static void
pxaohci_power(int why, void *arg)
{
struct pxaohci_softc *sc = (struct pxaohci_softc *)arg;
int s;
s = splhardusb();
sc->sc.sc_bus.ub_usepolling++;
switch (why) {
case PWR_STANDBY:
case PWR_SUSPEND:
#if 0
ohci_power(why, &sc->sc);
#endif
pxa2x0_clkman_config(CKEN_USBHC, 0);
break;
case PWR_RESUME:
pxa2x0_clkman_config(CKEN_USBHC, 1);
pxaohci_enable(sc);
#if 0
ohci_power(why, &sc->sc);
#endif
break;
}
sc->sc.sc_bus.ub_usepolling--;
splx(s);
}
void
uhci_pci_attach_deferred(struct device *self)
{
struct uhci_pci_softc *sc = (struct uhci_pci_softc *)self;
char *devname = sc->sc.sc_bus.bdev.dv_xname;
usbd_status r;
int s;
s = splhardusb();
sc->sc.sc_bus.dying = 0;
r = uhci_init(&sc->sc);
if (r != USBD_NORMAL_COMPLETION) {
printf("%s: init failed, error=%d\n", devname, r);
goto unmap_ret;
}
splx(s);
/* Attach usb device. */
sc->sc.sc_child = config_found((void *)sc, &sc->sc.sc_bus,
usbctlprint);
return;
unmap_ret:
bus_space_unmap(sc->sc.iot, sc->sc.ioh, sc->sc.sc_size);
pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
splx(s);
}
void
ehci_obio_attach(struct device *parent, struct device *self, void *aux)
{
struct ehci_softc *sc = (void *)self;
struct obio_attach_args *oa = aux;
usbd_status r;
int s;
sc->iot = oa->oa_iot;
sc->sc_size = 1028;
if (bus_space_map(sc->iot, oa->oa_offset + USB_EHCI_OFFSET,
sc->sc_size, 0, &sc->ioh)) {
printf(": can't map registers\n");
return;
}
sc->sc_id_vendor = PCI_VENDOR_FREESCALE;
strlcpy(sc->sc_vendor, "Freescale", sizeof sc->sc_vendor);
sc->sc_bus.dmatag = &ehci_bus_dma_tag;
bus_space_write_4(sc->iot, sc->ioh, USB_CONTROL, USB_CONTROL_USB_EN);
bus_space_write_4(sc->iot, sc->ioh, USB_SNOOP1, USB_SNOOP_2GB);
s = splhardusb();
sc->sc_offs = EREAD1(sc, EHCI_CAPLENGTH);
EOWRITE2(sc, EHCI_USBINTR, 0);
intr_establish(oa->oa_ivec, IST_LEVEL, IPL_USB, ehci_intr, sc,
sc->sc_bus.bdev.dv_xname);
r = ehci_init(sc);
if (r != USBD_NORMAL_COMPLETION) {
printf(": init failed, error=%d\n", r);
goto unmap_ret;
}
splx(s);
printf("\n");
/* Attach usb device. */
sc->sc_child = config_found((void *)sc, &sc->sc_bus, usbctlprint);
return;
unmap_ret:
bus_space_unmap(sc->iot, sc->ioh, sc->sc_size);
splx(s);
}
static void
uhci_pci_attach(device_t parent, device_t self, void *aux)
{
struct uhci_pci_softc *sc = device_private(self);
struct pci_attach_args *pa = (struct pci_attach_args *)aux;
pci_chipset_tag_t pc = pa->pa_pc;
pcitag_t tag = pa->pa_tag;
char const *intrstr;
pci_intr_handle_t ih;
pcireg_t csr;
usbd_status r;
int s;
char intrbuf[PCI_INTRSTR_LEN];
sc->sc.sc_dev = self;
sc->sc.sc_bus.hci_private = sc;
pci_aprint_devinfo(pa, NULL);
/* Map I/O registers */
if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
&sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size)) {
aprint_error_dev(self, "can't map i/o space\n");
return;
}
/*
* Disable interrupts, so we don't get any spurious ones.
* Acknowledge all pending interrupts.
*/
bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0);
bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_STS,
bus_space_read_2(sc->sc.iot, sc->sc.ioh, UHCI_STS));
sc->sc_pc = pc;
sc->sc_tag = tag;
sc->sc.sc_bus.dmatag = pa->pa_dmat;
/* Enable the device. */
csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG,
csr | PCI_COMMAND_MASTER_ENABLE);
/* Map and establish the interrupt. */
if (pci_intr_map(pa, &ih)) {
aprint_error_dev(self, "couldn't map interrupt\n");
return;
}
intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
sc->sc_ih = pci_intr_establish(pc, ih, IPL_USB, uhci_intr, sc);
if (sc->sc_ih == NULL) {
aprint_error_dev(self, "couldn't establish interrupt");
if (intrstr != NULL)
aprint_error(" at %s", intrstr);
aprint_error("\n");
return;
}
aprint_normal_dev(self, "interrupting at %s\n", intrstr);
/*
* Set LEGSUP register to its default value.
* This can re-enable or trigger interrupts, so protect against
* them and explicitly disable and ACK them afterwards.
*/
s = splhardusb();
pci_conf_write(pc, tag, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN);
bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0);
bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_STS,
bus_space_read_2(sc->sc.iot, sc->sc.ioh, UHCI_STS));
splx(s);
switch(pci_conf_read(pc, tag, PCI_USBREV) & PCI_USBREV_MASK) {
case PCI_USBREV_PRE_1_0:
sc->sc.sc_bus.usbrev = USBREV_PRE_1_0;
break;
case PCI_USBREV_1_0:
sc->sc.sc_bus.usbrev = USBREV_1_0;
break;
case PCI_USBREV_1_1:
sc->sc.sc_bus.usbrev = USBREV_1_1;
break;
default:
sc->sc.sc_bus.usbrev = USBREV_UNKNOWN;
break;
}
/* Figure out vendor for root hub descriptor. */
sc->sc.sc_id_vendor = PCI_VENDOR(pa->pa_id);
pci_findvendor(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor),
sc->sc.sc_id_vendor);
r = uhci_init(&sc->sc);
if (r != USBD_NORMAL_COMPLETION) {
aprint_error_dev(self, "init failed, error=%d\n", r);
return;
}
sc->sc_initialized = SC_INIT_UHCI;
#if NEHCI > 0
usb_pci_add(&sc->sc_pci, pa, self);
#endif
if (!pmf_device_register(self, uhci_suspend, uhci_pci_resume))
aprint_error_dev(self, "couldn't establish power handler\n");
else
sc->sc_initialized |= SC_INIT_PMF;
/* Attach usb device. */
sc->sc.sc_child = config_found(self, &sc->sc.sc_bus, usbctlprint);
}
void
ehci_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct ehci_pci_softc *sc = (struct ehci_pci_softc *)self;
struct pci_attach_args *pa = (struct pci_attach_args *)aux;
pci_chipset_tag_t pc = pa->pa_pc;
pcitag_t tag = pa->pa_tag;
char const *intrstr;
pci_intr_handle_t ih;
const char *vendor;
char *devname = sc->sc.sc_bus.bdev.dv_xname;
usbd_status r;
int s;
/* Map I/O registers */
if (pci_mapreg_map(pa, PCI_CBMEM, PCI_MAPREG_TYPE_MEM, 0,
&sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size, 0)) {
printf(": can't map mem space\n");
return;
}
sc->sc_pc = pc;
sc->sc_tag = tag;
sc->sc.sc_bus.dmatag = pa->pa_dmat;
/* Disable interrupts, so we don't get any spurious ones. */
s = splhardusb();
sc->sc.sc_offs = EREAD1(&sc->sc, EHCI_CAPLENGTH);
DPRINTF(("%s: offs=%d\n", devname, sc->sc.sc_offs));
EOWRITE2(&sc->sc, EHCI_USBINTR, 0);
/* Handle quirks */
switch (PCI_VENDOR(pa->pa_id)) {
case PCI_VENDOR_ATI:
if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_SB600_EHCI ||
(PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ATI_SB700_EHCI &&
pci_find_device(NULL, ehci_sb700_match))) {
pcireg_t value;
/* apply the ATI SB600/SB700 workaround */
value = pci_conf_read(sc->sc_pc, sc->sc_tag,
EHCI_SBx00_WORKAROUND_REG);
pci_conf_write(sc->sc_pc, sc->sc_tag,
EHCI_SBx00_WORKAROUND_REG, value |
EHCI_SBx00_WORKAROUND_ENABLE);
}
break;
case PCI_VENDOR_VIATECH:
if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT6202 &&
(PCI_REVISION(pa->pa_class) & 0xf0) == 0x60) {
pcireg_t value;
/*
* The VT6202 defaults to a 1 usec EHCI sleep time
* which hogs the PCI bus *badly*. Setting bit 5 of
* the register makes that sleep time use the conventional
* 10 usec.
*/
value = pci_conf_read(sc->sc_pc, sc->sc_tag,
EHCI_VT6202_WORKAROUND_REG);
pci_conf_write(sc->sc_pc, sc->sc_tag,
EHCI_VT6202_WORKAROUND_REG, value | 0x20000000);
}
break;
}
/* Map and establish the interrupt. */
if (pci_intr_map(pa, &ih)) {
printf(": couldn't map interrupt\n");
goto unmap_ret;
}
intrstr = pci_intr_string(pc, ih);
sc->sc_ih = pci_intr_establish(pc, ih, IPL_USB | IPL_MPSAFE,
ehci_intr, sc, devname);
if (sc->sc_ih == NULL) {
printf(": couldn't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
goto unmap_ret;
}
printf(": %s\n", intrstr);
switch(pci_conf_read(pc, tag, PCI_USBREV) & PCI_USBREV_MASK) {
case PCI_USBREV_PRE_1_0:
case PCI_USBREV_1_0:
case PCI_USBREV_1_1:
sc->sc.sc_bus.usbrev = USBREV_UNKNOWN;
printf("%s: pre-2.0 USB rev\n", devname);
goto disestablish_ret;
case PCI_USBREV_2_0:
sc->sc.sc_bus.usbrev = USBREV_2_0;
break;
default:
sc->sc.sc_bus.usbrev = USBREV_UNKNOWN;
break;
}
/* Figure out vendor for root hub descriptor. */
vendor = pci_findvendor(pa->pa_id);
sc->sc.sc_id_vendor = PCI_VENDOR(pa->pa_id);
if (vendor)
strlcpy(sc->sc.sc_vendor, vendor, sizeof(sc->sc.sc_vendor));
else
snprintf(sc->sc.sc_vendor, sizeof(sc->sc.sc_vendor),
"vendor 0x%04x", PCI_VENDOR(pa->pa_id));
/* Enable workaround for dropped interrupts as required */
if (sc->sc.sc_id_vendor == PCI_VENDOR_VIATECH)
sc->sc.sc_flags |= EHCIF_DROPPED_INTR_WORKAROUND;
ehci_pci_takecontroller(sc, 0);
r = ehci_init(&sc->sc);
if (r != USBD_NORMAL_COMPLETION) {
printf("%s: init failed, error=%d\n", devname, r);
goto disestablish_ret;
}
/* Attach usb device. */
config_found(self, &sc->sc.sc_bus, usbctlprint);
splx(s);
return;
disestablish_ret:
pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
unmap_ret:
bus_space_unmap(sc->sc.iot, sc->sc.ioh, sc->sc.sc_size);
splx(s);
}
void
uhci_pci_attach(struct device *parent, struct device *self, void *aux)
{
struct uhci_pci_softc *sc = (struct uhci_pci_softc *)self;
struct pci_attach_args *pa = (struct pci_attach_args *)aux;
pci_chipset_tag_t pc = pa->pa_pc;
pcitag_t tag = pa->pa_tag;
char const *intrstr;
pci_intr_handle_t ih;
const char *vendor;
char *devname = sc->sc.sc_bus.bdev.dv_xname;
int s;
/* Map I/O registers */
if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
&sc->sc.iot, &sc->sc.ioh, NULL, &sc->sc.sc_size, 0)) {
printf(": can't map i/o space\n");
return;
}
/* Disable interrupts, so we don't get any spurious ones. */
s = splhardusb();
bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0);
sc->sc_pc = pc;
sc->sc_tag = tag;
sc->sc.sc_bus.dmatag = pa->pa_dmat;
/* Map and establish the interrupt. */
if (pci_intr_map(pa, &ih)) {
printf(": couldn't map interrupt\n");
goto unmap_ret;
}
intrstr = pci_intr_string(pc, ih);
sc->sc_ih = pci_intr_establish(pc, ih, IPL_USB, uhci_intr, sc,
devname);
if (sc->sc_ih == NULL) {
printf(": couldn't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
goto unmap_ret;
}
printf(": %s\n", intrstr);
/* Set LEGSUP register to its default value. */
pci_conf_write(pc, tag, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN);
switch(pci_conf_read(pc, tag, PCI_USBREV) & PCI_USBREV_MASK) {
case PCI_USBREV_PRE_1_0:
sc->sc.sc_bus.usbrev = USBREV_PRE_1_0;
break;
case PCI_USBREV_1_0:
sc->sc.sc_bus.usbrev = USBREV_1_0;
break;
case PCI_USBREV_1_1:
sc->sc.sc_bus.usbrev = USBREV_1_1;
break;
default:
sc->sc.sc_bus.usbrev = USBREV_UNKNOWN;
break;
}
uhci_run(&sc->sc, 0); /* stop the controller */
/* disable interrupts */
bus_space_barrier(sc->sc.iot, sc->sc.ioh, 0, sc->sc.sc_size,
BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE);
bus_space_write_2(sc->sc.iot, sc->sc.ioh, UHCI_INTR, 0);
/* Figure out vendor for root hub descriptor. */
vendor = pci_findvendor(pa->pa_id);
sc->sc.sc_id_vendor = PCI_VENDOR(pa->pa_id);
if (vendor)
strlcpy(sc->sc.sc_vendor, vendor, sizeof (sc->sc.sc_vendor));
else
snprintf(sc->sc.sc_vendor, sizeof (sc->sc.sc_vendor),
"vendor 0x%04x", PCI_VENDOR(pa->pa_id));
config_defer(self, uhci_pci_attach_deferred);
/* Ignore interrupts for now */
sc->sc.sc_bus.dying = 1;
splx(s);
return;
unmap_ret:
bus_space_unmap(sc->sc.iot, sc->sc.ioh, sc->sc.sc_size);
splx(s);
}
