projects / mirror_ubuntu-kernels.git / blame
| Commit | Line | Data |
|---|---|---|
| 2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 58e0166a JB |
2 | /* |
| 3 | * OpenRISC Linux | |
| 4 | * | |
| 5 | * Linux architectural port borrowing liberally from similar works of | |
| 6 | * others. All original copyrights apply as per the original source | |
| 7 | * declaration. | |
| 8 | * | |
| 9 | * OpenRISC implementation: | |
| 10 | * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> | |
| 11 | * et al. | |
| 58e0166a JB |
12 | */ |
| 13 | ||
| 14 | #ifndef __ASM_OPENRISC_IO_H | |
| 15 | #define __ASM_OPENRISC_IO_H | |
| 16 | ||
| 17 | /* | |
| 18 | * PCI: can we really do 0 here if we have no port IO? | |
| 19 | */ | |
| 20 | #define IO_SPACE_LIMIT 0 | |
| 21 | ||
| 22 | /* OpenRISC has no port IO */ | |
| 23 | #define HAVE_ARCH_PIO_SIZE 1 | |
| 24 | #define PIO_RESERVED 0X0UL | |
| 25 | #define PIO_OFFSET 0 | |
| 26 | #define PIO_MASK 0 | |
| 27 | ||
| b934e8eb | 28 | #define ioremap_nocache ioremap_nocache |
| 58e0166a | 29 | #include <asm-generic/io.h> |
| 9b04ebd1 | 30 | #include <asm/pgtable.h> |
| 58e0166a JB |
31 | |
| 32 | extern void __iomem *__ioremap(phys_addr_t offset, unsigned long size, | |
| 33 | pgprot_t prot); | |
| 34 | ||
| b934e8eb | 35 | static inline void __iomem *ioremap(phys_addr_t offset, size_t size) |
| 58e0166a JB |
36 | { |
| 37 | return __ioremap(offset, size, PAGE_KERNEL); | |
| 38 | } | |
| 39 | ||
| 40 | /* #define _PAGE_CI 0x002 */ | |
| 41 | static inline void __iomem *ioremap_nocache(phys_addr_t offset, | |
| 42 | unsigned long size) | |
| 43 | { | |
| 44 | return __ioremap(offset, size, | |
| 45 | __pgprot(pgprot_val(PAGE_KERNEL) | _PAGE_CI)); | |
| 46 | } | |
| 47 | ||
| 48 | extern void iounmap(void *addr); | |
| 49 | #endif |