/*- * 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. */ #include __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* local prototypes */ static int ata_ati_chipinit(device_t dev); static int ata_ati_dumb_ch_attach(device_t dev); static int ata_ati_ixp700_ch_attach(device_t dev); static int ata_ati_setmode(device_t dev, int target, int mode); /* misc defines */ #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 static int force_ahci = 1; TUNABLE_INT("hw.ahci.force", &force_ahci); /* * ATI chipset support functions */ static int ata_ati_probe(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_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" }, { ATA_AMD_HUDSON2, 0x00, ATI_PATA, 0, ATA_UDMA6, "Hudson-2" }, { ATA_AMD_HUDSON2_S1, 0x00, ATI_AHCI, 0, ATA_SA300, "Hudson-2" }, { ATA_AMD_HUDSON2_S2, 0x00, ATI_AHCI, 0, ATA_SA300, "Hudson-2" }, { ATA_AMD_HUDSON2_S3, 0x00, ATI_AHCI, 0, ATA_SA300, "Hudson-2" }, { ATA_AMD_HUDSON2_S4, 0x00, ATI_AHCI, 0, ATA_SA300, "Hudson-2" }, { ATA_AMD_HUDSON2_S5, 0x00, ATI_AHCI, 0, ATA_SA300, "Hudson-2" }, { 0, 0, 0, 0, 0, 0}}; if (pci_get_vendor(dev) != ATA_AMD_ID && 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 (force_ahci == 1 || pci_get_subclass(dev) != PCIS_STORAGE_IDE) ctlr->chipinit = ata_ahci_chipinit; else ctlr->chipinit = ata_ati_chipinit; break; } return (BUS_PROBE_DEFAULT); } static int ata_ati_chipinit(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); device_t smbdev; uint8_t satacfg; if (ata_setup_interrupt(dev, ata_generic_intr)) return ENXIO; if (ctlr->chip->cfg1 == ATI_AHCI) { ctlr->ch_attach = ata_ati_dumb_ch_attach; ctlr->setmode = ata_sata_setmode; return (0); } switch (ctlr->chip->chipid) { case ATA_ATI_IXP600: /* IXP600 only has 1 PATA channel */ ctlr->channels = 1; break; case ATA_ATI_IXP700: /* * When "combined mode" is enabled, an additional PATA channel is * emulated with two SATA ports and appears on this device. * This mode can only be detected via SMB controller. */ smbdev = pci_find_device(ATA_ATI_ID, 0x4385); if (smbdev != NULL) { satacfg = pci_read_config(smbdev, 0xad, 1); if (bootverbose) device_printf(dev, "SATA controller %s (%s%s channel)\n", (satacfg & 0x01) == 0 ? "disabled" : "enabled", (satacfg & 0x08) == 0 ? "" : "combined mode, ", (satacfg & 0x10) == 0 ? "primary" : "secondary"); ctlr->chipset_data = (void *)(uintptr_t)satacfg; /* * If SATA controller is enabled but combined mode is disabled, * we have only one PATA channel. Ignore a non-existent channel. */ if ((satacfg & 0x09) == 0x01) ctlr->ichannels &= ~(1 << ((satacfg & 0x10) >> 4)); else { ctlr->ch_attach = ata_ati_ixp700_ch_attach; } } break; } ctlr->setmode = ata_ati_setmode; return 0; } static int ata_ati_dumb_ch_attach(device_t dev) { struct ata_channel *ch = device_get_softc(dev); if (ata_pci_ch_attach(dev)) return ENXIO; ch->flags |= ATA_SATA; return (0); } static int ata_ati_ixp700_ch_attach(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); uint8_t satacfg = (uint8_t)(uintptr_t)ctlr->chipset_data; /* Setup the usual register normal pci style. */ if (ata_pci_ch_attach(dev)) return ENXIO; /* One of channels is PATA, another is SATA. */ if (ch->unit == ((satacfg & 0x10) >> 4)) ch->flags |= ATA_SATA; return (0); } static int ata_ati_setmode(device_t dev, int target, int mode) { device_t parent = device_get_parent(dev); struct ata_pci_controller *ctlr = device_get_softc(parent); struct ata_channel *ch = device_get_softc(dev); int devno = (ch->unit << 1) + target; int offset = (devno ^ 0x01) << 3; int piomode; static const uint8_t piotimings[] = { 0x5d, 0x47, 0x34, 0x22, 0x20 }; static const uint8_t dmatimings[] = { 0x77, 0x21, 0x20 }; mode = min(mode, ctlr->chip->max_dma); if (mode >= ATA_UDMA0) { /* Set UDMA mode, enable UDMA, set WDMA2/PIO4 */ pci_write_config(parent, 0x56, (pci_read_config(parent, 0x56, 2) & ~(0xf << (devno << 2))) | ((mode & ATA_MODE_MASK) << (devno << 2)), 2); pci_write_config(parent, 0x54, pci_read_config(parent, 0x54, 1) | (0x01 << devno), 1); pci_write_config(parent, 0x44, (pci_read_config(parent, 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(parent, 0x54, pci_read_config(parent, 0x54, 1) & ~(0x01 << devno), 1); pci_write_config(parent, 0x44, (pci_read_config(parent, 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(parent, 0x54, pci_read_config(parent, 0x54, 1) & ~(0x01 << devno), 1); piomode = mode; } /* Set PIO mode and timings, calculated above. */ pci_write_config(parent, 0x4a, (pci_read_config(parent, 0x4a, 2) & ~(0xf << (devno << 2))) | ((piomode - ATA_PIO0) << (devno<<2)),2); pci_write_config(parent, 0x40, (pci_read_config(parent, 0x40, 4) & ~(0xff << offset)) | (piotimings[ata_mode2idx(piomode)] << offset), 4); return (mode); } ATA_DECLARE_DRIVER(ata_ati); MODULE_DEPEND(ata_ati, ata_ahci, 1, 1, 1); MODULE_DEPEND(ata_ati, ata_sii, 1, 1, 1);