With relocatable binaries the vector addresses cannot be supplied by the linker. This adds support for fixing them up during runtime. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
125 lines
2.7 KiB
C
125 lines
2.7 KiB
C
#ifndef __ASM_MMU_H
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#define __ASM_MMU_H
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#include <common.h>
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#include <errno.h>
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#include <malloc.h>
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#include <xfuncs.h>
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#include <asm/pgtable.h>
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#define PMD_SECT_DEF_UNCACHED (PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | PMD_TYPE_SECT)
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#define PMD_SECT_DEF_CACHED (PMD_SECT_WB | PMD_SECT_DEF_UNCACHED)
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struct arm_memory;
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static inline void mmu_enable(void)
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{
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}
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void mmu_disable(void);
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static inline void arm_create_section(unsigned long virt, unsigned long phys, int size_m,
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unsigned int flags)
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{
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}
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static inline void setup_dma_coherent(unsigned long offset)
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{
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}
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#define dma_alloc dma_alloc
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static inline void *dma_alloc(size_t size)
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{
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return xmemalign(64, ALIGN(size, 64));
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}
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#ifdef CONFIG_MMU
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void *dma_alloc_coherent(size_t size);
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void dma_free_coherent(void *mem, size_t size);
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void dma_clean_range(unsigned long, unsigned long);
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void dma_flush_range(unsigned long, unsigned long);
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void dma_inv_range(unsigned long, unsigned long);
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unsigned long virt_to_phys(void *virt);
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void *phys_to_virt(unsigned long phys);
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void remap_range(void *_start, size_t size, uint32_t flags);
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void *map_io_sections(unsigned long physaddr, void *start, size_t size);
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uint32_t mmu_get_pte_cached_flags(void);
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uint32_t mmu_get_pte_uncached_flags(void);
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#else
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static inline void *dma_alloc_coherent(size_t size)
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{
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return xmemalign(4096, size);
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}
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static inline void dma_free_coherent(void *mem, size_t size)
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{
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free(mem);
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}
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static inline void *phys_to_virt(unsigned long phys)
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{
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return (void *)phys;
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}
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static inline unsigned long virt_to_phys(void *mem)
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{
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return (unsigned long)mem;
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}
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static inline void dma_clean_range(unsigned long s, unsigned long e)
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{
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}
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static inline void dma_flush_range(unsigned long s, unsigned long e)
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{
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}
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static inline void dma_inv_range(unsigned long s, unsigned long e)
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{
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}
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static inline void remap_range(void *_start, size_t size, uint32_t flags)
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{
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}
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static inline void *map_io_sections(unsigned long phys, void *start, size_t size)
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{
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return (void *)phys;
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}
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static inline uint32_t mmu_get_pte_cached_flags(void)
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{
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return 0;
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}
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static inline uint32_t mmu_get_pte_uncached_flags(void)
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{
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return 0;
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}
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#endif
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#ifdef CONFIG_CACHE_L2X0
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void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask);
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#else
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static inline void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask)
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{
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}
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#endif
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struct outer_cache_fns {
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void (*inv_range)(unsigned long, unsigned long);
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void (*clean_range)(unsigned long, unsigned long);
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void (*flush_range)(unsigned long, unsigned long);
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void (*disable)(void);
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};
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extern struct outer_cache_fns outer_cache;
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void __dma_clean_range(unsigned long, unsigned long);
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void __dma_flush_range(unsigned long, unsigned long);
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void __dma_inv_range(unsigned long, unsigned long);
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#endif /* __ASM_MMU_H */
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