/*
* 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))
+ (unsigned long *)((unsigned long)(ttb_base) + ((table_index) << 2))
#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; \
- \
- 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); \
- } \
- }
+#define ARM_MMU_SECTION(ttb_base, actual_base, virtual_base, \
+ 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); \
+ } \
+ }
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) )
-
+#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) )
+
+#if 0
/*
* translate the virtual address of ram space to physical address
* It is dependent on the implementation of hal_mmu_init
*/
static unsigned long __inline__ hal_virt_to_phy(unsigned long virt)
{
- if (virt < 0x08000000) {
- return virt | 0x40000000;
- }
- if ((virt & 0xF0000000) == 0x40000000) {
- return virt & ~0x08000000;
- }
- return virt;
+ if (virt < 0x08000000) {
+ return virt | 0x40000000;
+ }
+ if ((virt & 0xF0000000) == 0x40000000) {
+ return virt & ~0x08000000;
+ }
+ return virt;
}
/*
*/
static unsigned long __inline__ hal_ioremap_nocache(unsigned long phy)
{
- /* 0x48000000~0x48FFFFFF is uncacheable meory space which is mapped to SDRAM*/
- if ((phy & 0xF0000000) == 0x40000000) {
- phy |= 0x08000000;
- }
- return phy;
+ /* 0x48000000~0x48FFFFFF is uncacheable meory space which is mapped to SDRAM*/
+ if ((phy & 0xF0000000) == 0x40000000) {
+ phy |= 0x08000000;
+ }
+ return phy;
}
+#endif
// ------------------------------------------------------------------------
#endif // ifndef CYGONCE_HAL_MM_H