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mpu.h
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mpu.h
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/*
* mpu.h
*
* Created on: Mar 31, 2020
* Author: JaYniL~LM10
*/
#ifndef MPU_H_
#define MPU_H_
#define MPU_CONFIG_PRIV_DEFAULT 4
#define MPU_CONFIG_HARDFLT_NMI 2
#define MPU_CONFIG_NONE 0
//*****************************************************************************
//
// Flags for the region size to be passed to MPURegionSet.
//
//*****************************************************************************
#define MPU_RGN_SIZE_32B (4 << 1)
#define MPU_RGN_SIZE_64B (5 << 1)
#define MPU_RGN_SIZE_128B (6 << 1)
#define MPU_RGN_SIZE_256B (7 << 1)
#define MPU_RGN_SIZE_512B (8 << 1)
#define MPU_RGN_SIZE_1K (9 << 1)
#define MPU_RGN_SIZE_2K (10 << 1)
#define MPU_RGN_SIZE_4K (11 << 1)
#define MPU_RGN_SIZE_8K (12 << 1)
#define MPU_RGN_SIZE_16K (13 << 1)
#define MPU_RGN_SIZE_32K (14 << 1)
#define MPU_RGN_SIZE_64K (15 << 1)
#define MPU_RGN_SIZE_128K (16 << 1)
#define MPU_RGN_SIZE_256K (17 << 1)
#define MPU_RGN_SIZE_512K (18 << 1)
#define MPU_RGN_SIZE_1M (19 << 1)
#define MPU_RGN_SIZE_2M (20 << 1)
#define MPU_RGN_SIZE_4M (21 << 1)
#define MPU_RGN_SIZE_8M (22 << 1)
#define MPU_RGN_SIZE_16M (23 << 1)
#define MPU_RGN_SIZE_32M (24 << 1)
#define MPU_RGN_SIZE_64M (25 << 1)
#define MPU_RGN_SIZE_128M (26 << 1)
#define MPU_RGN_SIZE_256M (27 << 1)
#define MPU_RGN_SIZE_512M (28 << 1)
#define MPU_RGN_SIZE_1G (29 << 1)
#define MPU_RGN_SIZE_2G (30 << 1)
#define MPU_RGN_SIZE_4G (31 << 1)
//*****************************************************************************
//
// Flags for the permissions to be passed to MPURegionSet.
//
//*****************************************************************************
#define MPU_RGN_PERM_EXEC 0x00000000
#define MPU_RGN_PERM_NOEXEC 0x10000000
#define MPU_RGN_PERM_PRV_NO_USR_NO 0x00000000
#define MPU_RGN_PERM_PRV_RW_USR_NO 0x01000000
#define MPU_RGN_PERM_PRV_RW_USR_RO 0x02000000
#define MPU_RGN_PERM_PRV_RW_USR_RW 0x03000000
#define MPU_RGN_PERM_PRV_RO_USR_NO 0x05000000
#define MPU_RGN_PERM_PRV_RO_USR_RO 0x06000000
//*****************************************************************************
//
// Flags for the sub-region to be passed to MPURegionSet.
//
//*****************************************************************************
#define MPU_SUB_RGN_DISABLE_0 0x00000100
#define MPU_SUB_RGN_DISABLE_1 0x00000200
#define MPU_SUB_RGN_DISABLE_2 0x00000400
#define MPU_SUB_RGN_DISABLE_3 0x00000800
#define MPU_SUB_RGN_DISABLE_4 0x00001000
#define MPU_SUB_RGN_DISABLE_5 0x00002000
#define MPU_SUB_RGN_DISABLE_6 0x00004000
#define MPU_SUB_RGN_DISABLE_7 0x00008000
#define MPU_SUB_RGN_ENABLE_ALL 0x00000000
#define MPU_SUB_RGB_DISABLE_ALL 0x0000FF00
//*****************************************************************************
//
// Flags to enable or disable a region, to be passed to MPURegionSet.
//
//*****************************************************************************
#define MPU_RGN_ENABLE 1
#define MPU_RGN_DISABLE 0
//*****************************************************************************
//
#define FLASH_MEM_TEX_S_C_B 0x00020000
#define PERIPHERAL_TEX_S_C_B (0b101 <<16)
#define SRAM_TEX_S_C_B (0b110 <<16)
#define PERIPH_BASE_ADD 0x40000000
#define SRAM_BASE_ADD_1 0x20000000
#define SRAM_BASE_ADD_2 0x20004000
#define SRAM_BASE_ADD_3 0x20008000
#define MPU_CTRL 0xE000ED94
#define MPU_RNR 0xE000ED98
#define MPU_RBAR 0xE000ED9C
#define MPU_RASR 0xE000EDA0
//*****************************************************************************
//
// API Function prototypes
//
//*****************************************************************************
uint32_t *address_range;
void MPU_init();
#endif /* MPU_H_ */