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@@ -1,135 +0,0 @@
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-/*
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- * This file is subject to the terms and conditions of the GNU General Public
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- * License. See the file "COPYING" in the main directory of this archive
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- * for more details.
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- *
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- * Low level I/O functions for Jazz family machines.
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- *
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- * Copyright (C) 1997 by Ralf Baechle.
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- */
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-#include <linux/string.h>
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-#include <linux/spinlock.h>
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-#include <asm/addrspace.h>
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-#include <asm/system.h>
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-#include <asm/jazz.h>
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-
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-/*
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- * Map an 16mb segment of the EISA address space to 0xe3000000;
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- */
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-static inline void map_eisa_address(unsigned long address)
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-{
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- /* XXX */
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- /* We've got an wired entry in the TLB. We just need to modify it.
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- fast and clean. But since we want to get rid of wired entries
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- things are a little bit more complicated ... */
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-}
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-
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-static unsigned char jazz_readb(unsigned long addr)
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-{
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- unsigned char res;
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-
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- map_eisa_address(addr);
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- addr &= 0xffffff;
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- res = *(volatile unsigned char *) (JAZZ_EISA_BASE + addr);
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-
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- return res;
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-}
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-
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-static unsigned short jazz_readw(unsigned long addr)
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-{
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- unsigned short res;
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-
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- map_eisa_address(addr);
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- addr &= 0xffffff;
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- res = *(volatile unsigned char *) (JAZZ_EISA_BASE + addr);
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-
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- return res;
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-}
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-
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-static unsigned int jazz_readl(unsigned long addr)
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-{
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- unsigned int res;
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-
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- map_eisa_address(addr);
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- addr &= 0xffffff;
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- res = *(volatile unsigned char *) (JAZZ_EISA_BASE + addr);
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-
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- return res;
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-}
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-
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-static void jazz_writeb(unsigned char val, unsigned long addr)
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-{
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- map_eisa_address(addr);
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- addr &= 0xffffff;
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- *(volatile unsigned char *) (JAZZ_EISA_BASE + addr) = val;
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-}
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-
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-static void jazz_writew(unsigned short val, unsigned long addr)
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-{
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- map_eisa_address(addr);
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- addr &= 0xffffff;
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- *(volatile unsigned char *) (JAZZ_EISA_BASE + addr) = val;
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-}
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-
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-static void jazz_writel(unsigned int val, unsigned long addr)
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-{
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- map_eisa_address(addr);
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- addr &= 0xffffff;
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- *(volatile unsigned char *) (JAZZ_EISA_BASE + addr) = val;
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-}
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-
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-static void jazz_memset_io(unsigned long addr, int val, unsigned long len)
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-{
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- unsigned long waddr;
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-
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- waddr = JAZZ_EISA_BASE | (addr & 0xffffff);
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- while(len) {
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- unsigned long fraglen;
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-
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- fraglen = (~addr + 1) & 0xffffff;
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- fraglen = (fraglen < len) ? fraglen : len;
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- map_eisa_address(addr);
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- memset((char *)waddr, val, fraglen);
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- addr += fraglen;
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- waddr = waddr + fraglen - 0x1000000;
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- len -= fraglen;
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- }
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-}
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-
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-static void jazz_memcpy_fromio(unsigned long to, unsigned long from, unsigned long len)
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-{
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- unsigned long waddr;
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-
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- waddr = JAZZ_EISA_BASE | (from & 0xffffff);
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- while(len) {
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- unsigned long fraglen;
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-
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- fraglen = (~from + 1) & 0xffffff;
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- fraglen = (fraglen < len) ? fraglen : len;
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- map_eisa_address(from);
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- memcpy((void *)to, (void *)waddr, fraglen);
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- to += fraglen;
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- from += fraglen;
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- waddr = waddr + fraglen - 0x1000000;
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- len -= fraglen;
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- }
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-}
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-
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-static void jazz_memcpy_toio(unsigned long to, unsigned long from, unsigned long len)
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-{
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- unsigned long waddr;
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-
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- waddr = JAZZ_EISA_BASE | (to & 0xffffff);
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- while(len) {
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- unsigned long fraglen;
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-
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- fraglen = (~to + 1) & 0xffffff;
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- fraglen = (fraglen < len) ? fraglen : len;
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- map_eisa_address(to);
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- memcpy((char *)to + JAZZ_EISA_BASE, (void *)from, fraglen);
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- to += fraglen;
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- from += fraglen;
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- waddr = waddr + fraglen - 0x1000000;
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- len -= fraglen;
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- }
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-}
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