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