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SubjectATA100 patch source code:
it's final version, but why it's not work ?
diff -urN linux-2.4.1-p8-pristine/Documentation/Configure.help linux-2.4.1-p8/Documentation/Configure.help
--- linux-2.4.1-p8-pristine/Documentation/Configure.help Thu Jan 18 01:20:48 2001
+++ linux-2.4.1-p8/Documentation/Configure.help Thu Jan 18 02:42:37 2001
@@ -673,6 +673,25 @@

If in doubt, say N.

+PnP BIOS DMA Forced Enabled
+CONFIG_BLK_DEV_IDEDMA_FORCED
+ If you say Y here, and your DMA original Triton I/II, VIA, ALI
+ fail to setup the DMA address space and it used to work in 2.0.34
+ with the Jumbo Patch series or works in 2.0.39, then you should
+ consider enabling this option.
+
+ If in doubt, say N.
+
+Attempt to HACK around Chipsets that TIMEOUT (EXPERIMENTAL)
+CONFIG_BLK_DEV_IDEDMA_TIMEOUT
+ If you say Y here, this is a NASTY UGLY HACK!
+
+ We have to issue an abort and requeue the request DMA engine got
+ turned off by a goofy ASIC, and we have to clean up the mess, and
+ here is as good as any. Do it globally for all chipsets.
+
+ If in doubt, say N.
+
Boot off-board chipsets first support
CONFIG_BLK_DEV_OFFBOARD
Normally, IDE controllers built into the motherboard (on-board
@@ -780,18 +799,18 @@

SAY NO!

-AMD7409 chipset support
-CONFIG_BLK_DEV_AMD7409
- This driver ensures (U)DMA support for the AMD756 Viper chipset.
+AMD74XX chipset support
+CONFIG_BLK_DEV_AMD74XX
+ This driver ensures (U)DMA support for the AMD756/765 Viper chipset.

If you say Y here, you also need to say Y to "Use DMA by default
when available", above.
- Please read the comments at the top of drivers/ide/amd7409.c
+ Please read the comments at the top of drivers/ide/amd74xx.c

If unsure, say N.

AMD Viper ATA-66 Override support (WIP)
-CONFIG_AMD7409_OVERRIDE
+CONFIG_AMD74XX_OVERRIDE
This option auto-forces the ata66 flag.
This effect can be also invoked by calling "idex=ata66"
If unsure, say N.
diff -urN linux-2.4.1-p8-pristine/drivers/ide/Config.in linux-2.4.1-p8/drivers/ide/Config.in
--- linux-2.4.1-p8-pristine/drivers/ide/Config.in Fri Dec 29 14:07:22 2000
+++ linux-2.4.1-p8/drivers/ide/Config.in Thu Jan 18 02:42:37 2001
@@ -45,15 +45,18 @@
bool ' Generic PCI bus-master DMA support' CONFIG_BLK_DEV_IDEDMA_PCI
bool ' Boot off-board chipsets first support' CONFIG_BLK_DEV_OFFBOARD
dep_bool ' Use PCI DMA by default when available' CONFIG_IDEDMA_PCI_AUTO $CONFIG_BLK_DEV_IDEDMA_PCI
+ dep_bool ' PnP BIOS DMA Forced Enabled' CONFIG_BLK_DEV_IDEDMA_FORCED $CONFIG_BLK_DEV_IDEDMA_PCI
define_bool CONFIG_BLK_DEV_IDEDMA $CONFIG_BLK_DEV_IDEDMA_PCI
dep_bool ' ATA Work(s) In Progress (EXPERIMENTAL)' CONFIG_IDEDMA_PCI_WIP $CONFIG_BLK_DEV_IDEDMA_PCI $CONFIG_EXPERIMENTAL
dep_bool ' Good-Bad DMA Model-Firmware (WIP)' CONFIG_IDEDMA_NEW_DRIVE_LISTINGS $CONFIG_IDEDMA_PCI_WIP
+ dep_bool ' Attempt to HACK around Chipsets that TIMEOUT (WIP)' CONFIG_BLK_DEV_IDEDMA_TIMEOUT $CONFIG_IDEDMA_PCI_WIP
+
dep_bool ' AEC62XX chipset support' CONFIG_BLK_DEV_AEC62XX $CONFIG_BLK_DEV_IDEDMA_PCI
dep_mbool ' AEC62XX Tuning support' CONFIG_AEC62XX_TUNING $CONFIG_BLK_DEV_AEC62XX
dep_bool ' ALI M15x3 chipset support' CONFIG_BLK_DEV_ALI15X3 $CONFIG_BLK_DEV_IDEDMA_PCI
dep_mbool ' ALI M15x3 WDC support (DANGEROUS)' CONFIG_WDC_ALI15X3 $CONFIG_BLK_DEV_ALI15X3
- dep_bool ' AMD Viper support' CONFIG_BLK_DEV_AMD7409 $CONFIG_BLK_DEV_IDEDMA_PCI
- dep_mbool ' AMD Viper ATA-66 Override (WIP)' CONFIG_AMD7409_OVERRIDE $CONFIG_BLK_DEV_AMD7409 $CONFIG_IDEDMA_PCI_WIP
+ dep_bool ' AMD Viper support' CONFIG_BLK_DEV_AMD74XX $CONFIG_BLK_DEV_IDEDMA_PCI
+ dep_mbool ' AMD Viper ATA-66 Override (WIP)' CONFIG_AMD74XX_OVERRIDE $CONFIG_BLK_DEV_AMD74XX $CONFIG_IDEDMA_PCI_WIP
dep_bool ' CMD64X chipset support' CONFIG_BLK_DEV_CMD64X $CONFIG_BLK_DEV_IDEDMA_PCI
dep_bool ' CY82C693 chipset support' CONFIG_BLK_DEV_CY82C693 $CONFIG_BLK_DEV_IDEDMA_PCI
dep_bool ' Cyrix CS5530 MediaGX chipset support' CONFIG_BLK_DEV_CS5530 $CONFIG_BLK_DEV_IDEDMA_PCI
@@ -147,7 +150,7 @@
if [ "$CONFIG_IDE_CHIPSETS" = "y" -o \
"$CONFIG_BLK_DEV_AEC62XX" = "y" -o \
"$CONFIG_BLK_DEV_ALI15X3" = "y" -o \
- "$CONFIG_BLK_DEV_AMD7409" = "y" -o \
+ "$CONFIG_BLK_DEV_AMD74XX" = "y" -o \
"$CONFIG_BLK_DEV_CMD640" = "y" -o \
"$CONFIG_BLK_DEV_CMD64X" = "y" -o \
"$CONFIG_BLK_DEV_CS5530" = "y" -o \
diff -urN linux-2.4.1-p8-pristine/drivers/ide/Makefile linux-2.4.1-p8/drivers/ide/Makefile
--- linux-2.4.1-p8-pristine/drivers/ide/Makefile Fri Dec 29 14:07:22 2000
+++ linux-2.4.1-p8/drivers/ide/Makefile Thu Jan 18 02:42:37 2001
@@ -28,7 +28,7 @@
ide-obj-$(CONFIG_BLK_DEV_AEC62XX) += aec62xx.o
ide-obj-$(CONFIG_BLK_DEV_ALI14XX) += ali14xx.o
ide-obj-$(CONFIG_BLK_DEV_ALI15X3) += alim15x3.o
-ide-obj-$(CONFIG_BLK_DEV_AMD7409) += amd7409.o
+ide-obj-$(CONFIG_BLK_DEV_AMD74XX) += amd74xx.o
ide-obj-$(CONFIG_BLK_DEV_BUDDHA) += buddha.o
ide-obj-$(CONFIG_BLK_DEV_CMD640) += cmd640.o
ide-obj-$(CONFIG_BLK_DEV_CMD64X) += cmd64x.o
diff -urN linux-2.4.1-p8-pristine/drivers/ide/amd7409.c linux-2.4.1-p8/drivers/ide/amd7409.c
--- linux-2.4.1-p8-pristine/drivers/ide/amd7409.c Tue Nov 7 11:02:24 2000
+++ linux-2.4.1-p8/drivers/ide/amd7409.c Wed Dec 31 16:00:00 1969
@@ -1,470 +0,0 @@
-/*
- * linux/drivers/ide/amd7409.c Version 0.05 June 9, 2000
- *
- * Copyright (C) 1999-2000 Andre Hedrick <andre@linux-ide.org>
- * May be copied or modified under the terms of the GNU General Public License
- *
- */
-
-#include <linux/config.h>
-#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 <linux/interrupt.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/ide.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-
-#include "ide_modes.h"
-
-#define DISPLAY_VIPER_TIMINGS
-
-#if defined(DISPLAY_VIPER_TIMINGS) && defined(CONFIG_PROC_FS)
-#include <linux/stat.h>
-#include <linux/proc_fs.h>
-
-static int amd7409_get_info(char *, char **, off_t, int);
-extern int (*amd7409_display_info)(char *, char **, off_t, int); /* ide-proc.c */
-extern char *ide_media_verbose(ide_drive_t *);
-static struct pci_dev *bmide_dev;
-
-static int amd7409_get_info (char *buffer, char **addr, off_t offset, int count)
-{
- char *p = buffer;
- u32 bibma = pci_resource_start(bmide_dev, 4);
- u8 c0 = 0, c1 = 0;
-
- /*
- * at that point bibma+0x2 et bibma+0xa are byte registers
- * to investigate:
- */
- c0 = inb_p((unsigned short)bibma + 0x02);
- c1 = inb_p((unsigned short)bibma + 0x0a);
-
- p += sprintf(p, "\n AMD 7409 VIPER Chipset.\n");
- p += sprintf(p, "--------------- Primary Channel ---------------- Secondary Channel -------------\n");
- p += sprintf(p, " %sabled %sabled\n",
- (c0&0x80) ? "dis" : " en",
- (c1&0x80) ? "dis" : " en");
- p += sprintf(p, "--------------- drive0 --------- drive1 -------- drive0 ---------- drive1 ------\n");
- p += sprintf(p, "DMA enabled: %s %s %s %s\n",
- (c0&0x20) ? "yes" : "no ", (c0&0x40) ? "yes" : "no ",
- (c1&0x20) ? "yes" : "no ", (c1&0x40) ? "yes" : "no " );
- p += sprintf(p, "UDMA\n");
- p += sprintf(p, "DMA\n");
- p += sprintf(p, "PIO\n");
-
- return p-buffer; /* => must be less than 4k! */
-}
-#endif /* defined(DISPLAY_VIPER_TIMINGS) && defined(CONFIG_PROC_FS) */
-
-byte amd7409_proc = 0;
-
-extern char *ide_xfer_verbose (byte xfer_rate);
-
-static unsigned int amd7409_swdma_check (struct pci_dev *dev)
-{
- unsigned int class_rev;
- pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
- class_rev &= 0xff;
- return ((int) (class_rev >= 7) ? 1 : 0);
-}
-
-static int amd7409_swdma_error(ide_drive_t *drive)
-{
- printk("%s: single-word DMA not support (revision < C4)\n", drive->name);
- return 0;
-}
-
-/*
- * Here is where all the hard work goes to program the chipset.
- *
- */
-static int amd7409_tune_chipset (ide_drive_t *drive, byte speed)
-{
- ide_hwif_t *hwif = HWIF(drive);
- struct pci_dev *dev = hwif->pci_dev;
- int err = 0;
- byte unit = (drive->select.b.unit & 0x01);
-#ifdef CONFIG_BLK_DEV_IDEDMA
- unsigned long dma_base = hwif->dma_base;
-#endif /* CONFIG_BLK_DEV_IDEDMA */
- byte drive_pci = 0x00;
- byte drive_pci2 = 0x00;
- byte ultra_timing = 0x00;
- byte dma_pio_timing = 0x00;
- byte pio_timing = 0x00;
-
- switch (drive->dn) {
- case 0: drive_pci = 0x53; drive_pci2 = 0x4b; break;
- case 1: drive_pci = 0x52; drive_pci2 = 0x4a; break;
- case 2: drive_pci = 0x51; drive_pci2 = 0x49; break;
- case 3: drive_pci = 0x50; drive_pci2 = 0x48; break;
- default:
- return -1;
- }
-
- pci_read_config_byte(dev, drive_pci, &ultra_timing);
- pci_read_config_byte(dev, drive_pci2, &dma_pio_timing);
- pci_read_config_byte(dev, 0x4c, &pio_timing);
-
-#ifdef DEBUG
- printk("%s: UDMA 0x%02x DMAPIO 0x%02x PIO 0x%02x ",
- drive->name, ultra_timing, dma_pio_timing, pio_timing);
-#endif
-
- ultra_timing &= ~0xC7;
- dma_pio_timing &= ~0xFF;
- pio_timing &= ~(0x03 << drive->dn);
-
-#ifdef DEBUG
- printk(":: UDMA 0x%02x DMAPIO 0x%02x PIO 0x%02x ",
- ultra_timing, dma_pio_timing, pio_timing);
-#endif
-
- switch(speed) {
-#ifdef CONFIG_BLK_DEV_IDEDMA
- case XFER_UDMA_4:
- ultra_timing |= 0x45;
- dma_pio_timing |= 0x20;
- break;
- case XFER_UDMA_3:
- ultra_timing |= 0x44;
- dma_pio_timing |= 0x20;
- break;
- case XFER_UDMA_2:
- ultra_timing |= 0x40;
- dma_pio_timing |= 0x20;
- break;
- case XFER_UDMA_1:
- ultra_timing |= 0x41;
- dma_pio_timing |= 0x20;
- break;
- case XFER_UDMA_0:
- ultra_timing |= 0x42;
- dma_pio_timing |= 0x20;
- break;
- case XFER_MW_DMA_2:
- dma_pio_timing |= 0x20;
- break;
- case XFER_MW_DMA_1:
- dma_pio_timing |= 0x21;
- break;
- case XFER_MW_DMA_0:
- dma_pio_timing |= 0x77;
- break;
- case XFER_SW_DMA_2:
- if (!amd7409_swdma_check(dev))
- return amd7409_swdma_error(drive);
- dma_pio_timing |= 0x42;
- break;
- case XFER_SW_DMA_1:
- if (!amd7409_swdma_check(dev))
- return amd7409_swdma_error(drive);
- dma_pio_timing |= 0x65;
- break;
- case XFER_SW_DMA_0:
- if (!amd7409_swdma_check(dev))
- return amd7409_swdma_error(drive);
- dma_pio_timing |= 0xA8;
- break;
-#endif /* CONFIG_BLK_DEV_IDEDMA */
- case XFER_PIO_4:
- dma_pio_timing |= 0x20;
- break;
- case XFER_PIO_3:
- dma_pio_timing |= 0x22;
- break;
- case XFER_PIO_2:
- dma_pio_timing |= 0x42;
- break;
- case XFER_PIO_1:
- dma_pio_timing |= 0x65;
- break;
- case XFER_PIO_0:
- default:
- dma_pio_timing |= 0xA8;
- break;
- }
-
- pio_timing |= (0x03 << drive->dn);
-
- if (!drive->init_speed)
- drive->init_speed = speed;
-
-#ifdef CONFIG_BLK_DEV_IDEDMA
- pci_write_config_byte(dev, drive_pci, ultra_timing);
-#endif /* CONFIG_BLK_DEV_IDEDMA */
- pci_write_config_byte(dev, drive_pci2, dma_pio_timing);
- pci_write_config_byte(dev, 0x4c, pio_timing);
-
-#ifdef DEBUG
- printk(":: UDMA 0x%02x DMAPIO 0x%02x PIO 0x%02x\n",
- ultra_timing, dma_pio_timing, pio_timing);
-#endif
-
-#ifdef CONFIG_BLK_DEV_IDEDMA
- if (speed > XFER_PIO_4) {
- outb(inb(dma_base+2)|(1<<(5+unit)), dma_base+2);
- } else {
- outb(inb(dma_base+2) & ~(1<<(5+unit)), dma_base+2);
- }
-#endif /* CONFIG_BLK_DEV_IDEDMA */
-
- err = ide_config_drive_speed(drive, speed);
- drive->current_speed = speed;
- return (err);
-}
-
-static void config_chipset_for_pio (ide_drive_t *drive)
-{
- unsigned short eide_pio_timing[6] = {960, 480, 240, 180, 120, 90};
- unsigned short xfer_pio = drive->id->eide_pio_modes;
- byte timing, speed, pio;
-
- pio = ide_get_best_pio_mode(drive, 255, 5, NULL);
-
- if (xfer_pio> 4)
- xfer_pio = 0;
-
- if (drive->id->eide_pio_iordy > 0) {
- for (xfer_pio = 5;
- xfer_pio>0 &&
- drive->id->eide_pio_iordy>eide_pio_timing[xfer_pio];
- xfer_pio--);
- } else {
- xfer_pio = (drive->id->eide_pio_modes & 4) ? 0x05 :
- (drive->id->eide_pio_modes & 2) ? 0x04 :
- (drive->id->eide_pio_modes & 1) ? 0x03 :
- (drive->id->tPIO & 2) ? 0x02 :
- (drive->id->tPIO & 1) ? 0x01 : xfer_pio;
- }
-
- timing = (xfer_pio >= pio) ? xfer_pio : pio;
-
- switch(timing) {
- case 4: speed = XFER_PIO_4;break;
- case 3: speed = XFER_PIO_3;break;
- case 2: speed = XFER_PIO_2;break;
- case 1: speed = XFER_PIO_1;break;
- default:
- speed = (!drive->id->tPIO) ? XFER_PIO_0 : XFER_PIO_SLOW;
- break;
- }
- (void) amd7409_tune_chipset(drive, speed);
- drive->current_speed = speed;
-}
-
-static void amd7409_tune_drive (ide_drive_t *drive, byte pio)
-{
- byte speed;
- switch(pio) {
- case 4: speed = XFER_PIO_4;break;
- case 3: speed = XFER_PIO_3;break;
- case 2: speed = XFER_PIO_2;break;
- case 1: speed = XFER_PIO_1;break;
- default: speed = XFER_PIO_0;break;
- }
- (void) amd7409_tune_chipset(drive, speed);
-}
-
-#ifdef CONFIG_BLK_DEV_IDEDMA
-/*
- * This allows the configuration of ide_pci chipset registers
- * for cards that learn about the drive's UDMA, DMA, PIO capabilities
- * after the drive is reported by the OS.
- */
-static int config_chipset_for_dma (ide_drive_t *drive)
-{
- struct hd_driveid *id = drive->id;
- byte udma_66 = eighty_ninty_three(drive);
- byte udma_100 = 0;
- byte speed = 0x00;
- int rval;
-
- if ((id->dma_ultra & 0x0020) && (udma_66)&& (udma_100)) {
- speed = XFER_UDMA_5;
- } else if ((id->dma_ultra & 0x0010) && (udma_66)) {
- speed = XFER_UDMA_4;
- } else if ((id->dma_ultra & 0x0008) && (udma_66)) {
- speed = XFER_UDMA_3;
- } else if (id->dma_ultra & 0x0004) {
- speed = XFER_UDMA_2;
- } else if (id->dma_ultra & 0x0002) {
- speed = XFER_UDMA_1;
- } else if (id->dma_ultra & 0x0001) {
- speed = XFER_UDMA_0;
- } else if (id->dma_mword & 0x0004) {
- speed = XFER_MW_DMA_2;
- } else if (id->dma_mword & 0x0002) {
- speed = XFER_MW_DMA_1;
- } else if (id->dma_mword & 0x0001) {
- speed = XFER_MW_DMA_0;
- } else {
- return ((int) ide_dma_off_quietly);
- }
-
- (void) amd7409_tune_chipset(drive, speed);
-
- rval = (int)( ((id->dma_ultra >> 11) & 3) ? ide_dma_on :
- ((id->dma_ultra >> 8) & 7) ? ide_dma_on :
- ((id->dma_mword >> 8) & 7) ? ide_dma_on :
- ide_dma_off_quietly);
-
- return rval;
-}
-
-
-
-static int config_drive_xfer_rate (ide_drive_t *drive)
-{
- struct hd_driveid *id = drive->id;
- ide_dma_action_t dma_func = ide_dma_on;
-
- if (id && (id->capability & 1) && HWIF(drive)->autodma) {
- /* Consult the list of known "bad" drives */
- if (ide_dmaproc(ide_dma_bad_drive, drive)) {
- dma_func = ide_dma_off;
- goto fast_ata_pio;
- }
- dma_func = ide_dma_off_quietly;
- if (id->field_valid & 4) {
- if (id->dma_ultra & 0x002F) {
- /* Force if Capable UltraDMA */
- dma_func = config_chipset_for_dma(drive);
- if ((id->field_valid & 2) &&
- (dma_func != ide_dma_on))
- goto try_dma_modes;
- }
- } else if (id->field_valid & 2) {
-try_dma_modes:
- if ((id->dma_mword & 0x0007) ||
- ((id->dma_1word & 0x007) &&
- (amd7409_swdma_check(HWIF(drive)->pci_dev)))) {
- /* Force if Capable regular DMA modes */
- dma_func = config_chipset_for_dma(drive);
- if (dma_func != ide_dma_on)
- goto no_dma_set;
- }
-
- } else if (ide_dmaproc(ide_dma_good_drive, drive)) {
- if (id->eide_dma_time > 150) {
- goto no_dma_set;
- }
- /* Consult the list of known "good" drives */
- dma_func = config_chipset_for_dma(drive);
- if (dma_func != ide_dma_on)
- goto no_dma_set;
- } else {
- goto fast_ata_pio;
- }
- } else if ((id->capability & 8) || (id->field_valid & 2)) {
-fast_ata_pio:
- dma_func = ide_dma_off_quietly;
-no_dma_set:
-
- config_chipset_for_pio(drive);
- }
- return HWIF(drive)->dmaproc(dma_func, drive);
-}
-
-/*
- * amd7409_dmaproc() initiates/aborts (U)DMA read/write operations on a drive.
- */
-
-int amd7409_dmaproc (ide_dma_action_t func, ide_drive_t *drive)
-{
- switch (func) {
- case ide_dma_check:
- return config_drive_xfer_rate(drive);
- default:
- break;
- }
- return ide_dmaproc(func, drive); /* use standard DMA stuff */
-}
-#endif /* CONFIG_BLK_DEV_IDEDMA */
-
-unsigned int __init pci_init_amd7409 (struct pci_dev *dev, const char *name)
-{
- unsigned long fixdma_base = pci_resource_start(dev, 4);
-
-#ifdef CONFIG_BLK_DEV_IDEDMA
- if (!amd7409_swdma_check(dev))
- printk("%s: disabling single-word DMA support (revision < C4)\n", name);
-#endif /* CONFIG_BLK_DEV_IDEDMA */
-
- if (!fixdma_base) {
- /*
- *
- */
- } else {
- /*
- * enable DMA capable bit, and "not" simplex only
- */
- outb(inb(fixdma_base+2) & 0x60, fixdma_base+2);
-
- if (inb(fixdma_base+2) & 0x80)
- printk("%s: simplex device: DMA will fail!!\n", name);
- }
-#if defined(DISPLAY_VIPER_TIMINGS) && defined(CONFIG_PROC_FS)
- if (!amd7409_proc) {
- amd7409_proc = 1;
- bmide_dev = dev;
- amd7409_display_info = &amd7409_get_info;
- }
-#endif /* DISPLAY_VIPER_TIMINGS && CONFIG_PROC_FS */
-
- return 0;
-}
-
-unsigned int __init ata66_amd7409 (ide_hwif_t *hwif)
-{
-#ifdef CONFIG_AMD7409_OVERRIDE
- byte ata66 = 1;
-#else
- byte ata66 = 0;
-#endif /* CONFIG_AMD7409_OVERRIDE */
-
-#if 0
- pci_read_config_byte(hwif->pci_dev, 0x48, &ata66);
- return ((ata66 & 0x02) ? 0 : 1);
-#endif
- return ata66;
-}
-
-void __init ide_init_amd7409 (ide_hwif_t *hwif)
-{
- hwif->tuneproc = &amd7409_tune_drive;
- hwif->speedproc = &amd7409_tune_chipset;
-
-#ifndef CONFIG_BLK_DEV_IDEDMA
- hwif->drives[0].autotune = 1;
- hwif->drives[1].autotune = 1;
- hwif->autodma = 0;
- return;
-#else
-
- if (hwif->dma_base) {
- hwif->dmaproc = &amd7409_dmaproc;
- hwif->autodma = 1;
- } else {
- hwif->autodma = 0;
- hwif->drives[0].autotune = 1;
- hwif->drives[1].autotune = 1;
- }
-#endif /* CONFIG_BLK_DEV_IDEDMA */
-}
-
-void __init ide_dmacapable_amd7409 (ide_hwif_t *hwif, unsigned long dmabase)
-{
- ide_setup_dma(hwif, dmabase, 8);
-}
diff -urN linux-2.4.1-p8-pristine/drivers/ide/amd74xx.c linux-2.4.1-p8/drivers/ide/amd74xx.c
--- linux-2.4.1-p8-pristine/drivers/ide/amd74xx.c Wed Dec 31 16:00:00 1969
+++ linux-2.4.1-p8/drivers/ide/amd74xx.c Thu Jan 18 02:42:37 2001
@@ -0,0 +1,478 @@
+/*
+ * linux/drivers/ide/amd74xx.c Version 0.05 June 9, 2000
+ *
+ * Copyright (C) 1999-2000 Andre Hedrick <andre@linux-ide.org>
+ * May be copied or modified under the terms of the GNU General Public License
+ *
+ */
+
+#include <linux/config.h>
+#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 <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/ide.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+
+#include "ide_modes.h"
+
+#define DISPLAY_VIPER_TIMINGS
+
+#if defined(DISPLAY_VIPER_TIMINGS) && defined(CONFIG_PROC_FS)
+#include <linux/stat.h>
+#include <linux/proc_fs.h>
+
+static int amd74xx_get_info(char *, char **, off_t, int);
+extern int (*amd74xx_display_info)(char *, char **, off_t, int); /* ide-proc.c */
+extern char *ide_media_verbose(ide_drive_t *);
+static struct pci_dev *bmide_dev;
+
+static int amd74xx_get_info (char *buffer, char **addr, off_t offset, int count)
+{
+ char *p = buffer;
+ u32 bibma = pci_resource_start(bmide_dev, 4);
+ u8 c0 = 0, c1 = 0;
+
+ /*
+ * at that point bibma+0x2 et bibma+0xa are byte registers
+ * to investigate:
+ */
+ c0 = inb_p((unsigned short)bibma + 0x02);
+ c1 = inb_p((unsigned short)bibma + 0x0a);
+
+ p += sprintf(p, "\n AMD %04X VIPER Chipset.\n", bmide_dev->device);
+ p += sprintf(p, "--------------- Primary Channel ---------------- Secondary Channel -------------\n");
+ p += sprintf(p, " %sabled %sabled\n",
+ (c0&0x80) ? "dis" : " en",
+ (c1&0x80) ? "dis" : " en");
+ p += sprintf(p, "--------------- drive0 --------- drive1 -------- drive0 ---------- drive1 ------\n");
+ p += sprintf(p, "DMA enabled: %s %s %s %s\n",
+ (c0&0x20) ? "yes" : "no ", (c0&0x40) ? "yes" : "no ",
+ (c1&0x20) ? "yes" : "no ", (c1&0x40) ? "yes" : "no " );
+ p += sprintf(p, "UDMA\n");
+ p += sprintf(p, "DMA\n");
+ p += sprintf(p, "PIO\n");
+
+ return p-buffer; /* => must be less than 4k! */
+}
+#endif /* defined(DISPLAY_VIPER_TIMINGS) && defined(CONFIG_PROC_FS) */
+
+byte amd74xx_proc = 0;
+
+extern char *ide_xfer_verbose (byte xfer_rate);
+
+static unsigned int amd74xx_swdma_check (struct pci_dev *dev)
+{
+ unsigned int class_rev;
+
+ if (dev->device == PCI_DEVICE_ID_AMD_VIPER_7411)
+ return 0;
+
+ pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
+ class_rev &= 0xff;
+ return ((int) (class_rev >= 7) ? 1 : 0);
+}
+
+static int amd74xx_swdma_error(ide_drive_t *drive)
+{
+ printk("%s: single-word DMA not support (revision < C4)\n", drive->name);
+ return 0;
+}
+
+/*
+ * Here is where all the hard work goes to program the chipset.
+ *
+ */
+static int amd74xx_tune_chipset (ide_drive_t *drive, byte speed)
+{
+ ide_hwif_t *hwif = HWIF(drive);
+ struct pci_dev *dev = hwif->pci_dev;
+ int err = 0;
+ byte unit = (drive->select.b.unit & 0x01);
+#ifdef CONFIG_BLK_DEV_IDEDMA
+ unsigned long dma_base = hwif->dma_base;
+#endif /* CONFIG_BLK_DEV_IDEDMA */
+ byte drive_pci = 0x00;
+ byte drive_pci2 = 0x00;
+ byte ultra_timing = 0x00;
+ byte dma_pio_timing = 0x00;
+ byte pio_timing = 0x00;
+
+ switch (drive->dn) {
+ case 0: drive_pci = 0x53; drive_pci2 = 0x4b; break;
+ case 1: drive_pci = 0x52; drive_pci2 = 0x4a; break;
+ case 2: drive_pci = 0x51; drive_pci2 = 0x49; break;
+ case 3: drive_pci = 0x50; drive_pci2 = 0x48; break;
+ default:
+ return -1;
+ }
+
+ pci_read_config_byte(dev, drive_pci, &ultra_timing);
+ pci_read_config_byte(dev, drive_pci2, &dma_pio_timing);
+ pci_read_config_byte(dev, 0x4c, &pio_timing);
+
+#ifdef DEBUG
+ printk("%s: UDMA 0x%02x DMAPIO 0x%02x PIO 0x%02x ",
+ drive->name, ultra_timing, dma_pio_timing, pio_timing);
+#endif
+
+ ultra_timing &= ~0xC7;
+ dma_pio_timing &= ~0xFF;
+ pio_timing &= ~(0x03 << drive->dn);
+
+#ifdef DEBUG
+ printk(":: UDMA 0x%02x DMAPIO 0x%02x PIO 0x%02x ",
+ ultra_timing, dma_pio_timing, pio_timing);
+#endif
+
+ switch(speed) {
+#ifdef CONFIG_BLK_DEV_IDEDMA
+ case XFER_UDMA_5:
+ ultra_timing |= 0x46;
+ dma_pio_timing |= 0x20;
+ break;
+ case XFER_UDMA_4:
+ ultra_timing |= 0x45;
+ dma_pio_timing |= 0x20;
+ break;
+ case XFER_UDMA_3:
+ ultra_timing |= 0x44;
+ dma_pio_timing |= 0x20;
+ break;
+ case XFER_UDMA_2:
+ ultra_timing |= 0x40;
+ dma_pio_timing |= 0x20;
+ break;
+ case XFER_UDMA_1:
+ ultra_timing |= 0x41;
+ dma_pio_timing |= 0x20;
+ break;
+ case XFER_UDMA_0:
+ ultra_timing |= 0x42;
+ dma_pio_timing |= 0x20;
+ break;
+ case XFER_MW_DMA_2:
+ dma_pio_timing |= 0x20;
+ break;
+ case XFER_MW_DMA_1:
+ dma_pio_timing |= 0x21;
+ break;
+ case XFER_MW_DMA_0:
+ dma_pio_timing |= 0x77;
+ break;
+ case XFER_SW_DMA_2:
+ if (!amd74xx_swdma_check(dev))
+ return amd74xx_swdma_error(drive);
+ dma_pio_timing |= 0x42;
+ break;
+ case XFER_SW_DMA_1:
+ if (!amd74xx_swdma_check(dev))
+ return amd74xx_swdma_error(drive);
+ dma_pio_timing |= 0x65;
+ break;
+ case XFER_SW_DMA_0:
+ if (!amd74xx_swdma_check(dev))
+ return amd74xx_swdma_error(drive);
+ dma_pio_timing |= 0xA8;
+ break;
+#endif /* CONFIG_BLK_DEV_IDEDMA */
+ case XFER_PIO_4:
+ dma_pio_timing |= 0x20;
+ break;
+ case XFER_PIO_3:
+ dma_pio_timing |= 0x22;
+ break;
+ case XFER_PIO_2:
+ dma_pio_timing |= 0x42;
+ break;
+ case XFER_PIO_1:
+ dma_pio_timing |= 0x65;
+ break;
+ case XFER_PIO_0:
+ default:
+ dma_pio_timing |= 0xA8;
+ break;
+ }
+
+ pio_timing |= (0x03 << drive->dn);
+
+ if (!drive->init_speed)
+ drive->init_speed = speed;
+
+#ifdef CONFIG_BLK_DEV_IDEDMA
+ pci_write_config_byte(dev, drive_pci, ultra_timing);
+#endif /* CONFIG_BLK_DEV_IDEDMA */
+ pci_write_config_byte(dev, drive_pci2, dma_pio_timing);
+ pci_write_config_byte(dev, 0x4c, pio_timing);
+
+#ifdef DEBUG
+ printk(":: UDMA 0x%02x DMAPIO 0x%02x PIO 0x%02x\n",
+ ultra_timing, dma_pio_timing, pio_timing);
+#endif
+
+#ifdef CONFIG_BLK_DEV_IDEDMA
+ if (speed > XFER_PIO_4) {
+ outb(inb(dma_base+2)|(1<<(5+unit)), dma_base+2);
+ } else {
+ outb(inb(dma_base+2) & ~(1<<(5+unit)), dma_base+2);
+ }
+#endif /* CONFIG_BLK_DEV_IDEDMA */
+
+ err = ide_config_drive_speed(drive, speed);
+ drive->current_speed = speed;
+ return (err);
+}
+
+static void config_chipset_for_pio (ide_drive_t *drive)
+{
+ unsigned short eide_pio_timing[6] = {960, 480, 240, 180, 120, 90};
+ unsigned short xfer_pio = drive->id->eide_pio_modes;
+ byte timing, speed, pio;
+
+ pio = ide_get_best_pio_mode(drive, 255, 5, NULL);
+
+ if (xfer_pio> 4)
+ xfer_pio = 0;
+
+ if (drive->id->eide_pio_iordy > 0) {
+ for (xfer_pio = 5;
+ xfer_pio>0 &&
+ drive->id->eide_pio_iordy>eide_pio_timing[xfer_pio];
+ xfer_pio--);
+ } else {
+ xfer_pio = (drive->id->eide_pio_modes & 4) ? 0x05 :
+ (drive->id->eide_pio_modes & 2) ? 0x04 :
+ (drive->id->eide_pio_modes & 1) ? 0x03 :
+ (drive->id->tPIO & 2) ? 0x02 :
+ (drive->id->tPIO & 1) ? 0x01 : xfer_pio;
+ }
+
+ timing = (xfer_pio >= pio) ? xfer_pio : pio;
+
+ switch(timing) {
+ case 4: speed = XFER_PIO_4;break;
+ case 3: speed = XFER_PIO_3;break;
+ case 2: speed = XFER_PIO_2;break;
+ case 1: speed = XFER_PIO_1;break;
+ default:
+ speed = (!drive->id->tPIO) ? XFER_PIO_0 : XFER_PIO_SLOW;
+ break;
+ }
+ (void) amd74xx_tune_chipset(drive, speed);
+ drive->current_speed = speed;
+}
+
+static void amd74xx_tune_drive (ide_drive_t *drive, byte pio)
+{
+ byte speed;
+ switch(pio) {
+ case 4: speed = XFER_PIO_4;break;
+ case 3: speed = XFER_PIO_3;break;
+ case 2: speed = XFER_PIO_2;break;
+ case 1: speed = XFER_PIO_1;break;
+ default: speed = XFER_PIO_0;break;
+ }
+ (void) amd74xx_tune_chipset(drive, speed);
+}
+
+#ifdef CONFIG_BLK_DEV_IDEDMA
+/*
+ * This allows the configuration of ide_pci chipset registers
+ * for cards that learn about the drive's UDMA, DMA, PIO capabilities
+ * after the drive is reported by the OS.
+ */
+static int config_chipset_for_dma (ide_drive_t *drive)
+{
+ ide_hwif_t *hwif = HWIF(drive);
+ struct pci_dev *dev = hwif->pci_dev;
+ struct hd_driveid *id = drive->id;
+ byte udma_66 = eighty_ninty_three(drive);
+ byte udma_100 = (dev->device==PCI_DEVICE_ID_AMD_VIPER_7411) ? 1 : 0;
+ byte speed = 0x00;
+ int rval;
+
+ if ((id->dma_ultra & 0x0020) && (udma_66)&& (udma_100)) {
+ speed = XFER_UDMA_5;
+ } else if ((id->dma_ultra & 0x0010) && (udma_66)) {
+ speed = XFER_UDMA_4;
+ } else if ((id->dma_ultra & 0x0008) && (udma_66)) {
+ speed = XFER_UDMA_3;
+ } else if (id->dma_ultra & 0x0004) {
+ speed = XFER_UDMA_2;
+ } else if (id->dma_ultra & 0x0002) {
+ speed = XFER_UDMA_1;
+ } else if (id->dma_ultra & 0x0001) {
+ speed = XFER_UDMA_0;
+ } else if (id->dma_mword & 0x0004) {
+ speed = XFER_MW_DMA_2;
+ } else if (id->dma_mword & 0x0002) {
+ speed = XFER_MW_DMA_1;
+ } else if (id->dma_mword & 0x0001) {
+ speed = XFER_MW_DMA_0;
+ } else {
+ return ((int) ide_dma_off_quietly);
+ }
+
+ (void) amd74xx_tune_chipset(drive, speed);
+
+ rval = (int)( ((id->dma_ultra >> 11) & 3) ? ide_dma_on :
+ ((id->dma_ultra >> 8) & 7) ? ide_dma_on :
+ ((id->dma_mword >> 8) & 7) ? ide_dma_on :
+ ide_dma_off_quietly);
+
+ return rval;
+}
+
+static int config_drive_xfer_rate (ide_drive_t *drive)
+{
+ struct hd_driveid *id = drive->id;
+ ide_dma_action_t dma_func = ide_dma_on;
+
+ if (id && (id->capability & 1) && HWIF(drive)->autodma) {
+ /* Consult the list of known "bad" drives */
+ if (ide_dmaproc(ide_dma_bad_drive, drive)) {
+ dma_func = ide_dma_off;
+ goto fast_ata_pio;
+ }
+ dma_func = ide_dma_off_quietly;
+ if (id->field_valid & 4) {
+ if (id->dma_ultra & 0x002F) {
+ /* Force if Capable UltraDMA */
+ dma_func = config_chipset_for_dma(drive);
+ if ((id->field_valid & 2) &&
+ (dma_func != ide_dma_on))
+ goto try_dma_modes;
+ }
+ } else if (id->field_valid & 2) {
+try_dma_modes:
+ if ((id->dma_mword & 0x0007) ||
+ ((id->dma_1word & 0x007) &&
+ (amd74xx_swdma_check(HWIF(drive)->pci_dev)))) {
+ /* Force if Capable regular DMA modes */
+ dma_func = config_chipset_for_dma(drive);
+ if (dma_func != ide_dma_on)
+ goto no_dma_set;
+ }
+
+ } else if (ide_dmaproc(ide_dma_good_drive, drive)) {
+ if (id->eide_dma_time > 150) {
+ goto no_dma_set;
+ }
+ /* Consult the list of known "good" drives */
+ dma_func = config_chipset_for_dma(drive);
+ if (dma_func != ide_dma_on)
+ goto no_dma_set;
+ } else {
+ goto fast_ata_pio;
+ }
+ } else if ((id->capability & 8) || (id->field_valid & 2)) {
+fast_ata_pio:
+ dma_func = ide_dma_off_quietly;
+no_dma_set:
+
+ config_chipset_for_pio(drive);
+ }
+ return HWIF(drive)->dmaproc(dma_func, drive);
+}
+
+/*
+ * amd74xx_dmaproc() initiates/aborts (U)DMA read/write operations on a drive.
+ */
+
+int amd74xx_dmaproc (ide_dma_action_t func, ide_drive_t *drive)
+{
+ switch (func) {
+ case ide_dma_check:
+ return config_drive_xfer_rate(drive);
+ default:
+ break;
+ }
+ return ide_dmaproc(func, drive); /* use standard DMA stuff */
+}
+#endif /* CONFIG_BLK_DEV_IDEDMA */
+
+unsigned int __init pci_init_amd74xx (struct pci_dev *dev, const char *name)
+{
+ unsigned long fixdma_base = pci_resource_start(dev, 4);
+
+#ifdef CONFIG_BLK_DEV_IDEDMA
+ if (!amd74xx_swdma_check(dev))
+ printk("%s: disabling single-word DMA support (revision < C4)\n", name);
+#endif /* CONFIG_BLK_DEV_IDEDMA */
+
+ if (!fixdma_base) {
+ /*
+ *
+ */
+ } else {
+ /*
+ * enable DMA capable bit, and "not" simplex only
+ */
+ outb(inb(fixdma_base+2) & 0x60, fixdma_base+2);
+
+ if (inb(fixdma_base+2) & 0x80)
+ printk("%s: simplex device: DMA will fail!!\n", name);
+ }
+#if defined(DISPLAY_VIPER_TIMINGS) && defined(CONFIG_PROC_FS)
+ if (!amd74xx_proc) {
+ amd74xx_proc = 1;
+ bmide_dev = dev;
+ amd74xx_display_info = &amd74xx_get_info;
+ }
+#endif /* DISPLAY_VIPER_TIMINGS && CONFIG_PROC_FS */
+
+ return 0;
+}
+
+unsigned int __init ata66_amd74xx (ide_hwif_t *hwif)
+{
+#ifdef CONFIG_AMD74XX_OVERRIDE
+ byte ata66 = 1;
+#else
+ byte ata66 = 0;
+#endif /* CONFIG_AMD74XX_OVERRIDE */
+
+#if 0
+ pci_read_config_byte(hwif->pci_dev, 0x48, &ata66);
+ return ((ata66 & 0x02) ? 0 : 1);
+#endif
+ return ata66;
+}
+
+void __init ide_init_amd74xx (ide_hwif_t *hwif)
+{
+ hwif->tuneproc = &amd74xx_tune_drive;
+ hwif->speedproc = &amd74xx_tune_chipset;
+
+#ifndef CONFIG_BLK_DEV_IDEDMA
+ hwif->drives[0].autotune = 1;
+ hwif->drives[1].autotune = 1;
+ hwif->autodma = 0;
+ return;
+#else
+
+ if (hwif->dma_base) {
+ hwif->dmaproc = &amd74xx_dmaproc;
+ hwif->autodma = 1;
+ } else {
+ hwif->autodma = 0;
+ hwif->drives[0].autotune = 1;
+ hwif->drives[1].autotune = 1;
+ }
+#endif /* CONFIG_BLK_DEV_IDEDMA */
+}
+
+void __init ide_dmacapable_amd74xx (ide_hwif_t *hwif, unsigned long dmabase)
+{
+ ide_setup_dma(hwif, dmabase, 8);
+}
diff -urN linux-2.4.1-p8-pristine/drivers/ide/hpt366.c linux-2.4.1-p8/drivers/ide/hpt366.c
--- linux-2.4.1-p8-pristine/drivers/ide/hpt366.c Tue Jan 2 16:58:45 2001
+++ linux-2.4.1-p8/drivers/ide/hpt366.c Thu Jan 18 02:42:37 2001
@@ -55,6 +55,9 @@
};

const char *bad_ata66_4[] = {
+ "IBM-DTLA-307075",
+ "IBM-DTLA-307045",
+ "IBM-DTLA-307030",
"WDC AC310200R",
NULL
};
diff -urN linux-2.4.1-p8-pristine/drivers/ide/ide-dma.c linux-2.4.1-p8/drivers/ide/ide-dma.c
--- linux-2.4.1-p8-pristine/drivers/ide/ide-dma.c Thu Jan 18 01:20:48 2001
+++ linux-2.4.1-p8/drivers/ide/ide-dma.c Thu Jan 18 02:42:40 2001
@@ -90,7 +90,16 @@
#include <asm/io.h>
#include <asm/irq.h>

-#undef CONFIG_BLK_DEV_IDEDMA_TIMEOUT
+/*
+ * Long lost data from 2.0.34 that is now in 2.0.39
+ *
+ * This was used in ./drivers/block/triton.c to do DMA Base address setup
+ * when PnP failed. Oh the things we forget. I believe this was part
+ * of SFF-8038i that has been withdrawn from public access... :-((
+ */
+#define DEFAULT_BMIBA 0xe800 /* in case BIOS did not init it */
+#define DEFAULT_BMCRBA 0xcc00 /* VIA's default value */
+#define DEFAULT_BMALIBA 0xd400 /* ALI's default value */

extern char *ide_dmafunc_verbose(ide_dma_action_t dmafunc);

@@ -426,6 +435,7 @@
return hwif->dmaproc(ide_dma_off_quietly, drive);
}

+#ifndef CONFIG_BLK_DEV_IDEDMA_TIMEOUT
/*
* 1 dmaing, 2 error, 4 intr
*/
@@ -449,6 +459,30 @@
return WAIT_CMD;
return 0;
}
+#else /* CONFIG_BLK_DEV_IDEDMA_TIMEOUT */
+static ide_startstop_t ide_dma_timeout_revovery (ide_drive_t *drive)
+{
+ ide_hwgroup_t *hwgroup = HWGROUP(drive);
+ ide_hwif_t *hwif = HWIF(drive);
+ int enable_dma = drive->using_dma;
+ unsigned long flags;
+ ide_startstop_t startstop;
+
+ spin_lock_irqsave(&io_request_lock, flags);
+ hwgroup->handler = NULL;
+ del_timer(&hwgroup->timer);
+ spin_unlock_irqrestore(&io_request_lock, flags);
+
+ drive->waiting_for_dma = 0;
+
+ startstop = ide_do_reset(drive);
+
+ if ((enable_dma) && !(drive->using_dma))
+ (void) hwif->dmaproc(ide_dma_on, drive);
+
+ return startstop;
+}
+#endif /* CONFIG_BLK_DEV_IDEDMA_TIMEOUT */

/*
* ide_dmaproc() initiates/aborts DMA read/write operations on a drive.
@@ -468,10 +502,11 @@
*/
int ide_dmaproc (ide_dma_action_t func, ide_drive_t *drive)
{
- ide_hwif_t *hwif = HWIF(drive);
- unsigned long dma_base = hwif->dma_base;
- byte unit = (drive->select.b.unit & 0x01);
- unsigned int count, reading = 0;
+ ide_hwgroup_t *hwgroup = HWGROUP(drive);
+ ide_hwif_t *hwif = HWIF(drive);
+ unsigned long dma_base = hwif->dma_base;
+ byte unit = (drive->select.b.unit & 0x01);
+ unsigned int count, reading = 0;
byte dma_stat;

switch (func) {
@@ -498,7 +533,11 @@
drive->waiting_for_dma = 1;
if (drive->media != ide_disk)
return 0;
+#ifdef CONFIG_BLK_DEV_IDEDMA_TIMEOUT
+ ide_set_handler(drive, &ide_dma_intr, WAIT_CMD, NULL); /* issue cmd to drive */
+#else /* !CONFIG_BLK_DEV_IDEDMA_TIMEOUT */
ide_set_handler(drive, &ide_dma_intr, WAIT_CMD, dma_timer_expiry); /* issue cmd to drive */
+#endif /* CONFIG_BLK_DEV_IDEDMA_TIMEOUT */
OUT_BYTE(reading ? WIN_READDMA : WIN_WRITEDMA, IDE_COMMAND_REG);
case ide_dma_begin:
/* Note that this is done *after* the cmd has
@@ -537,6 +576,23 @@
* we have to clean up the mess, and here is as good
* as any. Do it globally for all chipsets.
*/
+ outb(0x00, dma_base); /* stop DMA */
+ dma_stat = inb(dma_base+2); /* get DMA status */
+ outb(dma_stat|6, dma_base+2); /* clear the INTR & ERROR bits */
+ printk("%s: %s: Lets do it again!" \
+ "stat = 0x%02x, dma_stat = 0x%02x\n",
+ drive->name, ide_dmafunc_verbose(func),
+ GET_STAT(), dma_stat);
+
+ if (dma_stat & 0xF0)
+ return ide_dma_timeout_revovery(drive);
+
+ printk("%s: %s: (restart_request) Lets do it again!" \
+ "stat = 0x%02x, dma_stat = 0x%02x\n",
+ drive->name, ide_dmafunc_verbose(func),
+ GET_STAT(), dma_stat);
+
+ return restart_request(drive);
#endif /* CONFIG_BLK_DEV_IDEDMA_TIMEOUT */
case ide_dma_retune:
case ide_dma_lostirq:
@@ -620,6 +676,12 @@
unsigned long dma_base = 0;
struct pci_dev *dev = hwif->pci_dev;

+#ifdef CONFIG_BLK_DEV_IDEDMA_FORCED
+ int second_chance = 0;
+
+second_chance_to_dma:
+#endif /* CONFIG_BLK_DEV_IDEDMA_FORCED */
+
if (hwif->mate && hwif->mate->dma_base) {
dma_base = hwif->mate->dma_base - (hwif->channel ? 0 : 8);
} else {
@@ -629,6 +691,26 @@
dma_base = 0;
}
}
+
+#ifdef CONFIG_BLK_DEV_IDEDMA_FORCED
+ if ((!dma_base) && (!second_chance)) {
+ unsigned long set_bmiba = 0;
+ second_chance++;
+ switch(dev->vender) {
+ PCI_VENDOR_ID_AL:
+ set_bmiba = DEFAULT_BMALIBA; break;
+ PCI_VENDOR_ID_VIA:
+ set_bmiba = DEFAULT_BMCRBA; break;
+ PCI_VENDOR_ID_INTEL:
+ set_bmiba = DEFAULT_BMIBA; break;
+ default:
+ return dma_base;
+ }
+ pci_write_config_dword(dev, 0x20, set_bmiba|1);
+ goto second_chance_to_dma;
+ }
+#endif /* CONFIG_BLK_DEV_IDEDMA_FORCED */
+
if (dma_base) {
if (extra) /* PDC20246, PDC20262, HPT343, & HPT366 */
request_region(dma_base+16, extra, name);
diff -urN linux-2.4.1-p8-pristine/drivers/ide/ide-pci.c linux-2.4.1-p8/drivers/ide/ide-pci.c
--- linux-2.4.1-p8-pristine/drivers/ide/ide-pci.c Tue Jan 2 16:58:45 2001
+++ linux-2.4.1-p8/drivers/ide/ide-pci.c Thu Jan 18 02:42:40 2001
@@ -70,8 +70,9 @@
#define DEVID_CY82C693 ((ide_pci_devid_t){PCI_VENDOR_ID_CONTAQ, PCI_DEVICE_ID_CONTAQ_82C693})
#define DEVID_HINT ((ide_pci_devid_t){0x3388, 0x8013})
#define DEVID_CS5530 ((ide_pci_devid_t){PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_5530_IDE})
-#define DEVID_AMD7403 ((ide_pci_devid_t){PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_COBRA_7403})
+#define DEVID_AMD7401 ((ide_pci_devid_t){PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_COBRA_7401})
#define DEVID_AMD7409 ((ide_pci_devid_t){PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_VIPER_7409})
+#define DEVID_AMD7411 ((ide_pci_devid_t){PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_VIPER_7411})
#define DEVID_SLC90E66 ((ide_pci_devid_t){PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1})
#define DEVID_OSB4 ((ide_pci_devid_t){PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE})

@@ -109,20 +110,20 @@
#define DMA_ALI15X3 NULL
#endif

-#ifdef CONFIG_BLK_DEV_AMD7409
-extern unsigned int pci_init_amd7409(struct pci_dev *, const char *);
-extern unsigned int ata66_amd7409(ide_hwif_t *);
-extern void ide_init_amd7409(ide_hwif_t *);
-extern void ide_dmacapable_amd7409(ide_hwif_t *, unsigned long);
-#define PCI_AMD7409 &pci_init_amd7409
-#define ATA66_AMD7409 &ata66_amd7409
-#define INIT_AMD7409 &ide_init_amd7409
-#define DMA_AMD7409 &ide_dmacapable_amd7409
-#else
-#define PCI_AMD7409 NULL
-#define ATA66_AMD7409 NULL
-#define INIT_AMD7409 NULL
-#define DMA_AMD7409 NULL
+#ifdef CONFIG_BLK_DEV_AMD74XX
+extern unsigned int pci_init_amd74xx(struct pci_dev *, const char *);
+extern unsigned int ata66_amd74xx(ide_hwif_t *);
+extern void ide_init_amd74xx(ide_hwif_t *);
+extern void ide_dmacapable_amd74xx(ide_hwif_t *, unsigned long);
+#define PCI_AMD74XX &pci_init_amd74xx
+#define ATA66_AMD74XX &ata66_amd74xx
+#define INIT_AMD74XX &ide_init_amd74xx
+#define DMA_AMD74XX &ide_dmacapable_amd74xx
+#else
+#define PCI_AMD74XX NULL
+#define ATA66_AMD74XX NULL
+#define INIT_AMD74XX NULL
+#define DMA_AMD74XX NULL
#endif

#ifdef CONFIG_BLK_DEV_CMD64X
@@ -377,8 +378,9 @@
{DEVID_CY82C693,"CY82C693", PCI_CY82C693, NULL, INIT_CY82C693, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 },
{DEVID_HINT, "HINT_IDE", NULL, NULL, NULL, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 },
{DEVID_CS5530, "CS5530", PCI_CS5530, NULL, INIT_CS5530, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 },
- {DEVID_AMD7403, "AMD7403", NULL, NULL, NULL, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 },
- {DEVID_AMD7409, "AMD7409", PCI_AMD7409, ATA66_AMD7409, INIT_AMD7409, DMA_AMD7409, {{0x40,0x01,0x01}, {0x40,0x02,0x02}}, ON_BOARD, 0 },
+ {DEVID_AMD7401, "AMD7401", NULL, NULL, NULL, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 },
+ {DEVID_AMD7409, "AMD7409", PCI_AMD74XX, ATA66_AMD74XX, INIT_AMD74XX, DMA_AMD74XX, {{0x40,0x01,0x01}, {0x40,0x02,0x02}}, ON_BOARD, 0 },
+ {DEVID_AMD7411, "AMD7411", PCI_AMD74XX, ATA66_AMD74XX, INIT_AMD74XX, DMA_AMD74XX, {{0x40,0x01,0x01}, {0x40,0x02,0x02}}, ON_BOARD, 0 },
{DEVID_SLC90E66,"SLC90E66", PCI_SLC90E66, ATA66_SLC90E66, INIT_SLC90E66, NULL, {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, ON_BOARD, 0 },
{DEVID_OSB4, "ServerWorks OSB4", PCI_OSB4, ATA66_OSB4, INIT_OSB4, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 },
{IDE_PCI_DEVID_NULL, "PCI_IDE", NULL, NULL, NULL, NULL, {{0x00,0x00,0x00}, {0x00,0x00,0x00}}, ON_BOARD, 0 }};
@@ -663,7 +665,9 @@
if (IDE_PCI_DEVID_EQ(d->devid, DEVID_SIS5513) ||
IDE_PCI_DEVID_EQ(d->devid, DEVID_AEC6260) ||
IDE_PCI_DEVID_EQ(d->devid, DEVID_PIIX4NX) ||
- IDE_PCI_DEVID_EQ(d->devid, DEVID_HPT34X))
+ IDE_PCI_DEVID_EQ(d->devid, DEVID_HPT34X) ||
+ IDE_PCI_DEVID_EQ(d->devid, DEVID_VIA_IDE) ||
+ IDE_PCI_DEVID_EQ(d->devid, DEVID_VP_IDE))
autodma = 0;
if (autodma)
hwif->autodma = 1;
diff -urN linux-2.4.1-p8-pristine/drivers/ide/ide-proc.c linux-2.4.1-p8/drivers/ide/ide-proc.c
--- linux-2.4.1-p8-pristine/drivers/ide/ide-proc.c Thu Oct 26 14:11:39 2000
+++ linux-2.4.1-p8/drivers/ide/ide-proc.c Thu Jan 18 02:42:40 2001
@@ -81,10 +81,10 @@
extern byte ali_proc;
int (*ali_display_info)(char *, char **, off_t, int) = NULL;
#endif /* CONFIG_BLK_DEV_ALI15X3 */
-#ifdef CONFIG_BLK_DEV_AMD7409
-extern byte amd7409_proc;
-int (*amd7409_display_info)(char *, char **, off_t, int) = NULL;
-#endif /* CONFIG_BLK_DEV_AMD7409 */
+#ifdef CONFIG_BLK_DEV_AMD74XX
+extern byte amd74xx_proc;
+int (*amd74xx_display_info)(char *, char **, off_t, int) = NULL;
+#endif /* CONFIG_BLK_DEV_AMD74XX */
#ifdef CONFIG_BLK_DEV_CMD64X
extern byte cmd64x_proc;
int (*cmd64x_display_info)(char *, char **, off_t, int) = NULL;
@@ -817,10 +817,10 @@
if ((ali_display_info) && (ali_proc))
create_proc_info_entry("ali", 0, proc_ide_root, ali_display_info);
#endif /* CONFIG_BLK_DEV_ALI15X3 */
-#ifdef CONFIG_BLK_DEV_AMD7409
- if ((amd7409_display_info) && (amd7409_proc))
- create_proc_info_entry("amd7409", 0, proc_ide_root, amd7409_display_info);
-#endif /* CONFIG_BLK_DEV_AMD7409 */
+#ifdef CONFIG_BLK_DEV_AMD74XX
+ if ((amd74xx_display_info) && (amd74xx_proc))
+ create_proc_info_entry("amd74xx", 0, proc_ide_root, amd74xx_display_info);
+#endif /* CONFIG_BLK_DEV_AMD74XX */
#ifdef CONFIG_BLK_DEV_CMD64X
if ((cmd64x_display_info) && (cmd64x_proc))
create_proc_info_entry("cmd64x", 0, proc_ide_root, cmd64x_display_info);
@@ -877,10 +877,10 @@
if ((ali_display_info) && (ali_proc))
remove_proc_entry("ide/ali",0);
#endif /* CONFIG_BLK_DEV_ALI15X3 */
-#ifdef CONFIG_BLK_DEV_AMD7409
- if ((amd7409_display_info) && (amd7409_proc))
- remove_proc_entry("ide/amd7409",0);
-#endif /* CONFIG_BLK_DEV_AMD7409 */
+#ifdef CONFIG_BLK_DEV_AMD74XX
+ if ((amd74xx_display_info) && (amd74xx_proc))
+ remove_proc_entry("ide/amd74xx",0);
+#endif /* CONFIG_BLK_DEV_AMD74XX */
#ifdef CONFIG_BLK_DEV_CMD64X
if ((cmd64x_display_info) && (cmd64x_proc))
remove_proc_entry("ide/cmd64x",0);
diff -urN linux-2.4.1-p8-pristine/drivers/ide/ide.c linux-2.4.1-p8/drivers/ide/ide.c
--- linux-2.4.1-p8-pristine/drivers/ide/ide.c Wed Dec 6 12:06:19 2000
+++ linux-2.4.1-p8/drivers/ide/ide.c Thu Jan 18 02:42:40 2001
@@ -1195,6 +1195,19 @@
return ide_stopped;
}

+ide_startstop_t restart_request (ide_drive_t *drive)
+{
+ ide_hwgroup_t *hwgroup = HWGROUP(drive);
+ unsigned long flags;
+
+ spin_lock_irqsave(&io_request_lock, flags);
+ hwgroup->handler = NULL;
+ del_timer(&hwgroup->timer);
+ spin_unlock_irqrestore(&io_request_lock, flags);
+
+ return start_request(drive);
+}
+
/*
* ide_stall_queue() can be used by a drive to give excess bandwidth back
* to the hwgroup by sleeping for timeout jiffies.
@@ -3533,6 +3546,7 @@
EXPORT_SYMBOL(ide_fixstring);
EXPORT_SYMBOL(ide_wait_stat);
EXPORT_SYMBOL(ide_do_reset);
+EXPORT_SYMBOL(restart_request);
EXPORT_SYMBOL(ide_init_drive_cmd);
EXPORT_SYMBOL(ide_do_drive_cmd);
EXPORT_SYMBOL(ide_end_drive_cmd);
diff -urN linux-2.4.1-p8-pristine/drivers/pci/pci.ids linux-2.4.1-p8/drivers/pci/pci.ids
--- linux-2.4.1-p8-pristine/drivers/pci/pci.ids Tue Jan 2 16:58:45 2001
+++ linux-2.4.1-p8/drivers/pci/pci.ids Thu Jan 18 02:42:40 2001
@@ -457,6 +457,8 @@
2040 79c974
7006 AMD-751 [Irongate] System Controller
7007 AMD-751 [Irongate] AGP Bridge
+ 700E AMD-760 [Irongate] System Controller
+ 700F AMD-760 [Irongate] AGP Bridge
7400 AMD-755 [Cobra] ISA
7401 AMD-755 [Cobra] IDE
7403 AMD-755 [Cobra] ACPI
@@ -465,6 +467,10 @@
7409 AMD-756 [Viper] IDE
740b AMD-756 [Viper] ACPI
740c AMD-756 [Viper] USB
+ 7410 AMD-765 [Viper] ISA
+ 7411 AMD-765 [Viper] IDE
+ 7413 AMD-765 [Viper] ACPI
+ 7414 AMD-765 [Viper] USB
1023 Trident Microsystems
0194 82C194
2000 4DWave DX
diff -urN linux-2.4.1-p8-pristine/include/linux/ide.h linux-2.4.1-p8/include/linux/ide.h
--- linux-2.4.1-p8-pristine/include/linux/ide.h Thu Jan 4 14:51:21 2001
+++ linux-2.4.1-p8/include/linux/ide.h Thu Jan 18 02:42:40 2001
@@ -738,6 +738,12 @@
ide_startstop_t ide_do_reset (ide_drive_t *);

/*
+ * Re-Start an operation for an IDE interface.
+ * The caller should return immediately after invoking this.
+ */
+ide_startstop_t restart_request (ide_drive_t *);
+
+/*
* This function is intended to be used prior to invoking ide_do_drive_cmd().
*/
void ide_init_drive_cmd (struct request *rq);
diff -urN linux-2.4.1-p8-pristine/include/linux/pci_ids.h linux-2.4.1-p8/include/linux/pci_ids.h
--- linux-2.4.1-p8-pristine/include/linux/pci_ids.h Tue Jan 2 16:58:45 2001
+++ linux-2.4.1-p8/include/linux/pci_ids.h Thu Jan 18 02:42:40 2001
@@ -279,6 +279,9 @@
#define PCI_DEVICE_ID_AMD_LANCE_HOME 0x2001
#define PCI_DEVICE_ID_AMD_SCSI 0x2020
#define PCI_DEVICE_ID_AMD_FE_GATE_7006 0x7006
+#define PCI_DEVICE_ID_AMD_FE_GATE_7007 0x7007
+#define PCI_DEVICE_ID_AMD_FE_GATE_700E 0x700E
+#define PCI_DEVICE_ID_AMD_FE_GATE_700F 0x700F
#define PCI_DEVICE_ID_AMD_COBRA_7400 0x7400
#define PCI_DEVICE_ID_AMD_COBRA_7401 0x7401
#define PCI_DEVICE_ID_AMD_COBRA_7403 0x7403
@@ -287,6 +290,10 @@
#define PCI_DEVICE_ID_AMD_VIPER_7409 0x7409
#define PCI_DEVICE_ID_AMD_VIPER_740B 0x740B
#define PCI_DEVICE_ID_AMD_VIPER_740C 0x740C
+#define PCI_DEVICE_ID_AMD_VIPER_7410 0x7410
+#define PCI_DEVICE_ID_AMD_VIPER_7411 0x7411
+#define PCI_DEVICE_ID_AMD_VIPER_7413 0x7413
+#define PCI_DEVICE_ID_AMD_VIPER_7414 0x7414

#define PCI_VENDOR_ID_TRIDENT 0x1023
#define PCI_DEVICE_ID_TRIDENT_4DWAVE_DX 0x2000
\
 
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