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path: root/drivers/ide/pci/aec62xx.c
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Diffstat (limited to 'drivers/ide/pci/aec62xx.c')
-rw-r--r--drivers/ide/pci/aec62xx.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c
index 73bdf64dbbf..abe0b1bb55f 100644
--- a/drivers/ide/pci/aec62xx.c
+++ b/drivers/ide/pci/aec62xx.c
@@ -261,11 +261,13 @@ static unsigned int __devinit init_chipset_aec62xx(struct pci_dev *dev, const ch
static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif)
{
+ struct pci_dev *dev = hwif->pci_dev;
+
hwif->autodma = 0;
hwif->tuneproc = &aec62xx_tune_drive;
hwif->speedproc = &aec62xx_tune_chipset;
- if (hwif->pci_dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF)
+ if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF)
hwif->serialized = hwif->channel;
if (hwif->mate)
@@ -277,7 +279,15 @@ static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif)
return;
}
- hwif->ultra_mask = 0x7f;
+ hwif->ultra_mask = hwif->cds->udma_mask;
+
+ /* atp865 and atp865r */
+ if (hwif->ultra_mask == 0x3f) {
+ /* check bit 0x10 of DMA status register */
+ if (inb(pci_resource_start(dev, 4) + 2) & 0x10)
+ hwif->ultra_mask = 0x7f; /* udma0-6 */
+ }
+
hwif->mwdma_mask = 0x07;
hwif->ide_dma_check = &aec62xx_config_drive_xfer_rate;
@@ -344,6 +354,7 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
.bootable = OFF_BOARD,
+ .udma_mask = 0x07, /* udma0-2 */
},{ /* 1 */
.name = "AEC6260",
.init_setup = init_setup_aec62xx,
@@ -353,6 +364,7 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
.channels = 2,
.autodma = NOAUTODMA,
.bootable = OFF_BOARD,
+ .udma_mask = 0x1f, /* udma0-4 */
},{ /* 2 */
.name = "AEC6260R",
.init_setup = init_setup_aec62xx,
@@ -363,6 +375,7 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
.bootable = NEVER_BOARD,
+ .udma_mask = 0x1f, /* udma0-4 */
},{ /* 3 */
.name = "AEC6X80",
.init_setup = init_setup_aec6x80,
@@ -372,6 +385,7 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
.channels = 2,
.autodma = AUTODMA,
.bootable = OFF_BOARD,
+ .udma_mask = 0x3f, /* udma0-5 */
},{ /* 4 */
.name = "AEC6X80R",
.init_setup = init_setup_aec6x80,
@@ -382,6 +396,7 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
.autodma = AUTODMA,
.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
.bootable = OFF_BOARD,
+ .udma_mask = 0x3f, /* udma0-5 */
}
};