| //***************************************************************************** | |
| // | |
| // mpu.h - Defines and Macros for the memory protection unit. | |
| // | |
| // Copyright (c) 2005-2008 Luminary Micro, Inc. All rights reserved. | |
| // | |
| // Software License Agreement | |
| // | |
| // Luminary Micro, Inc. (LMI) is supplying this software for use solely and | |
| // exclusively on LMI's microcontroller products. | |
| // | |
| // The software is owned by LMI and/or its suppliers, and is protected under | |
| // applicable copyright laws. All rights are reserved. You may not combine | |
| // this software with "viral" open-source software in order to form a larger | |
| // program. Any use in violation of the foregoing restrictions may subject | |
| // the user to criminal sanctions under applicable laws, as well as to civil | |
| // liability for the breach of the terms and conditions of this license. | |
| // | |
| // THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED | |
| // OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF | |
| // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. | |
| // LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR | |
| // CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. | |
| // | |
| // This is part of revision 2523 of the Stellaris Peripheral Driver Library. | |
| // | |
| //***************************************************************************** | |
| #ifndef __MPU_H__ | |
| #define __MPU_H__ | |
| //***************************************************************************** | |
| // | |
| // If building with a C++ compiler, make all of the definitions in this header | |
| // have a C binding. | |
| // | |
| //***************************************************************************** | |
| #ifdef __cplusplus | |
| extern "C" | |
| { | |
| #endif | |
| //***************************************************************************** | |
| // | |
| // Flags that can be passed to MPUEnable.. | |
| // | |
| //***************************************************************************** | |
| #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 | |
| //***************************************************************************** | |
| // | |
| // Flags to enable or disable a region, to be passed to MPURegionSet. | |
| // | |
| //***************************************************************************** | |
| #define MPU_RGN_ENABLE 1 | |
| #define MPU_RGN_DISABLE 0 | |
| //***************************************************************************** | |
| // | |
| // API Function prototypes | |
| // | |
| //***************************************************************************** | |
| extern void MPUEnable(unsigned long ulMPUConfig); | |
| extern void MPUDisable(void); | |
| extern unsigned long MPURegionCountGet(void); | |
| extern void MPURegionEnable(unsigned long ulRegion); | |
| extern void MPURegionDisable(unsigned long ulRegion); | |
| extern void MPURegionSet(unsigned long ulRegion, unsigned long ulAddr, | |
| unsigned long ulFlags); | |
| extern void MPURegionGet(unsigned long ulRegion, unsigned long *pulAddr, | |
| unsigned long *pulFlags); | |
| extern void MPUIntRegister(void (*pfnHandler)(void)); | |
| extern void MPUIntUnregister(void); | |
| //***************************************************************************** | |
| // | |
| // Mark the end of the C bindings section for C++ compilers. | |
| // | |
| //***************************************************************************** | |
| #ifdef __cplusplus | |
| } | |
| #endif | |
| #endif // __MPU_H__ |