192 lines
6.0 KiB
C
192 lines
6.0 KiB
C
/*
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* linux/include/asm-m68k/cf_io.h
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*
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* Copyright 2007-2009 Freescale Semiconductor, Inc. All Rights Reserved.
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* 9/30/08 JKM - Separated Coldfire pieces out from m68k.
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*/
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#ifndef __CF_IO__
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#define __CF_IO__
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#ifdef __KERNEL__
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#include <linux/compiler.h>
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#include <asm/raw_io.h>
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#include <asm/virtconvert.h>
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#include <asm-generic/iomap.h>
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/*
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* These should be valid on any ioremap()ed region
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*/
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#define readb(addr) in_8(addr)
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#define writeb(val,addr) out_8((addr),(val))
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#define readw(addr) in_le16(addr)
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#define writew(val,addr) out_le16((addr),(val))
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#define readl(addr) in_le32(addr)
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#define writel(val,addr) out_le32((addr),(val))
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#define readb_relaxed(addr) readb(addr)
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#define readw_relaxed(addr) readw(addr)
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#define readl_relaxed(addr) readl(addr)
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#ifdef CONFIG_PCI
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/*
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* IO space in Coldfire
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*/
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/*#define HAVE_ARCH_PIO_SIZE 1
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#define PIO_OFFSET 0x00000000UL
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#define PIO_RESERVED 0x100000000UL
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#define PIO_MASK (PIO_RESERVED - 1)
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*/
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#define inb_p inb
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#define inw_p inw
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#define inl_p inl
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#define outb_p outb
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#define outw_p outw
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#define outl_p outl
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#ifndef CONFIG_COLDFIRE
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#define inb(port) in_8(port)
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#define outb(val,port) out_8((port),(val))
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#define inw(port) in_le16(port)
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#define outw(val,port) out_le16((port),(val))
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#define inl(port) in_le32(port)
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#define outl(val,port) out_le32((port),(val))
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#define insb(port, buf, nr) \
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raw_insb((u8 *)(port), (u8 *)(buf), (nr))
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#define outsb(port, buf, nr) \
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raw_outsb((u8 *)(port), (u8 *)(buf), (nr))
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#define insw(port, buf, nr) \
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raw_insw_swapw((u16 *)(port), (u16 *)(buf), (nr))
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#define outsw(port, buf, nr) \
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raw_outsw_swapw((u16 *)(port), (u16 *)(buf), (nr))
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#define insl(port, buf, nr) \
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raw_insw_swapw((u16 *)(port), (u16 *)(buf), (nr)<<1)
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#define outsl(port, buf, nr) \
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raw_outsw_swapw((u16 *)(port), (u16 *)(buf), (nr)<<1)
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#else
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#define inb(port) pci_inb(port)
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#define outb(val, port) pci_outb((val), (port))
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#define inw(port) pci_inw(port)
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#define outw(val, port) pci_outw((val), (port))
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#define insb(a, b, c) \
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pci_insb((volatile unsigned char *)a, (unsigned char *)b, c)
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#define insw(a, b, c) \
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pci_insw((volatile unsigned short *)a, (const unsigned short *)b, c)
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#define insl(a, b, c) \
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pci_insl((volatile unsigned long *)a, (const unsigned long *)b, c)
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#define outsb(a, b, c) \
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pci_outsb((volatile unsigned char *)a, (const unsigned char *)b, c)
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#define outsw(a, b, c) \
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pci_outsw((volatile unsigned short *)a, (const unsigned short *)b, c)
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#define outsl(a, b, c) \
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pci_outsl((volatile unsigned long *)a, (const unsigned long *)b, c)
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#define inl(port) pci_inl(port)
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#define outl(val, port) pci_outl((val), (port))
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#endif
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#else
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/* no pci */
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#define inb(port) in_8(port)
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#define outb(val, port) out_8((port), (val))
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#define inw(port) in_le16(port)
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#define outw(val, port) out_le16((port), (val))
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#define inl(port) in_le32(port)
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#define outl(val, port) out_le32((port), (val))
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#define insb(port, buf, nr) \
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raw_insb((u8 *)(port), (u8 *)(buf), (nr))
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#define outsb(port, buf, nr) \
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raw_outsb((u8 *)(port), (u8 *)(buf), (nr))
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#define insw(port, buf, nr) \
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raw_insw_swapw((u16 *)(port), (u16 *)(buf), (nr))
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#define outsw(port, buf, nr) \
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raw_outsw_swapw((u16 *)(port), (u16 *)(buf), (nr))
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#define insl(port, buf, nr) \
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raw_insw_swapw((u16 *)(port), (u16 *)(buf), (nr)<<1)
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#define outsl(port, buf, nr) \
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raw_outsw_swapw((u16 *)(port), (u16 *)(buf), (nr)<<1)
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#endif /* CONFIG_PCI */
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#define mmiowb()
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static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size)
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{
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return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
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}
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static inline void __iomem *ioremap_nocache(unsigned long physaddr, unsigned long size)
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{
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return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
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}
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static inline void __iomem *ioremap_writethrough(unsigned long physaddr,
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unsigned long size)
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{
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return __ioremap(physaddr, size, IOMAP_WRITETHROUGH);
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}
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static inline void __iomem *ioremap_fullcache(unsigned long physaddr,
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unsigned long size)
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{
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return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
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}
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static inline void memset_io(volatile void __iomem *addr, unsigned char val, int count)
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{
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__builtin_memset((void __force *) addr, val, count);
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}
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static inline void memcpy_fromio(void *dst, const volatile void __iomem *src, int count)
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{
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__builtin_memcpy(dst, (void __force *) src, count);
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}
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static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int count)
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{
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__builtin_memcpy((void __force *) dst, src, count);
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}
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#define IO_SPACE_LIMIT 0xffffffff
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#endif /* __KERNEL__ */
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#define __ARCH_HAS_NO_PAGE_ZERO_MAPPED 1
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/*
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* Convert a physical pointer to a virtual kernel pointer for /dev/mem
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* access
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*/
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#define xlate_dev_mem_ptr(p) __va(p)
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/*
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* Convert a virtual cached pointer to an uncached pointer
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*/
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#define xlate_dev_kmem_ptr(p) p
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#define __raw_readb(addr) \
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({ unsigned char __v = (*(volatile unsigned char *) (addr)); __v; })
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#define __raw_readw(addr) \
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({ unsigned short __v = (*(volatile unsigned short *) (addr)); __v; })
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#define __raw_readl(addr) \
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({ unsigned long __v = (*(volatile unsigned long *) (addr)); __v; })
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#define __raw_writeb(b,addr) (void)((*(volatile unsigned char *) (addr)) = (b))
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#define __raw_writew(b,addr) (void)((*(volatile unsigned short *) (addr)) = (b))
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#define __raw_writel(b,addr) (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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#if !defined(readb)
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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) (void)((*(volatile unsigned char *) (addr)) = (b))
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#define writew(b, addr) (void)((*(volatile unsigned short *) (addr)) = (b))
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#define writel(b, addr) (void)((*(volatile unsigned int *) (addr)) = (b))
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#endif /* readb */
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#endif /* _IO_H */
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