/* * Copyright (C) 2014 Altera Corporation * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch> * Copyright (C) 2004 Microtronix Datacom Ltd. * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ #ifndef _ASM_NIOS2_IO_H #define _ASM_NIOS2_IO_H #include <linux/types.h> #include <asm/pgtable-bits.h> /* PCI is not supported in nios2, set this to 0. */ #define IO_SPACE_LIMIT 0 #define readb_relaxed(addr) readb(addr) #define readw_relaxed(addr) readw(addr) #define readl_relaxed(addr) readl(addr) #define writeb_relaxed(x, addr) writeb(x, addr) #define writew_relaxed(x, addr) writew(x, addr) #define writel_relaxed(x, addr) writel(x, addr) extern void __iomem *__ioremap(unsigned long physaddr, unsigned long size, unsigned long cacheflag); extern void __iounmap(void __iomem *addr); static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size) { return __ioremap(physaddr, size, 0); } static inline void __iomem *ioremap_nocache(unsigned long physaddr, unsigned long size) { return __ioremap(physaddr, size, 0); } static inline void iounmap(void __iomem *addr) { __iounmap(addr); } #define ioremap_wc ioremap_nocache #define ioremap_wt ioremap_nocache /* Pages to physical address... */ #define page_to_phys(page) virt_to_phys(page_to_virt(page)) /* Macros used for converting between virtual and physical mappings. */ #define phys_to_virt(vaddr) \ ((void *)((unsigned long)(vaddr) | CONFIG_NIOS2_KERNEL_REGION_BASE)) /* Clear top 3 bits */ #define virt_to_phys(vaddr) \ ((unsigned long)((unsigned long)(vaddr) & ~0xE0000000)) #include <asm-generic/io.h> #endif /* _ASM_NIOS2_IO_H */
Name | Type | Size | Permission | Actions |
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Kbuild | File | 958 B | 0644 |
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asm-macros.h | File | 6.71 KB | 0644 |
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asm-offsets.h | File | 813 B | 0644 |
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cache.h | File | 1.14 KB | 0644 |
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cacheflush.h | File | 1.91 KB | 0644 |
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checksum.h | File | 2.03 KB | 0644 |
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cpuinfo.h | File | 1.42 KB | 0644 |
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delay.h | File | 547 B | 0644 |
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dma-mapping.h | File | 547 B | 0644 |
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elf.h | File | 3.2 KB | 0644 |
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entry.h | File | 2.6 KB | 0644 |
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io.h | File | 1.72 KB | 0644 |
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irq.h | File | 907 B | 0644 |
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irqflags.h | File | 1.75 KB | 0644 |
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kgdb.h | File | 1.88 KB | 0644 |
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linkage.h | File | 809 B | 0644 |
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mmu.h | File | 445 B | 0644 |
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mmu_context.h | File | 1.69 KB | 0644 |
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page.h | File | 3.08 KB | 0644 |
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pgalloc.h | File | 1.86 KB | 0644 |
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pgtable-bits.h | File | 1.05 KB | 0644 |
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pgtable.h | File | 7.99 KB | 0644 |
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processor.h | File | 2.18 KB | 0644 |
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ptrace.h | File | 2.29 KB | 0644 |
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registers.h | File | 2.15 KB | 0644 |
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setup.h | File | 1.04 KB | 0644 |
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shmparam.h | File | 804 B | 0644 |
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string.h | File | 618 B | 0644 |
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switch_to.h | File | 866 B | 0644 |
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syscall.h | File | 2.6 KB | 0644 |
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syscalls.h | File | 883 B | 0644 |
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thread_info.h | File | 3.37 KB | 0644 |
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timex.h | File | 912 B | 0644 |
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tlb.h | File | 963 B | 0644 |
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tlbflush.h | File | 1.56 KB | 0644 |
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traps.h | File | 514 B | 0644 |
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uaccess.h | File | 5.18 KB | 0644 |
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