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