125 lines
2.7 KiB
C
125 lines
2.7 KiB
C
#ifndef __ASM_MMU_H
|
|
#define __ASM_MMU_H
|
|
|
|
#include <common.h>
|
|
#include <errno.h>
|
|
#include <malloc.h>
|
|
#include <xfuncs.h>
|
|
|
|
#include <asm/pgtable.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)
|
|
|
|
struct arm_memory;
|
|
|
|
static inline void mmu_enable(void)
|
|
{
|
|
}
|
|
void mmu_disable(void);
|
|
static inline void arm_create_section(unsigned long virt, unsigned long phys, int size_m,
|
|
unsigned int flags)
|
|
{
|
|
}
|
|
|
|
static inline void setup_dma_coherent(unsigned long offset)
|
|
{
|
|
}
|
|
|
|
#define dma_alloc dma_alloc
|
|
static inline void *dma_alloc(size_t size)
|
|
{
|
|
return xmemalign(64, ALIGN(size, 64));
|
|
}
|
|
|
|
#ifdef CONFIG_MMU
|
|
void *dma_alloc_coherent(size_t size);
|
|
void dma_free_coherent(void *mem, size_t size);
|
|
|
|
void dma_clean_range(unsigned long, unsigned long);
|
|
void dma_flush_range(unsigned long, unsigned long);
|
|
void dma_inv_range(unsigned long, unsigned long);
|
|
unsigned long virt_to_phys(void *virt);
|
|
void *phys_to_virt(unsigned long phys);
|
|
void remap_range(void *_start, size_t size, uint32_t flags);
|
|
void *map_io_sections(unsigned long physaddr, void *start, size_t size);
|
|
uint32_t mmu_get_pte_cached_flags(void);
|
|
uint32_t mmu_get_pte_uncached_flags(void);
|
|
|
|
#else
|
|
static inline void *dma_alloc_coherent(size_t size)
|
|
{
|
|
return xmemalign(4096, size);
|
|
}
|
|
|
|
static inline void dma_free_coherent(void *mem, size_t size)
|
|
{
|
|
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(unsigned long s, unsigned long e)
|
|
{
|
|
}
|
|
|
|
static inline void dma_flush_range(unsigned long s, unsigned long e)
|
|
{
|
|
}
|
|
|
|
static inline void dma_inv_range(unsigned long s, unsigned long e)
|
|
{
|
|
}
|
|
|
|
static inline void remap_range(void *_start, size_t size, uint32_t flags)
|
|
{
|
|
}
|
|
|
|
static inline void *map_io_sections(unsigned long phys, void *start, size_t size)
|
|
{
|
|
return (void *)phys;
|
|
}
|
|
|
|
static inline uint32_t mmu_get_pte_cached_flags(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline uint32_t mmu_get_pte_uncached_flags(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
#ifdef CONFIG_CACHE_L2X0
|
|
void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask);
|
|
#else
|
|
static inline void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
struct outer_cache_fns {
|
|
void (*inv_range)(unsigned long, unsigned long);
|
|
void (*clean_range)(unsigned long, unsigned long);
|
|
void (*flush_range)(unsigned long, unsigned long);
|
|
void (*disable)(void);
|
|
};
|
|
|
|
extern struct outer_cache_fns outer_cache;
|
|
|
|
void __dma_clean_range(unsigned long, unsigned long);
|
|
void __dma_flush_range(unsigned long, unsigned long);
|
|
void __dma_inv_range(unsigned long, unsigned long);
|
|
|
|
#endif /* __ASM_MMU_H */
|