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alim15x3: fix handling of command timings

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Stop depending on the BIOS setup.

Based on libata pata_ali host driver.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2010-01-18 07:21:12 +00:00 committed by David S. Miller
parent cde727be96
commit 5740345b87
1 changed files with 7 additions and 2 deletions
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9
drivers/ide/alim15x3.c
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@ -84,14 +84,18 @@ static void ali_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
struct ide_timing p;
ide_timing_compute(pair, pair->pio_mode, &p, T, 1);
ide_timing_merge(&p, &t, &t, IDE_TIMING_SETUP);
ide_timing_merge(&p, &t, &t,
IDE_TIMING_SETUP | IDE_TIMING_8BIT);
if (pair->dma_mode) {
ide_timing_compute(pair, pair->dma_mode, &p, T, 1);
ide_timing_merge(&p, &t, &t, IDE_TIMING_SETUP);
ide_timing_merge(&p, &t, &t,
IDE_TIMING_SETUP | IDE_TIMING_8BIT);
}
}
t.setup = clamp_val(t.setup, 1, 8) & 7;
t.act8b = clamp_val(t.act8b, 1, 8) & 7;
t.rec8b = clamp_val(t.rec8b, 1, 16) & 15;
t.active = clamp_val(t.active, 1, 8) & 7;
t.recover = clamp_val(t.recover, 1, 16) & 15;
@ -101,6 +105,7 @@ static void ali_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
ali_fifo_control(hwif, drive, (drive->media == ide_disk) ? 0x05 : 0x00);
pci_write_config_byte(dev, port, t.setup);
pci_write_config_byte(dev, port + 1, (t.act8b << 4) | t.rec8b);
pci_write_config_byte(dev, port + unit + 2,
(t.active << 4) | t.recover);
}