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(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