/*- * 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_cmd_allocate(device_t dev); static int ata_cmd_status(device_t dev); static void ata_cmd_setmode(device_t dev, int mode); static int ata_sii_allocate(device_t dev); static int ata_sii_status(device_t dev); static void ata_sii_reset(device_t dev); static void ata_sii_setmode(device_t dev, int mode); static int ata_siiprb_allocate(device_t dev); static int ata_siiprb_status(device_t dev); static int ata_siiprb_begin_transaction(struct ata_request *request); static int ata_siiprb_end_transaction(struct ata_request *request); static u_int32_t ata_siiprb_softreset(device_t dev, int port); static void ata_siiprb_reset(device_t dev); static void ata_siiprb_dmasetprd(void *xsc, bus_dma_segment_t *segs, int nsegs, int error); static void ata_siiprb_dmainit(device_t dev); /* misc defines */ #undef SII_MEMIO #define SII_MEMIO 1 #define SII_PRBIO 2 #define SII_INTR 0x01 #define SII_SETCLK 0x02 #define SII_BUG 0x04 #define SII_4CH 0x08 /* * Silicon Image Inc. (SiI) (former CMD) chipset support functions */ int ata_sii_ident(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); static const struct ata_chip_id ids[] = {{ ATA_SII3114, 0x00, SII_MEMIO, SII_4CH, ATA_SA150, "SiI 3114" }, { ATA_SII3512, 0x02, SII_MEMIO, 0, ATA_SA150, "SiI 3512" }, { ATA_SII3112, 0x02, SII_MEMIO, 0, ATA_SA150, "SiI 3112" }, { ATA_SII3112_1, 0x02, SII_MEMIO, 0, ATA_SA150, "SiI 3112" }, { ATA_SII3512, 0x00, SII_MEMIO, SII_BUG, ATA_SA150, "SiI 3512" }, { ATA_SII3112, 0x00, SII_MEMIO, SII_BUG, ATA_SA150, "SiI 3112" }, { ATA_SII3112_1, 0x00, SII_MEMIO, SII_BUG, ATA_SA150, "SiI 3112" }, { ATA_SII3124, 0x00, SII_PRBIO, SII_4CH, ATA_SA300, "SiI 3124" }, { ATA_SII3132, 0x00, SII_PRBIO, 0, ATA_SA300, "SiI 3132" }, { ATA_SII3132_1, 0x00, SII_PRBIO, 0, ATA_SA300, "SiI 3132" }, { ATA_SII3132_2, 0x00, SII_PRBIO, 0, ATA_SA300, "SiI 3132" }, { ATA_SII0680, 0x00, SII_MEMIO, SII_SETCLK, ATA_UDMA6, "SiI 0680" }, { ATA_CMD649, 0x00, 0, SII_INTR, ATA_UDMA5, "CMD 649" }, { ATA_CMD648, 0x00, 0, SII_INTR, ATA_UDMA4, "CMD 648" }, { ATA_CMD646, 0x07, 0, 0, ATA_UDMA2, "CMD 646U2" }, { ATA_CMD646, 0x00, 0, 0, ATA_WDMA2, "CMD 646" }, { 0, 0, 0, 0, 0, 0}}; if (pci_get_vendor(dev) != ATA_SILICON_IMAGE_ID) return ENXIO; if (!(ctlr->chip = ata_match_chip(dev, ids))) return ENXIO; ata_set_desc(dev); ctlr->chipinit = ata_sii_chipinit; return 0; } static int ata_sii_chipinit(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(dev); if (ata_setup_interrupt(dev, ata_generic_intr)) return ENXIO; switch (ctlr->chip->cfg1) { case SII_PRBIO: ctlr->r_type1 = SYS_RES_MEMORY; ctlr->r_rid1 = PCIR_BAR(0); if (!(ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1, &ctlr->r_rid1, RF_ACTIVE))){ ata_teardown_interrupt(dev); return ENXIO; } ctlr->r_rid2 = PCIR_BAR(2); ctlr->r_type2 = SYS_RES_MEMORY; if (!(ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2, &ctlr->r_rid2, RF_ACTIVE))){ bus_release_resource(dev, ctlr->r_type1, ctlr->r_rid1,ctlr->r_res1); ata_teardown_interrupt(dev); return ENXIO; } ctlr->allocate = ata_siiprb_allocate; ctlr->reset = ata_siiprb_reset; ctlr->dmainit = ata_siiprb_dmainit; ctlr->setmode = ata_sata_setmode; ctlr->channels = (ctlr->chip->cfg2 == SII_4CH) ? 4 : 2; /* reset controller */ ATA_OUTL(ctlr->r_res1, 0x0040, 0x80000000); DELAY(10000); ATA_OUTL(ctlr->r_res1, 0x0040, 0x0000000f); /* enable PCI interrupt */ pci_write_config(dev, PCIR_COMMAND, pci_read_config(dev, PCIR_COMMAND, 2) & ~0x0400, 2); break; case SII_MEMIO: ctlr->r_type2 = SYS_RES_MEMORY; ctlr->r_rid2 = PCIR_BAR(5); if (!(ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2, &ctlr->r_rid2, RF_ACTIVE))){ if (ctlr->chip->chipid != ATA_SII0680 || (pci_read_config(dev, 0x8a, 1) & 1)) { ata_teardown_interrupt(dev); return ENXIO; } } if (ctlr->chip->cfg2 & SII_SETCLK) { if ((pci_read_config(dev, 0x8a, 1) & 0x30) != 0x10) pci_write_config(dev, 0x8a, (pci_read_config(dev, 0x8a, 1) & 0xcf)|0x10,1); if ((pci_read_config(dev, 0x8a, 1) & 0x30) != 0x10) device_printf(dev, "%s could not set ATA133 clock\n", ctlr->chip->text); } /* if we have 4 channels enable the second set */ if (ctlr->chip->cfg2 & SII_4CH) { ATA_OUTL(ctlr->r_res2, 0x0200, 0x00000002); ctlr->channels = 4; } /* dont block interrupts from any channel */ pci_write_config(dev, 0x48, (pci_read_config(dev, 0x48, 4) & ~0x03c00000), 4); /* enable PCI interrupt as BIOS might not */ pci_write_config(dev, 0x8a, (pci_read_config(dev, 0x8a, 1) & 0x3f), 1); if (ctlr->r_res2) ctlr->allocate = ata_sii_allocate; if (ctlr->chip->max_dma >= ATA_SA150) { ctlr->reset = ata_sii_reset; ctlr->setmode = ata_sata_setmode; } else ctlr->setmode = ata_sii_setmode; break; default: if ((pci_read_config(dev, 0x51, 1) & 0x08) != 0x08) { device_printf(dev, "HW has secondary channel disabled\n"); ctlr->channels = 1; } /* enable interrupt as BIOS might not */ pci_write_config(dev, 0x71, 0x01, 1); ctlr->allocate = ata_cmd_allocate; ctlr->setmode = ata_cmd_setmode; break; } return 0; } static int ata_cmd_allocate(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_allocate(dev)) return ENXIO; if (ctlr->chip->cfg2 & SII_INTR) ch->hw.status = ata_cmd_status; return 0; } static int ata_cmd_status(device_t dev) { struct ata_channel *ch = device_get_softc(dev); u_int8_t reg71; if (((reg71 = pci_read_config(device_get_parent(ch->dev), 0x71, 1)) & (ch->unit ? 0x08 : 0x04))) { pci_write_config(device_get_parent(ch->dev), 0x71, reg71 & ~(ch->unit ? 0x04 : 0x08), 1); return ata_pci_status(dev); } return 0; } static void ata_cmd_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 error; int treg = 0x54 + ((devno < 3) ? (devno << 1) : 7); int ureg = ch->unit ? 0x7b : 0x73; static const uint8_t piotimings[] = { 0xa9, 0x57, 0x44, 0x32, 0x3f }; static const uint8_t dmatimings[] = { 0x87, 0x32, 0x3f }; static const uint8_t udmatimings[][2] = { { 0x31, 0xc2 }, { 0x21, 0x82 }, { 0x11, 0x42 }, { 0x25, 0x8a }, { 0x15, 0x4a }, { 0x05, 0x0a } }; 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) { u_int8_t umode = pci_read_config(gparent, ureg, 1); umode &= ~(atadev->unit == ATA_MASTER ? 0x35 : 0xca); umode |= udmatimings[mode & ATA_MODE_MASK][atadev->unit]; pci_write_config(gparent, ureg, umode, 1); } else if (mode >= ATA_WDMA0) { pci_write_config(gparent, treg, dmatimings[mode & ATA_MODE_MASK],1); pci_write_config(gparent, ureg, pci_read_config(gparent, ureg, 1) & ~(atadev->unit == ATA_MASTER ? 0x35 : 0xca), 1); } else { pci_write_config(gparent, treg, piotimings[(mode & ATA_MODE_MASK) - ATA_PIO0], 1); pci_write_config(gparent, ureg, pci_read_config(gparent, ureg, 1) & ~(atadev->unit == ATA_MASTER ? 0x35 : 0xca), 1); } atadev->mode = mode; } } static int ata_sii_allocate(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); int unit01 = (ch->unit & 1), unit10 = (ch->unit & 2); int i; for (i = ATA_DATA; i <= ATA_COMMAND; i++) { ch->r_io[i].res = ctlr->r_res2; ch->r_io[i].offset = 0x80 + i + (unit01 << 6) + (unit10 << 8); } ch->r_io[ATA_CONTROL].res = ctlr->r_res2; ch->r_io[ATA_CONTROL].offset = 0x8a + (unit01 << 6) + (unit10 << 8); ch->r_io[ATA_IDX_ADDR].res = ctlr->r_res2; ata_default_registers(dev); ch->r_io[ATA_BMCMD_PORT].res = ctlr->r_res2; ch->r_io[ATA_BMCMD_PORT].offset = 0x00 + (unit01 << 3) + (unit10 << 8); ch->r_io[ATA_BMSTAT_PORT].res = ctlr->r_res2; ch->r_io[ATA_BMSTAT_PORT].offset = 0x02 + (unit01 << 3) + (unit10 << 8); ch->r_io[ATA_BMDTP_PORT].res = ctlr->r_res2; ch->r_io[ATA_BMDTP_PORT].offset = 0x04 + (unit01 << 3) + (unit10 << 8); if (ctlr->chip->max_dma >= ATA_SA150) { ch->r_io[ATA_SSTATUS].res = ctlr->r_res2; ch->r_io[ATA_SSTATUS].offset = 0x104 + (unit01 << 7) + (unit10 << 8); ch->r_io[ATA_SERROR].res = ctlr->r_res2; ch->r_io[ATA_SERROR].offset = 0x108 + (unit01 << 7) + (unit10 << 8); ch->r_io[ATA_SCONTROL].res = ctlr->r_res2; ch->r_io[ATA_SCONTROL].offset = 0x100 + (unit01 << 7) + (unit10 << 8); ch->flags |= ATA_NO_SLAVE; /* enable PHY state change interrupt */ ATA_OUTL(ctlr->r_res2, 0x148 + (unit01 << 7) + (unit10 << 8),(1 << 16)); } if ((ctlr->chip->cfg2 & SII_BUG) && ch->dma) { /* work around errata in early chips */ ch->dma->boundary = 8192; ch->dma->segsize = 15 * DEV_BSIZE; } ata_pci_hw(dev); ch->hw.status = ata_sii_status; return 0; } static int ata_sii_status(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); int offset0 = ((ch->unit & 1) << 3) + ((ch->unit & 2) << 8); int offset1 = ((ch->unit & 1) << 6) + ((ch->unit & 2) << 8); /* do we have any PHY events ? */ if (ctlr->chip->max_dma >= ATA_SA150 && (ATA_INL(ctlr->r_res2, 0x10 + offset0) & 0x00000010)) ata_sata_phy_check_events(dev); if (ATA_INL(ctlr->r_res2, 0xa0 + offset1) & 0x00000800) return ata_pci_status(dev); else return 0; } static void ata_sii_reset(device_t dev) { if (ata_sata_phy_reset(dev)) ata_generic_reset(dev); } static void ata_sii_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 rego = (ch->unit << 4) + (atadev->unit << 1); int mreg = ch->unit ? 0x84 : 0x80; int mask = 0x03 << (atadev->unit << 2); int mval = pci_read_config(gparent, mreg, 1) & ~mask; int error; u_int8_t preg = 0xa4 + rego; u_int8_t dreg = 0xa8 + rego; u_int8_t ureg = 0xac + rego; static const uint16_t piotimings[] = { 0x328a, 0x2283, 0x1104, 0x10c3, 0x10c1 }; static const uint16_t dmatimings[] = { 0x2208, 0x10c2, 0x10c1 }; static const uint8_t udmatimings[] = { 0xf, 0xb, 0x7, 0x5, 0x3, 0x2, 0x1 }; mode = ata_limit_mode(dev, mode, ctlr->chip->max_dma); if (ctlr->chip->cfg2 & SII_SETCLK) { if (mode > ATA_UDMA2 && (pci_read_config(gparent, 0x79, 1) & (ch->unit ? 0x02 : 0x01))) { ata_print_cable(dev, "controller"); mode = ATA_UDMA2; } } else 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) return; if (mode >= ATA_UDMA0) { pci_write_config(gparent, mreg, mval | (0x03 << (atadev->unit << 2)), 1); pci_write_config(gparent, ureg, (pci_read_config(gparent, ureg, 1) & ~0x3f) | udmatimings[mode & ATA_MODE_MASK], 1); } else if (mode >= ATA_WDMA0) { pci_write_config(gparent, mreg, mval | (0x02 << (atadev->unit << 2)), 1); pci_write_config(gparent, dreg, dmatimings[mode & ATA_MODE_MASK], 2); } else { pci_write_config(gparent, mreg, mval | (0x01 << (atadev->unit << 2)), 1); pci_write_config(gparent, preg, piotimings[mode & ATA_MODE_MASK], 2); } atadev->mode = mode; } struct ata_siiprb_dma_prdentry { u_int64_t addr; u_int32_t count; u_int32_t control; } __packed; #define ATA_SIIPRB_DMA_ENTRIES 125 struct ata_siiprb_ata_command { struct ata_siiprb_dma_prdentry prd[ATA_SIIPRB_DMA_ENTRIES]; } __packed; struct ata_siiprb_atapi_command { u_int8_t ccb[16]; struct ata_siiprb_dma_prdentry prd[ATA_SIIPRB_DMA_ENTRIES]; } __packed; struct ata_siiprb_command { u_int16_t control; u_int16_t protocol_override; u_int32_t transfer_count; u_int8_t fis[24]; union { struct ata_siiprb_ata_command ata; struct ata_siiprb_atapi_command atapi; } u; } __packed; static int ata_siiprb_allocate(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); int offset = ch->unit * 0x2000; /* set the SATA resources */ ch->r_io[ATA_SSTATUS].res = ctlr->r_res2; ch->r_io[ATA_SSTATUS].offset = 0x1f04 + offset; ch->r_io[ATA_SERROR].res = ctlr->r_res2; ch->r_io[ATA_SERROR].offset = 0x1f08 + offset; ch->r_io[ATA_SCONTROL].res = ctlr->r_res2; ch->r_io[ATA_SCONTROL].offset = 0x1f00 + offset; ch->r_io[ATA_SACTIVE].res = ctlr->r_res2; ch->r_io[ATA_SACTIVE].offset = 0x1f0c + offset; ch->hw.status = ata_siiprb_status; ch->hw.begin_transaction = ata_siiprb_begin_transaction; ch->hw.end_transaction = ata_siiprb_end_transaction; ch->hw.command = NULL; /* not used here */ ch->hw.softreset = ata_siiprb_softreset; return 0; } static int ata_siiprb_status(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); u_int32_t action = ATA_INL(ctlr->r_res1, 0x0044); int offset = ch->unit * 0x2000; if (action & (1 << ch->unit)) { u_int32_t istatus = ATA_INL(ctlr->r_res2, 0x1008 + offset); /* do we have any PHY events ? */ ata_sata_phy_check_events(dev); /* clear interrupt(s) */ ATA_OUTL(ctlr->r_res2, 0x1008 + offset, istatus); /* do we have any device action ? */ return (istatus & 0x00000003); } return 0; } static int ata_siiprb_begin_transaction(struct ata_request *request) { struct ata_pci_controller *ctlr=device_get_softc(GRANDPARENT(request->dev)); struct ata_channel *ch = device_get_softc(request->parent); struct ata_siiprb_command *prb; struct ata_siiprb_dma_prdentry *prd; int offset = ch->unit * 0x2000; u_int64_t prb_bus; int dummy; /* SOS XXX */ if (request->u.ata.command == ATA_DEVICE_RESET) { request->result = 0; return ATA_OP_FINISHED; } /* check for 48 bit access and convert if needed */ ata_modify_if_48bit(request); /* get a piece of the workspace for this request */ prb = (struct ata_siiprb_command *)ch->dma->work; /* set basic prd options ata/atapi etc etc */ bzero(prb, sizeof(struct ata_siiprb_command)); /* setup the FIS for this request */ if (!ata_request2fis_h2d(request, &prb->fis[0])) { device_printf(request->dev, "setting up SATA FIS failed\n"); request->result = EIO; return ATA_OP_FINISHED; } /* setup transfer type */ if (request->flags & ATA_R_ATAPI) { struct ata_device *atadev = device_get_softc(request->dev); bcopy(request->u.atapi.ccb, prb->u.atapi.ccb, 16); if ((atadev->param.config & ATA_PROTO_MASK) == ATA_PROTO_ATAPI_12) ATA_OUTL(ctlr->r_res2, 0x1004 + offset, 0x00000020); else ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x00000020); if (request->flags & ATA_R_READ) prb->control = htole16(0x0010); if (request->flags & ATA_R_WRITE) prb->control = htole16(0x0020); prd = &prb->u.atapi.prd[0]; } else prd = &prb->u.ata.prd[0]; /* if request moves data setup and load SG list */ if (request->flags & (ATA_R_READ | ATA_R_WRITE)) { if (ch->dma->load(ch->dev, request->data, request->bytecount, request->flags & ATA_R_READ, prd, &dummy)) { device_printf(request->dev, "setting up DMA failed\n"); request->result = EIO; return ATA_OP_FINISHED; } } /* activate the prb */ prb_bus = ch->dma->work_bus; ATA_OUTL(ctlr->r_res2, 0x1c00 + offset, prb_bus); ATA_OUTL(ctlr->r_res2, 0x1c04 + offset, prb_bus>>32); /* start the timeout */ callout_reset(&request->callout, request->timeout * hz, (timeout_t*)ata_timeout, request); return ATA_OP_CONTINUES; } static int ata_siiprb_end_transaction(struct ata_request *request) { struct ata_pci_controller *ctlr=device_get_softc(GRANDPARENT(request->dev)); struct ata_channel *ch = device_get_softc(request->parent); struct ata_siiprb_command *prb; int offset = ch->unit * 0x2000; int error, timeout; /* kill the timeout */ callout_stop_sync(&request->callout); prb = (struct ata_siiprb_command *) ((u_int8_t *)rman_get_virtual(ctlr->r_res2) + offset); /* any controller errors flagged ? */ if ((error = ATA_INL(ctlr->r_res2, 0x1024 + offset))) { if (bootverbose) kprintf("ata_siiprb_end_transaction %s error=%08x\n", ata_cmd2str(request), error); /* if device error status get details */ if (error == 1 || error == 2) { request->status = prb->fis[2]; if (request->status & ATA_S_ERROR) request->error = prb->fis[3]; } /* SOS XXX handle other controller errors here */ /* initialize port */ ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x00000004); /* poll for port ready */ for (timeout = 0; timeout < 1000; timeout++) { DELAY(1000); if (ATA_INL(ctlr->r_res2, 0x1008 + offset) & 0x00040000) break; } if (bootverbose) { if (timeout >= 1000) device_printf(ch->dev, "port initialize timeout\n"); else device_printf(ch->dev, "port initialize time=%dms\n", timeout); } } /* update progress */ if (!(request->status & ATA_S_ERROR) && !(request->flags & ATA_R_TIMEOUT)) { if (request->flags & ATA_R_READ) request->donecount = prb->transfer_count; else request->donecount = request->bytecount; } /* release SG list etc */ ch->dma->unload(ch->dev); return ATA_OP_FINISHED; } static int ata_siiprb_issue_cmd(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); u_int64_t prb_bus = ch->dma->work_bus; u_int32_t status; int offset = ch->unit * 0x2000; int timeout; /* issue command to chip */ ATA_OUTL(ctlr->r_res2, 0x1c00 + offset, prb_bus); ATA_OUTL(ctlr->r_res2, 0x1c04 + offset, prb_bus >> 32); /* poll for command finished */ for (timeout = 0; timeout < 10000; timeout++) { DELAY(1000); if ((status = ATA_INL(ctlr->r_res2, 0x1008 + offset)) & 0x00010000) break; } if (timeout >= 1000) return EIO; if (bootverbose) device_printf(ch->dev, "ata_siiprb_issue_cmd time=%dms status=%08x\n", timeout, status); return 0; } static u_int32_t ata_siiprb_softreset(device_t dev, int port) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); struct ata_siiprb_command *prb = (struct ata_siiprb_command *)ch->dma->work; u_int32_t signature; int offset = ch->unit * 0x2000; /* setup the workspace for a soft reset command */ bzero(prb, sizeof(struct ata_siiprb_command)); prb->control = htole16(0x0080); prb->fis[1] = port & 0x0f; /* issue soft reset */ if (ata_siiprb_issue_cmd(dev)) return -1; ata_udelay(150000); /* get possible signature */ prb = (struct ata_siiprb_command *) ((u_int8_t *)rman_get_virtual(ctlr->r_res2) + offset); signature=prb->fis[12]|(prb->fis[4]<<8)|(prb->fis[5]<<16)|(prb->fis[6]<<24); /* clear error bits/interrupt */ ATA_IDX_OUTL(ch, ATA_SERROR, 0xffffffff); return signature; } static void ata_siiprb_reset(device_t dev) { struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); struct ata_channel *ch = device_get_softc(dev); int offset = ch->unit * 0x2000; u_int32_t status, signature; int timeout; /* disable interrupts */ ATA_OUTL(ctlr->r_res2, 0x1014 + offset, 0x000000ff); /* reset channel HW */ ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x00000001); DELAY(1000); ATA_OUTL(ctlr->r_res2, 0x1004 + offset, 0x00000001); DELAY(10000); /* poll for channel ready */ for (timeout = 0; timeout < 1000; timeout++) { if ((status = ATA_INL(ctlr->r_res2, 0x1008 + offset)) & 0x00040000) break; DELAY(1000); } if (bootverbose) { if (timeout >= 1000) device_printf(ch->dev, "channel HW reset timeout\n"); else device_printf(ch->dev, "channel HW reset time=%dms\n", timeout); } /* reset phy */ if (!ata_sata_phy_reset(dev)) { if (bootverbose) device_printf(ch->dev, "phy reset found no device\n"); ch->devices = 0; goto finish; } /* issue soft reset */ signature = ata_siiprb_softreset(dev, ATA_PM); if (bootverbose) device_printf(ch->dev, "SIGNATURE: %08x\n", signature); /* figure out whats there */ switch (signature >> 16) { case 0x0000: ch->devices = ATA_ATA_MASTER; break; case 0x9669: ch->devices = ATA_PORTMULTIPLIER; device_printf(ch->dev, "Portmultipliers not supported yet\n"); ch->devices = 0; break; case 0xeb14: ch->devices = ATA_ATAPI_MASTER; break; default: ch->devices = 0; } if (bootverbose) device_printf(dev, "siiprb_reset devices=%08x\n", ch->devices); finish: /* clear interrupt(s) */ ATA_OUTL(ctlr->r_res2, 0x1008 + offset, 0x000008ff); /* require explicit interrupt ack */ ATA_OUTL(ctlr->r_res2, 0x1000 + offset, 0x00000008); /* 64bit mode */ ATA_OUTL(ctlr->r_res2, 0x1004 + offset, 0x00000400); /* enable interrupts wanted */ ATA_OUTL(ctlr->r_res2, 0x1010 + offset, 0x000000ff); } static void ata_siiprb_dmasetprd(void *xsc, bus_dma_segment_t *segs, int nsegs, int error) { struct ata_dmasetprd_args *args = xsc; struct ata_siiprb_dma_prdentry *prd = args->dmatab; int i; if ((args->error = error)) return; for (i = 0; i < nsegs; i++) { prd[i].addr = htole64(segs[i].ds_addr); prd[i].count = htole32(segs[i].ds_len); } prd[i - 1].control = htole32(ATA_DMA_EOT); KASSERT(nsegs <= ATA_SIIPRB_DMA_ENTRIES,("too many DMA segment entries\n")); args->nsegs = nsegs; } static void ata_siiprb_dmainit(device_t dev) { struct ata_channel *ch = device_get_softc(dev); ata_dmainit(dev); if (ch->dma) { /* note start and stop are not used here */ ch->dma->setprd = ata_siiprb_dmasetprd; ch->dma->max_address = BUS_SPACE_MAXADDR; } }