/* * arch/sh/boards/renesas/edosk7705/io.c * * Copyright (C) 2001  Ian da Silva, Jeremy Siegel * Based largely on io_se.c. * * I/O routines for Hitachi EDOSK7705 board. * */#include <linux/kernel.h>#include <linux/types.h>#include <asm/io.h>#include <asm/edosk7705/io.h>#include <asm/addrspace.h>#define SMC_IOADDR	0xA2000000#define maybebadio(name,port) \  printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \	 #name, (port), (__u32) __builtin_return_address(0))/* Map the Ethernet addresses as if it is at 0x300 - 0x320 */unsigned long sh_edosk7705_isa_port2addr(unsigned long port){     if (port >= 0x300 && port < 0x320) {	  /* SMC91C96 registers are 4 byte aligned rather than the	   * usual 2 byte!	   */	  return SMC_IOADDR + ( (port - 0x300) * 2);     }     maybebadio(sh_edosk7705_isa_port2addr, port);     return port;}/* Trying to read / write bytes on odd-byte boundaries to the Ethernet * registers causes problems. So we bit-shift the value and read / write * in 2 byte chunks. Setting the low byte to 0 does not cause problems * now as odd byte writes are only made on the bit mask / interrupt * register. This may not be the case in future Mar-2003 SJD */unsigned char sh_edosk7705_inb(unsigned long port){	if (port >= 0x300 && port < 0x320 && port & 0x01) {		return (volatile unsigned char)(generic_inw(port -1) >> 8);	}	return *(volatile unsigned char *)sh_edosk7705_isa_port2addr(port);}unsigned int sh_edosk7705_inl(unsigned long port){	return *(volatile unsigned long *)port;}void sh_edosk7705_outb(unsigned char value, unsigned long port){	if (port >= 0x300 && port < 0x320 && port & 0x01) {		generic_outw(((unsigned short)value << 8), port -1);		return;	}	*(volatile unsigned char *)sh_edosk7705_isa_port2addr(port) = value;}void sh_edosk7705_outl(unsigned int value, unsigned long port){	*(volatile unsigned long *)port = value;}void sh_edosk7705_insb(unsigned long port, void *addr, unsigned long count){	unsigned char *p = addr;	while (count--) *p++ = sh_edosk7705_inb(port);}void sh_edosk7705_insl(unsigned long port, void *addr, unsigned long count){	unsigned long *p = (unsigned long*)addr;	while (count--)		*p++ = *(volatile unsigned long *)port;}void sh_edosk7705_outsb(unsigned long port, const void *addr, unsigned long count){	unsigned char *p = (unsigned char*)addr;	while (count--) sh_edosk7705_outb(*p++, port);}void sh_edosk7705_outsl(unsigned long port, const void *addr, unsigned long count){	unsigned long *p = (unsigned long*)addr;	while (count--) sh_edosk7705_outl(*p++, port);}