[MIPS] Jazz: Remove unused arch/mips/jazz/io.c

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/jazz/io.c

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Low level I/O functions for Jazz family machines.
- *
- * Copyright (C) 1997 by Ralf Baechle.
- */
-#include <linux/string.h>
-#include <linux/spinlock.h>
-#include <asm/addrspace.h>
-#include <asm/system.h>
-#include <asm/jazz.h>
-
-/*
- * Map an 16mb segment of the EISA address space to 0xe3000000;
- */
-static inline void map_eisa_address(unsigned long address)
-{
-  /* XXX */
-  /* We've got an wired entry in the TLB.  We just need to modify it.
-     fast and clean.  But since we want to get rid of wired entries
-     things are a little bit more complicated ... */
-}
-
-static unsigned char jazz_readb(unsigned long addr)
-{
-	unsigned char res;
-
-	map_eisa_address(addr);
-	addr &= 0xffffff;
-	res = *(volatile unsigned char *) (JAZZ_EISA_BASE + addr);
-
-	return res;
-}
-
-static unsigned short jazz_readw(unsigned long addr)
-{
-	unsigned short res;
-
-	map_eisa_address(addr);
-	addr &= 0xffffff;
-	res = *(volatile unsigned char *) (JAZZ_EISA_BASE + addr);
-
-	return res;
-}
-
-static unsigned int jazz_readl(unsigned long addr)
-{
-	unsigned int res;
-
-	map_eisa_address(addr);
-	addr &= 0xffffff;
-	res = *(volatile unsigned char *) (JAZZ_EISA_BASE + addr);
-
-	return res;
-}
-
-static void jazz_writeb(unsigned char val, unsigned long addr)
-{
-	map_eisa_address(addr);
-	addr &= 0xffffff;
-	*(volatile unsigned char *) (JAZZ_EISA_BASE + addr) = val;
-}
-
-static void jazz_writew(unsigned short val, unsigned long addr)
-{
-	map_eisa_address(addr);
-	addr &= 0xffffff;
-	*(volatile unsigned char *) (JAZZ_EISA_BASE + addr) = val;
-}
-
-static void jazz_writel(unsigned int val, unsigned long addr)
-{
-	map_eisa_address(addr);
-	addr &= 0xffffff;
-	*(volatile unsigned char *) (JAZZ_EISA_BASE + addr) = val;
-}
-
-static void jazz_memset_io(unsigned long addr, int val, unsigned long len)
-{
-	unsigned long waddr;
-
-	waddr = JAZZ_EISA_BASE | (addr & 0xffffff);
-	while(len) {
-		unsigned long fraglen;
-
-		fraglen = (~addr + 1) & 0xffffff;
-		fraglen = (fraglen < len) ? fraglen : len;
-		map_eisa_address(addr);
-		memset((char *)waddr, val, fraglen);
-		addr += fraglen;
-		waddr = waddr + fraglen - 0x1000000;
-		len -= fraglen;
-	}
-}
-
-static void jazz_memcpy_fromio(unsigned long to, unsigned long from, unsigned long len)
-{
-	unsigned long waddr;
-
-	waddr = JAZZ_EISA_BASE | (from & 0xffffff);
-	while(len) {
-		unsigned long fraglen;
-
-		fraglen = (~from + 1) & 0xffffff;
-		fraglen = (fraglen < len) ? fraglen : len;
-		map_eisa_address(from);
-		memcpy((void *)to, (void *)waddr, fraglen);
-		to += fraglen;
-		from += fraglen;
-		waddr = waddr + fraglen - 0x1000000;
-		len -= fraglen;
-	}
-}
-
-static void jazz_memcpy_toio(unsigned long to, unsigned long from, unsigned long len)
-{
-	unsigned long waddr;
-
-	waddr = JAZZ_EISA_BASE | (to & 0xffffff);
-	while(len) {
-		unsigned long fraglen;
-
-		fraglen = (~to + 1) & 0xffffff;
-		fraglen = (fraglen < len) ? fraglen : len;
-		map_eisa_address(to);
-		memcpy((char *)to + JAZZ_EISA_BASE, (void *)from, fraglen);
-		to += fraglen;
-		from += fraglen;
-		waddr = waddr + fraglen - 0x1000000;
-		len -= fraglen;
-	}
-}