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Diffstat (limited to 'include/asm-m68k/io.h')
| -rw-r--r-- | include/asm-m68k/io.h | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/include/asm-m68k/io.h b/include/asm-m68k/io.h deleted file mode 100644 index 531f420..0000000 --- a/include/asm-m68k/io.h +++ /dev/null @@ -1,263 +0,0 @@ -/* - * IO header file - * - * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. - * TsiChung Liew (Tsi-Chung.Liew@freescale.com) - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef __ASM_M68K_IO_H__ -#define __ASM_M68K_IO_H__ - -#include <asm/byteorder.h> - -#ifndef _IO_BASE -#define _IO_BASE 0 -#endif - -#define __raw_readb(addr) (*(volatile u8 *)(addr)) -#define __raw_readw(addr) (*(volatile u16 *)(addr)) -#define __raw_readl(addr) (*(volatile u32 *)(addr)) - -#define __raw_writeb(b,addr) ((*(volatile u8 *) (addr)) = (b)) -#define __raw_writew(w,addr) ((*(volatile u16 *) (addr)) = (w)) -#define __raw_writel(l,addr) ((*(volatile u32 *) (addr)) = (l)) - -#define readb(addr) in_8((volatile u8 *)(addr)) -#define writeb(b,addr) out_8((volatile u8 *)(addr), (b)) -#if !defined(__BIG_ENDIAN) -#define readw(addr) (*(volatile u16 *) (addr)) -#define readl(addr) (*(volatile u32 *) (addr)) -#define writew(b,addr) ((*(volatile u16 *) (addr)) = (b)) -#define writel(b,addr) ((*(volatile u32 *) (addr)) = (b)) -#else -#define readw(addr) in_le16((volatile u16 *)(addr)) -#define readl(addr) in_le32((volatile u32 *)(addr)) -#define writew(b,addr) out_le16((volatile u16 *)(addr),(b)) -#define writel(b,addr) out_le32((volatile u32 *)(addr),(b)) -#endif - -/* - * The insw/outsw/insl/outsl macros don't do byte-swapping. - * They are only used in practice for transferring buffers which - * are arrays of bytes, and byte-swapping is not appropriate in - * that case. - paulus - */ -#define insb(port, buf, ns) _insb((u8 *)((port)+_IO_BASE), (buf), (ns)) -#define outsb(port, buf, ns) _outsb((u8 *)((port)+_IO_BASE), (buf), (ns)) -#define insw(port, buf, ns) _insw_ns((u16 *)((port)+_IO_BASE), (buf), (ns)) -#define outsw(port, buf, ns) _outsw_ns((u16 *)((port)+_IO_BASE), (buf), (ns)) -#define insl(port, buf, nl) _insl_ns((u32 *)((port)+_IO_BASE), (buf), (nl)) -#define outsl(port, buf, nl) _outsl_ns((u32 *)((port)+_IO_BASE), (buf), (nl)) - -#define inb(port) in_8((u8 *)((port)+_IO_BASE)) -#define outb(val, port) out_8((u8 *)((port)+_IO_BASE), (val)) -#if !defined(__BIG_ENDIAN) -#define inw(port) in_be16((u16 *)((port)+_IO_BASE)) -#define outw(val, port) out_be16((u16 *)((port)+_IO_BASE), (val)) -#define inl(port) in_be32((u32 *)((port)+_IO_BASE)) -#define outl(val, port) out_be32((u32 *)((port)+_IO_BASE), (val)) -#else -#define inw(port) in_le16((u16 *)((port)+_IO_BASE)) -#define outw(val, port) out_le16((u16 *)((port)+_IO_BASE), (val)) -#define inl(port) in_le32((u32 *)((port)+_IO_BASE)) -#define outl(val, port) out_le32((u32 *)((port)+_IO_BASE), (val)) -#endif - -extern inline void _insb(volatile u8 * port, void *buf, int ns) -{ - u8 *data = (u8 *) buf; - while (ns--) - *data++ = *port; -} - -extern inline void _outsb(volatile u8 * port, const void *buf, int ns) -{ - u8 *data = (u8 *) buf; - while (ns--) - *port = *data++; -} - -extern inline void _insw(volatile u16 * port, void *buf, int ns) -{ - u16 *data = (u16 *) buf; - while (ns--) - *data++ = __sw16(*port); -} - -extern inline void _outsw(volatile u16 * port, const void *buf, int ns) -{ - u16 *data = (u16 *) buf; - while (ns--) { - *port = __sw16(*data); - data++; - } -} - -extern inline void _insl(volatile u32 * port, void *buf, int nl) -{ - u32 *data = (u32 *) buf; - while (nl--) - *data++ = __sw32(*port); -} - -extern inline void _outsl(volatile u32 * port, const void *buf, int nl) -{ - u32 *data = (u32 *) buf; - while (nl--) { - *port = __sw32(*data); - data++; - } -} - -extern inline void _insw_ns(volatile u16 * port, void *buf, int ns) -{ - u16 *data = (u16 *) buf; - while (ns--) - *data++ = *port; -} - -extern inline void _outsw_ns(volatile u16 * port, const void *buf, int ns) -{ - u16 *data = (u16 *) buf; - while (ns--) { - *port = *data++; - } -} - -extern inline void _insl_ns(volatile u32 * port, void *buf, int nl) -{ - u32 *data = (u32 *) buf; - while (nl--) - *data++ = *port; -} - -extern inline void _outsl_ns(volatile u32 * port, const void *buf, int nl) -{ - u32 *data = (u32 *) buf; - while (nl--) { - *port = *data; - data++; - } -} - -/* - * The *_ns versions below don't do byte-swapping. - * Neither do the standard versions now, these are just here - * for older code. - */ -#define insw_ns(port, buf, ns) _insw_ns((u16 *)((port)+_IO_BASE), (buf), (ns)) -#define outsw_ns(port, buf, ns) _outsw_ns((u16 *)((port)+_IO_BASE), (buf), (ns)) -#define insl_ns(port, buf, nl) _insl_ns((u32 *)((port)+_IO_BASE), (buf), (nl)) -#define outsl_ns(port, buf, nl) _outsl_ns((u32 *)((port)+_IO_BASE), (buf), (nl)) - -#define IO_SPACE_LIMIT ~0 - -/* - * 8, 16 and 32 bit, big and little endian I/O operations, with barrier. - */ -extern inline int in_8(volatile u8 * addr) -{ - return (int)*addr; -} - -extern inline void out_8(volatile u8 * addr, int val) -{ - *addr = (u8) val; -} - -extern inline int in_le16(volatile u16 * addr) -{ - return __sw16(*addr); -} - -extern inline int in_be16(volatile u16 * addr) -{ - return (*addr & 0xFFFF); -} - -extern inline void out_le16(volatile u16 * addr, int val) -{ - *addr = __sw16(val); -} - -extern inline void out_be16(volatile u16 * addr, int val) -{ - *addr = (u16) val; -} - -extern inline unsigned in_le32(volatile u32 * addr) -{ - return __sw32(*addr); -} - -extern inline unsigned in_be32(volatile u32 * addr) -{ - return (*addr); -} - -extern inline void out_le32(volatile unsigned *addr, int val) -{ - *addr = __sw32(val); -} - -extern inline void out_be32(volatile unsigned *addr, int val) -{ - *addr = val; -} - -static inline void sync(void) -{ - /* This sync function is for PowerPC or other architecture instruction - * ColdFire does not have this instruction. Dummy function, added for - * compatibility (CFI driver) - */ -} - -/* - * Given a physical address and a length, return a virtual address - * that can be used to access the memory range with the caching - * properties specified by "flags". - */ -#define MAP_NOCACHE (0) -#define MAP_WRCOMBINE (0) -#define MAP_WRBACK (0) -#define MAP_WRTHROUGH (0) - -static inline void *map_physmem(phys_addr_t paddr, unsigned long len, - unsigned long flags) -{ - return (void *)paddr; -} - -/* - * Take down a mapping set up by map_physmem(). - */ -static inline void unmap_physmem(void *vaddr, unsigned long flags) -{ - -} - -static inline phys_addr_t virt_to_phys(void * vaddr) -{ - return (phys_addr_t)(vaddr); -} - -#endif /* __ASM_M68K_IO_H__ */ |