X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fide%2Fpci%2Fsiimage.c;h=4ff89c7d990a026c9475b6fa16a6c1eadbd6d0cd;hb=refs%2Fheads%2Fvserver;hp=91b039826fe309fa291f28c553b08a6129ac6486;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c index 91b039826..4ff89c7d9 100644 --- a/drivers/ide/pci/siimage.c +++ b/drivers/ide/pci/siimage.c @@ -6,7 +6,13 @@ * * May be copied or modified under the terms of the GNU General Public License * - * Documentation available under NDA only + * Documentation for CMD680: + * http://gkernel.sourceforge.net/specs/sii/sii-0680a-v1.31.pdf.bz2 + * + * Documentation for SiI 3112: + * http://gkernel.sourceforge.net/specs/sii/3112A_SiI-DS-0095-B2.pdf.bz2 + * + * Errata and other documentation only available under NDA. * * * FAQ Items: @@ -21,7 +27,6 @@ * if neccessary */ -#include #include #include #include @@ -32,9 +37,6 @@ #include -#undef SIIMAGE_VIRTUAL_DMAPIO -#undef SIIMAGE_LARGE_DMA - /** * pdev_is_sata - check if device is SATA * @pdev: PCI device to check @@ -420,37 +422,16 @@ static int siimage_config_drive_for_dma (ide_drive_t *drive) struct hd_driveid *id = drive->id; if ((id->capability & 1) != 0 && drive->autodma) { - /* Consult the list of known "bad" drives */ - if (__ide_dma_bad_drive(drive)) - goto fast_ata_pio; - - if ((id->field_valid & 4) && siimage_ratemask(drive)) { - if (id->dma_ultra & hwif->ultra_mask) { - /* Force if Capable UltraDMA */ - int dma = config_chipset_for_dma(drive); - if ((id->field_valid & 2) && !dma) - goto try_dma_modes; - } - } else if (id->field_valid & 2) { -try_dma_modes: - if ((id->dma_mword & hwif->mwdma_mask) || - (id->dma_1word & hwif->swdma_mask)) { - /* Force if Capable regular DMA modes */ - if (!config_chipset_for_dma(drive)) - goto no_dma_set; - } - } else if (__ide_dma_good_drive(drive) && - (id->eide_dma_time < 150)) { - /* Consult the list of known "good" drives */ - if (!config_chipset_for_dma(drive)) - goto no_dma_set; - } else { - goto fast_ata_pio; + + if (ide_use_dma(drive)) { + if (config_chipset_for_dma(drive)) + return hwif->ide_dma_on(drive); } - return hwif->ide_dma_on(drive); + + goto fast_ata_pio; + } else if ((id->capability & 8) || (id->field_valid & 2)) { fast_ata_pio: -no_dma_set: config_chipset_for_pio(drive, 1); return hwif->ide_dma_off_quietly(drive); } @@ -476,36 +457,6 @@ static int siimage_io_ide_dma_test_irq (ide_drive_t *drive) return 0; } -#if 0 -/** - * siimage_mmio_ide_dma_count - DMA bytes done - * @drive - * - * If we are doing VDMA the CMD680 requires a little bit - * of more careful handling and we have to read the counts - * off ourselves. For non VDMA life is normal. - */ - -static int siimage_mmio_ide_dma_count (ide_drive_t *drive) -{ -#ifdef SIIMAGE_VIRTUAL_DMAPIO - struct request *rq = HWGROUP(drive)->rq; - ide_hwif_t *hwif = HWIF(drive); - u32 count = (rq->nr_sectors * SECTOR_SIZE); - u32 rcount = 0; - unsigned long addr = siimage_selreg(hwif, 0x1C); - - hwif->OUTL(count, addr); - rcount = hwif->INL(addr); - - printk("\n%s: count = %d, rcount = %d, nr_sectors = %lu\n", - drive->name, count, rcount, rq->nr_sectors); - -#endif /* SIIMAGE_VIRTUAL_DMAPIO */ - return __ide_dma_count(drive); -} -#endif - /** * siimage_mmio_ide_dma_test_irq - check we caused an IRQ * @drive: drive we are testing @@ -527,12 +478,10 @@ static int siimage_mmio_ide_dma_test_irq (ide_drive_t *drive) u32 sata_error = hwif->INL(SATA_ERROR_REG); hwif->OUTL(sata_error, SATA_ERROR_REG); watchdog = (sata_error & 0x00680000) ? 1 : 0; -#if 1 printk(KERN_WARNING "%s: sata_error = 0x%08x, " "watchdog = %d, %s\n", drive->name, sata_error, watchdog, __FUNCTION__); -#endif } else { watchdog = (ext_stat & 0x8000) ? 1 : 0; @@ -554,12 +503,6 @@ static int siimage_mmio_ide_dma_test_irq (ide_drive_t *drive) return 0; } -static int siimage_mmio_ide_dma_verbose (ide_drive_t *drive) -{ - int temp = __ide_dma_verbose(drive); - return temp; -} - /** * siimage_busproc - bus isolation ioctl * @drive: drive to isolate/restore @@ -617,7 +560,7 @@ static int siimage_reset_poll (ide_drive_t *drive) if ((hwif->INL(SATA_STATUS_REG) & 0x03) != 0x03) { printk(KERN_WARNING "%s: reset phy dead, status=0x%08x\n", hwif->name, hwif->INL(SATA_STATUS_REG)); - HWGROUP(drive)->poll_timeout = 0; + HWGROUP(drive)->polling = 0; return ide_started; } return 0; @@ -727,8 +670,8 @@ static unsigned int setup_mmio_siimage (struct pci_dev *dev, const char *name) unsigned long bar5 = pci_resource_start(dev, 5); unsigned long barsize = pci_resource_len(dev, 5); u8 tmpbyte = 0; - unsigned long addr; - void *ioaddr; + void __iomem *ioaddr; + u32 tmp, irq_mask; /* * Drop back to PIO if we can't map the mmio. Some @@ -751,22 +694,29 @@ static unsigned int setup_mmio_siimage (struct pci_dev *dev, const char *name) } pci_set_master(dev); - pci_set_drvdata(dev, ioaddr); - addr = (unsigned long) ioaddr; + pci_set_drvdata(dev, (void *) ioaddr); if (pdev_is_sata(dev)) { - writel(0, addr + 0x148); - writel(0, addr + 0x1C8); + /* make sure IDE0/1 interrupts are not masked */ + irq_mask = (1 << 22) | (1 << 23); + tmp = readl(ioaddr + 0x48); + if (tmp & irq_mask) { + tmp &= ~irq_mask; + writel(tmp, ioaddr + 0x48); + readl(ioaddr + 0x48); /* flush */ + } + writel(0, ioaddr + 0x148); + writel(0, ioaddr + 0x1C8); } - writeb(0, addr + 0xB4); - writeb(0, addr + 0xF4); - tmpbyte = readb(addr + 0x4A); + writeb(0, ioaddr + 0xB4); + writeb(0, ioaddr + 0xF4); + tmpbyte = readb(ioaddr + 0x4A); switch(tmpbyte & 0x30) { case 0x00: /* In 100 MHz clocking, try and switch to 133 */ - writeb(tmpbyte|0x10, addr + 0x4A); + writeb(tmpbyte|0x10, ioaddr + 0x4A); break; case 0x10: /* On 133Mhz clocking */ @@ -777,29 +727,29 @@ static unsigned int setup_mmio_siimage (struct pci_dev *dev, const char *name) case 0x30: /* Clocking is disabled */ /* 133 clock attempt to force it on */ - writeb(tmpbyte & ~0x20, addr + 0x4A); + writeb(tmpbyte & ~0x20, ioaddr + 0x4A); break; } - writeb( 0x72, addr + 0xA1); - writew( 0x328A, addr + 0xA2); - writel(0x62DD62DD, addr + 0xA4); - writel(0x43924392, addr + 0xA8); - writel(0x40094009, addr + 0xAC); - writeb( 0x72, addr + 0xE1); - writew( 0x328A, addr + 0xE2); - writel(0x62DD62DD, addr + 0xE4); - writel(0x43924392, addr + 0xE8); - writel(0x40094009, addr + 0xEC); + writeb( 0x72, ioaddr + 0xA1); + writew( 0x328A, ioaddr + 0xA2); + writel(0x62DD62DD, ioaddr + 0xA4); + writel(0x43924392, ioaddr + 0xA8); + writel(0x40094009, ioaddr + 0xAC); + writeb( 0x72, ioaddr + 0xE1); + writew( 0x328A, ioaddr + 0xE2); + writel(0x62DD62DD, ioaddr + 0xE4); + writel(0x43924392, ioaddr + 0xE8); + writel(0x40094009, ioaddr + 0xEC); if (pdev_is_sata(dev)) { - writel(0xFFFF0000, addr + 0x108); - writel(0xFFFF0000, addr + 0x188); - writel(0x00680000, addr + 0x148); - writel(0x00680000, addr + 0x1C8); + writel(0xFFFF0000, ioaddr + 0x108); + writel(0xFFFF0000, ioaddr + 0x188); + writel(0x00680000, ioaddr + 0x148); + writel(0x00680000, ioaddr + 0x1C8); } - tmpbyte = readb(addr + 0x4A); + tmpbyte = readb(ioaddr + 0x4A); proc_reports_siimage(dev, (tmpbyte>>4), name); return 1; @@ -877,7 +827,7 @@ static unsigned int __devinit init_chipset_siimage(struct pci_dev *dev, const ch * time. * * The hardware supports buffered taskfiles and also some rather nice - * extended PRD tables. Unfortunately right now we don't. + * extended PRD tables. For better SI3112 support use the libata driver */ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif) @@ -900,12 +850,11 @@ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif) * the MMIO layout isnt the same as the the standard port * based I/O */ - + memset(&hw, 0, sizeof(hw_regs_t)); - hw.priv = addr; - base = (unsigned long)addr; - if(ch) + base = (unsigned long)addr; + if (ch) base += 0xC0; else base += 0x80; @@ -915,9 +864,6 @@ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif) * so we can't currently use it sanely since we want to * use LBA48 mode. */ -// base += 0x10; -// hwif->no_lba48 = 1; - hw.io_ports[IDE_DATA_OFFSET] = base; hw.io_ports[IDE_ERROR_OFFSET] = base + 1; hw.io_ports[IDE_NSECTOR_OFFSET] = base + 2; @@ -930,16 +876,16 @@ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif) hw.io_ports[IDE_IRQ_OFFSET] = 0; - if (pdev_is_sata(dev)) { - base = (unsigned long) addr; - if(ch) - base += 0x80; - hw.sata_scr[SATA_STATUS_OFFSET] = base + 0x104; - hw.sata_scr[SATA_ERROR_OFFSET] = base + 0x108; - hw.sata_scr[SATA_CONTROL_OFFSET]= base + 0x100; - hw.sata_misc[SATA_MISC_OFFSET] = base + 0x140; - hw.sata_misc[SATA_PHY_OFFSET] = base + 0x144; - hw.sata_misc[SATA_IEN_OFFSET] = base + 0x148; + if (pdev_is_sata(dev)) { + base = (unsigned long)addr; + if (ch) + base += 0x80; + hwif->sata_scr[SATA_STATUS_OFFSET] = base + 0x104; + hwif->sata_scr[SATA_ERROR_OFFSET] = base + 0x108; + hwif->sata_scr[SATA_CONTROL_OFFSET] = base + 0x100; + hwif->sata_misc[SATA_MISC_OFFSET] = base + 0x140; + hwif->sata_misc[SATA_PHY_OFFSET] = base + 0x144; + hwif->sata_misc[SATA_IEN_OFFSET] = base + 0x148; } hw.irq = hwif->pci_dev->irq; @@ -947,24 +893,11 @@ static void __devinit init_mmio_iops_siimage(ide_hwif_t *hwif) memcpy(&hwif->hw, &hw, sizeof(hw)); memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->hw.io_ports)); - if (is_sata(hwif)) { - memcpy(hwif->sata_scr, hwif->hw.sata_scr, sizeof(hwif->hw.sata_scr)); - memcpy(hwif->sata_misc, hwif->hw.sata_misc, sizeof(hwif->hw.sata_misc)); - } - hwif->irq = hw.irq; base = (unsigned long) addr; -#ifdef SIIMAGE_LARGE_DMA -/* Watch the brackets - even Ken and Dennis get some language design wrong */ - hwif->dma_base = base + (ch ? 0x18 : 0x10); - hwif->dma_base2 = base + (ch ? 0x08 : 0x00); - hwif->dma_prdtable = hwif->dma_base2 + 4; -#else /* ! SIIMAGE_LARGE_DMA */ hwif->dma_base = base + (ch ? 0x08 : 0x00); - hwif->dma_base2 = base + (ch ? 0x18 : 0x10); -#endif /* SIIMAGE_LARGE_DMA */ hwif->mmio = 2; } @@ -989,6 +922,22 @@ static int is_dev_seagate_sata(ide_drive_t *drive) return 0; } +/** + * siimage_fixup - post probe fixups + * @hwif: interface to fix up + * + * Called after drive probe we use this to decide whether the + * Seagate fixup must be applied. This used to be in init_iops but + * that can occur before we know what drives are present. + */ + +static void __devinit siimage_fixup(ide_hwif_t *hwif) +{ + /* Try and raise the rqsize */ + if (!is_sata(hwif) || !is_dev_seagate_sata(&hwif->drives[0])) + hwif->rqsize = 128; +} + /** * init_iops_siimage - set up iops * @hwif: interface to set up @@ -1009,9 +958,8 @@ static void __devinit init_iops_siimage(ide_hwif_t *hwif) hwif->hwif_data = NULL; - hwif->rqsize = 128; - if (is_sata(hwif) && is_dev_seagate_sata(&hwif->drives[0])) - hwif->rqsize = 15; + /* Pessimal until we finish probing */ + hwif->rqsize = 15; if (pci_get_drvdata(dev) == NULL) return; @@ -1057,9 +1005,16 @@ static void __devinit init_hwif_siimage(ide_hwif_t *hwif) hwif->reset_poll = &siimage_reset_poll; hwif->pre_reset = &siimage_pre_reset; - if(is_sata(hwif)) + if(is_sata(hwif)) { + static int first = 1; + hwif->busproc = &siimage_busproc; + if (first) { + printk(KERN_INFO "siimage: For full SATA support you should use the libata sata_sil module.\n"); + first = 0; + } + } if (!hwif->dma_base) { hwif->drives[0].autotune = 1; hwif->drives[1].autotune = 1; @@ -1079,7 +1034,6 @@ static void __devinit init_hwif_siimage(ide_hwif_t *hwif) if (hwif->mmio) { hwif->ide_dma_test_irq = &siimage_mmio_ide_dma_test_irq; - hwif->ide_dma_verbose = &siimage_mmio_ide_dma_verbose; } else { hwif->ide_dma_test_irq = & siimage_io_ide_dma_test_irq; } @@ -1100,6 +1054,7 @@ static void __devinit init_hwif_siimage(ide_hwif_t *hwif) .init_chipset = init_chipset_siimage, \ .init_iops = init_iops_siimage, \ .init_hwif = init_hwif_siimage, \ + .fixup = siimage_fixup, \ .channels = 2, \ .autodma = AUTODMA, \ .bootable = ON_BOARD, \ @@ -1122,8 +1077,7 @@ static ide_pci_device_t siimage_chipsets[] __devinitdata = { static int __devinit siimage_init_one(struct pci_dev *dev, const struct pci_device_id *id) { - ide_setup_pci_device(dev, &siimage_chipsets[id->driver_data]); - return 0; + return ide_setup_pci_device(dev, &siimage_chipsets[id->driver_data]); } static struct pci_device_id siimage_pci_tbl[] = { @@ -1137,12 +1091,12 @@ static struct pci_device_id siimage_pci_tbl[] = { MODULE_DEVICE_TABLE(pci, siimage_pci_tbl); static struct pci_driver driver = { - .name = "SiI IDE", + .name = "SiI_IDE", .id_table = siimage_pci_tbl, .probe = siimage_init_one, }; -static int siimage_ide_init(void) +static int __init siimage_ide_init(void) { return ide_pci_register_driver(&driver); }