/*- * Copyright (c) 1998 - 2008 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* local prototypes */ static int ata_ati_chipinit(device_t dev); static void ata_ati_setmode(device_t dev, int mode); /* misc defines */ #undef SII_MEMIO #define SII_MEMIO 1 /* must match ata_siliconimage.c's definition */ #define SII_BUG 0x04 /* must match ata_siliconimage.c's definition */ #define ATI_SATA SII_MEMIO #define ATI_PATA 0x02 #define ATI_AHCI 0x04 /* * ATI chipset support functions */ int ata_ati_ident(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); static const struct ata_chip_id ids[] = {{ ATA_ATI_IXP200, 0x00, ATI_PATA, 0, ATA_UDMA5, "IXP200" }, { ATA_ATI_IXP300, 0x00, ATI_PATA, 0, ATA_UDMA6, "IXP300" }, { ATA_ATI_IXP300_S1, 0x00, ATI_SATA, SII_BUG, ATA_SA150, "IXP300" }, { ATA_ATI_IXP400, 0x00, ATI_PATA, 0, ATA_UDMA6, "IXP400" }, { ATA_ATI_IXP400_S1, 0x00, ATI_SATA, SII_BUG, ATA_SA150, "IXP400" }, { ATA_ATI_IXP400_S2, 0x00, ATI_SATA, SII_BUG, ATA_SA150, "IXP400" }, { ATA_ATI_IXP600, 0x00, ATI_PATA, 0, ATA_UDMA6, "IXP600" }, { ATA_ATI_IXP600_S1, 0x00, ATI_AHCI, 0, ATA_SA300, "IXP600" }, { ATA_ATI_IXP600_S2, 0x00, ATI_AHCI, 0, ATA_SA300, "IXP600" }, { ATA_ATI_IXP700, 0x00, ATI_PATA, 0, ATA_UDMA6, "IXP700/800" }, { ATA_ATI_IXP700_S1, 0x00, ATI_AHCI, 0, ATA_SA300, "IXP700/800" }, { ATA_ATI_IXP700_S2, 0x00, ATI_AHCI, 0, ATA_SA300, "IXP700/800" }, { ATA_ATI_IXP700_S3, 0x00, ATI_AHCI, 0, ATA_SA300, "IXP700/800" }, { ATA_ATI_IXP700_S4, 0x00, ATI_AHCI, 0, ATA_SA300, "IXP700/800" }, { ATA_ATI_IXP800_S1, 0x00, ATI_AHCI, 0, ATA_SA300, "IXP800" }, { ATA_ATI_IXP800_S2, 0x00, ATI_AHCI, 0, ATA_SA300, "IXP800" }, { 0, 0, 0, 0, 0, 0}}; if (pci_get_vendor(dev) != ATA_ATI_ID) return ENXIO; if (!(ctlr->chip = ata_match_chip(dev, ids))) return ENXIO; ata_set_desc(dev); switch (ctlr->chip->cfg1) { case ATI_PATA: ctlr->chipinit = ata_ati_chipinit; break; case ATI_SATA: /* * the ATI SATA controller is actually a SiI 3112 controller */ ctlr->chipinit = ata_sii_chipinit; break; case ATI_AHCI: if (pci_get_subclass(dev) != PCIS_STORAGE_IDE) ctlr->chipinit = ata_ahci_chipinit; else ctlr->chipinit = ata_ati_chipinit; break; } return 0; } static int ata_ati_chipinit(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); if (ata_setup_interrupt(dev, ata_generic_intr)) return ENXIO; /* IXP600 & IXP700 only have 1 PATA channel */ if ((ctlr->chip->chipid == ATA_ATI_IXP600) || (ctlr->chip->chipid == ATA_ATI_IXP700)) ctlr->channels = 1; /* The SB600 needs special treatment. */ if (ctlr->chip->cfg1 & ATI_AHCI) { /* Check if the chip is configured as an AHCI part. */ if ((pci_get_subclass(dev) == PCIS_STORAGE_SATA) && (pci_read_config(dev, PCIR_PROGIF, 1) == PCIP_STORAGE_SATA_AHCI_1_0)) { ctlr->setmode = ata_sata_setmode; if (ata_ahci_chipinit(dev) != ENXIO) return 0; } } ctlr->setmode = ata_ati_setmode; return 0; } static void ata_ati_setmode(device_t dev, int mode) { device_t gparent = GRANDPARENT(dev); struct ata_pci_controller *ctlr = device_get_softc(gparent); struct ata_channel *ch = device_get_softc(device_get_parent(dev)); struct ata_device *atadev = device_get_softc(dev); int devno = (ch->unit << 1) + atadev->unit; int offset = (devno ^ 0x01) << 3; int error; int piomode; static const uint8_t piotimings[] = { 0x5d, 0x47, 0x34, 0x22, 0x20, 0x34, 0x22, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 }; static const uint8_t dmatimings[] = { 0x77, 0x21, 0x20 }; mode = ata_limit_mode(dev, mode, ctlr->chip->max_dma); mode = ata_check_80pin(dev, mode); error = ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); if (bootverbose) device_printf(dev, "%ssetting %s on %s chip\n", (error) ? "FAILURE " : "", ata_mode2str(mode), ctlr->chip->text); if (!error) { if (mode >= ATA_UDMA0) { /* Set UDMA mode, enable UDMA, set WDMA2/PIO4 */ pci_write_config(gparent, 0x56, (pci_read_config(gparent, 0x56, 2) & ~(0xf << (devno << 2))) | ((mode & ATA_MODE_MASK) << (devno << 2)), 2); pci_write_config(gparent, 0x54, pci_read_config(gparent, 0x54, 1) | (0x01 << devno), 1); pci_write_config(gparent, 0x44, (pci_read_config(gparent, 0x44, 4) & ~(0xff << offset)) | (dmatimings[2] << offset), 4); piomode = ATA_PIO4; } else if (mode >= ATA_WDMA0) { /* Disable UDMA, set WDMA mode and timings, calculate PIO. */ pci_write_config(gparent, 0x54, pci_read_config(gparent, 0x54, 1) & ~(0x01 << devno), 1); pci_write_config(gparent, 0x44, (pci_read_config(gparent, 0x44, 4) & ~(0xff << offset)) | (dmatimings[mode & ATA_MODE_MASK] << offset), 4); piomode = (mode == ATA_WDMA0) ? ATA_PIO0 : (mode == ATA_WDMA1) ? ATA_PIO3 : ATA_PIO4; } else { /* Disable UDMA, set requested PIO. */ pci_write_config(gparent, 0x54, pci_read_config(gparent, 0x54, 1) & ~(0x01 << devno), 1); piomode = mode; } /* Set PIO mode and timings, calculated above. */ pci_write_config(gparent, 0x4a, (pci_read_config(gparent, 0x4a, 2) & ~(0xf << (devno << 2))) | ((piomode - ATA_PIO0) << (devno<<2)),2); pci_write_config(gparent, 0x40, (pci_read_config(gparent, 0x40, 4) & ~(0xff << offset)) | (piotimings[ata_mode2idx(piomode)] << offset), 4); atadev->mode = mode; } }