mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-02 17:41:08 +00:00
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
/*
|
|
* (C) Copyright 2010,2011
|
|
* Vladimir Khusainov, Emcraft Systems, vlad@emcraft.com
|
|
*
|
|
* (C) Copyright 2015
|
|
* Kamil Lulko, <kamil.lulko@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef ARMV7M_H
|
|
#define ARMV7M_H
|
|
|
|
#if defined(__ASSEMBLY__)
|
|
.syntax unified
|
|
.thumb
|
|
#endif
|
|
|
|
#define V7M_SCB_BASE 0xE000ED00
|
|
#define V7M_MPU_BASE 0xE000ED90
|
|
|
|
#define V7M_SCB_VTOR 0x08
|
|
|
|
#if !defined(__ASSEMBLY__)
|
|
struct v7m_scb {
|
|
uint32_t cpuid; /* CPUID Base Register */
|
|
uint32_t icsr; /* Interrupt Control and State Register */
|
|
uint32_t vtor; /* Vector Table Offset Register */
|
|
uint32_t aircr; /* App Interrupt and Reset Control Register */
|
|
};
|
|
#define V7M_SCB ((struct v7m_scb *)V7M_SCB_BASE)
|
|
|
|
#define V7M_AIRCR_VECTKEY 0x5fa
|
|
#define V7M_AIRCR_VECTKEY_SHIFT 16
|
|
#define V7M_AIRCR_ENDIAN (1 << 15)
|
|
#define V7M_AIRCR_PRIGROUP_SHIFT 8
|
|
#define V7M_AIRCR_PRIGROUP_MSK (0x7 << V7M_AIRCR_PRIGROUP_SHIFT)
|
|
#define V7M_AIRCR_SYSRESET (1 << 2)
|
|
|
|
#define V7M_ICSR_VECTACT_MSK 0xFF
|
|
|
|
struct v7m_mpu {
|
|
uint32_t type; /* Type Register */
|
|
uint32_t ctrl; /* Control Register */
|
|
uint32_t rnr; /* Region Number Register */
|
|
uint32_t rbar; /* Region Base Address Register */
|
|
uint32_t rasr; /* Region Attribute and Size Register */
|
|
};
|
|
#define V7M_MPU ((struct v7m_mpu *)V7M_MPU_BASE)
|
|
|
|
#define V7M_MPU_CTRL_ENABLE (1 << 0)
|
|
#define V7M_MPU_CTRL_HFNMIENA (1 << 1)
|
|
|
|
#define V7M_MPU_RASR_EN (1 << 0)
|
|
#define V7M_MPU_RASR_SIZE_BITS 1
|
|
#define V7M_MPU_RASR_SIZE_4GB (31 << V7M_MPU_RASR_SIZE_BITS)
|
|
#define V7M_MPU_RASR_AP_RW_RW (3 << 24)
|
|
|
|
#endif /* !defined(__ASSEMBLY__) */
|
|
#endif /* ARMV7M_H */
|