 \param [in] reg Section attributes
Pokitto 5:7e5c566b1760 656
Pokitto 5:7e5c566b1760 657 \return 0
Pokitto 5:7e5c566b1760 658 */
Pokitto 5:7e5c566b1760 659 __STATIC_INLINE int __get_section_descriptor(uint32_t *descriptor, mmu_region_attributes_Type reg)
Pokitto 5:7e5c566b1760 660 {
Pokitto 5:7e5c566b1760 661 *descriptor = 0;
Pokitto 5:7e5c566b1760 662
Pokitto 5:7e5c566b1760 663 __memory_section(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t);
Pokitto 5:7e5c566b1760 664 __xn_section(descriptor,reg.xn_t);
Pokitto 5:7e5c566b1760 665 __domain_section(descriptor, reg.domain);
Pokitto 5:7e5c566b1760 666 __p_section(descriptor, reg.e_t);
Pokitto 5:7e5c566b1760 667 __ap_section(descriptor, reg.priv_t, reg.user_t, 1);
Pokitto 5:7e5c566b1760 668 __shared_section(descriptor,reg.sh_t);
Pokitto 5:7e5c566b1760 669 __global_section(descriptor,reg.g_t);
Pokitto 5:7e5c566b1760 670 __secure_section(descriptor,reg.sec_t);
Pokitto 5:7e5c566b1760 671 *descriptor &= SECTION_MASK;
Pokitto 5:7e5c566b1760 672 *descriptor |= SECTION_DESCRIPTOR;
Pokitto 5:7e5c566b1760 673
Pokitto 5:7e5c566b1760 674 return 0;
Pokitto 5:7e5c566b1760 675
Pokitto 5:7e5c566b1760 676 }
Pokitto 5:7e5c566b1760 677
Pokitto 5:7e5c566b1760 678
Pokitto 5:7e5c566b1760 679 /** \brief Create a L1 and L2 4k/64k page descriptor
Pokitto 5:7e5c566b1760 680
Pokitto 5:7e5c566b1760 681 The function creates a 4k/64k page descriptor.
Pokitto 5:7e5c566b1760 682 Assumptions:
Pokitto 5:7e5c566b1760 683 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
Pokitto 5:7e5c566b1760 684 - Functions always return 0
Pokitto 5:7e5c566b1760 685
Pokitto 5:7e5c566b1760 686 \param [out] descriptor L1 descriptor
Pokitto 5:7e5c566b1760 687 \param [out] descriptor2 L2 descriptor
Pokitto 5:7e5c566b1760 688 \param [in] reg 4k/64k page attributes
Pokitto 5:7e5c566b1760 689
Pokitto 5:7e5c566b1760 690 \return 0
Pokitto 5:7e5c566b1760 691 */
Pokitto 5:7e5c566b1760 692 __STATIC_INLINE int __get_page_descriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg)
Pokitto 5:7e5c566b1760 693 {
Pokitto 5:7e5c566b1760 694 *descriptor = 0;
Pokitto 5:7e5c566b1760 695 *descriptor2 = 0;
Pokitto 5:7e5c566b1760 696
Pokitto 5:7e5c566b1760 697 switch (reg.rg_t)
Pokitto 5:7e5c566b1760 698 {
Pokitto 5:7e5c566b1760 699 case PAGE_4k:
Pokitto 5:7e5c566b1760 700 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k);
Pokitto 5:7e5c566b1760 701 __xn_page(descriptor2, reg.xn_t, PAGE_4k);
Pokitto 5:7e5c566b1760 702 __domain_page(descriptor, reg.domain);
Pokitto 5:7e5c566b1760 703 __p_page(descriptor, reg.e_t);
Pokitto 5:7e5c566b1760 704 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
Pokitto 5:7e5c566b1760 705 __shared_page(descriptor2,reg.sh_t);
Pokitto 5:7e5c566b1760 706 __global_page(descriptor2,reg.g_t);
Pokitto 5:7e5c566b1760 707 __secure_page(descriptor,reg.sec_t);
Pokitto 5:7e5c566b1760 708 *descriptor &= PAGE_L1_MASK;
Pokitto 5:7e5c566b1760 709 *descriptor |= PAGE_L1_DESCRIPTOR;
Pokitto 5:7e5c566b1760 710 *descriptor2 &= PAGE_L2_4K_MASK;
Pokitto 5:7e5c566b1760 711 *descriptor2 |= PAGE_L2_4K_DESC;
Pokitto 5:7e5c566b1760 712 break;
Pokitto 5:7e5c566b1760 713
Pokitto 5:7e5c566b1760 714 case PAGE_64k:
Pokitto 5:7e5c566b1760 715 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k);
Pokitto 5:7e5c566b1760 716 __xn_page(descriptor2, reg.xn_t, PAGE_64k);
Pokitto 5:7e5c566b1760 717 __domain_page(descriptor, reg.domain);
Pokitto 5:7e5c566b1760 718 __p_page(descriptor, reg.e_t);
Pokitto 5:7e5c566b1760 719 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
Pokitto 5:7e5c566b1760 720 __shared_page(descriptor2,reg.sh_t);
Pokitto 5:7e5c566b1760 721 __global_page(descriptor2,reg.g_t);
Pokitto 5:7e5c566b1760 722 __secure_page(descriptor,reg.sec_t);
Pokitto 5:7e5c566b1760 723 *descriptor &= PAGE_L1_MASK;
Pokitto 5:7e5c566b1760 724 *descriptor |= PAGE_L1_DESCRIPTOR;
Pokitto 5:7e5c566b1760 725 *descriptor2 &= PAGE_L2_64K_MASK;
Pokitto 5:7e5c566b1760 726 *descriptor2 |= PAGE_L2_64K_DESC;
Pokitto 5:7e5c566b1760 727 break;
Pokitto 5:7e5c566b1760 728
Pokitto 5:7e5c566b1760 729 case SECTION:
Pokitto 5:7e5c566b1760 730 //error
Pokitto 5:7e5c566b1760 731 break;
Pokitto 5:7e5c566b1760 732
Pokitto 5:7e5c566b1760 733 }
Pokitto 5:7e5c566b1760 734
Pokitto 5:7e5c566b1760 735 return 0;
Pokitto 5:7e5c566b1760 736
Pokitto 5:7e5c566b1760 737 }
Pokitto 5:7e5c566b1760 738
Pokitto 5:7e5c566b1760 739 /** \brief Create a 1MB Section
Pokitto 5:7e5c566b1760 740
Pokitto 5:7e5c566b1760 741 \param [in] ttb Translation table base address
Pokitto 5:7e5c566b1760 742 \param [in] base_address Section base address
Pokitto 5:7e5c566b1760 743 \param [in] count Number of sections to create
Pokitto 5:7e5c566b1760 744 \param [in] descriptor_l1 L1 descriptor (region attributes)
Pokitto 5:7e5c566b1760 745
Pokitto 5:7e5c566b1760 746 */
Pokitto 5:7e5c566b1760 747 __STATIC_INLINE void __TTSection(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1)
Pokitto 5:7e5c566b1760 748 {
Pokitto 5:7e5c566b1760 749 uint32_t offset;
Pokitto 5:7e5c566b1760 750 uint32_t entry;
Pokitto 5:7e5c566b1760 751 uint32_t i;
Pokitto 5:7e5c566b1760 752
Pokitto 5:7e5c566b1760 753 offset = base_address >> 20;
Pokitto 5:7e5c566b1760 754 entry = (base_address & 0xFFF00000) | descriptor_l1;
Pokitto 5:7e5c566b1760 755
Pokitto 5:7e5c566b1760 756 //4 bytes aligned
Pokitto 5:7e5c566b1760 757 ttb = ttb + offset;
Pokitto 5:7e5c566b1760 758
Pokitto 5:7e5c566b1760 759 for (i = 0; i < count; i++ )
Pokitto 5:7e5c566b1760 760 {
Pokitto 5:7e5c566b1760 761 //4 bytes aligned
Pokitto 5:7e5c566b1760 762 *ttb++ = entry;
Pokitto 5:7e5c566b1760 763 entry += OFFSET_1M;
Pokitto 5:7e5c566b1760 764 }
Pokitto 5:7e5c566b1760 765 }
Pokitto 5:7e5c566b1760 766
Pokitto 5:7e5c566b1760 767 /** \brief Create a 4k page entry
Pokitto 5:7e5c566b1760 768
Pokitto 5:7e5c566b1760 769 \param [in] ttb L1 table base address
Pokitto 5:7e5c566b1760 770 \param [in] base_address 4k base address
Pokitto 5:7e5c566b1760 771 \param [in] count Number of 4k pages to create
Pokitto 5:7e5c566b1760 772 \param [in] descriptor_l1 L1 descriptor (region attributes)
Pokitto 5:7e5c566b1760 773 \param [in] ttb_l2 L2 table base address
Pokitto 5:7e5c566b1760 774 \param [in] descriptor_l2 L2 descriptor (region attributes)
Pokitto 5:7e5c566b1760 775
Pokitto 5:7e5c566b1760 776 */
Pokitto 5:7e5c566b1760 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 )
Pokitto 5:7e5c566b1760 778 {
Pokitto 5:7e5c566b1760 779
Pokitto 5:7e5c566b1760 780 uint32_t offset, offset2;
Pokitto 5:7e5c566b1760 781 uint32_t entry, entry2;
Pokitto 5:7e5c566b1760 782 uint32_t i;
Pokitto 5:7e5c566b1760 783
Pokitto 5:7e5c566b1760 784
Pokitto 5:7e5c566b1760 785 offset = base_address >> 20;
Pokitto 5:7e5c566b1760 786 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
Pokitto 5:7e5c566b1760 787
Pokitto 5:7e5c566b1760 788 //4 bytes aligned
Pokitto 5:7e5c566b1760 789 ttb += offset;
Pokitto 5:7e5c566b1760 790 //create l1_entry
Pokitto 5:7e5c566b1760 791 *ttb = entry;
Pokitto 5:7e5c566b1760 792
Pokitto 5:7e5c566b1760 793 offset2 = (base_address & 0xff000) >> 12;
Pokitto 5:7e5c566b1760 794 ttb_l2 += offset2;
Pokitto 5:7e5c566b1760 795 entry2 = (base_address & 0xFFFFF000) | descriptor_l2;
Pokitto 5:7e5c566b1760 796 for (i = 0; i < count; i++ )
Pokitto 5:7e5c566b1760 797 {
Pokitto 5:7e5c566b1760 798 //4 bytes aligned
Pokitto 5:7e5c566b1760 799 *ttb_l2++ = entry2;
Pokitto 5:7e5c566b1760 800 entry2 += OFFSET_4K;
Pokitto 5:7e5c566b1760 801 }
Pokitto 5:7e5c566b1760 802 }
Pokitto 5:7e5c566b1760 803
Pokitto 5:7e5c566b1760 804 /** \brief Create a 64k page entry
Pokitto 5:7e5c566b1760 805
Pokitto 5:7e5c566b1760 806 \param [in] ttb L1 table base address
Pokitto 5:7e5c566b1760 807 \param [in] base_address 64k base address
Pokitto 5:7e5c566b1760 808 \param [in] count Number of 64k pages to create
Pokitto 5:7e5c566b1760 809 \param [in] descriptor_l1 L1 descriptor (region attributes)
Pokitto 5:7e5c566b1760 810 \param [in] ttb_l2 L2 table base address
Pokitto 5:7e5c566b1760 811 \param [in] descriptor_l2 L2 descriptor (region attributes)
Pokitto 5:7e5c566b1760 812
Pokitto 5:7e5c566b1760 813 */
Pokitto 5:7e5c566b1760 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 )
Pokitto 5:7e5c566b1760 815 {
Pokitto 5:7e5c566b1760 816 uint32_t offset, offset2;
Pokitto 5:7e5c566b1760 817 uint32_t entry, entry2;
Pokitto 5:7e5c566b1760 818 uint32_t i,j;
Pokitto 5:7e5c566b1760 819
Pokitto 5:7e5c566b1760 820
Pokitto 5:7e5c566b1760 821 offset = base_address >> 20;
Pokitto 5:7e5c566b1760 822 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
Pokitto 5:7e5c566b1760 823
Pokitto 5:7e5c566b1760 824 //4 bytes aligned
Pokitto 5:7e5c566b1760 825 ttb += offset;
Pokitto 5:7e5c566b1760 826 //create l1_entry
Pokitto 5:7e5c566b1760 827 *ttb = entry;
Pokitto 5:7e5c566b1760 828
Pokitto 5:7e5c566b1760 829 offset2 = (base_address & 0xff000) >> 12;
Pokitto 5:7e5c566b1760 830 ttb_l2 += offset2;
Pokitto 5:7e5c566b1760 831 entry2 = (base_address & 0xFFFF0000) | descriptor_l2;
Pokitto 5:7e5c566b1760 832 for (i = 0; i < count; i++ )
Pokitto 5:7e5c566b1760 833 {
Pokitto 5:7e5c566b1760 834 //create 16 entries
Pokitto 5:7e5c566b1760 835 for (j = 0; j < 16; j++)
Pokitto 5:7e5c566b1760 836 //4 bytes aligned
Pokitto 5:7e5c566b1760 837 *ttb_l2++ = entry2;
Pokitto 5:7e5c566b1760 838 entry2 += OFFSET_64K;
Pokitto 5:7e5c566b1760 839 }
Pokitto 5:7e5c566b1760 840 }
Pokitto 5:7e5c566b1760 841
Pokitto 5:7e5c566b1760 842 /*@} end of MMU_Functions */
Pokitto 5:7e5c566b1760 843 #endif
Pokitto 5:7e5c566b1760 844
Pokitto 5:7e5c566b1760 845 #ifdef __cplusplus
Pokitto 5:7e5c566b1760 846 }
Pokitto 5:7e5c566b1760 847 #endif