tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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(volatile void __iomem *addr);
40
41extern void __iomem *ioremap(phys_addr_t address, unsigned long size);
42
43#endif /* CONFIG_MMU */
44
45/* Big Endian */
46#define out_be32(a, v) __raw_writel((v), (void __iomem __force *)(a))
47#define out_be16(a, v) __raw_writew((v), (a))
48
49#define in_be32(a) __raw_readl((const void __iomem __force *)(a))
50#define in_be16(a) __raw_readw(a)
51
52#define writel_be(v, a) out_be32((__force unsigned *)a, v)
53#define readl_be(a) in_be32((__force unsigned *)a)
54
55/* Little endian */
56#define out_le32(a, v) __raw_writel(__cpu_to_le32(v), (a))
57#define out_le16(a, v) __raw_writew(__cpu_to_le16(v), (a))
58
59#define in_le32(a) __le32_to_cpu(__raw_readl(a))
60#define in_le16(a) __le16_to_cpu(__raw_readw(a))
61
62/* Byte ops */
63#define out_8(a, v) __raw_writeb((v), (a))
64#define in_8(a) __raw_readb(a)
65
66#include <asm-generic/io.h>
67
68#endif /* _ASM_MICROBLAZE_IO_H */