1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu>
4 * Copyright (C) 2007-2009 PetaLogix
5 * Copyright (C) 2006 Atmark Techno, Inc.
6 */
7
8#ifndef _ASM_MICROBLAZE_IO_H
9#define _ASM_MICROBLAZE_IO_H
10
11#include <asm/byteorder.h>
12#include <asm/page.h>
13#include <linux/types.h>
14#include <linux/mm.h>          /* Get struct page {...} */
15
16#ifndef CONFIG_PCI
17#define _IO_BASE	0
18#define _ISA_MEM_BASE	0
19#else
20#define _IO_BASE	isa_io_base
21#define _ISA_MEM_BASE	isa_mem_base
22struct pci_dev;
23extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
24#define pci_iounmap pci_iounmap
25
26extern unsigned long isa_io_base;
27extern resource_size_t isa_mem_base;
28#endif
29
30#define PCI_IOBASE	((void __iomem *)_IO_BASE)
31#define IO_SPACE_LIMIT (0xFFFFFFFF)
32
33extern void iounmap(volatile void __iomem *addr);
34
35extern void __iomem *ioremap(phys_addr_t address, unsigned long size);
36
37/* Big Endian */
38#define out_be32(a, v) __raw_writel((v), (void __iomem __force *)(a))
39#define out_be16(a, v) __raw_writew((v), (a))
40
41#define in_be32(a) __raw_readl((const void __iomem __force *)(a))
42#define in_be16(a) __raw_readw(a)
43
44#define writel_be(v, a)	out_be32((__force unsigned *)a, v)
45#define readl_be(a)	in_be32((__force unsigned *)a)
46
47/* Little endian */
48#define out_le32(a, v) __raw_writel(__cpu_to_le32(v), (a))
49#define out_le16(a, v) __raw_writew(__cpu_to_le16(v), (a))
50
51#define in_le32(a) __le32_to_cpu(__raw_readl(a))
52#define in_le16(a) __le16_to_cpu(__raw_readw(a))
53
54/* Byte ops */
55#define out_8(a, v) __raw_writeb((v), (a))
56#define in_8(a) __raw_readb(a)
57
58#include <asm-generic/io.h>
59
60#endif /* _ASM_MICROBLAZE_IO_H */
61