| /* ---------------------------------------------------------------------------- | |
| * SAM Software Package License | |
| * ---------------------------------------------------------------------------- | |
| * Copyright (c) 2015, Atmel Corporation | |
| * | |
| * All rights reserved. | |
| * | |
| * Redistribution and use in source and binary forms, with or without | |
| * modification, are permitted provided that the following conditions are met: | |
| * | |
| * - Redistributions of source code must retain the above copyright notice, | |
| * this list of conditions and the disclaimer below. | |
| * | |
| * Atmel's name may not be used to endorse or promote products derived from | |
| * this software without specific prior written permission. | |
| * | |
| * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR | |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE | |
| * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, | |
| * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, | |
| * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| * ---------------------------------------------------------------------------- | |
| */ | |
| #ifndef _MMU_ | |
| #define _MMU_ | |
| /*---------------------------------------------------------------------------- | |
| * Exported definitions | |
| *----------------------------------------------------------------------------*/ | |
| #define TTB_TYPE(x) ((x) << 0) | |
| #define TTB_TYPE_SECT TTB_TYPE(2) | |
| #define TTB_SECT_B(x) ((x) << 2) | |
| #define TTB_SECT_WRITE_THROUGH TTB_SECT_B(0) | |
| #define TTB_SECT_WRITE_BACK TTB_SECT_B(1) | |
| #define TTB_SECT_C(x) ((x) << 3) | |
| #define TTB_SECT_NON_CACHEABLE TTB_SECT_C(0) | |
| #define TTB_SECT_CACHEABLE TTB_SECT_C(1) | |
| #define TTB_SECT_XN(x) ((x) << 4) | |
| #define TTB_SECT_EXEC TTB_SECT_XN(0) | |
| #define TTB_SECT_EXEC_NEVER TTB_SECT_XN(1) | |
| #define TTB_SECT_DOMAIN(x) ((x) << 5) | |
| #define TTB_SECT_AP(x) ((x) << 10) | |
| #define TTB_SECT_APX(x) ((x) << 15) | |
| #define TTB_SECT_AP_PRIV_ONLY (TTB_SECT_APX(0) | TTB_SECT_AP(1)) | |
| #define TTB_SECT_AP_NO_USER_WRITE (TTB_SECT_APX(0) | TTB_SECT_AP(2)) | |
| #define TTB_SECT_AP_FULL_ACCESS (TTB_SECT_APX(0) | TTB_SECT_AP(3)) | |
| #define TTB_SECT_AP_PRIV_READ_ONLY (TTB_SECT_APX(1) | TTB_SECT_AP(1)) | |
| #define TTB_SECT_AP_READ_ONLY (TTB_SECT_APX(1) | TTB_SECT_AP(2)) | |
| #define TTB_SECT_TEX(x) ((x) << 12) | |
| #define TTB_SECT_STRONGLY_ORDERED (TTB_SECT_TEX(0) | TTB_SECT_NON_CACHEABLE | TTB_SECT_WRITE_THROUGH) | |
| #define TTB_SECT_SHAREABLE_DEVICE (TTB_SECT_TEX(0) | TTB_SECT_NON_CACHEABLE | TTB_SECT_WRITE_BACK) | |
| #define TTB_SECT_CACHEABLE_WT (TTB_SECT_TEX(0) | TTB_SECT_CACHEABLE | TTB_SECT_WRITE_THROUGH) | |
| #define TTB_SECT_CACHEABLE_WB (TTB_SECT_TEX(0) | TTB_SECT_CACHEABLE | TTB_SECT_WRITE_BACK) | |
| #define TTB_SECT_ADDR(x) ((x) & 0xFFF00000) | |
| /*---------------------------------------------------------------------------- | |
| * Exported functions | |
| *----------------------------------------------------------------------------*/ | |
| /** | |
| * \brief initializes the MMU | |
| */ | |
| extern void mmu_initialize(void); | |
| #endif /* #ifndef _MMU_ */ |