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
25struct pci_dev;
26extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
27#define pci_iounmap pci_iounmap
28
29extern unsigned long isa_io_base;
30extern 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
39extern void iounmap(void __iomem *addr);
40
41extern 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