79860a9a79
When the IDE fix for Jmicron went in one piece went walking somewhere (send log shows my end somehow). Without this sometimes you get an oops on boot. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
302 lines
8.8 KiB
C
302 lines
8.8 KiB
C
/*
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* linux/drivers/ide/pci/generic.c Version 0.11 December 30, 2002
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*
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* Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org>
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* Portions (C) Copyright 2002 Red Hat Inc <alan@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* For the avoidance of doubt the "preferred form" of this code is one which
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* is in an open non patent encumbered format. Where cryptographic key signing
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* forms part of the process of creating an executable the information
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* including keys needed to generate an equivalently functional executable
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* are deemed to be part of the source code.
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*/
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#undef REALLY_SLOW_IO /* most systems can safely undef this */
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#include <linux/config.h> /* for CONFIG_BLK_DEV_IDEPCI */
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/delay.h>
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#include <linux/timer.h>
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#include <linux/mm.h>
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#include <linux/ioport.h>
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#include <linux/blkdev.h>
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#include <linux/hdreg.h>
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#include <linux/pci.h>
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#include <linux/ide.h>
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#include <linux/init.h>
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#include <asm/io.h>
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static int ide_generic_all; /* Set to claim all devices */
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#ifndef MODULE
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static int __init ide_generic_all_on(char *unused)
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{
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ide_generic_all = 1;
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printk(KERN_INFO "IDE generic will claim all unknown PCI IDE storage controllers.\n");
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return 1;
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}
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__setup("all-generic-ide", ide_generic_all_on);
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#endif
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static void __devinit init_hwif_generic (ide_hwif_t *hwif)
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{
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switch(hwif->pci_dev->device) {
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case PCI_DEVICE_ID_UMC_UM8673F:
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case PCI_DEVICE_ID_UMC_UM8886A:
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case PCI_DEVICE_ID_UMC_UM8886BF:
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hwif->irq = hwif->channel ? 15 : 14;
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break;
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default:
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break;
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}
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if (!(hwif->dma_base))
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return;
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hwif->atapi_dma = 1;
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hwif->ultra_mask = 0x7f;
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hwif->mwdma_mask = 0x07;
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hwif->swdma_mask = 0x07;
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if (!noautodma)
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hwif->autodma = 1;
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hwif->drives[0].autodma = hwif->autodma;
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hwif->drives[1].autodma = hwif->autodma;
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}
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#if 0
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/* Logic to add back later on */
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if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
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ide_pci_device_t *unknown = unknown_chipset;
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init_setup_unknown(dev, unknown);
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return 1;
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}
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return 0;
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#endif
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static ide_pci_device_t generic_chipsets[] __devinitdata = {
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{ /* 0 */
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.name = "Unknown",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = AUTODMA,
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.bootable = ON_BOARD,
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},{ /* 1 */
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.name = "NS87410",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = AUTODMA,
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.enablebits = {{0x43,0x08,0x08}, {0x47,0x08,0x08}},
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.bootable = ON_BOARD,
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},{ /* 2 */
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.name = "SAMURAI",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = AUTODMA,
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.bootable = ON_BOARD,
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},{ /* 3 */
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.name = "HT6565",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = AUTODMA,
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.bootable = ON_BOARD,
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},{ /* 4 */
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.name = "UM8673F",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = NODMA,
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.bootable = ON_BOARD,
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},{ /* 5 */
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.name = "UM8886A",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = NODMA,
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.bootable = ON_BOARD,
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},{ /* 6 */
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.name = "UM8886BF",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = NODMA,
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.bootable = ON_BOARD,
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},{ /* 7 */
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.name = "HINT_IDE",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = AUTODMA,
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.bootable = ON_BOARD,
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},{ /* 8 */
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.name = "VIA_IDE",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = NOAUTODMA,
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.bootable = ON_BOARD,
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},{ /* 9 */
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.name = "OPTI621V",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = NOAUTODMA,
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.bootable = ON_BOARD,
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},{ /* 10 */
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.name = "VIA8237SATA",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = AUTODMA,
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.bootable = OFF_BOARD,
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},{ /* 11 */
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.name = "Piccolo0102",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = NOAUTODMA,
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.bootable = ON_BOARD,
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},{ /* 12 */
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.name = "Piccolo0103",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = NOAUTODMA,
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.bootable = ON_BOARD,
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},{ /* 13 */
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.name = "Piccolo0105",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = NOAUTODMA,
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.bootable = ON_BOARD,
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},{ /* 14 */
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.name = "Revolution",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = AUTODMA,
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.bootable = OFF_BOARD,
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},{ /* 15 */
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.name = "JMB361",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = AUTODMA,
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.bootable = OFF_BOARD,
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},{ /* 16 */
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.name = "JMB363",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = AUTODMA,
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.bootable = OFF_BOARD,
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},{ /* 17 */
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.name = "JMB365",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = AUTODMA,
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.bootable = OFF_BOARD,
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},{ /* 18 */
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.name = "JMB366",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = AUTODMA,
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.bootable = OFF_BOARD,
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},{ /* 19 */
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.name = "JMB368",
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.init_hwif = init_hwif_generic,
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.channels = 2,
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.autodma = AUTODMA,
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.bootable = OFF_BOARD,
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}
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};
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/**
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* generic_init_one - called when a PIIX is found
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* @dev: the generic device
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* @id: the matching pci id
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*
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* Called when the PCI registration layer (or the IDE initialization)
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* finds a device matching our IDE device tables.
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*/
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static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
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{
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ide_pci_device_t *d = &generic_chipsets[id->driver_data];
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u16 command;
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int ret = -ENODEV;
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/* Don't use the generic entry unless instructed to do so */
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if (id->driver_data == 0 && ide_generic_all == 0)
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goto out;
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if (dev->vendor == PCI_VENDOR_ID_UMC &&
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dev->device == PCI_DEVICE_ID_UMC_UM8886A &&
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(!(PCI_FUNC(dev->devfn) & 1)))
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goto out; /* UM8886A/BF pair */
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if (dev->vendor == PCI_VENDOR_ID_OPTI &&
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dev->device == PCI_DEVICE_ID_OPTI_82C558 &&
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(!(PCI_FUNC(dev->devfn) & 1)))
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goto out;
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if (dev->vendor == PCI_VENDOR_ID_JMICRON && PCI_FUNC(dev->devfn) != 1)
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goto out;
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pci_read_config_word(dev, PCI_COMMAND, &command);
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if (!(command & PCI_COMMAND_IO)) {
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printk(KERN_INFO "Skipping disabled %s IDE controller.\n", d->name);
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goto out;
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}
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ret = ide_setup_pci_device(dev, d);
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out:
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return ret;
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}
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static struct pci_device_id generic_pci_tbl[] = {
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{ PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_87410, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
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{ PCI_VENDOR_ID_PCTECH, PCI_DEVICE_ID_PCTECH_SAMURAI_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
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{ PCI_VENDOR_ID_HOLTEK, PCI_DEVICE_ID_HOLTEK_6565, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
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{ PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8673F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
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{ PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5},
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{ PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6},
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{ PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 7},
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{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8},
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{ PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 9},
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#ifdef CONFIG_BLK_DEV_IDE_SATA
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{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237_SATA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 10},
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#endif
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{ PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 11},
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{ PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12},
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{ PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 13},
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{ PCI_VENDOR_ID_NETCELL,PCI_DEVICE_ID_REVOLUTION, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 14},
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{ PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB361, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 15},
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{ PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB363, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 16},
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{ PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB365, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 17},
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{ PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB366, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 18},
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{ PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB368, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 19},
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/* Must come last. If you add entries adjust this table appropriately and the init_one code */
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{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0},
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{ 0, },
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};
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MODULE_DEVICE_TABLE(pci, generic_pci_tbl);
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static struct pci_driver driver = {
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.name = "PCI_IDE",
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.id_table = generic_pci_tbl,
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.probe = generic_init_one,
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};
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static int generic_ide_init(void)
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{
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return ide_pci_register_driver(&driver);
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}
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module_init(generic_ide_init);
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MODULE_AUTHOR("Andre Hedrick");
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MODULE_DESCRIPTION("PCI driver module for generic PCI IDE");
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MODULE_LICENSE("GPL");
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