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
22 struct pci_dev;
23 extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
24 #define pci_iounmap pci_iounmap
25
26 extern unsigned long isa_io_base;
27 extern resource_size_t isa_mem_base;
28 #endif
29
30 #define PCI_IOBASE ((void __iomem *)_IO_BASE)
31 #define IO_SPACE_LIMIT (0xFFFFFFFF)
32
33 extern void iounmap(volatile void __iomem *addr);
34
35 extern 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
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