mbed official / mbed

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

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mbed 2

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

TARGET_NUCLEO_F746ZG/core_ca_mmu.h@138:093f2bd7b9eb, 2017-03-14 (annotated)

Committer:
<>
Date:
Tue Mar 14 16:20:51 2017 +0000
Revision:
138:093f2bd7b9eb
Parent:
115:87f2f5183dfb 
Release 138 of the mbed library



Ports for Upcoming Targets





Fixes and Changes



3716: fix for issue #3715: correction in startup files for ARM and IAR, alignment of system_stm32f429xx.c files https://github.com/ARMmbed/mbed-os/pull/3716

3741: STM32 remove warning in hal_tick_32b.c file https://github.com/ARMmbed/mbed-os/pull/3741

3780: STM32L4 : Fix GPIO G port compatibility https://github.com/ARMmbed/mbed-os/pull/3780

3831: NCS36510: SPISLAVE enabled (Conflict resolved) https://github.com/ARMmbed/mbed-os/pull/3831

3836: Allow to redefine nRF's PSTORAGE_NUM_OF_PAGES outside of the mbed-os https://github.com/ARMmbed/mbed-os/pull/3836

3840: STM32: gpio SPEED - always set High Speed by default https://github.com/ARMmbed/mbed-os/pull/3840

3844: STM32 GPIO: Typo correction. Update comment (GPIO_IP_WITHOUT_BRR) https://github.com/ARMmbed/mbed-os/pull/3844

3850: STM32: change spi error to debug warning https://github.com/ARMmbed/mbed-os/pull/3850

3860: Define GPIO_IP_WITHOUT_BRR for xDot platform https://github.com/ARMmbed/mbed-os/pull/3860

3880: DISCO_F469NI: allow the use of CAN2 instance when CAN1 is not activated https://github.com/ARMmbed/mbed-os/pull/3880

3795: Fix pwm period calc https://github.com/ARMmbed/mbed-os/pull/3795

3828: STM32 CAN API: correct format and type https://github.com/ARMmbed/mbed-os/pull/3828

3842: TARGET_NRF: corrected spi_init() to properly handle re-initialization https://github.com/ARMmbed/mbed-os/pull/3842

3843: STM32L476xG: set APB2 clock to 80MHz (instead of 40MHz) https://github.com/ARMmbed/mbed-os/pull/3843

3879: NUCLEO_F446ZE: Add missing AnalogIn pins on PF_3, PF_5 and PF_10. https://github.com/ARMmbed/mbed-os/pull/3879

3902: Fix heap and stack size for NUCLEO_F746ZG https://github.com/ARMmbed/mbed-os/pull/3902

3829: can_write(): return error code when no tx mailboxes are available https://github.com/ARMmbed/mbed-os/pull/3829

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 115:87f2f5183dfb 1 ;/**************************************************************************//**
Kojto 115:87f2f5183dfb 2 ; * @file core_ca_mmu.h
Kojto 115:87f2f5183dfb 3 ; * @brief MMU Startup File for A9_MP Device Series
Kojto 115:87f2f5183dfb 4 ; * @version V1.01
Kojto 115:87f2f5183dfb 5 ; * @date 10 Sept 2014
Kojto 115:87f2f5183dfb 6 ; *
Kojto 115:87f2f5183dfb 7 ; * @note
Kojto 115:87f2f5183dfb 8 ; *
Kojto 115:87f2f5183dfb 9 ; ******************************************************************************/
Kojto 115:87f2f5183dfb 10 ;/* Copyright (c) 2012-2014 ARM LIMITED
Kojto 115:87f2f5183dfb 11 ;
Kojto 115:87f2f5183dfb 12 ; All rights reserved.
Kojto 115:87f2f5183dfb 13 ; Redistribution and use in source and binary forms, with or without
Kojto 115:87f2f5183dfb 14 ; modification, are permitted provided that the following conditions are met:
Kojto 115:87f2f5183dfb 15 ; - Redistributions of source code must retain the above copyright
Kojto 115:87f2f5183dfb 16 ; notice, this list of conditions and the following disclaimer.
Kojto 115:87f2f5183dfb 17 ; - Redistributions in binary form must reproduce the above copyright
Kojto 115:87f2f5183dfb 18 ; notice, this list of conditions and the following disclaimer in the
Kojto 115:87f2f5183dfb 19 ; documentation and/or other materials provided with the distribution.
Kojto 115:87f2f5183dfb 20 ; - Neither the name of ARM nor the names of its contributors may be used
Kojto 115:87f2f5183dfb 21 ; to endorse or promote products derived from this software without
Kojto 115:87f2f5183dfb 22 ; specific prior written permission.
Kojto 115:87f2f5183dfb 23 ; *
Kojto 115:87f2f5183dfb 24 ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Kojto 115:87f2f5183dfb 25 ; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Kojto 115:87f2f5183dfb 26 ; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
Kojto 115:87f2f5183dfb 27 ; ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
Kojto 115:87f2f5183dfb 28 ; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
Kojto 115:87f2f5183dfb 29 ; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
Kojto 115:87f2f5183dfb 30 ; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
Kojto 115:87f2f5183dfb 31 ; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
Kojto 115:87f2f5183dfb 32 ; CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
Kojto 115:87f2f5183dfb 33 ; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
Kojto 115:87f2f5183dfb 34 ; POSSIBILITY OF SUCH DAMAGE.
Kojto 115:87f2f5183dfb 35 ; ---------------------------------------------------------------------------*/
Kojto 115:87f2f5183dfb 36
Kojto 115:87f2f5183dfb 37 #ifdef __cplusplus
Kojto 115:87f2f5183dfb 38 extern "C" {
Kojto 115:87f2f5183dfb 39 #endif
Kojto 115:87f2f5183dfb 40
Kojto 115:87f2f5183dfb 41 #ifndef _MMU_FUNC_H
Kojto 115:87f2f5183dfb 42 #define _MMU_FUNC_H
Kojto 115:87f2f5183dfb 43
Kojto 115:87f2f5183dfb 44 #define SECTION_DESCRIPTOR (0x2)
Kojto 115:87f2f5183dfb 45 #define SECTION_MASK (0xFFFFFFFC)
Kojto 115:87f2f5183dfb 46
Kojto 115:87f2f5183dfb 47 #define SECTION_TEXCB_MASK (0xFFFF8FF3)
Kojto 115:87f2f5183dfb 48 #define SECTION_B_SHIFT (2)
Kojto 115:87f2f5183dfb 49 #define SECTION_C_SHIFT (3)
Kojto 115:87f2f5183dfb 50 #define SECTION_TEX0_SHIFT (12)
Kojto 115:87f2f5183dfb 51 #define SECTION_TEX1_SHIFT (13)
Kojto 115:87f2f5183dfb 52 #define SECTION_TEX2_SHIFT (14)
Kojto 115:87f2f5183dfb 53
Kojto 115:87f2f5183dfb 54 #define SECTION_XN_MASK (0xFFFFFFEF)
Kojto 115:87f2f5183dfb 55 #define SECTION_XN_SHIFT (4)
Kojto 115:87f2f5183dfb 56
Kojto 115:87f2f5183dfb 57 #define SECTION_DOMAIN_MASK (0xFFFFFE1F)
Kojto 115:87f2f5183dfb 58 #define SECTION_DOMAIN_SHIFT (5)
Kojto 115:87f2f5183dfb 59
Kojto 115:87f2f5183dfb 60 #define SECTION_P_MASK (0xFFFFFDFF)
Kojto 115:87f2f5183dfb 61 #define SECTION_P_SHIFT (9)
Kojto 115:87f2f5183dfb 62
Kojto 115:87f2f5183dfb 63 #define SECTION_AP_MASK (0xFFFF73FF)
Kojto 115:87f2f5183dfb 64 #define SECTION_AP_SHIFT (10)
Kojto 115:87f2f5183dfb 65 #define SECTION_AP2_SHIFT (15)
Kojto 115:87f2f5183dfb 66
Kojto 115:87f2f5183dfb 67 #define SECTION_S_MASK (0xFFFEFFFF)
Kojto 115:87f2f5183dfb 68 #define SECTION_S_SHIFT (16)
Kojto 115:87f2f5183dfb 69
Kojto 115:87f2f5183dfb 70 #define SECTION_NG_MASK (0xFFFDFFFF)
Kojto 115:87f2f5183dfb 71 #define SECTION_NG_SHIFT (17)
Kojto 115:87f2f5183dfb 72
Kojto 115:87f2f5183dfb 73 #define SECTION_NS_MASK (0xFFF7FFFF)
Kojto 115:87f2f5183dfb 74 #define SECTION_NS_SHIFT (19)
Kojto 115:87f2f5183dfb 75
Kojto 115:87f2f5183dfb 76
Kojto 115:87f2f5183dfb 77 #define PAGE_L1_DESCRIPTOR (0x1)
Kojto 115:87f2f5183dfb 78 #define PAGE_L1_MASK (0xFFFFFFFC)
Kojto 115:87f2f5183dfb 79
Kojto 115:87f2f5183dfb 80 #define PAGE_L2_4K_DESC (0x2)
Kojto 115:87f2f5183dfb 81 #define PAGE_L2_4K_MASK (0xFFFFFFFD)
Kojto 115:87f2f5183dfb 82
Kojto 115:87f2f5183dfb 83 #define PAGE_L2_64K_DESC (0x1)
Kojto 115:87f2f5183dfb 84 #define PAGE_L2_64K_MASK (0xFFFFFFFC)
Kojto 115:87f2f5183dfb 85
Kojto 115:87f2f5183dfb 86 #define PAGE_4K_TEXCB_MASK (0xFFFFFE33)
Kojto 115:87f2f5183dfb 87 #define PAGE_4K_B_SHIFT (2)
Kojto 115:87f2f5183dfb 88 #define PAGE_4K_C_SHIFT (3)
Kojto 115:87f2f5183dfb 89 #define PAGE_4K_TEX0_SHIFT (6)
Kojto 115:87f2f5183dfb 90 #define PAGE_4K_TEX1_SHIFT (7)
Kojto 115:87f2f5183dfb 91 #define PAGE_4K_TEX2_SHIFT (8)
Kojto 115:87f2f5183dfb 92
Kojto 115:87f2f5183dfb 93 #define PAGE_64K_TEXCB_MASK (0xFFFF8FF3)
Kojto 115:87f2f5183dfb 94 #define PAGE_64K_B_SHIFT (2)
Kojto 115:87f2f5183dfb 95 #define PAGE_64K_C_SHIFT (3)
Kojto 115:87f2f5183dfb 96 #define PAGE_64K_TEX0_SHIFT (12)
Kojto 115:87f2f5183dfb 97 #define PAGE_64K_TEX1_SHIFT (13)
Kojto 115:87f2f5183dfb 98 #define PAGE_64K_TEX2_SHIFT (14)
Kojto 115:87f2f5183dfb 99
Kojto 115:87f2f5183dfb 100 #define PAGE_TEXCB_MASK (0xFFFF8FF3)
Kojto 115:87f2f5183dfb 101 #define PAGE_B_SHIFT (2)
Kojto 115:87f2f5183dfb 102 #define PAGE_C_SHIFT (3)
Kojto 115:87f2f5183dfb 103 #define PAGE_TEX_SHIFT (12)
Kojto 115:87f2f5183dfb 104
Kojto 115:87f2f5183dfb 105 #define PAGE_XN_4K_MASK (0xFFFFFFFE)
Kojto 115:87f2f5183dfb 106 #define PAGE_XN_4K_SHIFT (0)
Kojto 115:87f2f5183dfb 107 #define PAGE_XN_64K_MASK (0xFFFF7FFF)
Kojto 115:87f2f5183dfb 108 #define PAGE_XN_64K_SHIFT (15)
Kojto 115:87f2f5183dfb 109
Kojto 115:87f2f5183dfb 110
Kojto 115:87f2f5183dfb 111 #define PAGE_DOMAIN_MASK (0xFFFFFE1F)
Kojto 115:87f2f5183dfb 112 #define PAGE_DOMAIN_SHIFT (5)
Kojto 115:87f2f5183dfb 113
Kojto 115:87f2f5183dfb 114 #define PAGE_P_MASK (0xFFFFFDFF)
Kojto 115:87f2f5183dfb 115 #define PAGE_P_SHIFT (9)
Kojto 115:87f2f5183dfb 116
Kojto 115:87f2f5183dfb 117 #define PAGE_AP_MASK (0xFFFFFDCF)
Kojto 115:87f2f5183dfb 118 #define PAGE_AP_SHIFT (4)
Kojto 115:87f2f5183dfb 119 #define PAGE_AP2_SHIFT (9)
Kojto 115:87f2f5183dfb 120
Kojto 115:87f2f5183dfb 121 #define PAGE_S_MASK (0xFFFFFBFF)
Kojto 115:87f2f5183dfb 122 #define PAGE_S_SHIFT (10)
Kojto 115:87f2f5183dfb 123
Kojto 115:87f2f5183dfb 124 #define PAGE_NG_MASK (0xFFFFF7FF)
Kojto 115:87f2f5183dfb 125 #define PAGE_NG_SHIFT (11)
Kojto 115:87f2f5183dfb 126
Kojto 115:87f2f5183dfb 127 #define PAGE_NS_MASK (0xFFFFFFF7)
Kojto 115:87f2f5183dfb 128 #define PAGE_NS_SHIFT (3)
Kojto 115:87f2f5183dfb 129
Kojto 115:87f2f5183dfb 130 #define OFFSET_1M (0x00100000)
Kojto 115:87f2f5183dfb 131 #define OFFSET_64K (0x00010000)
Kojto 115:87f2f5183dfb 132 #define OFFSET_4K (0x00001000)
Kojto 115:87f2f5183dfb 133
Kojto 115:87f2f5183dfb 134 #define DESCRIPTOR_FAULT (0x00000000)
Kojto 115:87f2f5183dfb 135
Kojto 115:87f2f5183dfb 136 /* ########################### MMU Function Access ########################### */
Kojto 115:87f2f5183dfb 137 /** \ingroup MMU_FunctionInterface
Kojto 115:87f2f5183dfb 138 \defgroup MMU_Functions MMU Functions Interface
Kojto 115:87f2f5183dfb 139 @{
Kojto 115:87f2f5183dfb 140 */
Kojto 115:87f2f5183dfb 141
Kojto 115:87f2f5183dfb 142 /* Attributes enumerations */
Kojto 115:87f2f5183dfb 143
Kojto 115:87f2f5183dfb 144 /* Region size attributes */
Kojto 115:87f2f5183dfb 145 typedef enum
Kojto 115:87f2f5183dfb 146 {
Kojto 115:87f2f5183dfb 147 SECTION,
Kojto 115:87f2f5183dfb 148 PAGE_4k,
Kojto 115:87f2f5183dfb 149 PAGE_64k,
Kojto 115:87f2f5183dfb 150 } mmu_region_size_Type;
Kojto 115:87f2f5183dfb 151
Kojto 115:87f2f5183dfb 152 /* Region type attributes */
Kojto 115:87f2f5183dfb 153 typedef enum
Kojto 115:87f2f5183dfb 154 {
Kojto 115:87f2f5183dfb 155 NORMAL,
Kojto 115:87f2f5183dfb 156 DEVICE,
Kojto 115:87f2f5183dfb 157 SHARED_DEVICE,
Kojto 115:87f2f5183dfb 158 NON_SHARED_DEVICE,
Kojto 115:87f2f5183dfb 159 STRONGLY_ORDERED
Kojto 115:87f2f5183dfb 160 } mmu_memory_Type;
Kojto 115:87f2f5183dfb 161
Kojto 115:87f2f5183dfb 162 /* Region cacheability attributes */
Kojto 115:87f2f5183dfb 163 typedef enum
Kojto 115:87f2f5183dfb 164 {
Kojto 115:87f2f5183dfb 165 NON_CACHEABLE,
Kojto 115:87f2f5183dfb 166 WB_WA,
Kojto 115:87f2f5183dfb 167 WT,
Kojto 115:87f2f5183dfb 168 WB_NO_WA,
Kojto 115:87f2f5183dfb 169 } mmu_cacheability_Type;
Kojto 115:87f2f5183dfb 170
Kojto 115:87f2f5183dfb 171 /* Region parity check attributes */
Kojto 115:87f2f5183dfb 172 typedef enum
Kojto 115:87f2f5183dfb 173 {
Kojto 115:87f2f5183dfb 174 ECC_DISABLED,
Kojto 115:87f2f5183dfb 175 ECC_ENABLED,
Kojto 115:87f2f5183dfb 176 } mmu_ecc_check_Type;
Kojto 115:87f2f5183dfb 177
Kojto 115:87f2f5183dfb 178 /* Region execution attributes */
Kojto 115:87f2f5183dfb 179 typedef enum
Kojto 115:87f2f5183dfb 180 {
Kojto 115:87f2f5183dfb 181 EXECUTE,
Kojto 115:87f2f5183dfb 182 NON_EXECUTE,
Kojto 115:87f2f5183dfb 183 } mmu_execute_Type;
Kojto 115:87f2f5183dfb 184
Kojto 115:87f2f5183dfb 185 /* Region global attributes */
Kojto 115:87f2f5183dfb 186 typedef enum
Kojto 115:87f2f5183dfb 187 {
Kojto 115:87f2f5183dfb 188 GLOBAL,
Kojto 115:87f2f5183dfb 189 NON_GLOBAL,
Kojto 115:87f2f5183dfb 190 } mmu_global_Type;
Kojto 115:87f2f5183dfb 191
Kojto 115:87f2f5183dfb 192 /* Region shareability attributes */
Kojto 115:87f2f5183dfb 193 typedef enum
Kojto 115:87f2f5183dfb 194 {
Kojto 115:87f2f5183dfb 195 NON_SHARED,
Kojto 115:87f2f5183dfb 196 SHARED,
Kojto 115:87f2f5183dfb 197 } mmu_shared_Type;
Kojto 115:87f2f5183dfb 198
Kojto 115:87f2f5183dfb 199 /* Region security attributes */
Kojto 115:87f2f5183dfb 200 typedef enum
Kojto 115:87f2f5183dfb 201 {
Kojto 115:87f2f5183dfb 202 SECURE,
Kojto 115:87f2f5183dfb 203 NON_SECURE,
Kojto 115:87f2f5183dfb 204 } mmu_secure_Type;
Kojto 115:87f2f5183dfb 205
Kojto 115:87f2f5183dfb 206 /* Region access attributes */
Kojto 115:87f2f5183dfb 207 typedef enum
Kojto 115:87f2f5183dfb 208 {
Kojto 115:87f2f5183dfb 209 NO_ACCESS,
Kojto 115:87f2f5183dfb 210 RW,
Kojto 115:87f2f5183dfb 211 READ,
Kojto 115:87f2f5183dfb 212 } mmu_access_Type;
Kojto 115:87f2f5183dfb 213
Kojto 115:87f2f5183dfb 214 /* Memory Region definition */
Kojto 115:87f2f5183dfb 215 typedef struct RegionStruct {
Kojto 115:87f2f5183dfb 216 mmu_region_size_Type rg_t;
Kojto 115:87f2f5183dfb 217 mmu_memory_Type mem_t;
Kojto 115:87f2f5183dfb 218 uint8_t domain;
Kojto 115:87f2f5183dfb 219 mmu_cacheability_Type inner_norm_t;
Kojto 115:87f2f5183dfb 220 mmu_cacheability_Type outer_norm_t;
Kojto 115:87f2f5183dfb 221 mmu_ecc_check_Type e_t;
Kojto 115:87f2f5183dfb 222 mmu_execute_Type xn_t;
Kojto 115:87f2f5183dfb 223 mmu_global_Type g_t;
Kojto 115:87f2f5183dfb 224 mmu_secure_Type sec_t;
Kojto 115:87f2f5183dfb 225 mmu_access_Type priv_t;
Kojto 115:87f2f5183dfb 226 mmu_access_Type user_t;
Kojto 115:87f2f5183dfb 227 mmu_shared_Type sh_t;
Kojto 115:87f2f5183dfb 228
Kojto 115:87f2f5183dfb 229 } mmu_region_attributes_Type;
Kojto 115:87f2f5183dfb 230
Kojto 115:87f2f5183dfb 231 /** \brief Set section execution-never attribute
Kojto 115:87f2f5183dfb 232
Kojto 115:87f2f5183dfb 233 The function sets section execution-never attribute
Kojto 115:87f2f5183dfb 234
Kojto 115:87f2f5183dfb 235 \param [out] descriptor_l1 L1 descriptor.
Kojto 115:87f2f5183dfb 236 \param [in] xn Section execution-never attribute : EXECUTE , NON_EXECUTE.
Kojto 115:87f2f5183dfb 237
Kojto 115:87f2f5183dfb 238 \return 0
Kojto 115:87f2f5183dfb 239 */
Kojto 115:87f2f5183dfb 240 __STATIC_INLINE int __xn_section(uint32_t *descriptor_l1, mmu_execute_Type xn)
Kojto 115:87f2f5183dfb 241 {
Kojto 115:87f2f5183dfb 242 *descriptor_l1 &= SECTION_XN_MASK;
Kojto 115:87f2f5183dfb 243 *descriptor_l1 |= ((xn & 0x1) << SECTION_XN_SHIFT);
Kojto 115:87f2f5183dfb 244 return 0;
Kojto 115:87f2f5183dfb 245 }
Kojto 115:87f2f5183dfb 246
Kojto 115:87f2f5183dfb 247 /** \brief Set section domain
Kojto 115:87f2f5183dfb 248
Kojto 115:87f2f5183dfb 249 The function sets section domain
Kojto 115:87f2f5183dfb 250
Kojto 115:87f2f5183dfb 251 \param [out] descriptor_l1 L1 descriptor.
Kojto 115:87f2f5183dfb 252 \param [in] domain Section domain
Kojto 115:87f2f5183dfb 253
Kojto 115:87f2f5183dfb 254 \return 0
Kojto 115:87f2f5183dfb 255 */
Kojto 115:87f2f5183dfb 256 __STATIC_INLINE int __domain_section(uint32_t *descriptor_l1, uint8_t domain)
Kojto 115:87f2f5183dfb 257 {
Kojto 115:87f2f5183dfb 258 *descriptor_l1 &= SECTION_DOMAIN_MASK;
Kojto 115:87f2f5183dfb 259 *descriptor_l1 |= ((domain & 0xF) << SECTION_DOMAIN_SHIFT);
Kojto 115:87f2f5183dfb 260 return 0;
Kojto 115:87f2f5183dfb 261 }
Kojto 115:87f2f5183dfb 262
Kojto 115:87f2f5183dfb 263 /** \brief Set section parity check
Kojto 115:87f2f5183dfb 264
Kojto 115:87f2f5183dfb 265 The function sets section parity check
Kojto 115:87f2f5183dfb 266
Kojto 115:87f2f5183dfb 267 \param [out] descriptor_l1 L1 descriptor.
Kojto 115:87f2f5183dfb 268 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
Kojto 115:87f2f5183dfb 269
Kojto 115:87f2f5183dfb 270 \return 0
Kojto 115:87f2f5183dfb 271 */
Kojto 115:87f2f5183dfb 272 __STATIC_INLINE int __p_section(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
Kojto 115:87f2f5183dfb 273 {
Kojto 115:87f2f5183dfb 274 *descriptor_l1 &= SECTION_P_MASK;
Kojto 115:87f2f5183dfb 275 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
Kojto 115:87f2f5183dfb 276 return 0;
Kojto 115:87f2f5183dfb 277 }
Kojto 115:87f2f5183dfb 278
Kojto 115:87f2f5183dfb 279 /** \brief Set section access privileges
Kojto 115:87f2f5183dfb 280
Kojto 115:87f2f5183dfb 281 The function sets section access privileges
Kojto 115:87f2f5183dfb 282
Kojto 115:87f2f5183dfb 283 \param [out] descriptor_l1 L1 descriptor.
Kojto 115:87f2f5183dfb 284 \param [in] user User Level Access: NO_ACCESS, RW, READ
Kojto 115:87f2f5183dfb 285 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
Kojto 115:87f2f5183dfb 286 \param [in] afe Access flag enable
Kojto 115:87f2f5183dfb 287
Kojto 115:87f2f5183dfb 288 \return 0
Kojto 115:87f2f5183dfb 289 */
Kojto 115:87f2f5183dfb 290 __STATIC_INLINE int __ap_section(uint32_t *descriptor_l1, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
Kojto 115:87f2f5183dfb 291 {
Kojto 115:87f2f5183dfb 292 uint32_t ap = 0;
Kojto 115:87f2f5183dfb 293
Kojto 115:87f2f5183dfb 294 if (afe == 0) { //full access
Kojto 115:87f2f5183dfb 295 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
Kojto 115:87f2f5183dfb 296 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Kojto 115:87f2f5183dfb 297 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
Kojto 115:87f2f5183dfb 298 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Kojto 115:87f2f5183dfb 299 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Kojto 115:87f2f5183dfb 300 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
Kojto 115:87f2f5183dfb 301 }
Kojto 115:87f2f5183dfb 302
Kojto 115:87f2f5183dfb 303 else { //Simplified access
Kojto 115:87f2f5183dfb 304 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Kojto 115:87f2f5183dfb 305 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Kojto 115:87f2f5183dfb 306 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Kojto 115:87f2f5183dfb 307 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
Kojto 115:87f2f5183dfb 308 }
Kojto 115:87f2f5183dfb 309
Kojto 115:87f2f5183dfb 310 *descriptor_l1 &= SECTION_AP_MASK;
Kojto 115:87f2f5183dfb 311 *descriptor_l1 |= (ap & 0x3) << SECTION_AP_SHIFT;
Kojto 115:87f2f5183dfb 312 *descriptor_l1 |= ((ap & 0x4)>>2) << SECTION_AP2_SHIFT;
Kojto 115:87f2f5183dfb 313
Kojto 115:87f2f5183dfb 314 return 0;
Kojto 115:87f2f5183dfb 315 }
Kojto 115:87f2f5183dfb 316
Kojto 115:87f2f5183dfb 317 /** \brief Set section shareability
Kojto 115:87f2f5183dfb 318
Kojto 115:87f2f5183dfb 319 The function sets section shareability
Kojto 115:87f2f5183dfb 320
Kojto 115:87f2f5183dfb 321 \param [out] descriptor_l1 L1 descriptor.
Kojto 115:87f2f5183dfb 322 \param [in] s_bit Section shareability: NON_SHARED, SHARED
Kojto 115:87f2f5183dfb 323
Kojto 115:87f2f5183dfb 324 \return 0
Kojto 115:87f2f5183dfb 325 */
Kojto 115:87f2f5183dfb 326 __STATIC_INLINE int __shared_section(uint32_t *descriptor_l1, mmu_shared_Type s_bit)
Kojto 115:87f2f5183dfb 327 {
Kojto 115:87f2f5183dfb 328 *descriptor_l1 &= SECTION_S_MASK;
Kojto 115:87f2f5183dfb 329 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_S_SHIFT);
Kojto 115:87f2f5183dfb 330 return 0;
Kojto 115:87f2f5183dfb 331 }
Kojto 115:87f2f5183dfb 332
Kojto 115:87f2f5183dfb 333 /** \brief Set section Global attribute
Kojto 115:87f2f5183dfb 334
Kojto 115:87f2f5183dfb 335 The function sets section Global attribute
Kojto 115:87f2f5183dfb 336
Kojto 115:87f2f5183dfb 337 \param [out] descriptor_l1 L1 descriptor.
Kojto 115:87f2f5183dfb 338 \param [in] g_bit Section attribute: GLOBAL, NON_GLOBAL
Kojto 115:87f2f5183dfb 339
Kojto 115:87f2f5183dfb 340 \return 0
Kojto 115:87f2f5183dfb 341 */
Kojto 115:87f2f5183dfb 342 __STATIC_INLINE int __global_section(uint32_t *descriptor_l1, mmu_global_Type g_bit)
Kojto 115:87f2f5183dfb 343 {
Kojto 115:87f2f5183dfb 344 *descriptor_l1 &= SECTION_NG_MASK;
Kojto 115:87f2f5183dfb 345 *descriptor_l1 |= ((g_bit & 0x1) << SECTION_NG_SHIFT);
Kojto 115:87f2f5183dfb 346 return 0;
Kojto 115:87f2f5183dfb 347 }
Kojto 115:87f2f5183dfb 348
Kojto 115:87f2f5183dfb 349 /** \brief Set section Security attribute
Kojto 115:87f2f5183dfb 350
Kojto 115:87f2f5183dfb 351 The function sets section Global attribute
Kojto 115:87f2f5183dfb 352
Kojto 115:87f2f5183dfb 353 \param [out] descriptor_l1 L1 descriptor.
Kojto 115:87f2f5183dfb 354 \param [in] s_bit Section Security attribute: SECURE, NON_SECURE
Kojto 115:87f2f5183dfb 355
Kojto 115:87f2f5183dfb 356 \return 0
Kojto 115:87f2f5183dfb 357 */
Kojto 115:87f2f5183dfb 358 __STATIC_INLINE int __secure_section(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
Kojto 115:87f2f5183dfb 359 {
Kojto 115:87f2f5183dfb 360 *descriptor_l1 &= SECTION_NS_MASK;
Kojto 115:87f2f5183dfb 361 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_NS_SHIFT);
Kojto 115:87f2f5183dfb 362 return 0;
Kojto 115:87f2f5183dfb 363 }
Kojto 115:87f2f5183dfb 364
Kojto 115:87f2f5183dfb 365 /* Page 4k or 64k */
Kojto 115:87f2f5183dfb 366 /** \brief Set 4k/64k page execution-never attribute
Kojto 115:87f2f5183dfb 367
Kojto 115:87f2f5183dfb 368 The function sets 4k/64k page execution-never attribute
Kojto 115:87f2f5183dfb 369
Kojto 115:87f2f5183dfb 370 \param [out] descriptor_l2 L2 descriptor.
Kojto 115:87f2f5183dfb 371 \param [in] xn Page execution-never attribute : EXECUTE , NON_EXECUTE.
Kojto 115:87f2f5183dfb 372 \param [in] page Page size: PAGE_4k, PAGE_64k,
Kojto 115:87f2f5183dfb 373
Kojto 115:87f2f5183dfb 374 \return 0
Kojto 115:87f2f5183dfb 375 */
Kojto 115:87f2f5183dfb 376 __STATIC_INLINE int __xn_page(uint32_t *descriptor_l2, mmu_execute_Type xn, mmu_region_size_Type page)
Kojto 115:87f2f5183dfb 377 {
Kojto 115:87f2f5183dfb 378 if (page == PAGE_4k)
Kojto 115:87f2f5183dfb 379 {
Kojto 115:87f2f5183dfb 380 *descriptor_l2 &= PAGE_XN_4K_MASK;
Kojto 115:87f2f5183dfb 381 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_4K_SHIFT);
Kojto 115:87f2f5183dfb 382 }
Kojto 115:87f2f5183dfb 383 else
Kojto 115:87f2f5183dfb 384 {
Kojto 115:87f2f5183dfb 385 *descriptor_l2 &= PAGE_XN_64K_MASK;
Kojto 115:87f2f5183dfb 386 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_64K_SHIFT);
Kojto 115:87f2f5183dfb 387 }
Kojto 115:87f2f5183dfb 388 return 0;
Kojto 115:87f2f5183dfb 389 }
Kojto 115:87f2f5183dfb 390
Kojto 115:87f2f5183dfb 391 /** \brief Set 4k/64k page domain
Kojto 115:87f2f5183dfb 392
Kojto 115:87f2f5183dfb 393 The function sets 4k/64k page domain
Kojto 115:87f2f5183dfb 394
Kojto 115:87f2f5183dfb 395 \param [out] descriptor_l1 L1 descriptor.
Kojto 115:87f2f5183dfb 396 \param [in] domain Page domain
Kojto 115:87f2f5183dfb 397
Kojto 115:87f2f5183dfb 398 \return 0
Kojto 115:87f2f5183dfb 399 */
Kojto 115:87f2f5183dfb 400 __STATIC_INLINE int __domain_page(uint32_t *descriptor_l1, uint8_t domain)
Kojto 115:87f2f5183dfb 401 {
Kojto 115:87f2f5183dfb 402 *descriptor_l1 &= PAGE_DOMAIN_MASK;
Kojto 115:87f2f5183dfb 403 *descriptor_l1 |= ((domain & 0xf) << PAGE_DOMAIN_SHIFT);
Kojto 115:87f2f5183dfb 404 return 0;
Kojto 115:87f2f5183dfb 405 }
Kojto 115:87f2f5183dfb 406
Kojto 115:87f2f5183dfb 407 /** \brief Set 4k/64k page parity check
Kojto 115:87f2f5183dfb 408
Kojto 115:87f2f5183dfb 409 The function sets 4k/64k page parity check
Kojto 115:87f2f5183dfb 410
Kojto 115:87f2f5183dfb 411 \param [out] descriptor_l1 L1 descriptor.
Kojto 115:87f2f5183dfb 412 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
Kojto 115:87f2f5183dfb 413
Kojto 115:87f2f5183dfb 414 \return 0
Kojto 115:87f2f5183dfb 415 */
Kojto 115:87f2f5183dfb 416 __STATIC_INLINE int __p_page(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
Kojto 115:87f2f5183dfb 417 {
Kojto 115:87f2f5183dfb 418 *descriptor_l1 &= SECTION_P_MASK;
Kojto 115:87f2f5183dfb 419 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
Kojto 115:87f2f5183dfb 420 return 0;
Kojto 115:87f2f5183dfb 421 }
Kojto 115:87f2f5183dfb 422
Kojto 115:87f2f5183dfb 423 /** \brief Set 4k/64k page access privileges
Kojto 115:87f2f5183dfb 424
Kojto 115:87f2f5183dfb 425 The function sets 4k/64k page access privileges
Kojto 115:87f2f5183dfb 426
Kojto 115:87f2f5183dfb 427 \param [out] descriptor_l2 L2 descriptor.
Kojto 115:87f2f5183dfb 428 \param [in] user User Level Access: NO_ACCESS, RW, READ
Kojto 115:87f2f5183dfb 429 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
Kojto 115:87f2f5183dfb 430 \param [in] afe Access flag enable
Kojto 115:87f2f5183dfb 431
Kojto 115:87f2f5183dfb 432 \return 0
Kojto 115:87f2f5183dfb 433 */
Kojto 115:87f2f5183dfb 434 __STATIC_INLINE int __ap_page(uint32_t *descriptor_l2, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
Kojto 115:87f2f5183dfb 435 {
Kojto 115:87f2f5183dfb 436 uint32_t ap = 0;
Kojto 115:87f2f5183dfb 437
Kojto 115:87f2f5183dfb 438 if (afe == 0) { //full access
Kojto 115:87f2f5183dfb 439 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
Kojto 115:87f2f5183dfb 440 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Kojto 115:87f2f5183dfb 441 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
Kojto 115:87f2f5183dfb 442 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Kojto 115:87f2f5183dfb 443 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Kojto 115:87f2f5183dfb 444 else if ((priv == READ) && (user == READ)) { ap = 0x6; }
Kojto 115:87f2f5183dfb 445 }
Kojto 115:87f2f5183dfb 446
Kojto 115:87f2f5183dfb 447 else { //Simplified access
Kojto 115:87f2f5183dfb 448 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
Kojto 115:87f2f5183dfb 449 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
Kojto 115:87f2f5183dfb 450 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
Kojto 115:87f2f5183dfb 451 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
Kojto 115:87f2f5183dfb 452 }
Kojto 115:87f2f5183dfb 453
Kojto 115:87f2f5183dfb 454 *descriptor_l2 &= PAGE_AP_MASK;
Kojto 115:87f2f5183dfb 455 *descriptor_l2 |= (ap & 0x3) << PAGE_AP_SHIFT;
Kojto 115:87f2f5183dfb 456 *descriptor_l2 |= ((ap & 0x4)>>2) << PAGE_AP2_SHIFT;
Kojto 115:87f2f5183dfb 457
Kojto 115:87f2f5183dfb 458 return 0;
Kojto 115:87f2f5183dfb 459 }
Kojto 115:87f2f5183dfb 460
Kojto 115:87f2f5183dfb 461 /** \brief Set 4k/64k page shareability
Kojto 115:87f2f5183dfb 462
Kojto 115:87f2f5183dfb 463 The function sets 4k/64k page shareability
Kojto 115:87f2f5183dfb 464
Kojto 115:87f2f5183dfb 465 \param [out] descriptor_l2 L2 descriptor.
Kojto 115:87f2f5183dfb 466 \param [in] s_bit 4k/64k page shareability: NON_SHARED, SHARED
Kojto 115:87f2f5183dfb 467
Kojto 115:87f2f5183dfb 468 \return 0
Kojto 115:87f2f5183dfb 469 */
Kojto 115:87f2f5183dfb 470 __STATIC_INLINE int __shared_page(uint32_t *descriptor_l2, mmu_shared_Type s_bit)
Kojto 115:87f2f5183dfb 471 {
Kojto 115:87f2f5183dfb 472 *descriptor_l2 &= PAGE_S_MASK;
Kojto 115:87f2f5183dfb 473 *descriptor_l2 |= ((s_bit & 0x1) << PAGE_S_SHIFT);
Kojto 115:87f2f5183dfb 474 return 0;
Kojto 115:87f2f5183dfb 475 }
Kojto 115:87f2f5183dfb 476
Kojto 115:87f2f5183dfb 477 /** \brief Set 4k/64k page Global attribute
Kojto 115:87f2f5183dfb 478
Kojto 115:87f2f5183dfb 479 The function sets 4k/64k page Global attribute
Kojto 115:87f2f5183dfb 480
Kojto 115:87f2f5183dfb 481 \param [out] descriptor_l2 L2 descriptor.
Kojto 115:87f2f5183dfb 482 \param [in] g_bit 4k/64k page attribute: GLOBAL, NON_GLOBAL
Kojto 115:87f2f5183dfb 483
Kojto 115:87f2f5183dfb 484 \return 0
Kojto 115:87f2f5183dfb 485 */
Kojto 115:87f2f5183dfb 486 __STATIC_INLINE int __global_page(uint32_t *descriptor_l2, mmu_global_Type g_bit)
Kojto 115:87f2f5183dfb 487 {
Kojto 115:87f2f5183dfb 488 *descriptor_l2 &= PAGE_NG_MASK;
Kojto 115:87f2f5183dfb 489 *descriptor_l2 |= ((g_bit & 0x1) << PAGE_NG_SHIFT);
Kojto 115:87f2f5183dfb 490 return 0;
Kojto 115:87f2f5183dfb 491 }
Kojto 115:87f2f5183dfb 492
Kojto 115:87f2f5183dfb 493 /** \brief Set 4k/64k page Security attribute
Kojto 115:87f2f5183dfb 494
Kojto 115:87f2f5183dfb 495 The function sets 4k/64k page Global attribute
Kojto 115:87f2f5183dfb 496
Kojto 115:87f2f5183dfb 497 \param [out] descriptor_l1 L1 descriptor.
Kojto 115:87f2f5183dfb 498 \param [in] s_bit 4k/64k page Security attribute: SECURE, NON_SECURE
Kojto 115:87f2f5183dfb 499
Kojto 115:87f2f5183dfb 500 \return 0
Kojto 115:87f2f5183dfb 501 */
Kojto 115:87f2f5183dfb 502 __STATIC_INLINE int __secure_page(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
Kojto 115:87f2f5183dfb 503 {
Kojto 115:87f2f5183dfb 504 *descriptor_l1 &= PAGE_NS_MASK;
Kojto 115:87f2f5183dfb 505 *descriptor_l1 |= ((s_bit & 0x1) << PAGE_NS_SHIFT);
Kojto 115:87f2f5183dfb 506 return 0;
Kojto 115:87f2f5183dfb 507 }
Kojto 115:87f2f5183dfb 508
Kojto 115:87f2f5183dfb 509
Kojto 115:87f2f5183dfb 510 /** \brief Set Section memory attributes
Kojto 115:87f2f5183dfb 511
Kojto 115:87f2f5183dfb 512 The function sets section memory attributes
Kojto 115:87f2f5183dfb 513
Kojto 115:87f2f5183dfb 514 \param [out] descriptor_l1 L1 descriptor.
Kojto 115:87f2f5183dfb 515 \param [in] mem Section memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
Kojto 115:87f2f5183dfb 516 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Kojto 115:87f2f5183dfb 517 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Kojto 115:87f2f5183dfb 518
Kojto 115:87f2f5183dfb 519 \return 0
Kojto 115:87f2f5183dfb 520 */
Kojto 115:87f2f5183dfb 521 __STATIC_INLINE int __memory_section(uint32_t *descriptor_l1, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner)
Kojto 115:87f2f5183dfb 522 {
Kojto 115:87f2f5183dfb 523 *descriptor_l1 &= SECTION_TEXCB_MASK;
Kojto 115:87f2f5183dfb 524
Kojto 115:87f2f5183dfb 525 if (STRONGLY_ORDERED == mem)
Kojto 115:87f2f5183dfb 526 {
Kojto 115:87f2f5183dfb 527 return 0;
Kojto 115:87f2f5183dfb 528 }
Kojto 115:87f2f5183dfb 529 else if (SHARED_DEVICE == mem)
Kojto 115:87f2f5183dfb 530 {
Kojto 115:87f2f5183dfb 531 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
Kojto 115:87f2f5183dfb 532 }
Kojto 115:87f2f5183dfb 533 else if (NON_SHARED_DEVICE == mem)
Kojto 115:87f2f5183dfb 534 {
Kojto 115:87f2f5183dfb 535 *descriptor_l1 |= (1 << SECTION_TEX1_SHIFT);
Kojto 115:87f2f5183dfb 536 }
Kojto 115:87f2f5183dfb 537 else if (NORMAL == mem)
Kojto 115:87f2f5183dfb 538 {
Kojto 115:87f2f5183dfb 539 *descriptor_l1 |= 1 << SECTION_TEX2_SHIFT;
Kojto 115:87f2f5183dfb 540 switch(inner)
Kojto 115:87f2f5183dfb 541 {
Kojto 115:87f2f5183dfb 542 case NON_CACHEABLE:
Kojto 115:87f2f5183dfb 543 break;
Kojto 115:87f2f5183dfb 544 case WB_WA:
Kojto 115:87f2f5183dfb 545 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
Kojto 115:87f2f5183dfb 546 break;
Kojto 115:87f2f5183dfb 547 case WT:
Kojto 115:87f2f5183dfb 548 *descriptor_l1 |= 1 << SECTION_C_SHIFT;
Kojto 115:87f2f5183dfb 549 break;
Kojto 115:87f2f5183dfb 550 case WB_NO_WA:
Kojto 115:87f2f5183dfb 551 *descriptor_l1 |= (1 << SECTION_B_SHIFT) | (1 << SECTION_C_SHIFT);
Kojto 115:87f2f5183dfb 552 break;
Kojto 115:87f2f5183dfb 553 }
Kojto 115:87f2f5183dfb 554 switch(outer)
Kojto 115:87f2f5183dfb 555 {
Kojto 115:87f2f5183dfb 556 case NON_CACHEABLE:
Kojto 115:87f2f5183dfb 557 break;
Kojto 115:87f2f5183dfb 558 case WB_WA:
Kojto 115:87f2f5183dfb 559 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT);
Kojto 115:87f2f5183dfb 560 break;
Kojto 115:87f2f5183dfb 561 case WT:
Kojto 115:87f2f5183dfb 562 *descriptor_l1 |= 1 << SECTION_TEX1_SHIFT;
Kojto 115:87f2f5183dfb 563 break;
Kojto 115:87f2f5183dfb 564 case WB_NO_WA:
Kojto 115:87f2f5183dfb 565 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT) | (1 << SECTION_TEX0_SHIFT);
Kojto 115:87f2f5183dfb 566 break;
Kojto 115:87f2f5183dfb 567 }
Kojto 115:87f2f5183dfb 568 }
Kojto 115:87f2f5183dfb 569
Kojto 115:87f2f5183dfb 570 return 0;
Kojto 115:87f2f5183dfb 571 }
Kojto 115:87f2f5183dfb 572
Kojto 115:87f2f5183dfb 573 /** \brief Set 4k/64k page memory attributes
Kojto 115:87f2f5183dfb 574
Kojto 115:87f2f5183dfb 575 The function sets 4k/64k page memory attributes
Kojto 115:87f2f5183dfb 576
Kojto 115:87f2f5183dfb 577 \param [out] descriptor_l2 L2 descriptor.
Kojto 115:87f2f5183dfb 578 \param [in] mem 4k/64k page memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
Kojto 115:87f2f5183dfb 579 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Kojto 115:87f2f5183dfb 580 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
Kojto 115:87f2f5183dfb 581
Kojto 115:87f2f5183dfb 582 \return 0
Kojto 115:87f2f5183dfb 583 */
Kojto 115:87f2f5183dfb 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)
Kojto 115:87f2f5183dfb 585 {
Kojto 115:87f2f5183dfb 586 *descriptor_l2 &= PAGE_4K_TEXCB_MASK;
Kojto 115:87f2f5183dfb 587
Kojto 115:87f2f5183dfb 588 if (page == PAGE_64k)
Kojto 115:87f2f5183dfb 589 {
Kojto 115:87f2f5183dfb 590 //same as section
Kojto 115:87f2f5183dfb 591 __memory_section(descriptor_l2, mem, outer, inner);
Kojto 115:87f2f5183dfb 592 }
Kojto 115:87f2f5183dfb 593 else
Kojto 115:87f2f5183dfb 594 {
Kojto 115:87f2f5183dfb 595 if (STRONGLY_ORDERED == mem)
Kojto 115:87f2f5183dfb 596 {
Kojto 115:87f2f5183dfb 597 return 0;
Kojto 115:87f2f5183dfb 598 }
Kojto 115:87f2f5183dfb 599 else if (SHARED_DEVICE == mem)
Kojto 115:87f2f5183dfb 600 {
Kojto 115:87f2f5183dfb 601 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
Kojto 115:87f2f5183dfb 602 }
Kojto 115:87f2f5183dfb 603 else if (NON_SHARED_DEVICE == mem)
Kojto 115:87f2f5183dfb 604 {
Kojto 115:87f2f5183dfb 605 *descriptor_l2 |= (1 << PAGE_4K_TEX1_SHIFT);
Kojto 115:87f2f5183dfb 606 }
Kojto 115:87f2f5183dfb 607 else if (NORMAL == mem)
Kojto 115:87f2f5183dfb 608 {
Kojto 115:87f2f5183dfb 609 *descriptor_l2 |= 1 << PAGE_4K_TEX2_SHIFT;
Kojto 115:87f2f5183dfb 610 switch(inner)
Kojto 115:87f2f5183dfb 611 {
Kojto 115:87f2f5183dfb 612 case NON_CACHEABLE:
Kojto 115:87f2f5183dfb 613 break;
Kojto 115:87f2f5183dfb 614 case WB_WA:
Kojto 115:87f2f5183dfb 615 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
Kojto 115:87f2f5183dfb 616 break;
Kojto 115:87f2f5183dfb 617 case WT:
Kojto 115:87f2f5183dfb 618 *descriptor_l2 |= 1 << PAGE_4K_C_SHIFT;
Kojto 115:87f2f5183dfb 619 break;
Kojto 115:87f2f5183dfb 620 case WB_NO_WA:
Kojto 115:87f2f5183dfb 621 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT) | (1 << PAGE_4K_C_SHIFT);
Kojto 115:87f2f5183dfb 622 break;
Kojto 115:87f2f5183dfb 623 }
Kojto 115:87f2f5183dfb 624 switch(outer)
Kojto 115:87f2f5183dfb 625 {
Kojto 115:87f2f5183dfb 626 case NON_CACHEABLE:
Kojto 115:87f2f5183dfb 627 break;
Kojto 115:87f2f5183dfb 628 case WB_WA:
Kojto 115:87f2f5183dfb 629 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT);
Kojto 115:87f2f5183dfb 630 break;
Kojto 115:87f2f5183dfb 631 case WT:
Kojto 115:87f2f5183dfb 632 *descriptor_l2 |= 1 << PAGE_4K_TEX1_SHIFT;
Kojto 115:87f2f5183dfb 633 break;
Kojto 115:87f2f5183dfb 634 case WB_NO_WA:
Kojto 115:87f2f5183dfb 635 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT) | (1 << PAGE_4K_TEX0_SHIFT);
Kojto 115:87f2f5183dfb 636 break;
Kojto 115:87f2f5183dfb 637 }
Kojto 115:87f2f5183dfb 638 }
Kojto 115:87f2f5183dfb 639 }
Kojto 115:87f2f5183dfb 640
Kojto 115:87f2f5183dfb 641 return 0;
Kojto 115:87f2f5183dfb 642 }
Kojto 115:87f2f5183dfb 643
Kojto 115:87f2f5183dfb 644 /** \brief Create a L1 section descriptor
Kojto 115:87f2f5183dfb 645
Kojto 115:87f2f5183dfb 646 The function creates a section descriptor.
Kojto 115:87f2f5183dfb 647
Kojto 115:87f2f5183dfb 648 Assumptions:
Kojto 115:87f2f5183dfb 649 - 16MB super sections not supported
Kojto 115:87f2f5183dfb 650 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
Kojto 115:87f2f5183dfb 651 - Functions always return 0
Kojto 115:87f2f5183dfb 652
Kojto 115:87f2f5183dfb 653 \param [out] descriptor L1 descriptor
Kojto 115:87f2f5183dfb 654 \param [out] descriptor2 L2 descriptor
Kojto 115:87f2f5183dfb 655 \param [in] reg Section attributes
Kojto 115:87f2f5183dfb 656
Kojto 115:87f2f5183dfb 657 \return 0
Kojto 115:87f2f5183dfb 658 */
Kojto 115:87f2f5183dfb 659 __STATIC_INLINE int __get_section_descriptor(uint32_t *descriptor, mmu_region_attributes_Type reg)
Kojto 115:87f2f5183dfb 660 {
Kojto 115:87f2f5183dfb 661 *descriptor = 0;
Kojto 115:87f2f5183dfb 662
Kojto 115:87f2f5183dfb 663 __memory_section(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t);
Kojto 115:87f2f5183dfb 664 __xn_section(descriptor,reg.xn_t);
Kojto 115:87f2f5183dfb 665 __domain_section(descriptor, reg.domain);
Kojto 115:87f2f5183dfb 666 __p_section(descriptor, reg.e_t);
Kojto 115:87f2f5183dfb 667 __ap_section(descriptor, reg.priv_t, reg.user_t, 1);
Kojto 115:87f2f5183dfb 668 __shared_section(descriptor,reg.sh_t);
Kojto 115:87f2f5183dfb 669 __global_section(descriptor,reg.g_t);
Kojto 115:87f2f5183dfb 670 __secure_section(descriptor,reg.sec_t);
Kojto 115:87f2f5183dfb 671 *descriptor &= SECTION_MASK;
Kojto 115:87f2f5183dfb 672 *descriptor |= SECTION_DESCRIPTOR;
Kojto 115:87f2f5183dfb 673
Kojto 115:87f2f5183dfb 674 return 0;
Kojto 115:87f2f5183dfb 675
Kojto 115:87f2f5183dfb 676 }
Kojto 115:87f2f5183dfb 677
Kojto 115:87f2f5183dfb 678
Kojto 115:87f2f5183dfb 679 /** \brief Create a L1 and L2 4k/64k page descriptor
Kojto 115:87f2f5183dfb 680
Kojto 115:87f2f5183dfb 681 The function creates a 4k/64k page descriptor.
Kojto 115:87f2f5183dfb 682 Assumptions:
Kojto 115:87f2f5183dfb 683 - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
Kojto 115:87f2f5183dfb 684 - Functions always return 0
Kojto 115:87f2f5183dfb 685
Kojto 115:87f2f5183dfb 686 \param [out] descriptor L1 descriptor
Kojto 115:87f2f5183dfb 687 \param [out] descriptor2 L2 descriptor
Kojto 115:87f2f5183dfb 688 \param [in] reg 4k/64k page attributes
Kojto 115:87f2f5183dfb 689
Kojto 115:87f2f5183dfb 690 \return 0
Kojto 115:87f2f5183dfb 691 */
Kojto 115:87f2f5183dfb 692 __STATIC_INLINE int __get_page_descriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg)
Kojto 115:87f2f5183dfb 693 {
Kojto 115:87f2f5183dfb 694 *descriptor = 0;
Kojto 115:87f2f5183dfb 695 *descriptor2 = 0;
Kojto 115:87f2f5183dfb 696
Kojto 115:87f2f5183dfb 697 switch (reg.rg_t)
Kojto 115:87f2f5183dfb 698 {
Kojto 115:87f2f5183dfb 699 case PAGE_4k:
Kojto 115:87f2f5183dfb 700 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k);
Kojto 115:87f2f5183dfb 701 __xn_page(descriptor2, reg.xn_t, PAGE_4k);
Kojto 115:87f2f5183dfb 702 __domain_page(descriptor, reg.domain);
Kojto 115:87f2f5183dfb 703 __p_page(descriptor, reg.e_t);
Kojto 115:87f2f5183dfb 704 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
Kojto 115:87f2f5183dfb 705 __shared_page(descriptor2,reg.sh_t);
Kojto 115:87f2f5183dfb 706 __global_page(descriptor2,reg.g_t);
Kojto 115:87f2f5183dfb 707 __secure_page(descriptor,reg.sec_t);
Kojto 115:87f2f5183dfb 708 *descriptor &= PAGE_L1_MASK;
Kojto 115:87f2f5183dfb 709 *descriptor |= PAGE_L1_DESCRIPTOR;
Kojto 115:87f2f5183dfb 710 *descriptor2 &= PAGE_L2_4K_MASK;
Kojto 115:87f2f5183dfb 711 *descriptor2 |= PAGE_L2_4K_DESC;
Kojto 115:87f2f5183dfb 712 break;
Kojto 115:87f2f5183dfb 713
Kojto 115:87f2f5183dfb 714 case PAGE_64k:
Kojto 115:87f2f5183dfb 715 __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k);
Kojto 115:87f2f5183dfb 716 __xn_page(descriptor2, reg.xn_t, PAGE_64k);
Kojto 115:87f2f5183dfb 717 __domain_page(descriptor, reg.domain);
Kojto 115:87f2f5183dfb 718 __p_page(descriptor, reg.e_t);
Kojto 115:87f2f5183dfb 719 __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
Kojto 115:87f2f5183dfb 720 __shared_page(descriptor2,reg.sh_t);
Kojto 115:87f2f5183dfb 721 __global_page(descriptor2,reg.g_t);
Kojto 115:87f2f5183dfb 722 __secure_page(descriptor,reg.sec_t);
Kojto 115:87f2f5183dfb 723 *descriptor &= PAGE_L1_MASK;
Kojto 115:87f2f5183dfb 724 *descriptor |= PAGE_L1_DESCRIPTOR;
Kojto 115:87f2f5183dfb 725 *descriptor2 &= PAGE_L2_64K_MASK;
Kojto 115:87f2f5183dfb 726 *descriptor2 |= PAGE_L2_64K_DESC;
Kojto 115:87f2f5183dfb 727 break;
Kojto 115:87f2f5183dfb 728
Kojto 115:87f2f5183dfb 729 case SECTION:
Kojto 115:87f2f5183dfb 730 //error
Kojto 115:87f2f5183dfb 731 break;
Kojto 115:87f2f5183dfb 732
Kojto 115:87f2f5183dfb 733 }
Kojto 115:87f2f5183dfb 734
Kojto 115:87f2f5183dfb 735 return 0;
Kojto 115:87f2f5183dfb 736
Kojto 115:87f2f5183dfb 737 }
Kojto 115:87f2f5183dfb 738
Kojto 115:87f2f5183dfb 739 /** \brief Create a 1MB Section
Kojto 115:87f2f5183dfb 740
Kojto 115:87f2f5183dfb 741 \param [in] ttb Translation table base address
Kojto 115:87f2f5183dfb 742 \param [in] base_address Section base address
Kojto 115:87f2f5183dfb 743 \param [in] count Number of sections to create
Kojto 115:87f2f5183dfb 744 \param [in] descriptor_l1 L1 descriptor (region attributes)
Kojto 115:87f2f5183dfb 745
Kojto 115:87f2f5183dfb 746 */
Kojto 115:87f2f5183dfb 747 __STATIC_INLINE void __TTSection(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1)
Kojto 115:87f2f5183dfb 748 {
Kojto 115:87f2f5183dfb 749 uint32_t offset;
Kojto 115:87f2f5183dfb 750 uint32_t entry;
Kojto 115:87f2f5183dfb 751 uint32_t i;
Kojto 115:87f2f5183dfb 752
Kojto 115:87f2f5183dfb 753 offset = base_address >> 20;
Kojto 115:87f2f5183dfb 754 entry = (base_address & 0xFFF00000) | descriptor_l1;
Kojto 115:87f2f5183dfb 755
Kojto 115:87f2f5183dfb 756 //4 bytes aligned
Kojto 115:87f2f5183dfb 757 ttb = ttb + offset;
Kojto 115:87f2f5183dfb 758
Kojto 115:87f2f5183dfb 759 for (i = 0; i < count; i++ )
Kojto 115:87f2f5183dfb 760 {
Kojto 115:87f2f5183dfb 761 //4 bytes aligned
Kojto 115:87f2f5183dfb 762 *ttb++ = entry;
Kojto 115:87f2f5183dfb 763 entry += OFFSET_1M;
Kojto 115:87f2f5183dfb 764 }
Kojto 115:87f2f5183dfb 765 }
Kojto 115:87f2f5183dfb 766
Kojto 115:87f2f5183dfb 767 /** \brief Create a 4k page entry
Kojto 115:87f2f5183dfb 768
Kojto 115:87f2f5183dfb 769 \param [in] ttb L1 table base address
Kojto 115:87f2f5183dfb 770 \param [in] base_address 4k base address
Kojto 115:87f2f5183dfb 771 \param [in] count Number of 4k pages to create
Kojto 115:87f2f5183dfb 772 \param [in] descriptor_l1 L1 descriptor (region attributes)
Kojto 115:87f2f5183dfb 773 \param [in] ttb_l2 L2 table base address
Kojto 115:87f2f5183dfb 774 \param [in] descriptor_l2 L2 descriptor (region attributes)
Kojto 115:87f2f5183dfb 775
Kojto 115:87f2f5183dfb 776 */
Kojto 115:87f2f5183dfb 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 )
Kojto 115:87f2f5183dfb 778 {
Kojto 115:87f2f5183dfb 779
Kojto 115:87f2f5183dfb 780 uint32_t offset, offset2;
Kojto 115:87f2f5183dfb 781 uint32_t entry, entry2;
Kojto 115:87f2f5183dfb 782 uint32_t i;
Kojto 115:87f2f5183dfb 783
Kojto 115:87f2f5183dfb 784
Kojto 115:87f2f5183dfb 785 offset = base_address >> 20;
Kojto 115:87f2f5183dfb 786 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
Kojto 115:87f2f5183dfb 787
Kojto 115:87f2f5183dfb 788 //4 bytes aligned
Kojto 115:87f2f5183dfb 789 ttb += offset;
Kojto 115:87f2f5183dfb 790 //create l1_entry
Kojto 115:87f2f5183dfb 791 *ttb = entry;
Kojto 115:87f2f5183dfb 792
Kojto 115:87f2f5183dfb 793 offset2 = (base_address & 0xff000) >> 12;
Kojto 115:87f2f5183dfb 794 ttb_l2 += offset2;
Kojto 115:87f2f5183dfb 795 entry2 = (base_address & 0xFFFFF000) | descriptor_l2;
Kojto 115:87f2f5183dfb 796 for (i = 0; i < count; i++ )
Kojto 115:87f2f5183dfb 797 {
Kojto 115:87f2f5183dfb 798 //4 bytes aligned
Kojto 115:87f2f5183dfb 799 *ttb_l2++ = entry2;
Kojto 115:87f2f5183dfb 800 entry2 += OFFSET_4K;
Kojto 115:87f2f5183dfb 801 }
Kojto 115:87f2f5183dfb 802 }
Kojto 115:87f2f5183dfb 803
Kojto 115:87f2f5183dfb 804 /** \brief Create a 64k page entry
Kojto 115:87f2f5183dfb 805
Kojto 115:87f2f5183dfb 806 \param [in] ttb L1 table base address
Kojto 115:87f2f5183dfb 807 \param [in] base_address 64k base address
Kojto 115:87f2f5183dfb 808 \param [in] count Number of 64k pages to create
Kojto 115:87f2f5183dfb 809 \param [in] descriptor_l1 L1 descriptor (region attributes)
Kojto 115:87f2f5183dfb 810 \param [in] ttb_l2 L2 table base address
Kojto 115:87f2f5183dfb 811 \param [in] descriptor_l2 L2 descriptor (region attributes)
Kojto 115:87f2f5183dfb 812
Kojto 115:87f2f5183dfb 813 */
Kojto 115:87f2f5183dfb 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 )
Kojto 115:87f2f5183dfb 815 {
Kojto 115:87f2f5183dfb 816 uint32_t offset, offset2;
Kojto 115:87f2f5183dfb 817 uint32_t entry, entry2;
Kojto 115:87f2f5183dfb 818 uint32_t i,j;
Kojto 115:87f2f5183dfb 819
Kojto 115:87f2f5183dfb 820
Kojto 115:87f2f5183dfb 821 offset = base_address >> 20;
Kojto 115:87f2f5183dfb 822 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
Kojto 115:87f2f5183dfb 823
Kojto 115:87f2f5183dfb 824 //4 bytes aligned
Kojto 115:87f2f5183dfb 825 ttb += offset;
Kojto 115:87f2f5183dfb 826 //create l1_entry
Kojto 115:87f2f5183dfb 827 *ttb = entry;
Kojto 115:87f2f5183dfb 828
Kojto 115:87f2f5183dfb 829 offset2 = (base_address & 0xff000) >> 12;
Kojto 115:87f2f5183dfb 830 ttb_l2 += offset2;
Kojto 115:87f2f5183dfb 831 entry2 = (base_address & 0xFFFF0000) | descriptor_l2;
Kojto 115:87f2f5183dfb 832 for (i = 0; i < count; i++ )
Kojto 115:87f2f5183dfb 833 {
Kojto 115:87f2f5183dfb 834 //create 16 entries
Kojto 115:87f2f5183dfb 835 for (j = 0; j < 16; j++)
Kojto 115:87f2f5183dfb 836 //4 bytes aligned
Kojto 115:87f2f5183dfb 837 *ttb_l2++ = entry2;
Kojto 115:87f2f5183dfb 838 entry2 += OFFSET_64K;
Kojto 115:87f2f5183dfb 839 }
Kojto 115:87f2f5183dfb 840 }
Kojto 115:87f2f5183dfb 841
Kojto 115:87f2f5183dfb 842 /*@} end of MMU_Functions */
Kojto 115:87f2f5183dfb 843 #endif
Kojto 115:87f2f5183dfb 844
Kojto 115:87f2f5183dfb 845 #ifdef __cplusplus
Kojto 115:87f2f5183dfb 846 }
Kojto 115:87f2f5183dfb 847 #endif