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-rw-r--r--share/man/man4/ahci.45
-rw-r--r--sys/dev/ahci/ahci.c6
-rw-r--r--sys/dev/ata/chipsets/ata-ati.c24
-rw-r--r--sys/dev/ata/chipsets/ata-nvidia.c4
4 files changed, 35 insertions, 4 deletions
diff --git a/share/man/man4/ahci.4 b/share/man/man4/ahci.4
index 68aea35..08e9013 100644
--- a/share/man/man4/ahci.4
+++ b/share/man/man4/ahci.4
@@ -24,7 +24,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd May 17, 2011
+.Dd December 2, 2011
.Dt AHCI 4
.Os
.Sh NAME
@@ -96,6 +96,9 @@ A manual bus reset is needed on device hot-plug.
.It Va hint.ahcich. Ns Ar X Ns Va .sata_rev
setting to nonzero value limits maximum SATA revision (speed).
Values 1, 2 and 3 are respectively 1.5, 3 and 6Gbps.
+.It Va hw.ahci.force
+setting to nonzero value forces driver attach to some known AHCI-capable
+chips even if they are configured for legacy IDE emulation. Default is 1.
.El
.Sh DESCRIPTION
This driver provides the
diff --git a/sys/dev/ahci/ahci.c b/sys/dev/ahci/ahci.c
index afa4b99..df4f66a 100644
--- a/sys/dev/ahci/ahci.c
+++ b/sys/dev/ahci/ahci.c
@@ -291,6 +291,9 @@ static struct {
#define RECOVERY_REQUEST_SENSE 2
#define recovery_slot spriv_field1
+static int force_ahci = 1;
+TUNABLE_INT("hw.ahci.force", &force_ahci);
+
static int
ahci_probe(device_t dev)
{
@@ -308,7 +311,8 @@ ahci_probe(device_t dev)
for (i = 0; ahci_ids[i].id != 0; i++) {
if (ahci_ids[i].id == devid &&
ahci_ids[i].rev <= revid &&
- (valid || !(ahci_ids[i].quirks & AHCI_Q_NOFORCE))) {
+ (valid || (force_ahci == 1 &&
+ !(ahci_ids[i].quirks & AHCI_Q_NOFORCE)))) {
/* Do not attach JMicrons with single PCI function. */
if (pci_get_vendor(dev) == 0x197b &&
(pci_read_config(dev, 0xdf, 1) & 0x40) == 0)
diff --git a/sys/dev/ata/chipsets/ata-ati.c b/sys/dev/ata/chipsets/ata-ati.c
index 1dfd84b..ada70d7 100644
--- a/sys/dev/ata/chipsets/ata-ati.c
+++ b/sys/dev/ata/chipsets/ata-ati.c
@@ -53,6 +53,7 @@ __FBSDID("$FreeBSD$");
/* local prototypes */
static int ata_ati_chipinit(device_t dev);
+static int ata_ati_dumb_ch_attach(device_t dev);
static int ata_ati_ixp700_ch_attach(device_t dev);
static int ata_ati_setmode(device_t dev, int target, int mode);
@@ -63,6 +64,8 @@ static int ata_ati_setmode(device_t dev, int target, int mode);
#define SII_MEMIO 1
#define SII_BUG 0x04
+static int force_ahci = 1;
+TUNABLE_INT("hw.ahci.force", &force_ahci);
/*
* ATI chipset support functions
@@ -111,7 +114,10 @@ ata_ati_probe(device_t dev)
ctlr->chipinit = ata_sii_chipinit;
break;
case ATI_AHCI:
- ctlr->chipinit = ata_ahci_chipinit;
+ if (force_ahci == 1 || pci_get_subclass(dev) != PCIS_STORAGE_IDE)
+ ctlr->chipinit = ata_ahci_chipinit;
+ else
+ ctlr->chipinit = ata_ati_chipinit;
break;
}
return (BUS_PROBE_DEFAULT);
@@ -127,6 +133,11 @@ ata_ati_chipinit(device_t dev)
if (ata_setup_interrupt(dev, ata_generic_intr))
return ENXIO;
+ if (ctlr->chip->cfg1 == ATI_AHCI) {
+ ctlr->ch_attach = ata_ati_dumb_ch_attach;
+ ctlr->setmode = ata_sata_setmode;
+ return (0);
+ }
switch (ctlr->chip->chipid) {
case ATA_ATI_IXP600:
/* IXP600 only has 1 PATA channel */
@@ -165,6 +176,17 @@ ata_ati_chipinit(device_t dev)
}
static int
+ata_ati_dumb_ch_attach(device_t dev)
+{
+ struct ata_channel *ch = device_get_softc(dev);
+
+ if (ata_pci_ch_attach(dev))
+ return ENXIO;
+ ch->flags |= ATA_SATA;
+ return (0);
+}
+
+static int
ata_ati_ixp700_ch_attach(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
diff --git a/sys/dev/ata/chipsets/ata-nvidia.c b/sys/dev/ata/chipsets/ata-nvidia.c
index 2edc0f1..580dfca 100644
--- a/sys/dev/ata/chipsets/ata-nvidia.c
+++ b/sys/dev/ata/chipsets/ata-nvidia.c
@@ -65,6 +65,8 @@ static int ata_nvidia_setmode(device_t dev, int target, int mode);
#define NVAHCI 0x04
#define NVNOFORCE 0x08
+static int force_ahci = 1;
+TUNABLE_INT("hw.ahci.force", &force_ahci);
/*
* nVidia chipset support functions
@@ -181,7 +183,7 @@ ata_nvidia_probe(device_t dev)
ata_set_desc(dev);
if ((ctlr->chip->cfg1 & NVAHCI) &&
- ((ctlr->chip->cfg1 & NVNOFORCE) == 0 ||
+ ((force_ahci == 1 && (ctlr->chip->cfg1 & NVNOFORCE) == 0) ||
pci_get_subclass(dev) != PCIS_STORAGE_IDE))
ctlr->chipinit = ata_ahci_chipinit;
else
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