diff options
Diffstat (limited to 'i386/i386at/gpl/linux/block/rz1000.c')
| -rw-r--r-- | i386/i386at/gpl/linux/block/rz1000.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/i386/i386at/gpl/linux/block/rz1000.c b/i386/i386at/gpl/linux/block/rz1000.c deleted file mode 100644 index 11f1dbd..0000000 --- a/i386/i386at/gpl/linux/block/rz1000.c +++ /dev/null @@ -1,56 +0,0 @@ -/* - * linux/drivers/block/rz1000.c Version 0.02 Feb 08, 1996 - * - * Copyright (C) 1995-1996 Linus Torvalds & author (see below) - */ - -/* - * Principal Author/Maintainer: mlord@bnr.ca (Mark Lord) - * - * This file provides support for disabling the buggy read-ahead - * mode of the RZ1000 IDE chipset, commonly used on Intel motherboards. - */ - -#undef REALLY_SLOW_IO /* most systems can safely undef this */ - -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/delay.h> -#include <linux/timer.h> -#include <linux/mm.h> -#include <linux/ioport.h> -#include <linux/blkdev.h> -#include <linux/hdreg.h> -#include <asm/io.h> -#include <linux/bios32.h> -#include <linux/pci.h> -#include "ide.h" - -static void ide_pci_access_error (int rc) -{ - printk("ide: pcibios access failed - %s\n", pcibios_strerror(rc)); -} - -void init_rz1000 (byte bus, byte fn) -{ - int rc; - unsigned short reg; - - printk("ide: buggy RZ1000 interface: "); - if ((rc = pcibios_read_config_word (bus, fn, PCI_COMMAND, ®))) { - ide_pci_access_error (rc); - } else if (!(reg & 1)) { - printk("not enabled\n"); - } else { - if ((rc = pcibios_read_config_word(bus, fn, 0x40, ®)) - || (rc = pcibios_write_config_word(bus, fn, 0x40, reg & 0xdfff))) - { - ide_hwifs[0].no_unmask = 1; - ide_hwifs[1].no_unmask = 1; - ide_hwifs[0].serialized = 1; - ide_pci_access_error (rc); - printk("serialized, disabled unmasking\n"); - } else - printk("disabled read-ahead\n"); - } -} |