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