1 #ifndef _ASMARM64_MMU_H_ 2 #define _ASMARM64_MMU_H_ 3 /* 4 * Copyright (C) 2014, Red Hat Inc, Andrew Jones <drjones@redhat.com> 5 * 6 * This work is licensed under the terms of the GNU LGPL, version 2. 7 */ 8 #include <asm/barrier.h> 9 10 #define PMD_SECT_UNCACHED PMD_ATTRINDX(MT_DEVICE_nGnRE) 11 #define PTE_UNCACHED PTE_ATTRINDX(MT_DEVICE_nGnRE) 12 #define PTE_WBWA PTE_ATTRINDX(MT_NORMAL) 13 14 static inline void flush_tlb_all(void) 15 { 16 dsb(ishst); 17 asm("tlbi vmalle1is"); 18 dsb(ish); 19 isb(); 20 } 21 22 static inline void flush_tlb_page(unsigned long vaddr) 23 { 24 unsigned long page = vaddr >> 12; 25 dsb(ishst); 26 asm("tlbi vaae1is, %0" :: "r" (page)); 27 dsb(ish); 28 isb(); 29 } 30 31 static inline void flush_dcache_addr(unsigned long vaddr) 32 { 33 asm volatile("dc civac, %0" :: "r" (vaddr)); 34 } 35 36 #include <asm/mmu-api.h> 37 38 #endif /* _ASMARM64_MMU_H_ */ 39