/*
* 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
-
-
-
-
-