TX51 pre-release
[karo-tx-redboot.git] / packages / hal / arm / mx25 / var / v2_0 / include / hal_mm.h
index 4291324..f24b037 100644 (file)
 /*
  * Translation Table Base Bit Masks
  */
-#define ARM_TRANSLATION_TABLE_MASK               0xFFFFC000
+#define ARM_TRANSLATION_TABLE_MASK                              0xFFFFC000
 
 /*
  * Domain Access Control Bit Masks
  */
-#define ARM_ACCESS_TYPE_NO_ACCESS(domain_num)    (0x0 << (domain_num)*2)
-#define ARM_ACCESS_TYPE_CLIENT(domain_num)       (0x1 << (domain_num)*2)
-#define ARM_ACCESS_TYPE_MANAGER(domain_num)      (0x3 << (domain_num)*2)
+#define ARM_ACCESS_TYPE_NO_ACCESS(domain_num)   (0x0 << ((domain_num) * 2))
+#define ARM_ACCESS_TYPE_CLIENT(domain_num)              (0x1 << ((domain_num) * 2))
+#define ARM_ACCESS_TYPE_MANAGER(domain_num)             (0x3 << ((domain_num) * 2))
 
 struct ARM_MMU_FIRST_LEVEL_FAULT {
-        unsigned int id : 2;
-        unsigned int sbz : 30;
+       unsigned int id : 2;
+       unsigned int sbz : 30;
 };
 
 #define ARM_MMU_FIRST_LEVEL_FAULT_ID 0x0
 
 struct ARM_MMU_FIRST_LEVEL_PAGE_TABLE {
-        unsigned int id : 2;
-        unsigned int imp : 2;
-        unsigned int domain : 4;
-        unsigned int sbz : 1;
-        unsigned int base_address : 23;
+       unsigned int id : 2;
+       unsigned int imp : 2;
+       unsigned int domain : 4;
+       unsigned int sbz : 1;
+       unsigned int base_address : 23;
 };
 
 #define ARM_MMU_FIRST_LEVEL_PAGE_TABLE_ID 0x1
 
 struct ARM_MMU_FIRST_LEVEL_SECTION {
-        unsigned int id : 2;
-        unsigned int b : 1;
-        unsigned int c : 1;
-        unsigned int imp : 1;
-        unsigned int domain : 4;
-        unsigned int sbz0 : 1;
-        unsigned int ap : 2;
-        unsigned int sbz1 : 8;
-        unsigned int base_address : 12;
+       unsigned int id : 2;
+       unsigned int b : 1;
+       unsigned int c : 1;
+       unsigned int imp : 1;
+       unsigned int domain : 4;
+       unsigned int sbz0 : 1;
+       unsigned int ap : 2;
+       unsigned int sbz1 : 8;
+       unsigned int base_address : 12;
 };
 
 #define ARM_MMU_FIRST_LEVEL_SECTION_ID 0x2
 
 struct ARM_MMU_FIRST_LEVEL_RESERVED {
-        unsigned int id : 2;
-        unsigned int sbz : 30;
+       unsigned int id : 2;
+       unsigned int sbz : 30;
 };
 
 #define ARM_MMU_FIRST_LEVEL_RESERVED_ID 0x3
 
-#define ARM_MMU_FIRST_LEVEL_DESCRIPTOR_ADDRESS(ttb_base, table_index) \
-        (unsigned long *)((unsigned long)(ttb_base) + ((table_index) << 2))
+#define ARM_MMU_FIRST_LEVEL_DESCRIPTOR_ADDRESS(ttb_base, table_index)  \
+       ((unsigned long *)(ttb_base) + (table_index))
 
 #define ARM_FIRST_LEVEL_PAGE_TABLE_SIZE 0x4000
 
 #define ARM_MMU_SECTION(ttb_base, actual_base, virtual_base,                   \
-                        cacheable, bufferable, perm)                                   \
-    CYG_MACRO_START                                                                                                            \
-        register union ARM_MMU_FIRST_LEVEL_DESCRIPTOR desc;                            \
+                                               cacheable, bufferable, perm)                                    \
+       CYG_MACRO_START                                                                                                         \
+       register union ARM_MMU_FIRST_LEVEL_DESCRIPTOR desc;                                     \
                                                                                                                                                \
-        desc.word = 0;                                                                                                 \
-        desc.section.id = ARM_MMU_FIRST_LEVEL_SECTION_ID;                              \
-        desc.section.domain = 0;                                                                               \
-        desc.section.c = cacheable;                                                                            \
-        desc.section.b = bufferable;                                                                   \
-        desc.section.ap = perm;                                                                                        \
-        desc.section.base_address = actual_base;                                               \
-        *ARM_MMU_FIRST_LEVEL_DESCRIPTOR_ADDRESS(ttb_base, virtual_base)        \
-                            = desc.word;                                                               \
-    CYG_MACRO_END
-
-#define X_ARM_MMU_SECTION(abase,vbase,size,cache,buff,access) {                \
-       int i; int j = abase; int k = vbase;                                                    \
-       for (i = size; i > 0 ; i--, j++, k++) {                                                 \
-        ARM_MMU_SECTION(ttb_base, j, k, cache, buff, access);          \
-       }                                                                                                                               \
-}
+       desc.word = 0;                                                                                                          \
+       desc.section.id = ARM_MMU_FIRST_LEVEL_SECTION_ID;                                       \
+       desc.section.domain = 0;                                                                                        \
+       desc.section.c = cacheable;                                                                                     \
+       desc.section.b = bufferable;                                                                            \
+       desc.section.ap = perm;                                                                                         \
+       desc.section.base_address = actual_base;                                                        \
+       *ARM_MMU_FIRST_LEVEL_DESCRIPTOR_ADDRESS(ttb_base, virtual_base) = desc.word; \
+       CYG_MACRO_END
+
+#define X_ARM_MMU_SECTION(abase,vbase,size,cache,buff,access)                  \
+       CYG_MACRO_START                                                                                                         \
+               int i; int j = abase; int k = vbase;                                                    \
+               for (i = size; i > 0 ; i--, j++, k++) {                                                 \
+                       ARM_MMU_SECTION(ttb_base, j, k, cache, buff, access);           \
+               }                                                                                                                               \
+       CYG_MACRO_END
 
 union ARM_MMU_FIRST_LEVEL_DESCRIPTOR {
-        unsigned long word;
-        struct ARM_MMU_FIRST_LEVEL_FAULT fault;
-        struct ARM_MMU_FIRST_LEVEL_PAGE_TABLE page_table;
-        struct ARM_MMU_FIRST_LEVEL_SECTION section;
-        struct ARM_MMU_FIRST_LEVEL_RESERVED reserved;
+       unsigned long word;
+       struct ARM_MMU_FIRST_LEVEL_FAULT fault;
+       struct ARM_MMU_FIRST_LEVEL_PAGE_TABLE page_table;
+       struct ARM_MMU_FIRST_LEVEL_SECTION section;
+       struct ARM_MMU_FIRST_LEVEL_RESERVED reserved;
 };
 
-#define ARM_UNCACHEABLE                         0
-#define ARM_CACHEABLE                           1
-#define ARM_UNBUFFERABLE                        0
-#define ARM_BUFFERABLE                          1
+#define ARM_UNCACHEABLE                                                        0
+#define ARM_CACHEABLE                                                  1
+#define ARM_UNBUFFERABLE                                               0
+#define ARM_BUFFERABLE                                                 1
 
-#define ARM_ACCESS_PERM_NONE_NONE               0
-#define ARM_ACCESS_PERM_RO_NONE                 0
-#define ARM_ACCESS_PERM_RO_RO                   0
-#define ARM_ACCESS_PERM_RW_NONE                 1
-#define ARM_ACCESS_PERM_RW_RO                   2
-#define ARM_ACCESS_PERM_RW_RW                   3
+#define ARM_ACCESS_PERM_NONE_NONE                              0
+#define ARM_ACCESS_PERM_RO_NONE                                        0
+#define ARM_ACCESS_PERM_RO_RO                                  0
+#define ARM_ACCESS_PERM_RW_NONE                                        1
+#define ARM_ACCESS_PERM_RW_RO                                  2
+#define ARM_ACCESS_PERM_RW_RW                                  3
 
 /*
  * Initialization for the Domain Access Control Register
  */
-#define ARM_ACCESS_DACR_DEFAULT      (          \
-        ARM_ACCESS_TYPE_MANAGER(0)    |         \
-        ARM_ACCESS_TYPE_NO_ACCESS(1)  |         \
-        ARM_ACCESS_TYPE_NO_ACCESS(2)  |         \
-        ARM_ACCESS_TYPE_NO_ACCESS(3)  |         \
-        ARM_ACCESS_TYPE_NO_ACCESS(4)  |         \
-        ARM_ACCESS_TYPE_NO_ACCESS(5)  |         \
-        ARM_ACCESS_TYPE_NO_ACCESS(6)  |         \
-        ARM_ACCESS_TYPE_NO_ACCESS(7)  |         \
-        ARM_ACCESS_TYPE_NO_ACCESS(8)  |         \
-        ARM_ACCESS_TYPE_NO_ACCESS(9)  |         \
-        ARM_ACCESS_TYPE_NO_ACCESS(10) |         \
-        ARM_ACCESS_TYPE_NO_ACCESS(11) |         \
-        ARM_ACCESS_TYPE_NO_ACCESS(12) |         \
-        ARM_ACCESS_TYPE_NO_ACCESS(13) |         \
-        ARM_ACCESS_TYPE_NO_ACCESS(14) |         \
-        ARM_ACCESS_TYPE_NO_ACCESS(15) )
-/*
- * translate the virtual address of ram space to physical address
- * It is dependent on the implementation of hal_mmu_init
- */
-#ifndef RAM_BANK0_SIZE
-#warning using SDRAM_SIZE for RAM_BANK0_SIZE
-#define RAM_BANK0_SIZE         SDRAM_SIZE
-#endif
-
-static unsigned long __inline__ hal_virt_to_phy(unsigned long virt)
-{
-       /* SDRAM mappings:
-          80000000 -> 80000000
-          90000000 -> 80000000 + (SDRAM_SIZE / 2)
-        */
-       if (virt < 0x08000000) {
-               return virt | (virt < RAM_BANK0_SIZE ? CSD0_BASE_ADDR : CSD1_BASE_ADDR);
-       }
-       if ((virt & 0xF0000000) == CSD0_BASE_ADDR) {
-               virt &= ~0x08000000;
-               if (virt >= CSD0_BASE_ADDR + RAM_BANK0_SIZE) {
-                       virt = virt - CSD0_BASE_ADDR + CSD1_BASE_ADDR - RAM_BANK0_SIZE;
-               }
-       }
-       return virt;
-}
-
-/*
- * remap the physical address of ram space to uncacheable virtual address space
- * It is dependent on the implementation of hal_mmu_init
- */
-static unsigned long __inline__ hal_ioremap_nocache(unsigned long phy)
-{
-       /* 0x88000000~0x88FFFFFF is uncacheable memory space which is mapped to SDRAM */
-       if ((phy & 0xF0000000) == CSD0_BASE_ADDR) {
-               phy |= 0x08000000;
-       }
-       if ((phy & 0xF0000000) == CSD1_BASE_ADDR) {
-               phy = (phy - CSD1_BASE_ADDR + CSD0_BASE_ADDR + RAM_BANK0_SIZE) | 0x08000000;
-       }
-       return phy;
-}
+#define ARM_ACCESS_DACR_DEFAULT                 (                      \
+               ARM_ACCESS_TYPE_MANAGER(0)        |                     \
+               ARM_ACCESS_TYPE_NO_ACCESS(1)  |                 \
+               ARM_ACCESS_TYPE_NO_ACCESS(2)  |                 \
+               ARM_ACCESS_TYPE_NO_ACCESS(3)  |                 \
+               ARM_ACCESS_TYPE_NO_ACCESS(4)  |                 \
+               ARM_ACCESS_TYPE_NO_ACCESS(5)  |                 \
+               ARM_ACCESS_TYPE_NO_ACCESS(6)  |                 \
+               ARM_ACCESS_TYPE_NO_ACCESS(7)  |                 \
+               ARM_ACCESS_TYPE_NO_ACCESS(8)  |                 \
+               ARM_ACCESS_TYPE_NO_ACCESS(9)  |                 \
+               ARM_ACCESS_TYPE_NO_ACCESS(10) |                 \
+               ARM_ACCESS_TYPE_NO_ACCESS(11) |                 \
+               ARM_ACCESS_TYPE_NO_ACCESS(12) |                 \
+               ARM_ACCESS_TYPE_NO_ACCESS(13) |                 \
+               ARM_ACCESS_TYPE_NO_ACCESS(14) |                 \
+               ARM_ACCESS_TYPE_NO_ACCESS(15) )
 
 // ------------------------------------------------------------------------
 #endif // ifndef CYGONCE_HAL_MM_H
 // End of hal_mm.h
-
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