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Data types defined for 64 bit physical address

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Data types and I/O functions have been defined for
64 bit physical addresses in arm.

Signed-off-by: Aneesh Bansal <aneesh.bansal@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Aneesh Bansal 2015-09-17 16:16:35 +05:30 committed by York Sun
parent 7bcb0eb285
commit f4f0b7403a
2 changed files with 9 additions and 5 deletions
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4
arch/arm/include/asm/io.h
View File

@ -46,7 +46,7 @@ static inline void sync(void)
static inline void *
map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
{
return (void *)paddr;
return (void *)((unsigned long)paddr);
}
/*
@ -59,7 +59,7 @@ static inline void unmap_physmem(void *vaddr, unsigned long flags)
static inline phys_addr_t virt_to_phys(void * vaddr)
{
return (phys_addr_t)(vaddr);
return (phys_addr_t)((unsigned long)vaddr);
}
/*

10
arch/arm/include/asm/types.h
View File

@ -45,12 +45,16 @@ typedef unsigned long long u64;
#define BITS_PER_LONG 32
#endif /* CONFIG_ARM64 */
/* Dma addresses are 32-bits wide. */
#ifdef CONFIG_PHYS_64BIT
typedef unsigned long long dma_addr_t;
typedef unsigned long long phys_addr_t;
typedef unsigned long long phys_size_t;
#else
/* DMA addresses are 32-bits wide */
typedef u32 dma_addr_t;
typedef unsigned long phys_addr_t;
typedef unsigned long phys_size_t;
#endif
#endif /* __KERNEL__ */