| /**************************************************************************** |
| * @file partition_ARMCM55.h |
| * @brief CMSIS-CORE Initial Setup for Secure / Non-Secure Zones for Armv8.1-M Mainline |
| * @version V1.0.0 |
| * @date 20. March 2020 |
| ******************************************************************************/ |
| /* |
| * Copyright (c) 2020-2021 Arm Limited. All rights reserved. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Licensed under the Apache License, Version 2.0 (the License); you may |
| * not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an AS IS BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef PARTITION_ARMCM55_H |
| #define PARTITION_ARMCM55_H |
| |
| #include "trustzone.h" |
| |
| #define SAU_INIT_CTRL 0 |
| #define SAU_INIT_CTRL_ENABLE 1 |
| #define SAU_INIT_CTRL_ALLNS 0 |
| |
| #define SAU_REGIONS_MAX 8 /* Max. number of SAU regions */ |
| |
| #define SAU_INIT_REGION0 1 |
| #define SAU_INIT_START0 TZ_S_ITCM_START /* start address of SAU region 0 */ |
| #define SAU_INIT_END0 (TZ_S_ITCM_START + TZ_S_ITCM_SIZE - 1) /* end address of SAU region 0 */ |
| #define SAU_INIT_NSC0 1 |
| |
| #define SAU_INIT_REGION1 1 |
| #define SAU_INIT_START1 (TZ_NS_ITCM_START) |
| #define SAU_INIT_END1 (TZ_NS_ITCM_START + TZ_NS_ITCM_SIZE - 1) |
| #define SAU_INIT_NSC1 0 |
| |
| #define SAU_INIT_REGION2 1 |
| #define SAU_INIT_START2 (TZ_S_SRAM_START) |
| #define SAU_INIT_END2 (TZ_S_SRAM_START + TZ_S_SRAM_SIZE - 1) |
| #define SAU_INIT_NSC2 1 |
| |
| #define SAU_INIT_REGION3 1 |
| #define SAU_INIT_START3 (TZ_NS_SRAM_START) |
| #define SAU_INIT_END3 (TZ_NS_SRAM_START + TZ_NS_SRAM_SIZE - 1) |
| #define SAU_INIT_NSC3 0 |
| |
| #define SAU_INIT_REGION4 1 |
| #define SAU_INIT_START4 TZ_S_DTCM_START /* start address of SAU region 4 */ |
| #define SAU_INIT_END4 (TZ_S_DTCM_START + TZ_S_DTCM_SIZE - 1) /* end address of SAU region 4 */ |
| #define SAU_INIT_NSC4 1 |
| |
| #define SAU_INIT_REGION5 1 |
| #define SAU_INIT_START5 (TZ_NS_DTCM_START) |
| #define SAU_INIT_END5 (TZ_NS_DTCM_START + TZ_NS_DTCM_SIZE - 1) |
| #define SAU_INIT_NSC5 0 |
| |
| #define SAU_INIT_REGION6 1 |
| #define SAU_INIT_START6 (TZ_NSC_START) |
| #define SAU_INIT_END6 (TZ_NSC_START + TZ_NSC_SIZE - 1) |
| #define SAU_INIT_NSC6 1 |
| |
| /* |
| // <e>Setup behaviour of Sleep and Exception Handling |
| */ |
| #define SCB_CSR_AIRCR_INIT 1 |
| |
| /* |
| // <o> Deep Sleep can be enabled by |
| // <0=>Secure and Non-Secure state |
| // <1=>Secure state only |
| // <i> Value for SCB->CSR register bit DEEPSLEEPS |
| */ |
| #define SCB_CSR_DEEPSLEEPS_VAL 1 |
| |
| /* |
| // <o>System reset request accessible from |
| // <0=> Secure and Non-Secure state |
| // <1=> Secure state only |
| // <i> Value for SCB->AIRCR register bit SYSRESETREQS |
| */ |
| #define SCB_AIRCR_SYSRESETREQS_VAL 0 |
| |
| /* |
| // <o>Priority of Non-Secure exceptions is |
| // <0=> Not altered |
| // <1=> Lowered to 0x80-0xFF |
| // <i> Value for SCB->AIRCR register bit PRIS |
| */ |
| #define SCB_AIRCR_PRIS_VAL 1 |
| |
| /* |
| // <o>BusFault, HardFault, and NMI target |
| // <0=> Secure state |
| // <1=> Non-Secure state |
| // <i> Value for SCB->AIRCR register bit BFHFNMINS |
| */ |
| #define SCB_AIRCR_BFHFNMINS_VAL 0 |
| |
| /* |
| // </e> |
| */ |
| |
| /* |
| // <e>Setup behaviour of Floating Point and Vector Unit (FPU/MVE) |
| */ |
| #define TZ_FPU_NS_USAGE 1 |
| |
| /* |
| // <o>Floating Point and Vector Unit usage |
| // <0=> Secure state only |
| // <3=> Secure and Non-Secure state |
| // <i> Value for SCB->NSACR register bits CP10, CP11 |
| */ |
| #define SCB_NSACR_CP10_11_VAL 3 |
| |
| /* |
| // <o>Treat floating-point registers as Secure |
| // <0=> Disabled |
| // <1=> Enabled |
| // <i> Value for FPU->FPCCR register bit TS |
| */ |
| #define FPU_FPCCR_TS_VAL 0 |
| |
| /* |
| // <o>Clear on return (CLRONRET) accessibility |
| // <0=> Secure and Non-Secure state |
| // <1=> Secure state only |
| // <i> Value for FPU->FPCCR register bit CLRONRETS |
| */ |
| #define FPU_FPCCR_CLRONRETS_VAL 0 |
| |
| /* |
| // <o>Clear floating-point caller saved registers on exception return |
| // <0=> Disabled |
| // <1=> Enabled |
| // <i> Value for FPU->FPCCR register bit CLRONRET |
| */ |
| #define FPU_FPCCR_CLRONRET_VAL 1 |
| |
| /* |
| // </e> |
| */ |
| |
| /* |
| // <h>Setup Interrupt Target |
| */ |
| |
| /* |
| // <e>Initialize ITNS 0 (Interrupts 0..31) |
| */ |
| #define NVIC_INIT_ITNS0 1 |
| #define NVIC_INIT_ITNS0_VAL 0x00000000 |
| |
| /* |
| // <e>Initialize ITNS 1 (Interrupts 32..63) |
| */ |
| #define NVIC_INIT_ITNS1 1 |
| #define NVIC_INIT_ITNS1_VAL 0x00000000 // 0x01000000 |
| |
| /* |
| // <e>Initialize ITNS 2 (Interrupts 64..95) |
| */ |
| #define NVIC_INIT_ITNS2 1 |
| #define NVIC_INIT_ITNS2_VAL 0x00000000 |
| /* |
| // <e>Initialize ITNS 3 (Interrupts 96..127) |
| */ |
| #define NVIC_INIT_ITNS3 0 |
| #define NVIC_INIT_ITNS3_VAL 0x00000000 |
| /* |
| // <e>Initialize ITNS 4 (Interrupts 128..159) |
| */ |
| #define NVIC_INIT_ITNS4 0 |
| #define NVIC_INIT_ITNS4_VAL 0x00000000 |
| /* |
| // <e>Initialize ITNS 5 (Interrupts 160..191) |
| */ |
| #define NVIC_INIT_ITNS5 0 |
| #define NVIC_INIT_ITNS5_VAL 0x00000000 |
| /* |
| // <e>Initialize ITNS 6 (Interrupts 192..223) |
| */ |
| #define NVIC_INIT_ITNS6 0 |
| #define NVIC_INIT_ITNS6_VAL 0x00000000 |
| |
| /* |
| // <e>Initialize ITNS 7 (Interrupts 224..255) |
| */ |
| #define NVIC_INIT_ITNS7 0 |
| #define NVIC_INIT_ITNS7_VAL 0x00000000 |
| /* |
| // <e>Initialize ITNS 8 (Interrupts 256..287) |
| */ |
| #define NVIC_INIT_ITNS8 0 |
| #define NVIC_INIT_ITNS8_VAL 0x00000000 |
| /* |
| // <e>Initialize ITNS 9 (Interrupts 288..319) |
| */ |
| #define NVIC_INIT_ITNS9 0 |
| #define NVIC_INIT_ITNS9_VAL 0x00000000 |
| /* |
| // <e>Initialize ITNS 10 (Interrupts 320..351) |
| */ |
| #define NVIC_INIT_ITNS10 0 |
| #define NVIC_INIT_ITNS10_VAL 0x00000000 |
| /* |
| // <e>Initialize ITNS 11 (Interrupts 352..383) |
| */ |
| #define NVIC_INIT_ITNS11 0 |
| #define NVIC_INIT_ITNS11_VAL 0x00000000 |
| /* |
| // <e>Initialize ITNS 12 (Interrupts 384..415) |
| */ |
| #define NVIC_INIT_ITNS12 0 |
| #define NVIC_INIT_ITNS12_VAL 0x00000000 |
| /* |
| // <e>Initialize ITNS 13 (Interrupts 416..447) |
| */ |
| #define NVIC_INIT_ITNS13 0 |
| #define NVIC_INIT_ITNS13_VAL 0x00000000 |
| /* |
| // <e>Initialize ITNS 14 (Interrupts 448..479) |
| */ |
| #define NVIC_INIT_ITNS14 0 |
| #define NVIC_INIT_ITNS14_VAL 0x00000000 |
| /* |
| // <e>Initialize ITNS 15 (Interrupts 480..511) |
| */ |
| #define NVIC_INIT_ITNS15 0 |
| #define NVIC_INIT_ITNS15_VAL 0x00000000 |
| |
| /* |
| max 128 SAU regions. |
| SAU regions are defined in partition.h |
| */ |
| |
| #define SAU_INIT_REGION(n) \ |
| SAU->RNR = (n & SAU_RNR_REGION_Msk); \ |
| SAU->RBAR = (SAU_INIT_START##n & SAU_RBAR_BADDR_Msk); \ |
| SAU->RLAR = (SAU_INIT_END##n & SAU_RLAR_LADDR_Msk) | ((SAU_INIT_NSC##n << SAU_RLAR_NSC_Pos) & SAU_RLAR_NSC_Msk) | 1U |
| |
| /** |
| \brief Setup a SAU Region |
| \details Writes the region information contained in SAU_Region to the |
| registers SAU_RNR, SAU_RBAR, and SAU_RLAR |
| */ |
| __STATIC_INLINE void TZ_SAU_Setup(void) { |
| |
| #if defined(__SAUREGION_PRESENT) && (__SAUREGION_PRESENT == 1U) |
| |
| #if defined(SAU_INIT_REGION0) && (SAU_INIT_REGION0 == 1U) |
| SAU_INIT_REGION(0); |
| #endif |
| |
| #if defined(SAU_INIT_REGION1) && (SAU_INIT_REGION1 == 1U) |
| SAU_INIT_REGION(1); |
| #endif |
| |
| #if defined(SAU_INIT_REGION2) && (SAU_INIT_REGION2 == 1U) |
| SAU_INIT_REGION(2); |
| #endif |
| |
| #if defined(SAU_INIT_REGION3) && (SAU_INIT_REGION3 == 1U) |
| SAU_INIT_REGION(3); |
| #endif |
| |
| #if defined(SAU_INIT_REGION4) && (SAU_INIT_REGION4 == 1U) |
| SAU_INIT_REGION(4); |
| #endif |
| |
| #if defined(SAU_INIT_REGION5) && (SAU_INIT_REGION5 == 1U) |
| SAU_INIT_REGION(5); |
| #endif |
| |
| #if defined(SAU_INIT_REGION6) && (SAU_INIT_REGION6 == 1U) |
| SAU_INIT_REGION(6); |
| #endif |
| |
| #if defined(SAU_INIT_REGION7) && (SAU_INIT_REGION7 == 1U) |
| SAU_INIT_REGION(7); |
| #endif |
| |
| /* repeat this for all possible SAU regions */ |
| |
| #endif /* defined (__SAUREGION_PRESENT) && (__SAUREGION_PRESENT == 1U) */ |
| |
| #if defined(SAU_INIT_CTRL) && (SAU_INIT_CTRL == 1U) |
| SAU->CTRL = ((SAU_INIT_CTRL_ENABLE << SAU_CTRL_ENABLE_Pos) & SAU_CTRL_ENABLE_Msk) | |
| ((SAU_INIT_CTRL_ALLNS << SAU_CTRL_ALLNS_Pos) & SAU_CTRL_ALLNS_Msk); |
| #endif |
| |
| #if defined(SCB_CSR_AIRCR_INIT) && (SCB_CSR_AIRCR_INIT == 1U) |
| SCB->SCR = (SCB->SCR & ~(SCB_SCR_SLEEPDEEPS_Msk)) | |
| ((SCB_CSR_DEEPSLEEPS_VAL << SCB_SCR_SLEEPDEEPS_Pos) & SCB_SCR_SLEEPDEEPS_Msk); |
| |
| SCB->AIRCR = (SCB->AIRCR & ~(SCB_AIRCR_VECTKEY_Msk | SCB_AIRCR_SYSRESETREQS_Msk | SCB_AIRCR_BFHFNMINS_Msk | |
| SCB_AIRCR_PRIS_Msk)) | |
| ((0x05FAU << SCB_AIRCR_VECTKEY_Pos) & SCB_AIRCR_VECTKEY_Msk) | |
| ((SCB_AIRCR_SYSRESETREQS_VAL << SCB_AIRCR_SYSRESETREQS_Pos) & SCB_AIRCR_SYSRESETREQS_Msk) | |
| ((SCB_AIRCR_PRIS_VAL << SCB_AIRCR_PRIS_Pos) & SCB_AIRCR_PRIS_Msk) | |
| ((SCB_AIRCR_BFHFNMINS_VAL << SCB_AIRCR_BFHFNMINS_Pos) & SCB_AIRCR_BFHFNMINS_Msk); |
| #endif /* defined (SCB_CSR_AIRCR_INIT) && (SCB_CSR_AIRCR_INIT == 1U) */ |
| |
| #if (((defined(__FPU_USED) && (__FPU_USED == 1U)) || (defined(__ARM_FEATURE_MVE) && (__ARM_FEATURE_MVE > 0))) && \ |
| (defined(TZ_FPU_NS_USAGE) && (TZ_FPU_NS_USAGE == 1U))) |
| |
| SCB->NSACR = (SCB->NSACR & ~(SCB_NSACR_CP10_Msk | SCB_NSACR_CP11_Msk)) | |
| ((SCB_NSACR_CP10_11_VAL << SCB_NSACR_CP10_Pos) & (SCB_NSACR_CP10_Msk | SCB_NSACR_CP11_Msk)); |
| |
| FPU->FPCCR = (FPU->FPCCR & ~(FPU_FPCCR_TS_Msk | FPU_FPCCR_CLRONRETS_Msk | FPU_FPCCR_CLRONRET_Msk)) | |
| ((FPU_FPCCR_TS_VAL << FPU_FPCCR_TS_Pos) & FPU_FPCCR_TS_Msk) | |
| ((FPU_FPCCR_CLRONRETS_VAL << FPU_FPCCR_CLRONRETS_Pos) & FPU_FPCCR_CLRONRETS_Msk) | |
| ((FPU_FPCCR_CLRONRET_VAL << FPU_FPCCR_CLRONRET_Pos) & FPU_FPCCR_CLRONRET_Msk); |
| #endif |
| #if defined(NVIC_INIT_ITNS0) && (NVIC_INIT_ITNS0 == 1U) |
| NVIC->ITNS[0] = NVIC_INIT_ITNS0_VAL; |
| #endif |
| |
| #if defined(NVIC_INIT_ITNS1) && (NVIC_INIT_ITNS1 == 1U) |
| NVIC->ITNS[1] = NVIC_INIT_ITNS1_VAL; |
| #endif |
| |
| #if defined(NVIC_INIT_ITNS2) && (NVIC_INIT_ITNS2 == 1U) |
| NVIC->ITNS[2] = NVIC_INIT_ITNS2_VAL; |
| #endif |
| |
| #if defined(NVIC_INIT_ITNS3) && (NVIC_INIT_ITNS3 == 1U) |
| NVIC->ITNS[3] = NVIC_INIT_ITNS3_VAL; |
| #endif |
| |
| #if defined(NVIC_INIT_ITNS4) && (NVIC_INIT_ITNS4 == 1U) |
| NVIC->ITNS[4] = NVIC_INIT_ITNS4_VAL; |
| #endif |
| |
| #if defined(NVIC_INIT_ITNS5) && (NVIC_INIT_ITNS5 == 1U) |
| NVIC->ITNS[5] = NVIC_INIT_ITNS5_VAL; |
| #endif |
| |
| #if defined(NVIC_INIT_ITNS6) && (NVIC_INIT_ITNS6 == 1U) |
| NVIC->ITNS[6] = NVIC_INIT_ITNS6_VAL; |
| #endif |
| |
| #if defined(NVIC_INIT_ITNS7) && (NVIC_INIT_ITNS7 == 1U) |
| NVIC->ITNS[7] = NVIC_INIT_ITNS7_VAL; |
| #endif |
| |
| #if defined(NVIC_INIT_ITNS8) && (NVIC_INIT_ITNS8 == 1U) |
| NVIC->ITNS[8] = NVIC_INIT_ITNS8_VAL; |
| #endif |
| |
| #if defined(NVIC_INIT_ITNS9) && (NVIC_INIT_ITNS9 == 1U) |
| NVIC->ITNS[9] = NVIC_INIT_ITNS9_VAL; |
| #endif |
| |
| #if defined(NVIC_INIT_ITNS10) && (NVIC_INIT_ITNS10 == 1U) |
| NVIC->ITNS[10] = NVIC_INIT_ITNS10_VAL; |
| #endif |
| |
| #if defined(NVIC_INIT_ITNS11) && (NVIC_INIT_ITNS11 == 1U) |
| NVIC->ITNS[11] = NVIC_INIT_ITNS11_VAL; |
| #endif |
| |
| #if defined(NVIC_INIT_ITNS12) && (NVIC_INIT_ITNS12 == 1U) |
| NVIC->ITNS[12] = NVIC_INIT_ITNS12_VAL; |
| #endif |
| |
| #if defined(NVIC_INIT_ITNS13) && (NVIC_INIT_ITNS13 == 1U) |
| NVIC->ITNS[13] = NVIC_INIT_ITNS13_VAL; |
| #endif |
| |
| #if defined(NVIC_INIT_ITNS14) && (NVIC_INIT_ITNS14 == 1U) |
| NVIC->ITNS[14] = NVIC_INIT_ITNS14_VAL; |
| #endif |
| |
| #if defined(NVIC_INIT_ITNS15) && (NVIC_INIT_ITNS15 == 1U) |
| NVIC->ITNS[15] = NVIC_INIT_ITNS15_VAL; |
| #endif |
| /* repeat this for all possible ITNS elements */ |
| } |
| |
| #endif /* PARTITION_ARMCM55_H */ |