81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
/*
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* Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
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* Copyright (C) 2007-2009 PetaLogix
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* Copyright (C) 2006 Atmark Techno, Inc.
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#ifndef _ASM_MICROBLAZE_IO_H
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#define _ASM_MICROBLAZE_IO_H
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#include <asm/byteorder.h>
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#include <asm/page.h>
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#include <linux/types.h>
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#include <linux/mm.h> /* Get struct page {...} */
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#ifndef CONFIG_PCI
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#define _IO_BASE 0
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#define _ISA_MEM_BASE 0
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#else
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#define _IO_BASE isa_io_base
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#define _ISA_MEM_BASE isa_mem_base
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struct pci_dev;
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extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
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#define pci_iounmap pci_iounmap
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extern unsigned long isa_io_base;
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extern resource_size_t isa_mem_base;
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#endif
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#define PCI_IOBASE ((void __iomem *)_IO_BASE)
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#define IO_SPACE_LIMIT (0xFFFFFFFF)
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#ifdef CONFIG_MMU
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#define page_to_bus(page) (page_to_phys(page))
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extern void iounmap(void __iomem *addr);
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extern void __iomem *ioremap(phys_addr_t address, unsigned long size);
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#define ioremap_writethrough(addr, size) ioremap((addr), (size))
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#define ioremap_nocache(addr, size) ioremap((addr), (size))
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#define ioremap_fullcache(addr, size) ioremap((addr), (size))
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#define ioremap_wc(addr, size) ioremap((addr), (size))
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#endif /* CONFIG_MMU */
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/* Big Endian */
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#define out_be32(a, v) __raw_writel((v), (void __iomem __force *)(a))
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#define out_be16(a, v) __raw_writew((v), (a))
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#define in_be32(a) __raw_readl((const void __iomem __force *)(a))
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#define in_be16(a) __raw_readw(a)
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#define writel_be(v, a) out_be32((__force unsigned *)a, v)
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#define readl_be(a) in_be32((__force unsigned *)a)
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/* Little endian */
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#define out_le32(a, v) __raw_writel(__cpu_to_le32(v), (a))
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#define out_le16(a, v) __raw_writew(__cpu_to_le16(v), (a))
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#define in_le32(a) __le32_to_cpu(__raw_readl(a))
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#define in_le16(a) __le16_to_cpu(__raw_readw(a))
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/* Byte ops */
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#define out_8(a, v) __raw_writeb((v), (a))
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#define in_8(a) __raw_readb(a)
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#include <asm-generic/io.h>
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#define readb_relaxed readb
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#define readw_relaxed readw
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#define readl_relaxed readl
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#define writeb_relaxed writeb
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#define writew_relaxed writew
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#define writel_relaxed writel
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#endif /* _ASM_MICROBLAZE_IO_H */
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