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 #define page_to_bus(page)	(page_to_phys(page))
34 
35 extern void iounmap(volatile void __iomem *addr);
36 
37 extern void __iomem *ioremap(phys_addr_t address, unsigned long size);
38 
39 /* Big Endian */
40 #define out_be32(a, v) __raw_writel((v), (void __iomem __force *)(a))
41 #define out_be16(a, v) __raw_writew((v), (a))
42 
43 #define in_be32(a) __raw_readl((const void __iomem __force *)(a))
44 #define in_be16(a) __raw_readw(a)
45 
46 #define writel_be(v, a)	out_be32((__force unsigned *)a, v)
47 #define readl_be(a)	in_be32((__force unsigned *)a)
48 
49 /* Little endian */
50 #define out_le32(a, v) __raw_writel(__cpu_to_le32(v), (a))
51 #define out_le16(a, v) __raw_writew(__cpu_to_le16(v), (a))
52 
53 #define in_le32(a) __le32_to_cpu(__raw_readl(a))
54 #define in_le16(a) __le16_to_cpu(__raw_readw(a))
55 
56 /* Byte ops */
57 #define out_8(a, v) __raw_writeb((v), (a))
58 #define in_8(a) __raw_readb(a)
59 
60 #include <asm-generic/io.h>
61 
62 #endif /* _ASM_MICROBLAZE_IO_H */
63