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TOMOYO Linux Cross Reference
Linux/arch/microblaze/include/asm/io.h

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  1 /*
  2  * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
  3  * Copyright (C) 2007-2009 PetaLogix
  4  * Copyright (C) 2006 Atmark Techno, Inc.
  5  *
  6  * This file is subject to the terms and conditions of the GNU General Public
  7  * License. See the file "COPYING" in the main directory of this archive
  8  * for more details.
  9  */
 10 
 11 #ifndef _ASM_MICROBLAZE_IO_H
 12 #define _ASM_MICROBLAZE_IO_H
 13 
 14 #include <asm/byteorder.h>
 15 #include <asm/page.h>
 16 #include <linux/types.h>
 17 #include <linux/mm.h>          /* Get struct page {...} */
 18 
 19 #ifndef CONFIG_PCI
 20 #define _IO_BASE        0
 21 #define _ISA_MEM_BASE   0
 22 #else
 23 #define _IO_BASE        isa_io_base
 24 #define _ISA_MEM_BASE   isa_mem_base
 25 struct pci_dev;
 26 extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
 27 #define pci_iounmap pci_iounmap
 28 
 29 extern unsigned long isa_io_base;
 30 extern resource_size_t isa_mem_base;
 31 #endif
 32 
 33 #define PCI_IOBASE      ((void __iomem *)_IO_BASE)
 34 #define IO_SPACE_LIMIT (0xFFFFFFFF)
 35 
 36 #ifdef CONFIG_MMU
 37 #define page_to_bus(page)       (page_to_phys(page))
 38 
 39 extern void iounmap(volatile void __iomem *addr);
 40 
 41 extern void __iomem *ioremap(phys_addr_t address, unsigned long size);
 42 #define ioremap_nocache(addr, size)             ioremap((addr), (size))
 43 #define ioremap_fullcache(addr, size)           ioremap((addr), (size))
 44 #define ioremap_wc(addr, size)                  ioremap((addr), (size))
 45 #define ioremap_wt(addr, size)                  ioremap((addr), (size))
 46 
 47 #endif /* CONFIG_MMU */
 48 
 49 /* Big Endian */
 50 #define out_be32(a, v) __raw_writel((v), (void __iomem __force *)(a))
 51 #define out_be16(a, v) __raw_writew((v), (a))
 52 
 53 #define in_be32(a) __raw_readl((const void __iomem __force *)(a))
 54 #define in_be16(a) __raw_readw(a)
 55 
 56 #define writel_be(v, a) out_be32((__force unsigned *)a, v)
 57 #define readl_be(a)     in_be32((__force unsigned *)a)
 58 
 59 /* Little endian */
 60 #define out_le32(a, v) __raw_writel(__cpu_to_le32(v), (a))
 61 #define out_le16(a, v) __raw_writew(__cpu_to_le16(v), (a))
 62 
 63 #define in_le32(a) __le32_to_cpu(__raw_readl(a))
 64 #define in_le16(a) __le16_to_cpu(__raw_readw(a))
 65 
 66 /* Byte ops */
 67 #define out_8(a, v) __raw_writeb((v), (a))
 68 #define in_8(a) __raw_readb(a)
 69 
 70 #include <asm-generic/io.h>
 71 
 72 #endif /* _ASM_MICROBLAZE_IO_H */
 73 

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