1db866895SAndrew Jones #ifndef __ASMARM_MMU_H_ 2db866895SAndrew Jones #define __ASMARM_MMU_H_ 3db866895SAndrew Jones /* 4db866895SAndrew Jones * Copyright (C) 2014, Red Hat Inc, Andrew Jones <drjones@redhat.com> 5db866895SAndrew Jones * 6db866895SAndrew Jones * This work is licensed under the terms of the GNU LGPL, version 2. 7db866895SAndrew Jones */ 88cca5668SAndrew Jones #include <asm/barrier.h> 9153d1936SAndrew Jones 102f3028cdSAndrew Jones #define PTE_USER L_PTE_USER 11db328a24SAndrew Jones #define PTE_RDONLY PTE_AP2 122f3028cdSAndrew Jones #define PTE_SHARED L_PTE_SHARED 132f3028cdSAndrew Jones #define PTE_AF PTE_EXT_AF 142f3028cdSAndrew Jones #define PTE_WBWA L_PTE_MT_WRITEALLOC 152f3028cdSAndrew Jones 164b5caf0cSAlex Bennée /* See B3.18.7 TLB maintenance operations */ 174b5caf0cSAlex Bennée 18153d1936SAndrew Jones static inline void local_flush_tlb_all(void) 19153d1936SAndrew Jones { 204b5caf0cSAlex Bennée /* TLBIALL */ 21153d1936SAndrew Jones asm volatile("mcr p15, 0, %0, c8, c7, 0" :: "r" (0)); 22153d1936SAndrew Jones dsb(); 23153d1936SAndrew Jones isb(); 24153d1936SAndrew Jones } 25153d1936SAndrew Jones 26153d1936SAndrew Jones static inline void flush_tlb_all(void) 27153d1936SAndrew Jones { 28153d1936SAndrew Jones //TODO 29153d1936SAndrew Jones local_flush_tlb_all(); 30153d1936SAndrew Jones } 31153d1936SAndrew Jones 324b5caf0cSAlex Bennée static inline void flush_tlb_page(unsigned long vaddr) 334b5caf0cSAlex Bennée { 344b5caf0cSAlex Bennée /* TLBIMVAA */ 354b5caf0cSAlex Bennée asm volatile("mcr p15, 0, %0, c8, c7, 3" :: "r" (vaddr)); 364b5caf0cSAlex Bennée dsb(); 374b5caf0cSAlex Bennée isb(); 384b5caf0cSAlex Bennée } 394b5caf0cSAlex Bennée 40*f8891de2SAndrew Jones static inline void flush_dcache_addr(unsigned long vaddr) 41*f8891de2SAndrew Jones { 42*f8891de2SAndrew Jones asm volatile("mcr p15, 0, %0, c7, c14, 1" :: "r" (vaddr)); 43*f8891de2SAndrew Jones } 44*f8891de2SAndrew Jones 452f3028cdSAndrew Jones #include <asm/mmu-api.h> 46db866895SAndrew Jones 47db866895SAndrew Jones #endif /* __ASMARM_MMU_H_ */ 48