#ifndef _ASM_CRIS_IO_H#define _ASM_CRIS_IO_H #include <asm/page.h>   /* for __va, __pa */#include <asm/arch/io.h>#include <linux/kernel.h> struct cris_io_operations{	u32 (*read_mem)(void *addr, int size);	void (*write_mem)(u32 val, int size, void *addr);	u32 (*read_io)(u32 port, void *addr, int size, int count);	void (*write_io)(u32 port, void *addr, int size, int count);}; #ifdef CONFIG_PCIextern struct cris_io_operations *cris_iops;#else#define cris_iops ((struct cris_io_operations*)NULL)#endif /* * Change virtual addresses to physical addresses and vv. */ static inline unsigned long virt_to_phys(volatile void * address){	return __pa(address);} static inline void * phys_to_virt(unsigned long address){	return __va(address);} extern void __iomem * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);extern void __iomem * __ioremap_prot(unsigned long phys_addr, unsigned long size, pgprot_t prot); static inline void __iomem * ioremap (unsigned long offset, unsigned long size){	return __ioremap(offset, size, 0);} extern void iounmap(volatile void * __iomem addr); extern void __iomem * ioremap_nocache(unsigned long offset, unsigned long size); /* * IO bus memory addresses are also 1:1 with the physical address */#define virt_to_bus virt_to_phys#define bus_to_virt phys_to_virt /* * readX/writeX() are used to access memory mapped devices. On some * architectures the memory mapped IO stuff needs to be accessed * differently. On the CRIS architecture, we just read/write the * memory location directly. */#ifdef CONFIG_PCI#define PCI_SPACE(x) ((((unsigned)(x)) & 0x10000000) == 0x10000000)#else#define PCI_SPACE(x) 0#endifstatic inline unsigned char readb(const volatile void __iomem *addr){	if (PCI_SPACE(addr) && cris_iops)		return cris_iops->read_mem((void*)addr, 1);	else		return *(volatile unsigned char __force *) addr;}static inline unsigned short readw(const volatile void __iomem *addr){	if (PCI_SPACE(addr) && cris_iops)		return cris_iops->read_mem((void*)addr, 2);	else		return *(volatile unsigned short __force *) addr;}static inline unsigned int readl(const volatile void __iomem *addr){	if (PCI_SPACE(addr) && cris_iops)		return cris_iops->read_mem((void*)addr, 4);	else		return *(volatile unsigned int __force *) addr;}#define readb_relaxed(addr) readb(addr)#define readw_relaxed(addr) readw(addr)#define readl_relaxed(addr) readl(addr)#define __raw_readb readb#define __raw_readw readw#define __raw_readl readl static inline void writeb(unsigned char b, volatile void __iomem *addr){	if (PCI_SPACE(addr) && cris_iops)		cris_iops->write_mem(b, 1, (void*)addr);	else		*(volatile unsigned char __force *) addr = b;}static inline void writew(unsigned short b, volatile void __iomem *addr){	if (PCI_SPACE(addr) && cris_iops)		cris_iops->write_mem(b, 2, (void*)addr);	else		*(volatile unsigned short __force *) addr = b;}static inline void writel(unsigned int b, volatile void __iomem *addr){	if (PCI_SPACE(addr) && cris_iops)		cris_iops->write_mem(b, 4, (void*)addr);	else		*(volatile unsigned int __force *) addr = b;}#define __raw_writeb writeb#define __raw_writew writew#define __raw_writel writel #define mmiowb() #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)) /* * Again, CRIS does not require mem IO specific function. */ #define eth_io_copy_and_sum(a,b,c,d)	eth_copy_and_sum((a),(void __force *)(b),(c),(d)) /* The following is junk needed for the arch-independent code but which * we never use in the CRIS port */ #define IO_SPACE_LIMIT 0xffff#define inb(port) (cris_iops ? cris_iops->read_io(port,NULL,1,1) : 0)#define inw(port) (cris_iops ? cris_iops->read_io(port,NULL,2,1) : 0)#define inl(port) (cris_iops ? cris_iops->read_io(port,NULL,4,1) : 0)#define insb(port,addr,count) (cris_iops ? cris_iops->read_io(port,addr,1,count) : 0)#define insw(port,addr,count) (cris_iops ? cris_iops->read_io(port,addr,2,count) : 0)#define insl(port,addr,count) (cris_iops ? cris_iops->read_io(port,addr,4,count) : 0)#define outb(data,port) if (cris_iops) cris_iops->write_io(port,(void*)(unsigned)data,1,1)#define outw(data,port) if (cris_iops) cris_iops->write_io(port,(void*)(unsigned)data,2,1)#define outl(data,port) if (cris_iops) cris_iops->write_io(port,(void*)(unsigned)data,4,1)#define outsb(port,addr,count) if(cris_iops) cris_iops->write_io(port,(void*)addr,1,count)#define outsw(port,addr,count) if(cris_iops) cris_iops->write_io(port,(void*)addr,2,count)#define outsl(port,addr,count) if(cris_iops) cris_iops->write_io(port,(void*)addr,3,count) /* * 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 #endif