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path: root/drivers/ide/pci/pdc202xx_new.c
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Diffstat (limited to 'drivers/ide/pci/pdc202xx_new.c')
-rw-r--r--drivers/ide/pci/pdc202xx_new.c109
1 files changed, 62 insertions, 47 deletions
diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c
index 8a66a2871b3a..ad0bdcb0c02b 100644
--- a/drivers/ide/pci/pdc202xx_new.c
+++ b/drivers/ide/pci/pdc202xx_new.c
@@ -9,7 +9,7 @@
* Split from:
* linux/drivers/ide/pdc202xx.c Version 0.35 Mar. 30, 2002
* Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>
- * Copyright (C) 2005-2006 MontaVista Software, Inc.
+ * Copyright (C) 2005-2007 MontaVista Software, Inc.
* Portions Copyright (C) 1999 Promise Technology, Inc.
* Author: Frank Tiernan (frankt@promise.com)
* Released under terms of General Public License
@@ -146,21 +146,16 @@ static struct udma_timing {
{ 0x1a, 0x01, 0xcb }, /* UDMA mode 6 */
};
-static int pdcnew_tune_chipset(ide_drive_t *drive, u8 speed)
+static void pdcnew_set_mode(ide_drive_t *drive, const u8 speed)
{
ide_hwif_t *hwif = HWIF(drive);
u8 adj = (drive->dn & 1) ? 0x08 : 0x00;
- int err;
-
- speed = ide_rate_filter(drive, speed);
/*
- * Issue SETFEATURES_XFER to the drive first. PDC202xx hardware will
+ * IDE core issues SETFEATURES_XFER to the drive first (thanks to
+ * IDE_HFLAG_POST_SET_MODE in ->host_flags). PDC202xx hardware will
* automatically set the timing registers based on 100 MHz PLL output.
- */
- err = ide_config_drive_speed(drive, speed);
-
- /*
+ *
* As we set up the PLL to output 133 MHz for UltraDMA/133 capable
* chips, we must override the default register settings...
*/
@@ -213,14 +208,11 @@ static int pdcnew_tune_chipset(ide_drive_t *drive, u8 speed)
set_indexed_reg(hwif, 0x10 + adj, tmp & 0x7f);
}
-
- return err;
}
-static void pdcnew_tune_drive(ide_drive_t *drive, u8 pio)
+static void pdcnew_set_pio_mode(ide_drive_t *drive, const u8 pio)
{
- pio = ide_get_best_pio_mode(drive, pio, 4);
- (void)pdcnew_tune_chipset(drive, XFER_PIO_0 + pio);
+ pdcnew_set_mode(drive, XFER_PIO_0 + pio);
}
static u8 pdcnew_cable_detect(ide_hwif_t *hwif)
@@ -239,7 +231,7 @@ static int pdcnew_config_drive_xfer_rate(ide_drive_t *drive)
return 0;
if (ide_use_fast_pio(drive))
- pdcnew_tune_drive(drive, 255);
+ ide_set_max_pio(drive);
return -1;
}
@@ -341,7 +333,7 @@ static long __devinit detect_pll_input_clock(unsigned long dma_base)
*/
usec_elapsed = (end_time.tv_sec - start_time.tv_sec) * 1000000 +
(end_time.tv_usec - start_time.tv_usec);
- pll_input = ((start_count - end_count) & 0x3ffffff) / 10 *
+ pll_input = ((start_count - end_count) & 0x3fffffff) / 10 *
(10000000 / usec_elapsed);
DBG("start[%ld] end[%ld]\n", start_count, end_count);
@@ -378,6 +370,9 @@ static unsigned int __devinit init_chipset_pdcnew(struct pci_dev *dev, const cha
int f, r;
u8 pll_ctl0, pll_ctl1;
+ if (dma_base == 0)
+ return -EFAULT;
+
#ifdef CONFIG_PPC_PMAC
apple_kiwi_init(dev);
#endif
@@ -489,20 +484,24 @@ static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif)
{
hwif->autodma = 0;
- hwif->tuneproc = &pdcnew_tune_drive;
+ hwif->set_pio_mode = &pdcnew_set_pio_mode;
+ hwif->set_dma_mode = &pdcnew_set_mode;
+
hwif->quirkproc = &pdcnew_quirkproc;
- hwif->speedproc = &pdcnew_tune_chipset;
hwif->resetproc = &pdcnew_reset;
+ hwif->err_stops_fifo = 1;
+
hwif->drives[0].autotune = hwif->drives[1].autotune = 1;
+ if (hwif->dma_base == 0)
+ return;
+
hwif->atapi_dma = 1;
hwif->ultra_mask = hwif->cds->udma_mask;
hwif->mwdma_mask = 0x07;
- hwif->err_stops_fifo = 1;
-
hwif->ide_dma_check = &pdcnew_config_drive_xfer_rate;
if (hwif->cbl != ATA_CBL_PATA40_SHORT)
@@ -518,43 +517,52 @@ static int __devinit init_setup_pdcnew(struct pci_dev *dev, ide_pci_device_t *d)
return ide_setup_pci_device(dev, d);
}
-static int __devinit init_setup_pdc20270(struct pci_dev *dev,
- ide_pci_device_t *d)
+static int __devinit init_setup_pdc20270(struct pci_dev *dev, ide_pci_device_t *d)
{
- struct pci_dev *findev = NULL;
- int ret;
+ struct pci_dev *bridge = dev->bus->self;
+
+ if (bridge != NULL &&
+ bridge->vendor == PCI_VENDOR_ID_DEC &&
+ bridge->device == PCI_DEVICE_ID_DEC_21150) {
+ struct pci_dev *dev2;
- if ((dev->bus->self &&
- dev->bus->self->vendor == PCI_VENDOR_ID_DEC) &&
- (dev->bus->self->device == PCI_DEVICE_ID_DEC_21150)) {
if (PCI_SLOT(dev->devfn) & 2)
return -ENODEV;
- d->extra = 0;
- while ((findev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, findev)) != NULL) {
- if ((findev->vendor == dev->vendor) &&
- (findev->device == dev->device) &&
- (PCI_SLOT(findev->devfn) & 2)) {
- if (findev->irq != dev->irq) {
- findev->irq = dev->irq;
- }
- ret = ide_setup_pci_devices(dev, findev, d);
- pci_dev_put(findev);
- return ret;
+
+ dev2 = pci_get_slot(dev->bus, PCI_DEVFN(PCI_SLOT(dev->devfn) + 2,
+ PCI_FUNC(dev->devfn)));
+ if (dev2 != NULL &&
+ dev2->vendor == dev->vendor &&
+ dev2->device == dev->device) {
+ int ret;
+
+ if (dev2->irq != dev->irq) {
+ dev2->irq = dev->irq;
+
+ printk(KERN_WARNING "%s: PCI config space "
+ "interrupt fixed.\n", d->name);
}
+
+ ret = ide_setup_pci_devices(dev, dev2, d);
+ if (ret < 0)
+ pci_dev_put(dev2);
+ return ret;
}
}
return ide_setup_pci_device(dev, d);
}
-static int __devinit init_setup_pdc20276(struct pci_dev *dev,
- ide_pci_device_t *d)
+static int __devinit init_setup_pdc20276(struct pci_dev *dev, ide_pci_device_t *d)
{
- if ((dev->bus->self) &&
- (dev->bus->self->vendor == PCI_VENDOR_ID_INTEL) &&
- ((dev->bus->self->device == PCI_DEVICE_ID_INTEL_I960) ||
- (dev->bus->self->device == PCI_DEVICE_ID_INTEL_I960RM))) {
- printk(KERN_INFO "ide: Skipping Promise PDC20276 "
- "attached to I2O RAID controller.\n");
+ struct pci_dev *bridge = dev->bus->self;
+
+ if (bridge != NULL &&
+ bridge->vendor == PCI_VENDOR_ID_INTEL &&
+ (bridge->device == PCI_DEVICE_ID_INTEL_I960 ||
+ bridge->device == PCI_DEVICE_ID_INTEL_I960RM)) {
+
+ printk(KERN_INFO "%s: attached to I2O RAID controller, "
+ "skipping.\n", d->name);
return -ENODEV;
}
return ide_setup_pci_device(dev, d);
@@ -570,6 +578,7 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
.bootable = OFF_BOARD,
.pio_mask = ATA_PIO4,
.udma_mask = 0x3f, /* udma0-5 */
+ .host_flags = IDE_HFLAG_POST_SET_MODE,
},{ /* 1 */
.name = "PDC20269",
.init_setup = init_setup_pdcnew,
@@ -579,6 +588,7 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
.bootable = OFF_BOARD,
.pio_mask = ATA_PIO4,
.udma_mask = 0x7f, /* udma0-6*/
+ .host_flags = IDE_HFLAG_POST_SET_MODE,
},{ /* 2 */
.name = "PDC20270",
.init_setup = init_setup_pdc20270,
@@ -588,6 +598,7 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
.bootable = OFF_BOARD,
.pio_mask = ATA_PIO4,
.udma_mask = 0x3f, /* udma0-5 */
+ .host_flags = IDE_HFLAG_POST_SET_MODE,
},{ /* 3 */
.name = "PDC20271",
.init_setup = init_setup_pdcnew,
@@ -597,6 +608,7 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
.bootable = OFF_BOARD,
.pio_mask = ATA_PIO4,
.udma_mask = 0x7f, /* udma0-6*/
+ .host_flags = IDE_HFLAG_POST_SET_MODE,
},{ /* 4 */
.name = "PDC20275",
.init_setup = init_setup_pdcnew,
@@ -606,6 +618,7 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
.bootable = OFF_BOARD,
.pio_mask = ATA_PIO4,
.udma_mask = 0x7f, /* udma0-6*/
+ .host_flags = IDE_HFLAG_POST_SET_MODE,
},{ /* 5 */
.name = "PDC20276",
.init_setup = init_setup_pdc20276,
@@ -615,6 +628,7 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
.bootable = OFF_BOARD,
.pio_mask = ATA_PIO4,
.udma_mask = 0x7f, /* udma0-6*/
+ .host_flags = IDE_HFLAG_POST_SET_MODE,
},{ /* 6 */
.name = "PDC20277",
.init_setup = init_setup_pdcnew,
@@ -624,6 +638,7 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
.bootable = OFF_BOARD,
.pio_mask = ATA_PIO4,
.udma_mask = 0x7f, /* udma0-6*/
+ .host_flags = IDE_HFLAG_POST_SET_MODE,
}
};
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