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freebsd-nq/sys/dev/ata/chipsets/ata-intel.c
Alexander Motin dd7df419bb Increase reset assertion time from 10 to 100us. 
On my own tests I see no effect from this change, but I also can't
reproduce the reported problem in general.

PR:		127391
PR:		204554
Submitted by:	satz@iranger.com
MFC after:	2 weeks
2015-11-15 10:58:01 +00:00

927 lines
29 KiB
C
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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_intel_chipinit(device_t dev);
static int ata_intel_chipdeinit(device_t dev);
static int ata_intel_ch_attach(device_t dev);
static void ata_intel_reset(device_t dev);
static int ata_intel_old_setmode(device_t dev, int target, int mode);
static int ata_intel_new_setmode(device_t dev, int target, int mode);
static int ata_intel_sch_setmode(device_t dev, int target, int mode);
static int ata_intel_sata_getrev(device_t dev, int target);
static int ata_intel_sata_status(device_t dev);
static int ata_intel_sata_ahci_read(device_t dev, int port,
int reg, u_int32_t *result);
static int ata_intel_sata_cscr_read(device_t dev, int port,
int reg, u_int32_t *result);
static int ata_intel_sata_sidpr_read(device_t dev, int port,
int reg, u_int32_t *result);
static int ata_intel_sata_ahci_write(device_t dev, int port,
int reg, u_int32_t result);
static int ata_intel_sata_cscr_write(device_t dev, int port,
int reg, u_int32_t result);
static int ata_intel_sata_sidpr_write(device_t dev, int port,
int reg, u_int32_t result);
static int ata_intel_sata_sidpr_test(device_t dev);
static int ata_intel_31244_ch_attach(device_t dev);
static int ata_intel_31244_ch_detach(device_t dev);
static int ata_intel_31244_status(device_t dev);
static void ata_intel_31244_tf_write(struct ata_request *request);
static void ata_intel_31244_reset(device_t dev);
/* misc defines */
#define INTEL_ICH5 2
#define INTEL_6CH 4
#define INTEL_6CH2 8
#define INTEL_ICH7 16
struct ata_intel_data {
struct mtx lock;
u_char smap[4];
};
#define ATA_INTEL_SMAP(ctlr, ch) \
&((struct ata_intel_data *)((ctlr)->chipset_data))->smap[(ch)->unit * 2]
#define ATA_INTEL_LOCK(ctlr) \
mtx_lock(&((struct ata_intel_data *)((ctlr)->chipset_data))->lock)
#define ATA_INTEL_UNLOCK(ctlr) \
mtx_unlock(&((struct ata_intel_data *)((ctlr)->chipset_data))->lock)
/*
* Intel chipset support functions
*/
static int
ata_intel_probe(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(dev);
static const struct ata_chip_id ids[] =
{{ ATA_I82371FB, 0, 0, 2, ATA_WDMA2, "PIIX" },
{ ATA_I82371SB, 0, 0, 2, ATA_WDMA2, "PIIX3" },
{ ATA_I82371AB, 0, 0, 2, ATA_UDMA2, "PIIX4" },
{ ATA_I82443MX, 0, 0, 2, ATA_UDMA2, "PIIX4" },
{ ATA_I82451NX, 0, 0, 2, ATA_UDMA2, "PIIX4" },
{ ATA_I82801AB, 0, 0, 2, ATA_UDMA2, "ICH0" },
{ ATA_I82801AA, 0, 0, 2, ATA_UDMA4, "ICH" },
{ ATA_I82372FB, 0, 0, 2, ATA_UDMA4, "ICH" },
{ ATA_I82801BA, 0, 0, 2, ATA_UDMA5, "ICH2" },
{ ATA_I82801BA_1, 0, 0, 2, ATA_UDMA5, "ICH2" },
{ ATA_I82801CA, 0, 0, 2, ATA_UDMA5, "ICH3" },
{ ATA_I82801CA_1, 0, 0, 2, ATA_UDMA5, "ICH3" },
{ ATA_I82801DB, 0, 0, 2, ATA_UDMA5, "ICH4" },
{ ATA_I82801DB_1, 0, 0, 2, ATA_UDMA5, "ICH4" },
{ ATA_I82801EB, 0, 0, 2, ATA_UDMA5, "ICH5" },
{ ATA_I82801EB_S1, 0, INTEL_ICH5, 2, ATA_SA150, "ICH5" },
{ ATA_I82801EB_R1, 0, INTEL_ICH5, 2, ATA_SA150, "ICH5" },
{ ATA_I6300ESB, 0, 0, 2, ATA_UDMA5, "6300ESB" },
{ ATA_I6300ESB_S1, 0, INTEL_ICH5, 2, ATA_SA150, "6300ESB" },
{ ATA_I6300ESB_R1, 0, INTEL_ICH5, 2, ATA_SA150, "6300ESB" },
{ ATA_I82801FB, 0, 0, 2, ATA_UDMA5, "ICH6" },
{ ATA_I82801FB_S1, 0, 0, 0, ATA_SA150, "ICH6" },
{ ATA_I82801FB_R1, 0, 0, 0, ATA_SA150, "ICH6" },
{ ATA_I82801FBM, 0, 0, 0, ATA_SA150, "ICH6M" },
{ ATA_I82801GB, 0, 0, 1, ATA_UDMA5, "ICH7" },
{ ATA_I82801GB_S1, 0, INTEL_ICH7, 0, ATA_SA300, "ICH7" },
{ ATA_I82801GBM_S1, 0, INTEL_ICH7, 0, ATA_SA150, "ICH7M" },
{ ATA_I63XXESB2, 0, 0, 1, ATA_UDMA5, "63XXESB2" },
{ ATA_I63XXESB2_S1, 0, 0, 0, ATA_SA300, "63XXESB2" },
{ ATA_I82801HB_S1, 0, INTEL_6CH, 0, ATA_SA300, "ICH8" },
{ ATA_I82801HB_S2, 0, INTEL_6CH2, 0, ATA_SA300, "ICH8" },
{ ATA_I82801HBM, 0, 0, 1, ATA_UDMA5, "ICH8M" },
{ ATA_I82801HBM_S1, 0, INTEL_6CH, 0, ATA_SA300, "ICH8M" },
{ ATA_I82801IB_S1, 0, INTEL_6CH, 0, ATA_SA300, "ICH9" },
{ ATA_I82801IB_S2, 0, INTEL_6CH2, 0, ATA_SA300, "ICH9" },
{ ATA_I82801IB_S3, 0, INTEL_6CH2, 0, ATA_SA300, "ICH9" },
{ ATA_I82801IBM_S1, 0, INTEL_6CH2, 0, ATA_SA300, "ICH9M" },
{ ATA_I82801IBM_S2, 0, INTEL_6CH2, 0, ATA_SA300, "ICH9M" },
{ ATA_I82801JIB_S1, 0, INTEL_6CH, 0, ATA_SA300, "ICH10" },
{ ATA_I82801JIB_S2, 0, INTEL_6CH2, 0, ATA_SA300, "ICH10" },
{ ATA_I82801JD_S1, 0, INTEL_6CH, 0, ATA_SA300, "ICH10" },
{ ATA_I82801JD_S2, 0, INTEL_6CH2, 0, ATA_SA300, "ICH10" },
{ ATA_I82801JI_S1, 0, INTEL_6CH, 0, ATA_SA300, "ICH10" },
{ ATA_I82801JI_S2, 0, INTEL_6CH2, 0, ATA_SA300, "ICH10" },
{ ATA_5Series_S1, 0, INTEL_6CH, 0, ATA_SA300, "5 Series/3400 Series PCH" },
{ ATA_5Series_S2, 0, INTEL_6CH2, 0, ATA_SA300, "5 Series/3400 Series PCH" },
{ ATA_5Series_S3, 0, INTEL_6CH2, 0, ATA_SA300, "5 Series/3400 Series PCH" },
{ ATA_5Series_S4, 0, INTEL_6CH, 0, ATA_SA300, "5 Series/3400 Series PCH" },
{ ATA_5Series_S5, 0, INTEL_6CH2, 0, ATA_SA300, "5 Series/3400 Series PCH" },
{ ATA_5Series_S6, 0, INTEL_6CH, 0, ATA_SA300, "5 Series/3400 Series PCH" },
{ ATA_CPT_S1, 0, INTEL_6CH, 0, ATA_SA600, "Cougar Point" },
{ ATA_CPT_S2, 0, INTEL_6CH, 0, ATA_SA600, "Cougar Point" },
{ ATA_CPT_S3, 0, INTEL_6CH2, 0, ATA_SA300, "Cougar Point" },
{ ATA_CPT_S4, 0, INTEL_6CH2, 0, ATA_SA300, "Cougar Point" },
{ ATA_PBG_S1, 0, INTEL_6CH, 0, ATA_SA600, "Patsburg" },
{ ATA_PBG_S2, 0, INTEL_6CH2, 0, ATA_SA300, "Patsburg" },
{ ATA_PPT_S1, 0, INTEL_6CH, 0, ATA_SA600, "Panther Point" },
{ ATA_PPT_S2, 0, INTEL_6CH, 0, ATA_SA600, "Panther Point" },
{ ATA_PPT_S3, 0, INTEL_6CH2, 0, ATA_SA300, "Panther Point" },
{ ATA_PPT_S4, 0, INTEL_6CH2, 0, ATA_SA300, "Panther Point" },
{ ATA_AVOTON_S1, 0, INTEL_6CH, 0, ATA_SA600, "Avoton" },
{ ATA_AVOTON_S2, 0, INTEL_6CH, 0, ATA_SA600, "Avoton" },
{ ATA_AVOTON_S3, 0, INTEL_6CH2, 0, ATA_SA300, "Avoton" },
{ ATA_AVOTON_S4, 0, INTEL_6CH2, 0, ATA_SA300, "Avoton" },
{ ATA_LPT_S1, 0, INTEL_6CH, 0, ATA_SA600, "Lynx Point" },
{ ATA_LPT_S2, 0, INTEL_6CH, 0, ATA_SA600, "Lynx Point" },
{ ATA_LPT_S3, 0, INTEL_6CH2, 0, ATA_SA600, "Lynx Point" },
{ ATA_LPT_S4, 0, INTEL_6CH2, 0, ATA_SA600, "Lynx Point" },
{ ATA_WCPT_S1, 0, INTEL_6CH, 0, ATA_SA600, "Wildcat Point" },
{ ATA_WCPT_S2, 0, INTEL_6CH, 0, ATA_SA600, "Wildcat Point" },
{ ATA_WCPT_S3, 0, INTEL_6CH2, 0, ATA_SA600, "Wildcat Point" },
{ ATA_WCPT_S4, 0, INTEL_6CH2, 0, ATA_SA600, "Wildcat Point" },
{ ATA_WELLS_S1, 0, INTEL_6CH, 0, ATA_SA600, "Wellsburg" },
{ ATA_WELLS_S2, 0, INTEL_6CH2, 0, ATA_SA600, "Wellsburg" },
{ ATA_WELLS_S3, 0, INTEL_6CH, 0, ATA_SA600, "Wellsburg" },
{ ATA_WELLS_S4, 0, INTEL_6CH2, 0, ATA_SA600, "Wellsburg" },
{ ATA_LPTLP_S1, 0, INTEL_6CH, 0, ATA_SA600, "Lynx Point-LP" },
{ ATA_LPTLP_S2, 0, INTEL_6CH, 0, ATA_SA600, "Lynx Point-LP" },
{ ATA_LPTLP_S3, 0, INTEL_6CH2, 0, ATA_SA300, "Lynx Point-LP" },
{ ATA_LPTLP_S4, 0, INTEL_6CH2, 0, ATA_SA300, "Lynx Point-LP" },
{ ATA_I31244, 0, 0, 2, ATA_SA150, "31244" },
{ ATA_ISCH, 0, 0, 1, ATA_UDMA5, "SCH" },
{ ATA_COLETOCRK_S1, 0, INTEL_6CH2, 0, ATA_SA300, "COLETOCRK" },
{ ATA_COLETOCRK_S2, 0, INTEL_6CH2, 0, ATA_SA300, "COLETOCRK" },
{ 0, 0, 0, 0, 0, 0}};
if (pci_get_vendor(dev) != ATA_INTEL_ID)
return ENXIO;
if (!(ctlr->chip = ata_match_chip(dev, ids)))
return ENXIO;
ata_set_desc(dev);
ctlr->chipinit = ata_intel_chipinit;
ctlr->chipdeinit = ata_intel_chipdeinit;
return (BUS_PROBE_LOW_PRIORITY);
}
static int
ata_intel_chipinit(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(dev);
struct ata_intel_data *data;
if (ata_setup_interrupt(dev, ata_generic_intr))
return ENXIO;
data = malloc(sizeof(struct ata_intel_data), M_ATAPCI, M_WAITOK | M_ZERO);
mtx_init(&data->lock, "Intel SATA lock", NULL, MTX_DEF);
ctlr->chipset_data = (void *)data;
/* good old PIIX needs special treatment (not implemented) */
if (ctlr->chip->chipid == ATA_I82371FB) {
ctlr->setmode = ata_intel_old_setmode;
}
/* the intel 31244 needs special care if in DPA mode */
else if (ctlr->chip->chipid == ATA_I31244) {
if (pci_get_subclass(dev) != PCIS_STORAGE_IDE) {
ctlr->r_type2 = SYS_RES_MEMORY;
ctlr->r_rid2 = PCIR_BAR(0);
if (!(ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
&ctlr->r_rid2,
RF_ACTIVE)))
return ENXIO;
ctlr->channels = 4;
ctlr->ch_attach = ata_intel_31244_ch_attach;
ctlr->ch_detach = ata_intel_31244_ch_detach;
ctlr->reset = ata_intel_31244_reset;
}
ctlr->setmode = ata_sata_setmode;
ctlr->getrev = ata_sata_getrev;
}
/* SCH */
else if (ctlr->chip->chipid == ATA_ISCH) {
ctlr->channels = 1;
ctlr->ch_attach = ata_intel_ch_attach;
ctlr->ch_detach = ata_pci_ch_detach;
ctlr->setmode = ata_intel_sch_setmode;
}
/* non SATA intel chips goes here */
else if (ctlr->chip->max_dma < ATA_SA150) {
ctlr->channels = ctlr->chip->cfg2;
ctlr->ch_attach = ata_intel_ch_attach;
ctlr->ch_detach = ata_pci_ch_detach;
ctlr->setmode = ata_intel_new_setmode;
}
/* SATA parts can be either compat or AHCI */
else {
/* force all ports active "the legacy way" */
pci_write_config(dev, 0x92, pci_read_config(dev, 0x92, 2) | 0x0f, 2);
ctlr->ch_attach = ata_intel_ch_attach;
ctlr->ch_detach = ata_pci_ch_detach;
ctlr->reset = ata_intel_reset;
/* BAR(5) may point to SATA interface registers */
if ((ctlr->chip->cfg1 & INTEL_ICH7)) {
ctlr->r_type2 = SYS_RES_MEMORY;
ctlr->r_rid2 = PCIR_BAR(5);
ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
&ctlr->r_rid2, RF_ACTIVE);
if (ctlr->r_res2 != NULL) {
/* Set SCRAE bit to enable registers access. */
pci_write_config(dev, 0x94,
pci_read_config(dev, 0x94, 4) | (1 << 9), 4);
/* Set Ports Implemented register bits. */
ATA_OUTL(ctlr->r_res2, 0x0C,
ATA_INL(ctlr->r_res2, 0x0C) | 0xf);
}
/* Skip BAR(5) on ICH8M Apples, system locks up on access. */
} else if (ctlr->chip->chipid != ATA_I82801HBM_S1 ||
pci_get_subvendor(dev) != 0x106b) {
ctlr->r_type2 = SYS_RES_IOPORT;
ctlr->r_rid2 = PCIR_BAR(5);
ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
&ctlr->r_rid2, RF_ACTIVE);
}
if (ctlr->r_res2 != NULL ||
(ctlr->chip->cfg1 & INTEL_ICH5))
ctlr->getrev = ata_intel_sata_getrev;
ctlr->setmode = ata_sata_setmode;
}
return 0;
}
static int
ata_intel_chipdeinit(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(dev);
struct ata_intel_data *data;
data = ctlr->chipset_data;
mtx_destroy(&data->lock);
free(data, M_ATAPCI);
ctlr->chipset_data = NULL;
return (0);
}
static int
ata_intel_ch_attach(device_t dev)
{
struct ata_pci_controller *ctlr;
struct ata_channel *ch;
u_char *smap;
u_int map;
/* setup the usual register normal pci style */
if (ata_pci_ch_attach(dev))
return (ENXIO);
ctlr = device_get_softc(device_get_parent(dev));
ch = device_get_softc(dev);
/* if r_res2 is valid it points to SATA interface registers */
if (ctlr->r_res2) {
ch->r_io[ATA_IDX_ADDR].res = ctlr->r_res2;
ch->r_io[ATA_IDX_ADDR].offset = 0x00;
ch->r_io[ATA_IDX_DATA].res = ctlr->r_res2;
ch->r_io[ATA_IDX_DATA].offset = 0x04;
}
ch->flags |= ATA_ALWAYS_DMASTAT;
if (ctlr->chip->max_dma >= ATA_SA150) {
smap = ATA_INTEL_SMAP(ctlr, ch);
map = pci_read_config(device_get_parent(dev), 0x90, 1);
if (ctlr->chip->cfg1 & INTEL_ICH5) {
map &= 0x07;
if ((map & 0x04) == 0) {
ch->flags |= ATA_SATA;
ch->flags |= ATA_NO_SLAVE;
smap[0] = (map & 0x01) ^ ch->unit;
smap[1] = 0;
} else if ((map & 0x02) == 0 && ch->unit == 0) {
ch->flags |= ATA_SATA;
smap[0] = (map & 0x01) ? 1 : 0;
smap[1] = (map & 0x01) ? 0 : 1;
} else if ((map & 0x02) != 0 && ch->unit == 1) {
ch->flags |= ATA_SATA;
smap[0] = (map & 0x01) ? 1 : 0;
smap[1] = (map & 0x01) ? 0 : 1;
}
} else if (ctlr->chip->cfg1 & INTEL_6CH2) {
ch->flags |= ATA_SATA;
ch->flags |= ATA_NO_SLAVE;
smap[0] = (ch->unit == 0) ? 0 : 1;
smap[1] = 0;
} else {
map &= 0x03;
if (map == 0x00) {
ch->flags |= ATA_SATA;
smap[0] = (ch->unit == 0) ? 0 : 1;
smap[1] = (ch->unit == 0) ? 2 : 3;
} else if (map == 0x02 && ch->unit == 0) {
ch->flags |= ATA_SATA;
smap[0] = 0;
smap[1] = 2;
} else if (map == 0x01 && ch->unit == 1) {
ch->flags |= ATA_SATA;
smap[0] = 1;
smap[1] = 3;
}
}
if (ch->flags & ATA_SATA) {
if ((ctlr->chip->cfg1 & INTEL_ICH5)) {
ch->hw.pm_read = ata_intel_sata_cscr_read;
ch->hw.pm_write = ata_intel_sata_cscr_write;
} else if (ctlr->r_res2) {
if ((ctlr->chip->cfg1 & INTEL_ICH7)) {
ch->hw.pm_read = ata_intel_sata_ahci_read;
ch->hw.pm_write = ata_intel_sata_ahci_write;
} else if (ata_intel_sata_sidpr_test(dev)) {
ch->hw.pm_read = ata_intel_sata_sidpr_read;
ch->hw.pm_write = ata_intel_sata_sidpr_write;
};
}
if (ch->hw.pm_write != NULL) {
ch->flags |= ATA_PERIODIC_POLL;
ch->hw.status = ata_intel_sata_status;
ata_sata_scr_write(ch, 0,
ATA_SERROR, 0xffffffff);
if ((ch->flags & ATA_NO_SLAVE) == 0) {
ata_sata_scr_write(ch, 1,
ATA_SERROR, 0xffffffff);
}
}
} else
ctlr->setmode = ata_intel_new_setmode;
if (ctlr->chip->max_dma >= ATA_SA600)
ch->flags |= ATA_USE_16BIT;
} else if (ctlr->chip->chipid != ATA_ISCH)
ch->flags |= ATA_CHECKS_CABLE;
return (0);
}
static void
ata_intel_reset(device_t dev)
{
device_t parent = device_get_parent(dev);
struct ata_pci_controller *ctlr = device_get_softc(parent);
struct ata_channel *ch = device_get_softc(dev);
int mask, pshift, timeout, devs;
u_char *smap;
uint16_t pcs;
/* In combined mode, skip SATA stuff for PATA channel. */
if ((ch->flags & ATA_SATA) == 0)
return (ata_generic_reset(dev));
/* Do hard-reset on respective SATA ports. */
smap = ATA_INTEL_SMAP(ctlr, ch);
mask = 1 << smap[0];
if ((ch->flags & ATA_NO_SLAVE) == 0)
mask |= (1 << smap[1]);
pci_write_config(parent, 0x92,
pci_read_config(parent, 0x92, 2) & ~mask, 2);
DELAY(100);
pci_write_config(parent, 0x92,
pci_read_config(parent, 0x92, 2) | mask, 2);
/* Wait up to 1 sec for "connect well". */
if (ctlr->chip->cfg1 & (INTEL_6CH | INTEL_6CH2))
pshift = 8;
else
pshift = 4;
for (timeout = 0; timeout < 100 ; timeout++) {
pcs = (pci_read_config(parent, 0x92, 2) >> pshift) & mask;
if ((pcs == mask) && (ATA_IDX_INB(ch, ATA_STATUS) != 0xff))
break;
ata_udelay(10000);
}
if (bootverbose)
device_printf(dev, "SATA reset: ports status=0x%02x\n", pcs);
/* If any device found, do soft-reset. */
if (ch->hw.pm_read != NULL) {
devs = ata_sata_phy_reset(dev, 0, 2) ? ATA_ATA_MASTER : 0;
if ((ch->flags & ATA_NO_SLAVE) == 0)
devs |= ata_sata_phy_reset(dev, 1, 2) ?
ATA_ATA_SLAVE : 0;
} else {
devs = (pcs & (1 << smap[0])) ? ATA_ATA_MASTER : 0;
if ((ch->flags & ATA_NO_SLAVE) == 0)
devs |= (pcs & (1 << smap[1])) ?
ATA_ATA_SLAVE : 0;
}
if (devs) {
ata_generic_reset(dev);
/* Reset may give fake slave when only ATAPI master present. */
ch->devices &= (devs | (devs * ATA_ATAPI_MASTER));
} else
ch->devices = 0;
}
static int
ata_intel_old_setmode(device_t dev, int target, int mode)
{
device_t parent = device_get_parent(dev);
struct ata_pci_controller *ctlr = device_get_softc(parent);
mode = min(mode, ctlr->chip->max_dma);
return (mode);
}
static int
ata_intel_new_setmode(device_t dev, int target, int mode)
{
device_t parent = device_get_parent(dev);
struct ata_pci_controller *ctlr = device_get_softc(parent);
struct ata_channel *ch = device_get_softc(dev);
int devno = (ch->unit << 1) + target;
int piomode;
u_int32_t reg40 = pci_read_config(parent, 0x40, 4);
u_int8_t reg44 = pci_read_config(parent, 0x44, 1);
u_int8_t reg48 = pci_read_config(parent, 0x48, 1);
u_int16_t reg4a = pci_read_config(parent, 0x4a, 2);
u_int16_t reg54 = pci_read_config(parent, 0x54, 2);
u_int32_t mask40 = 0, new40 = 0;
u_int8_t mask44 = 0, new44 = 0;
static const uint8_t timings[] =
{ 0x00, 0x00, 0x10, 0x21, 0x23, 0x00, 0x21, 0x23 };
static const uint8_t utimings[] =
{ 0x00, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02 };
/* In combined mode, skip PATA stuff for SATA channel. */
if (ch->flags & ATA_SATA)
return (ata_sata_setmode(dev, target, mode));
mode = min(mode, ctlr->chip->max_dma);
if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
!(reg54 & (0x10 << devno))) {
ata_print_cable(dev, "controller");
mode = ATA_UDMA2;
}
/* Enable/disable UDMA and set timings. */
if (mode >= ATA_UDMA0) {
pci_write_config(parent, 0x48, reg48 | (0x0001 << devno), 2);
pci_write_config(parent, 0x4a,
(reg4a & ~(0x3 << (devno << 2))) |
(utimings[mode & ATA_MODE_MASK] << (devno<<2)), 2);
piomode = ATA_PIO4;
} else {
pci_write_config(parent, 0x48, reg48 & ~(0x0001 << devno), 2);
pci_write_config(parent, 0x4a, (reg4a & ~(0x3 << (devno << 2))),2);
piomode = mode;
}
reg54 |= 0x0400;
/* Set UDMA reference clock (33/66/133MHz). */
reg54 &= ~(0x1001 << devno);
if (mode >= ATA_UDMA5)
reg54 |= (0x1000 << devno);
else if (mode >= ATA_UDMA3)
reg54 |= (0x1 << devno);
pci_write_config(parent, 0x54, reg54, 2);
/* Allow PIO/WDMA timing controls. */
reg40 &= ~0x00ff00ff;
reg40 |= 0x40774077;
/* Set PIO/WDMA timings. */
if (target == 0) {
mask40 = 0x3300;
new40 = timings[ata_mode2idx(piomode)] << 8;
} else {
mask44 = 0x0f;
new44 = ((timings[ata_mode2idx(piomode)] & 0x30) >> 2) |
(timings[ata_mode2idx(piomode)] & 0x03);
}
if (ch->unit) {
mask40 <<= 16;
new40 <<= 16;
mask44 <<= 4;
new44 <<= 4;
}
pci_write_config(parent, 0x40, (reg40 & ~mask40) | new40, 4);
pci_write_config(parent, 0x44, (reg44 & ~mask44) | new44, 1);
return (mode);
}
static int
ata_intel_sch_setmode(device_t dev, int target, int mode)
{
device_t parent = device_get_parent(dev);
struct ata_pci_controller *ctlr = device_get_softc(parent);
u_int8_t dtim = 0x80 + (target << 2);
u_int32_t tim = pci_read_config(parent, dtim, 4);
int piomode;
mode = min(mode, ctlr->chip->max_dma);
if (mode >= ATA_UDMA0) {
tim |= (0x1 << 31);
tim &= ~(0x7 << 16);
tim |= ((mode & ATA_MODE_MASK) << 16);
piomode = ATA_PIO4;
} else if (mode >= ATA_WDMA0) {
tim &= ~(0x1 << 31);
tim &= ~(0x3 << 8);
tim |= ((mode & ATA_MODE_MASK) << 8);
piomode = (mode == ATA_WDMA0) ? ATA_PIO0 :
(mode == ATA_WDMA1) ? ATA_PIO3 : ATA_PIO4;
} else
piomode = mode;
tim &= ~(0x7);
tim |= (piomode & 0x7);
pci_write_config(parent, dtim, tim, 4);
return (mode);
}
static int
ata_intel_sata_getrev(device_t dev, int target)
{
struct ata_channel *ch = device_get_softc(dev);
uint32_t status;
if (ata_sata_scr_read(ch, target, ATA_SSTATUS, &status) == 0)
return ((status & 0x0f0) >> 4);
return (0xff);
}
static int
ata_intel_sata_status(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
ata_sata_phy_check_events(dev, 0);
if ((ch->flags & ATA_NO_SLAVE) == 0)
ata_sata_phy_check_events(dev, 1);
return ata_pci_status(dev);
}
static int
ata_intel_sata_ahci_read(device_t dev, int port, int reg, u_int32_t *result)
{
struct ata_pci_controller *ctlr;
struct ata_channel *ch;
device_t parent;
u_char *smap;
int offset;
parent = device_get_parent(dev);
ctlr = device_get_softc(parent);
ch = device_get_softc(dev);
port = (port == 1) ? 1 : 0;
smap = ATA_INTEL_SMAP(ctlr, ch);
offset = 0x100 + smap[port] * 0x80;
switch (reg) {
case ATA_SSTATUS:
reg = 0x28;
break;
case ATA_SCONTROL:
reg = 0x2c;
break;
case ATA_SERROR:
reg = 0x30;
break;
default:
return (EINVAL);
}
*result = ATA_INL(ctlr->r_res2, offset + reg);
return (0);
}
static int
ata_intel_sata_cscr_read(device_t dev, int port, int reg, u_int32_t *result)
{
struct ata_pci_controller *ctlr;
struct ata_channel *ch;
device_t parent;
u_char *smap;
parent = device_get_parent(dev);
ctlr = device_get_softc(parent);
ch = device_get_softc(dev);
smap = ATA_INTEL_SMAP(ctlr, ch);
port = (port == 1) ? 1 : 0;
switch (reg) {
case ATA_SSTATUS:
reg = 0;
break;
case ATA_SERROR:
reg = 1;
break;
case ATA_SCONTROL:
reg = 2;
break;
default:
return (EINVAL);
}
ATA_INTEL_LOCK(ctlr);
pci_write_config(parent, 0xa0,
0x50 + smap[port] * 0x10 + reg * 4, 4);
*result = pci_read_config(parent, 0xa4, 4);
ATA_INTEL_UNLOCK(ctlr);
return (0);
}
static int
ata_intel_sata_sidpr_read(device_t dev, int port, int reg, u_int32_t *result)
{
struct ata_pci_controller *ctlr;
struct ata_channel *ch;
device_t parent;
parent = device_get_parent(dev);
ctlr = device_get_softc(parent);
ch = device_get_softc(dev);
port = (port == 1) ? 1 : 0;
switch (reg) {
case ATA_SSTATUS:
reg = 0;
break;
case ATA_SCONTROL:
reg = 1;
break;
case ATA_SERROR:
reg = 2;
break;
default:
return (EINVAL);
}
ATA_INTEL_LOCK(ctlr);
ATA_IDX_OUTL(ch, ATA_IDX_ADDR, ((ch->unit * 2 + port) << 8) + reg);
*result = ATA_IDX_INL(ch, ATA_IDX_DATA);
ATA_INTEL_UNLOCK(ctlr);
return (0);
}
static int
ata_intel_sata_ahci_write(device_t dev, int port, int reg, u_int32_t value)
{
struct ata_pci_controller *ctlr;
struct ata_channel *ch;
device_t parent;
u_char *smap;
int offset;
parent = device_get_parent(dev);
ctlr = device_get_softc(parent);
ch = device_get_softc(dev);
port = (port == 1) ? 1 : 0;
smap = ATA_INTEL_SMAP(ctlr, ch);
offset = 0x100 + smap[port] * 0x80;
switch (reg) {
case ATA_SSTATUS:
reg = 0x28;
break;
case ATA_SCONTROL:
reg = 0x2c;
break;
case ATA_SERROR:
reg = 0x30;
break;
default:
return (EINVAL);
}
ATA_OUTL(ctlr->r_res2, offset + reg, value);
return (0);
}
static int
ata_intel_sata_cscr_write(device_t dev, int port, int reg, u_int32_t value)
{
struct ata_pci_controller *ctlr;
struct ata_channel *ch;
device_t parent;
u_char *smap;
parent = device_get_parent(dev);
ctlr = device_get_softc(parent);
ch = device_get_softc(dev);
smap = ATA_INTEL_SMAP(ctlr, ch);
port = (port == 1) ? 1 : 0;
switch (reg) {
case ATA_SSTATUS:
reg = 0;
break;
case ATA_SERROR:
reg = 1;
break;
case ATA_SCONTROL:
reg = 2;
break;
default:
return (EINVAL);
}
ATA_INTEL_LOCK(ctlr);
pci_write_config(parent, 0xa0,
0x50 + smap[port] * 0x10 + reg * 4, 4);
pci_write_config(parent, 0xa4, value, 4);
ATA_INTEL_UNLOCK(ctlr);
return (0);
}
static int
ata_intel_sata_sidpr_write(device_t dev, int port, int reg, u_int32_t value)
{
struct ata_pci_controller *ctlr;
struct ata_channel *ch;
device_t parent;
parent = device_get_parent(dev);
ctlr = device_get_softc(parent);
ch = device_get_softc(dev);
port = (port == 1) ? 1 : 0;
switch (reg) {
case ATA_SSTATUS:
reg = 0;
break;
case ATA_SCONTROL:
reg = 1;
break;
case ATA_SERROR:
reg = 2;
break;
default:
return (EINVAL);
}
ATA_INTEL_LOCK(ctlr);
ATA_IDX_OUTL(ch, ATA_IDX_ADDR, ((ch->unit * 2 + port) << 8) + reg);
ATA_IDX_OUTL(ch, ATA_IDX_DATA, value);
ATA_INTEL_UNLOCK(ctlr);
return (0);
}
static int
ata_intel_sata_sidpr_test(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
int port;
uint32_t val;
port = (ch->flags & ATA_NO_SLAVE) ? 0 : 1;
for (; port >= 0; port--) {
ata_intel_sata_sidpr_read(dev, port, ATA_SCONTROL, &val);
if ((val & ATA_SC_IPM_MASK) ==
(ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER))
return (1);
val |= ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER;
ata_intel_sata_sidpr_write(dev, port, ATA_SCONTROL, val);
ata_intel_sata_sidpr_read(dev, port, ATA_SCONTROL, &val);
if ((val & ATA_SC_IPM_MASK) ==
(ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER))
return (1);
}
if (bootverbose)
device_printf(dev,
"SControl registers are not functional: %08x\n", val);
return (0);
}
static int
ata_intel_31244_ch_attach(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
struct ata_channel *ch = device_get_softc(dev);
int i;
int ch_offset;
ata_pci_dmainit(dev);
ch_offset = 0x200 + ch->unit * 0x200;
for (i = ATA_DATA; i < ATA_MAX_RES; i++)
ch->r_io[i].res = ctlr->r_res2;
/* setup ATA registers */
ch->r_io[ATA_DATA].offset = ch_offset + 0x00;
ch->r_io[ATA_FEATURE].offset = ch_offset + 0x06;
ch->r_io[ATA_COUNT].offset = ch_offset + 0x08;
ch->r_io[ATA_SECTOR].offset = ch_offset + 0x0c;
ch->r_io[ATA_CYL_LSB].offset = ch_offset + 0x10;
ch->r_io[ATA_CYL_MSB].offset = ch_offset + 0x14;
ch->r_io[ATA_DRIVE].offset = ch_offset + 0x18;
ch->r_io[ATA_COMMAND].offset = ch_offset + 0x1d;
ch->r_io[ATA_ERROR].offset = ch_offset + 0x04;
ch->r_io[ATA_STATUS].offset = ch_offset + 0x1c;
ch->r_io[ATA_ALTSTAT].offset = ch_offset + 0x28;
ch->r_io[ATA_CONTROL].offset = ch_offset + 0x29;
/* setup DMA registers */
ch->r_io[ATA_SSTATUS].offset = ch_offset + 0x100;
ch->r_io[ATA_SERROR].offset = ch_offset + 0x104;
ch->r_io[ATA_SCONTROL].offset = ch_offset + 0x108;
/* setup SATA registers */
ch->r_io[ATA_BMCMD_PORT].offset = ch_offset + 0x70;
ch->r_io[ATA_BMSTAT_PORT].offset = ch_offset + 0x72;
ch->r_io[ATA_BMDTP_PORT].offset = ch_offset + 0x74;
ch->flags |= ATA_NO_SLAVE;
ch->flags |= ATA_SATA;
ata_pci_hw(dev);
ch->hw.status = ata_intel_31244_status;
ch->hw.tf_write = ata_intel_31244_tf_write;
/* enable PHY state change interrupt */
ATA_OUTL(ctlr->r_res2, 0x4,
ATA_INL(ctlr->r_res2, 0x04) | (0x01 << (ch->unit << 3)));
return 0;
}
static int
ata_intel_31244_ch_detach(device_t dev)
{
ata_pci_dmafini(dev);
return (0);
}
static int
ata_intel_31244_status(device_t dev)
{
/* do we have any PHY events ? */
ata_sata_phy_check_events(dev, -1);
/* any drive action to take care of ? */
return ata_pci_status(dev);
}
static void
ata_intel_31244_tf_write(struct ata_request *request)
{
struct ata_channel *ch = device_get_softc(request->parent);
if (request->flags & ATA_R_48BIT) {
ATA_IDX_OUTW(ch, ATA_FEATURE, request->u.ata.feature);
ATA_IDX_OUTW(ch, ATA_COUNT, request->u.ata.count);
ATA_IDX_OUTW(ch, ATA_SECTOR, ((request->u.ata.lba >> 16) & 0xff00) |
(request->u.ata.lba & 0x00ff));
ATA_IDX_OUTW(ch, ATA_CYL_LSB, ((request->u.ata.lba >> 24) & 0xff00) |
((request->u.ata.lba >> 8) & 0x00ff));
ATA_IDX_OUTW(ch, ATA_CYL_MSB, ((request->u.ata.lba >> 32) & 0xff00) |
((request->u.ata.lba >> 16) & 0x00ff));
ATA_IDX_OUTW(ch, ATA_DRIVE, ATA_D_LBA | ATA_DEV(request->unit));
}
else {
ATA_IDX_OUTB(ch, ATA_FEATURE, request->u.ata.feature);
ATA_IDX_OUTB(ch, ATA_COUNT, request->u.ata.count);
ATA_IDX_OUTB(ch, ATA_SECTOR, request->u.ata.lba);
ATA_IDX_OUTB(ch, ATA_CYL_LSB, request->u.ata.lba >> 8);
ATA_IDX_OUTB(ch, ATA_CYL_MSB, request->u.ata.lba >> 16);
ATA_IDX_OUTB(ch, ATA_DRIVE,
ATA_D_IBM | ATA_D_LBA | ATA_DEV(request->unit) |
((request->u.ata.lba >> 24) & 0x0f));
}
}
static void
ata_intel_31244_reset(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
if (ata_sata_phy_reset(dev, -1, 1))
ata_generic_reset(dev);
else
ch->devices = 0;
}
ATA_DECLARE_DRIVER(ata_intel);
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