553 lines
17 KiB
C
553 lines
17 KiB
C
/*-
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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 "opt_ata.h"
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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_pata_chipinit(device_t dev);
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static int ata_marvell_pata_ch_attach(device_t dev);
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static void ata_marvell_pata_setmode(device_t dev, int mode);
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static int ata_marvell_edma_ch_attach(device_t dev);
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static int ata_marvell_edma_ch_detach(device_t dev);
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static int ata_marvell_edma_status(device_t dev);
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static int ata_marvell_edma_begin_transaction(struct ata_request *request);
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static int ata_marvell_edma_end_transaction(struct ata_request *request);
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static void ata_marvell_edma_reset(device_t dev);
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static void ata_marvell_edma_dmasetprd(void *xsc, bus_dma_segment_t *segs, int nsegs, int error);
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static void ata_marvell_edma_dmainit(device_t dev);
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/* misc defines */
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#define MV_50XX 50
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#define MV_60XX 60
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#define MV_61XX 61
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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 struct ata_chip_id ids[] =
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{{ ATA_M88SX5040, 0, 4, MV_50XX, ATA_SA150, "88SX5040" },
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{ ATA_M88SX5041, 0, 4, MV_50XX, ATA_SA150, "88SX5041" },
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{ ATA_M88SX5080, 0, 8, MV_50XX, ATA_SA150, "88SX5080" },
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{ ATA_M88SX5081, 0, 8, MV_50XX, ATA_SA150, "88SX5081" },
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{ ATA_M88SX6041, 0, 4, MV_60XX, ATA_SA300, "88SX6041" },
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{ ATA_M88SX6081, 0, 8, MV_60XX, ATA_SA300, "88SX6081" },
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{ ATA_M88SX6101, 0, 1, MV_61XX, ATA_UDMA6, "88SX6101" },
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{ ATA_M88SX6121, 0, 1, MV_61XX, ATA_UDMA6, "88SX6121" },
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{ ATA_M88SX6145, 0, 2, MV_61XX, ATA_UDMA6, "88SX6145" },
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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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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_50XX:
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case MV_60XX:
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ctlr->chipinit = ata_marvell_edma_chipinit;
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break;
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case MV_61XX:
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ctlr->chipinit = ata_marvell_pata_chipinit;
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break;
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}
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return 0;
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}
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static int
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ata_marvell_pata_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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if (ata_setup_interrupt(dev, ata_generic_intr))
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return ENXIO;
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ctlr->ch_attach = ata_marvell_pata_ch_attach;
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ctlr->ch_detach = ata_pci_ch_detach;
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ctlr->setmode = ata_marvell_pata_setmode;
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ctlr->channels = ctlr->chip->cfg1;
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return 0;
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}
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static int
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ata_marvell_pata_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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/* setup the usual register normal pci style */
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if (ata_pci_ch_attach(dev))
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return ENXIO;
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/* dont use 32 bit PIO transfers */
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ch->flags |= ATA_USE_16BIT;
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return 0;
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}
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static void
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ata_marvell_pata_setmode(device_t dev, int mode)
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{
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device_t gparent = GRANDPARENT(dev);
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struct ata_pci_controller *ctlr = device_get_softc(gparent);
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struct ata_device *atadev = device_get_softc(dev);
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mode = ata_limit_mode(dev, mode, ctlr->chip->max_dma);
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mode = ata_check_80pin(dev, mode);
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if (!ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode))
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atadev->mode = mode;
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}
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int
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ata_marvell_edma_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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if (ata_setup_interrupt(dev, ata_generic_intr))
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return ENXIO;
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ctlr->r_type1 = SYS_RES_MEMORY;
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ctlr->r_rid1 = PCIR_BAR(0);
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if (!(ctlr->r_res1 = bus_alloc_resource_any(dev, ctlr->r_type1,
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&ctlr->r_rid1, RF_ACTIVE)))
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return ENXIO;
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/* mask all host controller interrupts */
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ATA_OUTL(ctlr->r_res1, 0x01d64, 0x00000000);
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/* mask all PCI interrupts */
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ATA_OUTL(ctlr->r_res1, 0x01d5c, 0x00000000);
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ctlr->ch_attach = ata_marvell_edma_ch_attach;
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ctlr->ch_detach = ata_marvell_edma_ch_detach;
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ctlr->reset = ata_marvell_edma_reset;
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ctlr->setmode = ata_sata_setmode;
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ctlr->channels = ctlr->chip->cfg1;
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/* clear host controller interrupts */
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ATA_OUTL(ctlr->r_res1, 0x20014, 0x00000000);
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if (ctlr->chip->cfg1 > 4)
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ATA_OUTL(ctlr->r_res1, 0x30014, 0x00000000);
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/* clear PCI interrupts */
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ATA_OUTL(ctlr->r_res1, 0x01d58, 0x00000000);
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/* unmask PCI interrupts we want */
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ATA_OUTL(ctlr->r_res1, 0x01d5c, 0x007fffff);
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/* unmask host controller interrupts we want */
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ATA_OUTL(ctlr->r_res1, 0x01d64, 0x000000ff/*HC0*/ | 0x0001fe00/*HC1*/ |
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/*(1<<19) | (1<<20) | (1<<21) |*/(1<<22) | (1<<24) | (0x7f << 25));
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return 0;
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}
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static int
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ata_marvell_edma_ch_attach(device_t dev)
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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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u_int64_t work = ch->dma.work_bus;
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int i;
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ata_marvell_edma_dmainit(dev);
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/* clear work area */
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bzero(ch->dma.work, 1024+256);
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/* set legacy ATA resources */
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for (i = ATA_DATA; i <= ATA_COMMAND; i++) {
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ch->r_io[i].res = ctlr->r_res1;
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ch->r_io[i].offset = 0x02100 + (i << 2) + ATA_MV_EDMA_BASE(ch);
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}
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ch->r_io[ATA_CONTROL].res = ctlr->r_res1;
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ch->r_io[ATA_CONTROL].offset = 0x02120 + ATA_MV_EDMA_BASE(ch);
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ch->r_io[ATA_IDX_ADDR].res = ctlr->r_res1;
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ata_default_registers(dev);
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/* set SATA resources */
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switch (ctlr->chip->cfg2) {
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case MV_50XX:
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ch->r_io[ATA_SSTATUS].res = ctlr->r_res1;
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ch->r_io[ATA_SSTATUS].offset = 0x00100 + ATA_MV_HOST_BASE(ch);
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ch->r_io[ATA_SERROR].res = ctlr->r_res1;
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ch->r_io[ATA_SERROR].offset = 0x00104 + ATA_MV_HOST_BASE(ch);
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ch->r_io[ATA_SCONTROL].res = ctlr->r_res1;
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ch->r_io[ATA_SCONTROL].offset = 0x00108 + ATA_MV_HOST_BASE(ch);
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break;
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case MV_60XX:
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ch->r_io[ATA_SSTATUS].res = ctlr->r_res1;
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ch->r_io[ATA_SSTATUS].offset = 0x02300 + ATA_MV_EDMA_BASE(ch);
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ch->r_io[ATA_SERROR].res = ctlr->r_res1;
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ch->r_io[ATA_SERROR].offset = 0x02304 + ATA_MV_EDMA_BASE(ch);
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ch->r_io[ATA_SCONTROL].res = ctlr->r_res1;
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ch->r_io[ATA_SCONTROL].offset = 0x02308 + ATA_MV_EDMA_BASE(ch);
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ch->r_io[ATA_SACTIVE].res = ctlr->r_res1;
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ch->r_io[ATA_SACTIVE].offset = 0x02350 + ATA_MV_EDMA_BASE(ch);
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break;
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}
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ch->flags |= ATA_NO_SLAVE;
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ch->flags |= ATA_USE_16BIT; /* XXX SOS needed ? */
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ata_generic_hw(dev);
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ch->hw.begin_transaction = ata_marvell_edma_begin_transaction;
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ch->hw.end_transaction = ata_marvell_edma_end_transaction;
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ch->hw.status = ata_marvell_edma_status;
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/* disable the EDMA machinery */
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ATA_OUTL(ctlr->r_res1, 0x02028 + ATA_MV_EDMA_BASE(ch), 0x00000002);
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DELAY(100000); /* SOS should poll for disabled */
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/* set configuration to non-queued 128b read transfers stop on error */
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ATA_OUTL(ctlr->r_res1, 0x02000 + ATA_MV_EDMA_BASE(ch), (1<<11) | (1<<13));
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/* request queue base high */
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ATA_OUTL(ctlr->r_res1, 0x02010 + ATA_MV_EDMA_BASE(ch), work >> 32);
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/* request queue in ptr */
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ATA_OUTL(ctlr->r_res1, 0x02014 + ATA_MV_EDMA_BASE(ch), work & 0xffffffff);
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/* request queue out ptr */
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ATA_OUTL(ctlr->r_res1, 0x02018 + ATA_MV_EDMA_BASE(ch), 0x0);
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/* response queue base high */
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work += 1024;
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ATA_OUTL(ctlr->r_res1, 0x0201c + ATA_MV_EDMA_BASE(ch), work >> 32);
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/* response queue in ptr */
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ATA_OUTL(ctlr->r_res1, 0x02020 + ATA_MV_EDMA_BASE(ch), 0x0);
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/* response queue out ptr */
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ATA_OUTL(ctlr->r_res1, 0x02024 + ATA_MV_EDMA_BASE(ch), work & 0xffffffff);
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/* clear SATA error register */
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ATA_IDX_OUTL(ch, ATA_SERROR, ATA_IDX_INL(ch, ATA_SERROR));
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/* clear any outstanding error interrupts */
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ATA_OUTL(ctlr->r_res1, 0x02008 + ATA_MV_EDMA_BASE(ch), 0x0);
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/* unmask all error interrupts */
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ATA_OUTL(ctlr->r_res1, 0x0200c + ATA_MV_EDMA_BASE(ch), ~0x0);
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/* enable EDMA machinery */
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ATA_OUTL(ctlr->r_res1, 0x02028 + ATA_MV_EDMA_BASE(ch), 0x00000001);
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return 0;
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}
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static int
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ata_marvell_edma_ch_detach(device_t dev)
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{
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ata_dmafini(dev);
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return (0);
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}
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static int
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ata_marvell_edma_status(device_t dev)
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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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u_int32_t cause = ATA_INL(ctlr->r_res1, 0x01d60);
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int shift = (ch->unit << 1) + (ch->unit > 3);
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if (cause & (1 << shift)) {
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/* clear interrupt(s) */
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ATA_OUTL(ctlr->r_res1, 0x02008 + ATA_MV_EDMA_BASE(ch), 0x0);
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/* do we have any PHY events ? */
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ata_sata_phy_check_events(dev);
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}
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/* do we have any device action ? */
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return (cause & (2 << shift));
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}
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/* must be called with ATA channel locked and state_mtx held */
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static int
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ata_marvell_edma_begin_transaction(struct ata_request *request)
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{
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struct ata_pci_controller *ctlr=device_get_softc(GRANDPARENT(request->dev));
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struct ata_channel *ch = device_get_softc(request->parent);
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u_int32_t req_in;
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u_int8_t *bytep;
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u_int16_t *wordp;
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u_int32_t *quadp;
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int i;
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int error, slot;
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/* only DMA R/W goes through the EMDA machine */
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if (request->u.ata.command != ATA_READ_DMA &&
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request->u.ata.command != ATA_WRITE_DMA) {
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/* disable the EDMA machinery */
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if (ATA_INL(ctlr->r_res1, 0x02028 + ATA_MV_EDMA_BASE(ch)) & 0x00000001)
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ATA_OUTL(ctlr->r_res1, 0x02028 + ATA_MV_EDMA_BASE(ch), 0x00000002);
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return ata_begin_transaction(request);
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}
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/* check for 48 bit access and convert if needed */
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ata_modify_if_48bit(request);
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/* check sanity, setup SG list and DMA engine */
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if ((error = ch->dma.load(request, NULL, NULL))) {
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device_printf(request->dev, "setting up DMA failed\n");
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request->result = error;
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return ATA_OP_FINISHED;
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}
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/* get next free request queue slot */
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req_in = ATA_INL(ctlr->r_res1, 0x02014 + ATA_MV_EDMA_BASE(ch));
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slot = (((req_in & ~0xfffffc00) >> 5) + 0) & 0x1f;
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bytep = (u_int8_t *)(ch->dma.work);
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bytep += (slot << 5);
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wordp = (u_int16_t *)bytep;
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quadp = (u_int32_t *)bytep;
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/* fill in this request */
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quadp[0] = (long)request->dma->sg_bus & 0xffffffff;
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quadp[1] = (u_int64_t)request->dma->sg_bus >> 32;
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wordp[4] = (request->flags & ATA_R_READ ? 0x01 : 0x00) | (request->tag<<1);
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i = 10;
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bytep[i++] = (request->u.ata.count >> 8) & 0xff;
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bytep[i++] = 0x10 | ATA_COUNT;
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bytep[i++] = request->u.ata.count & 0xff;
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bytep[i++] = 0x10 | ATA_COUNT;
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bytep[i++] = (request->u.ata.lba >> 24) & 0xff;
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bytep[i++] = 0x10 | ATA_SECTOR;
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bytep[i++] = request->u.ata.lba & 0xff;
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bytep[i++] = 0x10 | ATA_SECTOR;
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bytep[i++] = (request->u.ata.lba >> 32) & 0xff;
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bytep[i++] = 0x10 | ATA_CYL_LSB;
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bytep[i++] = (request->u.ata.lba >> 8) & 0xff;
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bytep[i++] = 0x10 | ATA_CYL_LSB;
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bytep[i++] = (request->u.ata.lba >> 40) & 0xff;
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bytep[i++] = 0x10 | ATA_CYL_MSB;
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bytep[i++] = (request->u.ata.lba >> 16) & 0xff;
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bytep[i++] = 0x10 | ATA_CYL_MSB;
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bytep[i++] = ATA_D_LBA | ATA_D_IBM | ((request->u.ata.lba >> 24) & 0xf);
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bytep[i++] = 0x10 | ATA_DRIVE;
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bytep[i++] = request->u.ata.command;
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bytep[i++] = 0x90 | ATA_COMMAND;
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/* enable EDMA machinery if needed */
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if (!(ATA_INL(ctlr->r_res1, 0x02028 + ATA_MV_EDMA_BASE(ch)) & 0x00000001)) {
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ATA_OUTL(ctlr->r_res1, 0x02028 + ATA_MV_EDMA_BASE(ch), 0x00000001);
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while (!(ATA_INL(ctlr->r_res1,
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0x02028 + ATA_MV_EDMA_BASE(ch)) & 0x00000001))
|
|
DELAY(10);
|
|
}
|
|
|
|
/* tell EDMA it has a new request */
|
|
slot = (((req_in & ~0xfffffc00) >> 5) + 1) & 0x1f;
|
|
req_in &= 0xfffffc00;
|
|
req_in += (slot << 5);
|
|
ATA_OUTL(ctlr->r_res1, 0x02014 + ATA_MV_EDMA_BASE(ch), req_in);
|
|
|
|
return ATA_OP_CONTINUES;
|
|
}
|
|
|
|
/* must be called with ATA channel locked and state_mtx held */
|
|
static int
|
|
ata_marvell_edma_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);
|
|
int offset = (ch->unit > 3 ? 0x30014 : 0x20014);
|
|
u_int32_t icr = ATA_INL(ctlr->r_res1, offset);
|
|
int res;
|
|
|
|
/* EDMA interrupt */
|
|
if ((icr & (0x0001 << (ch->unit & 3)))) {
|
|
struct ata_marvell_response *response;
|
|
u_int32_t rsp_in, rsp_out;
|
|
int slot;
|
|
|
|
/* stop timeout */
|
|
callout_stop(&request->callout);
|
|
|
|
/* get response ptr's */
|
|
rsp_in = ATA_INL(ctlr->r_res1, 0x02020 + ATA_MV_EDMA_BASE(ch));
|
|
rsp_out = ATA_INL(ctlr->r_res1, 0x02024 + ATA_MV_EDMA_BASE(ch));
|
|
slot = (((rsp_in & ~0xffffff00) >> 3)) & 0x1f;
|
|
rsp_out &= 0xffffff00;
|
|
rsp_out += (slot << 3);
|
|
response = (struct ata_marvell_response *)
|
|
(ch->dma.work + 1024 + (slot << 3));
|
|
|
|
/* record status for this request */
|
|
request->status = response->dev_status;
|
|
request->error = 0;
|
|
|
|
/* ack response */
|
|
ATA_OUTL(ctlr->r_res1, 0x02024 + ATA_MV_EDMA_BASE(ch), rsp_out);
|
|
|
|
/* update progress */
|
|
if (!(request->status & ATA_S_ERROR) &&
|
|
!(request->flags & ATA_R_TIMEOUT))
|
|
request->donecount = request->bytecount;
|
|
|
|
/* unload SG list */
|
|
ch->dma.unload(request);
|
|
|
|
res = ATA_OP_FINISHED;
|
|
}
|
|
|
|
/* legacy ATA interrupt */
|
|
else {
|
|
res = ata_end_transaction(request);
|
|
}
|
|
|
|
/* ack interrupt */
|
|
ATA_OUTL(ctlr->r_res1, offset, ~(icr & (0x0101 << (ch->unit & 3))));
|
|
return res;
|
|
}
|
|
|
|
static void
|
|
ata_marvell_edma_reset(device_t dev)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
|
|
/* disable the EDMA machinery */
|
|
ATA_OUTL(ctlr->r_res1, 0x02028 + ATA_MV_EDMA_BASE(ch), 0x00000002);
|
|
while ((ATA_INL(ctlr->r_res1, 0x02028 + ATA_MV_EDMA_BASE(ch)) & 0x00000001))
|
|
DELAY(10);
|
|
|
|
/* clear SATA error register */
|
|
ATA_IDX_OUTL(ch, ATA_SERROR, ATA_IDX_INL(ch, ATA_SERROR));
|
|
|
|
/* clear any outstanding error interrupts */
|
|
ATA_OUTL(ctlr->r_res1, 0x02008 + ATA_MV_EDMA_BASE(ch), 0x0);
|
|
|
|
/* unmask all error interrupts */
|
|
ATA_OUTL(ctlr->r_res1, 0x0200c + ATA_MV_EDMA_BASE(ch), ~0x0);
|
|
|
|
/* enable channel and test for devices */
|
|
if (ata_sata_phy_reset(dev))
|
|
ata_generic_reset(dev);
|
|
|
|
/* enable EDMA machinery */
|
|
ATA_OUTL(ctlr->r_res1, 0x02028 + ATA_MV_EDMA_BASE(ch), 0x00000001);
|
|
}
|
|
|
|
static void
|
|
ata_marvell_edma_dmasetprd(void *xsc, bus_dma_segment_t *segs, int nsegs,
|
|
int error)
|
|
{
|
|
struct ata_dmasetprd_args *args = xsc;
|
|
struct ata_marvell_dma_prdentry *prd = args->dmatab;
|
|
int i;
|
|
|
|
if ((args->error = error))
|
|
return;
|
|
|
|
for (i = 0; i < nsegs; i++) {
|
|
prd[i].addrlo = htole32(segs[i].ds_addr);
|
|
prd[i].count = htole32(segs[i].ds_len);
|
|
prd[i].addrhi = htole32((u_int64_t)segs[i].ds_addr >> 32);
|
|
}
|
|
prd[i - 1].count |= htole32(ATA_DMA_EOT);
|
|
KASSERT(nsegs <= ATA_DMA_ENTRIES, ("too many DMA segment entries\n"));
|
|
args->nsegs = nsegs;
|
|
}
|
|
|
|
static void
|
|
ata_marvell_edma_dmainit(device_t dev)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
|
|
ata_dmainit(dev);
|
|
/* note start and stop are not used here */
|
|
ch->dma.setprd = ata_marvell_edma_dmasetprd;
|
|
|
|
/* if 64bit support present adjust max address used */
|
|
if (ATA_INL(ctlr->r_res1, 0x00d00) & 0x00000004)
|
|
ch->dma.max_address = BUS_SPACE_MAXADDR;
|
|
|
|
/* chip does not reliably do 64K DMA transfers */
|
|
ch->dma.max_iosize = 64 * DEV_BSIZE;
|
|
}
|
|
|
|
ATA_DECLARE_DRIVER(ata_marvell);
|