/*- * SPDX-License-Identifier: BSD-2-Clause * * 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 #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_ali_chipinit(device_t dev); static int ata_ali_chipdeinit(device_t dev); static int ata_ali_ch_attach(device_t dev); static int ata_ali_sata_ch_attach(device_t dev); static void ata_ali_reset(device_t dev); static int ata_ali_setmode(device_t dev, int target, int mode); /* misc defines */ #define ALI_OLD 0x01 #define ALI_NEW 0x02 #define ALI_SATA 0x04 struct ali_sata_resources { struct resource *bars[4]; }; /* * Acer Labs Inc (ALI) chipset support functions */ static int ata_ali_probe(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); static const struct ata_chip_id ids[] = {{ ATA_ALI_5289, 0x00, 2, ALI_SATA, ATA_SA150, "M5289" }, { ATA_ALI_5288, 0x00, 4, ALI_SATA, ATA_SA300, "M5288" }, { ATA_ALI_5287, 0x00, 4, ALI_SATA, ATA_SA150, "M5287" }, { ATA_ALI_5281, 0x00, 2, ALI_SATA, ATA_SA150, "M5281" }, { ATA_ALI_5228, 0xc5, 0, ALI_NEW, ATA_UDMA6, "M5228" }, { ATA_ALI_5229, 0xc5, 0, ALI_NEW, ATA_UDMA6, "M5229" }, { ATA_ALI_5229, 0xc4, 0, ALI_NEW, ATA_UDMA5, "M5229" }, { ATA_ALI_5229, 0xc2, 0, ALI_NEW, ATA_UDMA4, "M5229" }, { ATA_ALI_5229, 0x20, 0, ALI_OLD, ATA_UDMA2, "M5229" }, { ATA_ALI_5229, 0x00, 0, ALI_OLD, ATA_WDMA2, "M5229" }, { 0, 0, 0, 0, 0, 0}}; if (pci_get_vendor(dev) != ATA_ACER_LABS_ID) return ENXIO; if (!(ctlr->chip = ata_match_chip(dev, ids))) return ENXIO; ata_set_desc(dev); ctlr->chipinit = ata_ali_chipinit; ctlr->chipdeinit = ata_ali_chipdeinit; return (BUS_PROBE_LOW_PRIORITY); } static int ata_ali_chipinit(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); struct ali_sata_resources *res; int i, rid; if (ata_setup_interrupt(dev, ata_generic_intr)) return ENXIO; switch (ctlr->chip->cfg2) { case ALI_SATA: ctlr->channels = ctlr->chip->cfg1; ctlr->ch_attach = ata_ali_sata_ch_attach; ctlr->ch_detach = ata_pci_ch_detach; ctlr->setmode = ata_sata_setmode; ctlr->getrev = ata_sata_getrev; /* Allocate resources for later use by channel attach routines. */ res = malloc(sizeof(struct ali_sata_resources), M_ATAPCI, M_WAITOK); for (i = 0; i < 4; i++) { rid = PCIR_BAR(i); res->bars[i] = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); if (res->bars[i] == NULL) { device_printf(dev, "Failed to allocate BAR %d\n", i); for (i--; i >=0; i--) bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(i), res->bars[i]); free(res, M_ATAPCI); return ENXIO; } } ctlr->chipset_data = res; break; case ALI_NEW: /* use device interrupt as byte count end */ pci_write_config(dev, 0x4a, pci_read_config(dev, 0x4a, 1) | 0x20, 1); /* enable cable detection and UDMA support on revisions < 0xc7 */ if (ctlr->chip->chiprev < 0xc7) pci_write_config(dev, 0x4b, pci_read_config(dev, 0x4b, 1) | 0x09, 1); /* enable ATAPI UDMA mode (even if we are going to do PIO) */ pci_write_config(dev, 0x53, pci_read_config(dev, 0x53, 1) | (ctlr->chip->chiprev >= 0xc7 ? 0x03 : 0x01), 1); /* only chips with revision > 0xc4 can do 48bit DMA */ if (ctlr->chip->chiprev <= 0xc4) device_printf(dev, "using PIO transfers above 137GB as workaround for " "48bit DMA access bug, expect reduced performance\n"); ctlr->ch_attach = ata_ali_ch_attach; ctlr->ch_detach = ata_pci_ch_detach; ctlr->reset = ata_ali_reset; ctlr->setmode = ata_ali_setmode; break; case ALI_OLD: /* deactivate the ATAPI FIFO and enable ATAPI UDMA */ pci_write_config(dev, 0x53, pci_read_config(dev, 0x53, 1) | 0x03, 1); ctlr->setmode = ata_ali_setmode; break; } return 0; } static int ata_ali_chipdeinit(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); struct ali_sata_resources *res; int i; if (ctlr->chip->cfg2 == ALI_SATA) { res = ctlr->chipset_data; for (i = 0; i < 4; i++) { if (res->bars[i] != NULL) { bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(i), res->bars[i]); } } free(res, M_ATAPCI); ctlr->chipset_data = NULL; } return (0); } static int ata_ali_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); /* setup the usual register normal pci style */ if (ata_pci_ch_attach(dev)) return ENXIO; if (ctlr->chip->cfg2 & ALI_NEW && ctlr->chip->chiprev < 0xc7) ch->flags |= ATA_CHECKS_CABLE; /* older chips can't do 48bit DMA transfers */ if (ctlr->chip->chiprev <= 0xc4) { ch->flags |= ATA_NO_48BIT_DMA; if (ch->dma.max_iosize > 256 * 512) ch->dma.max_iosize = 256 * 512; } if (ctlr->chip->cfg2 & ALI_NEW) ch->flags |= ATA_NO_ATAPI_DMA; return 0; } static int ata_ali_sata_ch_attach(device_t dev) { device_t parent = device_get_parent(dev); struct ata_pci_controller *ctlr = device_get_softc(parent); struct ata_channel *ch = device_get_softc(dev); struct ali_sata_resources *res; struct resource *io = NULL, *ctlio = NULL; int unit01 = (ch->unit & 1), unit10 = (ch->unit & 2); int i; res = ctlr->chipset_data; if (unit01) { io = res->bars[2]; ctlio = res->bars[3]; } else { io = res->bars[0]; ctlio = res->bars[1]; } ata_pci_dmainit(dev); for (i = ATA_DATA; i <= ATA_COMMAND; i ++) { ch->r_io[i].res = io; ch->r_io[i].offset = i + (unit10 ? 8 : 0); } ch->r_io[ATA_CONTROL].res = ctlio; ch->r_io[ATA_CONTROL].offset = 2 + (unit10 ? 4 : 0); ch->r_io[ATA_IDX_ADDR].res = io; ata_default_registers(dev); if (ctlr->r_res1) { for (i = ATA_BMCMD_PORT; i <= ATA_BMDTP_PORT; i++) { ch->r_io[i].res = ctlr->r_res1; ch->r_io[i].offset = (i - ATA_BMCMD_PORT)+(ch->unit * ATA_BMIOSIZE); } } ch->flags |= ATA_NO_SLAVE; ch->flags |= ATA_SATA; /* XXX SOS PHY handling awkward in ALI chip not supported yet */ ata_pci_hw(dev); return 0; } static void ata_ali_reset(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); device_t *children; int nchildren, i; ata_generic_reset(dev); /* * workaround for datacorruption bug found on at least SUN Blade-100 * find the ISA function on the southbridge and disable then enable * the ATA channel tristate buffer */ if (ctlr->chip->chiprev == 0xc3 || ctlr->chip->chiprev == 0xc2) { if (!device_get_children(GRANDPARENT(dev), &children, &nchildren)) { for (i = 0; i < nchildren; i++) { if (pci_get_devid(children[i]) == ATA_ALI_1533) { pci_write_config(children[i], 0x58, pci_read_config(children[i], 0x58, 1) & ~(0x04 << ch->unit), 1); pci_write_config(children[i], 0x58, pci_read_config(children[i], 0x58, 1) | (0x04 << ch->unit), 1); break; } } free(children, M_TEMP); } } } static int ata_ali_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 piomode; static const uint32_t piotimings[] = { 0x006d0003, 0x00580002, 0x00440001, 0x00330001, 0x00310001, 0x006d0003, 0x00330001, 0x00310001 }; static const uint8_t udma[] = {0x0c, 0x0b, 0x0a, 0x09, 0x08, 0x0f, 0x0d}; uint32_t word54; mode = min(mode, ctlr->chip->max_dma); if (ctlr->chip->cfg2 & ALI_NEW && ctlr->chip->chiprev < 0xc7) { if (ata_dma_check_80pin && mode > ATA_UDMA2 && pci_read_config(parent, 0x4a, 1) & (1 << ch->unit)) { ata_print_cable(dev, "controller"); mode = ATA_UDMA2; } } if (ctlr->chip->cfg2 & ALI_OLD) { /* doesn't support ATAPI DMA on write */ ch->flags |= ATA_ATAPI_DMA_RO; if (ch->devices & ATA_ATAPI_MASTER && ch->devices & ATA_ATAPI_SLAVE) { /* doesn't support ATAPI DMA on two ATAPI devices */ device_printf(dev, "two atapi devices on this channel," " no DMA\n"); mode = min(mode, ATA_PIO_MAX); } } /* Set UDMA mode */ word54 = pci_read_config(parent, 0x54, 4); if (mode >= ATA_UDMA0) { word54 &= ~(0x000f000f << (devno << 2)); word54 |= (((udma[mode&ATA_MODE_MASK]<<16)|0x05)<<(devno<<2)); piomode = ATA_PIO4; } else { word54 &= ~(0x0008000f << (devno << 2)); piomode = mode; } pci_write_config(parent, 0x54, word54, 4); /* Set PIO/WDMA mode */ pci_write_config(parent, 0x58 + (ch->unit << 2), piotimings[ata_mode2idx(piomode)], 4); return (mode); } ATA_DECLARE_DRIVER(ata_ali);