55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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****************************************************************************
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****************************************************************************/
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#ifndef __ASM_ARM_ARCH_IO_H
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#define __ASM_ARM_ARCH_IO_H
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#include <asm/hardware.h>
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#define IO_SPACE_LIMIT 0xffffffff
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#define __io(a) ((void __iomem *)(PCIO_BASE + (a)))
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#define __mem_pci(a) (a)
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#define PCIO_BASE 0
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#ifndef __ASSEMBLER__
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#define omap_readb(a) (*(volatile unsigned char *)IO_ADDRESS(a))
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#define omap_readw(a) (*(volatile unsigned short *)IO_ADDRESS(a))
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#define omap_readl(a) (*(volatile unsigned int *)IO_ADDRESS(a))
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#define omap_writeb(v,a) (*(volatile unsigned char *)IO_ADDRESS(a) = (v))
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#define omap_writew(v,a) (*(volatile unsigned short *)IO_ADDRESS(a) = (v))
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#define omap_writel(v,a) (*(volatile unsigned int *)IO_ADDRESS(a) = (v))
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typedef struct { volatile u16 offset[256]; } __regbase16;
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#define __REGV16(vaddr) ((__regbase16 *)((vaddr)&~0xff)) ->offset[((vaddr)&0xff)>>1]
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#define __REG16(paddr) __REGV16(io_p2v(paddr))
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typedef struct { volatile u8 offset[4096]; } __regbase8;
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#define __REGV8(vaddr) ((__regbase8 *)((vaddr)&~4095)) ->offset[((vaddr)&4095)>>0]
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#define __REG8(paddr) __REGV8(io_p2v(paddr))
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typedef struct { volatile u32 offset[4096]; } __regbase32;
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#define __REGV32(vaddr) ((__regbase32 *)((vaddr)&~4095)) ->offset[((vaddr)&4095)>>2]
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#define __REG32(paddr) __REGV32(io_p2v(paddr))
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#else
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#define __REG8(paddr) io_p2v(paddr)
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#define __REG16(paddr) io_p2v(paddr)
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#define __REG32(paddr) io_p2v(paddr)
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#endif
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#endif
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