1 /** @file 2 3 Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> 4 Copyright (c) 2011-2015, ARM Ltd. All rights reserved.<BR> 5 6 This program and the accompanying materials 7 are licensed and made available under the terms and conditions of the BSD License 8 which accompanies this distribution. The full text of the license may be found at 9 http://opensource.org/licenses/bsd-license.php 10 11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 13 14 **/ 15 16 #ifndef __ARM_V7_H__ 17 #define __ARM_V7_H__ 18 19 #include <Chipset/ArmV7Mmu.h> 20 #include <Chipset/ArmArchTimer.h> 21 22 // ARM Interrupt ID in Exception Table 23 #define ARM_ARCH_EXCEPTION_IRQ EXCEPT_ARM_IRQ 24 25 // ID_PFR1 - ARM Processor Feature Register 1 definitions 26 #define ARM_PFR1_SEC (0xFUL << 4) 27 #define ARM_PFR1_TIMER (0xFUL << 16) 28 #define ARM_PFR1_GIC (0xFUL << 28) 29 30 // Domain Access Control Register 31 #define DOMAIN_ACCESS_CONTROL_MASK(a) (3UL << (2 * (a))) 32 #define DOMAIN_ACCESS_CONTROL_NONE(a) (0UL << (2 * (a))) 33 #define DOMAIN_ACCESS_CONTROL_CLIENT(a) (1UL << (2 * (a))) 34 #define DOMAIN_ACCESS_CONTROL_RESERVED(a) (2UL << (2 * (a))) 35 #define DOMAIN_ACCESS_CONTROL_MANAGER(a) (3UL << (2 * (a))) 36 37 // CPSR - Coprocessor Status Register definitions 38 #define CPSR_MODE_USER 0x10 39 #define CPSR_MODE_FIQ 0x11 40 #define CPSR_MODE_IRQ 0x12 41 #define CPSR_MODE_SVC 0x13 42 #define CPSR_MODE_ABORT 0x17 43 #define CPSR_MODE_HYP 0x1A 44 #define CPSR_MODE_UNDEFINED 0x1B 45 #define CPSR_MODE_SYSTEM 0x1F 46 #define CPSR_MODE_MASK 0x1F 47 #define CPSR_ASYNC_ABORT (1 << 8) 48 #define CPSR_IRQ (1 << 7) 49 #define CPSR_FIQ (1 << 6) 50 51 52 // CPACR - Coprocessor Access Control Register definitions 53 #define CPACR_CP_DENIED(cp) 0x00 54 #define CPACR_CP_PRIV(cp) ((0x1 << ((cp) << 1)) & 0x0FFFFFFF) 55 #define CPACR_CP_FULL(cp) ((0x3 << ((cp) << 1)) & 0x0FFFFFFF) 56 #define CPACR_ASEDIS (1 << 31) 57 #define CPACR_D32DIS (1 << 30) 58 #define CPACR_CP_FULL_ACCESS 0x0FFFFFFF 59 60 // NSACR - Non-Secure Access Control Register definitions 61 #define NSACR_CP(cp) ((1 << (cp)) & 0x3FFF) 62 #define NSACR_NSD32DIS (1 << 14) 63 #define NSACR_NSASEDIS (1 << 15) 64 #define NSACR_PLE (1 << 16) 65 #define NSACR_TL (1 << 17) 66 #define NSACR_NS_SMP (1 << 18) 67 #define NSACR_RFR (1 << 19) 68 69 // SCR - Secure Configuration Register definitions 70 #define SCR_NS (1 << 0) 71 #define SCR_IRQ (1 << 1) 72 #define SCR_FIQ (1 << 2) 73 #define SCR_EA (1 << 3) 74 #define SCR_FW (1 << 4) 75 #define SCR_AW (1 << 5) 76 77 // MIDR - Main ID Register definitions 78 #define ARM_CPU_TYPE_SHIFT 4 79 #define ARM_CPU_TYPE_MASK 0xFFF 80 #define ARM_CPU_TYPE_AEMv8 0xD0F 81 #define ARM_CPU_TYPE_A53 0xD03 82 #define ARM_CPU_TYPE_A57 0xD07 83 #define ARM_CPU_TYPE_A15 0xC0F 84 #define ARM_CPU_TYPE_A12 0xC0D 85 #define ARM_CPU_TYPE_A9 0xC09 86 #define ARM_CPU_TYPE_A7 0xC07 87 #define ARM_CPU_TYPE_A5 0xC05 88 89 #define ARM_CPU_REV_MASK ((0xF << 20) | (0xF) ) 90 #define ARM_CPU_REV(rn, pn) ((((rn) & 0xF) << 20) | ((pn) & 0xF)) 91 92 #define ARM_VECTOR_TABLE_ALIGNMENT ((1 << 5)-1) 93 94 VOID 95 EFIAPI 96 ArmEnableSWPInstruction ( 97 VOID 98 ); 99 100 UINTN 101 EFIAPI 102 ArmReadCbar ( 103 VOID 104 ); 105 106 UINTN 107 EFIAPI 108 ArmReadTpidrurw ( 109 VOID 110 ); 111 112 VOID 113 EFIAPI 114 ArmWriteTpidrurw ( 115 UINTN Value 116 ); 117 118 UINT32 119 EFIAPI 120 ArmReadNsacr ( 121 VOID 122 ); 123 124 VOID 125 EFIAPI 126 ArmWriteNsacr ( 127 IN UINT32 Nsacr 128 ); 129 130 #endif // __ARM_V7_H__ 131