185 lines
5.4 KiB
C
185 lines
5.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/module.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/ata.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/malloc.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/sema.h>
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#include <sys/taskqueue.h>
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#include <vm/uma.h>
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#include <machine/stdarg.h>
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#include <machine/resource.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/ata/ata-all.h>
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#include <dev/ata/ata-pci.h>
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#include <ata_if.h>
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/* local prototypes */
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static int ata_marvell_chipinit(device_t dev);
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static int ata_marvell_ch_attach(device_t dev);
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static int ata_marvell_setmode(device_t dev, int target, int mode);
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static int ata_marvell_dummy_chipinit(device_t dev);
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/* misc defines */
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#define MV_61XX 61
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#define MV_91XX 91
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/*
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* Marvell chipset support functions
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*/
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#define ATA_MV_HOST_BASE(ch) \
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((ch->unit & 3) * 0x0100) + (ch->unit > 3 ? 0x30000 : 0x20000)
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#define ATA_MV_EDMA_BASE(ch) \
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((ch->unit & 3) * 0x2000) + (ch->unit > 3 ? 0x30000 : 0x20000)
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struct ata_marvell_response {
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u_int16_t tag;
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u_int8_t edma_status;
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u_int8_t dev_status;
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u_int32_t timestamp;
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};
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struct ata_marvell_dma_prdentry {
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u_int32_t addrlo;
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u_int32_t count;
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u_int32_t addrhi;
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u_int32_t reserved;
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};
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static int
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ata_marvell_probe(device_t dev)
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{
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struct ata_pci_controller *ctlr = device_get_softc(dev);
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static const struct ata_chip_id ids[] =
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{{ ATA_M88SE6101, 0, 0, MV_61XX, ATA_UDMA6, "88SE6101" },
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{ ATA_M88SE6102, 0, 0, MV_61XX, ATA_UDMA6, "88SE6102" },
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{ ATA_M88SE6111, 0, 1, MV_61XX, ATA_UDMA6, "88SE6111" },
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{ ATA_M88SE6121, 0, 2, MV_61XX, ATA_UDMA6, "88SE6121" },
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{ ATA_M88SE6141, 0, 4, MV_61XX, ATA_UDMA6, "88SE6141" },
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{ ATA_M88SE6145, 0, 4, MV_61XX, ATA_UDMA6, "88SE6145" },
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{ 0x91a41b4b, 0, 0, MV_91XX, ATA_UDMA6, "88SE912x" },
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{ 0, 0, 0, 0, 0, 0}};
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if (pci_get_vendor(dev) != ATA_MARVELL_ID &&
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pci_get_vendor(dev) != ATA_MARVELL2_ID)
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return ENXIO;
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if (!(ctlr->chip = ata_match_chip(dev, ids)))
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return ENXIO;
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ata_set_desc(dev);
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switch (ctlr->chip->cfg2) {
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case MV_61XX:
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ctlr->chipinit = ata_marvell_chipinit;
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break;
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case MV_91XX:
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ctlr->chipinit = ata_marvell_dummy_chipinit;
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break;
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}
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return (BUS_PROBE_LOW_PRIORITY);
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}
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static int
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ata_marvell_chipinit(device_t dev)
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{
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struct ata_pci_controller *ctlr = device_get_softc(dev);
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device_t child;
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if (ata_setup_interrupt(dev, ata_generic_intr))
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return ENXIO;
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/* Create AHCI subdevice if AHCI part present. */
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if (ctlr->chip->cfg1) {
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child = device_add_child(dev, NULL, -1);
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if (child != NULL) {
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device_set_ivars(child, (void *)(intptr_t)-1);
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bus_generic_attach(dev);
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}
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}
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ctlr->ch_attach = ata_marvell_ch_attach;
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ctlr->ch_detach = ata_pci_ch_detach;
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ctlr->reset = ata_generic_reset;
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ctlr->setmode = ata_marvell_setmode;
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ctlr->channels = 1;
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return (0);
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}
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static int
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ata_marvell_ch_attach(device_t dev)
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{
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struct ata_channel *ch = device_get_softc(dev);
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int error;
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error = ata_pci_ch_attach(dev);
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/* dont use 32 bit PIO transfers */
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ch->flags |= ATA_USE_16BIT;
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ch->flags |= ATA_CHECKS_CABLE;
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return (error);
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}
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static int
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ata_marvell_setmode(device_t dev, int target, int mode)
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{
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struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
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struct ata_channel *ch = device_get_softc(dev);
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mode = min(mode, ctlr->chip->max_dma);
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/* Check for 80pin cable present. */
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if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
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ATA_IDX_INB(ch, ATA_BMDEVSPEC_0) & 0x01) {
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ata_print_cable(dev, "controller");
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mode = ATA_UDMA2;
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}
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/* Nothing to do to setup mode, the controller snoop SET_FEATURE cmd. */
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return (mode);
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}
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static int
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ata_marvell_dummy_chipinit(device_t dev)
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{
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struct ata_pci_controller *ctlr = device_get_softc(dev);
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ctlr->channels = 0;
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return (0);
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}
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ATA_DECLARE_DRIVER(ata_marvell);
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