diff options
Diffstat (limited to 'arch/arm/mach-davinci/include/mach/io.h')
-rw-r--r-- | arch/arm/mach-davinci/include/mach/io.h | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/arch/arm/mach-davinci/include/mach/io.h b/arch/arm/mach-davinci/include/mach/io.h index a48795fd2417..2479785405af 100644 --- a/arch/arm/mach-davinci/include/mach/io.h +++ b/arch/arm/mach-davinci/include/mach/io.h | |||
@@ -40,22 +40,12 @@ | |||
40 | #else | 40 | #else |
41 | #define IOMEM(x) ((void __force __iomem *)(x)) | 41 | #define IOMEM(x) ((void __force __iomem *)(x)) |
42 | 42 | ||
43 | /* | 43 | #define __arch_ioremap(p, s, t) davinci_ioremap(p, s, t) |
44 | * Functions to access the DaVinci IO region | 44 | #define __arch_iounmap(v) davinci_iounmap(v) |
45 | * | ||
46 | * NOTE: - Use davinci_read/write[bwl] for physical register addresses | ||
47 | * - Use __raw_read/write[bwl]() for virtual register addresses | ||
48 | * - Use IO_ADDRESS(phys_addr) to convert registers to virtual addresses | ||
49 | * - DO NOT use hardcoded virtual addresses to allow changing the | ||
50 | * IO address space again if needed | ||
51 | */ | ||
52 | #define davinci_readb(a) __raw_readb(IO_ADDRESS(a)) | ||
53 | #define davinci_readw(a) __raw_readw(IO_ADDRESS(a)) | ||
54 | #define davinci_readl(a) __raw_readl(IO_ADDRESS(a)) | ||
55 | 45 | ||
56 | #define davinci_writeb(v, a) __raw_writeb(v, IO_ADDRESS(a)) | 46 | void __iomem *davinci_ioremap(unsigned long phys, size_t size, |
57 | #define davinci_writew(v, a) __raw_writew(v, IO_ADDRESS(a)) | 47 | unsigned int type); |
58 | #define davinci_writel(v, a) __raw_writel(v, IO_ADDRESS(a)) | 48 | void davinci_iounmap(volatile void __iomem *addr); |
59 | 49 | ||
60 | #endif /* __ASSEMBLER__ */ | 50 | #endif /* __ASSEMBLER__ */ |
61 | #endif /* __ASM_ARCH_IO_H */ | 51 | #endif /* __ASM_ARCH_IO_H */ |