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path: root/drivers/ide/ide-iops.c
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Diffstat (limited to 'drivers/ide/ide-iops.c')
-rw-r--r--drivers/ide/ide-iops.c45
1 files changed, 40 insertions, 5 deletions
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 92578b6832e..f4cd2700cae 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -565,6 +565,36 @@ int ide_wait_stat (ide_startstop_t *startstop, ide_drive_t *drive, u8 good, u8 b
EXPORT_SYMBOL(ide_wait_stat);
+/**
+ * ide_in_drive_list - look for drive in black/white list
+ * @id: drive identifier
+ * @drive_table: list to inspect
+ *
+ * Look for a drive in the blacklist and the whitelist tables
+ * Returns 1 if the drive is found in the table.
+ */
+
+int ide_in_drive_list(struct hd_driveid *id, const struct drive_list_entry *drive_table)
+{
+ for ( ; drive_table->id_model; drive_table++)
+ if ((!strcmp(drive_table->id_model, id->model)) &&
+ (!drive_table->id_firmware ||
+ strstr(id->fw_rev, drive_table->id_firmware)))
+ return 1;
+ return 0;
+}
+
+EXPORT_SYMBOL_GPL(ide_in_drive_list);
+
+/*
+ * Early UDMA66 devices don't set bit14 to 1, only bit13 is valid.
+ * We list them here and depend on the device side cable detection for them.
+ */
+static const struct drive_list_entry ivb_list[] = {
+ { "QUANTUM FIREBALLlct10 05" , "A03.0900" },
+ { NULL , NULL }
+};
+
/*
* All hosts that use the 80c ribbon must use!
* The name is derived from upper byte of word 93 and the 80c ribbon.
@@ -573,11 +603,16 @@ u8 eighty_ninty_three (ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
struct hd_driveid *id = drive->id;
+ int ivb = ide_in_drive_list(id, ivb_list);
if (hwif->cbl == ATA_CBL_PATA40_SHORT)
return 1;
- if (hwif->cbl != ATA_CBL_PATA80)
+ if (ivb)
+ printk(KERN_DEBUG "%s: skipping word 93 validity check\n",
+ drive->name);
+
+ if (hwif->cbl != ATA_CBL_PATA80 && !ivb)
goto no_80w;
/* Check for SATA but only if we are ATA5 or higher */
@@ -587,11 +622,11 @@ u8 eighty_ninty_three (ide_drive_t *drive)
/*
* FIXME:
* - change master/slave IDENTIFY order
- * - force bit13 (80c cable present) check
+ * - force bit13 (80c cable present) check also for !ivb devices
* (unless the slave device is pre-ATA3)
*/
#ifndef CONFIG_IDEDMA_IVB
- if (id->hw_config & 0x4000)
+ if ((id->hw_config & 0x4000) || (ivb && (id->hw_config & 0x2000)))
#else
if (id->hw_config & 0x6000)
#endif
@@ -795,7 +830,7 @@ int ide_config_drive_speed (ide_drive_t *drive, u8 speed)
hwif->OUTB(drive->ctl | 2, IDE_CONTROL_REG);
hwif->OUTB(speed, IDE_NSECTOR_REG);
hwif->OUTB(SETFEATURES_XFER, IDE_FEATURE_REG);
- hwif->OUTB(WIN_SETFEATURES, IDE_COMMAND_REG);
+ hwif->OUTBSYNC(drive, WIN_SETFEATURES, IDE_COMMAND_REG);
if ((IDE_CONTROL_REG) && (drive->quirk_list == 2))
hwif->OUTB(drive->ctl, IDE_CONTROL_REG);
udelay(1);
@@ -822,7 +857,7 @@ int ide_config_drive_speed (ide_drive_t *drive, u8 speed)
*/
for (i = 0; i < 10; i++) {
udelay(1);
- if (OK_STAT((stat = hwif->INB(IDE_STATUS_REG)), DRIVE_READY, BUSY_STAT|DRQ_STAT|ERR_STAT)) {
+ if (OK_STAT((stat = hwif->INB(IDE_STATUS_REG)), drive->ready_stat, BUSY_STAT|DRQ_STAT|ERR_STAT)) {
error = 0;
break;
}