| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2007-2009 Michal Simek <monstr@monstr.eu> |
| 4 | * Copyright (C) 2007-2009 PetaLogix |
| 5 | * Copyright (C) 2006 Atmark Techno, Inc. |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 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 | #ifdef CONFIG_MMU |
| 34 | #define page_to_bus(page) (page_to_phys(page)) |
| 35 | |
| 36 | extern void iounmap(volatile void __iomem *addr); |
| 37 | |
| 38 | extern void __iomem *ioremap(phys_addr_t address, unsigned long size); |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 39 | |
| 40 | #endif /* CONFIG_MMU */ |
| 41 | |
| 42 | /* Big Endian */ |
| 43 | #define out_be32(a, v) __raw_writel((v), (void __iomem __force *)(a)) |
| 44 | #define out_be16(a, v) __raw_writew((v), (a)) |
| 45 | |
| 46 | #define in_be32(a) __raw_readl((const void __iomem __force *)(a)) |
| 47 | #define in_be16(a) __raw_readw(a) |
| 48 | |
| 49 | #define writel_be(v, a) out_be32((__force unsigned *)a, v) |
| 50 | #define readl_be(a) in_be32((__force unsigned *)a) |
| 51 | |
| 52 | /* Little endian */ |
| 53 | #define out_le32(a, v) __raw_writel(__cpu_to_le32(v), (a)) |
| 54 | #define out_le16(a, v) __raw_writew(__cpu_to_le16(v), (a)) |
| 55 | |
| 56 | #define in_le32(a) __le32_to_cpu(__raw_readl(a)) |
| 57 | #define in_le16(a) __le16_to_cpu(__raw_readw(a)) |
| 58 | |
| 59 | /* Byte ops */ |
| 60 | #define out_8(a, v) __raw_writeb((v), (a)) |
| 61 | #define in_8(a) __raw_readb(a) |
| 62 | |
| 63 | #include <asm-generic/io.h> |
| 64 | |
| 65 | #endif /* _ASM_MICROBLAZE_IO_H */ |