diff options
Diffstat (limited to 'include/asm-arm/io.h')
| -rw-r--r-- | include/asm-arm/io.h | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h index 2e6799632f1..fd0147e52db 100644 --- a/include/asm-arm/io.h +++ b/include/asm-arm/io.h @@ -42,9 +42,9 @@ extern void __raw_writesb(void __iomem *addr, const void *data, int bytelen); extern void __raw_writesw(void __iomem *addr, const void *data, int wordlen); extern void __raw_writesl(void __iomem *addr, const void *data, int longlen); -extern void __raw_readsb(void __iomem *addr, void *data, int bytelen); -extern void __raw_readsw(void __iomem *addr, void *data, int wordlen); -extern void __raw_readsl(void __iomem *addr, void *data, int longlen); +extern void __raw_readsb(const void __iomem *addr, void *data, int bytelen); +extern void __raw_readsw(const void __iomem *addr, void *data, int wordlen); +extern void __raw_readsl(const void __iomem *addr, void *data, int longlen); #define __raw_writeb(v,a) (__chk_io_ptr(a), *(volatile unsigned char __force *)(a) = (v)) #define __raw_writew(v,a) (__chk_io_ptr(a), *(volatile unsigned short __force *)(a) = (v)) @@ -55,6 +55,17 @@ extern void __raw_readsl(void __iomem *addr, void *data, int longlen); #define __raw_readl(a) (__chk_io_ptr(a), *(volatile unsigned int __force *)(a)) /* + * Architecture ioremap implementation. + * + * __ioremap takes CPU physical address. + * + * __ioremap_pfn takes a Page Frame Number and an offset into that page + */ +extern void __iomem * __ioremap_pfn(unsigned long, unsigned long, size_t, unsigned long); +extern void __iomem * __ioremap(unsigned long, size_t, unsigned long); +extern void __iounmap(void __iomem *addr); + +/* * Bad read/write accesses... */ extern void __readwrite_bug(const char *fn); @@ -255,19 +266,17 @@ out: * * ioremap takes a PCI memory address, as specified in * Documentation/IO-mapping.txt. + * */ -extern void __iomem * __ioremap(unsigned long, size_t, unsigned long, unsigned long); -extern void __iounmap(void __iomem *addr); - #ifndef __arch_ioremap -#define ioremap(cookie,size) __ioremap(cookie,size,0,1) -#define ioremap_nocache(cookie,size) __ioremap(cookie,size,0,1) -#define ioremap_cached(cookie,size) __ioremap(cookie,size,L_PTE_CACHEABLE,1) +#define ioremap(cookie,size) __ioremap(cookie,size,0) +#define ioremap_nocache(cookie,size) __ioremap(cookie,size,0) +#define ioremap_cached(cookie,size) __ioremap(cookie,size,L_PTE_CACHEABLE) #define iounmap(cookie) __iounmap(cookie) #else -#define ioremap(cookie,size) __arch_ioremap((cookie),(size),0,1) -#define ioremap_nocache(cookie,size) __arch_ioremap((cookie),(size),0,1) -#define ioremap_cached(cookie,size) __arch_ioremap((cookie),(size),L_PTE_CACHEABLE,1) +#define ioremap(cookie,size) __arch_ioremap((cookie),(size),0) +#define ioremap_nocache(cookie,size) __arch_ioremap((cookie),(size),0) +#define ioremap_cached(cookie,size) __arch_ioremap((cookie),(size),L_PTE_CACHEABLE) #define iounmap(cookie) __arch_iounmap(cookie) #endif |