diff options
| -rw-r--r-- | drivers/ide/pci/siimage.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index e07c991d91b9..c526c70d65a4 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/siimage.c Version 1.15 Jun 29 2007 + * linux/drivers/ide/pci/siimage.c Version 1.16 Jul 13 2007 * * Copyright (C) 2001-2002 Andre Hedrick <andre@linux-ide.org> * Copyright (C) 2003 Red Hat <alan@redhat.com> @@ -185,7 +185,12 @@ static void sil_tune_pio(ide_drive_t *drive, u8 pio) u16 speedp = 0; unsigned long addr = siimage_seldev(drive, 0x04); unsigned long tfaddr = siimage_selreg(hwif, 0x02); + unsigned long base = (unsigned long)hwif->hwif_data; u8 tf_pio = pio; + u8 addr_mask = hwif->channel ? (hwif->mmio ? 0xF4 : 0x84) + : (hwif->mmio ? 0xB4 : 0x80); + u8 mode = 0; + u8 unit = drive->select.b.unit; /* trim *taskfile* PIO to the slowest of the master/slave */ if (pair->present) { @@ -207,6 +212,11 @@ static void sil_tune_pio(ide_drive_t *drive, u8 pio) hwif->OUTW(hwif->INW(tfaddr-2)|0x200, tfaddr-2); else hwif->OUTW(hwif->INW(tfaddr-2)&~0x200, tfaddr-2); + + mode = hwif->INB(base + addr_mask); + mode &= ~(unit ? 0x30 : 0x03); + mode |= (unit ? 0x10 : 0x01); + hwif->OUTB(mode, base + addr_mask); } else { pci_write_config_word(hwif->pci_dev, addr, speedp); pci_write_config_word(hwif->pci_dev, tfaddr, speedt); @@ -216,6 +226,11 @@ static void sil_tune_pio(ide_drive_t *drive, u8 pio) if (pio > 2) speedp |= 0x200; pci_write_config_word(hwif->pci_dev, tfaddr-2, speedp); + + pci_read_config_byte(hwif->pci_dev, addr_mask, &mode); + mode &= ~(unit ? 0x30 : 0x03); + mode |= (unit ? 0x10 : 0x01); + pci_write_config_byte(hwif->pci_dev, addr_mask, mode); } } @@ -275,8 +290,7 @@ static int siimage_tune_chipset(ide_drive_t *drive, const u8 speed) case XFER_PIO_1: case XFER_PIO_0: sil_tune_pio(drive, speed - XFER_PIO_0); - mode |= ((unit) ? 0x10 : 0x01); - break; + return ide_config_drive_speed(drive, speed); case XFER_MW_DMA_2: case XFER_MW_DMA_1: case XFER_MW_DMA_0: |