1 /**************************************************************************//**
3 * @brief CMSIS Cortex-A Core Peripheral Access Layer Header File
6 ******************************************************************************/
8 * Copyright (c) 2009-2017 ARM Limited. All rights reserved.
10 * SPDX-License-Identifier: Apache-2.0
12 * Licensed under the Apache License, Version 2.0 (the License); you may
13 * not use this file except in compliance with the License.
14 * You may obtain a copy of the License at
16 * www.apache.org/licenses/LICENSE-2.0
18 * Unless required by applicable law or agreed to in writing, software
19 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
20 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
21 * See the License for the specific language governing permissions and
22 * limitations under the License.
25 #if defined ( __ICCARM__ )
26 #pragma system_include /* treat file as system include file for MISRA check */
27 #elif defined (__clang__)
28 #pragma clang system_header /* treat file as system include file */
31 #ifndef __CORE_CA_H_GENERIC
32 #define __CORE_CA_H_GENERIC
38 /*******************************************************************************
40 ******************************************************************************/
42 /* CMSIS CA definitions */
43 #define __CA_CMSIS_VERSION_MAIN (1U) /*!< \brief [31:16] CMSIS-Core(A) main version */
44 #define __CA_CMSIS_VERSION_SUB (1U) /*!< \brief [15:0] CMSIS-Core(A) sub version */
45 #define __CA_CMSIS_VERSION ((__CA_CMSIS_VERSION_MAIN << 16U) | \
46 __CA_CMSIS_VERSION_SUB ) /*!< \brief CMSIS-Core(A) version number */
48 #if defined ( __CC_ARM )
49 #if defined __TARGET_FPU_VFP
50 #if (__FPU_PRESENT == 1)
53 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
60 #elif defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050)
61 #if defined __ARM_PCS_VFP
62 #if defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)
65 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
72 #elif defined ( __ICCARM__ )
73 #if defined __ARMVFP__
74 #if (__FPU_PRESENT == 1)
77 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
84 #elif defined ( __TMS470__ )
85 #if defined __TI_VFP_SUPPORT__
86 #if (__FPU_PRESENT == 1)
89 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
96 #elif defined ( __GNUC__ )
97 #if defined (__VFP_FP__) && !defined(__SOFTFP__)
98 #if (__FPU_PRESENT == 1)
101 #warning "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
102 #define __FPU_USED 0U
105 #define __FPU_USED 0U
108 #elif defined ( __TASKING__ )
109 #if defined __FPU_VFP__
110 #if (__FPU_PRESENT == 1)
111 #define __FPU_USED 1U
113 #error "Compiler generates FPU instructions for a device without an FPU (check __FPU_PRESENT)"
114 #define __FPU_USED 0U
117 #define __FPU_USED 0U
121 #include "cmsis_compiler.h" /* CMSIS compiler specific defines */
127 #endif /* __CORE_CA_H_GENERIC */
129 #ifndef __CMSIS_GENERIC
131 #ifndef __CORE_CA_H_DEPENDANT
132 #define __CORE_CA_H_DEPENDANT
138 /* check device defines and use defaults */
139 #if defined __CHECK_DEVICE_DEFINES
141 #define __CA_REV 0x0000U
142 #warning "__CA_REV not defined in device header file; using default!"
145 #ifndef __FPU_PRESENT
146 #define __FPU_PRESENT 0U
147 #warning "__FPU_PRESENT not defined in device header file; using default!"
150 #ifndef __GIC_PRESENT
151 #define __GIC_PRESENT 1U
152 #warning "__GIC_PRESENT not defined in device header file; using default!"
155 #ifndef __TIM_PRESENT
156 #define __TIM_PRESENT 1U
157 #warning "__TIM_PRESENT not defined in device header file; using default!"
160 #ifndef __L2C_PRESENT
161 #define __L2C_PRESENT 0U
162 #warning "__L2C_PRESENT not defined in device header file; using default!"
166 /* IO definitions (access restrictions to peripheral registers) */
168 #define __I volatile /*!< \brief Defines 'read only' permissions */
170 #define __I volatile const /*!< \brief Defines 'read only' permissions */
172 #define __O volatile /*!< \brief Defines 'write only' permissions */
173 #define __IO volatile /*!< \brief Defines 'read / write' permissions */
175 /* following defines should be used for structure members */
176 #define __IM volatile const /*!< \brief Defines 'read only' structure member permissions */
177 #define __OM volatile /*!< \brief Defines 'write only' structure member permissions */
178 #define __IOM volatile /*!< \brief Defines 'read / write' structure member permissions */
179 #define RESERVED(N, T) T RESERVED##N; // placeholder struct members used for "reserved" areas
181 /*******************************************************************************
182 * Register Abstraction
183 Core Register contain:
186 - L2C-310 Cache Controller
187 - Generic Interrupt Controller Distributor
188 - Generic Interrupt Controller Interface
189 ******************************************************************************/
191 /* Core Register CPSR */
196 uint32_t M:5; /*!< \brief bit: 0.. 4 Mode field */
197 uint32_t T:1; /*!< \brief bit: 5 Thumb execution state bit */
198 uint32_t F:1; /*!< \brief bit: 6 FIQ mask bit */
199 uint32_t I:1; /*!< \brief bit: 7 IRQ mask bit */
200 uint32_t A:1; /*!< \brief bit: 8 Asynchronous abort mask bit */
201 uint32_t E:1; /*!< \brief bit: 9 Endianness execution state bit */
202 uint32_t IT1:6; /*!< \brief bit: 10..15 If-Then execution state bits 2-7 */
203 uint32_t GE:4; /*!< \brief bit: 16..19 Greater than or Equal flags */
204 RESERVED(0:4, uint32_t)
205 uint32_t J:1; /*!< \brief bit: 24 Jazelle bit */
206 uint32_t IT0:2; /*!< \brief bit: 25..26 If-Then execution state bits 0-1 */
207 uint32_t Q:1; /*!< \brief bit: 27 Saturation condition flag */
208 uint32_t V:1; /*!< \brief bit: 28 Overflow condition code flag */
209 uint32_t C:1; /*!< \brief bit: 29 Carry condition code flag */
210 uint32_t Z:1; /*!< \brief bit: 30 Zero condition code flag */
211 uint32_t N:1; /*!< \brief bit: 31 Negative condition code flag */
212 } b; /*!< \brief Structure used for bit access */
213 uint32_t w; /*!< \brief Type used for word access */
218 /* CPSR Register Definitions */
219 #define CPSR_N_Pos 31U /*!< \brief CPSR: N Position */
220 #define CPSR_N_Msk (1UL << CPSR_N_Pos) /*!< \brief CPSR: N Mask */
222 #define CPSR_Z_Pos 30U /*!< \brief CPSR: Z Position */
223 #define CPSR_Z_Msk (1UL << CPSR_Z_Pos) /*!< \brief CPSR: Z Mask */
225 #define CPSR_C_Pos 29U /*!< \brief CPSR: C Position */
226 #define CPSR_C_Msk (1UL << CPSR_C_Pos) /*!< \brief CPSR: C Mask */
228 #define CPSR_V_Pos 28U /*!< \brief CPSR: V Position */
229 #define CPSR_V_Msk (1UL << CPSR_V_Pos) /*!< \brief CPSR: V Mask */
231 #define CPSR_Q_Pos 27U /*!< \brief CPSR: Q Position */
232 #define CPSR_Q_Msk (1UL << CPSR_Q_Pos) /*!< \brief CPSR: Q Mask */
234 #define CPSR_IT0_Pos 25U /*!< \brief CPSR: IT0 Position */
235 #define CPSR_IT0_Msk (3UL << CPSR_IT0_Pos) /*!< \brief CPSR: IT0 Mask */
237 #define CPSR_J_Pos 24U /*!< \brief CPSR: J Position */
238 #define CPSR_J_Msk (1UL << CPSR_J_Pos) /*!< \brief CPSR: J Mask */
240 #define CPSR_GE_Pos 16U /*!< \brief CPSR: GE Position */
241 #define CPSR_GE_Msk (0xFUL << CPSR_GE_Pos) /*!< \brief CPSR: GE Mask */
243 #define CPSR_IT1_Pos 10U /*!< \brief CPSR: IT1 Position */
244 #define CPSR_IT1_Msk (0x3FUL << CPSR_IT1_Pos) /*!< \brief CPSR: IT1 Mask */
246 #define CPSR_E_Pos 9U /*!< \brief CPSR: E Position */
247 #define CPSR_E_Msk (1UL << CPSR_E_Pos) /*!< \brief CPSR: E Mask */
249 #define CPSR_A_Pos 8U /*!< \brief CPSR: A Position */
250 #define CPSR_A_Msk (1UL << CPSR_A_Pos) /*!< \brief CPSR: A Mask */
252 #define CPSR_I_Pos 7U /*!< \brief CPSR: I Position */
253 #define CPSR_I_Msk (1UL << CPSR_I_Pos) /*!< \brief CPSR: I Mask */
255 #define CPSR_F_Pos 6U /*!< \brief CPSR: F Position */
256 #define CPSR_F_Msk (1UL << CPSR_F_Pos) /*!< \brief CPSR: F Mask */
258 #define CPSR_T_Pos 5U /*!< \brief CPSR: T Position */
259 #define CPSR_T_Msk (1UL << CPSR_T_Pos) /*!< \brief CPSR: T Mask */
261 #define CPSR_M_Pos 0U /*!< \brief CPSR: M Position */
262 #define CPSR_M_Msk (0x1FUL << CPSR_M_Pos) /*!< \brief CPSR: M Mask */
264 #define CPSR_M_USR 0x10U /*!< \brief CPSR: M User mode (PL0) */
265 #define CPSR_M_FIQ 0x11U /*!< \brief CPSR: M Fast Interrupt mode (PL1) */
266 #define CPSR_M_IRQ 0x12U /*!< \brief CPSR: M Interrupt mode (PL1) */
267 #define CPSR_M_SVC 0x13U /*!< \brief CPSR: M Supervisor mode (PL1) */
268 #define CPSR_M_MON 0x16U /*!< \brief CPSR: M Monitor mode (PL1) */
269 #define CPSR_M_ABT 0x17U /*!< \brief CPSR: M Abort mode (PL1) */
270 #define CPSR_M_HYP 0x1AU /*!< \brief CPSR: M Hypervisor mode (PL2) */
271 #define CPSR_M_UND 0x1BU /*!< \brief CPSR: M Undefined mode (PL1) */
272 #define CPSR_M_SYS 0x1FU /*!< \brief CPSR: M System mode (PL1) */
274 /* CP15 Register SCTLR */
279 uint32_t M:1; /*!< \brief bit: 0 MMU enable */
280 uint32_t A:1; /*!< \brief bit: 1 Alignment check enable */
281 uint32_t C:1; /*!< \brief bit: 2 Cache enable */
282 RESERVED(0:2, uint32_t)
283 uint32_t CP15BEN:1; /*!< \brief bit: 5 CP15 barrier enable */
284 RESERVED(1:1, uint32_t)
285 uint32_t B:1; /*!< \brief bit: 7 Endianness model */
286 RESERVED(2:2, uint32_t)
287 uint32_t SW:1; /*!< \brief bit: 10 SWP and SWPB enable */
288 uint32_t Z:1; /*!< \brief bit: 11 Branch prediction enable */
289 uint32_t I:1; /*!< \brief bit: 12 Instruction cache enable */
290 uint32_t V:1; /*!< \brief bit: 13 Vectors bit */
291 uint32_t RR:1; /*!< \brief bit: 14 Round Robin select */
292 RESERVED(3:2, uint32_t)
293 uint32_t HA:1; /*!< \brief bit: 17 Hardware Access flag enable */
294 RESERVED(4:1, uint32_t)
295 uint32_t WXN:1; /*!< \brief bit: 19 Write permission implies XN */
296 uint32_t UWXN:1; /*!< \brief bit: 20 Unprivileged write permission implies PL1 XN */
297 uint32_t FI:1; /*!< \brief bit: 21 Fast interrupts configuration enable */
298 uint32_t U:1; /*!< \brief bit: 22 Alignment model */
299 RESERVED(5:1, uint32_t)
300 uint32_t VE:1; /*!< \brief bit: 24 Interrupt Vectors Enable */
301 uint32_t EE:1; /*!< \brief bit: 25 Exception Endianness */
302 RESERVED(6:1, uint32_t)
303 uint32_t NMFI:1; /*!< \brief bit: 27 Non-maskable FIQ (NMFI) support */
304 uint32_t TRE:1; /*!< \brief bit: 28 TEX remap enable. */
305 uint32_t AFE:1; /*!< \brief bit: 29 Access flag enable */
306 uint32_t TE:1; /*!< \brief bit: 30 Thumb Exception enable */
307 RESERVED(7:1, uint32_t)
308 } b; /*!< \brief Structure used for bit access */
309 uint32_t w; /*!< \brief Type used for word access */
312 #define SCTLR_TE_Pos 30U /*!< \brief SCTLR: TE Position */
313 #define SCTLR_TE_Msk (1UL << SCTLR_TE_Pos) /*!< \brief SCTLR: TE Mask */
315 #define SCTLR_AFE_Pos 29U /*!< \brief SCTLR: AFE Position */
316 #define SCTLR_AFE_Msk (1UL << SCTLR_AFE_Pos) /*!< \brief SCTLR: AFE Mask */
318 #define SCTLR_TRE_Pos 28U /*!< \brief SCTLR: TRE Position */
319 #define SCTLR_TRE_Msk (1UL << SCTLR_TRE_Pos) /*!< \brief SCTLR: TRE Mask */
321 #define SCTLR_NMFI_Pos 27U /*!< \brief SCTLR: NMFI Position */
322 #define SCTLR_NMFI_Msk (1UL << SCTLR_NMFI_Pos) /*!< \brief SCTLR: NMFI Mask */
324 #define SCTLR_EE_Pos 25U /*!< \brief SCTLR: EE Position */
325 #define SCTLR_EE_Msk (1UL << SCTLR_EE_Pos) /*!< \brief SCTLR: EE Mask */
327 #define SCTLR_VE_Pos 24U /*!< \brief SCTLR: VE Position */
328 #define SCTLR_VE_Msk (1UL << SCTLR_VE_Pos) /*!< \brief SCTLR: VE Mask */
330 #define SCTLR_U_Pos 22U /*!< \brief SCTLR: U Position */
331 #define SCTLR_U_Msk (1UL << SCTLR_U_Pos) /*!< \brief SCTLR: U Mask */
333 #define SCTLR_FI_Pos 21U /*!< \brief SCTLR: FI Position */
334 #define SCTLR_FI_Msk (1UL << SCTLR_FI_Pos) /*!< \brief SCTLR: FI Mask */
336 #define SCTLR_UWXN_Pos 20U /*!< \brief SCTLR: UWXN Position */
337 #define SCTLR_UWXN_Msk (1UL << SCTLR_UWXN_Pos) /*!< \brief SCTLR: UWXN Mask */
339 #define SCTLR_WXN_Pos 19U /*!< \brief SCTLR: WXN Position */
340 #define SCTLR_WXN_Msk (1UL << SCTLR_WXN_Pos) /*!< \brief SCTLR: WXN Mask */
342 #define SCTLR_HA_Pos 17U /*!< \brief SCTLR: HA Position */
343 #define SCTLR_HA_Msk (1UL << SCTLR_HA_Pos) /*!< \brief SCTLR: HA Mask */
345 #define SCTLR_RR_Pos 14U /*!< \brief SCTLR: RR Position */
346 #define SCTLR_RR_Msk (1UL << SCTLR_RR_Pos) /*!< \brief SCTLR: RR Mask */
348 #define SCTLR_V_Pos 13U /*!< \brief SCTLR: V Position */
349 #define SCTLR_V_Msk (1UL << SCTLR_V_Pos) /*!< \brief SCTLR: V Mask */
351 #define SCTLR_I_Pos 12U /*!< \brief SCTLR: I Position */
352 #define SCTLR_I_Msk (1UL << SCTLR_I_Pos) /*!< \brief SCTLR: I Mask */
354 #define SCTLR_Z_Pos 11U /*!< \brief SCTLR: Z Position */
355 #define SCTLR_Z_Msk (1UL << SCTLR_Z_Pos) /*!< \brief SCTLR: Z Mask */
357 #define SCTLR_SW_Pos 10U /*!< \brief SCTLR: SW Position */
358 #define SCTLR_SW_Msk (1UL << SCTLR_SW_Pos) /*!< \brief SCTLR: SW Mask */
360 #define SCTLR_B_Pos 7U /*!< \brief SCTLR: B Position */
361 #define SCTLR_B_Msk (1UL << SCTLR_B_Pos) /*!< \brief SCTLR: B Mask */
363 #define SCTLR_CP15BEN_Pos 5U /*!< \brief SCTLR: CP15BEN Position */
364 #define SCTLR_CP15BEN_Msk (1UL << SCTLR_CP15BEN_Pos) /*!< \brief SCTLR: CP15BEN Mask */
366 #define SCTLR_C_Pos 2U /*!< \brief SCTLR: C Position */
367 #define SCTLR_C_Msk (1UL << SCTLR_C_Pos) /*!< \brief SCTLR: C Mask */
369 #define SCTLR_A_Pos 1U /*!< \brief SCTLR: A Position */
370 #define SCTLR_A_Msk (1UL << SCTLR_A_Pos) /*!< \brief SCTLR: A Mask */
372 #define SCTLR_M_Pos 0U /*!< \brief SCTLR: M Position */
373 #define SCTLR_M_Msk (1UL << SCTLR_M_Pos) /*!< \brief SCTLR: M Mask */
375 /* CP15 Register ACTLR */
378 #if __CORTEX_A == 5 || defined(DOXYGEN)
379 /** \brief Structure used for bit access on Cortex-A5 */
382 uint32_t FW:1; /*!< \brief bit: 0 Cache and TLB maintenance broadcast */
383 RESERVED(0:5, uint32_t)
384 uint32_t SMP:1; /*!< \brief bit: 6 Enables coherent requests to the processor */
385 uint32_t EXCL:1; /*!< \brief bit: 7 Exclusive L1/L2 cache control */
386 RESERVED(1:2, uint32_t)
387 uint32_t DODMBS:1; /*!< \brief bit: 10 Disable optimized data memory barrier behavior */
388 uint32_t DWBST:1; /*!< \brief bit: 11 AXI data write bursts to Normal memory */
389 uint32_t RADIS:1; /*!< \brief bit: 12 L1 Data Cache read-allocate mode disable */
390 uint32_t L1PCTL:2; /*!< \brief bit:13..14 L1 Data prefetch control */
391 uint32_t BP:2; /*!< \brief bit:16..15 Branch prediction policy */
392 uint32_t RSDIS:1; /*!< \brief bit: 17 Disable return stack operation */
393 uint32_t BTDIS:1; /*!< \brief bit: 18 Disable indirect Branch Target Address Cache (BTAC) */
394 RESERVED(3:9, uint32_t)
395 uint32_t DBDI:1; /*!< \brief bit: 28 Disable branch dual issue */
396 RESERVED(7:3, uint32_t)
399 #if __CORTEX_A == 7 || defined(DOXYGEN)
400 /** \brief Structure used for bit access on Cortex-A7 */
403 RESERVED(0:6, uint32_t)
404 uint32_t SMP:1; /*!< \brief bit: 6 Enables coherent requests to the processor */
405 RESERVED(1:3, uint32_t)
406 uint32_t DODMBS:1; /*!< \brief bit: 10 Disable optimized data memory barrier behavior */
407 uint32_t L2RADIS:1; /*!< \brief bit: 11 L2 Data Cache read-allocate mode disable */
408 uint32_t L1RADIS:1; /*!< \brief bit: 12 L1 Data Cache read-allocate mode disable */
409 uint32_t L1PCTL:2; /*!< \brief bit:13..14 L1 Data prefetch control */
410 uint32_t DDVM:1; /*!< \brief bit: 15 Disable Distributed Virtual Memory (DVM) transactions */
411 RESERVED(3:12, uint32_t)
412 uint32_t DDI:1; /*!< \brief bit: 28 Disable dual issue */
413 RESERVED(7:3, uint32_t)
416 #if __CORTEX_A == 9 || defined(DOXYGEN)
417 /** \brief Structure used for bit access on Cortex-A9 */
420 uint32_t FW:1; /*!< \brief bit: 0 Cache and TLB maintenance broadcast */
421 RESERVED(0:1, uint32_t)
422 uint32_t L1PE:1; /*!< \brief bit: 2 Dside prefetch */
423 uint32_t WFLZM:1; /*!< \brief bit: 3 Cache and TLB maintenance broadcast */
424 RESERVED(1:2, uint32_t)
425 uint32_t SMP:1; /*!< \brief bit: 6 Enables coherent requests to the processor */
426 uint32_t EXCL:1; /*!< \brief bit: 7 Exclusive L1/L2 cache control */
427 uint32_t AOW:1; /*!< \brief bit: 8 Enable allocation in one cache way only */
428 uint32_t PARITY:1; /*!< \brief bit: 9 Support for parity checking, if implemented */
429 RESERVED(7:22, uint32_t)
432 uint32_t w; /*!< \brief Type used for word access */
435 #define ACTLR_DDI_Pos 28U /*!< \brief ACTLR: DDI Position */
436 #define ACTLR_DDI_Msk (1UL << ACTLR_DDI_Pos) /*!< \brief ACTLR: DDI Mask */
438 #define ACTLR_DBDI_Pos 28U /*!< \brief ACTLR: DBDI Position */
439 #define ACTLR_DBDI_Msk (1UL << ACTLR_DBDI_Pos) /*!< \brief ACTLR: DBDI Mask */
441 #define ACTLR_BTDIS_Pos 18U /*!< \brief ACTLR: BTDIS Position */
442 #define ACTLR_BTDIS_Msk (1UL << ACTLR_BTDIS_Pos) /*!< \brief ACTLR: BTDIS Mask */
444 #define ACTLR_RSDIS_Pos 17U /*!< \brief ACTLR: RSDIS Position */
445 #define ACTLR_RSDIS_Msk (1UL << ACTLR_RSDIS_Pos) /*!< \brief ACTLR: RSDIS Mask */
447 #define ACTLR_BP_Pos 15U /*!< \brief ACTLR: BP Position */
448 #define ACTLR_BP_Msk (3UL << ACTLR_BP_Pos) /*!< \brief ACTLR: BP Mask */
450 #define ACTLR_DDVM_Pos 15U /*!< \brief ACTLR: DDVM Position */
451 #define ACTLR_DDVM_Msk (1UL << ACTLR_DDVM_Pos) /*!< \brief ACTLR: DDVM Mask */
453 #define ACTLR_L1PCTL_Pos 13U /*!< \brief ACTLR: L1PCTL Position */
454 #define ACTLR_L1PCTL_Msk (3UL << ACTLR_L1PCTL_Pos) /*!< \brief ACTLR: L1PCTL Mask */
456 #define ACTLR_RADIS_Pos 12U /*!< \brief ACTLR: RADIS Position */
457 #define ACTLR_RADIS_Msk (1UL << ACTLR_RADIS_Pos) /*!< \brief ACTLR: RADIS Mask */
459 #define ACTLR_L1RADIS_Pos 12U /*!< \brief ACTLR: L1RADIS Position */
460 #define ACTLR_L1RADIS_Msk (1UL << ACTLR_L1RADIS_Pos) /*!< \brief ACTLR: L1RADIS Mask */
462 #define ACTLR_DWBST_Pos 11U /*!< \brief ACTLR: DWBST Position */
463 #define ACTLR_DWBST_Msk (1UL << ACTLR_DWBST_Pos) /*!< \brief ACTLR: DWBST Mask */
465 #define ACTLR_L2RADIS_Pos 11U /*!< \brief ACTLR: L2RADIS Position */
466 #define ACTLR_L2RADIS_Msk (1UL << ACTLR_L2RADIS_Pos) /*!< \brief ACTLR: L2RADIS Mask */
468 #define ACTLR_DODMBS_Pos 10U /*!< \brief ACTLR: DODMBS Position */
469 #define ACTLR_DODMBS_Msk (1UL << ACTLR_DODMBS_Pos) /*!< \brief ACTLR: DODMBS Mask */
471 #define ACTLR_PARITY_Pos 9U /*!< \brief ACTLR: PARITY Position */
472 #define ACTLR_PARITY_Msk (1UL << ACTLR_PARITY_Pos) /*!< \brief ACTLR: PARITY Mask */
474 #define ACTLR_AOW_Pos 8U /*!< \brief ACTLR: AOW Position */
475 #define ACTLR_AOW_Msk (1UL << ACTLR_AOW_Pos) /*!< \brief ACTLR: AOW Mask */
477 #define ACTLR_EXCL_Pos 7U /*!< \brief ACTLR: EXCL Position */
478 #define ACTLR_EXCL_Msk (1UL << ACTLR_EXCL_Pos) /*!< \brief ACTLR: EXCL Mask */
480 #define ACTLR_SMP_Pos 6U /*!< \brief ACTLR: SMP Position */
481 #define ACTLR_SMP_Msk (1UL << ACTLR_SMP_Pos) /*!< \brief ACTLR: SMP Mask */
483 #define ACTLR_WFLZM_Pos 3U /*!< \brief ACTLR: WFLZM Position */
484 #define ACTLR_WFLZM_Msk (1UL << ACTLR_WFLZM_Pos) /*!< \brief ACTLR: WFLZM Mask */
486 #define ACTLR_L1PE_Pos 2U /*!< \brief ACTLR: L1PE Position */
487 #define ACTLR_L1PE_Msk (1UL << ACTLR_L1PE_Pos) /*!< \brief ACTLR: L1PE Mask */
489 #define ACTLR_FW_Pos 0U /*!< \brief ACTLR: FW Position */
490 #define ACTLR_FW_Msk (1UL << ACTLR_FW_Pos) /*!< \brief ACTLR: FW Mask */
492 /* CP15 Register CPACR */
497 uint32_t CP0:2; /*!< \brief bit: 0..1 Access rights for coprocessor 0 */
498 uint32_t CP1:2; /*!< \brief bit: 2..3 Access rights for coprocessor 1 */
499 uint32_t CP2:2; /*!< \brief bit: 4..5 Access rights for coprocessor 2 */
500 uint32_t CP3:2; /*!< \brief bit: 6..7 Access rights for coprocessor 3 */
501 uint32_t CP4:2; /*!< \brief bit: 8..9 Access rights for coprocessor 4 */
502 uint32_t CP5:2; /*!< \brief bit:10..11 Access rights for coprocessor 5 */
503 uint32_t CP6:2; /*!< \brief bit:12..13 Access rights for coprocessor 6 */
504 uint32_t CP7:2; /*!< \brief bit:14..15 Access rights for coprocessor 7 */
505 uint32_t CP8:2; /*!< \brief bit:16..17 Access rights for coprocessor 8 */
506 uint32_t CP9:2; /*!< \brief bit:18..19 Access rights for coprocessor 9 */
507 uint32_t CP10:2; /*!< \brief bit:20..21 Access rights for coprocessor 10 */
508 uint32_t CP11:2; /*!< \brief bit:22..23 Access rights for coprocessor 11 */
509 uint32_t CP12:2; /*!< \brief bit:24..25 Access rights for coprocessor 11 */
510 uint32_t CP13:2; /*!< \brief bit:26..27 Access rights for coprocessor 11 */
511 uint32_t TRCDIS:1; /*!< \brief bit: 28 Disable CP14 access to trace registers */
512 RESERVED(0:1, uint32_t)
513 uint32_t D32DIS:1; /*!< \brief bit: 30 Disable use of registers D16-D31 of the VFP register file */
514 uint32_t ASEDIS:1; /*!< \brief bit: 31 Disable Advanced SIMD Functionality */
515 } b; /*!< \brief Structure used for bit access */
516 uint32_t w; /*!< \brief Type used for word access */
519 #define CPACR_ASEDIS_Pos 31U /*!< \brief CPACR: ASEDIS Position */
520 #define CPACR_ASEDIS_Msk (1UL << CPACR_ASEDIS_Pos) /*!< \brief CPACR: ASEDIS Mask */
522 #define CPACR_D32DIS_Pos 30U /*!< \brief CPACR: D32DIS Position */
523 #define CPACR_D32DIS_Msk (1UL << CPACR_D32DIS_Pos) /*!< \brief CPACR: D32DIS Mask */
525 #define CPACR_TRCDIS_Pos 28U /*!< \brief CPACR: D32DIS Position */
526 #define CPACR_TRCDIS_Msk (1UL << CPACR_D32DIS_Pos) /*!< \brief CPACR: D32DIS Mask */
528 #define CPACR_CP_Pos_(n) (n*2U) /*!< \brief CPACR: CPn Position */
529 #define CPACR_CP_Msk_(n) (3UL << CPACR_CP_Pos_(n)) /*!< \brief CPACR: CPn Mask */
531 #define CPACR_CP_NA 0U /*!< \brief CPACR CPn field: Access denied. */
532 #define CPACR_CP_PL1 1U /*!< \brief CPACR CPn field: Accessible from PL1 only. */
533 #define CPACR_CP_FA 3U /*!< \brief CPACR CPn field: Full access. */
535 /* CP15 Register DFSR */
540 uint32_t FS0:4; /*!< \brief bit: 0.. 3 Fault Status bits bit 0-3 */
541 uint32_t Domain:4; /*!< \brief bit: 4.. 7 Fault on which domain */
542 RESERVED(0:1, uint32_t)
543 uint32_t LPAE:1; /*!< \brief bit: 9 Large Physical Address Extension */
544 uint32_t FS1:1; /*!< \brief bit: 10 Fault Status bits bit 4 */
545 uint32_t WnR:1; /*!< \brief bit: 11 Write not Read bit */
546 uint32_t ExT:1; /*!< \brief bit: 12 External abort type */
547 uint32_t CM:1; /*!< \brief bit: 13 Cache maintenance fault */
548 RESERVED(1:18, uint32_t)
549 } s; /*!< \brief Structure used for bit access in short format */
552 uint32_t STATUS:5; /*!< \brief bit: 0.. 5 Fault Status bits */
553 RESERVED(0:3, uint32_t)
554 uint32_t LPAE:1; /*!< \brief bit: 9 Large Physical Address Extension */
555 RESERVED(1:1, uint32_t)
556 uint32_t WnR:1; /*!< \brief bit: 11 Write not Read bit */
557 uint32_t ExT:1; /*!< \brief bit: 12 External abort type */
558 uint32_t CM:1; /*!< \brief bit: 13 Cache maintenance fault */
559 RESERVED(2:18, uint32_t)
560 } l; /*!< \brief Structure used for bit access in long format */
561 uint32_t w; /*!< \brief Type used for word access */
564 #define DFSR_CM_Pos 13U /*!< \brief DFSR: CM Position */
565 #define DFSR_CM_Msk (1UL << DFSR_CM_Pos) /*!< \brief DFSR: CM Mask */
567 #define DFSR_Ext_Pos 12U /*!< \brief DFSR: Ext Position */
568 #define DFSR_Ext_Msk (1UL << DFSR_Ext_Pos) /*!< \brief DFSR: Ext Mask */
570 #define DFSR_WnR_Pos 11U /*!< \brief DFSR: WnR Position */
571 #define DFSR_WnR_Msk (1UL << DFSR_WnR_Pos) /*!< \brief DFSR: WnR Mask */
573 #define DFSR_FS1_Pos 10U /*!< \brief DFSR: FS1 Position */
574 #define DFSR_FS1_Msk (1UL << DFSR_FS1_Pos) /*!< \brief DFSR: FS1 Mask */
576 #define DFSR_LPAE_Pos 9U /*!< \brief DFSR: LPAE Position */
577 #define DFSR_LPAE_Msk (1UL << DFSR_LPAE_Pos) /*!< \brief DFSR: LPAE Mask */
579 #define DFSR_Domain_Pos 4U /*!< \brief DFSR: Domain Position */
580 #define DFSR_Domain_Msk (0xFUL << DFSR_Domain_Pos) /*!< \brief DFSR: Domain Mask */
582 #define DFSR_FS0_Pos 0U /*!< \brief DFSR: FS0 Position */
583 #define DFSR_FS0_Msk (0xFUL << DFSR_FS0_Pos) /*!< \brief DFSR: FS0 Mask */
585 #define DFSR_STATUS_Pos 0U /*!< \brief DFSR: STATUS Position */
586 #define DFSR_STATUS_Msk (0x3FUL << DFSR_STATUS_Pos) /*!< \brief DFSR: STATUS Mask */
588 /* CP15 Register IFSR */
593 uint32_t FS0:4; /*!< \brief bit: 0.. 3 Fault Status bits bit 0-3 */
594 RESERVED(0:5, uint32_t)
595 uint32_t LPAE:1; /*!< \brief bit: 9 Large Physical Address Extension */
596 uint32_t FS1:1; /*!< \brief bit: 10 Fault Status bits bit 4 */
597 RESERVED(1:1, uint32_t)
598 uint32_t ExT:1; /*!< \brief bit: 12 External abort type */
599 RESERVED(2:19, uint32_t)
600 } s; /*!< \brief Structure used for bit access in short format */
603 uint32_t STATUS:6; /*!< \brief bit: 0.. 5 Fault Status bits */
604 RESERVED(0:3, uint32_t)
605 uint32_t LPAE:1; /*!< \brief bit: 9 Large Physical Address Extension */
606 RESERVED(1:2, uint32_t)
607 uint32_t ExT:1; /*!< \brief bit: 12 External abort type */
608 RESERVED(2:19, uint32_t)
609 } l; /*!< \brief Structure used for bit access in long format */
610 uint32_t w; /*!< \brief Type used for word access */
613 #define IFSR_ExT_Pos 12U /*!< \brief IFSR: ExT Position */
614 #define IFSR_ExT_Msk (1UL << IFSR_ExT_Pos) /*!< \brief IFSR: ExT Mask */
616 #define IFSR_FS1_Pos 10U /*!< \brief IFSR: FS1 Position */
617 #define IFSR_FS1_Msk (1UL << IFSR_FS1_Pos) /*!< \brief IFSR: FS1 Mask */
619 #define IFSR_LPAE_Pos 9U /*!< \brief IFSR: LPAE Position */
620 #define IFSR_LPAE_Msk (0x1UL << IFSR_LPAE_Pos) /*!< \brief IFSR: LPAE Mask */
622 #define IFSR_FS0_Pos 0U /*!< \brief IFSR: FS0 Position */
623 #define IFSR_FS0_Msk (0xFUL << IFSR_FS0_Pos) /*!< \brief IFSR: FS0 Mask */
625 #define IFSR_STATUS_Pos 0U /*!< \brief IFSR: STATUS Position */
626 #define IFSR_STATUS_Msk (0x3FUL << IFSR_STATUS_Pos) /*!< \brief IFSR: STATUS Mask */
628 /* CP15 Register ISR */
633 RESERVED(0:6, uint32_t)
634 uint32_t F:1; /*!< \brief bit: 6 FIQ pending bit */
635 uint32_t I:1; /*!< \brief bit: 7 IRQ pending bit */
636 uint32_t A:1; /*!< \brief bit: 8 External abort pending bit */
637 RESERVED(1:23, uint32_t)
638 } b; /*!< \brief Structure used for bit access */
639 uint32_t w; /*!< \brief Type used for word access */
642 #define ISR_A_Pos 13U /*!< \brief ISR: A Position */
643 #define ISR_A_Msk (1UL << ISR_A_Pos) /*!< \brief ISR: A Mask */
645 #define ISR_I_Pos 12U /*!< \brief ISR: I Position */
646 #define ISR_I_Msk (1UL << ISR_I_Pos) /*!< \brief ISR: I Mask */
648 #define ISR_F_Pos 11U /*!< \brief ISR: F Position */
649 #define ISR_F_Msk (1UL << ISR_F_Pos) /*!< \brief ISR: F Mask */
652 #define DACR_D_Pos_(n) (2U*n) /*!< \brief DACR: Dn Position */
653 #define DACR_D_Msk_(n) (3UL << DACR_D_Pos_(n)) /*!< \brief DACR: Dn Mask */
654 #define DACR_Dn_NOACCESS 0U /*!< \brief DACR Dn field: No access */
655 #define DACR_Dn_CLIENT 1U /*!< \brief DACR Dn field: Client */
656 #define DACR_Dn_MANAGER 3U /*!< \brief DACR Dn field: Manager */
659 \brief Mask and shift a bit field value for use in a register bit range.
660 \param [in] field Name of the register bit field.
661 \param [in] value Value of the bit field. This parameter is interpreted as an uint32_t type.
662 \return Masked and shifted value.
664 #define _VAL2FLD(field, value) (((uint32_t)(value) << field ## _Pos) & field ## _Msk)
667 \brief Mask and shift a register value to extract a bit filed value.
668 \param [in] field Name of the register bit field.
669 \param [in] value Value of register. This parameter is interpreted as an uint32_t type.
670 \return Masked and shifted bit field value.
672 #define _FLD2VAL(field, value) (((uint32_t)(value) & field ## _Msk) >> field ## _Pos)
676 \brief Union type to access the L2C_310 Cache Controller.
678 #if (__L2C_PRESENT == 1U) || defined(DOXYGEN)
681 __IM uint32_t CACHE_ID; /*!< \brief Offset: 0x0000 (R/ ) Cache ID Register */
682 __IM uint32_t CACHE_TYPE; /*!< \brief Offset: 0x0004 (R/ ) Cache Type Register */
683 RESERVED(0[0x3e], uint32_t)
684 __IOM uint32_t CONTROL; /*!< \brief Offset: 0x0100 (R/W) Control Register */
685 __IOM uint32_t AUX_CNT; /*!< \brief Offset: 0x0104 (R/W) Auxiliary Control */
686 RESERVED(1[0x3e], uint32_t)
687 __IOM uint32_t EVENT_CONTROL; /*!< \brief Offset: 0x0200 (R/W) Event Counter Control */
688 __IOM uint32_t EVENT_COUNTER1_CONF; /*!< \brief Offset: 0x0204 (R/W) Event Counter 1 Configuration */
689 __IOM uint32_t EVENT_COUNTER0_CONF; /*!< \brief Offset: 0x0208 (R/W) Event Counter 1 Configuration */
690 RESERVED(2[0x2], uint32_t)
691 __IOM uint32_t INTERRUPT_MASK; /*!< \brief Offset: 0x0214 (R/W) Interrupt Mask */
692 __IM uint32_t MASKED_INT_STATUS; /*!< \brief Offset: 0x0218 (R/ ) Masked Interrupt Status */
693 __IM uint32_t RAW_INT_STATUS; /*!< \brief Offset: 0x021c (R/ ) Raw Interrupt Status */
694 __OM uint32_t INTERRUPT_CLEAR; /*!< \brief Offset: 0x0220 ( /W) Interrupt Clear */
695 RESERVED(3[0x143], uint32_t)
696 __IOM uint32_t CACHE_SYNC; /*!< \brief Offset: 0x0730 (R/W) Cache Sync */
697 RESERVED(4[0xf], uint32_t)
698 __IOM uint32_t INV_LINE_PA; /*!< \brief Offset: 0x0770 (R/W) Invalidate Line By PA */
699 RESERVED(6[2], uint32_t)
700 __IOM uint32_t INV_WAY; /*!< \brief Offset: 0x077c (R/W) Invalidate by Way */
701 RESERVED(5[0xc], uint32_t)
702 __IOM uint32_t CLEAN_LINE_PA; /*!< \brief Offset: 0x07b0 (R/W) Clean Line by PA */
703 RESERVED(7[1], uint32_t)
704 __IOM uint32_t CLEAN_LINE_INDEX_WAY; /*!< \brief Offset: 0x07b8 (R/W) Clean Line by Index/Way */
705 __IOM uint32_t CLEAN_WAY; /*!< \brief Offset: 0x07bc (R/W) Clean by Way */
706 RESERVED(8[0xc], uint32_t)
707 __IOM uint32_t CLEAN_INV_LINE_PA; /*!< \brief Offset: 0x07f0 (R/W) Clean and Invalidate Line by PA */
708 RESERVED(9[1], uint32_t)
709 __IOM uint32_t CLEAN_INV_LINE_INDEX_WAY; /*!< \brief Offset: 0x07f8 (R/W) Clean and Invalidate Line by Index/Way */
710 __IOM uint32_t CLEAN_INV_WAY; /*!< \brief Offset: 0x07fc (R/W) Clean and Invalidate by Way */
711 RESERVED(10[0x40], uint32_t)
712 __IOM uint32_t DATA_LOCK_0_WAY; /*!< \brief Offset: 0x0900 (R/W) Data Lockdown 0 by Way */
713 __IOM uint32_t INST_LOCK_0_WAY; /*!< \brief Offset: 0x0904 (R/W) Instruction Lockdown 0 by Way */
714 __IOM uint32_t DATA_LOCK_1_WAY; /*!< \brief Offset: 0x0908 (R/W) Data Lockdown 1 by Way */
715 __IOM uint32_t INST_LOCK_1_WAY; /*!< \brief Offset: 0x090c (R/W) Instruction Lockdown 1 by Way */
716 __IOM uint32_t DATA_LOCK_2_WAY; /*!< \brief Offset: 0x0910 (R/W) Data Lockdown 2 by Way */
717 __IOM uint32_t INST_LOCK_2_WAY; /*!< \brief Offset: 0x0914 (R/W) Instruction Lockdown 2 by Way */
718 __IOM uint32_t DATA_LOCK_3_WAY; /*!< \brief Offset: 0x0918 (R/W) Data Lockdown 3 by Way */
719 __IOM uint32_t INST_LOCK_3_WAY; /*!< \brief Offset: 0x091c (R/W) Instruction Lockdown 3 by Way */
720 __IOM uint32_t DATA_LOCK_4_WAY; /*!< \brief Offset: 0x0920 (R/W) Data Lockdown 4 by Way */
721 __IOM uint32_t INST_LOCK_4_WAY; /*!< \brief Offset: 0x0924 (R/W) Instruction Lockdown 4 by Way */
722 __IOM uint32_t DATA_LOCK_5_WAY; /*!< \brief Offset: 0x0928 (R/W) Data Lockdown 5 by Way */
723 __IOM uint32_t INST_LOCK_5_WAY; /*!< \brief Offset: 0x092c (R/W) Instruction Lockdown 5 by Way */
724 __IOM uint32_t DATA_LOCK_6_WAY; /*!< \brief Offset: 0x0930 (R/W) Data Lockdown 5 by Way */
725 __IOM uint32_t INST_LOCK_6_WAY; /*!< \brief Offset: 0x0934 (R/W) Instruction Lockdown 5 by Way */
726 __IOM uint32_t DATA_LOCK_7_WAY; /*!< \brief Offset: 0x0938 (R/W) Data Lockdown 6 by Way */
727 __IOM uint32_t INST_LOCK_7_WAY; /*!< \brief Offset: 0x093c (R/W) Instruction Lockdown 6 by Way */
728 RESERVED(11[0x4], uint32_t)
729 __IOM uint32_t LOCK_LINE_EN; /*!< \brief Offset: 0x0950 (R/W) Lockdown by Line Enable */
730 __IOM uint32_t UNLOCK_ALL_BY_WAY; /*!< \brief Offset: 0x0954 (R/W) Unlock All Lines by Way */
731 RESERVED(12[0xaa], uint32_t)
732 __IOM uint32_t ADDRESS_FILTER_START; /*!< \brief Offset: 0x0c00 (R/W) Address Filtering Start */
733 __IOM uint32_t ADDRESS_FILTER_END; /*!< \brief Offset: 0x0c04 (R/W) Address Filtering End */
734 RESERVED(13[0xce], uint32_t)
735 __IOM uint32_t DEBUG_CONTROL; /*!< \brief Offset: 0x0f40 (R/W) Debug Control Register */
738 #define L2C_310 ((L2C_310_TypeDef *)L2C_310_BASE) /*!< \brief L2C_310 register set access pointer */
741 #if (__GIC_PRESENT == 1U) || defined(DOXYGEN)
743 /** \brief Structure type to access the Generic Interrupt Controller Distributor (GICD)
747 __IOM uint32_t CTLR; /*!< \brief Offset: 0x000 (R/W) Distributor Control Register */
748 __IM uint32_t TYPER; /*!< \brief Offset: 0x004 (R/ ) Interrupt Controller Type Register */
749 __IM uint32_t IIDR; /*!< \brief Offset: 0x008 (R/ ) Distributor Implementer Identification Register */
750 RESERVED(0, uint32_t)
751 __IOM uint32_t STATUSR; /*!< \brief Offset: 0x010 (R/W) Error Reporting Status Register, optional */
752 RESERVED(1[11], uint32_t)
753 __OM uint32_t SETSPI_NSR; /*!< \brief Offset: 0x040 ( /W) Set SPI Register */
754 RESERVED(2, uint32_t)
755 __OM uint32_t CLRSPI_NSR; /*!< \brief Offset: 0x048 ( /W) Clear SPI Register */
756 RESERVED(3, uint32_t)
757 __OM uint32_t SETSPI_SR; /*!< \brief Offset: 0x050 ( /W) Set SPI, Secure Register */
758 RESERVED(4, uint32_t)
759 __OM uint32_t CLRSPI_SR; /*!< \brief Offset: 0x058 ( /W) Clear SPI, Secure Register */
760 RESERVED(5[9], uint32_t)
761 __IOM uint32_t IGROUPR[32]; /*!< \brief Offset: 0x080 (R/W) Interrupt Group Registers */
762 __IOM uint32_t ISENABLER[32]; /*!< \brief Offset: 0x100 (R/W) Interrupt Set-Enable Registers */
763 __IOM uint32_t ICENABLER[32]; /*!< \brief Offset: 0x180 (R/W) Interrupt Clear-Enable Registers */
764 __IOM uint32_t ISPENDR[32]; /*!< \brief Offset: 0x200 (R/W) Interrupt Set-Pending Registers */
765 __IOM uint32_t ICPENDR[32]; /*!< \brief Offset: 0x280 (R/W) Interrupt Clear-Pending Registers */
766 __IOM uint32_t ISACTIVER[32]; /*!< \brief Offset: 0x300 (R/W) Interrupt Set-Active Registers */
767 __IOM uint32_t ICACTIVER[32]; /*!< \brief Offset: 0x380 (R/W) Interrupt Clear-Active Registers */
768 __IOM uint32_t IPRIORITYR[255]; /*!< \brief Offset: 0x400 (R/W) Interrupt Priority Registers */
769 RESERVED(6, uint32_t)
770 __IOM uint32_t ITARGETSR[255]; /*!< \brief Offset: 0x800 (R/W) Interrupt Targets Registers */
771 RESERVED(7, uint32_t)
772 __IOM uint32_t ICFGR[64]; /*!< \brief Offset: 0xC00 (R/W) Interrupt Configuration Registers */
773 __IOM uint32_t IGRPMODR[32]; /*!< \brief Offset: 0xD00 (R/W) Interrupt Group Modifier Registers */
774 RESERVED(8[32], uint32_t)
775 __IOM uint32_t NSACR[64]; /*!< \brief Offset: 0xE00 (R/W) Non-secure Access Control Registers */
776 __OM uint32_t SGIR; /*!< \brief Offset: 0xF00 ( /W) Software Generated Interrupt Register */
777 RESERVED(9[3], uint32_t)
778 __IOM uint32_t CPENDSGIR[4]; /*!< \brief Offset: 0xF10 (R/W) SGI Clear-Pending Registers */
779 __IOM uint32_t SPENDSGIR[4]; /*!< \brief Offset: 0xF20 (R/W) SGI Set-Pending Registers */
780 RESERVED(10[5236], uint32_t)
781 __IOM uint64_t IROUTER[988]; /*!< \brief Offset: 0x6100(R/W) Interrupt Routing Registers */
782 } GICDistributor_Type;
784 #define GICDistributor ((GICDistributor_Type *) GIC_DISTRIBUTOR_BASE ) /*!< \brief GIC Distributor register set access pointer */
786 /** \brief Structure type to access the Generic Interrupt Controller Interface (GICC)
790 __IOM uint32_t CTLR; /*!< \brief Offset: 0x000 (R/W) CPU Interface Control Register */
791 __IOM uint32_t PMR; /*!< \brief Offset: 0x004 (R/W) Interrupt Priority Mask Register */
792 __IOM uint32_t BPR; /*!< \brief Offset: 0x008 (R/W) Binary Point Register */
793 __IM uint32_t IAR; /*!< \brief Offset: 0x00C (R/ ) Interrupt Acknowledge Register */
794 __OM uint32_t EOIR; /*!< \brief Offset: 0x010 ( /W) End Of Interrupt Register */
795 __IM uint32_t RPR; /*!< \brief Offset: 0x014 (R/ ) Running Priority Register */
796 __IM uint32_t HPPIR; /*!< \brief Offset: 0x018 (R/ ) Highest Priority Pending Interrupt Register */
797 __IOM uint32_t ABPR; /*!< \brief Offset: 0x01C (R/W) Aliased Binary Point Register */
798 __IM uint32_t AIAR; /*!< \brief Offset: 0x020 (R/ ) Aliased Interrupt Acknowledge Register */
799 __OM uint32_t AEOIR; /*!< \brief Offset: 0x024 ( /W) Aliased End Of Interrupt Register */
800 __IM uint32_t AHPPIR; /*!< \brief Offset: 0x028 (R/ ) Aliased Highest Priority Pending Interrupt Register */
801 __IOM uint32_t STATUSR; /*!< \brief Offset: 0x02C (R/W) Error Reporting Status Register, optional */
802 RESERVED(1[40], uint32_t)
803 __IOM uint32_t APR[4]; /*!< \brief Offset: 0x0D0 (R/W) Active Priority Register */
804 __IOM uint32_t NSAPR[4]; /*!< \brief Offset: 0x0E0 (R/W) Non-secure Active Priority Register */
805 RESERVED(2[3], uint32_t)
806 __IM uint32_t IIDR; /*!< \brief Offset: 0x0FC (R/ ) CPU Interface Identification Register */
807 RESERVED(3[960], uint32_t)
808 __OM uint32_t DIR; /*!< \brief Offset: 0x1000( /W) Deactivate Interrupt Register */
811 #define GICInterface ((GICInterface_Type *) GIC_INTERFACE_BASE ) /*!< \brief GIC Interface register set access pointer */
814 #if (__TIM_PRESENT == 1U) || defined(DOXYGEN)
815 #if ((__CORTEX_A == 5U) || (__CORTEX_A == 9U)) || defined(DOXYGEN)
816 /** \brief Structure type to access the Private Timer
820 __IOM uint32_t LOAD; //!< \brief Offset: 0x000 (R/W) Private Timer Load Register
821 __IOM uint32_t COUNTER; //!< \brief Offset: 0x004 (R/W) Private Timer Counter Register
822 __IOM uint32_t CONTROL; //!< \brief Offset: 0x008 (R/W) Private Timer Control Register
823 __IOM uint32_t ISR; //!< \brief Offset: 0x00C (R/W) Private Timer Interrupt Status Register
824 RESERVED(0[4], uint32_t)
825 __IOM uint32_t WLOAD; //!< \brief Offset: 0x020 (R/W) Watchdog Load Register
826 __IOM uint32_t WCOUNTER; //!< \brief Offset: 0x024 (R/W) Watchdog Counter Register
827 __IOM uint32_t WCONTROL; //!< \brief Offset: 0x028 (R/W) Watchdog Control Register
828 __IOM uint32_t WISR; //!< \brief Offset: 0x02C (R/W) Watchdog Interrupt Status Register
829 __IOM uint32_t WRESET; //!< \brief Offset: 0x030 (R/W) Watchdog Reset Status Register
830 __OM uint32_t WDISABLE; //!< \brief Offset: 0x034 ( /W) Watchdog Disable Register
832 #define PTIM ((Timer_Type *) TIMER_BASE ) /*!< \brief Timer register struct */
836 /*******************************************************************************
837 * Hardware Abstraction Layer
838 Core Function Interface contains:
840 - L2C-310 Cache Controller Functions
841 - PL1 Timer Functions
844 ******************************************************************************/
846 /* ########################## L1 Cache functions ################################# */
848 /** \brief Enable Caches by setting I and C bits in SCTLR register.
850 __STATIC_FORCEINLINE void L1C_EnableCaches(void) {
851 __set_SCTLR( __get_SCTLR() | SCTLR_I_Msk | SCTLR_C_Msk);
855 /** \brief Disable Caches by clearing I and C bits in SCTLR register.
857 __STATIC_FORCEINLINE void L1C_DisableCaches(void) {
858 __set_SCTLR( __get_SCTLR() & (~SCTLR_I_Msk) & (~SCTLR_C_Msk));
862 /** \brief Enable Branch Prediction by setting Z bit in SCTLR register.
864 __STATIC_FORCEINLINE void L1C_EnableBTAC(void) {
865 __set_SCTLR( __get_SCTLR() | SCTLR_Z_Msk);
869 /** \brief Disable Branch Prediction by clearing Z bit in SCTLR register.
871 __STATIC_FORCEINLINE void L1C_DisableBTAC(void) {
872 __set_SCTLR( __get_SCTLR() & (~SCTLR_Z_Msk));
876 /** \brief Invalidate entire branch predictor array
878 __STATIC_FORCEINLINE void L1C_InvalidateBTAC(void) {
880 __DSB(); //ensure completion of the invalidation
881 __ISB(); //ensure instruction fetch path sees new state
884 /** \brief Invalidate the whole instruction cache
886 __STATIC_FORCEINLINE void L1C_InvalidateICacheAll(void) {
888 __DSB(); //ensure completion of the invalidation
889 __ISB(); //ensure instruction fetch path sees new I cache state
892 /** \brief Clean data cache line by address.
893 * \param [in] va Pointer to data to clear the cache for.
895 __STATIC_FORCEINLINE void L1C_CleanDCacheMVA(void *va) {
896 __set_DCCMVAC((uint32_t)va);
897 __DMB(); //ensure the ordering of data cache maintenance operations and their effects
900 /** \brief Invalidate data cache line by address.
901 * \param [in] va Pointer to data to invalidate the cache for.
903 __STATIC_FORCEINLINE void L1C_InvalidateDCacheMVA(void *va) {
904 __set_DCIMVAC((uint32_t)va);
905 __DMB(); //ensure the ordering of data cache maintenance operations and their effects
908 /** \brief Clean and Invalidate data cache by address.
909 * \param [in] va Pointer to data to invalidate the cache for.
911 __STATIC_FORCEINLINE void L1C_CleanInvalidateDCacheMVA(void *va) {
912 __set_DCCIMVAC((uint32_t)va);
913 __DMB(); //ensure the ordering of data cache maintenance operations and their effects
916 /** \brief Calculate log2 rounded up
927 * \param [in] n input value parameter
930 __STATIC_FORCEINLINE uint8_t __log2_up(uint32_t n)
942 if (n & 1U) { log++; }
946 /** \brief Apply cache maintenance to given cache level.
947 * \param [in] level cache level to be maintained
948 * \param [in] maint 0 - invalidate, 1 - clean, otherwise - invalidate and clean
950 __STATIC_FORCEINLINE void __L1C_MaintainDCacheSetWay(uint32_t level, uint32_t maint)
957 uint32_t log2_linesize;
958 int32_t log2_num_ways;
961 /* set csselr, select ccsidr register */
963 /* get current ccsidr register */
964 ccsidr = __get_CCSIDR();
965 num_sets = ((ccsidr & 0x0FFFE000U) >> 13U) + 1U;
966 num_ways = ((ccsidr & 0x00001FF8U) >> 3U) + 1U;
967 log2_linesize = (ccsidr & 0x00000007U) + 2U + 2U;
968 log2_num_ways = __log2_up(num_ways);
969 if ((log2_num_ways < 0) || (log2_num_ways > 32)) {
970 return; // FATAL ERROR
972 shift_way = 32U - (uint32_t)log2_num_ways;
973 for(int32_t way = num_ways-1; way >= 0; way--)
975 for(int32_t set = num_sets-1; set >= 0; set--)
977 Dummy = (level << 1U) | (((uint32_t)set) << log2_linesize) | (((uint32_t)way) << shift_way);
980 case 0U: __set_DCISW(Dummy); break;
981 case 1U: __set_DCCSW(Dummy); break;
982 default: __set_DCCISW(Dummy); break;
989 /** \brief Clean and Invalidate the entire data or unified cache
990 * Generic mechanism for cleaning/invalidating the entire data or unified cache to the point of coherency
991 * \param [in] op 0 - invalidate, 1 - clean, otherwise - invalidate and clean
993 __STATIC_FORCEINLINE void L1C_CleanInvalidateCache(uint32_t op) {
996 clidr = __get_CLIDR();
997 for(uint32_t i = 0U; i<7U; i++)
999 cache_type = (clidr >> i*3U) & 0x7UL;
1000 if ((cache_type >= 2U) && (cache_type <= 4U))
1002 __L1C_MaintainDCacheSetWay(i, op);
1007 /** \brief Clean and Invalidate the entire data or unified cache
1008 * Generic mechanism for cleaning/invalidating the entire data or unified cache to the point of coherency
1009 * \param [in] op 0 - invalidate, 1 - clean, otherwise - invalidate and clean
1010 * \deprecated Use generic L1C_CleanInvalidateCache instead.
1013 __STATIC_FORCEINLINE void __L1C_CleanInvalidateCache(uint32_t op) {
1014 L1C_CleanInvalidateCache(op);
1017 /** \brief Invalidate the whole data cache.
1019 __STATIC_FORCEINLINE void L1C_InvalidateDCacheAll(void) {
1020 L1C_CleanInvalidateCache(0);
1023 /** \brief Clean the whole data cache.
1025 __STATIC_FORCEINLINE void L1C_CleanDCacheAll(void) {
1026 L1C_CleanInvalidateCache(1);
1029 /** \brief Clean and invalidate the whole data cache.
1031 __STATIC_FORCEINLINE void L1C_CleanInvalidateDCacheAll(void) {
1032 L1C_CleanInvalidateCache(2);
1035 /* ########################## L2 Cache functions ################################# */
1036 #if (__L2C_PRESENT == 1U) || defined(DOXYGEN)
1037 /** \brief Cache Sync operation by writing CACHE_SYNC register.
1039 __STATIC_INLINE void L2C_Sync(void)
1041 L2C_310->CACHE_SYNC = 0x0;
1044 /** \brief Read cache controller cache ID from CACHE_ID register.
1045 * \return L2C_310_TypeDef::CACHE_ID
1047 __STATIC_INLINE int L2C_GetID (void)
1049 return L2C_310->CACHE_ID;
1052 /** \brief Read cache controller cache type from CACHE_TYPE register.
1053 * \return L2C_310_TypeDef::CACHE_TYPE
1055 __STATIC_INLINE int L2C_GetType (void)
1057 return L2C_310->CACHE_TYPE;
1060 /** \brief Invalidate all cache by way
1062 __STATIC_INLINE void L2C_InvAllByWay (void)
1066 if (L2C_310->AUX_CNT & (1U << 16U)) {
1072 L2C_310->INV_WAY = (1U << assoc) - 1U;
1073 while(L2C_310->INV_WAY & ((1U << assoc) - 1U)); //poll invalidate
1078 /** \brief Clean and Invalidate all cache by way
1080 __STATIC_INLINE void L2C_CleanInvAllByWay (void)
1084 if (L2C_310->AUX_CNT & (1U << 16U)) {
1090 L2C_310->CLEAN_INV_WAY = (1U << assoc) - 1U;
1091 while(L2C_310->CLEAN_INV_WAY & ((1U << assoc) - 1U)); //poll invalidate
1096 /** \brief Enable Level 2 Cache
1098 __STATIC_INLINE void L2C_Enable(void)
1100 L2C_310->CONTROL = 0;
1101 L2C_310->INTERRUPT_CLEAR = 0x000001FFuL;
1102 L2C_310->DEBUG_CONTROL = 0;
1103 L2C_310->DATA_LOCK_0_WAY = 0;
1104 L2C_310->CACHE_SYNC = 0;
1105 L2C_310->CONTROL = 0x01;
1109 /** \brief Disable Level 2 Cache
1111 __STATIC_INLINE void L2C_Disable(void)
1113 L2C_310->CONTROL = 0x00;
1117 /** \brief Invalidate cache by physical address
1118 * \param [in] pa Pointer to data to invalidate cache for.
1120 __STATIC_INLINE void L2C_InvPa (void *pa)
1122 L2C_310->INV_LINE_PA = (unsigned int)pa;
1126 /** \brief Clean cache by physical address
1127 * \param [in] pa Pointer to data to invalidate cache for.
1129 __STATIC_INLINE void L2C_CleanPa (void *pa)
1131 L2C_310->CLEAN_LINE_PA = (unsigned int)pa;
1135 /** \brief Clean and invalidate cache by physical address
1136 * \param [in] pa Pointer to data to invalidate cache for.
1138 __STATIC_INLINE void L2C_CleanInvPa (void *pa)
1140 L2C_310->CLEAN_INV_LINE_PA = (unsigned int)pa;
1145 /* ########################## GIC functions ###################################### */
1146 #if (__GIC_PRESENT == 1U) || defined(DOXYGEN)
1148 /** \brief Enable the interrupt distributor using the GIC's CTLR register.
1150 __STATIC_INLINE void GIC_EnableDistributor(void)
1152 GICDistributor->CTLR |= 1U;
1155 /** \brief Disable the interrupt distributor using the GIC's CTLR register.
1157 __STATIC_INLINE void GIC_DisableDistributor(void)
1159 GICDistributor->CTLR &=~1U;
1162 /** \brief Read the GIC's TYPER register.
1163 * \return GICDistributor_Type::TYPER
1165 __STATIC_INLINE uint32_t GIC_DistributorInfo(void)
1167 return (GICDistributor->TYPER);
1170 /** \brief Reads the GIC's IIDR register.
1171 * \return GICDistributor_Type::IIDR
1173 __STATIC_INLINE uint32_t GIC_DistributorImplementer(void)
1175 return (GICDistributor->IIDR);
1178 /** \brief Sets the GIC's ITARGETSR register for the given interrupt.
1179 * \param [in] IRQn Interrupt to be configured.
1180 * \param [in] cpu_target CPU interfaces to assign this interrupt to.
1182 __STATIC_INLINE void GIC_SetTarget(IRQn_Type IRQn, uint32_t cpu_target)
1184 uint32_t mask = GICDistributor->ITARGETSR[IRQn / 4U] & ~(0xFFUL << ((IRQn % 4U) * 8U));
1185 GICDistributor->ITARGETSR[IRQn / 4U] = mask | ((cpu_target & 0xFFUL) << ((IRQn % 4U) * 8U));
1188 /** \brief Read the GIC's ITARGETSR register.
1189 * \param [in] IRQn Interrupt to acquire the configuration for.
1190 * \return GICDistributor_Type::ITARGETSR
1192 __STATIC_INLINE uint32_t GIC_GetTarget(IRQn_Type IRQn)
1194 return (GICDistributor->ITARGETSR[IRQn / 4U] >> ((IRQn % 4U) * 8U)) & 0xFFUL;
1197 /** \brief Enable the CPU's interrupt interface.
1199 __STATIC_INLINE void GIC_EnableInterface(void)
1201 GICInterface->CTLR |= 1U; //enable interface
1204 /** \brief Disable the CPU's interrupt interface.
1206 __STATIC_INLINE void GIC_DisableInterface(void)
1208 GICInterface->CTLR &=~1U; //disable distributor
1211 /** \brief Read the CPU's IAR register.
1212 * \return GICInterface_Type::IAR
1214 __STATIC_INLINE IRQn_Type GIC_AcknowledgePending(void)
1216 return (IRQn_Type)(GICInterface->IAR);
1219 /** \brief Writes the given interrupt number to the CPU's EOIR register.
1220 * \param [in] IRQn The interrupt to be signaled as finished.
1222 __STATIC_INLINE void GIC_EndInterrupt(IRQn_Type IRQn)
1224 GICInterface->EOIR = IRQn;
1227 /** \brief Enables the given interrupt using GIC's ISENABLER register.
1228 * \param [in] IRQn The interrupt to be enabled.
1230 __STATIC_INLINE void GIC_EnableIRQ(IRQn_Type IRQn)
1232 GICDistributor->ISENABLER[IRQn / 32U] = 1U << (IRQn % 32U);
1235 /** \brief Get interrupt enable status using GIC's ISENABLER register.
1236 * \param [in] IRQn The interrupt to be queried.
1237 * \return 0 - interrupt is not enabled, 1 - interrupt is enabled.
1239 __STATIC_INLINE uint32_t GIC_GetEnableIRQ(IRQn_Type IRQn)
1241 return (GICDistributor->ISENABLER[IRQn / 32U] >> (IRQn % 32U)) & 1UL;
1244 /** \brief Disables the given interrupt using GIC's ICENABLER register.
1245 * \param [in] IRQn The interrupt to be disabled.
1247 __STATIC_INLINE void GIC_DisableIRQ(IRQn_Type IRQn)
1249 GICDistributor->ICENABLER[IRQn / 32U] = 1U << (IRQn % 32U);
1252 /** \brief Get interrupt pending status from GIC's ISPENDR register.
1253 * \param [in] IRQn The interrupt to be queried.
1254 * \return 0 - interrupt is not pending, 1 - interrupt is pendig.
1256 __STATIC_INLINE uint32_t GIC_GetPendingIRQ(IRQn_Type IRQn)
1261 pend = (GICDistributor->ISPENDR[IRQn / 32U] >> (IRQn % 32U)) & 1UL;
1263 // INTID 0-15 Software Generated Interrupt
1264 pend = (GICDistributor->SPENDSGIR[IRQn / 4U] >> ((IRQn % 4U) * 8U)) & 0xFFUL;
1265 // No CPU identification offered
1276 /** \brief Sets the given interrupt as pending using GIC's ISPENDR register.
1277 * \param [in] IRQn The interrupt to be enabled.
1279 __STATIC_INLINE void GIC_SetPendingIRQ(IRQn_Type IRQn)
1282 GICDistributor->ISPENDR[IRQn / 32U] = 1U << (IRQn % 32U);
1284 // INTID 0-15 Software Generated Interrupt
1285 GICDistributor->SPENDSGIR[IRQn / 4U] = 1U << ((IRQn % 4U) * 8U);
1289 /** \brief Clears the given interrupt from being pending using GIC's ICPENDR register.
1290 * \param [in] IRQn The interrupt to be enabled.
1292 __STATIC_INLINE void GIC_ClearPendingIRQ(IRQn_Type IRQn)
1295 GICDistributor->ICPENDR[IRQn / 32U] = 1U << (IRQn % 32U);
1297 // INTID 0-15 Software Generated Interrupt
1298 GICDistributor->CPENDSGIR[IRQn / 4U] = 1U << ((IRQn % 4U) * 8U);
1302 /** \brief Sets the interrupt configuration using GIC's ICFGR register.
1303 * \param [in] IRQn The interrupt to be configured.
1304 * \param [in] int_config Int_config field value. Bit 0: Reserved (0 - N-N model, 1 - 1-N model for some GIC before v1)
1305 * Bit 1: 0 - level sensitive, 1 - edge triggered
1307 __STATIC_INLINE void GIC_SetConfiguration(IRQn_Type IRQn, uint32_t int_config)
1309 uint32_t icfgr = GICDistributor->ICFGR[IRQn / 16U];
1310 uint32_t shift = (IRQn % 16U) << 1U;
1312 icfgr &= (~(3U << shift));
1313 icfgr |= ( int_config << shift);
1315 GICDistributor->ICFGR[IRQn / 16U] = icfgr;
1318 /** \brief Get the interrupt configuration from the GIC's ICFGR register.
1319 * \param [in] IRQn Interrupt to acquire the configuration for.
1320 * \return Int_config field value. Bit 0: Reserved (0 - N-N model, 1 - 1-N model for some GIC before v1)
1321 * Bit 1: 0 - level sensitive, 1 - edge triggered
1323 __STATIC_INLINE uint32_t GIC_GetConfiguration(IRQn_Type IRQn)
1325 return (GICDistributor->ICFGR[IRQn / 16U] >> ((IRQn % 16U) >> 1U));
1328 /** \brief Set the priority for the given interrupt in the GIC's IPRIORITYR register.
1329 * \param [in] IRQn The interrupt to be configured.
1330 * \param [in] priority The priority for the interrupt, lower values denote higher priorities.
1332 __STATIC_INLINE void GIC_SetPriority(IRQn_Type IRQn, uint32_t priority)
1334 uint32_t mask = GICDistributor->IPRIORITYR[IRQn / 4U] & ~(0xFFUL << ((IRQn % 4U) * 8U));
1335 GICDistributor->IPRIORITYR[IRQn / 4U] = mask | ((priority & 0xFFUL) << ((IRQn % 4U) * 8U));
1338 /** \brief Read the current interrupt priority from GIC's IPRIORITYR register.
1339 * \param [in] IRQn The interrupt to be queried.
1341 __STATIC_INLINE uint32_t GIC_GetPriority(IRQn_Type IRQn)
1343 return (GICDistributor->IPRIORITYR[IRQn / 4U] >> ((IRQn % 4U) * 8U)) & 0xFFUL;
1346 /** \brief Set the interrupt priority mask using CPU's PMR register.
1347 * \param [in] priority Priority mask to be set.
1349 __STATIC_INLINE void GIC_SetInterfacePriorityMask(uint32_t priority)
1351 GICInterface->PMR = priority & 0xFFUL; //set priority mask
1354 /** \brief Read the current interrupt priority mask from CPU's PMR register.
1355 * \result GICInterface_Type::PMR
1357 __STATIC_INLINE uint32_t GIC_GetInterfacePriorityMask(void)
1359 return GICInterface->PMR;
1362 /** \brief Configures the group priority and subpriority split point using CPU's BPR register.
1363 * \param [in] binary_point Amount of bits used as subpriority.
1365 __STATIC_INLINE void GIC_SetBinaryPoint(uint32_t binary_point)
1367 GICInterface->BPR = binary_point & 7U; //set binary point
1370 /** \brief Read the current group priority and subpriority split point from CPU's BPR register.
1371 * \return GICInterface_Type::BPR
1373 __STATIC_INLINE uint32_t GIC_GetBinaryPoint(void)
1375 return GICInterface->BPR;
1378 /** \brief Get the status for a given interrupt.
1379 * \param [in] IRQn The interrupt to get status for.
1380 * \return 0 - not pending/active, 1 - pending, 2 - active, 3 - pending and active
1382 __STATIC_INLINE uint32_t GIC_GetIRQStatus(IRQn_Type IRQn)
1384 uint32_t pending, active;
1386 active = ((GICDistributor->ISACTIVER[IRQn / 32U]) >> (IRQn % 32U)) & 1UL;
1387 pending = ((GICDistributor->ISPENDR[IRQn / 32U]) >> (IRQn % 32U)) & 1UL;
1389 return ((active<<1U) | pending);
1392 /** \brief Generate a software interrupt using GIC's SGIR register.
1393 * \param [in] IRQn Software interrupt to be generated.
1394 * \param [in] target_list List of CPUs the software interrupt should be forwarded to.
1395 * \param [in] filter_list Filter to be applied to determine interrupt receivers.
1397 __STATIC_INLINE void GIC_SendSGI(IRQn_Type IRQn, uint32_t target_list, uint32_t filter_list)
1399 GICDistributor->SGIR = ((filter_list & 3U) << 24U) | ((target_list & 0xFFUL) << 16U) | (IRQn & 0x0FUL);
1402 /** \brief Get the interrupt number of the highest interrupt pending from CPU's HPPIR register.
1403 * \return GICInterface_Type::HPPIR
1405 __STATIC_INLINE uint32_t GIC_GetHighPendingIRQ(void)
1407 return GICInterface->HPPIR;
1410 /** \brief Provides information about the implementer and revision of the CPU interface.
1411 * \return GICInterface_Type::IIDR
1413 __STATIC_INLINE uint32_t GIC_GetInterfaceId(void)
1415 return GICInterface->IIDR;
1418 /** \brief Set the interrupt group from the GIC's IGROUPR register.
1419 * \param [in] IRQn The interrupt to be queried.
1420 * \param [in] group Interrupt group number: 0 - Group 0, 1 - Group 1
1422 __STATIC_INLINE void GIC_SetGroup(IRQn_Type IRQn, uint32_t group)
1424 uint32_t igroupr = GICDistributor->IGROUPR[IRQn / 32U];
1425 uint32_t shift = (IRQn % 32U);
1427 igroupr &= (~(1U << shift));
1428 igroupr |= ( (group & 1U) << shift);
1430 GICDistributor->IGROUPR[IRQn / 32U] = igroupr;
1432 #define GIC_SetSecurity GIC_SetGroup
1434 /** \brief Get the interrupt group from the GIC's IGROUPR register.
1435 * \param [in] IRQn The interrupt to be queried.
1436 * \return 0 - Group 0, 1 - Group 1
1438 __STATIC_INLINE uint32_t GIC_GetGroup(IRQn_Type IRQn)
1440 return (GICDistributor->IGROUPR[IRQn / 32U] >> (IRQn % 32U)) & 1UL;
1442 #define GIC_GetSecurity GIC_GetGroup
1444 /** \brief Initialize the interrupt distributor.
1446 __STATIC_INLINE void GIC_DistInit(void)
1449 uint32_t num_irq = 0U;
1450 uint32_t priority_field;
1452 //A reset sets all bits in the IGROUPRs corresponding to the SPIs to 0,
1453 //configuring all of the interrupts as Secure.
1455 //Disable interrupt forwarding
1456 GIC_DisableDistributor();
1457 //Get the maximum number of interrupts that the GIC supports
1458 num_irq = 32U * ((GIC_DistributorInfo() & 0x1FU) + 1U);
1460 /* Priority level is implementation defined.
1461 To determine the number of priority bits implemented write 0xFF to an IPRIORITYR
1462 priority field and read back the value stored.*/
1463 GIC_SetPriority((IRQn_Type)0U, 0xFFU);
1464 priority_field = GIC_GetPriority((IRQn_Type)0U);
1466 for (i = 32U; i < num_irq; i++)
1468 //Disable the SPI interrupt
1469 GIC_DisableIRQ((IRQn_Type)i);
1470 //Set level-sensitive (and N-N model)
1471 GIC_SetConfiguration((IRQn_Type)i, 0U);
1473 GIC_SetPriority((IRQn_Type)i, priority_field/2U);
1474 //Set target list to CPU0
1475 GIC_SetTarget((IRQn_Type)i, 1U);
1477 //Enable distributor
1478 GIC_EnableDistributor();
1481 /** \brief Initialize the CPU's interrupt interface
1483 __STATIC_INLINE void GIC_CPUInterfaceInit(void)
1486 uint32_t priority_field;
1488 //A reset sets all bits in the IGROUPRs corresponding to the SPIs to 0,
1489 //configuring all of the interrupts as Secure.
1491 //Disable interrupt forwarding
1492 GIC_DisableInterface();
1494 /* Priority level is implementation defined.
1495 To determine the number of priority bits implemented write 0xFF to an IPRIORITYR
1496 priority field and read back the value stored.*/
1497 GIC_SetPriority((IRQn_Type)0U, 0xFFU);
1498 priority_field = GIC_GetPriority((IRQn_Type)0U);
1501 for (i = 0U; i < 32U; i++)
1504 //Set level-sensitive (and N-N model) for PPI
1505 GIC_SetConfiguration((IRQn_Type)i, 0U);
1507 //Disable SGI and PPI interrupts
1508 GIC_DisableIRQ((IRQn_Type)i);
1510 GIC_SetPriority((IRQn_Type)i, priority_field/2U);
1513 GIC_EnableInterface();
1514 //Set binary point to 0
1515 GIC_SetBinaryPoint(0U);
1517 GIC_SetInterfacePriorityMask(0xFFU);
1520 /** \brief Initialize and enable the GIC
1522 __STATIC_INLINE void GIC_Enable(void)
1525 GIC_CPUInterfaceInit(); //per CPU
1529 /* ########################## Generic Timer functions ############################ */
1530 #if (__TIM_PRESENT == 1U) || defined(DOXYGEN)
1532 /* PL1 Physical Timer */
1533 #if (__CORTEX_A == 7U) || defined(DOXYGEN)
1535 /** \brief Physical Timer Control register */
1540 uint32_t ENABLE:1; /*!< \brief bit: 0 Enables the timer. */
1541 uint32_t IMASK:1; /*!< \brief bit: 1 Timer output signal mask bit. */
1542 uint32_t ISTATUS:1; /*!< \brief bit: 2 The status of the timer. */
1543 RESERVED(0:29, uint32_t)
1544 } b; /*!< \brief Structure used for bit access */
1545 uint32_t w; /*!< \brief Type used for word access */
1548 /** \brief Configures the frequency the timer shall run at.
1549 * \param [in] value The timer frequency in Hz.
1551 __STATIC_INLINE void PL1_SetCounterFrequency(uint32_t value)
1553 __set_CNTFRQ(value);
1557 /** \brief Sets the reset value of the timer.
1558 * \param [in] value The value the timer is loaded with.
1560 __STATIC_INLINE void PL1_SetLoadValue(uint32_t value)
1562 __set_CNTP_TVAL(value);
1566 /** \brief Get the current counter value.
1567 * \return Current counter value.
1569 __STATIC_INLINE uint32_t PL1_GetCurrentValue(void)
1571 return(__get_CNTP_TVAL());
1574 /** \brief Get the current physical counter value.
1575 * \return Current physical counter value.
1577 __STATIC_INLINE uint64_t PL1_GetCurrentPhysicalValue(void)
1579 return(__get_CNTPCT());
1582 /** \brief Set the physical compare value.
1583 * \param [in] value New physical timer compare value.
1585 __STATIC_INLINE void PL1_SetPhysicalCompareValue(uint64_t value)
1587 __set_CNTP_CVAL(value);
1591 /** \brief Get the physical compare value.
1592 * \return Physical compare value.
1594 __STATIC_INLINE uint64_t PL1_GetPhysicalCompareValue(void)
1596 return(__get_CNTP_CVAL());
1599 /** \brief Configure the timer by setting the control value.
1600 * \param [in] value New timer control value.
1602 __STATIC_INLINE void PL1_SetControl(uint32_t value)
1604 __set_CNTP_CTL(value);
1608 /** \brief Get the control value.
1609 * \return Control value.
1611 __STATIC_INLINE uint32_t PL1_GetControl(void)
1613 return(__get_CNTP_CTL());
1618 #if ((__CORTEX_A == 5U) || (__CORTEX_A == 9U)) || defined(DOXYGEN)
1619 /** \brief Set the load value to timers LOAD register.
1620 * \param [in] value The load value to be set.
1622 __STATIC_INLINE void PTIM_SetLoadValue(uint32_t value)
1627 /** \brief Get the load value from timers LOAD register.
1628 * \return Timer_Type::LOAD
1630 __STATIC_INLINE uint32_t PTIM_GetLoadValue(void)
1635 /** \brief Set current counter value from its COUNTER register.
1637 __STATIC_INLINE void PTIM_SetCurrentValue(uint32_t value)
1639 PTIM->COUNTER = value;
1642 /** \brief Get current counter value from timers COUNTER register.
1643 * \result Timer_Type::COUNTER
1645 __STATIC_INLINE uint32_t PTIM_GetCurrentValue(void)
1647 return(PTIM->COUNTER);
1650 /** \brief Configure the timer using its CONTROL register.
1651 * \param [in] value The new configuration value to be set.
1653 __STATIC_INLINE void PTIM_SetControl(uint32_t value)
1655 PTIM->CONTROL = value;
1658 /** ref Timer_Type::CONTROL Get the current timer configuration from its CONTROL register.
1659 * \return Timer_Type::CONTROL
1661 __STATIC_INLINE uint32_t PTIM_GetControl(void)
1663 return(PTIM->CONTROL);
1666 /** ref Timer_Type::CONTROL Get the event flag in timers ISR register.
1667 * \return 0 - flag is not set, 1- flag is set
1669 __STATIC_INLINE uint32_t PTIM_GetEventFlag(void)
1671 return (PTIM->ISR & 1UL);
1674 /** ref Timer_Type::CONTROL Clears the event flag in timers ISR register.
1676 __STATIC_INLINE void PTIM_ClearEventFlag(void)
1683 /* ########################## MMU functions ###################################### */
1685 #define SECTION_DESCRIPTOR (0x2)
1686 #define SECTION_MASK (0xFFFFFFFC)
1688 #define SECTION_TEXCB_MASK (0xFFFF8FF3)
1689 #define SECTION_B_SHIFT (2)
1690 #define SECTION_C_SHIFT (3)
1691 #define SECTION_TEX0_SHIFT (12)
1692 #define SECTION_TEX1_SHIFT (13)
1693 #define SECTION_TEX2_SHIFT (14)
1695 #define SECTION_XN_MASK (0xFFFFFFEF)
1696 #define SECTION_XN_SHIFT (4)
1698 #define SECTION_DOMAIN_MASK (0xFFFFFE1F)
1699 #define SECTION_DOMAIN_SHIFT (5)
1701 #define SECTION_P_MASK (0xFFFFFDFF)
1702 #define SECTION_P_SHIFT (9)
1704 #define SECTION_AP_MASK (0xFFFF73FF)
1705 #define SECTION_AP_SHIFT (10)
1706 #define SECTION_AP2_SHIFT (15)
1708 #define SECTION_S_MASK (0xFFFEFFFF)
1709 #define SECTION_S_SHIFT (16)
1711 #define SECTION_NG_MASK (0xFFFDFFFF)
1712 #define SECTION_NG_SHIFT (17)
1714 #define SECTION_NS_MASK (0xFFF7FFFF)
1715 #define SECTION_NS_SHIFT (19)
1717 #define PAGE_L1_DESCRIPTOR (0x1)
1718 #define PAGE_L1_MASK (0xFFFFFFFC)
1720 #define PAGE_L2_4K_DESC (0x2)
1721 #define PAGE_L2_4K_MASK (0xFFFFFFFD)
1723 #define PAGE_L2_64K_DESC (0x1)
1724 #define PAGE_L2_64K_MASK (0xFFFFFFFC)
1726 #define PAGE_4K_TEXCB_MASK (0xFFFFFE33)
1727 #define PAGE_4K_B_SHIFT (2)
1728 #define PAGE_4K_C_SHIFT (3)
1729 #define PAGE_4K_TEX0_SHIFT (6)
1730 #define PAGE_4K_TEX1_SHIFT (7)
1731 #define PAGE_4K_TEX2_SHIFT (8)
1733 #define PAGE_64K_TEXCB_MASK (0xFFFF8FF3)
1734 #define PAGE_64K_B_SHIFT (2)
1735 #define PAGE_64K_C_SHIFT (3)
1736 #define PAGE_64K_TEX0_SHIFT (12)
1737 #define PAGE_64K_TEX1_SHIFT (13)
1738 #define PAGE_64K_TEX2_SHIFT (14)
1740 #define PAGE_TEXCB_MASK (0xFFFF8FF3)
1741 #define PAGE_B_SHIFT (2)
1742 #define PAGE_C_SHIFT (3)
1743 #define PAGE_TEX_SHIFT (12)
1745 #define PAGE_XN_4K_MASK (0xFFFFFFFE)
1746 #define PAGE_XN_4K_SHIFT (0)
1747 #define PAGE_XN_64K_MASK (0xFFFF7FFF)
1748 #define PAGE_XN_64K_SHIFT (15)
1750 #define PAGE_DOMAIN_MASK (0xFFFFFE1F)
1751 #define PAGE_DOMAIN_SHIFT (5)
1753 #define PAGE_P_MASK (0xFFFFFDFF)
1754 #define PAGE_P_SHIFT (9)
1756 #define PAGE_AP_MASK (0xFFFFFDCF)
1757 #define PAGE_AP_SHIFT (4)
1758 #define PAGE_AP2_SHIFT (9)
1760 #define PAGE_S_MASK (0xFFFFFBFF)
1761 #define PAGE_S_SHIFT (10)
1763 #define PAGE_NG_MASK (0xFFFFF7FF)
1764 #define PAGE_NG_SHIFT (11)
1766 #define PAGE_NS_MASK (0xFFFFFFF7)
1767 #define PAGE_NS_SHIFT (3)
1769 #define OFFSET_1M (0x00100000)
1770 #define OFFSET_64K (0x00010000)
1771 #define OFFSET_4K (0x00001000)
1773 #define DESCRIPTOR_FAULT (0x00000000)
1775 /* Attributes enumerations */
1777 /* Region size attributes */
1783 } mmu_region_size_Type;
1785 /* Region type attributes */
1795 /* Region cacheability attributes */
1802 } mmu_cacheability_Type;
1804 /* Region parity check attributes */
1809 } mmu_ecc_check_Type;
1811 /* Region execution attributes */
1818 /* Region global attributes */
1825 /* Region shareability attributes */
1832 /* Region security attributes */
1839 /* Region access attributes */
1847 /* Memory Region definition */
1848 typedef struct RegionStruct {
1849 mmu_region_size_Type rg_t;
1850 mmu_memory_Type mem_t;
1852 mmu_cacheability_Type inner_norm_t;
1853 mmu_cacheability_Type outer_norm_t;
1854 mmu_ecc_check_Type e_t;
1855 mmu_execute_Type xn_t;
1856 mmu_global_Type g_t;
1857 mmu_secure_Type sec_t;
1858 mmu_access_Type priv_t;
1859 mmu_access_Type user_t;
1860 mmu_shared_Type sh_t;
1862 } mmu_region_attributes_Type;
1864 //Following macros define the descriptors and attributes
1865 //Sect_Normal. Outer & inner wb/wa, non-shareable, executable, rw, domain 0
1866 #define section_normal(descriptor_l1, region) region.rg_t = SECTION; \
1867 region.domain = 0x0; \
1868 region.e_t = ECC_DISABLED; \
1869 region.g_t = GLOBAL; \
1870 region.inner_norm_t = WB_WA; \
1871 region.outer_norm_t = WB_WA; \
1872 region.mem_t = NORMAL; \
1873 region.sec_t = SECURE; \
1874 region.xn_t = EXECUTE; \
1875 region.priv_t = RW; \
1876 region.user_t = RW; \
1877 region.sh_t = NON_SHARED; \
1878 MMU_GetSectionDescriptor(&descriptor_l1, region);
1880 //Sect_Normal_NC. Outer & inner non-cacheable, non-shareable, executable, rw, domain 0
1881 #define section_normal_nc(descriptor_l1, region) region.rg_t = SECTION; \
1882 region.domain = 0x0; \
1883 region.e_t = ECC_DISABLED; \
1884 region.g_t = GLOBAL; \
1885 region.inner_norm_t = NON_CACHEABLE; \
1886 region.outer_norm_t = NON_CACHEABLE; \
1887 region.mem_t = NORMAL; \
1888 region.sec_t = SECURE; \
1889 region.xn_t = EXECUTE; \
1890 region.priv_t = RW; \
1891 region.user_t = RW; \
1892 region.sh_t = NON_SHARED; \
1893 MMU_GetSectionDescriptor(&descriptor_l1, region);
1895 //Sect_Normal_Cod. Outer & inner wb/wa, non-shareable, executable, ro, domain 0
1896 #define section_normal_cod(descriptor_l1, region) region.rg_t = SECTION; \
1897 region.domain = 0x0; \
1898 region.e_t = ECC_DISABLED; \
1899 region.g_t = GLOBAL; \
1900 region.inner_norm_t = WB_WA; \
1901 region.outer_norm_t = WB_WA; \
1902 region.mem_t = NORMAL; \
1903 region.sec_t = SECURE; \
1904 region.xn_t = EXECUTE; \
1905 region.priv_t = READ; \
1906 region.user_t = READ; \
1907 region.sh_t = NON_SHARED; \
1908 MMU_GetSectionDescriptor(&descriptor_l1, region);
1910 //Sect_Normal_RO. Sect_Normal_Cod, but not executable
1911 #define section_normal_ro(descriptor_l1, region) region.rg_t = SECTION; \
1912 region.domain = 0x0; \
1913 region.e_t = ECC_DISABLED; \
1914 region.g_t = GLOBAL; \
1915 region.inner_norm_t = WB_WA; \
1916 region.outer_norm_t = WB_WA; \
1917 region.mem_t = NORMAL; \
1918 region.sec_t = SECURE; \
1919 region.xn_t = NON_EXECUTE; \
1920 region.priv_t = READ; \
1921 region.user_t = READ; \
1922 region.sh_t = NON_SHARED; \
1923 MMU_GetSectionDescriptor(&descriptor_l1, region);
1925 //Sect_Normal_RW. Sect_Normal_Cod, but writeable and not executable
1926 #define section_normal_rw(descriptor_l1, region) region.rg_t = SECTION; \
1927 region.domain = 0x0; \
1928 region.e_t = ECC_DISABLED; \
1929 region.g_t = GLOBAL; \
1930 region.inner_norm_t = WB_WA; \
1931 region.outer_norm_t = WB_WA; \
1932 region.mem_t = NORMAL; \
1933 region.sec_t = SECURE; \
1934 region.xn_t = NON_EXECUTE; \
1935 region.priv_t = RW; \
1936 region.user_t = RW; \
1937 region.sh_t = NON_SHARED; \
1938 MMU_GetSectionDescriptor(&descriptor_l1, region);
1939 //Sect_SO. Strongly-ordered (therefore shareable), not executable, rw, domain 0, base addr 0
1940 #define section_so(descriptor_l1, region) region.rg_t = SECTION; \
1941 region.domain = 0x0; \
1942 region.e_t = ECC_DISABLED; \
1943 region.g_t = GLOBAL; \
1944 region.inner_norm_t = NON_CACHEABLE; \
1945 region.outer_norm_t = NON_CACHEABLE; \
1946 region.mem_t = STRONGLY_ORDERED; \
1947 region.sec_t = SECURE; \
1948 region.xn_t = NON_EXECUTE; \
1949 region.priv_t = RW; \
1950 region.user_t = RW; \
1951 region.sh_t = NON_SHARED; \
1952 MMU_GetSectionDescriptor(&descriptor_l1, region);
1954 //Sect_Device_RO. Device, non-shareable, non-executable, ro, domain 0, base addr 0
1955 #define section_device_ro(descriptor_l1, region) region.rg_t = SECTION; \
1956 region.domain = 0x0; \
1957 region.e_t = ECC_DISABLED; \
1958 region.g_t = GLOBAL; \
1959 region.inner_norm_t = NON_CACHEABLE; \
1960 region.outer_norm_t = NON_CACHEABLE; \
1961 region.mem_t = STRONGLY_ORDERED; \
1962 region.sec_t = SECURE; \
1963 region.xn_t = NON_EXECUTE; \
1964 region.priv_t = READ; \
1965 region.user_t = READ; \
1966 region.sh_t = NON_SHARED; \
1967 MMU_GetSectionDescriptor(&descriptor_l1, region);
1969 //Sect_Device_RW. Sect_Device_RO, but writeable
1970 #define section_device_rw(descriptor_l1, region) region.rg_t = SECTION; \
1971 region.domain = 0x0; \
1972 region.e_t = ECC_DISABLED; \
1973 region.g_t = GLOBAL; \
1974 region.inner_norm_t = NON_CACHEABLE; \
1975 region.outer_norm_t = NON_CACHEABLE; \
1976 region.mem_t = STRONGLY_ORDERED; \
1977 region.sec_t = SECURE; \
1978 region.xn_t = NON_EXECUTE; \
1979 region.priv_t = RW; \
1980 region.user_t = RW; \
1981 region.sh_t = NON_SHARED; \
1982 MMU_GetSectionDescriptor(&descriptor_l1, region);
1983 //Page_4k_Device_RW. Shared device, not executable, rw, domain 0
1984 #define page4k_device_rw(descriptor_l1, descriptor_l2, region) region.rg_t = PAGE_4k; \
1985 region.domain = 0x0; \
1986 region.e_t = ECC_DISABLED; \
1987 region.g_t = GLOBAL; \
1988 region.inner_norm_t = NON_CACHEABLE; \
1989 region.outer_norm_t = NON_CACHEABLE; \
1990 region.mem_t = SHARED_DEVICE; \
1991 region.sec_t = SECURE; \
1992 region.xn_t = NON_EXECUTE; \
1993 region.priv_t = RW; \
1994 region.user_t = RW; \
1995 region.sh_t = NON_SHARED; \
1996 MMU_GetPageDescriptor(&descriptor_l1, &descriptor_l2, region);
1998 //Page_64k_Device_RW. Shared device, not executable, rw, domain 0
1999 #define page64k_device_rw(descriptor_l1, descriptor_l2, region) region.rg_t = PAGE_64k; \
2000 region.domain = 0x0; \
2001 region.e_t = ECC_DISABLED; \
2002 region.g_t = GLOBAL; \
2003 region.inner_norm_t = NON_CACHEABLE; \
2004 region.outer_norm_t = NON_CACHEABLE; \
2005 region.mem_t = SHARED_DEVICE; \
2006 region.sec_t = SECURE; \
2007 region.xn_t = NON_EXECUTE; \
2008 region.priv_t = RW; \
2009 region.user_t = RW; \
2010 region.sh_t = NON_SHARED; \
2011 MMU_GetPageDescriptor(&descriptor_l1, &descriptor_l2, region);
2013 /** \brief Set section execution-never attribute
2015 \param [out] descriptor_l1 L1 descriptor.
2016 \param [in] xn Section execution-never attribute : EXECUTE , NON_EXECUTE.
2020 __STATIC_INLINE int MMU_XNSection(uint32_t *descriptor_l1, mmu_execute_Type xn)
2022 *descriptor_l1 &= SECTION_XN_MASK;
2023 *descriptor_l1 |= ((xn & 0x1) << SECTION_XN_SHIFT);
2027 /** \brief Set section domain
2029 \param [out] descriptor_l1 L1 descriptor.
2030 \param [in] domain Section domain
2034 __STATIC_INLINE int MMU_DomainSection(uint32_t *descriptor_l1, uint8_t domain)
2036 *descriptor_l1 &= SECTION_DOMAIN_MASK;
2037 *descriptor_l1 |= ((domain & 0xF) << SECTION_DOMAIN_SHIFT);
2041 /** \brief Set section parity check
2043 \param [out] descriptor_l1 L1 descriptor.
2044 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
2048 __STATIC_INLINE int MMU_PSection(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
2050 *descriptor_l1 &= SECTION_P_MASK;
2051 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
2055 /** \brief Set section access privileges
2057 \param [out] descriptor_l1 L1 descriptor.
2058 \param [in] user User Level Access: NO_ACCESS, RW, READ
2059 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
2060 \param [in] afe Access flag enable
2064 __STATIC_INLINE int MMU_APSection(uint32_t *descriptor_l1, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
2068 if (afe == 0) { //full access
2069 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
2070 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
2071 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
2072 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
2073 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
2074 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
2077 else { //Simplified access
2078 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
2079 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
2080 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
2081 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
2084 *descriptor_l1 &= SECTION_AP_MASK;
2085 *descriptor_l1 |= (ap & 0x3) << SECTION_AP_SHIFT;
2086 *descriptor_l1 |= ((ap & 0x4)>>2) << SECTION_AP2_SHIFT;
2091 /** \brief Set section shareability
2093 \param [out] descriptor_l1 L1 descriptor.
2094 \param [in] s_bit Section shareability: NON_SHARED, SHARED
2098 __STATIC_INLINE int MMU_SharedSection(uint32_t *descriptor_l1, mmu_shared_Type s_bit)
2100 *descriptor_l1 &= SECTION_S_MASK;
2101 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_S_SHIFT);
2105 /** \brief Set section Global attribute
2107 \param [out] descriptor_l1 L1 descriptor.
2108 \param [in] g_bit Section attribute: GLOBAL, NON_GLOBAL
2112 __STATIC_INLINE int MMU_GlobalSection(uint32_t *descriptor_l1, mmu_global_Type g_bit)
2114 *descriptor_l1 &= SECTION_NG_MASK;
2115 *descriptor_l1 |= ((g_bit & 0x1) << SECTION_NG_SHIFT);
2119 /** \brief Set section Security attribute
2121 \param [out] descriptor_l1 L1 descriptor.
2122 \param [in] s_bit Section Security attribute: SECURE, NON_SECURE
2126 __STATIC_INLINE int MMU_SecureSection(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
2128 *descriptor_l1 &= SECTION_NS_MASK;
2129 *descriptor_l1 |= ((s_bit & 0x1) << SECTION_NS_SHIFT);
2133 /* Page 4k or 64k */
2134 /** \brief Set 4k/64k page execution-never attribute
2136 \param [out] descriptor_l2 L2 descriptor.
2137 \param [in] xn Page execution-never attribute : EXECUTE , NON_EXECUTE.
2138 \param [in] page Page size: PAGE_4k, PAGE_64k,
2142 __STATIC_INLINE int MMU_XNPage(uint32_t *descriptor_l2, mmu_execute_Type xn, mmu_region_size_Type page)
2144 if (page == PAGE_4k)
2146 *descriptor_l2 &= PAGE_XN_4K_MASK;
2147 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_4K_SHIFT);
2151 *descriptor_l2 &= PAGE_XN_64K_MASK;
2152 *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_64K_SHIFT);
2157 /** \brief Set 4k/64k page domain
2159 \param [out] descriptor_l1 L1 descriptor.
2160 \param [in] domain Page domain
2164 __STATIC_INLINE int MMU_DomainPage(uint32_t *descriptor_l1, uint8_t domain)
2166 *descriptor_l1 &= PAGE_DOMAIN_MASK;
2167 *descriptor_l1 |= ((domain & 0xf) << PAGE_DOMAIN_SHIFT);
2171 /** \brief Set 4k/64k page parity check
2173 \param [out] descriptor_l1 L1 descriptor.
2174 \param [in] p_bit Parity check: ECC_DISABLED, ECC_ENABLED
2178 __STATIC_INLINE int MMU_PPage(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
2180 *descriptor_l1 &= SECTION_P_MASK;
2181 *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
2185 /** \brief Set 4k/64k page access privileges
2187 \param [out] descriptor_l2 L2 descriptor.
2188 \param [in] user User Level Access: NO_ACCESS, RW, READ
2189 \param [in] priv Privilege Level Access: NO_ACCESS, RW, READ
2190 \param [in] afe Access flag enable
2194 __STATIC_INLINE int MMU_APPage(uint32_t *descriptor_l2, mmu_access_Type user, mmu_access_Type priv, uint32_t afe)
2198 if (afe == 0) { //full access
2199 if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
2200 else if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
2201 else if ((priv == RW) && (user == READ)) { ap = 0x2; }
2202 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
2203 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
2204 else if ((priv == READ) && (user == READ)) { ap = 0x6; }
2207 else { //Simplified access
2208 if ((priv == RW) && (user == NO_ACCESS)) { ap = 0x1; }
2209 else if ((priv == RW) && (user == RW)) { ap = 0x3; }
2210 else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
2211 else if ((priv == READ) && (user == READ)) { ap = 0x7; }
2214 *descriptor_l2 &= PAGE_AP_MASK;
2215 *descriptor_l2 |= (ap & 0x3) << PAGE_AP_SHIFT;
2216 *descriptor_l2 |= ((ap & 0x4)>>2) << PAGE_AP2_SHIFT;
2221 /** \brief Set 4k/64k page shareability
2223 \param [out] descriptor_l2 L2 descriptor.
2224 \param [in] s_bit 4k/64k page shareability: NON_SHARED, SHARED
2228 __STATIC_INLINE int MMU_SharedPage(uint32_t *descriptor_l2, mmu_shared_Type s_bit)
2230 *descriptor_l2 &= PAGE_S_MASK;
2231 *descriptor_l2 |= ((s_bit & 0x1) << PAGE_S_SHIFT);
2235 /** \brief Set 4k/64k page Global attribute
2237 \param [out] descriptor_l2 L2 descriptor.
2238 \param [in] g_bit 4k/64k page attribute: GLOBAL, NON_GLOBAL
2242 __STATIC_INLINE int MMU_GlobalPage(uint32_t *descriptor_l2, mmu_global_Type g_bit)
2244 *descriptor_l2 &= PAGE_NG_MASK;
2245 *descriptor_l2 |= ((g_bit & 0x1) << PAGE_NG_SHIFT);
2249 /** \brief Set 4k/64k page Security attribute
2251 \param [out] descriptor_l1 L1 descriptor.
2252 \param [in] s_bit 4k/64k page Security attribute: SECURE, NON_SECURE
2256 __STATIC_INLINE int MMU_SecurePage(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
2258 *descriptor_l1 &= PAGE_NS_MASK;
2259 *descriptor_l1 |= ((s_bit & 0x1) << PAGE_NS_SHIFT);
2263 /** \brief Set Section memory attributes
2265 \param [out] descriptor_l1 L1 descriptor.
2266 \param [in] mem Section memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
2267 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
2268 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
2272 __STATIC_INLINE int MMU_MemorySection(uint32_t *descriptor_l1, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner)
2274 *descriptor_l1 &= SECTION_TEXCB_MASK;
2276 if (STRONGLY_ORDERED == mem)
2280 else if (SHARED_DEVICE == mem)
2282 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
2284 else if (NON_SHARED_DEVICE == mem)
2286 *descriptor_l1 |= (1 << SECTION_TEX1_SHIFT);
2288 else if (NORMAL == mem)
2290 *descriptor_l1 |= 1 << SECTION_TEX2_SHIFT;
2296 *descriptor_l1 |= (1 << SECTION_B_SHIFT);
2299 *descriptor_l1 |= 1 << SECTION_C_SHIFT;
2302 *descriptor_l1 |= (1 << SECTION_B_SHIFT) | (1 << SECTION_C_SHIFT);
2310 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT);
2313 *descriptor_l1 |= 1 << SECTION_TEX1_SHIFT;
2316 *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT) | (1 << SECTION_TEX0_SHIFT);
2323 /** \brief Set 4k/64k page memory attributes
2325 \param [out] descriptor_l2 L2 descriptor.
2326 \param [in] mem 4k/64k page memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
2327 \param [in] outer Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
2328 \param [in] inner Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
2329 \param [in] page Page size
2333 __STATIC_INLINE int MMU_MemoryPage(uint32_t *descriptor_l2, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner, mmu_region_size_Type page)
2335 *descriptor_l2 &= PAGE_4K_TEXCB_MASK;
2337 if (page == PAGE_64k)
2340 MMU_MemorySection(descriptor_l2, mem, outer, inner);
2344 if (STRONGLY_ORDERED == mem)
2348 else if (SHARED_DEVICE == mem)
2350 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
2352 else if (NON_SHARED_DEVICE == mem)
2354 *descriptor_l2 |= (1 << PAGE_4K_TEX1_SHIFT);
2356 else if (NORMAL == mem)
2358 *descriptor_l2 |= 1 << PAGE_4K_TEX2_SHIFT;
2364 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
2367 *descriptor_l2 |= 1 << PAGE_4K_C_SHIFT;
2370 *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT) | (1 << PAGE_4K_C_SHIFT);
2378 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT);
2381 *descriptor_l2 |= 1 << PAGE_4K_TEX1_SHIFT;
2384 *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT) | (1 << PAGE_4K_TEX0_SHIFT);
2393 /** \brief Create a L1 section descriptor
2395 \param [out] descriptor L1 descriptor
2396 \param [in] reg Section attributes
2400 __STATIC_INLINE int MMU_GetSectionDescriptor(uint32_t *descriptor, mmu_region_attributes_Type reg)
2404 MMU_MemorySection(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t);
2405 MMU_XNSection(descriptor,reg.xn_t);
2406 MMU_DomainSection(descriptor, reg.domain);
2407 MMU_PSection(descriptor, reg.e_t);
2408 MMU_APSection(descriptor, reg.priv_t, reg.user_t, 1);
2409 MMU_SharedSection(descriptor,reg.sh_t);
2410 MMU_GlobalSection(descriptor,reg.g_t);
2411 MMU_SecureSection(descriptor,reg.sec_t);
2412 *descriptor &= SECTION_MASK;
2413 *descriptor |= SECTION_DESCRIPTOR;
2419 /** \brief Create a L1 and L2 4k/64k page descriptor
2421 \param [out] descriptor L1 descriptor
2422 \param [out] descriptor2 L2 descriptor
2423 \param [in] reg 4k/64k page attributes
2427 __STATIC_INLINE int MMU_GetPageDescriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg)
2435 MMU_MemoryPage(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k);
2436 MMU_XNPage(descriptor2, reg.xn_t, PAGE_4k);
2437 MMU_DomainPage(descriptor, reg.domain);
2438 MMU_PPage(descriptor, reg.e_t);
2439 MMU_APPage(descriptor2, reg.priv_t, reg.user_t, 1);
2440 MMU_SharedPage(descriptor2,reg.sh_t);
2441 MMU_GlobalPage(descriptor2,reg.g_t);
2442 MMU_SecurePage(descriptor,reg.sec_t);
2443 *descriptor &= PAGE_L1_MASK;
2444 *descriptor |= PAGE_L1_DESCRIPTOR;
2445 *descriptor2 &= PAGE_L2_4K_MASK;
2446 *descriptor2 |= PAGE_L2_4K_DESC;
2450 MMU_MemoryPage(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k);
2451 MMU_XNPage(descriptor2, reg.xn_t, PAGE_64k);
2452 MMU_DomainPage(descriptor, reg.domain);
2453 MMU_PPage(descriptor, reg.e_t);
2454 MMU_APPage(descriptor2, reg.priv_t, reg.user_t, 1);
2455 MMU_SharedPage(descriptor2,reg.sh_t);
2456 MMU_GlobalPage(descriptor2,reg.g_t);
2457 MMU_SecurePage(descriptor,reg.sec_t);
2458 *descriptor &= PAGE_L1_MASK;
2459 *descriptor |= PAGE_L1_DESCRIPTOR;
2460 *descriptor2 &= PAGE_L2_64K_MASK;
2461 *descriptor2 |= PAGE_L2_64K_DESC;
2472 /** \brief Create a 1MB Section
2474 \param [in] ttb Translation table base address
2475 \param [in] base_address Section base address
2476 \param [in] count Number of sections to create
2477 \param [in] descriptor_l1 L1 descriptor (region attributes)
2480 __STATIC_INLINE void MMU_TTSection(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1)
2486 offset = base_address >> 20;
2487 entry = (base_address & 0xFFF00000) | descriptor_l1;
2492 for (i = 0; i < count; i++ )
2500 /** \brief Create a 4k page entry
2502 \param [in] ttb L1 table base address
2503 \param [in] base_address 4k base address
2504 \param [in] count Number of 4k pages to create
2505 \param [in] descriptor_l1 L1 descriptor (region attributes)
2506 \param [in] ttb_l2 L2 table base address
2507 \param [in] descriptor_l2 L2 descriptor (region attributes)
2510 __STATIC_INLINE void MMU_TTPage4k(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1, uint32_t *ttb_l2, uint32_t descriptor_l2 )
2513 uint32_t offset, offset2;
2514 uint32_t entry, entry2;
2517 offset = base_address >> 20;
2518 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
2525 offset2 = (base_address & 0xff000) >> 12;
2527 entry2 = (base_address & 0xFFFFF000) | descriptor_l2;
2528 for (i = 0; i < count; i++ )
2532 entry2 += OFFSET_4K;
2536 /** \brief Create a 64k page entry
2538 \param [in] ttb L1 table base address
2539 \param [in] base_address 64k base address
2540 \param [in] count Number of 64k pages to create
2541 \param [in] descriptor_l1 L1 descriptor (region attributes)
2542 \param [in] ttb_l2 L2 table base address
2543 \param [in] descriptor_l2 L2 descriptor (region attributes)
2546 __STATIC_INLINE void MMU_TTPage64k(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1, uint32_t *ttb_l2, uint32_t descriptor_l2 )
2548 uint32_t offset, offset2;
2549 uint32_t entry, entry2;
2553 offset = base_address >> 20;
2554 entry = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
2561 offset2 = (base_address & 0xff000) >> 12;
2563 entry2 = (base_address & 0xFFFF0000) | descriptor_l2;
2564 for (i = 0; i < count; i++ )
2567 for (j = 0; j < 16; j++)
2572 entry2 += OFFSET_64K;
2576 /** \brief Enable MMU
2578 __STATIC_INLINE void MMU_Enable(void)
2580 // Set M bit 0 to enable the MMU
2581 // Set AFE bit to enable simplified access permissions model
2582 // Clear TRE bit to disable TEX remap and A bit to disable strict alignment fault checking
2583 __set_SCTLR( (__get_SCTLR() & ~(1 << 28) & ~(1 << 1)) | 1 | (1 << 29));
2587 /** \brief Disable MMU
2589 __STATIC_INLINE void MMU_Disable(void)
2591 // Clear M bit 0 to disable the MMU
2592 __set_SCTLR( __get_SCTLR() & ~1);
2596 /** \brief Invalidate entire unified TLB
2599 __STATIC_INLINE void MMU_InvalidateTLB(void)
2602 __DSB(); //ensure completion of the invalidation
2603 __ISB(); //ensure instruction fetch path sees new state
2611 #endif /* __CORE_CA_H_DEPENDANT */
2613 #endif /* __CMSIS_GENERIC */