lib

Fork of mbed-dev by mbed official

Revision:
149:156823d33999
Parent:
144:ef7eb2e8f9f7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmsis/core_ca_mmu.h	Fri Oct 28 11:17:30 2016 +0100
@@ -0,0 +1,847 @@
+;/**************************************************************************//**
+; * @file     core_ca_mmu.h
+; * @brief    MMU Startup File for A9_MP Device Series
+; * @version  V1.01
+; * @date     10 Sept 2014
+; *
+; * @note
+; *
+; ******************************************************************************/
+;/* Copyright (c) 2012-2014 ARM LIMITED
+;
+;   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 following disclaimer.
+;   - Redistributions in binary form must reproduce the above copyright
+;     notice, this list of conditions and the following disclaimer in the
+;     documentation and/or other materials provided with the distribution.
+;   - Neither the name of ARM nor the names of its contributors may be used
+;     to endorse or promote products derived from this software without
+;     specific prior written permission.
+;   *
+;   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+;   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+;   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+;   ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS 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.
+;   ---------------------------------------------------------------------------*/
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#ifndef _MMU_FUNC_H
+#define _MMU_FUNC_H
+
+#define SECTION_DESCRIPTOR      (0x2)
+#define SECTION_MASK            (0xFFFFFFFC)
+
+#define SECTION_TEXCB_MASK      (0xFFFF8FF3)
+#define SECTION_B_SHIFT         (2)
+#define SECTION_C_SHIFT         (3)
+#define SECTION_TEX0_SHIFT      (12)
+#define SECTION_TEX1_SHIFT      (13)
+#define SECTION_TEX2_SHIFT      (14)
+
+#define SECTION_XN_MASK         (0xFFFFFFEF)
+#define SECTION_XN_SHIFT        (4)
+
+#define SECTION_DOMAIN_MASK     (0xFFFFFE1F)
+#define SECTION_DOMAIN_SHIFT    (5)
+
+#define SECTION_P_MASK          (0xFFFFFDFF)
+#define SECTION_P_SHIFT         (9)
+
+#define SECTION_AP_MASK         (0xFFFF73FF)
+#define SECTION_AP_SHIFT        (10)
+#define SECTION_AP2_SHIFT       (15)
+
+#define SECTION_S_MASK          (0xFFFEFFFF)
+#define SECTION_S_SHIFT         (16)
+
+#define SECTION_NG_MASK         (0xFFFDFFFF)
+#define SECTION_NG_SHIFT        (17)
+
+#define SECTION_NS_MASK         (0xFFF7FFFF)
+#define SECTION_NS_SHIFT        (19)
+
+
+#define PAGE_L1_DESCRIPTOR      (0x1)
+#define PAGE_L1_MASK            (0xFFFFFFFC)
+
+#define PAGE_L2_4K_DESC         (0x2)
+#define PAGE_L2_4K_MASK         (0xFFFFFFFD)
+
+#define PAGE_L2_64K_DESC        (0x1)
+#define PAGE_L2_64K_MASK        (0xFFFFFFFC)
+
+#define PAGE_4K_TEXCB_MASK      (0xFFFFFE33)
+#define PAGE_4K_B_SHIFT         (2)
+#define PAGE_4K_C_SHIFT         (3)
+#define PAGE_4K_TEX0_SHIFT      (6)
+#define PAGE_4K_TEX1_SHIFT      (7)
+#define PAGE_4K_TEX2_SHIFT      (8)
+
+#define PAGE_64K_TEXCB_MASK     (0xFFFF8FF3)
+#define PAGE_64K_B_SHIFT        (2)
+#define PAGE_64K_C_SHIFT        (3)
+#define PAGE_64K_TEX0_SHIFT     (12)
+#define PAGE_64K_TEX1_SHIFT     (13)
+#define PAGE_64K_TEX2_SHIFT     (14)
+
+#define PAGE_TEXCB_MASK         (0xFFFF8FF3)
+#define PAGE_B_SHIFT            (2)
+#define PAGE_C_SHIFT            (3)
+#define PAGE_TEX_SHIFT          (12)
+
+#define PAGE_XN_4K_MASK         (0xFFFFFFFE)
+#define PAGE_XN_4K_SHIFT        (0)
+#define PAGE_XN_64K_MASK        (0xFFFF7FFF)
+#define PAGE_XN_64K_SHIFT       (15)
+
+
+#define PAGE_DOMAIN_MASK        (0xFFFFFE1F)
+#define PAGE_DOMAIN_SHIFT       (5)
+
+#define PAGE_P_MASK             (0xFFFFFDFF)
+#define PAGE_P_SHIFT            (9)
+
+#define PAGE_AP_MASK            (0xFFFFFDCF)
+#define PAGE_AP_SHIFT           (4)
+#define PAGE_AP2_SHIFT          (9)
+
+#define PAGE_S_MASK             (0xFFFFFBFF)
+#define PAGE_S_SHIFT            (10)
+
+#define PAGE_NG_MASK            (0xFFFFF7FF)
+#define PAGE_NG_SHIFT           (11)
+
+#define PAGE_NS_MASK            (0xFFFFFFF7)
+#define PAGE_NS_SHIFT           (3)
+
+#define OFFSET_1M               (0x00100000)
+#define OFFSET_64K              (0x00010000)
+#define OFFSET_4K               (0x00001000)
+
+#define DESCRIPTOR_FAULT        (0x00000000)
+
+/* ###########################  MMU Function Access  ########################### */
+/** \ingroup  MMU_FunctionInterface
+    \defgroup MMU_Functions MMU Functions Interface
+  @{
+ */
+
+/* Attributes enumerations */
+
+/* Region size attributes */
+typedef enum
+{
+   SECTION,
+   PAGE_4k,
+   PAGE_64k,
+} mmu_region_size_Type;
+
+/* Region type attributes */
+typedef enum
+{
+   NORMAL,
+   DEVICE,
+   SHARED_DEVICE,
+   NON_SHARED_DEVICE,
+   STRONGLY_ORDERED
+} mmu_memory_Type;
+
+/* Region cacheability attributes */
+typedef enum
+{
+   NON_CACHEABLE,
+   WB_WA,
+   WT,
+   WB_NO_WA,
+} mmu_cacheability_Type;
+
+/* Region parity check attributes */
+typedef enum
+{
+   ECC_DISABLED,
+   ECC_ENABLED,
+} mmu_ecc_check_Type;
+
+/* Region execution attributes */
+typedef enum
+{
+   EXECUTE,
+   NON_EXECUTE,
+} mmu_execute_Type;
+
+/* Region global attributes */
+typedef enum
+{
+   GLOBAL,
+   NON_GLOBAL,
+} mmu_global_Type;
+
+/* Region shareability attributes */
+typedef enum
+{
+   NON_SHARED,
+   SHARED,
+} mmu_shared_Type;
+
+/* Region security attributes */
+typedef enum
+{
+   SECURE,
+   NON_SECURE,
+} mmu_secure_Type;
+
+/* Region access attributes */
+typedef enum
+{
+   NO_ACCESS,
+   RW,
+   READ,
+} mmu_access_Type;
+
+/* Memory Region definition */
+typedef struct RegionStruct {
+    mmu_region_size_Type rg_t;
+    mmu_memory_Type mem_t;
+    uint8_t domain;
+    mmu_cacheability_Type inner_norm_t;
+    mmu_cacheability_Type outer_norm_t;
+    mmu_ecc_check_Type e_t;
+    mmu_execute_Type xn_t;
+    mmu_global_Type g_t;
+    mmu_secure_Type sec_t;
+    mmu_access_Type priv_t;
+    mmu_access_Type user_t;
+    mmu_shared_Type sh_t;
+
+} mmu_region_attributes_Type;
+
+/** \brief  Set section execution-never attribute
+
+    The function sets section execution-never attribute
+
+    \param [out]    descriptor_l1  L1 descriptor.
+    \param [in]                xn  Section execution-never attribute : EXECUTE , NON_EXECUTE.
+
+    \return          0  
+ */
+__STATIC_INLINE int __xn_section(uint32_t *descriptor_l1, mmu_execute_Type xn)
+{
+    *descriptor_l1 &= SECTION_XN_MASK;
+    *descriptor_l1 |= ((xn & 0x1) << SECTION_XN_SHIFT);
+    return 0;
+}
+
+/** \brief  Set section domain
+
+    The function sets section domain
+
+    \param [out]    descriptor_l1  L1 descriptor.
+    \param [in]            domain  Section domain
+
+    \return          0  
+ */
+__STATIC_INLINE int __domain_section(uint32_t *descriptor_l1, uint8_t domain)
+{
+    *descriptor_l1 &= SECTION_DOMAIN_MASK;
+    *descriptor_l1 |= ((domain & 0xF) << SECTION_DOMAIN_SHIFT);
+    return 0;
+}
+
+/** \brief  Set section parity check
+
+    The function sets section parity check
+
+    \param [out]    descriptor_l1  L1 descriptor.
+    \param [in]              p_bit Parity check: ECC_DISABLED, ECC_ENABLED
+
+    \return          0  
+ */
+__STATIC_INLINE int __p_section(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
+{
+    *descriptor_l1 &= SECTION_P_MASK;
+    *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
+    return 0;
+}
+
+/** \brief  Set section access privileges
+
+    The function sets section access privileges
+
+    \param [out]    descriptor_l1  L1 descriptor.
+    \param [in]              user  User Level Access: NO_ACCESS, RW, READ
+    \param [in]              priv  Privilege Level Access: NO_ACCESS, RW, READ
+    \param [in]               afe  Access flag enable
+
+    \return          0  
+ */
+__STATIC_INLINE int __ap_section(uint32_t *descriptor_l1, mmu_access_Type user, mmu_access_Type priv,  uint32_t afe)
+{
+    uint32_t ap = 0;
+
+    if (afe == 0) { //full access
+        if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
+        else if ((priv == RW) && (user == NO_ACCESS))   { ap = 0x1; }
+        else if ((priv == RW) && (user == READ))        { ap = 0x2; }
+        else if ((priv == RW) && (user == RW))          { ap = 0x3; }
+        else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
+        else if ((priv == READ) && (user == READ))      { ap = 0x7; }
+    }
+
+    else { //Simplified access
+        if ((priv == RW) && (user == NO_ACCESS))        { ap = 0x1; }
+        else if ((priv == RW) && (user == RW))          { ap = 0x3; }
+        else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
+        else if ((priv == READ) && (user == READ))      { ap = 0x7; }
+    }
+
+    *descriptor_l1 &= SECTION_AP_MASK;
+    *descriptor_l1 |= (ap & 0x3) << SECTION_AP_SHIFT;
+    *descriptor_l1 |= ((ap & 0x4)>>2) << SECTION_AP2_SHIFT;
+
+    return 0;
+}
+
+/** \brief  Set section shareability
+
+    The function sets section shareability
+
+    \param [out]    descriptor_l1  L1 descriptor.
+    \param [in]             s_bit  Section shareability: NON_SHARED, SHARED
+
+    \return          0  
+ */
+__STATIC_INLINE int __shared_section(uint32_t *descriptor_l1, mmu_shared_Type s_bit)
+{
+    *descriptor_l1 &= SECTION_S_MASK;
+    *descriptor_l1 |= ((s_bit & 0x1) << SECTION_S_SHIFT);
+    return 0;
+}
+
+/** \brief  Set section Global attribute
+
+    The function sets section Global attribute
+
+    \param [out]    descriptor_l1  L1 descriptor.
+    \param [in]             g_bit  Section attribute: GLOBAL, NON_GLOBAL
+
+    \return          0  
+ */
+__STATIC_INLINE int __global_section(uint32_t *descriptor_l1, mmu_global_Type g_bit)
+{
+    *descriptor_l1 &= SECTION_NG_MASK;
+    *descriptor_l1 |= ((g_bit & 0x1) << SECTION_NG_SHIFT);
+    return 0;
+}
+
+/** \brief  Set section Security attribute
+
+    The function sets section Global attribute
+
+    \param [out]    descriptor_l1  L1 descriptor.
+    \param [in]             s_bit  Section Security attribute: SECURE, NON_SECURE
+
+    \return          0  
+ */
+__STATIC_INLINE int __secure_section(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
+{
+    *descriptor_l1 &= SECTION_NS_MASK;
+    *descriptor_l1 |= ((s_bit & 0x1) << SECTION_NS_SHIFT);
+    return 0;
+}
+
+/* Page 4k or 64k */
+/** \brief  Set 4k/64k page execution-never attribute
+
+    The function sets 4k/64k page execution-never attribute
+
+    \param [out]    descriptor_l2  L2 descriptor.
+    \param [in]                xn  Page execution-never attribute : EXECUTE , NON_EXECUTE.
+    \param [in]              page  Page size: PAGE_4k, PAGE_64k,
+   
+    \return          0  
+ */
+__STATIC_INLINE int __xn_page(uint32_t *descriptor_l2, mmu_execute_Type xn, mmu_region_size_Type page)
+{
+    if (page == PAGE_4k)
+    {
+        *descriptor_l2 &= PAGE_XN_4K_MASK;
+        *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_4K_SHIFT);
+    }
+    else
+    {
+        *descriptor_l2 &= PAGE_XN_64K_MASK;
+        *descriptor_l2 |= ((xn & 0x1) << PAGE_XN_64K_SHIFT);
+    }
+    return 0;
+}
+
+/** \brief  Set 4k/64k page domain
+
+    The function sets 4k/64k page domain
+
+    \param [out]    descriptor_l1  L1 descriptor.
+    \param [in]            domain  Page domain
+
+    \return          0  
+ */
+__STATIC_INLINE int __domain_page(uint32_t *descriptor_l1, uint8_t domain)
+{
+    *descriptor_l1 &= PAGE_DOMAIN_MASK;
+    *descriptor_l1 |= ((domain & 0xf) << PAGE_DOMAIN_SHIFT);
+    return 0;
+}
+
+/** \brief  Set 4k/64k page parity check
+
+    The function sets 4k/64k page parity check
+
+    \param [out]    descriptor_l1  L1 descriptor.
+    \param [in]              p_bit Parity check: ECC_DISABLED, ECC_ENABLED
+
+    \return          0  
+ */
+__STATIC_INLINE int __p_page(uint32_t *descriptor_l1, mmu_ecc_check_Type p_bit)
+{
+    *descriptor_l1 &= SECTION_P_MASK;
+    *descriptor_l1 |= ((p_bit & 0x1) << SECTION_P_SHIFT);
+    return 0;
+}
+
+/** \brief  Set 4k/64k page access privileges
+
+    The function sets 4k/64k page access privileges
+
+    \param [out]    descriptor_l2  L2 descriptor.
+    \param [in]              user  User Level Access: NO_ACCESS, RW, READ
+    \param [in]              priv  Privilege Level Access: NO_ACCESS, RW, READ
+    \param [in]               afe  Access flag enable
+
+    \return          0  
+ */
+__STATIC_INLINE int __ap_page(uint32_t *descriptor_l2, mmu_access_Type user, mmu_access_Type priv,  uint32_t afe)
+{
+    uint32_t ap = 0;
+
+    if (afe == 0) { //full access
+        if ((priv == NO_ACCESS) && (user == NO_ACCESS)) { ap = 0x0; }
+        else if ((priv == RW) && (user == NO_ACCESS))   { ap = 0x1; }
+        else if ((priv == RW) && (user == READ))        { ap = 0x2; }
+        else if ((priv == RW) && (user == RW))          { ap = 0x3; }
+        else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
+        else if ((priv == READ) && (user == READ))      { ap = 0x6; }
+    }
+
+    else { //Simplified access
+        if ((priv == RW) && (user == NO_ACCESS))        { ap = 0x1; }
+        else if ((priv == RW) && (user == RW))          { ap = 0x3; }
+        else if ((priv == READ) && (user == NO_ACCESS)) { ap = 0x5; }
+        else if ((priv == READ) && (user == READ))      { ap = 0x7; }
+    }
+
+    *descriptor_l2 &= PAGE_AP_MASK;
+    *descriptor_l2 |= (ap & 0x3) << PAGE_AP_SHIFT;
+    *descriptor_l2 |= ((ap & 0x4)>>2) << PAGE_AP2_SHIFT;
+
+    return 0;
+}
+
+/** \brief  Set 4k/64k page shareability
+
+    The function sets 4k/64k page shareability
+
+    \param [out]    descriptor_l2  L2 descriptor.
+    \param [in]             s_bit  4k/64k page shareability: NON_SHARED, SHARED
+
+    \return          0  
+ */
+__STATIC_INLINE int __shared_page(uint32_t *descriptor_l2, mmu_shared_Type s_bit)
+{
+    *descriptor_l2 &= PAGE_S_MASK;
+    *descriptor_l2 |= ((s_bit & 0x1) << PAGE_S_SHIFT);
+    return 0;
+}
+
+/** \brief  Set 4k/64k page Global attribute
+
+    The function sets 4k/64k page Global attribute
+
+    \param [out]    descriptor_l2  L2 descriptor.
+    \param [in]             g_bit  4k/64k page attribute: GLOBAL, NON_GLOBAL
+
+    \return          0  
+ */
+__STATIC_INLINE int __global_page(uint32_t *descriptor_l2, mmu_global_Type g_bit)
+{
+    *descriptor_l2 &= PAGE_NG_MASK;
+    *descriptor_l2 |= ((g_bit & 0x1) << PAGE_NG_SHIFT);
+    return 0;
+}
+
+/** \brief  Set 4k/64k page Security attribute
+
+    The function sets 4k/64k page Global attribute
+
+    \param [out]    descriptor_l1  L1 descriptor.
+    \param [in]             s_bit  4k/64k page Security attribute: SECURE, NON_SECURE
+
+    \return          0  
+ */
+__STATIC_INLINE int __secure_page(uint32_t *descriptor_l1, mmu_secure_Type s_bit)
+{
+    *descriptor_l1 &= PAGE_NS_MASK;
+    *descriptor_l1 |= ((s_bit & 0x1) << PAGE_NS_SHIFT);
+    return 0;
+}
+
+
+/** \brief  Set Section memory attributes
+
+    The function sets section memory attributes
+
+    \param [out]    descriptor_l1  L1 descriptor.
+    \param [in]               mem  Section memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
+    \param [in]             outer  Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
+    \param [in]             inner  Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
+
+    \return          0  
+ */
+__STATIC_INLINE int __memory_section(uint32_t *descriptor_l1, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner)
+{
+    *descriptor_l1 &= SECTION_TEXCB_MASK;
+
+    if (STRONGLY_ORDERED == mem)
+    {
+        return 0;
+    }
+    else if (SHARED_DEVICE == mem)
+    {
+        *descriptor_l1 |= (1 << SECTION_B_SHIFT);
+    }
+    else if (NON_SHARED_DEVICE == mem)
+    {
+        *descriptor_l1 |= (1 << SECTION_TEX1_SHIFT);
+    }
+    else if (NORMAL == mem)
+    {
+           *descriptor_l1 |= 1 << SECTION_TEX2_SHIFT;
+           switch(inner)
+           {
+            case NON_CACHEABLE:
+            break;
+            case WB_WA:
+                *descriptor_l1 |= (1 << SECTION_B_SHIFT);
+                break;
+            case WT:
+                *descriptor_l1 |= 1 << SECTION_C_SHIFT;
+                break;
+            case WB_NO_WA:
+                *descriptor_l1 |= (1 << SECTION_B_SHIFT) | (1 << SECTION_C_SHIFT);
+                break;
+        }
+        switch(outer)
+        {
+            case NON_CACHEABLE:
+             break;
+            case WB_WA:
+                *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT);
+                break;
+            case WT:
+                *descriptor_l1 |= 1 << SECTION_TEX1_SHIFT;
+                break;
+            case WB_NO_WA:
+                *descriptor_l1 |= (1 << SECTION_TEX0_SHIFT) | (1 << SECTION_TEX0_SHIFT);
+                break;
+        }
+    }
+
+    return 0;
+}
+
+/** \brief  Set 4k/64k page memory attributes
+
+    The function sets 4k/64k page memory attributes
+
+    \param [out]    descriptor_l2  L2 descriptor.
+    \param [in]               mem  4k/64k page memory type: NORMAL, DEVICE, SHARED_DEVICE, NON_SHARED_DEVICE, STRONGLY_ORDERED
+    \param [in]             outer  Outer cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
+    \param [in]             inner  Inner cacheability: NON_CACHEABLE, WB_WA, WT, WB_NO_WA,
+
+    \return          0  
+ */
+__STATIC_INLINE int __memory_page(uint32_t *descriptor_l2, mmu_memory_Type mem, mmu_cacheability_Type outer, mmu_cacheability_Type inner, mmu_region_size_Type page)
+{
+    *descriptor_l2 &= PAGE_4K_TEXCB_MASK;
+
+    if (page == PAGE_64k)
+    {
+        //same as section
+        __memory_section(descriptor_l2, mem, outer, inner);
+    }
+    else
+    {
+        if (STRONGLY_ORDERED == mem)
+        {
+            return 0;
+        }
+        else if (SHARED_DEVICE == mem)
+        {
+            *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
+        }
+        else if (NON_SHARED_DEVICE == mem)
+        {
+             *descriptor_l2 |= (1 << PAGE_4K_TEX1_SHIFT);
+        }
+        else if (NORMAL == mem)
+        {
+            *descriptor_l2 |= 1 << PAGE_4K_TEX2_SHIFT;
+            switch(inner)
+            {
+                case NON_CACHEABLE:
+                break;
+                case WB_WA:
+                     *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT);
+                     break;
+                case WT:
+                    *descriptor_l2 |= 1 << PAGE_4K_C_SHIFT;
+                     break;
+                case WB_NO_WA:
+                    *descriptor_l2 |= (1 << PAGE_4K_B_SHIFT) | (1 << PAGE_4K_C_SHIFT);
+                    break;
+            }
+            switch(outer)
+            {
+                case NON_CACHEABLE:
+                break;
+                case WB_WA:
+                      *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT);
+                    break;
+                case WT:
+                     *descriptor_l2 |= 1 << PAGE_4K_TEX1_SHIFT;
+                    break;
+                case WB_NO_WA:
+                    *descriptor_l2 |= (1 << PAGE_4K_TEX0_SHIFT) | (1 << PAGE_4K_TEX0_SHIFT);
+                    break;
+            }
+        }
+    }
+
+    return 0;
+}
+
+/** \brief  Create a L1 section descriptor
+
+    The function creates a section descriptor.
+    
+    Assumptions:
+    - 16MB super sections not supported
+    - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
+    - Functions always return 0
+
+    \param [out]       descriptor  L1 descriptor
+    \param [out]      descriptor2  L2 descriptor
+    \param [in]               reg  Section attributes
+
+    \return          0  
+ */
+__STATIC_INLINE int __get_section_descriptor(uint32_t *descriptor, mmu_region_attributes_Type reg)
+{
+    *descriptor  = 0;
+
+   __memory_section(descriptor, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t);
+   __xn_section(descriptor,reg.xn_t);
+   __domain_section(descriptor, reg.domain);
+   __p_section(descriptor, reg.e_t);
+   __ap_section(descriptor, reg.priv_t, reg.user_t, 1);
+   __shared_section(descriptor,reg.sh_t);
+   __global_section(descriptor,reg.g_t);
+   __secure_section(descriptor,reg.sec_t);
+   *descriptor &= SECTION_MASK;
+   *descriptor |= SECTION_DESCRIPTOR;
+
+   return 0;
+
+}
+
+
+/** \brief  Create a L1 and L2 4k/64k page descriptor
+
+    The function creates a 4k/64k page descriptor.
+    Assumptions:
+    - TEX remap disabled, so memory type and attributes are described directly by bits in the descriptor
+    - Functions always return 0
+
+    \param [out]       descriptor  L1 descriptor
+    \param [out]      descriptor2  L2 descriptor
+    \param [in]               reg  4k/64k page attributes
+
+    \return          0  
+ */
+__STATIC_INLINE int __get_page_descriptor(uint32_t *descriptor, uint32_t *descriptor2, mmu_region_attributes_Type reg)
+{
+    *descriptor  = 0;
+    *descriptor2 = 0;
+
+    switch (reg.rg_t)
+    {
+        case PAGE_4k:
+            __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_4k);
+            __xn_page(descriptor2, reg.xn_t, PAGE_4k);
+            __domain_page(descriptor, reg.domain);
+            __p_page(descriptor, reg.e_t);
+            __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
+            __shared_page(descriptor2,reg.sh_t);
+            __global_page(descriptor2,reg.g_t);
+            __secure_page(descriptor,reg.sec_t);
+            *descriptor &= PAGE_L1_MASK;
+            *descriptor |= PAGE_L1_DESCRIPTOR;
+            *descriptor2 &= PAGE_L2_4K_MASK;
+            *descriptor2 |= PAGE_L2_4K_DESC;
+            break;
+
+        case PAGE_64k:
+            __memory_page(descriptor2, reg.mem_t, reg.outer_norm_t, reg.inner_norm_t, PAGE_64k);
+            __xn_page(descriptor2, reg.xn_t, PAGE_64k);
+            __domain_page(descriptor, reg.domain);
+            __p_page(descriptor, reg.e_t);
+            __ap_page(descriptor2, reg.priv_t, reg.user_t, 1);
+            __shared_page(descriptor2,reg.sh_t);
+            __global_page(descriptor2,reg.g_t);
+            __secure_page(descriptor,reg.sec_t);
+            *descriptor &= PAGE_L1_MASK;
+            *descriptor |= PAGE_L1_DESCRIPTOR;
+            *descriptor2 &= PAGE_L2_64K_MASK;
+            *descriptor2 |= PAGE_L2_64K_DESC;
+            break;
+
+        case SECTION:
+            //error
+            break;    
+
+    }
+
+   return 0;
+
+}
+
+/** \brief  Create a 1MB Section
+
+    \param [in]               ttb  Translation table base address
+    \param [in]      base_address  Section base address
+    \param [in]             count  Number of sections to create
+    \param [in]     descriptor_l1  L1 descriptor (region attributes) 
+
+ */
+__STATIC_INLINE void __TTSection(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1)
+{
+    uint32_t offset;
+    uint32_t entry;
+    uint32_t i;
+
+    offset = base_address >> 20;
+    entry  = (base_address & 0xFFF00000) | descriptor_l1;
+
+    //4 bytes aligned
+    ttb = ttb + offset;
+
+    for (i = 0; i < count; i++ )
+    {
+        //4 bytes aligned
+       *ttb++ = entry;
+       entry += OFFSET_1M;
+    }
+}
+
+/** \brief  Create a 4k page entry
+
+    \param [in]               ttb  L1 table base address
+    \param [in]      base_address  4k base address
+    \param [in]             count  Number of 4k pages to create
+    \param [in]     descriptor_l1  L1 descriptor (region attributes) 
+    \param [in]            ttb_l2  L2 table base address
+    \param [in]     descriptor_l2  L2 descriptor (region attributes) 
+
+ */
+__STATIC_INLINE void __TTPage_4k(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1, uint32_t *ttb_l2, uint32_t descriptor_l2 )
+{
+
+    uint32_t offset, offset2;
+    uint32_t entry, entry2;
+    uint32_t i;
+
+
+    offset = base_address >> 20;
+    entry  = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
+
+    //4 bytes aligned
+    ttb += offset;
+    //create l1_entry
+    *ttb = entry;
+
+    offset2 = (base_address & 0xff000) >> 12;
+    ttb_l2 += offset2;
+    entry2 = (base_address & 0xFFFFF000) | descriptor_l2;
+    for (i = 0; i < count; i++ )
+    {
+        //4 bytes aligned
+       *ttb_l2++ = entry2;
+       entry2 += OFFSET_4K;
+    }
+}
+
+/** \brief  Create a 64k page entry
+
+    \param [in]               ttb  L1 table base address
+    \param [in]      base_address  64k base address
+    \param [in]             count  Number of 64k pages to create
+    \param [in]     descriptor_l1  L1 descriptor (region attributes) 
+    \param [in]            ttb_l2  L2 table base address
+    \param [in]     descriptor_l2  L2 descriptor (region attributes) 
+
+ */
+__STATIC_INLINE void __TTPage_64k(uint32_t *ttb, uint32_t base_address, uint32_t count, uint32_t descriptor_l1, uint32_t *ttb_l2, uint32_t descriptor_l2 )
+{
+    uint32_t offset, offset2;
+    uint32_t entry, entry2;
+    uint32_t i,j;
+
+
+    offset = base_address >> 20;
+    entry  = ((int)ttb_l2 & 0xFFFFFC00) | descriptor_l1;
+
+    //4 bytes aligned
+    ttb += offset;
+    //create l1_entry
+    *ttb = entry;
+
+    offset2 = (base_address & 0xff000) >> 12;
+    ttb_l2 += offset2;
+    entry2 = (base_address & 0xFFFF0000) | descriptor_l2;
+    for (i = 0; i < count; i++ )
+    {
+        //create 16 entries
+        for (j = 0; j < 16; j++)
+            //4 bytes aligned
+            *ttb_l2++ = entry2;
+        entry2 += OFFSET_64K;
+    }
+}
+
+/*@} end of MMU_Functions */
+#endif
+
+#ifdef __cplusplus
+}
+#endif