65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
#ifndef __ASM_MMU_H
|
|
#define __ASM_MMU_H
|
|
|
|
#include <asm/pgtable.h>
|
|
#include <malloc.h>
|
|
|
|
#define PMD_SECT_DEF_UNCACHED (PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | PMD_TYPE_SECT)
|
|
#define PMD_SECT_DEF_CACHED (PMD_SECT_WB | PMD_SECT_DEF_UNCACHED)
|
|
|
|
void mmu_init(void);
|
|
void mmu_enable(void);
|
|
void mmu_disable(void);
|
|
void arm_create_section(unsigned long virt, unsigned long phys, int size_m,
|
|
unsigned int flags);
|
|
|
|
void setup_dma_coherent(unsigned long offset);
|
|
|
|
#ifdef CONFIG_MMU
|
|
void *dma_alloc_coherent(size_t size);
|
|
void dma_free_coherent(void *mem);
|
|
|
|
void dma_clean_range(const void *, const void *);
|
|
void dma_flush_range(const void *, const void *);
|
|
void dma_inv_range(const void *, const void *);
|
|
unsigned long virt_to_phys(void *virt);
|
|
void *phys_to_virt(unsigned long phys);
|
|
|
|
#else
|
|
static inline void *dma_alloc_coherent(size_t size)
|
|
{
|
|
return malloc(size);
|
|
}
|
|
|
|
static inline void dma_free_coherent(void *mem)
|
|
{
|
|
free(mem);
|
|
}
|
|
|
|
static inline void *phys_to_virt(unsigned long phys)
|
|
{
|
|
return (void *)phys;
|
|
}
|
|
|
|
static inline unsigned long virt_to_phys(void *mem)
|
|
{
|
|
return (unsigned long)mem;
|
|
}
|
|
|
|
static inline void dma_clean_range(const void *s, const void *e)
|
|
{
|
|
}
|
|
|
|
static inline void dma_flush_range(const void *s, const void *e)
|
|
{
|
|
}
|
|
|
|
static inline void dma_inv_range(const void *s, const void *e)
|
|
{
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif /* __ASM_MMU_H */
|
|
|