diff options
Diffstat (limited to 'drivers/ata/pata_hpt37x.c')
| -rw-r--r-- | drivers/ata/pata_hpt37x.c | 52 |
1 files changed, 25 insertions, 27 deletions
diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c index a8c0cbeca399..c5ddd937dbf2 100644 --- a/drivers/ata/pata_hpt37x.c +++ b/drivers/ata/pata_hpt37x.c @@ -8,12 +8,10 @@ * Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org> * Portions Copyright (C) 2001 Sun Microsystems, Inc. * Portions Copyright (C) 2003 Red Hat Inc - * Portions Copyright (C) 2005-2006 MontaVista Software, Inc. + * Portions Copyright (C) 2005-2007 MontaVista Software, Inc. * * TODO - * PLL mode - * Look into engine reset on timeout errors. Should not be - * required. + * Look into engine reset on timeout errors. Should not be required. */ #include <linux/kernel.h> @@ -26,7 +24,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_hpt37x" -#define DRV_VERSION "0.6.6" +#define DRV_VERSION "0.6.9" struct hpt_clock { u8 xfer_speed; @@ -889,25 +887,25 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) /* HPT370 - UDMA100 */ static const struct ata_port_info info_hpt370 = { .sht = &hpt37x_sht, - .flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST, + .flags = ATA_FLAG_SLAVE_POSS, .pio_mask = 0x1f, .mwdma_mask = 0x07, - .udma_mask = 0x3f, + .udma_mask = ATA_UDMA5, .port_ops = &hpt370_port_ops }; /* HPT370A - UDMA100 */ static const struct ata_port_info info_hpt370a = { .sht = &hpt37x_sht, - .flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST, + .flags = ATA_FLAG_SLAVE_POSS, .pio_mask = 0x1f, .mwdma_mask = 0x07, - .udma_mask = 0x3f, + .udma_mask = ATA_UDMA5, .port_ops = &hpt370a_port_ops }; /* HPT370 - UDMA100 */ static const struct ata_port_info info_hpt370_33 = { .sht = &hpt37x_sht, - .flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST, + .flags = ATA_FLAG_SLAVE_POSS, .pio_mask = 0x1f, .mwdma_mask = 0x07, .udma_mask = 0x0f, @@ -916,7 +914,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) /* HPT370A - UDMA100 */ static const struct ata_port_info info_hpt370a_33 = { .sht = &hpt37x_sht, - .flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST, + .flags = ATA_FLAG_SLAVE_POSS, .pio_mask = 0x1f, .mwdma_mask = 0x07, .udma_mask = 0x0f, @@ -925,19 +923,19 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) /* HPT371, 372 and friends - UDMA133 */ static const struct ata_port_info info_hpt372 = { .sht = &hpt37x_sht, - .flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST, + .flags = ATA_FLAG_SLAVE_POSS, .pio_mask = 0x1f, .mwdma_mask = 0x07, - .udma_mask = 0x7f, + .udma_mask = ATA_UDMA6, .port_ops = &hpt372_port_ops }; /* HPT374 - UDMA100 */ static const struct ata_port_info info_hpt374 = { .sht = &hpt37x_sht, - .flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST, + .flags = ATA_FLAG_SLAVE_POSS, .pio_mask = 0x1f, .mwdma_mask = 0x07, - .udma_mask = 0x3f, + .udma_mask = ATA_UDMA5, .port_ops = &hpt374_port_ops }; @@ -1092,9 +1090,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) int dpll, adjust; /* Compute DPLL */ - dpll = 2; - if (port->udma_mask & 0xE0) - dpll = 3; + dpll = (port->udma_mask & 0xC0) ? 3 : 2; f_low = (MHz[clock_slot] * 48) / MHz[dpll]; f_high = f_low + 2; @@ -1103,20 +1099,20 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) /* Select the DPLL clock. */ pci_write_config_byte(dev, 0x5b, 0x21); - pci_write_config_dword(dev, 0x5C, (f_high << 16) | f_low); + pci_write_config_dword(dev, 0x5C, (f_high << 16) | f_low | 0x100); for(adjust = 0; adjust < 8; adjust++) { if (hpt37x_calibrate_dpll(dev)) break; /* See if it'll settle at a fractionally different clock */ - if ((adjust & 3) == 3) { - f_low --; - f_high ++; - } - pci_write_config_dword(dev, 0x5C, (f_high << 16) | f_low); + if (adjust & 1) + f_low -= adjust >> 1; + else + f_high += adjust >> 1; + pci_write_config_dword(dev, 0x5C, (f_high << 16) | f_low | 0x100); } if (adjust == 8) { - printk(KERN_WARNING "hpt37x: DPLL did not stabilize.\n"); + printk(KERN_ERR "pata_hpt37x: DPLL did not stabilize!\n"); return -ENODEV; } if (dpll == 3) @@ -1124,7 +1120,8 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) else private_data = (void *)hpt37x_timings_50; - printk(KERN_INFO "hpt37x: Bus clock %dMHz, using DPLL.\n", MHz[dpll]); + printk(KERN_INFO "pata_hpt37x: bus clock %dMHz, using %dMHz DPLL.\n", + MHz[clock_slot], MHz[dpll]); } else { private_data = (void *)chip_table->clocks[clock_slot]; /* @@ -1137,7 +1134,8 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) port = &info_hpt370_33; if (clock_slot < 2 && port == &info_hpt370a) port = &info_hpt370a_33; - printk(KERN_INFO "hpt37x: %s: Bus clock %dMHz.\n", chip_table->name, MHz[clock_slot]); + printk(KERN_INFO "pata_hpt37x: %s using %dMHz bus clock.\n", + chip_table->name, MHz[clock_slot]); } /* Now kick off ATA set up */ |