1 files changed, 113 insertions, 0 deletions
diff --git a/os/common/startup/ARM/devices/SAMA5D2/mmu.h b/os/common/startup/ARM/devices/SAMA5D2/mmu.h
new file mode 100644
index 000000000..6e0bd9a32
--- /dev/null
+++ b/os/common/startup/ARM/devices/SAMA5D2/mmu.h
@@ -0,0 +1,113 @@
+/*
+    ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio.
+
+    This file is part of ChibiOS.
+
+    ChibiOS is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    ChibiOS is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file    mmu.h
+ * @brief   MMU macros and structures.
+ *
+ * @addtogroup MMU
+ * @{
+ */
+
+#ifndef MMU_H
+#define MMU_H
+
+#if defined(CH_CFG_USE_MMU) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Module constants.                                                         */
+/*===========================================================================*/
+
+#define DCISW_INVALIDATE    0
+#define DCISW_CLEAN         1
+#define DCISW_CLEAN_AND_INV 2
+
+/*===========================================================================*/
+/* Module pre-compile time settings.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module data structures and types.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module macros.                                                            */
+/*===========================================================================*/
+
+/*
+ * Translation Table Entry descriptor macros
+ *
+ * Type Section layout:
+ * +---------+--+-+--+-+-----+--------+-------+-+------+--+-+-+-+---+
+ * |3       2|1 |1|1 |1|1    |1      1|1     1| |      |  | | | |   |
+ * |1       0|9 |8|7 |6|5    |4      2|1     0|9|8    5|4 |3|2|1|0  |
+ * +---------+--+-+--+-+-----+--------+-------+-+------+--+-+-+-+---+
+ * | section |NS|0|nG|S|AP[2]|TEX[2:0]|AP[1:0]| |domain|XN|C|B|1|PXN|
+ * +---------+--+-+--+-+-----+--------+-------+-+------+--+-+-+-+---+
+ *
+ */
+#define TTE_TYPE_SECT             (0x01 << 1)
+#define TTE_SECT_B                (0x01 << 2)
+#define TTE_SECT_C                (0x01 << 3)
+#define TTE_SECT_XN               (0x01 << 4)
+#define TTE_SECT_DOM(x)           ((x)  << 5)
+#define TTE_SECT_AP0              (0x01 << 10)
+#define TTE_SECT_AP1              (0x01 << 11)
+#define TTE_SECT_TEX(x)           ((x)  << 12)
+#define TTE_SECT_AP2              (0x01 << 15)
+#define TTE_SECT_S                (0x01 << 16)
+#define TTE_SECT_NG               (0x01 << 17)
+#define TTE_SECT_NS               (0x01 << 19)
+
+#define TTE_SECT_MEM_CACHEABLE    (TTE_SECT_TEX(0b111)|TTE_SECT_B|TTE_SECT_C)
+#define TTE_SECT_MEM_NO_CACHEABLE (TTE_SECT_TEX(0b100))
+#define TTE_SECT_MEM_STRONGLY_ORD (TTE_SECT_TEX(0b000))
+#define TTE_SECT_DEVICE           (TTE_SECT_B)
+#define TTE_SECT_EXE_NEVER        (TTE_SECT_XN)
+#define TTE_SECT_RW_ACCESS        (TTE_SECT_AP1|TTE_SECT_AP0)
+#define TTE_SECT_RO_ACCESS        (TTE_SECT_AP1)
+#define TTE_SECT_UNDEF            (0)
+
+#define TTE_SECT_SECTION(addr)    ((addr) & 0xFFF00000)
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void __mmu_init(void);
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Module inline functions.                                                  */
+/*===========================================================================*/
+
+#endif /* CH_CFG_USE_MMU */
+
+#endif /* MMU_H */
+
+/** @} */