Vipin Ranka / MGAS_GR_Peach

This is the final version of Mini Gateway for Automation and Security desgined for Renesas GR Peach Design Contest

Dependencies:   GR-PEACH_video GraphicsFramework HTTPServer R_BSP mbed-rpc mbed-rtos Socket lwip-eth lwip-sys lwip FATFileSystem

Fork of mbed-os-example-mbed5-blinky by mbed-os-examples

mbed-dev/cmsis/core_ca_mmu.h@12:9a20164dcc47, 2017-01-11 (annotated)

Committer:
vipinranka
Date:
Wed Jan 11 11:41:30 2017 +0000
Revision:
12:9a20164dcc47
This is the final version MGAS Project for Renesas GR Peach Design Contest

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vipinranka 12:9a20164dcc47 1 ;/**************************************************************************//**
vipinranka 12:9a20164dcc47 2 ; * @file core_ca_mmu.h
vipinranka 12:9a20164dcc47 3 ; * @brief MMU Startup File for A9_MP Device Series
vipinranka 12:9a20164dcc47 4 ; * @version V1.01
vipinranka 12:9a20164dcc47 5 ; * @date 10 Sept 2014
vipinranka 12:9a20164dcc47 6 ; *
vipinranka 12:9a20164dcc47 7 ; * @note
vipinranka 12:9a20164dcc47 8 ; *
vipinranka 12:9a20164dcc47 9 ; ******************************************************************************/
vipinranka 12:9a20164dcc47 10 ;/* Copyright (c) 2012-2014 ARM LIMITED
vipinranka 12:9a20164dcc47 11 ;
vipinranka 12:9a20164dcc47 12 ; All rights reserved.
vipinranka 12:9a20164dcc47 13 ; Redistribution and use in source and binary forms, with or without
vipinranka 12:9a20164dcc47 14 ; modification, are permitted provided that the following conditions are met:
vipinranka 12:9a20164dcc47 15 ; - Redistributions of source code must retain the above copyright
vipinranka 12:9a20164dcc47 16 ; notice, this list of conditions and the following disclaimer.
vipinranka 12:9a20164dcc47 17 ; - Redistributions in binary form must reproduce the above copyright
vipinranka 12:9a20164dcc47 18 ; notice, this list of conditions and the following disclaimer in the
vipinranka 12:9a20164dcc47 19 ; documentation and/or other materials provided with the distribution.
vipinranka 12:9a20164dcc47 20 ; - Neither the name of ARM nor the names of its contributors may be used
vipinranka 12:9a20164dcc47 21 ; to endorse or promote products derived from this software without
vipinranka 12:9a20164dcc47 22 ; specific prior written permission.
vipinranka 12:9a20164dcc47 23 ; *
vipinranka 12:9a20164dcc47 24 ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
vipinranka 12:9a20164dcc47 25 ; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
vipinranka 12:9a20164dcc47 26 ; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
vipinranka 12:9a20164dcc47 27 ; ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
vipinranka 12:9a20164dcc47 28 ; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
vipinranka 12:9a20164dcc47 29 ; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
vipinranka 12:9a20164dcc47 30 ; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
vipinranka 12:9a20164dcc47 31 ; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
vipinranka 12:9a20164dcc47 32 ; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
vipinranka 12:9a20164dcc47 33 ; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
vipinranka 12:9a20164dcc47 34 ; POSSIBILITY OF SUCH DAMAGE.
vipinranka 12:9a20164dcc47 35 ; ---------------------------------------------------------------------------*/
vipinranka 12:9a20164dcc47 36
vipinranka 12:9a20164dcc47 37 #ifdef __cplusplus
vipinranka 12:9a20164dcc47 38 extern "C" {
vipinranka 12:9a20164dcc47 39 #endif
vipinranka 12:9a20164dcc47 40
vipinranka 12:9a20164dcc47 41 #ifndef _MMU_FUNC_H
vipinranka 12:9a20164dcc47 42 #define _MMU_FUNC_H
vipinranka 12:9a20164dcc47 43
vipinranka 12:9a20164dcc47 44 #define SECTION_DESCRIPTOR (0x2)
vipinranka 12:9a20164dcc47 45 #define SECTION_MASK (0xFFFFFFFC)
vipinranka 12:9a20164dcc47 46
vipinranka 12:9a20164dcc47 47 #define SECTION_TEXCB_MASK (0xFFFF8FF3)
vipinranka 12:9a20164dcc47 48 #define SECTION_B_SHIFT (2)
vipinranka 12:9a20164dcc47 49 #define SECTION_C_SHIFT (3)
vipinranka 12:9a20164dcc47 50 #define SECTION_TEX0_SHIFT (12)
vipinranka 12:9a20164dcc47 51 #define SECTION_TEX1_SHIFT (13)
vipinranka 12:9a20164dcc47 52 #define SECTION_TEX2_SHIFT (14)
vipinranka 12:9a20164dcc47 53
vipinranka 12:9a20164dcc47 54 #define SECTION_XN_MASK (0xFFFFFFEF)
vipinranka 12:9a20164dcc47 55 #define SECTION_XN_SHIFT (4)
vipinranka 12:9a20164dcc47 56
vipinranka 12:9a20164dcc47 57 #define SECTION_DOMAIN_MASK (0xFFFFFE1F)
vipinranka 12:9a20164dcc47 58 #define SECTION_DOMAIN_SHIFT (5)
vipinranka 12:9a20164dcc47 59
vipinranka 12:9a20164dcc47 60 #define SECTION_P_MASK (0xFFFFFDFF)
vipinranka 12:9a20164dcc47 61 #define SECTION_P_SHIFT (9)
vipinranka 12:9a20164dcc47 62
vipinranka 12:9a20164dcc47 63 #define SECTION_AP_MASK (0xFFFF73FF)
vipinranka 12:9a20164dcc47 64 #define SECTION_AP_SHIFT (10)
vipinranka 12:9a20164dcc47 65 #define SECTION_AP2_SHIFT (15)
vipinranka 12:9a20164dcc47 66
vipinranka 12:9a20164dcc47 67 #define SECTION_S_MASK (0xFFFEFFFF)
vipinranka 12:9a20164dcc47 68 #define SECTION_S_SHIFT (16)
vipinranka 12:9a20164dcc47 69
vipinranka 12:9a20164dcc47 70 #define SECTION_NG_MASK (0xFFFDFFFF)
vipinranka 12:9a20164dcc47 71 #define SECTION_NG_SHIFT (17)
vipinranka 12:9a20164dcc47 72
vipinranka 12:9a20164dcc47 73 #define SECTION_NS_MASK (0xFFF7FFFF)
vipinranka 12:9a20164dcc47 74 #define SECTION_NS_SHIFT (19)
vipinranka 12:9a20164dcc47 75
vipinranka 12:9a20164dcc47 76
vipinranka 12:9a20164dcc47 77 #define PAGE_L1_DESCRIPTOR (0x1)
vipinranka 12:9a20164dcc47 78 #define PAGE_L1_MASK (0xFFFFFFFC)
vipinranka 12:9a20164dcc47 79
vipinranka 12:9a20164dcc47 80 #define PAGE_L2_4K_DESC (0x2)
vipinranka 12:9a20164dcc47 81 #define PAGE_L2_4K_MASK (0xFFFFFFFD)
vipinranka 12:9a20164dcc47 82
vipinranka 12:9a20164dcc47 83 #define PAGE_L2_64K_DESC (0x1)
vipinranka 12:9a20164dcc47 84 #define PAGE_L2_64K_MASK (0xFFFFFFFC)
vipinranka 12:9a20164dcc47 85
vipinranka 12:9a20164dcc47 86 #define PAGE_4K_TEXCB_MASK (0xFFFFFE33)
vipinranka 12:9a20164dcc47 87 #define PAGE_4K_B_SHIFT (2)
vipinranka 12:9a20164dcc47 88 #define PAGE_4K_C_SHIFT (3)
vipinranka 12:9a20164dcc47 89 #define PAGE_4K_TEX0_SHIFT (6)
vipinranka 12:9a20164dcc47 90 #define PAGE_4K_TEX1_SHIFT (7)
vipinranka 12:9a20164dcc47 91 #define PAGE_4K_TEX2_SHIFT (8)
vipinranka 12:9a20164dcc47 92
vipinranka 12:9a20164dcc47 93 #define PAGE_64K_TEXCB_MASK (0xFFFF8FF3)
vipinranka 12:9a20164dcc47 94 #define PAGE_64K_B_SHIFT (2)
vipinranka 12:9a20164dcc47 95 #define PAGE_64K_C_SHIFT (3)
vipinranka 12:9a20164dcc47 96 #define PAGE_64K_TEX0_SHIFT (12)
vipinranka 12:9a20164dcc47 97 #define PAGE_64K_TEX1_SHIFT (13)
vipinranka 12:9a20164dcc47 98 #define PAGE_64K_TEX2_SHIFT (14)
vipinranka 12:9a20164dcc47 99
vipinranka 12:9a20164dcc47 100 #define PAGE_TEXCB_MASK (0xFFFF8FF3)
vipinranka 12:9a20164dcc47 101 #define PAGE_B_SHIFT (2)
vipinranka 12:9a20164dcc47 102 #define PAGE_C_SHIFT (3)
vipinranka 12:9a20164dcc47 103 #define PAGE_TEX_SHIFT (12)
vipinranka 12:9a20164dcc47 104
vipinranka 12:9a20164dcc47 105 #define PAGE_XN_4K_MASK (0xFFFFFFFE)
vipinranka 12:9a20164dcc47 106 #define PAGE_XN_4K_SHIFT (0)
vipinranka 12:9a20164dcc47 107 #define PAGE_XN_64K_MASK (0xFFFF7FFF)
vipinranka 12:9a20164dcc47 108 #define PAGE_XN_64K_SHIFT (15)
vipinranka 12:9a20164dcc47 109
vipinranka 12:9a20164dcc47 110
vipinranka 12:9a20164dcc47 111 #define PAGE_DOMAIN_MASK (0xFFFFFE1F)
vipinranka 12:9a20164dcc47 112 #define PAGE_DOMAIN_SHIFT (5)
vipinranka 12:9a20164dcc47 113
vipinranka 12:9a20164dcc47 114 #define PAGE_P_MASK (0xFFFFFDFF)
vipinranka 12:9a20164dcc47 115 #define PAGE_P_SHIFT (9)
vipinranka 12:9a20164dcc47 116
vipinranka 12:9a20164dcc47 117 #define PAGE_AP_MASK (0xFFFFFDCF)
vipinranka 12:9a20164dcc47 118 #define PAGE_AP_SHIFT (4)
vipinranka 12:9a20164dcc47 119 #define PAGE_AP2_SHIFT (9)
vipinranka 12:9a20164dcc47 120
vipinranka 12:9a20164dcc47 121 #define PAGE_S_MASK (0xFFFFFBFF)
vipinranka 12:9a20164dcc47 122 #define PAGE_S_SHIFT (10)
vipinranka 12:9a20164dcc47 123
vipinranka 12:9a20164dcc47 124 #define PAGE_NG_MASK (0xFFFFF7FF)
vipinranka 12:9a20164dcc47 125 #define PAGE_NG_SHIFT (11)
vipinranka 12:9a20164dcc47 126
vipinranka 12:9a20164dcc47 127 #define PAGE_NS_MASK (0xFFFFFFF7)
vipinranka 12:9a20164dcc47 128 #define PAGE_NS_SHIFT (3)
vipinranka 12:9a20164dcc47 129
vipinranka 12:9a20164dcc47 130 #define OFFSET_1M (0x00100000)
vipinranka 12:9a20164dcc47 131 #define OFFSET_64K (0x00010000)
vipinranka 12:9a20164dcc47 132 #define OFFSET_4K (0x00001000)
vipinranka 12:9a20164dcc47 133
vipinranka 12:9a20164dcc47 134 #define DESCRIPTOR_FAULT (0x00000000)
vipinranka 12:9a20164dcc47 135
vipinranka 12:9a20164dcc47 136 /* ########################### MMU Function Access ########################### */
vipinranka 12:9a20164dcc47 137 /** \ingroup MMU_FunctionInterface
vipinranka 12:9a20164dcc47 138 \defgroup MMU_Functions MMU Functions Interface
vipinranka 12:9a20164dcc47 139 @{
vipinranka 12:9a20164dcc47 140 */
vipinranka 12:9a20164dcc47 141
vipinranka 12:9a20164dcc47 142 /* Attributes enumerations */
vipinranka 12:9a20164dcc47 143
vipinranka 12:9a20164dcc47 144 /* Region size attributes */
vipinranka 12:9a20164dcc47 145 typedef enum
vipinranka 12:9a20164dcc47 146 {
vipinranka 12:9a20164dcc47 147 SECTION,
vipinranka 12:9a20164dcc47 148 PAGE_4k,
vipinranka 12:9a20164dcc47 149 PAGE_64k,
vipinranka 12:9a20164dcc47 150 } mmu_region_size_Type;
vipinranka 12:9a20164dcc47 151
vipinranka 12:9a20164dcc47 152 /* Region type attributes */
vipinranka 12:9a20164dcc47 153 typedef enum
vipinranka 12:9a20164dcc47 154 {
vipinranka 12:9a20164dcc47 155 NORMAL,
vipinranka 12:9a20164dcc47 156 DEVICE,
vipinranka 12:9a20164dcc47 157 SHARED_DEVICE,
vipinranka 12:9a20164dcc47 158 NON_SHARED_DEVICE,
vipinranka 12:9a20164dcc47 159 STRONGLY_ORDERED
vipinranka 12:9a20164dcc47 160 } mmu_memory_Type;
vipinranka 12:9a20164dcc47 161
vipinranka 12:9a20164dcc47 162 /* Region cacheability attributes */
vipinranka 12:9a20164dcc47 163 typedef enum
vipinranka 12:9a20164dcc47 164 {
vipinranka 12:9a20164dcc47 165 NON_CACHEABLE,
vipinranka 12:9a20164dcc47 166 WB_WA,
vipinranka 12:9a20164dcc47 167 WT,
vipinranka 12:9a20164dcc47 168 WB_NO_WA,
vipinranka 12:9a20164dcc47 169 } mmu_cacheability_Type;
vipinranka 12:9a20164dcc47 170
vipinranka 12:9a20164dcc47 171 /* Region parity check attributes */
vipinranka 12:9a20164dcc47 172 typedef enum
vipinranka 12:9a20164dcc47 173 {
vipinranka 12:9a20164dcc47 174 ECC_DISABLED,
vipinranka 12:9a20164dcc47 175 ECC_ENABLED,
vipinranka 12:9a20164dcc47 176 } mmu_ecc_check_Type;
vipinranka 12:9a20164dcc47 177
vipinranka 12:9a20164dcc47 178 /* Region execution attributes */
vipinranka 12:9a20164dcc47 179 typedef enum
vipinranka 12:9a20164dcc47 180 {
vipinranka 12:9a20164dcc47 181 EXECUTE,
vipinranka 12:9a20164dcc47 182 NON_EXECUTE,
vipinranka 12:9a20164dcc47 183 } mmu_execute_Type;
vipinranka 12:9a20164dcc47 184
vipinranka 12:9a20164dcc47 185 /* Region global attributes */
vipinranka 12:9a20164dcc47 186 typedef enum
vipinranka 12:9a20164dcc47 187 {
vipinranka 12:9a20164dcc47 188 GLOBAL,
vipinranka 12:9a20164dcc47 189 NON_GLOBAL,
vipinranka 12:9a20164dcc47 190 } mmu_global_Type;
vipinranka 12:9a20164dcc47 191
vipinranka 12:9a20164dcc47 192 /* Region shareability attributes */
vipinranka 12:9a20164dcc47 193 typedef enum
vipinranka 12:9a20164dcc47 194 {
vipinranka 12:9a20164dcc47 195 NON_SHARED,
vipinranka 12:9a20164dcc47 196 SHARED,
vipinranka 12:9a20164dcc47 197 } mmu_shared_Type;
vipinranka 12:9a20164dcc47 198
vipinranka 12:9a20164dcc47 199 /* Region security attributes */
vipinranka 12:9a20164dcc47 200 typedef enum
vipinranka 12:9a20164dcc47 201 {
vipinranka 12:9a20164dcc47 202 SECURE,
vipinranka 12:9a20164dcc47 203 NON_SECURE,
vipinranka 12:9a20164dcc47 204 } mmu_secure_Type;
vipinranka 12:9a20164dcc47 205
vipinranka 12:9a20164dcc47 206 /* Region access attributes */
vipinranka 12:9a20164dcc47 207 typedef enum
vipinranka 12:9a20164dcc47 208 {
vipinranka 12:9a20164dcc47 209 NO_ACCESS,
vipinranka 12:9a20164dcc47 210 RW,
vipinranka 12:9a20164dcc47 211 READ,
vipinranka 12:9a20164dcc47 212 } mmu_access_Type;
vipinranka 12:9a20164dcc47 213
vipinranka 12:9a20164dcc47 214 /* Memory Region definition */
vipinranka 12:9a20164dcc47 215 typedef struct RegionStruct {
vipinranka 12:9a20164dcc47 216 mmu_region_size_Type rg_t;
vipinranka 12:9a20164dcc47 217 mmu_memory_Type mem_t;
vipinranka 12:9a20164dcc47 218 uint8_t domain;
vipinranka 12:9a20164dcc47 219 mmu_cacheability_Type inner_norm_t;
vipinranka 12:9a20164dcc47 220 mmu_cacheability_Type outer_norm_t;
vipinranka 12:9a20164dcc47 221 mmu_ecc_check_Type e_t;
vipinranka 12:9a20164dcc47 222 mmu_execute_Type xn_t;
vipinranka 12:9a20164dcc47 223 mmu_global_Type g_t;
vipinranka 12:9a20164dcc47 224 mmu_secure_Type sec_t;
vipinranka 12:9a20164dcc47 225 mmu_access_Type priv_t;
vipinranka 12:9a20164dcc47 226 mmu_access_Type user_t;
vipinranka 12:9a20164dcc47 227 mmu_shared_Type sh_t;
vipinranka 12:9a20164dcc47 228
vipinranka 12:9a20164dcc47 229 } mmu_region_attributes_Type;
vipinranka 12:9a20164dcc47 230
vipinranka 12:9a20164dcc47 231 /** \brief Set section execution-never attribute
vipinranka 12:9a20164dcc47 232
vipinranka 12:9a20164dcc47 233 The function sets section execution-never attribute
vipinranka 12:9a20164dcc47 234
vipinranka 12:9a20164dcc47 235 \param [out] descriptor_l1 L1 descriptor.
vipinranka 12:9a20164dcc47 236 \param [in] xn Section execution-never attribute : EXECUTE , NON_EXECUTE.
vipinranka 12:9a20164dcc47 237
vipinranka 12:9a20164dcc47 238 \return 0
vipinranka 12:9a20164dcc47 239 */
vipinranka 12:9a20164dcc47 240 __STATIC_INLINE int __xn_section(uint32_t *descriptor_l1, mmu_execute_Type xn)
vipinranka 12:9a20164dcc47 241 {
vipinranka 12:9a20164dcc47 242 *descriptor_l1 &= SECTION_XN_MASK;
vipinranka 12:9a20164dcc47 243 *descriptor_l1 |= ((xn & 0x1) << SECTION_XN_SHIFT);
vipinranka 12:9a20164dcc47 244 return 0;
vipinranka 12:9a20164dcc47 245 }
vipinranka 12:9a20164dcc47 246
vipinranka 12:9a20164dcc47 247 /** \brief Set section domain
vipinranka 12:9a20164dcc47 248
vipinranka 12:9a20164dcc47 249 The function sets section domain
vipinranka 12:9a20164dcc47 250
vipinranka 12:9a20164dcc47 251 \param [out] descriptor_l1 L1 descriptor.
vipinranka 12:9a20164dcc47 252 \param [in] domain Section domain
vipinranka 12:9a20164dcc47 253
vipinranka 12:9a20164dcc47 254 \return 0
vipinranka 12:9a20164dcc47 255 */
vipinranka 12:9a20164dcc47 256 __STATIC_INLINE int __domain_section(uint32_t *descriptor_l1, uint8_t domain)
vipinranka 12:9a20164dcc47 257 {
vipinranka 12:9a20164dcc47 258 *descriptor_l1 &= SECTION_DOMAIN_MASK;
vipinranka 12:9a20164dcc47 259 *descriptor_l1 |= ((domain & 0xF) << SECTION_DOMAIN_SHIFT);
vipinranka 12:9a20164dcc47 260 return 0;
vipinranka 12:9a20164dcc47 261 }
vipinranka 12:9a20164dcc47 262
vipinranka 12:9a20164dcc47 263 /** \brief Set section parity check
vipinranka 12:9a20164dcc47 264
vipinranka 12:9a20164dcc47 265 The function sets section parity check
vipinranka 12:9a20164dcc47 266
vipinranka 12:9a20164dcc47 267 \param [out] descriptor_l1 L1 descriptor.
vipinranka 12:9a20164dcc47 268 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
vipinranka 12:9a20164dcc47 269
vipinranka 12:9a20164dcc47 270 \return 0
vipinranka 12:9a20164dcc47 271 */
vipinranka 12:9a20164dcc47 272 __STATIC_INLINE int __p_section(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
vipinranka 12:9a20164dcc47 273 {
vipinranka 12:9a20164dcc47 274 *descriptor_l1 &= SECTION_P_MASK;
vipinranka 12:9a20164dcc47 275 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
vipinranka 12:9a20164dcc47 276 return 0;
vipinranka 12:9a20164dcc47 277 }
vipinranka 12:9a20164dcc47 278
vipinranka 12:9a20164dcc47 279 /** \brief Set section access privileges
vipinranka 12:9a20164dcc47 280
vipinranka 12:9a20164dcc47 281 The function sets section access privileges
vipinranka 12:9a20164dcc47 282
vipinranka 12:9a20164dcc47 283 \param [out] descriptor_l1 L1 descriptor.
vipinranka 12:9a20164dcc47 284 \param [in] user User Level Access: NO_ACCESS, RW, READ
vipinranka 12:9a20164dcc47 285 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
vipinranka 12:9a20164dcc47 286 \param [in] afe Access flag enable
vipinranka 12:9a20164dcc47 287
vipinranka 12:9a20164dcc47 288 \return 0
vipinranka 12:9a20164dcc47 289 */
vipinranka 12:9a20164dcc47 290 __STATIC_INLINE int __ap_section(uint32_t *descriptor_l1, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
vipinranka 12:9a20164dcc47 291 {
vipinranka 12:9a20164dcc47 292 uint32_t ap = 0;
vipinranka 12:9a20164dcc47 293
vipinranka 12:9a20164dcc47 294 if (afe == 0) { //full access
vipinranka 12:9a20164dcc47 295 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
vipinranka 12:9a20164dcc47 296 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
vipinranka 12:9a20164dcc47 297 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
vipinranka 12:9a20164dcc47 298 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
vipinranka 12:9a20164dcc47 299 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
vipinranka 12:9a20164dcc47 300 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
vipinranka 12:9a20164dcc47 301 }
vipinranka 12:9a20164dcc47 302
vipinranka 12:9a20164dcc47 303 else { //Simplified access
vipinranka 12:9a20164dcc47 304 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
vipinranka 12:9a20164dcc47 305 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
vipinranka 12:9a20164dcc47 306 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
vipinranka 12:9a20164dcc47 307 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
vipinranka 12:9a20164dcc47 308 }
vipinranka 12:9a20164dcc47 309
vipinranka 12:9a20164dcc47 310 *descriptor_l1 &= SECTION_AP_MASK;
vipinranka 12:9a20164dcc47 311 *descriptor_l1 |= (ap & 0x3) << SECTION_AP_SHIFT;
vipinranka 12:9a20164dcc47 312 *descriptor_l1 |= ((ap & 0x4)>>2) << SECTION_AP2_SHIFT;
vipinranka 12:9a20164dcc47 313
vipinranka 12:9a20164dcc47 314 return 0;
vipinranka 12:9a20164dcc47 315 }
vipinranka 12:9a20164dcc47 316
vipinranka 12:9a20164dcc47 317 /** \brief Set section shareability
vipinranka 12:9a20164dcc47 318
vipinranka 12:9a20164dcc47 319 The function sets section shareability
vipinranka 12:9a20164dcc47 320
vipinranka 12:9a20164dcc47 321 \param [out] descriptor_l1 L1 descriptor.
vipinranka 12:9a20164dcc47 322 \param [in] s_bit Section shareability: NON_SHARED, SHARED
vipinranka 12:9a20164dcc47 323
vipinranka 12:9a20164dcc47 324 \return 0
vipinranka 12:9a20164dcc47 325 */
vipinranka 12:9a20164dcc47 326 __STATIC_INLINE int __shared_section(uint32_t *descriptor_l1, mmu_shared_Type s_bit)
vipinranka 12:9a20164dcc47 327 {
vipinranka 12:9a20164dcc47 328 *descriptor_l1 &= SECTION_S_MASK;
vipinranka 12:9a20164dcc47 329 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_S_SHIFT);
vipinranka 12:9a20164dcc47 330 return 0;
vipinranka 12:9a20164dcc47 331 }
vipinranka 12:9a20164dcc47 332
vipinranka 12:9a20164dcc47 333 /** \brief Set section Global attribute
vipinranka 12:9a20164dcc47 334
vipinranka 12:9a20164dcc47 335 The function sets section Global attribute
vipinranka 12:9a20164dcc47 336
vipinranka 12:9a20164dcc47 337 \param [out] descriptor_l1 L1 descriptor.
vipinranka 12:9a20164dcc47 338 \param [in] g_bit Section attribute: GLOBAL, NON_GLOBAL
vipinranka 12:9a20164dcc47 339
vipinranka 12:9a20164dcc47 340 \return 0
vipinranka 12:9a20164dcc47 341 */
vipinranka 12:9a20164dcc47 342 __STATIC_INLINE int __global_section(uint32_t *descriptor_l1, mmu_global_Type g_bit)
vipinranka 12:9a20164dcc47 343 {
vipinranka 12:9a20164dcc47 344 *descriptor_l1 &= SECTION_NG_MASK;
vipinranka 12:9a20164dcc47 345 *descriptor_l1 |= ((g_bit & 0x1) << SECTION_NG_SHIFT);
vipinranka 12:9a20164dcc47 346 return 0;
vipinranka 12:9a20164dcc47 347 }
vipinranka 12:9a20164dcc47 348
vipinranka 12:9a20164dcc47 349 /** \brief Set section Security attribute
vipinranka 12:9a20164dcc47 350
vipinranka 12:9a20164dcc47 351 The function sets section Global attribute
vipinranka 12:9a20164dcc47 352
vipinranka 12:9a20164dcc47 353 \param [out] descriptor_l1 L1 descriptor.
vipinranka 12:9a20164dcc47 354 \param [in] s_bit Section Security attribute: SECURE, NON_SECURE
vipinranka 12:9a20164dcc47 355
vipinranka 12:9a20164dcc47 356 \return 0
vipinranka 12:9a20164dcc47 357 */
vipinranka 12:9a20164dcc47 358 __STATIC_INLINE int __secure_section(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
vipinranka 12:9a20164dcc47 359 {
vipinranka 12:9a20164dcc47 360 *descriptor_l1 &= SECTION_NS_MASK;
vipinranka 12:9a20164dcc47 361 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_NS_SHIFT);
vipinranka 12:9a20164dcc47 362 return 0;
vipinranka 12:9a20164dcc47 363 }
vipinranka 12:9a20164dcc47 364
vipinranka 12:9a20164dcc47 365 /* Page 4k or 64k */
vipinranka 12:9a20164dcc47 366 /** \brief Set 4k/64k page execution-never attribute
vipinranka 12:9a20164dcc47 367
vipinranka 12:9a20164dcc47 368 The function sets 4k/64k page execution-never attribute
vipinranka 12:9a20164dcc47 369
vipinranka 12:9a20164dcc47 370 \param [out] descriptor_l2 L2 descriptor.
vipinranka 12:9a20164dcc47 371 \param [in] xn Page execution-never attribute : EXECUTE , NON_EXECUTE.
vipinranka 12:9a20164dcc47 372 \param [in] page Page size: PAGE_4k, PAGE_64k,
vipinranka 12:9a20164dcc47 373
vipinranka 12:9a20164dcc47 374 \return 0
vipinranka 12:9a20164dcc47 375 */
vipinranka 12:9a20164dcc47 376 __STATIC_INLINE int __xn_page(uint32_t *descriptor_l2, mmu_execute_Type xn, mmu_region_size_Type page)
vipinranka 12:9a20164dcc47 377 {
vipinranka 12:9a20164dcc47 378 if (page == PAGE_4k)
vipinranka 12:9a20164dcc47 379 {
vipinranka 12:9a20164dcc47 380 *descriptor_l2 &= PAGE_XN_4K_MASK;
vipinranka 12:9a20164dcc47 381 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_4K_SHIFT);
vipinranka 12:9a20164dcc47 382 }
vipinranka 12:9a20164dcc47 383 else
vipinranka 12:9a20164dcc47 384 {
vipinranka 12:9a20164dcc47 385 *descriptor_l2 &= PAGE_XN_64K_MASK;
vipinranka 12:9a20164dcc47 386 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_64K_SHIFT);
vipinranka 12:9a20164dcc47 387 }
vipinranka 12:9a20164dcc47 388 return 0;
vipinranka 12:9a20164dcc47 389 }
vipinranka 12:9a20164dcc47 390
vipinranka 12:9a20164dcc47 391 /** \brief Set 4k/64k page domain
vipinranka 12:9a20164dcc47 392
vipinranka 12:9a20164dcc47 393 The function sets 4k/64k page domain
vipinranka 12:9a20164dcc47 394
vipinranka 12:9a20164dcc47 395 \param [out] descriptor_l1 L1 descriptor.
vipinranka 12:9a20164dcc47 396 \param [in] domain Page domain
vipinranka 12:9a20164dcc47 397
vipinranka 12:9a20164dcc47 398 \return 0
vipinranka 12:9a20164dcc47 399 */
vipinranka 12:9a20164dcc47 400 __STATIC_INLINE int __domain_page(uint32_t *descriptor_l1, uint8_t domain)
vipinranka 12:9a20164dcc47 401 {
vipinranka 12:9a20164dcc47 402 *descriptor_l1 &= PAGE_DOMAIN_MASK;
vipinranka 12:9a20164dcc47 403 *descriptor_l1 |= ((domain & 0xf) << PAGE_DOMAIN_SHIFT);
vipinranka 12:9a20164dcc47 404 return 0;
vipinranka 12:9a20164dcc47 405 }
vipinranka 12:9a20164dcc47 406
vipinranka 12:9a20164dcc47 407 /** \brief Set 4k/64k page parity check
vipinranka 12:9a20164dcc47 408
vipinranka 12:9a20164dcc47 409 The function sets 4k/64k page parity check
vipinranka 12:9a20164dcc47 410
vipinranka 12:9a20164dcc47 411 \param [out] descriptor_l1 L1 descriptor.
vipinranka 12:9a20164dcc47 412 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
vipinranka 12:9a20164dcc47 413
vipinranka 12:9a20164dcc47 414 \return 0
vipinranka 12:9a20164dcc47 415 */
vipinranka 12:9a20164dcc47 416 __STATIC_INLINE int __p_page(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
vipinranka 12:9a20164dcc47 417 {
vipinranka 12:9a20164dcc47 418 *descriptor_l1 &= SECTION_P_MASK;
vipinranka 12:9a20164dcc47 419 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
vipinranka 12:9a20164dcc47 420 return 0;
vipinranka 12:9a20164dcc47 421 }
vipinranka 12:9a20164dcc47 422
vipinranka 12:9a20164dcc47 423 /** \brief Set 4k/64k page access privileges
vipinranka 12:9a20164dcc47 424
vipinranka 12:9a20164dcc47 425 The function sets 4k/64k page access privileges
vipinranka 12:9a20164dcc47 426
vipinranka 12:9a20164dcc47 427 \param [out] descriptor_l2 L2 descriptor.
vipinranka 12:9a20164dcc47 428 \param [in] user User Level Access: NO_ACCESS, RW, READ
vipinranka 12:9a20164dcc47 429 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
vipinranka 12:9a20164dcc47 430 \param [in] afe Access flag enable
vipinranka 12:9a20164dcc47 431
vipinranka 12:9a20164dcc47 432 \return 0
vipinranka 12:9a20164dcc47 433 */
vipinranka 12:9a20164dcc47 434 __STATIC_INLINE int __ap_page(uint32_t *descriptor_l2, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
vipinranka 12:9a20164dcc47 435 {
vipinranka 12:9a20164dcc47 436 uint32_t ap = 0;
vipinranka 12:9a20164dcc47 437
vipinranka 12:9a20164dcc47 438 if (afe == 0) { //full access
vipinranka 12:9a20164dcc47 439 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
vipinranka 12:9a20164dcc47 440 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
vipinranka 12:9a20164dcc47 441 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
vipinranka 12:9a20164dcc47 442 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
vipinranka 12:9a20164dcc47 443 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
vipinranka 12:9a20164dcc47 444 else if ((priv == READ) && (user == READ)) { ap = 0x6; }
vipinranka 12:9a20164dcc47 445 }
vipinranka 12:9a20164dcc47 446
vipinranka 12:9a20164dcc47 447 else { //Simplified access
vipinranka 12:9a20164dcc47 448 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
vipinranka 12:9a20164dcc47 449 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
vipinranka 12:9a20164dcc47 450 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
vipinranka 12:9a20164dcc47 451 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
vipinranka 12:9a20164dcc47 452 }
vipinranka 12:9a20164dcc47 453
vipinranka 12:9a20164dcc47 454 *descriptor_l2 &= PAGE_AP_MASK;
vipinranka 12:9a20164dcc47 455 *descriptor_l2 |= (ap & 0x3) << PAGE_AP_SHIFT;
vipinranka 12:9a20164dcc47 456 *descriptor_l2 |= ((ap & 0x4)>>2) << PAGE_AP2_SHIFT;
vipinranka 12:9a20164dcc47 457
vipinranka 12:9a20164dcc47 458 return 0;
vipinranka 12:9a20164dcc47 459 }
vipinranka 12:9a20164dcc47 460
vipinranka 12:9a20164dcc47 461 /** \brief Set 4k/64k page shareability
vipinranka 12:9a20164dcc47 462
vipinranka 12:9a20164dcc47 463 The function sets 4k/64k page shareability
vipinranka 12:9a20164dcc47 464
vipinranka 12:9a20164dcc47 465 \param [out] descriptor_l2 L2 descriptor.
vipinranka 12:9a20164dcc47 466 \param [in] s_bit 4k/64k page shareability: NON_SHARED, SHARED
vipinranka 12:9a20164dcc47 467
vipinranka 12:9a20164dcc47 468 \return 0
vipinranka 12:9a20164dcc47 469 */
vipinranka 12:9a20164dcc47 470 __STATIC_INLINE int __shared_page(uint32_t *descriptor_l2, mmu_shared_Type s_bit)
vipinranka 12:9a20164dcc47 471 {
vipinranka 12:9a20164dcc47 472 *descriptor_l2 &= PAGE_S_MASK;
vipinranka 12:9a20164dcc47 473 *descriptor_l2 |= ((s_bit & 0x1) << PAGE_S_SHIFT);
vipinranka 12:9a20164dcc47 474 return 0;
vipinranka 12:9a20164dcc47 475 }
vipinranka 12:9a20164dcc47 476
vipinranka 12:9a20164dcc47 477 /** \brief Set 4k/64k page Global attribute
vipinranka 12:9a20164dcc47 478
vipinranka 12:9a20164dcc47 479 The function sets 4k/64k page Global attribute
vipinranka 12:9a20164dcc47 480
vipinranka 12:9a20164dcc47 481 \param [out] descriptor_l2 L2 descriptor.
vipinranka 12:9a20164dcc47 482 \param [in] g_bit 4k/64k page attribute: GLOBAL, NON_GLOBAL
vipinranka 12:9a20164dcc47 483
vipinranka 12:9a20164dcc47 484 \return 0
vipinranka 12:9a20164dcc47 485 */
vipinranka 12:9a20164dcc47 486 __STATIC_INLINE int __global_page(uint32_t *descriptor_l2, mmu_global_Type g_bit)
vipinranka 12:9a20164dcc47 487 {
vipinranka 12:9a20164dcc47 488 *descriptor_l2 &= PAGE_NG_MASK;
vipinranka 12:9a20164dcc47 489 *descriptor_l2 |= ((g_bit & 0x1) << PAGE_NG_SHIFT);
vipinranka 12:9a20164dcc47 490 return 0;
vipinranka 12:9a20164dcc47 491 }
vipinranka 12:9a20164dcc47 492
vipinranka 12:9a20164dcc47 493 /** \brief Set 4k/64k page Security attribute
vipinranka 12:9a20164dcc47 494
vipinranka 12:9a20164dcc47 495 The function sets 4k/64k page Global attribute
vipinranka 12:9a20164dcc47 496
vipinranka 12:9a20164dcc47 497 \param [out] descriptor_l1 L1 descriptor.
vipinranka 12:9a20164dcc47 498 \param [in] s_bit 4k/64k page Security attribute: SECURE, NON_SECURE
vipinranka 12:9a20164dcc47 499
vipinranka 12:9a20164dcc47 500 \return 0
vipinranka 12:9a20164dcc47 501 */
vipinranka 12:9a20164dcc47 502 __STATIC_INLINE int __secure_page(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
vipinranka 12:9a20164dcc47 503 {
vipinranka 12:9a20164dcc47 504 *descriptor_l1 &= PAGE_NS_MASK;
vipinranka 12:9a20164dcc47 505 *descriptor_l1 |= ((s_bit & 0x1) << PAGE_NS_SHIFT);
vipinranka 12:9a20164dcc47 506 return 0;
vipinranka 12:9a20164dcc47 507 }
vipinranka 12:9a20164dcc47 508
vipinranka 12:9a20164dcc47 509
vipinranka 12:9a20164dcc47 510 /** \brief Set Section memory attributes
vipinranka 12:9a20164dcc47 511
vipinranka 12:9a20164dcc47 512 The function sets section memory attributes
vipinranka 12:9a20164dcc47 513
vipinranka 12:9a20164dcc47 514 \param [out] descriptor_l1 L1 descriptor.
vipinranka 12:9a20164dcc47 515 \param [in] mem Section memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
vipinranka 12:9a20164dcc47 516 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
vipinranka 12:9a20164dcc47 517 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
vipinranka 12:9a20164dcc47 518
vipinranka 12:9a20164dcc47 519 \return 0
vipinranka 12:9a20164dcc47 520 */
vipinranka 12:9a20164dcc47 521 __STATIC_INLINE int __memory_section(uint32_t *descriptor_l1, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner)
vipinranka 12:9a20164dcc47 522 {
vipinranka 12:9a20164dcc47 523 *descriptor_l1 &= SECTION_TEXCB_MASK;
vipinranka 12:9a20164dcc47 524
vipinranka 12:9a20164dcc47 525 if (STRONGLY_ORDERED == mem)
vipinranka 12:9a20164dcc47 526 {
vipinranka 12:9a20164dcc47 527 return 0;
vipinranka 12:9a20164dcc47 528 }
vipinranka 12:9a20164dcc47 529 else if (SHARED_DEVICE == mem)
vipinranka 12:9a20164dcc47 530 {
vipinranka 12:9a20164dcc47 531 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
vipinranka 12:9a20164dcc47 532 }
vipinranka 12:9a20164dcc47 533 else if (NON_SHARED_DEVICE == mem)
vipinranka 12:9a20164dcc47 534 {
vipinranka 12:9a20164dcc47 535 *descriptor_l1 |= (1 << SECTION_TEX1_SHIFT);
vipinranka 12:9a20164dcc47 536 }
vipinranka 12:9a20164dcc47 537 else if (NORMAL == mem)
vipinranka 12:9a20164dcc47 538 {
vipinranka 12:9a20164dcc47 539 *descriptor_l1 |= 1 << SECTION_TEX2_SHIFT;
vipinranka 12:9a20164dcc47 540 switch(inner)
vipinranka 12:9a20164dcc47 541 {
vipinranka 12:9a20164dcc47 542 case NON_CACHEABLE:
vipinranka 12:9a20164dcc47 543 break;
vipinranka 12:9a20164dcc47 544 case WB_WA:
vipinranka 12:9a20164dcc47 545 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
vipinranka 12:9a20164dcc47 546 break;
vipinranka 12:9a20164dcc47 547 case WT:
vipinranka 12:9a20164dcc47 548 *descriptor_l1 |= 1 << SECTION_C_SHIFT;
vipinranka 12:9a20164dcc47 549 break;
vipinranka 12:9a20164dcc47 550 case WB_NO_WA:
vipinranka 12:9a20164dcc47 551 *descriptor_l1 |= (1 << SECTION_B_SHIFT) | (1 << SECTION_C_SHIFT);
vipinranka 12:9a20164dcc47 552 break;
vipinranka 12:9a20164dcc47 553 }
vipinranka 12:9a20164dcc47 554 switch(outer)
vipinranka 12:9a20164dcc47 555 {
vipinranka 12:9a20164dcc47 556 case NON_CACHEABLE:
vipinranka 12:9a20164dcc47 557 break;
vipinranka 12:9a20164dcc47 558 case WB_WA:
vipinranka 12:9a20164dcc47 559 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT);
vipinranka 12:9a20164dcc47 560 break;
vipinranka 12:9a20164dcc47 561 case WT:
vipinranka 12:9a20164dcc47 562 *descriptor_l1 |= 1 << SECTION_TEX1_SHIFT;
vipinranka 12:9a20164dcc47 563 break;
vipinranka 12:9a20164dcc47 564 case WB_NO_WA:
vipinranka 12:9a20164dcc47 565 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT) | (1 << SECTION_TEX0_SHIFT);
vipinranka 12:9a20164dcc47 566 break;
vipinranka 12:9a20164dcc47 567 }
vipinranka 12:9a20164dcc47 568 }
vipinranka 12:9a20164dcc47 569
vipinranka 12:9a20164dcc47 570 return 0;
vipinranka 12:9a20164dcc47 571 }
vipinranka 12:9a20164dcc47 572
vipinranka 12:9a20164dcc47 573 /** \brief Set 4k/64k page memory attributes
vipinranka 12:9a20164dcc47 574
vipinranka 12:9a20164dcc47 575 The function sets 4k/64k page memory attributes
vipinranka 12:9a20164dcc47 576
vipinranka 12:9a20164dcc47 577 \param [out] descriptor_l2 L2 descriptor.
vipinranka 12:9a20164dcc47 578 \param [in] mem 4k/64k page memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
vipinranka 12:9a20164dcc47 579 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
vipinranka 12:9a20164dcc47 580 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
vipinranka 12:9a20164dcc47 581
vipinranka 12:9a20164dcc47 582 \return 0
vipinranka 12:9a20164dcc47 583 */
vipinranka 12:9a20164dcc47 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)
vipinranka 12:9a20164dcc47 585 {
vipinranka 12:9a20164dcc47 586 *descriptor_l2 &= PAGE_4K_TEXCB_MASK;
vipinranka 12:9a20164dcc47 587
vipinranka 12:9a20164dcc47 588 if (page == PAGE_64k)
vipinranka 12:9a20164dcc47 589 {
vipinranka 12:9a20164dcc47 590 //same as section
vipinranka 12:9a20164dcc47 591 __memory_section(descriptor_l2, mem, outer, inner);
vipinranka 12:9a20164dcc47 592 }
vipinranka 12:9a20164dcc47 593 else
vipinranka 12:9a20164dcc47 594 {
vipinranka 12:9a20164dcc47 595 if (STRONGLY_ORDERED == mem)
vipinranka 12:9a20164dcc47 596 {
vipinranka 12:9a20164dcc47 597 return 0;
vipinranka 12:9a20164dcc47 598 }
vipinranka 12:9a20164dcc47 599 else if (SHARED_DEVICE == mem)
vipinranka 12:9a20164dcc47 600 {
vipinranka 12:9a20164dcc47 601 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
vipinranka 12:9a20164dcc47 602 }
vipinranka 12:9a20164dcc47 603 else if (NON_SHARED_DEVICE == mem)
vipinranka 12:9a20164dcc47 604 {
vipinranka 12:9a20164dcc47 605 *descriptor_l2 |= (1 << PAGE_4K_TEX1_SHIFT);
vipinranka 12:9a20164dcc47 606 }
vipinranka 12:9a20164dcc47 607 else if (NORMAL == mem)
vipinranka 12:9a20164dcc47 608 {
vipinranka 12:9a20164dcc47 609 *descriptor_l2 |= 1 << PAGE_4K_TEX2_SHIFT;
vipinranka 12:9a20164dcc47 610 switch(inner)
vipinranka 12:9a20164dcc47 611 {
vipinranka 12:9a20164dcc47 612 case NON_CACHEABLE:
vipinranka 12:9a20164dcc47 613 break;
vipinranka 12:9a20164dcc47 614 case WB_WA:
vipinranka 12:9a20164dcc47 615 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
vipinranka 12:9a20164dcc47 616 break;
vipinranka 12:9a20164dcc47 617 case WT:
vipinranka 12:9a20164dcc47 618 *descriptor_l2 |= 1 << PAGE_4K_C_SHIFT;
vipinranka 12:9a20164dcc47 619 break;
vipinranka 12:9a20164dcc47 620 case WB_NO_WA:
vipinranka 12:9a20164dcc47 621 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT) | (1 << PAGE_4K_C_SHIFT);
vipinranka 12:9a20164dcc47 622 break;
vipinranka 12:9a20164dcc47 623 }
vipinranka 12:9a20164dcc47 624 switch(outer)
vipinranka 12:9a20164dcc47 625 {
vipinranka 12:9a20164dcc47 626 case NON_CACHEABLE:
vipinranka 12:9a20164dcc47 627 break;
vipinranka 12:9a20164dcc47 628 case WB_WA:
vipinranka 12:9a20164dcc47 629 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT);
vipinranka 12:9a20164dcc47 630 break;
vipinranka 12:9a20164dcc47 631 case WT:
vipinranka 12:9a20164dcc47 632 *descriptor_l2 |= 1 << PAGE_4K_TEX1_SHIFT;
vipinranka 12:9a20164dcc47 633 break;
vipinranka 12:9a20164dcc47 634 case WB_NO_WA:
vipinranka 12:9a20164dcc47 635 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT) | (1 << PAGE_4K_TEX0_SHIFT);
vipinranka 12:9a20164dcc47 636 break;
vipinranka 12:9a20164dcc47 637 }
vipinranka 12:9a20164dcc47 638 }
vipinranka 12:9a20164dcc47 639 }
vipinranka 12:9a20164dcc47 640
vipinranka 12:9a20164dcc47 641 return 0;
vipinranka 12:9a20164dcc47 642 }
vipinranka 12:9a20164dcc47 643
vipinranka 12:9a20164dcc47 644 /** \brief Create a L1 section descriptor
vipinranka 12:9a20164dcc47 645
vipinranka 12:9a20164dcc47 646 The function creates a section descriptor.
vipinranka 12:9a20164dcc47 647
vipinranka 12:9a20164dcc47 648 Assumptions:
vipinranka 12:9a20164dcc47 649 - 16MB super sections not supported
vipinranka 12:9a20164dcc47 650 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
vipinranka 12:9a20164dcc47 651 - Functions always return 0
vipinranka 12:9a20164dcc47 652
vipinranka 12:9a20164dcc47 653 \param [out] descriptor L1 descriptor
vipinranka 12:9a20164dcc47 654 \param [out] descriptor2 L2 descriptor
vipinranka 12:9a20164dcc47 655 \param [in] reg Section attributes
vipinranka 12:9a20164dcc47 656
vipinranka 12:9a20164dcc47 657 \return 0
vipinranka 12:9a20164dcc47 658 */
vipinranka 12:9a20164dcc47 659 __STATIC_INLINE int __get_section_descriptor(uint32_t *descriptor, mmu_region_attributes_Type reg)
vipinranka 12:9a20164dcc47 660 {
vipinranka 12:9a20164dcc47 661 *descriptor = 0;
vipinranka 12:9a20164dcc47 662
vipinranka 12:9a20164dcc47 663 __memory_section(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t);
vipinranka 12:9a20164dcc47 664 __xn_section(descriptor,reg.xn_t);
vipinranka 12:9a20164dcc47 665 __domain_section(descriptor, reg.domain);
vipinranka 12:9a20164dcc47 666 __p_section(descriptor, reg.e_t);
vipinranka 12:9a20164dcc47 667 __ap_section(descriptor, reg.priv_t, reg.user_t, 1);
vipinranka 12:9a20164dcc47 668 __shared_section(descriptor,reg.sh_t);
vipinranka 12:9a20164dcc47 669 __global_section(descriptor,reg.g_t);
vipinranka 12:9a20164dcc47 670 __secure_section(descriptor,reg.sec_t);
vipinranka 12:9a20164dcc47 671 *descriptor &= SECTION_MASK;
vipinranka 12:9a20164dcc47 672 *descriptor |= SECTION_DESCRIPTOR;
vipinranka 12:9a20164dcc47 673
vipinranka 12:9a20164dcc47 674 return 0;
vipinranka 12:9a20164dcc47 675
vipinranka 12:9a20164dcc47 676 }
vipinranka 12:9a20164dcc47 677
vipinranka 12:9a20164dcc47 678
vipinranka 12:9a20164dcc47 679 /** \brief Create a L1 and L2 4k/64k page descriptor
vipinranka 12:9a20164dcc47 680
vipinranka 12:9a20164dcc47 681 The function creates a 4k/64k page descriptor.
vipinranka 12:9a20164dcc47 682 Assumptions:
vipinranka 12:9a20164dcc47 683 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
vipinranka 12:9a20164dcc47 684 - Functions always return 0
vipinranka 12:9a20164dcc47 685
vipinranka 12:9a20164dcc47 686 \param [out] descriptor L1 descriptor
vipinranka 12:9a20164dcc47 687 \param [out] descriptor2 L2 descriptor
vipinranka 12:9a20164dcc47 688 \param [in] reg 4k/64k page attributes
vipinranka 12:9a20164dcc47 689
vipinranka 12:9a20164dcc47 690 \return 0
vipinranka 12:9a20164dcc47 691 */
vipinranka 12:9a20164dcc47 692 __STATIC_INLINE int __get_page_descriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg)
vipinranka 12:9a20164dcc47 693 {
vipinranka 12:9a20164dcc47 694 *descriptor = 0;
vipinranka 12:9a20164dcc47 695 *descriptor2 = 0;
vipinranka 12:9a20164dcc47 696
vipinranka 12:9a20164dcc47 697 switch (reg.rg_t)
vipinranka 12:9a20164dcc47 698 {
vipinranka 12:9a20164dcc47 699 case PAGE_4k:
vipinranka 12:9a20164dcc47 700 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k);
vipinranka 12:9a20164dcc47 701 __xn_page(descriptor2, reg.xn_t, PAGE_4k);
vipinranka 12:9a20164dcc47 702 __domain_page(descriptor, reg.domain);
vipinranka 12:9a20164dcc47 703 __p_page(descriptor, reg.e_t);
vipinranka 12:9a20164dcc47 704 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
vipinranka 12:9a20164dcc47 705 __shared_page(descriptor2,reg.sh_t);
vipinranka 12:9a20164dcc47 706 __global_page(descriptor2,reg.g_t);
vipinranka 12:9a20164dcc47 707 __secure_page(descriptor,reg.sec_t);
vipinranka 12:9a20164dcc47 708 *descriptor &= PAGE_L1_MASK;
vipinranka 12:9a20164dcc47 709 *descriptor |= PAGE_L1_DESCRIPTOR;
vipinranka 12:9a20164dcc47 710 *descriptor2 &= PAGE_L2_4K_MASK;
vipinranka 12:9a20164dcc47 711 *descriptor2 |= PAGE_L2_4K_DESC;
vipinranka 12:9a20164dcc47 712 break;
vipinranka 12:9a20164dcc47 713
vipinranka 12:9a20164dcc47 714 case PAGE_64k:
vipinranka 12:9a20164dcc47 715 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k);
vipinranka 12:9a20164dcc47 716 __xn_page(descriptor2, reg.xn_t, PAGE_64k);
vipinranka 12:9a20164dcc47 717 __domain_page(descriptor, reg.domain);
vipinranka 12:9a20164dcc47 718 __p_page(descriptor, reg.e_t);
vipinranka 12:9a20164dcc47 719 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
vipinranka 12:9a20164dcc47 720 __shared_page(descriptor2,reg.sh_t);
vipinranka 12:9a20164dcc47 721 __global_page(descriptor2,reg.g_t);
vipinranka 12:9a20164dcc47 722 __secure_page(descriptor,reg.sec_t);
vipinranka 12:9a20164dcc47 723 *descriptor &= PAGE_L1_MASK;
vipinranka 12:9a20164dcc47 724 *descriptor |= PAGE_L1_DESCRIPTOR;
vipinranka 12:9a20164dcc47 725 *descriptor2 &= PAGE_L2_64K_MASK;
vipinranka 12:9a20164dcc47 726 *descriptor2 |= PAGE_L2_64K_DESC;
vipinranka 12:9a20164dcc47 727 break;
vipinranka 12:9a20164dcc47 728
vipinranka 12:9a20164dcc47 729 case SECTION:
vipinranka 12:9a20164dcc47 730 //error
vipinranka 12:9a20164dcc47 731 break;
vipinranka 12:9a20164dcc47 732
vipinranka 12:9a20164dcc47 733 }
vipinranka 12:9a20164dcc47 734
vipinranka 12:9a20164dcc47 735 return 0;
vipinranka 12:9a20164dcc47 736
vipinranka 12:9a20164dcc47 737 }
vipinranka 12:9a20164dcc47 738
vipinranka 12:9a20164dcc47 739 /** \brief Create a 1MB Section
vipinranka 12:9a20164dcc47 740
vipinranka 12:9a20164dcc47 741 \param [in] ttb Translation table base address
vipinranka 12:9a20164dcc47 742 \param [in] base_address Section base address
vipinranka 12:9a20164dcc47 743 \param [in] count Number of sections to create
vipinranka 12:9a20164dcc47 744 \param [in] descriptor_l1 L1 descriptor (region attributes)
vipinranka 12:9a20164dcc47 745
vipinranka 12:9a20164dcc47 746 */
vipinranka 12:9a20164dcc47 747 __STATIC_INLINE void __TTSection(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1)
vipinranka 12:9a20164dcc47 748 {
vipinranka 12:9a20164dcc47 749 uint32_t offset;
vipinranka 12:9a20164dcc47 750 uint32_t entry;
vipinranka 12:9a20164dcc47 751 uint32_t i;
vipinranka 12:9a20164dcc47 752
vipinranka 12:9a20164dcc47 753 offset = base_address >> 20;
vipinranka 12:9a20164dcc47 754 entry = (base_address & 0xFFF00000) | descriptor_l1;
vipinranka 12:9a20164dcc47 755
vipinranka 12:9a20164dcc47 756 //4 bytes aligned
vipinranka 12:9a20164dcc47 757 ttb = ttb + offset;
vipinranka 12:9a20164dcc47 758
vipinranka 12:9a20164dcc47 759 for (i = 0; i < count; i++ )
vipinranka 12:9a20164dcc47 760 {
vipinranka 12:9a20164dcc47 761 //4 bytes aligned
vipinranka 12:9a20164dcc47 762 *ttb++ = entry;
vipinranka 12:9a20164dcc47 763 entry += OFFSET_1M;
vipinranka 12:9a20164dcc47 764 }
vipinranka 12:9a20164dcc47 765 }
vipinranka 12:9a20164dcc47 766
vipinranka 12:9a20164dcc47 767 /** \brief Create a 4k page entry
vipinranka 12:9a20164dcc47 768
vipinranka 12:9a20164dcc47 769 \param [in] ttb L1 table base address
vipinranka 12:9a20164dcc47 770 \param [in] base_address 4k base address
vipinranka 12:9a20164dcc47 771 \param [in] count Number of 4k pages to create
vipinranka 12:9a20164dcc47 772 \param [in] descriptor_l1 L1 descriptor (region attributes)
vipinranka 12:9a20164dcc47 773 \param [in] ttb_l2 L2 table base address
vipinranka 12:9a20164dcc47 774 \param [in] descriptor_l2 L2 descriptor (region attributes)
vipinranka 12:9a20164dcc47 775
vipinranka 12:9a20164dcc47 776 */
vipinranka 12:9a20164dcc47 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 )
vipinranka 12:9a20164dcc47 778 {
vipinranka 12:9a20164dcc47 779
vipinranka 12:9a20164dcc47 780 uint32_t offset, offset2;
vipinranka 12:9a20164dcc47 781 uint32_t entry, entry2;
vipinranka 12:9a20164dcc47 782 uint32_t i;
vipinranka 12:9a20164dcc47 783
vipinranka 12:9a20164dcc47 784
vipinranka 12:9a20164dcc47 785 offset = base_address >> 20;
vipinranka 12:9a20164dcc47 786 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
vipinranka 12:9a20164dcc47 787
vipinranka 12:9a20164dcc47 788 //4 bytes aligned
vipinranka 12:9a20164dcc47 789 ttb += offset;
vipinranka 12:9a20164dcc47 790 //create l1_entry
vipinranka 12:9a20164dcc47 791 *ttb = entry;
vipinranka 12:9a20164dcc47 792
vipinranka 12:9a20164dcc47 793 offset2 = (base_address & 0xff000) >> 12;
vipinranka 12:9a20164dcc47 794 ttb_l2 += offset2;
vipinranka 12:9a20164dcc47 795 entry2 = (base_address & 0xFFFFF000) | descriptor_l2;
vipinranka 12:9a20164dcc47 796 for (i = 0; i < count; i++ )
vipinranka 12:9a20164dcc47 797 {
vipinranka 12:9a20164dcc47 798 //4 bytes aligned
vipinranka 12:9a20164dcc47 799 *ttb_l2++ = entry2;
vipinranka 12:9a20164dcc47 800 entry2 += OFFSET_4K;
vipinranka 12:9a20164dcc47 801 }
vipinranka 12:9a20164dcc47 802 }
vipinranka 12:9a20164dcc47 803
vipinranka 12:9a20164dcc47 804 /** \brief Create a 64k page entry
vipinranka 12:9a20164dcc47 805
vipinranka 12:9a20164dcc47 806 \param [in] ttb L1 table base address
vipinranka 12:9a20164dcc47 807 \param [in] base_address 64k base address
vipinranka 12:9a20164dcc47 808 \param [in] count Number of 64k pages to create
vipinranka 12:9a20164dcc47 809 \param [in] descriptor_l1 L1 descriptor (region attributes)
vipinranka 12:9a20164dcc47 810 \param [in] ttb_l2 L2 table base address
vipinranka 12:9a20164dcc47 811 \param [in] descriptor_l2 L2 descriptor (region attributes)
vipinranka 12:9a20164dcc47 812
vipinranka 12:9a20164dcc47 813 */
vipinranka 12:9a20164dcc47 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 )
vipinranka 12:9a20164dcc47 815 {
vipinranka 12:9a20164dcc47 816 uint32_t offset, offset2;
vipinranka 12:9a20164dcc47 817 uint32_t entry, entry2;
vipinranka 12:9a20164dcc47 818 uint32_t i,j;
vipinranka 12:9a20164dcc47 819
vipinranka 12:9a20164dcc47 820
vipinranka 12:9a20164dcc47 821 offset = base_address >> 20;
vipinranka 12:9a20164dcc47 822 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
vipinranka 12:9a20164dcc47 823
vipinranka 12:9a20164dcc47 824 //4 bytes aligned
vipinranka 12:9a20164dcc47 825 ttb += offset;
vipinranka 12:9a20164dcc47 826 //create l1_entry
vipinranka 12:9a20164dcc47 827 *ttb = entry;
vipinranka 12:9a20164dcc47 828
vipinranka 12:9a20164dcc47 829 offset2 = (base_address & 0xff000) >> 12;
vipinranka 12:9a20164dcc47 830 ttb_l2 += offset2;
vipinranka 12:9a20164dcc47 831 entry2 = (base_address & 0xFFFF0000) | descriptor_l2;
vipinranka 12:9a20164dcc47 832 for (i = 0; i < count; i++ )
vipinranka 12:9a20164dcc47 833 {
vipinranka 12:9a20164dcc47 834 //create 16 entries
vipinranka 12:9a20164dcc47 835 for (j = 0; j < 16; j++)
vipinranka 12:9a20164dcc47 836 //4 bytes aligned
vipinranka 12:9a20164dcc47 837 *ttb_l2++ = entry2;
vipinranka 12:9a20164dcc47 838 entry2 += OFFSET_64K;
vipinranka 12:9a20164dcc47 839 }
vipinranka 12:9a20164dcc47 840 }
vipinranka 12:9a20164dcc47 841
vipinranka 12:9a20164dcc47 842 /*@} end of MMU_Functions */
vipinranka 12:9a20164dcc47 843 #endif
vipinranka 12:9a20164dcc47 844
vipinranka 12:9a20164dcc47 845 #ifdef __cplusplus
vipinranka 12:9a20164dcc47 846 }
vipinranka 12:9a20164dcc47 847 #endif