* 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
{ 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...
*/
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)
return ATA_CBL_PATA80;
}
-static int pdcnew_config_drive_xfer_rate(ide_drive_t *drive)
-{
- drive->init_speed = 0;
-
- if (ide_tune_dma(drive))
- return 0;
-
- if (ide_use_fast_pio(drive))
- pdcnew_tune_drive(drive, 255);
-
- return -1;
-}
-
static int pdcnew_quirkproc(ide_drive_t *drive)
{
const char **list, *model = drive->id->model;
*/
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);
static void __devinit apple_kiwi_init(struct pci_dev *pdev)
{
struct device_node *np = pci_device_to_OF_node(pdev);
- unsigned int class_rev = 0;
u8 conf;
if (np == NULL || !of_device_is_compatible(np, "kiwi-root"))
return;
- pci_read_config_dword(pdev, PCI_CLASS_REVISION, &class_rev);
- class_rev &= 0xff;
-
- if (class_rev >= 0x03) {
+ if (pdev->revision >= 0x03) {
/* Setup chip magic config stuff (from darwin) */
pci_read_config_byte (pdev, 0x40, &conf);
pci_write_config_byte(pdev, 0x40, (conf | 0x01));
static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif)
{
- hwif->autodma = 0;
+ hwif->set_pio_mode = &pdcnew_set_pio_mode;
+ hwif->set_dma_mode = &pdcnew_set_mode;
- hwif->tuneproc = &pdcnew_tune_drive;
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->ide_dma_check = &pdcnew_config_drive_xfer_rate;
-
if (hwif->cbl != ATA_CBL_PATA40_SHORT)
hwif->cbl = pdcnew_cable_detect(hwif);
-
- if (!noautodma)
- hwif->autodma = 1;
- hwif->drives[0].autodma = hwif->drives[1].autodma = hwif->autodma;
}
-static int __devinit init_setup_pdcnew(struct pci_dev *dev, ide_pci_device_t *d)
+static struct pci_dev * __devinit pdc20270_get_dev2(struct pci_dev *dev)
{
- return ide_setup_pci_device(dev, d);
-}
-
-static int __devinit init_setup_pdc20270(struct pci_dev *dev,
- ide_pci_device_t *d)
-{
- struct pci_dev *findev = NULL;
- int ret;
-
- 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;
- }
+ struct pci_dev *dev2;
+
+ dev2 = pci_get_slot(dev->bus, PCI_DEVFN(PCI_SLOT(dev->devfn) + 2,
+ PCI_FUNC(dev->devfn)));
+ if (dev2 &&
+ dev2->vendor == dev->vendor &&
+ dev2->device == dev->device) {
+
+ if (dev2->irq != dev->irq) {
+ dev2->irq = dev->irq;
+ printk(KERN_INFO "PDC20270: PCI config space "
+ "interrupt fixed\n");
}
- }
- return ide_setup_pci_device(dev, 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");
- return -ENODEV;
+ return dev2;
}
- return ide_setup_pci_device(dev, d);
+
+ return NULL;
}
-static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
- { /* 0 */
- .name = "PDC20268",
- .init_setup = init_setup_pdcnew,
- .init_chipset = init_chipset_pdcnew,
- .init_hwif = init_hwif_pdc202new,
- .autodma = AUTODMA,
- .bootable = OFF_BOARD,
- .pio_mask = ATA_PIO4,
- .udma_mask = 0x3f, /* udma0-5 */
- },{ /* 1 */
- .name = "PDC20269",
- .init_setup = init_setup_pdcnew,
- .init_chipset = init_chipset_pdcnew,
- .init_hwif = init_hwif_pdc202new,
- .autodma = AUTODMA,
- .bootable = OFF_BOARD,
- .pio_mask = ATA_PIO4,
- .udma_mask = 0x7f, /* udma0-6*/
- },{ /* 2 */
- .name = "PDC20270",
- .init_setup = init_setup_pdc20270,
- .init_chipset = init_chipset_pdcnew,
- .init_hwif = init_hwif_pdc202new,
- .autodma = AUTODMA,
- .bootable = OFF_BOARD,
- .pio_mask = ATA_PIO4,
- .udma_mask = 0x3f, /* udma0-5 */
- },{ /* 3 */
- .name = "PDC20271",
- .init_setup = init_setup_pdcnew,
- .init_chipset = init_chipset_pdcnew,
- .init_hwif = init_hwif_pdc202new,
- .autodma = AUTODMA,
- .bootable = OFF_BOARD,
- .pio_mask = ATA_PIO4,
- .udma_mask = 0x7f, /* udma0-6*/
- },{ /* 4 */
- .name = "PDC20275",
- .init_setup = init_setup_pdcnew,
- .init_chipset = init_chipset_pdcnew,
- .init_hwif = init_hwif_pdc202new,
- .autodma = AUTODMA,
- .bootable = OFF_BOARD,
- .pio_mask = ATA_PIO4,
- .udma_mask = 0x7f, /* udma0-6*/
- },{ /* 5 */
- .name = "PDC20276",
- .init_setup = init_setup_pdc20276,
- .init_chipset = init_chipset_pdcnew,
- .init_hwif = init_hwif_pdc202new,
- .autodma = AUTODMA,
- .bootable = OFF_BOARD,
- .pio_mask = ATA_PIO4,
- .udma_mask = 0x7f, /* udma0-6*/
- },{ /* 6 */
- .name = "PDC20277",
- .init_setup = init_setup_pdcnew,
- .init_chipset = init_chipset_pdcnew,
- .init_hwif = init_hwif_pdc202new,
- .autodma = AUTODMA,
- .bootable = OFF_BOARD,
- .pio_mask = ATA_PIO4,
- .udma_mask = 0x7f, /* udma0-6*/
+#define DECLARE_PDCNEW_DEV(name_str, udma) \
+ { \
+ .name = name_str, \
+ .init_chipset = init_chipset_pdcnew, \
+ .init_hwif = init_hwif_pdc202new, \
+ .host_flags = IDE_HFLAG_POST_SET_MODE | \
+ IDE_HFLAG_ERROR_STOPS_FIFO | \
+ IDE_HFLAG_OFF_BOARD, \
+ .pio_mask = ATA_PIO4, \
+ .mwdma_mask = ATA_MWDMA2, \
+ .udma_mask = udma, \
}
+
+static const struct ide_port_info pdcnew_chipsets[] __devinitdata = {
+ /* 0 */ DECLARE_PDCNEW_DEV("PDC20268", ATA_UDMA5),
+ /* 1 */ DECLARE_PDCNEW_DEV("PDC20269", ATA_UDMA6),
+ /* 2 */ DECLARE_PDCNEW_DEV("PDC20270", ATA_UDMA5),
+ /* 3 */ DECLARE_PDCNEW_DEV("PDC20271", ATA_UDMA6),
+ /* 4 */ DECLARE_PDCNEW_DEV("PDC20275", ATA_UDMA6),
+ /* 5 */ DECLARE_PDCNEW_DEV("PDC20276", ATA_UDMA6),
+ /* 6 */ DECLARE_PDCNEW_DEV("PDC20277", ATA_UDMA6),
};
/**
static int __devinit pdc202new_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
- ide_pci_device_t *d = &pdcnew_chipsets[id->driver_data];
+ const struct ide_port_info *d;
+ struct pci_dev *bridge = dev->bus->self;
+ u8 idx = id->driver_data;
+
+ d = &pdcnew_chipsets[idx];
+
+ if (idx == 2 && bridge &&
+ bridge->vendor == PCI_VENDOR_ID_DEC &&
+ bridge->device == PCI_DEVICE_ID_DEC_21150) {
+ struct pci_dev *dev2;
- return d->init_setup(dev, d);
+ if (PCI_SLOT(dev->devfn) & 2)
+ return -ENODEV;
+
+ dev2 = pdc20270_get_dev2(dev);
+
+ if (dev2) {
+ int ret = ide_setup_pci_devices(dev, dev2, d);
+ if (ret < 0)
+ pci_dev_put(dev2);
+ return ret;
+ }
+ }
+
+ if (idx == 5 && bridge &&
+ bridge->vendor == PCI_VENDOR_ID_INTEL &&
+ (bridge->device == PCI_DEVICE_ID_INTEL_I960 ||
+ bridge->device == PCI_DEVICE_ID_INTEL_I960RM)) {
+ printk(KERN_INFO "PDC20276: attached to I2O RAID controller, "
+ "skipping\n");
+ return -ENODEV;
+ }
+
+ return ide_setup_pci_device(dev, d);
}
-static struct pci_device_id pdc202new_pci_tbl[] = {
- { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20268, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
- { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20269, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
- { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20270, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
- { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20271, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
- { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20275, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
- { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20276, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5},
- { PCI_VENDOR_ID_PROMISE, PCI_DEVICE_ID_PROMISE_20277, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6},
+static const struct pci_device_id pdc202new_pci_tbl[] = {
+ { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20268), 0 },
+ { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20269), 1 },
+ { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20270), 2 },
+ { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20271), 3 },
+ { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20275), 4 },
+ { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20276), 5 },
+ { PCI_VDEVICE(PROMISE, PCI_DEVICE_ID_PROMISE_20277), 6 },
{ 0, },
};
MODULE_DEVICE_TABLE(pci, pdc202new_pci_tbl);