/*
* Section
*/
-#define PMD_SECT_S (3 << 8)
+#define PMD_SECT_NS (1 << 5)
+#define PMD_SECT_NON_SHARE (0 << 8)
+#define PMD_SECT_OUTER_SHARE (2 << 8)
+#define PMD_SECT_INNER_SHARE (3 << 8)
#define PMD_SECT_AF (1 << 10)
#define PMD_SECT_NG (1 << 11)
#define PMD_SECT_PXN (UL(1) << 53)
#define TCR_ORGN_WBNWA (3 << 10)
#define TCR_ORGN_MASK (3 << 10)
#define TCR_SHARED_NON (0 << 12)
-#define TCR_SHARED_OUTER (1 << 12)
-#define TCR_SHARED_INNER (2 << 12)
+#define TCR_SHARED_OUTER (2 << 12)
+#define TCR_SHARED_INNER (3 << 12)
#define TCR_TG0_4K (0 << 14)
#define TCR_TG0_64K (1 << 14)
#define TCR_TG0_16K (2 << 14)
#define TCR_EL2_IPS_BITS (3 << 16) /* 42 bits physical address */
#define TCR_EL3_IPS_BITS (3 << 16) /* 42 bits physical address */
-/* PTWs cacheable, inner/outer WBWA and non-shareable */
+/* PTWs cacheable, inner/outer WBWA and inner shareable */
#define TCR_FLAGS (TCR_TG0_64K | \
- TCR_SHARED_NON | \
+ TCR_SHARED_INNER | \
TCR_ORGN_WBWA | \
TCR_IRGN_WBWA | \
TCR_T0SZ(VA_BITS))
+#define TCR_EL1_RSVD (1 << 31)
+#define TCR_EL2_RSVD (1 << 31 | 1 << 23)
+#define TCR_EL3_RSVD (1 << 31 | 1 << 23)
+
+#ifndef __ASSEMBLY__
+
+void set_pgtable_section(u64 *page_table, u64 index,
+ u64 section, u64 memory_type,
+ u64 attribute);
+void set_pgtable_table(u64 *page_table, u64 index,
+ u64 *table_addr);
+
+static inline void set_ttbr_tcr_mair(int el, u64 table, u64 tcr, u64 attr)
+{
+ asm volatile("dsb sy");
+ if (el == 1) {
+ asm volatile("msr ttbr0_el1, %0" : : "r" (table) : "memory");
+ asm volatile("msr tcr_el1, %0" : : "r" (tcr) : "memory");
+ asm volatile("msr mair_el1, %0" : : "r" (attr) : "memory");
+ } else if (el == 2) {
+ asm volatile("msr ttbr0_el2, %0" : : "r" (table) : "memory");
+ asm volatile("msr tcr_el2, %0" : : "r" (tcr) : "memory");
+ asm volatile("msr mair_el2, %0" : : "r" (attr) : "memory");
+ } else if (el == 3) {
+ asm volatile("msr ttbr0_el3, %0" : : "r" (table) : "memory");
+ asm volatile("msr tcr_el3, %0" : : "r" (tcr) : "memory");
+ asm volatile("msr mair_el3, %0" : : "r" (attr) : "memory");
+ } else {
+ hang();
+ }
+ asm volatile("isb");
+}
+#endif
#endif /* _ASM_ARMV8_MMU_H_ */