1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * (C) Copyright 2010,2011
4 * Vladimir Khusainov, Emcraft Systems, vlad@emcraft.com
7 * Kamil Lulko, <kamil.lulko@gmail.com>
13 /* armv7m fixed base addresses */
14 #define V7M_SCS_BASE 0xE000E000
15 #define V7M_NVIC_BASE (V7M_SCS_BASE + 0x0100)
16 #define V7M_SCB_BASE (V7M_SCS_BASE + 0x0D00)
17 #define V7M_PROC_FTR_BASE (V7M_SCS_BASE + 0x0D78)
18 #define V7M_MPU_BASE (V7M_SCS_BASE + 0x0D90)
19 #define V7M_FPU_BASE (V7M_SCS_BASE + 0x0F30)
20 #define V7M_CACHE_MAINT_BASE (V7M_SCS_BASE + 0x0F50)
21 #define V7M_ACCESS_CNTL_BASE (V7M_SCS_BASE + 0x0F90)
23 #define V7M_SCB_VTOR 0x08
25 #if !defined(__ASSEMBLY__)
27 uint32_t cpuid; /* CPUID Base Register */
28 uint32_t icsr; /* Interrupt Control and State Register */
29 uint32_t vtor; /* Vector Table Offset Register */
30 uint32_t aircr; /* App Interrupt and Reset Control Register */
31 uint32_t scr; /* offset 0x10: System Control Register */
32 uint32_t ccr; /* offset 0x14: Config and Control Register */
33 uint32_t shpr1; /* offset 0x18: System Handler Priority Reg 1 */
34 uint32_t shpr2; /* offset 0x1c: System Handler Priority Reg 2 */
35 uint32_t shpr3; /* offset 0x20: System Handler Priority Reg 3 */
36 uint32_t shcrs; /* offset 0x24: System Handler Control State */
37 uint32_t cfsr; /* offset 0x28: Configurable Fault Status Reg */
38 uint32_t hfsr; /* offset 0x2C: HardFault Status Register */
39 uint32_t res; /* offset 0x30: reserved */
40 uint32_t mmar; /* offset 0x34: MemManage Fault Address Reg */
41 uint32_t bfar; /* offset 0x38: BusFault Address Reg */
42 uint32_t afsr; /* offset 0x3C: Auxiliary Fault Status Reg */
44 #define V7M_SCB ((struct v7m_scb *)V7M_SCB_BASE)
46 #define V7M_AIRCR_VECTKEY 0x5fa
47 #define V7M_AIRCR_VECTKEY_SHIFT 16
48 #define V7M_AIRCR_ENDIAN (1 << 15)
49 #define V7M_AIRCR_PRIGROUP_SHIFT 8
50 #define V7M_AIRCR_PRIGROUP_MSK (0x7 << V7M_AIRCR_PRIGROUP_SHIFT)
51 #define V7M_AIRCR_SYSRESET (1 << 2)
53 #define V7M_ICSR_VECTACT_MSK 0xFF
55 #define V7M_CCR_DCACHE 16
56 #define V7M_CCR_ICACHE 17
59 uint32_t type; /* Type Register */
60 uint32_t ctrl; /* Control Register */
61 uint32_t rnr; /* Region Number Register */
62 uint32_t rbar; /* Region Base Address Register */
63 uint32_t rasr; /* Region Attribute and Size Register */
65 #define V7M_MPU ((struct v7m_mpu *)V7M_MPU_BASE)
67 #endif /* !defined(__ASSEMBLY__) */