/* $NetBSD: satalink.c,v 1.55 2017/10/20 07:06:08 jdolecek Exp $ */ /*- * Copyright (c) 2003 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of Wasabi Systems, Inc. * * 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. * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 FOUNDATION OR CONTRIBUTORS * 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 __KERNEL_RCSID(0, "$NetBSD: satalink.c,v 1.55 2017/10/20 07:06:08 jdolecek Exp $"); #include #include #include #include #include #include #include #include #include #include #include /* * Register map for BA5 register space, indexed by channel. */ static const struct { bus_addr_t ba5_IDEDMA_CMD; bus_addr_t ba5_IDEDMA_CTL; bus_addr_t ba5_IDEDMA_TBL; bus_addr_t ba5_IDEDMA_CMD2; bus_addr_t ba5_IDEDMA_CTL2; bus_addr_t ba5_IDE_TF0; bus_addr_t ba5_IDE_TF1; bus_addr_t ba5_IDE_TF2; bus_addr_t ba5_IDE_TF3; bus_addr_t ba5_IDE_TF4; bus_addr_t ba5_IDE_TF5; bus_addr_t ba5_IDE_TF6; bus_addr_t ba5_IDE_TF7; bus_addr_t ba5_IDE_TF8; bus_addr_t ba5_IDE_RAD; bus_addr_t ba5_IDE_TF9; bus_addr_t ba5_IDE_TF10; bus_addr_t ba5_IDE_TF11; bus_addr_t ba5_IDE_TF12; bus_addr_t ba5_IDE_TF13; bus_addr_t ba5_IDE_TF14; bus_addr_t ba5_IDE_TF15; bus_addr_t ba5_IDE_TF16; bus_addr_t ba5_IDE_TF17; bus_addr_t ba5_IDE_TF18; bus_addr_t ba5_IDE_TF19; bus_addr_t ba5_IDE_RABC; bus_addr_t ba5_IDE_CMD_STS; bus_addr_t ba5_IDE_CFG_STS; bus_addr_t ba5_IDE_DTM; bus_addr_t ba5_SControl; bus_addr_t ba5_SStatus; bus_addr_t ba5_SError; bus_addr_t ba5_SActive; /* 3114 */ bus_addr_t ba5_SMisc; bus_addr_t ba5_PHY_CONFIG; bus_addr_t ba5_SIEN; bus_addr_t ba5_SFISCfg; } satalink_ba5_regmap[] = { { /* Channel 0 */ .ba5_IDEDMA_CMD = 0x000, .ba5_IDEDMA_CTL = 0x002, .ba5_IDEDMA_TBL = 0x004, .ba5_IDEDMA_CMD2 = 0x010, .ba5_IDEDMA_CTL2 = 0x012, .ba5_IDE_TF0 = 0x080, /* wd_data */ .ba5_IDE_TF1 = 0x081, /* wd_error */ .ba5_IDE_TF2 = 0x082, /* wd_seccnt */ .ba5_IDE_TF3 = 0x083, /* wd_sector */ .ba5_IDE_TF4 = 0x084, /* wd_cyl_lo */ .ba5_IDE_TF5 = 0x085, /* wd_cyl_hi */ .ba5_IDE_TF6 = 0x086, /* wd_sdh */ .ba5_IDE_TF7 = 0x087, /* wd_command */ .ba5_IDE_TF8 = 0x08a, /* wd_altsts */ .ba5_IDE_RAD = 0x08c, .ba5_IDE_TF9 = 0x091, /* Features 2 */ .ba5_IDE_TF10 = 0x092, /* Sector Count 2 */ .ba5_IDE_TF11 = 0x093, /* Start Sector 2 */ .ba5_IDE_TF12 = 0x094, /* Cylinder Low 2 */ .ba5_IDE_TF13 = 0x095, /* Cylinder High 2 */ .ba5_IDE_TF14 = 0x096, /* Device/Head 2 */ .ba5_IDE_TF15 = 0x097, /* Cmd Sts 2 */ .ba5_IDE_TF16 = 0x098, /* Sector Count 2 ext */ .ba5_IDE_TF17 = 0x099, /* Start Sector 2 ext */ .ba5_IDE_TF18 = 0x09a, /* Cyl Low 2 ext */ .ba5_IDE_TF19 = 0x09b, /* Cyl High 2 ext */ .ba5_IDE_RABC = 0x09c, .ba5_IDE_CMD_STS = 0x0a0, .ba5_IDE_CFG_STS = 0x0a1, .ba5_IDE_DTM = 0x0b4, .ba5_SControl = 0x100, .ba5_SStatus = 0x104, .ba5_SError = 0x108, .ba5_SActive = 0x10c, .ba5_SMisc = 0x140, .ba5_PHY_CONFIG = 0x144, .ba5_SIEN = 0x148, .ba5_SFISCfg = 0x14c, }, { /* Channel 1 */ .ba5_IDEDMA_CMD = 0x008, .ba5_IDEDMA_CTL = 0x00a, .ba5_IDEDMA_TBL = 0x00c, .ba5_IDEDMA_CMD2 = 0x018, .ba5_IDEDMA_CTL2 = 0x01a, .ba5_IDE_TF0 = 0x0c0, /* wd_data */ .ba5_IDE_TF1 = 0x0c1, /* wd_error */ .ba5_IDE_TF2 = 0x0c2, /* wd_seccnt */ .ba5_IDE_TF3 = 0x0c3, /* wd_sector */ .ba5_IDE_TF4 = 0x0c4, /* wd_cyl_lo */ .ba5_IDE_TF5 = 0x0c5, /* wd_cyl_hi */ .ba5_IDE_TF6 = 0x0c6, /* wd_sdh */ .ba5_IDE_TF7 = 0x0c7, /* wd_command */ .ba5_IDE_TF8 = 0x0ca, /* wd_altsts */ .ba5_IDE_RAD = 0x0cc, .ba5_IDE_TF9 = 0x0d1, /* Features 2 */ .ba5_IDE_TF10 = 0x0d2, /* Sector Count 2 */ .ba5_IDE_TF11 = 0x0d3, /* Start Sector 2 */ .ba5_IDE_TF12 = 0x0d4, /* Cylinder Low 2 */ .ba5_IDE_TF13 = 0x0d5, /* Cylinder High 2 */ .ba5_IDE_TF14 = 0x0d6, /* Device/Head 2 */ .ba5_IDE_TF15 = 0x0d7, /* Cmd Sts 2 */ .ba5_IDE_TF16 = 0x0d8, /* Sector Count 2 ext */ .ba5_IDE_TF17 = 0x0d9, /* Start Sector 2 ext */ .ba5_IDE_TF18 = 0x0da, /* Cyl Low 2 ext */ .ba5_IDE_TF19 = 0x0db, /* Cyl High 2 ext */ .ba5_IDE_RABC = 0x0dc, .ba5_IDE_CMD_STS = 0x0e0, .ba5_IDE_CFG_STS = 0x0e1, .ba5_IDE_DTM = 0x0f4, .ba5_SControl = 0x180, .ba5_SStatus = 0x184, .ba5_SError = 0x188, .ba5_SActive = 0x18c, .ba5_SMisc = 0x1c0, .ba5_PHY_CONFIG = 0x1c4, .ba5_SIEN = 0x1c8, .ba5_SFISCfg = 0x1cc, }, { /* Channel 2 (3114) */ .ba5_IDEDMA_CMD = 0x200, .ba5_IDEDMA_CTL = 0x202, .ba5_IDEDMA_TBL = 0x204, .ba5_IDEDMA_CMD2 = 0x210, .ba5_IDEDMA_CTL2 = 0x212, .ba5_IDE_TF0 = 0x280, /* wd_data */ .ba5_IDE_TF1 = 0x281, /* wd_error */ .ba5_IDE_TF2 = 0x282, /* wd_seccnt */ .ba5_IDE_TF3 = 0x283, /* wd_sector */ .ba5_IDE_TF4 = 0x284, /* wd_cyl_lo */ .ba5_IDE_TF5 = 0x285, /* wd_cyl_hi */ .ba5_IDE_TF6 = 0x286, /* wd_sdh */ .ba5_IDE_TF7 = 0x287, /* wd_command */ .ba5_IDE_TF8 = 0x28a, /* wd_altsts */ .ba5_IDE_RAD = 0x28c, .ba5_IDE_TF9 = 0x291, /* Features 2 */ .ba5_IDE_TF10 = 0x292, /* Sector Count 2 */ .ba5_IDE_TF11 = 0x293, /* Start Sector 2 */ .ba5_IDE_TF12 = 0x294, /* Cylinder Low 2 */ .ba5_IDE_TF13 = 0x295, /* Cylinder High 2 */ .ba5_IDE_TF14 = 0x296, /* Device/Head 2 */ .ba5_IDE_TF15 = 0x297, /* Cmd Sts 2 */ .ba5_IDE_TF16 = 0x298, /* Sector Count 2 ext */ .ba5_IDE_TF17 = 0x299, /* Start Sector 2 ext */ .ba5_IDE_TF18 = 0x29a, /* Cyl Low 2 ext */ .ba5_IDE_TF19 = 0x29b, /* Cyl High 2 ext */ .ba5_IDE_RABC = 0x29c, .ba5_IDE_CMD_STS = 0x2a0, .ba5_IDE_CFG_STS = 0x2a1, .ba5_IDE_DTM = 0x2b4, .ba5_SControl = 0x300, .ba5_SStatus = 0x304, .ba5_SError = 0x308, .ba5_SActive = 0x30c, .ba5_SMisc = 0x340, .ba5_PHY_CONFIG = 0x344, .ba5_SIEN = 0x348, .ba5_SFISCfg = 0x34c, }, { /* Channel 3 (3114) */ .ba5_IDEDMA_CMD = 0x208, .ba5_IDEDMA_CTL = 0x20a, .ba5_IDEDMA_TBL = 0x20c, .ba5_IDEDMA_CMD2 = 0x218, .ba5_IDEDMA_CTL2 = 0x21a, .ba5_IDE_TF0 = 0x2c0, /* wd_data */ .ba5_IDE_TF1 = 0x2c1, /* wd_error */ .ba5_IDE_TF2 = 0x2c2, /* wd_seccnt */ .ba5_IDE_TF3 = 0x2c3, /* wd_sector */ .ba5_IDE_TF4 = 0x2c4, /* wd_cyl_lo */ .ba5_IDE_TF5 = 0x2c5, /* wd_cyl_hi */ .ba5_IDE_TF6 = 0x2c6, /* wd_sdh */ .ba5_IDE_TF7 = 0x2c7, /* wd_command */ .ba5_IDE_TF8 = 0x2ca, /* wd_altsts */ .ba5_IDE_RAD = 0x2cc, .ba5_IDE_TF9 = 0x2d1, /* Features 2 */ .ba5_IDE_TF10 = 0x2d2, /* Sector Count 2 */ .ba5_IDE_TF11 = 0x2d3, /* Start Sector 2 */ .ba5_IDE_TF12 = 0x2d4, /* Cylinder Low 2 */ .ba5_IDE_TF13 = 0x2d5, /* Cylinder High 2 */ .ba5_IDE_TF14 = 0x2d6, /* Device/Head 2 */ .ba5_IDE_TF15 = 0x2d7, /* Cmd Sts 2 */ .ba5_IDE_TF16 = 0x2d8, /* Sector Count 2 ext */ .ba5_IDE_TF17 = 0x2d9, /* Start Sector 2 ext */ .ba5_IDE_TF18 = 0x2da, /* Cyl Low 2 ext */ .ba5_IDE_TF19 = 0x2db, /* Cyl High 2 ext */ .ba5_IDE_RABC = 0x2dc, .ba5_IDE_CMD_STS = 0x2e0, .ba5_IDE_CFG_STS = 0x2e1, .ba5_IDE_DTM = 0x2f4, .ba5_SControl = 0x380, .ba5_SStatus = 0x384, .ba5_SError = 0x388, .ba5_SActive = 0x38c, .ba5_SMisc = 0x3c0, .ba5_PHY_CONFIG = 0x3c4, .ba5_SIEN = 0x3c8, .ba5_SFISCfg = 0x3cc, }, }; #define ba5_SIS 0x214 /* summary interrupt status */ /* Interrupt steering bit in BA5[0x200]. */ #define IDEDMA_CMD_INT_STEER (1U << 1) static int satalink_match(device_t, cfdata_t, void *); static void satalink_attach(device_t, device_t, void *); CFATTACH_DECL_NEW(satalink, sizeof(struct pciide_softc), satalink_match, satalink_attach, pciide_detach, NULL); static void sii3112_chip_map(struct pciide_softc*, const struct pci_attach_args*); static void sii3114_chip_map(struct pciide_softc*, const struct pci_attach_args*); static void sii3112_drv_probe(struct ata_channel*); static void sii3112_setup_channel(struct ata_channel*); static const struct pciide_product_desc pciide_satalink_products[] = { { PCI_PRODUCT_CMDTECH_3112, 0, "Silicon Image SATALink 3112", sii3112_chip_map, }, { PCI_PRODUCT_CMDTECH_3512, 0, "Silicon Image SATALink 3512", sii3112_chip_map, }, { PCI_PRODUCT_CMDTECH_AAR_1210SA, 0, "Adaptec AAR-1210SA serial ATA RAID controller", sii3112_chip_map, }, { PCI_PRODUCT_CMDTECH_3114, 0, "Silicon Image SATALink 3114", sii3114_chip_map, }, { PCI_PRODUCT_ATI_IXP_SATA_300, 0, "ATI IXP 300 SATA", sii3112_chip_map, }, { 0, 0, NULL, NULL } }; static int satalink_match(device_t parent, cfdata_t match, void *aux) { struct pci_attach_args *pa = aux; if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_CMDTECH) { if (pciide_lookup_product(pa->pa_id, pciide_satalink_products)) return (2); } return (0); } static void satalink_attach(device_t parent, device_t self, void *aux) { struct pci_attach_args *pa = aux; struct pciide_softc *sc = device_private(self); sc->sc_wdcdev.sc_atac.atac_dev = self; pciide_common_attach(sc, pa, pciide_lookup_product(pa->pa_id, pciide_satalink_products)); } static inline uint32_t ba5_read_4_ind(struct pciide_softc *sc, bus_addr_t reg) { uint32_t rv; int s; s = splbio(); pci_conf_write(sc->sc_pc, sc->sc_tag, SII3112_BA5_IND_ADDR, reg); rv = pci_conf_read(sc->sc_pc, sc->sc_tag, SII3112_BA5_IND_DATA); splx(s); return (rv); } static inline uint32_t ba5_read_4(struct pciide_softc *sc, bus_addr_t reg) { if (__predict_true(sc->sc_ba5_en != 0)) return (bus_space_read_4(sc->sc_ba5_st, sc->sc_ba5_sh, reg)); return (ba5_read_4_ind(sc, reg)); } #define BA5_READ_4(sc, chan, reg) \ ba5_read_4((sc), satalink_ba5_regmap[(chan)].reg) static inline void ba5_write_4_ind(struct pciide_softc *sc, bus_addr_t reg, uint32_t val) { int s; s = splbio(); pci_conf_write(sc->sc_pc, sc->sc_tag, SII3112_BA5_IND_ADDR, reg); pci_conf_write(sc->sc_pc, sc->sc_tag, SII3112_BA5_IND_DATA, val); splx(s); } static inline void ba5_write_4(struct pciide_softc *sc, bus_addr_t reg, uint32_t val) { if (__predict_true(sc->sc_ba5_en != 0)) bus_space_write_4(sc->sc_ba5_st, sc->sc_ba5_sh, reg, val); else ba5_write_4_ind(sc, reg, val); } #define BA5_WRITE_4(sc, chan, reg, val) \ ba5_write_4((sc), satalink_ba5_regmap[(chan)].reg, (val)) /* * When the Silicon Image 3112 retries a PCI memory read command, * it may retry it as a memory read multiple command under some * circumstances. This can totally confuse some PCI controllers, * so ensure that it will never do this by making sure that the * Read Threshold (FIFO Read Request Control) field of the FIFO * Valid Byte Count and Control registers for both channels (BA5 * offset 0x40 and 0x44) are set to be at least as large as the * cacheline size register. * This may also happen on the 3114 (ragge 050527) */ static void sii_fixup_cacheline(struct pciide_softc *sc, const struct pci_attach_args *pa, int n) { pcireg_t cls, reg; int i; static bus_addr_t addr[] = { 0x40, 0x44, 0x240, 0x244 }; cls = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG); cls = (cls >> PCI_CACHELINE_SHIFT) & PCI_CACHELINE_MASK; cls *= 4; if (cls > 224) { cls = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG); cls &= ~(PCI_CACHELINE_MASK << PCI_CACHELINE_SHIFT); cls |= ((224/4) << PCI_CACHELINE_SHIFT); pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, cls); cls = 224; } if (cls < 32) cls = 32; cls = (cls + 31) / 32; for (i = 0; i < n; i++) { reg = ba5_read_4(sc, addr[i]); if ((reg & 0x7) < cls) ba5_write_4(sc, addr[i], (reg & 0x07) | cls); } } static void sii3112_chip_map(struct pciide_softc *sc, const struct pci_attach_args *pa) { struct pciide_channel *cp; pcireg_t interface, scs_cmd, cfgctl; int channel; if (pciide_chipen(sc, pa) == 0) return; #define SII3112_RESET_BITS \ (SCS_CMD_PBM_RESET | SCS_CMD_ARB_RESET | \ SCS_CMD_FF1_RESET | SCS_CMD_FF0_RESET | \ SCS_CMD_IDE1_RESET | SCS_CMD_IDE0_RESET) /* * Reset everything and then unblock all of the interrupts. */ scs_cmd = pci_conf_read(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD); pci_conf_write(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD, scs_cmd | SII3112_RESET_BITS); delay(50 * 1000); pci_conf_write(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD, scs_cmd & SCS_CMD_BA5_EN); delay(50 * 1000); if (scs_cmd & SCS_CMD_BA5_EN) { aprint_verbose_dev(sc->sc_wdcdev.sc_atac.atac_dev, "SATALink BA5 register space enabled\n"); if (pci_mapreg_map(pa, PCI_MAPREG_START + 0x14, PCI_MAPREG_TYPE_MEM| PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_ba5_st, &sc->sc_ba5_sh, NULL, &sc->sc_ba5_ss) != 0) aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev, "unable to map SATALink BA5 register space\n"); else sc->sc_ba5_en = 1; } else { aprint_verbose_dev(sc->sc_wdcdev.sc_atac.atac_dev, "SATALink BA5 register space disabled\n"); cfgctl = pci_conf_read(pa->pa_pc, pa->pa_tag, SII3112_PCI_CFGCTL); pci_conf_write(pa->pa_pc, pa->pa_tag, SII3112_PCI_CFGCTL, cfgctl | CFGCTL_BA5INDEN); } aprint_verbose_dev(sc->sc_wdcdev.sc_atac.atac_dev, "bus-master DMA support present"); pciide_mapreg_dma(sc, pa); aprint_verbose("\n"); /* * Rev. <= 0x01 of the 3112 have a bug that can cause data * corruption if DMA transfers cross an 8K boundary. This is * apparently hard to tickle, but we'll go ahead and play it * safe. */ if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMDTECH_3112 || PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CMDTECH_AAR_1210SA) && PCI_REVISION(pa->pa_class) <= 0x01) { sc->sc_dma_maxsegsz = 8192; sc->sc_dma_boundary = 8192; } sii_fixup_cacheline(sc, pa, 2); sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16 | ATAC_CAP_DATA32; sc->sc_wdcdev.sc_atac.atac_pio_cap = 4; if (sc->sc_dma_ok) { sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA | ATAC_CAP_UDMA; sc->sc_wdcdev.irqack = pciide_irqack; sc->sc_wdcdev.sc_atac.atac_dma_cap = 2; sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; } sc->sc_wdcdev.sc_atac.atac_set_modes = sii3112_setup_channel; /* We can use SControl and SStatus to probe for drives. */ sc->sc_wdcdev.sc_atac.atac_probe = sii3112_drv_probe; sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray; sc->sc_wdcdev.sc_atac.atac_nchannels = PCIIDE_NUM_CHANNELS; sc->sc_wdcdev.wdc_maxdrives = 1; wdc_allocate_regs(&sc->sc_wdcdev); /* * The 3112 either identifies itself as a RAID storage device * or a Misc storage device. Fake up the interface bits for * what our driver expects. */ if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { interface = PCI_INTERFACE(pa->pa_class); } else { interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); } for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) continue; pciide_mapchan(pa, cp, interface, pciide_pci_intr); } } static void sii3114_mapreg_dma(struct pciide_softc *sc, const struct pci_attach_args *pa) { struct pciide_channel *pc; int chan, reg; bus_size_t size; sc->sc_wdcdev.dma_arg = sc; sc->sc_wdcdev.dma_init = pciide_dma_init; sc->sc_wdcdev.dma_start = pciide_dma_start; sc->sc_wdcdev.dma_finish = pciide_dma_finish; if (device_cfdata(sc->sc_wdcdev.sc_atac.atac_dev)->cf_flags & PCIIDE_OPTIONS_NODMA) { aprint_verbose( ", but unused (forced off by config file)"); sc->sc_dma_ok = 0; return; } /* * Slice off a subregion of BA5 for each of the channel's DMA * registers. */ sc->sc_dma_iot = sc->sc_ba5_st; for (chan = 0; chan < 4; chan++) { pc = &sc->pciide_channels[chan]; for (reg = 0; reg < IDEDMA_NREGS; reg++) { size = 4; if (size > (IDEDMA_SCH_OFFSET - reg)) size = IDEDMA_SCH_OFFSET - reg; if (bus_space_subregion(sc->sc_ba5_st, sc->sc_ba5_sh, satalink_ba5_regmap[chan].ba5_IDEDMA_CMD + reg, size, &pc->dma_iohs[reg]) != 0) { sc->sc_dma_ok = 0; aprint_verbose(", but can't subregion offset " "%lu size %lu", (u_long) satalink_ba5_regmap[ chan].ba5_IDEDMA_CMD + reg, (u_long) size); return; } } } /* DMA registers all set up! */ sc->sc_dmat = pa->pa_dmat; sc->sc_dma_ok = 1; } static int sii3114_chansetup(struct pciide_softc *sc, int channel) { static const char *channel_names[] = { "port 0", "port 1", "port 2", "port 3", }; struct pciide_channel *cp = &sc->pciide_channels[channel]; sc->wdc_chanarray[channel] = &cp->ata_channel; /* * We must always keep the Interrupt Steering bit set in channel 2's * IDEDMA_CMD register. */ if (channel == 2) cp->idedma_cmd = IDEDMA_CMD_INT_STEER; cp->name = channel_names[channel]; cp->ata_channel.ch_channel = channel; cp->ata_channel.ch_atac = &sc->sc_wdcdev.sc_atac; return (1); } static void sii3114_mapchan(struct pciide_channel *cp) { struct ata_channel *wdc_cp = &cp->ata_channel; struct pciide_softc *sc = CHAN_TO_PCIIDE(wdc_cp); struct wdc_regs *wdr = CHAN_TO_WDC_REGS(wdc_cp); int i; cp->compat = 0; cp->ih = sc->sc_pci_ih; wdr->cmd_iot = sc->sc_ba5_st; if (bus_space_subregion(sc->sc_ba5_st, sc->sc_ba5_sh, satalink_ba5_regmap[wdc_cp->ch_channel].ba5_IDE_TF0, 9, &wdr->cmd_baseioh) != 0) { aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev, "couldn't subregion %s cmd base\n", cp->name); goto bad; } wdr->ctl_iot = sc->sc_ba5_st; if (bus_space_subregion(sc->sc_ba5_st, sc->sc_ba5_sh, satalink_ba5_regmap[wdc_cp->ch_channel].ba5_IDE_TF8, 1, &cp->ctl_baseioh) != 0) { aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev, "couldn't subregion %s ctl base\n", cp->name); goto bad; } wdr->ctl_ioh = cp->ctl_baseioh; for (i = 0; i < WDC_NREG; i++) { if (bus_space_subregion(wdr->cmd_iot, wdr->cmd_baseioh, i, i == 0 ? 4 : 1, &wdr->cmd_iohs[i]) != 0) { aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev, "couldn't subregion %s channel cmd regs\n", cp->name); goto bad; } } wdc_init_shadow_regs(wdr); wdr->data32iot = wdr->cmd_iot; wdr->data32ioh = wdr->cmd_iohs[0]; wdcattach(wdc_cp); return; bad: cp->ata_channel.ch_flags |= ATACH_DISABLED; } static void sii3114_chip_map(struct pciide_softc *sc, const struct pci_attach_args *pa) { struct pciide_channel *cp; pcireg_t scs_cmd; pci_intr_handle_t intrhandle; const char *intrstr; int channel; char intrbuf[PCI_INTRSTR_LEN]; if (pciide_chipen(sc, pa) == 0) return; #define SII3114_RESET_BITS \ (SCS_CMD_PBM_RESET | SCS_CMD_ARB_RESET | \ SCS_CMD_FF1_RESET | SCS_CMD_FF0_RESET | \ SCS_CMD_FF3_RESET | SCS_CMD_FF2_RESET | \ SCS_CMD_IDE1_RESET | SCS_CMD_IDE0_RESET | \ SCS_CMD_IDE3_RESET | SCS_CMD_IDE2_RESET) /* * Reset everything and then unblock all of the interrupts. */ scs_cmd = pci_conf_read(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD); pci_conf_write(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD, scs_cmd | SII3114_RESET_BITS); delay(50 * 1000); pci_conf_write(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD, scs_cmd & SCS_CMD_M66EN); delay(50 * 1000); /* * On the 3114, the BA5 register space is always enabled. In * order to use the 3114 in any sane way, we must use this BA5 * register space, and so we consider it an error if we cannot * map it. * * As a consequence of using BA5, our register mapping is different * from a normal PCI IDE controller's, and so we are unable to use * most of the common PCI IDE register mapping functions. */ if (pci_mapreg_map(pa, PCI_MAPREG_START + 0x14, PCI_MAPREG_TYPE_MEM| PCI_MAPREG_MEM_TYPE_32BIT, 0, &sc->sc_ba5_st, &sc->sc_ba5_sh, NULL, &sc->sc_ba5_ss) != 0) { aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev, "unable to map SATALink BA5 register space\n"); return; } sc->sc_ba5_en = 1; aprint_verbose_dev(sc->sc_wdcdev.sc_atac.atac_dev, "%dMHz PCI bus\n", (scs_cmd & SCS_CMD_M66EN) ? 66 : 33); /* * Set the Interrupt Steering bit in the IDEDMA_CMD register of * channel 2. This is required at all times for proper operation * when using the BA5 register space (otherwise interrupts from * all 4 channels won't work). */ BA5_WRITE_4(sc, 2, ba5_IDEDMA_CMD, IDEDMA_CMD_INT_STEER); aprint_verbose_dev(sc->sc_wdcdev.sc_atac.atac_dev, "bus-master DMA support present"); sii3114_mapreg_dma(sc, pa); aprint_verbose("\n"); sii_fixup_cacheline(sc, pa, 4); sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DATA16 | ATAC_CAP_DATA32; sc->sc_wdcdev.sc_atac.atac_pio_cap = 4; if (sc->sc_dma_ok) { sc->sc_wdcdev.sc_atac.atac_cap |= ATAC_CAP_DMA | ATAC_CAP_UDMA; sc->sc_wdcdev.irqack = pciide_irqack; sc->sc_wdcdev.sc_atac.atac_dma_cap = 2; sc->sc_wdcdev.sc_atac.atac_udma_cap = 6; } sc->sc_wdcdev.sc_atac.atac_set_modes = sii3112_setup_channel; /* We can use SControl and SStatus to probe for drives. */ sc->sc_wdcdev.sc_atac.atac_probe = sii3112_drv_probe; sc->sc_wdcdev.sc_atac.atac_channels = sc->wdc_chanarray; sc->sc_wdcdev.sc_atac.atac_nchannels = 4; sc->sc_wdcdev.wdc_maxdrives = 1; wdc_allocate_regs(&sc->sc_wdcdev); /* Map and establish the interrupt handler. */ if (pci_intr_map(pa, &intrhandle) != 0) { aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev, "couldn't map native-PCI interrupt\n"); return; } intrstr = pci_intr_string(pa->pa_pc, intrhandle, intrbuf, sizeof(intrbuf)); sc->sc_pci_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_BIO, /* XXX */ pciide_pci_intr, sc); if (sc->sc_pci_ih != NULL) { aprint_normal_dev(sc->sc_wdcdev.sc_atac.atac_dev, "using %s for native-PCI interrupt\n", intrstr ? intrstr : "unknown interrupt"); } else { aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev, "couldn't establish native-PCI interrupt"); if (intrstr != NULL) aprint_error(" at %s", intrstr); aprint_error("\n"); return; } for (channel = 0; channel < sc->sc_wdcdev.sc_atac.atac_nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (sii3114_chansetup(sc, channel) == 0) continue; sii3114_mapchan(cp); } } /* Probe the drives using SATA registers. * Note we can't use wdc_sataprobe as we may not be able to map ba5 */ static void sii3112_drv_probe(struct ata_channel *chp) { struct pciide_softc *sc = CHAN_TO_PCIIDE(chp); struct wdc_regs *wdr = CHAN_TO_WDC_REGS(chp); uint32_t scontrol, sstatus; uint8_t /* scnt, sn, */ cl, ch; int s; /* * The 3112 is a 2-port part, and only has one drive per channel * (each port emulates a master drive). * * The 3114 is similar, but has 4 channels. */ /* * Request communication initialization sequence, any speed. * Performing this is the equivalent of an ATA Reset. */ scontrol = SControl_DET_INIT | SControl_SPD_ANY; /* * XXX We don't yet support SATA power management; disable all * power management state transitions. */ scontrol |= SControl_IPM_NONE; BA5_WRITE_4(sc, chp->ch_channel, ba5_SControl, scontrol); delay(50 * 1000); scontrol &= ~SControl_DET_INIT; BA5_WRITE_4(sc, chp->ch_channel, ba5_SControl, scontrol); delay(50 * 1000); sstatus = BA5_READ_4(sc, chp->ch_channel, ba5_SStatus); #if 0 aprint_normal_dev(sc->sc_wdcdev.sc_atac.atac_dev, "port %d: SStatus=0x%08x, SControl=0x%08x\n", chp->ch_channel, sstatus, BA5_READ_4(sc, chp->ch_channel, ba5_SControl)); #endif switch (sstatus & SStatus_DET_mask) { case SStatus_DET_NODEV: /* No device; be silent. */ break; case SStatus_DET_DEV_NE: aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev, "port %d: device connected, but " "communication not established\n", chp->ch_channel); break; case SStatus_DET_OFFLINE: aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev, "port %d: PHY offline\n", chp->ch_channel); break; case SStatus_DET_DEV: /* * XXX ATAPI detection doesn't currently work. Don't * XXX know why. But, it's not like the standard method * XXX can detect an ATAPI device connected via a SATA/PATA * XXX bridge, so at least this is no worse. --thorpej */ bus_space_write_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sdh], 0, WDSD_IBM | (0 << 4)); delay(10); /* 400ns delay */ /* Save register contents. */ #if 0 scnt = bus_space_read_1(wdr->cmd_iot, wdr->cmd_iohs[wd_seccnt], 0); sn = bus_space_read_1(wdr->cmd_iot, wdr->cmd_iohs[wd_sector], 0); #endif cl = bus_space_read_1(wdr->cmd_iot, wdr->cmd_iohs[wd_cyl_lo], 0); ch = bus_space_read_1(wdr->cmd_iot, wdr->cmd_iohs[wd_cyl_hi], 0); #if 0 printf("%s: port %d: scnt=0x%x sn=0x%x cl=0x%x ch=0x%x\n", device_xname(sc->sc_wdcdev.sc_atac.atac_dev), chp->ch_channel, scnt, sn, cl, ch); #endif if (atabus_alloc_drives(chp, 1) != 0) return; /* * scnt and sn are supposed to be 0x1 for ATAPI, but in some * cases we get wrong values here, so ignore it. */ s = splbio(); if (cl == 0x14 && ch == 0xeb) chp->ch_drive[0].drive_type = ATA_DRIVET_ATAPI; else chp->ch_drive[0].drive_type = ATA_DRIVET_ATA; splx(s); aprint_normal_dev(sc->sc_wdcdev.sc_atac.atac_dev, "port %d: device present, speed: %s\n", chp->ch_channel, sata_speed(sstatus)); break; default: aprint_error_dev(sc->sc_wdcdev.sc_atac.atac_dev, "port %d: unknown SStatus: 0x%08x\n", chp->ch_channel, sstatus); } } static void sii3112_setup_channel(struct ata_channel *chp) { struct ata_drive_datas *drvp; int drive, s; u_int32_t idedma_ctl, dtm; struct pciide_channel *cp = CHAN_TO_PCHAN(chp); struct pciide_softc *sc = CHAN_TO_PCIIDE(chp); /* setup DMA if needed */ pciide_channel_dma_setup(cp); idedma_ctl = 0; dtm = 0; for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if (drvp->drive_type == ATA_DRIVET_NONE) continue; if (drvp->drive_flags & ATA_DRIVE_UDMA) { /* use Ultra/DMA */ s = splbio(); drvp->drive_flags &= ~ATA_DRIVE_DMA; splx(s); idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); dtm |= DTM_IDEx_DMA; } else if (drvp->drive_flags & ATA_DRIVE_DMA) { idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); dtm |= DTM_IDEx_DMA; } else { dtm |= DTM_IDEx_PIO; } } /* * Nothing to do to setup modes; it is meaningless in S-ATA * (but many S-ATA drives still want to get the SET_FEATURE * command). */ if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, cp->dma_iohs[IDEDMA_CTL], 0, idedma_ctl); } BA5_WRITE_4(sc, chp->ch_channel, ba5_IDE_DTM, dtm); }