158 lines
4.0 KiB
C
158 lines
4.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* include/asm-microblaze/io.h -- Misc I/O operations
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*
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* Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au>
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* Copyright (C) 2001,02 NEC Corporation
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* Copyright (C) 2001,02 Miles Bader <miles@gnu.org>
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*
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* This file is subject to the terms and conditions of the GNU General
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* Public License. See the file COPYING in the main directory of this
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* archive for more details.
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*
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* Written by Miles Bader <miles@gnu.org>
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* Microblaze port by John Williams
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*/
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#ifndef __MICROBLAZE_IO_H__
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#define __MICROBLAZE_IO_H__
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#include <asm/types.h>
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#define IO_SPACE_LIMIT 0xFFFFFFFF
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#define readb(addr) \
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({ unsigned char __v = (*(volatile unsigned char *)(addr)); __v; })
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#define readw(addr) \
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({ unsigned short __v = (*(volatile unsigned short *)(addr)); __v; })
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#define readl(addr) \
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({ unsigned int __v = (*(volatile unsigned int *)(addr)); __v; })
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#define writeb(b, addr) \
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(void)((*(volatile unsigned char *)(addr)) = (b))
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#define writew(b, addr) \
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(void)((*(volatile unsigned short *)(addr)) = (b))
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#define writel(b, addr) \
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(void)((*(volatile unsigned int *)(addr)) = (b))
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#define memset_io(a, b, c) memset((void *)(a), (b), (c))
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#define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c))
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#define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c))
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#define inb(addr) readb(addr)
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#define inw(addr) readw(addr)
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#define inl(addr) readl(addr)
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#define outb(x, addr) ((void)writeb(x, addr))
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#define outw(x, addr) ((void)writew(x, addr))
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#define outl(x, addr) ((void)writel(x, addr))
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#define out_arch(type, endian, addr, x) \
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__raw_write##type(cpu_to_##endian(x), addr)
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#define in_arch(type, endian, addr) \
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endian##_to_cpu(__raw_read##type(addr))
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#define out_le16(addr, x) out_arch(w, le16, addr, x)
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#define out_le32(addr, x) out_arch(l, le32, addr, x)
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#define in_le16(addr) in_arch(w, le16, addr)
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#define in_le32(addr) in_arch(l, le32, addr)
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#define in_8(addr) readb(addr)
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#define in_be16(addr) in_arch(w, be16, addr)
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#define in_be32(addr) in_arch(l, be32, addr)
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#define out_8(addr, x) outb(x, addr)
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#define out_be16(addr, x) out_arch(w, be16, addr, x)
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#define out_be32(addr, x) out_arch(l, be32, addr, x)
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#define inb_p(port) inb((port))
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#define outb_p(val, port) outb((val), (port))
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#define inw_p(port) inw((port))
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#define outw_p(val, port) outw((val), (port))
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#define inl_p(port) inl((port))
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#define outl_p(val, port) outl((val), (port))
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/* Some defines to keep the MTD flash drivers happy */
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#define __raw_readb readb
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#define __raw_readw readw
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#define __raw_readl readl
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#define __raw_writeb writeb
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#define __raw_writew writew
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#define __raw_writel writel
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static inline void io_insb(unsigned long port, void *dst, unsigned long count)
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{
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unsigned char *p = dst;
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while (count--)
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*p++ = inb(port);
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}
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static inline void io_insw(unsigned long port, void *dst, unsigned long count)
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{
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unsigned short *p = dst;
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while (count--)
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*p++ = inw(port);
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}
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static inline void io_insl(unsigned long port, void *dst, unsigned long count)
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{
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unsigned long *p = dst;
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while (count--)
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*p++ = inl(port);
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}
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static inline void
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io_outsb(unsigned long port, const void *src, unsigned long count)
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{
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const unsigned char *p = src;
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while (count--)
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outb(*p++, port);
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}
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static inline void
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io_outsw(unsigned long port, const void *src, unsigned long count)
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{
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const unsigned short *p = src;
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while (count--)
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outw(*p++, port);
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}
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static inline void
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io_outsl(unsigned long port, const void *src, unsigned long count)
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{
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const unsigned long *p = src;
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while (count--)
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outl(*p++, port);
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}
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#define outsb(a, b, l) io_outsb(a, b, l)
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#define outsw(a, b, l) io_outsw(a, b, l)
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#define outsl(a, b, l) io_outsl(a, b, l)
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#define insb(a, b, l) io_insb(a, b, l)
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#define insw(a, b, l) io_insw(a, b, l)
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#define insl(a, b, l) io_insl(a, b, l)
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#define ioremap_nocache(physaddr, size) (physaddr)
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#define ioremap_writethrough(physaddr, size) (physaddr)
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#define ioremap_fullcache(physaddr, size) (physaddr)
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static inline void sync(void)
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{
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}
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#include <asm-generic/io.h>
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#endif /* __MICROBLAZE_IO_H__ */
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