Milen Pavlov / XRange_mbed_src

Mbed SDK for XRange SX1272 LoRa module

Dependents:   XRangePingPong XRange-LoRaWAN-lmic-app lora-transceiver

SX1272 LoRa RF module

https://www.netblocks.eu/xrange-sx1272-lora-datasheet/

targets/cmsis/core_ca_mmu.h@339:ac6f3fd999f3, 2016-01-07 (annotated)

Committer:
netblocks
Date:
Thu Jan 07 13:01:25 2016 +0000
Revision:
339:ac6f3fd999f3
Parent:
335:b4678b054027 
HSE_VALUE set for XTAL 16Mhz

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dudmuck 335:b4678b054027 1 ;/**************************************************************************//**
dudmuck 335:b4678b054027 2 ; * @file core_ca_mmu.h
dudmuck 335:b4678b054027 3 ; * @brief MMU Startup File for
dudmuck 335:b4678b054027 4 ; * VE_A9_MP Device Series
dudmuck 335:b4678b054027 5 ; * @version V1.01
dudmuck 335:b4678b054027 6 ; * @date 25 March 2013
dudmuck 335:b4678b054027 7 ; *
dudmuck 335:b4678b054027 8 ; * @note
dudmuck 335:b4678b054027 9 ; *
dudmuck 335:b4678b054027 10 ; ******************************************************************************/
dudmuck 335:b4678b054027 11 ;/* Copyright (c) 2012 ARM LIMITED
dudmuck 335:b4678b054027 12 ;
dudmuck 335:b4678b054027 13 ; All rights reserved.
dudmuck 335:b4678b054027 14 ; Redistribution and use in source and binary forms, with or without
dudmuck 335:b4678b054027 15 ; modification, are permitted provided that the following conditions are met:
dudmuck 335:b4678b054027 16 ; - Redistributions of source code must retain the above copyright
dudmuck 335:b4678b054027 17 ; notice, this list of conditions and the following disclaimer.
dudmuck 335:b4678b054027 18 ; - Redistributions in binary form must reproduce the above copyright
dudmuck 335:b4678b054027 19 ; notice, this list of conditions and the following disclaimer in the
dudmuck 335:b4678b054027 20 ; documentation and/or other materials provided with the distribution.
dudmuck 335:b4678b054027 21 ; - Neither the name of ARM nor the names of its contributors may be used
dudmuck 335:b4678b054027 22 ; to endorse or promote products derived from this software without
dudmuck 335:b4678b054027 23 ; specific prior written permission.
dudmuck 335:b4678b054027 24 ; *
dudmuck 335:b4678b054027 25 ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
dudmuck 335:b4678b054027 26 ; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
dudmuck 335:b4678b054027 27 ; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
dudmuck 335:b4678b054027 28 ; ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
dudmuck 335:b4678b054027 29 ; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
dudmuck 335:b4678b054027 30 ; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
dudmuck 335:b4678b054027 31 ; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
dudmuck 335:b4678b054027 32 ; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
dudmuck 335:b4678b054027 33 ; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
dudmuck 335:b4678b054027 34 ; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
dudmuck 335:b4678b054027 35 ; POSSIBILITY OF SUCH DAMAGE.
dudmuck 335:b4678b054027 36 ; ---------------------------------------------------------------------------*/
dudmuck 335:b4678b054027 37
dudmuck 335:b4678b054027 38 #ifdef __cplusplus
dudmuck 335:b4678b054027 39 extern "C" {
dudmuck 335:b4678b054027 40 #endif
dudmuck 335:b4678b054027 41
dudmuck 335:b4678b054027 42 #ifndef _MMU_FUNC_H
dudmuck 335:b4678b054027 43 #define _MMU_FUNC_H
dudmuck 335:b4678b054027 44
dudmuck 335:b4678b054027 45 #define SECTION_DESCRIPTOR (0x2)
dudmuck 335:b4678b054027 46 #define SECTION_MASK (0xFFFFFFFC)
dudmuck 335:b4678b054027 47
dudmuck 335:b4678b054027 48 #define SECTION_TEXCB_MASK (0xFFFF8FF3)
dudmuck 335:b4678b054027 49 #define SECTION_B_SHIFT (2)
dudmuck 335:b4678b054027 50 #define SECTION_C_SHIFT (3)
dudmuck 335:b4678b054027 51 #define SECTION_TEX0_SHIFT (12)
dudmuck 335:b4678b054027 52 #define SECTION_TEX1_SHIFT (13)
dudmuck 335:b4678b054027 53 #define SECTION_TEX2_SHIFT (14)
dudmuck 335:b4678b054027 54
dudmuck 335:b4678b054027 55 #define SECTION_XN_MASK (0xFFFFFFEF)
dudmuck 335:b4678b054027 56 #define SECTION_XN_SHIFT (4)
dudmuck 335:b4678b054027 57
dudmuck 335:b4678b054027 58 #define SECTION_DOMAIN_MASK (0xFFFFFE1F)
dudmuck 335:b4678b054027 59 #define SECTION_DOMAIN_SHIFT (5)
dudmuck 335:b4678b054027 60
dudmuck 335:b4678b054027 61 #define SECTION_P_MASK (0xFFFFFDFF)
dudmuck 335:b4678b054027 62 #define SECTION_P_SHIFT (9)
dudmuck 335:b4678b054027 63
dudmuck 335:b4678b054027 64 #define SECTION_AP_MASK (0xFFFF73FF)
dudmuck 335:b4678b054027 65 #define SECTION_AP_SHIFT (10)
dudmuck 335:b4678b054027 66 #define SECTION_AP2_SHIFT (15)
dudmuck 335:b4678b054027 67
dudmuck 335:b4678b054027 68 #define SECTION_S_MASK (0xFFFEFFFF)
dudmuck 335:b4678b054027 69 #define SECTION_S_SHIFT (16)
dudmuck 335:b4678b054027 70
dudmuck 335:b4678b054027 71 #define SECTION_NG_MASK (0xFFFDFFFF)
dudmuck 335:b4678b054027 72 #define SECTION_NG_SHIFT (17)
dudmuck 335:b4678b054027 73
dudmuck 335:b4678b054027 74 #define SECTION_NS_MASK (0xFFF7FFFF)
dudmuck 335:b4678b054027 75 #define SECTION_NS_SHIFT (19)
dudmuck 335:b4678b054027 76
dudmuck 335:b4678b054027 77
dudmuck 335:b4678b054027 78 #define PAGE_L1_DESCRIPTOR (0x1)
dudmuck 335:b4678b054027 79 #define PAGE_L1_MASK (0xFFFFFFFC)
dudmuck 335:b4678b054027 80
dudmuck 335:b4678b054027 81 #define PAGE_L2_4K_DESC (0x2)
dudmuck 335:b4678b054027 82 #define PAGE_L2_4K_MASK (0xFFFFFFFD)
dudmuck 335:b4678b054027 83
dudmuck 335:b4678b054027 84 #define PAGE_L2_64K_DESC (0x1)
dudmuck 335:b4678b054027 85 #define PAGE_L2_64K_MASK (0xFFFFFFFC)
dudmuck 335:b4678b054027 86
dudmuck 335:b4678b054027 87 #define PAGE_4K_TEXCB_MASK (0xFFFFFE33)
dudmuck 335:b4678b054027 88 #define PAGE_4K_B_SHIFT (2)
dudmuck 335:b4678b054027 89 #define PAGE_4K_C_SHIFT (3)
dudmuck 335:b4678b054027 90 #define PAGE_4K_TEX0_SHIFT (6)
dudmuck 335:b4678b054027 91 #define PAGE_4K_TEX1_SHIFT (7)
dudmuck 335:b4678b054027 92 #define PAGE_4K_TEX2_SHIFT (8)
dudmuck 335:b4678b054027 93
dudmuck 335:b4678b054027 94 #define PAGE_64K_TEXCB_MASK (0xFFFF8FF3)
dudmuck 335:b4678b054027 95 #define PAGE_64K_B_SHIFT (2)
dudmuck 335:b4678b054027 96 #define PAGE_64K_C_SHIFT (3)
dudmuck 335:b4678b054027 97 #define PAGE_64K_TEX0_SHIFT (12)
dudmuck 335:b4678b054027 98 #define PAGE_64K_TEX1_SHIFT (13)
dudmuck 335:b4678b054027 99 #define PAGE_64K_TEX2_SHIFT (14)
dudmuck 335:b4678b054027 100
dudmuck 335:b4678b054027 101 #define PAGE_TEXCB_MASK (0xFFFF8FF3)
dudmuck 335:b4678b054027 102 #define PAGE_B_SHIFT (2)
dudmuck 335:b4678b054027 103 #define PAGE_C_SHIFT (3)
dudmuck 335:b4678b054027 104 #define PAGE_TEX_SHIFT (12)
dudmuck 335:b4678b054027 105
dudmuck 335:b4678b054027 106 #define PAGE_XN_4K_MASK (0xFFFFFFFE)
dudmuck 335:b4678b054027 107 #define PAGE_XN_4K_SHIFT (0)
dudmuck 335:b4678b054027 108 #define PAGE_XN_64K_MASK (0xFFFF7FFF)
dudmuck 335:b4678b054027 109 #define PAGE_XN_64K_SHIFT (15)
dudmuck 335:b4678b054027 110
dudmuck 335:b4678b054027 111
dudmuck 335:b4678b054027 112 #define PAGE_DOMAIN_MASK (0xFFFFFE1F)
dudmuck 335:b4678b054027 113 #define PAGE_DOMAIN_SHIFT (5)
dudmuck 335:b4678b054027 114
dudmuck 335:b4678b054027 115 #define PAGE_P_MASK (0xFFFFFDFF)
dudmuck 335:b4678b054027 116 #define PAGE_P_SHIFT (9)
dudmuck 335:b4678b054027 117
dudmuck 335:b4678b054027 118 #define PAGE_AP_MASK (0xFFFFFDCF)
dudmuck 335:b4678b054027 119 #define PAGE_AP_SHIFT (4)
dudmuck 335:b4678b054027 120 #define PAGE_AP2_SHIFT (9)
dudmuck 335:b4678b054027 121
dudmuck 335:b4678b054027 122 #define PAGE_S_MASK (0xFFFFFBFF)
dudmuck 335:b4678b054027 123 #define PAGE_S_SHIFT (10)
dudmuck 335:b4678b054027 124
dudmuck 335:b4678b054027 125 #define PAGE_NG_MASK (0xFFFFF7FF)
dudmuck 335:b4678b054027 126 #define PAGE_NG_SHIFT (11)
dudmuck 335:b4678b054027 127
dudmuck 335:b4678b054027 128 #define PAGE_NS_MASK (0xFFFFFFF7)
dudmuck 335:b4678b054027 129 #define PAGE_NS_SHIFT (3)
dudmuck 335:b4678b054027 130
dudmuck 335:b4678b054027 131 #define OFFSET_1M (0x00100000)
dudmuck 335:b4678b054027 132 #define OFFSET_64K (0x00010000)
dudmuck 335:b4678b054027 133 #define OFFSET_4K (0x00001000)
dudmuck 335:b4678b054027 134
dudmuck 335:b4678b054027 135 #define DESCRIPTOR_FAULT (0x00000000)
dudmuck 335:b4678b054027 136
dudmuck 335:b4678b054027 137 /* ########################### MMU Function Access ########################### */
dudmuck 335:b4678b054027 138 /** \ingroup MMU_FunctionInterface
dudmuck 335:b4678b054027 139 \defgroup MMU_Functions MMU Functions Interface
dudmuck 335:b4678b054027 140 @{
dudmuck 335:b4678b054027 141 */
dudmuck 335:b4678b054027 142
dudmuck 335:b4678b054027 143 /* Attributes enumerations */
dudmuck 335:b4678b054027 144
dudmuck 335:b4678b054027 145 /* Region size attributes */
dudmuck 335:b4678b054027 146 typedef enum
dudmuck 335:b4678b054027 147 {
dudmuck 335:b4678b054027 148 SECTION,
dudmuck 335:b4678b054027 149 PAGE_4k,
dudmuck 335:b4678b054027 150 PAGE_64k,
dudmuck 335:b4678b054027 151 } mmu_region_size_Type;
dudmuck 335:b4678b054027 152
dudmuck 335:b4678b054027 153 /* Region type attributes */
dudmuck 335:b4678b054027 154 typedef enum
dudmuck 335:b4678b054027 155 {
dudmuck 335:b4678b054027 156 NORMAL,
dudmuck 335:b4678b054027 157 DEVICE,
dudmuck 335:b4678b054027 158 SHARED_DEVICE,
dudmuck 335:b4678b054027 159 NON_SHARED_DEVICE,
dudmuck 335:b4678b054027 160 STRONGLY_ORDERED
dudmuck 335:b4678b054027 161 } mmu_memory_Type;
dudmuck 335:b4678b054027 162
dudmuck 335:b4678b054027 163 /* Region cacheability attributes */
dudmuck 335:b4678b054027 164 typedef enum
dudmuck 335:b4678b054027 165 {
dudmuck 335:b4678b054027 166 NON_CACHEABLE,
dudmuck 335:b4678b054027 167 WB_WA,
dudmuck 335:b4678b054027 168 WT,
dudmuck 335:b4678b054027 169 WB_NO_WA,
dudmuck 335:b4678b054027 170 } mmu_cacheability_Type;
dudmuck 335:b4678b054027 171
dudmuck 335:b4678b054027 172 /* Region parity check attributes */
dudmuck 335:b4678b054027 173 typedef enum
dudmuck 335:b4678b054027 174 {
dudmuck 335:b4678b054027 175 ECC_DISABLED,
dudmuck 335:b4678b054027 176 ECC_ENABLED,
dudmuck 335:b4678b054027 177 } mmu_ecc_check_Type;
dudmuck 335:b4678b054027 178
dudmuck 335:b4678b054027 179 /* Region execution attributes */
dudmuck 335:b4678b054027 180 typedef enum
dudmuck 335:b4678b054027 181 {
dudmuck 335:b4678b054027 182 EXECUTE,
dudmuck 335:b4678b054027 183 NON_EXECUTE,
dudmuck 335:b4678b054027 184 } mmu_execute_Type;
dudmuck 335:b4678b054027 185
dudmuck 335:b4678b054027 186 /* Region global attributes */
dudmuck 335:b4678b054027 187 typedef enum
dudmuck 335:b4678b054027 188 {
dudmuck 335:b4678b054027 189 GLOBAL,
dudmuck 335:b4678b054027 190 NON_GLOBAL,
dudmuck 335:b4678b054027 191 } mmu_global_Type;
dudmuck 335:b4678b054027 192
dudmuck 335:b4678b054027 193 /* Region shareability attributes */
dudmuck 335:b4678b054027 194 typedef enum
dudmuck 335:b4678b054027 195 {
dudmuck 335:b4678b054027 196 NON_SHARED,
dudmuck 335:b4678b054027 197 SHARED,
dudmuck 335:b4678b054027 198 } mmu_shared_Type;
dudmuck 335:b4678b054027 199
dudmuck 335:b4678b054027 200 /* Region security attributes */
dudmuck 335:b4678b054027 201 typedef enum
dudmuck 335:b4678b054027 202 {
dudmuck 335:b4678b054027 203 SECURE,
dudmuck 335:b4678b054027 204 NON_SECURE,
dudmuck 335:b4678b054027 205 } mmu_secure_Type;
dudmuck 335:b4678b054027 206
dudmuck 335:b4678b054027 207 /* Region access attributes */
dudmuck 335:b4678b054027 208 typedef enum
dudmuck 335:b4678b054027 209 {
dudmuck 335:b4678b054027 210 NO_ACCESS,
dudmuck 335:b4678b054027 211 RW,
dudmuck 335:b4678b054027 212 READ,
dudmuck 335:b4678b054027 213 } mmu_access_Type;
dudmuck 335:b4678b054027 214
dudmuck 335:b4678b054027 215 /* Memory Region definition */
dudmuck 335:b4678b054027 216 typedef struct RegionStruct {
dudmuck 335:b4678b054027 217 mmu_region_size_Type rg_t;
dudmuck 335:b4678b054027 218 mmu_memory_Type mem_t;
dudmuck 335:b4678b054027 219 uint8_t domain;
dudmuck 335:b4678b054027 220 mmu_cacheability_Type inner_norm_t;
dudmuck 335:b4678b054027 221 mmu_cacheability_Type outer_norm_t;
dudmuck 335:b4678b054027 222 mmu_ecc_check_Type e_t;
dudmuck 335:b4678b054027 223 mmu_execute_Type xn_t;
dudmuck 335:b4678b054027 224 mmu_global_Type g_t;
dudmuck 335:b4678b054027 225 mmu_secure_Type sec_t;
dudmuck 335:b4678b054027 226 mmu_access_Type priv_t;
dudmuck 335:b4678b054027 227 mmu_access_Type user_t;
dudmuck 335:b4678b054027 228 mmu_shared_Type sh_t;
dudmuck 335:b4678b054027 229
dudmuck 335:b4678b054027 230 } mmu_region_attributes_Type;
dudmuck 335:b4678b054027 231
dudmuck 335:b4678b054027 232 /** \brief Set section execution-never attribute
dudmuck 335:b4678b054027 233
dudmuck 335:b4678b054027 234 The function sets section execution-never attribute
dudmuck 335:b4678b054027 235
dudmuck 335:b4678b054027 236 \param [out] descriptor_l1 L1 descriptor.
dudmuck 335:b4678b054027 237 \param [in] xn Section execution-never attribute : EXECUTE , NON_EXECUTE.
dudmuck 335:b4678b054027 238
dudmuck 335:b4678b054027 239 \return 0
dudmuck 335:b4678b054027 240 */
dudmuck 335:b4678b054027 241 __STATIC_INLINE int __xn_section(uint32_t *descriptor_l1, mmu_execute_Type xn)
dudmuck 335:b4678b054027 242 {
dudmuck 335:b4678b054027 243 *descriptor_l1 &= SECTION_XN_MASK;
dudmuck 335:b4678b054027 244 *descriptor_l1 |= ((xn & 0x1) << SECTION_XN_SHIFT);
dudmuck 335:b4678b054027 245 return 0;
dudmuck 335:b4678b054027 246 }
dudmuck 335:b4678b054027 247
dudmuck 335:b4678b054027 248 /** \brief Set section domain
dudmuck 335:b4678b054027 249
dudmuck 335:b4678b054027 250 The function sets section domain
dudmuck 335:b4678b054027 251
dudmuck 335:b4678b054027 252 \param [out] descriptor_l1 L1 descriptor.
dudmuck 335:b4678b054027 253 \param [in] domain Section domain
dudmuck 335:b4678b054027 254
dudmuck 335:b4678b054027 255 \return 0
dudmuck 335:b4678b054027 256 */
dudmuck 335:b4678b054027 257 __STATIC_INLINE int __domain_section(uint32_t *descriptor_l1, uint8_t domain)
dudmuck 335:b4678b054027 258 {
dudmuck 335:b4678b054027 259 *descriptor_l1 &= SECTION_DOMAIN_MASK;
dudmuck 335:b4678b054027 260 *descriptor_l1 |= ((domain & 0xF) << SECTION_DOMAIN_SHIFT);
dudmuck 335:b4678b054027 261 return 0;
dudmuck 335:b4678b054027 262 }
dudmuck 335:b4678b054027 263
dudmuck 335:b4678b054027 264 /** \brief Set section parity check
dudmuck 335:b4678b054027 265
dudmuck 335:b4678b054027 266 The function sets section parity check
dudmuck 335:b4678b054027 267
dudmuck 335:b4678b054027 268 \param [out] descriptor_l1 L1 descriptor.
dudmuck 335:b4678b054027 269 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
dudmuck 335:b4678b054027 270
dudmuck 335:b4678b054027 271 \return 0
dudmuck 335:b4678b054027 272 */
dudmuck 335:b4678b054027 273 __STATIC_INLINE int __p_section(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
dudmuck 335:b4678b054027 274 {
dudmuck 335:b4678b054027 275 *descriptor_l1 &= SECTION_P_MASK;
dudmuck 335:b4678b054027 276 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
dudmuck 335:b4678b054027 277 return 0;
dudmuck 335:b4678b054027 278 }
dudmuck 335:b4678b054027 279
dudmuck 335:b4678b054027 280 /** \brief Set section access privileges
dudmuck 335:b4678b054027 281
dudmuck 335:b4678b054027 282 The function sets section access privileges
dudmuck 335:b4678b054027 283
dudmuck 335:b4678b054027 284 \param [out] descriptor_l1 L1 descriptor.
dudmuck 335:b4678b054027 285 \param [in] user User Level Access: NO_ACCESS, RW, READ
dudmuck 335:b4678b054027 286 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
dudmuck 335:b4678b054027 287 \param [in] afe Access flag enable
dudmuck 335:b4678b054027 288
dudmuck 335:b4678b054027 289 \return 0
dudmuck 335:b4678b054027 290 */
dudmuck 335:b4678b054027 291 __STATIC_INLINE int __ap_section(uint32_t *descriptor_l1, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
dudmuck 335:b4678b054027 292 {
dudmuck 335:b4678b054027 293 uint32_t ap = 0;
dudmuck 335:b4678b054027 294
dudmuck 335:b4678b054027 295 if (afe == 0) { //full access
dudmuck 335:b4678b054027 296 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
dudmuck 335:b4678b054027 297 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
dudmuck 335:b4678b054027 298 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
dudmuck 335:b4678b054027 299 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
dudmuck 335:b4678b054027 300 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
dudmuck 335:b4678b054027 301 else if ((priv == READ) && (user == READ)) { ap = 0x6; }
dudmuck 335:b4678b054027 302 }
dudmuck 335:b4678b054027 303
dudmuck 335:b4678b054027 304 else { //Simplified access
dudmuck 335:b4678b054027 305 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
dudmuck 335:b4678b054027 306 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
dudmuck 335:b4678b054027 307 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
dudmuck 335:b4678b054027 308 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
dudmuck 335:b4678b054027 309 }
dudmuck 335:b4678b054027 310
dudmuck 335:b4678b054027 311 *descriptor_l1 &= SECTION_AP_MASK;
dudmuck 335:b4678b054027 312 *descriptor_l1 |= (ap & 0x3) << SECTION_AP_SHIFT;
dudmuck 335:b4678b054027 313 *descriptor_l1 |= ((ap & 0x4)>>2) << SECTION_AP2_SHIFT;
dudmuck 335:b4678b054027 314
dudmuck 335:b4678b054027 315 return 0;
dudmuck 335:b4678b054027 316 }
dudmuck 335:b4678b054027 317
dudmuck 335:b4678b054027 318 /** \brief Set section shareability
dudmuck 335:b4678b054027 319
dudmuck 335:b4678b054027 320 The function sets section shareability
dudmuck 335:b4678b054027 321
dudmuck 335:b4678b054027 322 \param [out] descriptor_l1 L1 descriptor.
dudmuck 335:b4678b054027 323 \param [in] s_bit Section shareability: NON_SHARED, SHARED
dudmuck 335:b4678b054027 324
dudmuck 335:b4678b054027 325 \return 0
dudmuck 335:b4678b054027 326 */
dudmuck 335:b4678b054027 327 __STATIC_INLINE int __shared_section(uint32_t *descriptor_l1, mmu_shared_Type s_bit)
dudmuck 335:b4678b054027 328 {
dudmuck 335:b4678b054027 329 *descriptor_l1 &= SECTION_S_MASK;
dudmuck 335:b4678b054027 330 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_S_SHIFT);
dudmuck 335:b4678b054027 331 return 0;
dudmuck 335:b4678b054027 332 }
dudmuck 335:b4678b054027 333
dudmuck 335:b4678b054027 334 /** \brief Set section Global attribute
dudmuck 335:b4678b054027 335
dudmuck 335:b4678b054027 336 The function sets section Global attribute
dudmuck 335:b4678b054027 337
dudmuck 335:b4678b054027 338 \param [out] descriptor_l1 L1 descriptor.
dudmuck 335:b4678b054027 339 \param [in] g_bit Section attribute: GLOBAL, NON_GLOBAL
dudmuck 335:b4678b054027 340
dudmuck 335:b4678b054027 341 \return 0
dudmuck 335:b4678b054027 342 */
dudmuck 335:b4678b054027 343 __STATIC_INLINE int __global_section(uint32_t *descriptor_l1, mmu_global_Type g_bit)
dudmuck 335:b4678b054027 344 {
dudmuck 335:b4678b054027 345 *descriptor_l1 &= SECTION_NG_MASK;
dudmuck 335:b4678b054027 346 *descriptor_l1 |= ((g_bit & 0x1) << SECTION_NG_SHIFT);
dudmuck 335:b4678b054027 347 return 0;
dudmuck 335:b4678b054027 348 }
dudmuck 335:b4678b054027 349
dudmuck 335:b4678b054027 350 /** \brief Set section Security attribute
dudmuck 335:b4678b054027 351
dudmuck 335:b4678b054027 352 The function sets section Global attribute
dudmuck 335:b4678b054027 353
dudmuck 335:b4678b054027 354 \param [out] descriptor_l1 L1 descriptor.
dudmuck 335:b4678b054027 355 \param [in] s_bit Section Security attribute: SECURE, NON_SECURE
dudmuck 335:b4678b054027 356
dudmuck 335:b4678b054027 357 \return 0
dudmuck 335:b4678b054027 358 */
dudmuck 335:b4678b054027 359 __STATIC_INLINE int __secure_section(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
dudmuck 335:b4678b054027 360 {
dudmuck 335:b4678b054027 361 *descriptor_l1 &= SECTION_NS_MASK;
dudmuck 335:b4678b054027 362 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_NS_SHIFT);
dudmuck 335:b4678b054027 363 return 0;
dudmuck 335:b4678b054027 364 }
dudmuck 335:b4678b054027 365
dudmuck 335:b4678b054027 366 /* Page 4k or 64k */
dudmuck 335:b4678b054027 367 /** \brief Set 4k/64k page execution-never attribute
dudmuck 335:b4678b054027 368
dudmuck 335:b4678b054027 369 The function sets 4k/64k page execution-never attribute
dudmuck 335:b4678b054027 370
dudmuck 335:b4678b054027 371 \param [out] descriptor_l2 L2 descriptor.
dudmuck 335:b4678b054027 372 \param [in] xn Page execution-never attribute : EXECUTE , NON_EXECUTE.
dudmuck 335:b4678b054027 373 \param [in] page Page size: PAGE_4k, PAGE_64k,
dudmuck 335:b4678b054027 374
dudmuck 335:b4678b054027 375 \return 0
dudmuck 335:b4678b054027 376 */
dudmuck 335:b4678b054027 377 __STATIC_INLINE int __xn_page(uint32_t *descriptor_l2, mmu_execute_Type xn, mmu_region_size_Type page)
dudmuck 335:b4678b054027 378 {
dudmuck 335:b4678b054027 379 if (page == PAGE_4k)
dudmuck 335:b4678b054027 380 {
dudmuck 335:b4678b054027 381 *descriptor_l2 &= PAGE_XN_4K_MASK;
dudmuck 335:b4678b054027 382 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_4K_SHIFT);
dudmuck 335:b4678b054027 383 }
dudmuck 335:b4678b054027 384 else
dudmuck 335:b4678b054027 385 {
dudmuck 335:b4678b054027 386 *descriptor_l2 &= PAGE_XN_64K_MASK;
dudmuck 335:b4678b054027 387 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_64K_SHIFT);
dudmuck 335:b4678b054027 388 }
dudmuck 335:b4678b054027 389 return 0;
dudmuck 335:b4678b054027 390 }
dudmuck 335:b4678b054027 391
dudmuck 335:b4678b054027 392 /** \brief Set 4k/64k page domain
dudmuck 335:b4678b054027 393
dudmuck 335:b4678b054027 394 The function sets 4k/64k page domain
dudmuck 335:b4678b054027 395
dudmuck 335:b4678b054027 396 \param [out] descriptor_l1 L1 descriptor.
dudmuck 335:b4678b054027 397 \param [in] domain Page domain
dudmuck 335:b4678b054027 398
dudmuck 335:b4678b054027 399 \return 0
dudmuck 335:b4678b054027 400 */
dudmuck 335:b4678b054027 401 __STATIC_INLINE int __domain_page(uint32_t *descriptor_l1, uint8_t domain)
dudmuck 335:b4678b054027 402 {
dudmuck 335:b4678b054027 403 *descriptor_l1 &= PAGE_DOMAIN_MASK;
dudmuck 335:b4678b054027 404 *descriptor_l1 |= ((domain & 0xf) << PAGE_DOMAIN_SHIFT);
dudmuck 335:b4678b054027 405 return 0;
dudmuck 335:b4678b054027 406 }
dudmuck 335:b4678b054027 407
dudmuck 335:b4678b054027 408 /** \brief Set 4k/64k page parity check
dudmuck 335:b4678b054027 409
dudmuck 335:b4678b054027 410 The function sets 4k/64k page parity check
dudmuck 335:b4678b054027 411
dudmuck 335:b4678b054027 412 \param [out] descriptor_l1 L1 descriptor.
dudmuck 335:b4678b054027 413 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
dudmuck 335:b4678b054027 414
dudmuck 335:b4678b054027 415 \return 0
dudmuck 335:b4678b054027 416 */
dudmuck 335:b4678b054027 417 __STATIC_INLINE int __p_page(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
dudmuck 335:b4678b054027 418 {
dudmuck 335:b4678b054027 419 *descriptor_l1 &= SECTION_P_MASK;
dudmuck 335:b4678b054027 420 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
dudmuck 335:b4678b054027 421 return 0;
dudmuck 335:b4678b054027 422 }
dudmuck 335:b4678b054027 423
dudmuck 335:b4678b054027 424 /** \brief Set 4k/64k page access privileges
dudmuck 335:b4678b054027 425
dudmuck 335:b4678b054027 426 The function sets 4k/64k page access privileges
dudmuck 335:b4678b054027 427
dudmuck 335:b4678b054027 428 \param [out] descriptor_l2 L2 descriptor.
dudmuck 335:b4678b054027 429 \param [in] user User Level Access: NO_ACCESS, RW, READ
dudmuck 335:b4678b054027 430 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
dudmuck 335:b4678b054027 431 \param [in] afe Access flag enable
dudmuck 335:b4678b054027 432
dudmuck 335:b4678b054027 433 \return 0
dudmuck 335:b4678b054027 434 */
dudmuck 335:b4678b054027 435 __STATIC_INLINE int __ap_page(uint32_t *descriptor_l2, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
dudmuck 335:b4678b054027 436 {
dudmuck 335:b4678b054027 437 uint32_t ap = 0;
dudmuck 335:b4678b054027 438
dudmuck 335:b4678b054027 439 if (afe == 0) { //full access
dudmuck 335:b4678b054027 440 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
dudmuck 335:b4678b054027 441 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
dudmuck 335:b4678b054027 442 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
dudmuck 335:b4678b054027 443 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
dudmuck 335:b4678b054027 444 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
dudmuck 335:b4678b054027 445 else if ((priv == READ) && (user == READ)) { ap = 0x6; }
dudmuck 335:b4678b054027 446 }
dudmuck 335:b4678b054027 447
dudmuck 335:b4678b054027 448 else { //Simplified access
dudmuck 335:b4678b054027 449 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
dudmuck 335:b4678b054027 450 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
dudmuck 335:b4678b054027 451 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
dudmuck 335:b4678b054027 452 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
dudmuck 335:b4678b054027 453 }
dudmuck 335:b4678b054027 454
dudmuck 335:b4678b054027 455 *descriptor_l2 &= PAGE_AP_MASK;
dudmuck 335:b4678b054027 456 *descriptor_l2 |= (ap & 0x3) << PAGE_AP_SHIFT;
dudmuck 335:b4678b054027 457 *descriptor_l2 |= ((ap & 0x4)>>2) << PAGE_AP2_SHIFT;
dudmuck 335:b4678b054027 458
dudmuck 335:b4678b054027 459 return 0;
dudmuck 335:b4678b054027 460 }
dudmuck 335:b4678b054027 461
dudmuck 335:b4678b054027 462 /** \brief Set 4k/64k page shareability
dudmuck 335:b4678b054027 463
dudmuck 335:b4678b054027 464 The function sets 4k/64k page shareability
dudmuck 335:b4678b054027 465
dudmuck 335:b4678b054027 466 \param [out] descriptor_l2 L2 descriptor.
dudmuck 335:b4678b054027 467 \param [in] s_bit 4k/64k page shareability: NON_SHARED, SHARED
dudmuck 335:b4678b054027 468
dudmuck 335:b4678b054027 469 \return 0
dudmuck 335:b4678b054027 470 */
dudmuck 335:b4678b054027 471 __STATIC_INLINE int __shared_page(uint32_t *descriptor_l2, mmu_shared_Type s_bit)
dudmuck 335:b4678b054027 472 {
dudmuck 335:b4678b054027 473 *descriptor_l2 &= PAGE_S_MASK;
dudmuck 335:b4678b054027 474 *descriptor_l2 |= ((s_bit & 0x1) << PAGE_S_SHIFT);
dudmuck 335:b4678b054027 475 return 0;
dudmuck 335:b4678b054027 476 }
dudmuck 335:b4678b054027 477
dudmuck 335:b4678b054027 478 /** \brief Set 4k/64k page Global attribute
dudmuck 335:b4678b054027 479
dudmuck 335:b4678b054027 480 The function sets 4k/64k page Global attribute
dudmuck 335:b4678b054027 481
dudmuck 335:b4678b054027 482 \param [out] descriptor_l2 L2 descriptor.
dudmuck 335:b4678b054027 483 \param [in] g_bit 4k/64k page attribute: GLOBAL, NON_GLOBAL
dudmuck 335:b4678b054027 484
dudmuck 335:b4678b054027 485 \return 0
dudmuck 335:b4678b054027 486 */
dudmuck 335:b4678b054027 487 __STATIC_INLINE int __global_page(uint32_t *descriptor_l2, mmu_global_Type g_bit)
dudmuck 335:b4678b054027 488 {
dudmuck 335:b4678b054027 489 *descriptor_l2 &= PAGE_NG_MASK;
dudmuck 335:b4678b054027 490 *descriptor_l2 |= ((g_bit & 0x1) << PAGE_NG_SHIFT);
dudmuck 335:b4678b054027 491 return 0;
dudmuck 335:b4678b054027 492 }
dudmuck 335:b4678b054027 493
dudmuck 335:b4678b054027 494 /** \brief Set 4k/64k page Security attribute
dudmuck 335:b4678b054027 495
dudmuck 335:b4678b054027 496 The function sets 4k/64k page Global attribute
dudmuck 335:b4678b054027 497
dudmuck 335:b4678b054027 498 \param [out] descriptor_l1 L1 descriptor.
dudmuck 335:b4678b054027 499 \param [in] s_bit 4k/64k page Security attribute: SECURE, NON_SECURE
dudmuck 335:b4678b054027 500
dudmuck 335:b4678b054027 501 \return 0
dudmuck 335:b4678b054027 502 */
dudmuck 335:b4678b054027 503 __STATIC_INLINE int __secure_page(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
dudmuck 335:b4678b054027 504 {
dudmuck 335:b4678b054027 505 *descriptor_l1 &= PAGE_NS_MASK;
dudmuck 335:b4678b054027 506 *descriptor_l1 |= ((s_bit & 0x1) << PAGE_NS_SHIFT);
dudmuck 335:b4678b054027 507 return 0;
dudmuck 335:b4678b054027 508 }
dudmuck 335:b4678b054027 509
dudmuck 335:b4678b054027 510
dudmuck 335:b4678b054027 511 /** \brief Set Section memory attributes
dudmuck 335:b4678b054027 512
dudmuck 335:b4678b054027 513 The function sets section memory attributes
dudmuck 335:b4678b054027 514
dudmuck 335:b4678b054027 515 \param [out] descriptor_l1 L1 descriptor.
dudmuck 335:b4678b054027 516 \param [in] mem Section memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
dudmuck 335:b4678b054027 517 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
dudmuck 335:b4678b054027 518 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
dudmuck 335:b4678b054027 519
dudmuck 335:b4678b054027 520 \return 0
dudmuck 335:b4678b054027 521 */
dudmuck 335:b4678b054027 522 __STATIC_INLINE int __memory_section(uint32_t *descriptor_l1, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner)
dudmuck 335:b4678b054027 523 {
dudmuck 335:b4678b054027 524 *descriptor_l1 &= SECTION_TEXCB_MASK;
dudmuck 335:b4678b054027 525
dudmuck 335:b4678b054027 526 if (STRONGLY_ORDERED == mem)
dudmuck 335:b4678b054027 527 {
dudmuck 335:b4678b054027 528 return 0;
dudmuck 335:b4678b054027 529 }
dudmuck 335:b4678b054027 530 else if (SHARED_DEVICE == mem)
dudmuck 335:b4678b054027 531 {
dudmuck 335:b4678b054027 532 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
dudmuck 335:b4678b054027 533 }
dudmuck 335:b4678b054027 534 else if (NON_SHARED_DEVICE == mem)
dudmuck 335:b4678b054027 535 {
dudmuck 335:b4678b054027 536 *descriptor_l1 |= (1 << SECTION_TEX1_SHIFT);
dudmuck 335:b4678b054027 537 }
dudmuck 335:b4678b054027 538 else if (NORMAL == mem)
dudmuck 335:b4678b054027 539 {
dudmuck 335:b4678b054027 540 *descriptor_l1 |= 1 << SECTION_TEX2_SHIFT;
dudmuck 335:b4678b054027 541 switch(inner)
dudmuck 335:b4678b054027 542 {
dudmuck 335:b4678b054027 543 case NON_CACHEABLE:
dudmuck 335:b4678b054027 544 break;
dudmuck 335:b4678b054027 545 case WB_WA:
dudmuck 335:b4678b054027 546 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
dudmuck 335:b4678b054027 547 break;
dudmuck 335:b4678b054027 548 case WT:
dudmuck 335:b4678b054027 549 *descriptor_l1 |= 1 << SECTION_C_SHIFT;
dudmuck 335:b4678b054027 550 break;
dudmuck 335:b4678b054027 551 case WB_NO_WA:
dudmuck 335:b4678b054027 552 *descriptor_l1 |= (1 << SECTION_B_SHIFT) | (1 << SECTION_C_SHIFT);
dudmuck 335:b4678b054027 553 break;
dudmuck 335:b4678b054027 554 }
dudmuck 335:b4678b054027 555 switch(outer)
dudmuck 335:b4678b054027 556 {
dudmuck 335:b4678b054027 557 case NON_CACHEABLE:
dudmuck 335:b4678b054027 558 break;
dudmuck 335:b4678b054027 559 case WB_WA:
dudmuck 335:b4678b054027 560 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT);
dudmuck 335:b4678b054027 561 break;
dudmuck 335:b4678b054027 562 case WT:
dudmuck 335:b4678b054027 563 *descriptor_l1 |= 1 << SECTION_TEX1_SHIFT;
dudmuck 335:b4678b054027 564 break;
dudmuck 335:b4678b054027 565 case WB_NO_WA:
dudmuck 335:b4678b054027 566 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT) | (1 << SECTION_TEX0_SHIFT);
dudmuck 335:b4678b054027 567 break;
dudmuck 335:b4678b054027 568 }
dudmuck 335:b4678b054027 569 }
dudmuck 335:b4678b054027 570
dudmuck 335:b4678b054027 571 return 0;
dudmuck 335:b4678b054027 572 }
dudmuck 335:b4678b054027 573
dudmuck 335:b4678b054027 574 /** \brief Set 4k/64k page memory attributes
dudmuck 335:b4678b054027 575
dudmuck 335:b4678b054027 576 The function sets 4k/64k page memory attributes
dudmuck 335:b4678b054027 577
dudmuck 335:b4678b054027 578 \param [out] descriptor_l2 L2 descriptor.
dudmuck 335:b4678b054027 579 \param [in] mem 4k/64k page memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
dudmuck 335:b4678b054027 580 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
dudmuck 335:b4678b054027 581 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
dudmuck 335:b4678b054027 582
dudmuck 335:b4678b054027 583 \return 0
dudmuck 335:b4678b054027 584 */
dudmuck 335:b4678b054027 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)
dudmuck 335:b4678b054027 586 {
dudmuck 335:b4678b054027 587 *descriptor_l2 &= PAGE_4K_TEXCB_MASK;
dudmuck 335:b4678b054027 588
dudmuck 335:b4678b054027 589 if (page == PAGE_64k)
dudmuck 335:b4678b054027 590 {
dudmuck 335:b4678b054027 591 //same as section
dudmuck 335:b4678b054027 592 __memory_section(descriptor_l2, mem, outer, inner);
dudmuck 335:b4678b054027 593 }
dudmuck 335:b4678b054027 594 else
dudmuck 335:b4678b054027 595 {
dudmuck 335:b4678b054027 596 if (STRONGLY_ORDERED == mem)
dudmuck 335:b4678b054027 597 {
dudmuck 335:b4678b054027 598 return 0;
dudmuck 335:b4678b054027 599 }
dudmuck 335:b4678b054027 600 else if (SHARED_DEVICE == mem)
dudmuck 335:b4678b054027 601 {
dudmuck 335:b4678b054027 602 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
dudmuck 335:b4678b054027 603 }
dudmuck 335:b4678b054027 604 else if (NON_SHARED_DEVICE == mem)
dudmuck 335:b4678b054027 605 {
dudmuck 335:b4678b054027 606 *descriptor_l2 |= (1 << PAGE_4K_TEX1_SHIFT);
dudmuck 335:b4678b054027 607 }
dudmuck 335:b4678b054027 608 else if (NORMAL == mem)
dudmuck 335:b4678b054027 609 {
dudmuck 335:b4678b054027 610 *descriptor_l2 |= 1 << PAGE_4K_TEX2_SHIFT;
dudmuck 335:b4678b054027 611 switch(inner)
dudmuck 335:b4678b054027 612 {
dudmuck 335:b4678b054027 613 case NON_CACHEABLE:
dudmuck 335:b4678b054027 614 break;
dudmuck 335:b4678b054027 615 case WB_WA:
dudmuck 335:b4678b054027 616 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
dudmuck 335:b4678b054027 617 break;
dudmuck 335:b4678b054027 618 case WT:
dudmuck 335:b4678b054027 619 *descriptor_l2 |= 1 << PAGE_4K_C_SHIFT;
dudmuck 335:b4678b054027 620 break;
dudmuck 335:b4678b054027 621 case WB_NO_WA:
dudmuck 335:b4678b054027 622 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT) | (1 << PAGE_4K_C_SHIFT);
dudmuck 335:b4678b054027 623 break;
dudmuck 335:b4678b054027 624 }
dudmuck 335:b4678b054027 625 switch(outer)
dudmuck 335:b4678b054027 626 {
dudmuck 335:b4678b054027 627 case NON_CACHEABLE:
dudmuck 335:b4678b054027 628 break;
dudmuck 335:b4678b054027 629 case WB_WA:
dudmuck 335:b4678b054027 630 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT);
dudmuck 335:b4678b054027 631 break;
dudmuck 335:b4678b054027 632 case WT:
dudmuck 335:b4678b054027 633 *descriptor_l2 |= 1 << PAGE_4K_TEX1_SHIFT;
dudmuck 335:b4678b054027 634 break;
dudmuck 335:b4678b054027 635 case WB_NO_WA:
dudmuck 335:b4678b054027 636 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT) | (1 << PAGE_4K_TEX0_SHIFT);
dudmuck 335:b4678b054027 637 break;
dudmuck 335:b4678b054027 638 }
dudmuck 335:b4678b054027 639 }
dudmuck 335:b4678b054027 640 }
dudmuck 335:b4678b054027 641
dudmuck 335:b4678b054027 642 return 0;
dudmuck 335:b4678b054027 643 }
dudmuck 335:b4678b054027 644
dudmuck 335:b4678b054027 645 /** \brief Create a L1 section descriptor
dudmuck 335:b4678b054027 646
dudmuck 335:b4678b054027 647 The function creates a section descriptor.
dudmuck 335:b4678b054027 648
dudmuck 335:b4678b054027 649 Assumptions:
dudmuck 335:b4678b054027 650 - 16MB super sections not suported
dudmuck 335:b4678b054027 651 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
dudmuck 335:b4678b054027 652 - Functions always return 0
dudmuck 335:b4678b054027 653
dudmuck 335:b4678b054027 654 \param [out] descriptor L1 descriptor
dudmuck 335:b4678b054027 655 \param [out] descriptor2 L2 descriptor
dudmuck 335:b4678b054027 656 \param [in] reg Section attributes
dudmuck 335:b4678b054027 657
dudmuck 335:b4678b054027 658 \return 0
dudmuck 335:b4678b054027 659 */
dudmuck 335:b4678b054027 660 __STATIC_INLINE int __get_section_descriptor(uint32_t *descriptor, mmu_region_attributes_Type reg)
dudmuck 335:b4678b054027 661 {
dudmuck 335:b4678b054027 662 *descriptor = 0;
dudmuck 335:b4678b054027 663
dudmuck 335:b4678b054027 664 __memory_section(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t);
dudmuck 335:b4678b054027 665 __xn_section(descriptor,reg.xn_t);
dudmuck 335:b4678b054027 666 __domain_section(descriptor, reg.domain);
dudmuck 335:b4678b054027 667 __p_section(descriptor, reg.e_t);
dudmuck 335:b4678b054027 668 __ap_section(descriptor, reg.priv_t, reg.user_t, 1);
dudmuck 335:b4678b054027 669 __shared_section(descriptor,reg.sh_t);
dudmuck 335:b4678b054027 670 __global_section(descriptor,reg.g_t);
dudmuck 335:b4678b054027 671 __secure_section(descriptor,reg.sec_t);
dudmuck 335:b4678b054027 672 *descriptor &= SECTION_MASK;
dudmuck 335:b4678b054027 673 *descriptor |= SECTION_DESCRIPTOR;
dudmuck 335:b4678b054027 674
dudmuck 335:b4678b054027 675 return 0;
dudmuck 335:b4678b054027 676
dudmuck 335:b4678b054027 677 }
dudmuck 335:b4678b054027 678
dudmuck 335:b4678b054027 679
dudmuck 335:b4678b054027 680 /** \brief Create a L1 and L2 4k/64k page descriptor
dudmuck 335:b4678b054027 681
dudmuck 335:b4678b054027 682 The function creates a 4k/64k page descriptor.
dudmuck 335:b4678b054027 683 Assumptions:
dudmuck 335:b4678b054027 684 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
dudmuck 335:b4678b054027 685 - Functions always return 0
dudmuck 335:b4678b054027 686
dudmuck 335:b4678b054027 687 \param [out] descriptor L1 descriptor
dudmuck 335:b4678b054027 688 \param [out] descriptor2 L2 descriptor
dudmuck 335:b4678b054027 689 \param [in] reg 4k/64k page attributes
dudmuck 335:b4678b054027 690
dudmuck 335:b4678b054027 691 \return 0
dudmuck 335:b4678b054027 692 */
dudmuck 335:b4678b054027 693 __STATIC_INLINE int __get_page_descriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg)
dudmuck 335:b4678b054027 694 {
dudmuck 335:b4678b054027 695 *descriptor = 0;
dudmuck 335:b4678b054027 696 *descriptor2 = 0;
dudmuck 335:b4678b054027 697
dudmuck 335:b4678b054027 698 switch (reg.rg_t)
dudmuck 335:b4678b054027 699 {
dudmuck 335:b4678b054027 700 case PAGE_4k:
dudmuck 335:b4678b054027 701 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k);
dudmuck 335:b4678b054027 702 __xn_page(descriptor2, reg.xn_t, PAGE_4k);
dudmuck 335:b4678b054027 703 __domain_page(descriptor, reg.domain);
dudmuck 335:b4678b054027 704 __p_page(descriptor, reg.e_t);
dudmuck 335:b4678b054027 705 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
dudmuck 335:b4678b054027 706 __shared_page(descriptor2,reg.sh_t);
dudmuck 335:b4678b054027 707 __global_page(descriptor2,reg.g_t);
dudmuck 335:b4678b054027 708 __secure_page(descriptor,reg.sec_t);
dudmuck 335:b4678b054027 709 *descriptor &= PAGE_L1_MASK;
dudmuck 335:b4678b054027 710 *descriptor |= PAGE_L1_DESCRIPTOR;
dudmuck 335:b4678b054027 711 *descriptor2 &= PAGE_L2_4K_MASK;
dudmuck 335:b4678b054027 712 *descriptor2 |= PAGE_L2_4K_DESC;
dudmuck 335:b4678b054027 713 break;
dudmuck 335:b4678b054027 714
dudmuck 335:b4678b054027 715 case PAGE_64k:
dudmuck 335:b4678b054027 716 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k);
dudmuck 335:b4678b054027 717 __xn_page(descriptor2, reg.xn_t, PAGE_64k);
dudmuck 335:b4678b054027 718 __domain_page(descriptor, reg.domain);
dudmuck 335:b4678b054027 719 __p_page(descriptor, reg.e_t);
dudmuck 335:b4678b054027 720 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
dudmuck 335:b4678b054027 721 __shared_page(descriptor2,reg.sh_t);
dudmuck 335:b4678b054027 722 __global_page(descriptor2,reg.g_t);
dudmuck 335:b4678b054027 723 __secure_page(descriptor,reg.sec_t);
dudmuck 335:b4678b054027 724 *descriptor &= PAGE_L1_MASK;
dudmuck 335:b4678b054027 725 *descriptor |= PAGE_L1_DESCRIPTOR;
dudmuck 335:b4678b054027 726 *descriptor2 &= PAGE_L2_64K_MASK;
dudmuck 335:b4678b054027 727 *descriptor2 |= PAGE_L2_64K_DESC;
dudmuck 335:b4678b054027 728 break;
dudmuck 335:b4678b054027 729
dudmuck 335:b4678b054027 730 case SECTION:
dudmuck 335:b4678b054027 731 //error
dudmuck 335:b4678b054027 732 break;
dudmuck 335:b4678b054027 733
dudmuck 335:b4678b054027 734 }
dudmuck 335:b4678b054027 735
dudmuck 335:b4678b054027 736 return 0;
dudmuck 335:b4678b054027 737
dudmuck 335:b4678b054027 738 }
dudmuck 335:b4678b054027 739
dudmuck 335:b4678b054027 740 /** \brief Create a 1MB Section
dudmuck 335:b4678b054027 741
dudmuck 335:b4678b054027 742 \param [in] ttb Translation table base address
dudmuck 335:b4678b054027 743 \param [in] base_address Section base address
dudmuck 335:b4678b054027 744 \param [in] count Number of sections to create
dudmuck 335:b4678b054027 745 \param [in] descriptor_l1 L1 descriptor (region attributes)
dudmuck 335:b4678b054027 746
dudmuck 335:b4678b054027 747 */
dudmuck 335:b4678b054027 748 __STATIC_INLINE void __TTSection(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1)
dudmuck 335:b4678b054027 749 {
dudmuck 335:b4678b054027 750 uint32_t offset;
dudmuck 335:b4678b054027 751 uint32_t entry;
dudmuck 335:b4678b054027 752 uint32_t i;
dudmuck 335:b4678b054027 753
dudmuck 335:b4678b054027 754 offset = base_address >> 20;
dudmuck 335:b4678b054027 755 entry = (base_address & 0xFFF00000) | descriptor_l1;
dudmuck 335:b4678b054027 756
dudmuck 335:b4678b054027 757 //4 bytes aligned
dudmuck 335:b4678b054027 758 ttb = ttb + offset;
dudmuck 335:b4678b054027 759
dudmuck 335:b4678b054027 760 for (i = 0; i < count; i++ )
dudmuck 335:b4678b054027 761 {
dudmuck 335:b4678b054027 762 //4 bytes aligned
dudmuck 335:b4678b054027 763 *ttb++ = entry;
dudmuck 335:b4678b054027 764 entry += OFFSET_1M;
dudmuck 335:b4678b054027 765 }
dudmuck 335:b4678b054027 766 }
dudmuck 335:b4678b054027 767
dudmuck 335:b4678b054027 768 /** \brief Create a 4k page entry
dudmuck 335:b4678b054027 769
dudmuck 335:b4678b054027 770 \param [in] ttb L1 table base address
dudmuck 335:b4678b054027 771 \param [in] base_address 4k base address
dudmuck 335:b4678b054027 772 \param [in] count Number of 4k pages to create
dudmuck 335:b4678b054027 773 \param [in] descriptor_l1 L1 descriptor (region attributes)
dudmuck 335:b4678b054027 774 \param [in] ttb_l2 L2 table base address
dudmuck 335:b4678b054027 775 \param [in] descriptor_l2 L2 descriptor (region attributes)
dudmuck 335:b4678b054027 776
dudmuck 335:b4678b054027 777 */
dudmuck 335:b4678b054027 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 )
dudmuck 335:b4678b054027 779 {
dudmuck 335:b4678b054027 780
dudmuck 335:b4678b054027 781 uint32_t offset, offset2;
dudmuck 335:b4678b054027 782 uint32_t entry, entry2;
dudmuck 335:b4678b054027 783 uint32_t i;
dudmuck 335:b4678b054027 784
dudmuck 335:b4678b054027 785
dudmuck 335:b4678b054027 786 offset = base_address >> 20;
dudmuck 335:b4678b054027 787 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
dudmuck 335:b4678b054027 788
dudmuck 335:b4678b054027 789 //4 bytes aligned
dudmuck 335:b4678b054027 790 ttb += offset;
dudmuck 335:b4678b054027 791 //create l1_entry
dudmuck 335:b4678b054027 792 *ttb = entry;
dudmuck 335:b4678b054027 793
dudmuck 335:b4678b054027 794 offset2 = (base_address & 0xff000) >> 12;
dudmuck 335:b4678b054027 795 ttb_l2 += offset2;
dudmuck 335:b4678b054027 796 entry2 = (base_address & 0xFFFFF000) | descriptor_l2;
dudmuck 335:b4678b054027 797 for (i = 0; i < count; i++ )
dudmuck 335:b4678b054027 798 {
dudmuck 335:b4678b054027 799 //4 bytes aligned
dudmuck 335:b4678b054027 800 *ttb_l2++ = entry2;
dudmuck 335:b4678b054027 801 entry2 += OFFSET_4K;
dudmuck 335:b4678b054027 802 }
dudmuck 335:b4678b054027 803 }
dudmuck 335:b4678b054027 804
dudmuck 335:b4678b054027 805 /** \brief Create a 64k page entry
dudmuck 335:b4678b054027 806
dudmuck 335:b4678b054027 807 \param [in] ttb L1 table base address
dudmuck 335:b4678b054027 808 \param [in] base_address 64k base address
dudmuck 335:b4678b054027 809 \param [in] count Number of 64k pages to create
dudmuck 335:b4678b054027 810 \param [in] descriptor_l1 L1 descriptor (region attributes)
dudmuck 335:b4678b054027 811 \param [in] ttb_l2 L2 table base address
dudmuck 335:b4678b054027 812 \param [in] descriptor_l2 L2 descriptor (region attributes)
dudmuck 335:b4678b054027 813
dudmuck 335:b4678b054027 814 */
dudmuck 335:b4678b054027 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 )
dudmuck 335:b4678b054027 816 {
dudmuck 335:b4678b054027 817 uint32_t offset, offset2;
dudmuck 335:b4678b054027 818 uint32_t entry, entry2;
dudmuck 335:b4678b054027 819 uint32_t i,j;
dudmuck 335:b4678b054027 820
dudmuck 335:b4678b054027 821
dudmuck 335:b4678b054027 822 offset = base_address >> 20;
dudmuck 335:b4678b054027 823 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
dudmuck 335:b4678b054027 824
dudmuck 335:b4678b054027 825 //4 bytes aligned
dudmuck 335:b4678b054027 826 ttb += offset;
dudmuck 335:b4678b054027 827 //create l1_entry
dudmuck 335:b4678b054027 828 *ttb = entry;
dudmuck 335:b4678b054027 829
dudmuck 335:b4678b054027 830 offset2 = (base_address & 0xff000) >> 12;
dudmuck 335:b4678b054027 831 ttb_l2 += offset2;
dudmuck 335:b4678b054027 832 entry2 = (base_address & 0xFFFF0000) | descriptor_l2;
dudmuck 335:b4678b054027 833 for (i = 0; i < count; i++ )
dudmuck 335:b4678b054027 834 {
dudmuck 335:b4678b054027 835 //create 16 entries
dudmuck 335:b4678b054027 836 for (j = 0; j < 16; j++)
dudmuck 335:b4678b054027 837 //4 bytes aligned
dudmuck 335:b4678b054027 838 *ttb_l2++ = entry2;
dudmuck 335:b4678b054027 839 entry2 += OFFSET_64K;
dudmuck 335:b4678b054027 840 }
dudmuck 335:b4678b054027 841 }
dudmuck 335:b4678b054027 842
dudmuck 335:b4678b054027 843 /*@} end of MMU_Functions */
dudmuck 335:b4678b054027 844 #endif
dudmuck 335:b4678b054027 845
dudmuck 335:b4678b054027 846 #ifdef __cplusplus
dudmuck 335:b4678b054027 847 }
dudmuck 335:b4678b054027 848 #endif