static void omap_ehci_soft_phy_reset(int port)
{
struct ulpi_viewport ulpi_vp;
ulpi_vp.viewport_addr = (u32)&ehci->insreg05_utmi_ulpi;
ulpi_vp.port_num = port;
ulpi_reset(&ulpi_vp);
}
static void
imxehci_attach(device_t parent, device_t self, void *aux)
{
struct imxusbc_attach_args *aa = aux;
struct imxusbc_softc *usbc = device_private(parent);
struct imxehci_softc *sc = device_private(self);
ehci_softc_t *hsc = &sc->sc_hsc;
bus_space_tag_t iot;
uint16_t hcirev;
usbd_status r;
uint32_t id, hwhost, hwdevice;
const char *comma;
sc->sc_hsc.sc_dev = self;
iot = sc->sc_iot = sc->sc_hsc.iot = aa->aa_iot;
sc->sc_unit = aa->aa_unit;
sc->sc_usbc = usbc;
hsc->sc_bus.hci_private = sc;
hsc->sc_flags |= EHCIF_ETTF;
hsc->sc_vendor_init = imxehci_init;
aprint_naive("\n");
aprint_normal(": i.MX USB Controller\n");
/* per unit registers */
if (bus_space_subregion(iot, aa->aa_ioh,
aa->aa_unit * IMXUSB_EHCI_SIZE, IMXUSB_EHCI_SIZE,
&sc->sc_ioh) ||
bus_space_subregion(iot, aa->aa_ioh,
aa->aa_unit * IMXUSB_EHCI_SIZE + IMXUSB_EHCIREGS,
IMXUSB_EHCI_SIZE - IMXUSB_EHCIREGS,
&sc->sc_hsc.ioh)) {
aprint_error_dev(self, "can't subregion\n");
return;
}
id = bus_space_read_4(iot, sc->sc_ioh, IMXUSB_ID);
hcirev = bus_space_read_2(iot, sc->sc_hsc.ioh, EHCI_HCIVERSION);
aprint_normal_dev(self,
"id=%d revision=%d HCI revision=0x%x\n",
(int)__SHIFTOUT(id, IMXUSB_ID_ID),
(int)__SHIFTOUT(id, IMXUSB_ID_REVISION),
hcirev);
hwhost = bus_space_read_4(iot, sc->sc_ioh, IMXUSB_HWHOST);
hwdevice = bus_space_read_4(iot, sc->sc_ioh, IMXUSB_HWDEVICE);
aprint_normal_dev(self, "");
comma = "";
if (hwhost & HWHOST_HC) {
int n_ports = 1 + __SHIFTOUT(hwhost, HWHOST_NPORT);
aprint_normal("%d host port%s",
n_ports, n_ports > 1 ? "s" : "");
comma = ", ";
}
if (hwdevice & HWDEVICE_DC) {
int n_endpoints = __SHIFTOUT(hwdevice, HWDEVICE_DEVEP);
aprint_normal("%sdevice capable, %d endpoint%s",
comma,
n_endpoints, n_endpoints > 1 ? "s" : "");
}
aprint_normal("\n");
sc->sc_hsc.sc_bus.dmatag = aa->aa_dmat;
sc->sc_hsc.sc_offs = bus_space_read_1(iot, sc->sc_hsc.ioh,
EHCI_CAPLENGTH);
/* Platform dependent setup */
if (usbc->sc_init_md_hook)
usbc->sc_init_md_hook(sc);
imxehci_reset(sc);
imxehci_select_interface(sc, sc->sc_iftype);
if (sc->sc_iftype == IMXUSBC_IF_ULPI) {
bus_space_write_4(sc->sc_iot, sc->sc_ioh, IMXUSB_ULPIVIEW, 0);
aprint_normal_dev(hsc->sc_dev,
"ULPI phy VID 0x%04x PID 0x%04x\n",
(imxusb_ulpi_read(sc, ULPI_VENDOR_ID_LOW) |
imxusb_ulpi_read(sc, ULPI_VENDOR_ID_HIGH) << 8),
(imxusb_ulpi_read(sc, ULPI_PRODUCT_ID_LOW) |
imxusb_ulpi_read(sc, ULPI_PRODUCT_ID_HIGH) << 8));
ulpi_reset(sc);
}
if (usbc->sc_setup_md_hook)
usbc->sc_setup_md_hook(sc, IMXUSB_HOST);
if (sc->sc_iftype == IMXUSBC_IF_ULPI) {
#if 0
if(hsc->sc_bus.usbrev == USBREV_2_0)
ulpi_write(hsc, ULPI_FUNCTION_CONTROL + ULPI_REG_CLEAR, (1 << 0));
else
ulpi_write(hsc, ULPI_FUNCTION_CONTROL + ULPI_REG_SET, (1 << 2));
#endif
imxusb_ulpi_write(sc, ULPI_FUNCTION_CONTROL + ULPI_REG_CLEAR,
OTG_CONTROL_IDPULLUP);
imxusb_ulpi_write(sc, ULPI_OTG_CONTROL + ULPI_REG_SET,
OTG_CONTROL_USEEXTVBUSIND |
OTG_CONTROL_DRVVBUSEXT |
OTG_CONTROL_DRVVBUS |
OTG_CONTROL_CHRGVBUS
);
}
/* Disable interrupts, so we don't get any spurious ones. */
EOWRITE4(hsc, EHCI_USBINTR, 0);
intr_establish(aa->aa_irq, IPL_USB, IST_LEVEL, ehci_intr, hsc);
/* Figure out vendor for root hub descriptor. */
strlcpy(hsc->sc_vendor, "i.MX", sizeof(hsc->sc_vendor));
r = ehci_init(hsc);
if (r != USBD_NORMAL_COMPLETION) {
aprint_error_dev(self, "init failed, error=%d\n", r);
return;
}
/* Attach usb device. */
hsc->sc_child = config_found(self, &hsc->sc_bus, usbctlprint);
}
void
zynqusb_attach_common(device_t parent, device_t self, bus_space_tag_t iot,
bus_dma_tag_t dmat, paddr_t iobase, size_t size, int intr, int flags,
enum zynq_usb_if type, enum zynq_usb_role role)
{
struct zynqehci_softc *sc = device_private(self);
ehci_softc_t *hsc = &sc->sc_hsc;
uint16_t hcirev;
usbd_status r;
uint32_t id, hwhost, hwdevice;
const char *comma;
sc->sc_hsc.sc_dev = self;
sc->sc_iot = sc->sc_hsc.iot = iot;
sc->sc_iftype = type;
sc->sc_role = role;
hsc->sc_bus.hci_private = sc;
hsc->sc_bus.usbrev = USBREV_2_0;
hsc->sc_flags |= EHCIF_ETTF;
hsc->sc_vendor_init = zynqusb_init;
aprint_normal("\n");
if (bus_space_map(iot, iobase, size, 0, &sc->sc_ioh)) {
aprint_error_dev(self, "unable to map device\n");
return;
}
if (bus_space_subregion(iot, sc->sc_ioh,
ZYNQUSB_EHCIREGS, ZYNQUSB_EHCI_SIZE - ZYNQUSB_EHCIREGS,
&sc->sc_hsc.ioh)) {
aprint_error_dev(self, "unable to map subregion\n");
return;
}
id = bus_space_read_4(iot, sc->sc_ioh, ZYNQUSB_ID);
hcirev = bus_space_read_2(iot, sc->sc_hsc.ioh, EHCI_HCIVERSION);
aprint_normal_dev(self,
"Zynq USB Controller id=%d revision=%d version=%d\n",
(int)__SHIFTOUT(id, ZYNQUSB_ID_ID),
(int)__SHIFTOUT(id, ZYNQUSB_ID_REVISION),
(int)__SHIFTOUT(id, ZYNQUSB_ID_VERSION));
aprint_normal_dev(self, "HCI revision=0x%x\n", hcirev);
hwhost = bus_space_read_4(iot, sc->sc_ioh, ZYNQUSB_HWHOST);
hwdevice = bus_space_read_4(iot, sc->sc_ioh, ZYNQUSB_HWDEVICE);
aprint_normal_dev(self, "");
comma = "";
if (hwhost & HWHOST_HC) {
int n_ports = 1 + __SHIFTOUT(hwhost, HWHOST_NPORT);
aprint_normal("%d host port%s",
n_ports, n_ports > 1 ? "s" : "");
comma = ", ";
}
if (hwdevice & HWDEVICE_DC) {
int n_endpoints = __SHIFTOUT(hwdevice, HWDEVICE_DEVEP);
aprint_normal("%sdevice capable, %d endpoint%s",
comma,
n_endpoints, n_endpoints > 1 ? "s" : "");
}
aprint_normal("\n");
sc->sc_hsc.sc_bus.dmatag = dmat;
sc->sc_hsc.sc_offs = bus_space_read_1(iot, sc->sc_hsc.ioh,
EHCI_CAPLENGTH);
zynqusb_reset(sc);
zynqusb_select_interface(sc, sc->sc_iftype);
if (sc->sc_iftype == ZYNQUSBC_IF_ULPI) {
bus_space_write_4(sc->sc_iot, sc->sc_ioh, ZYNQUSB_ULPIVIEW, 0);
aprint_normal_dev(hsc->sc_dev,
"ULPI phy VID 0x%04x PID 0x%04x\n",
(ulpi_read(sc, ULPI_VENDOR_ID_LOW) |
ulpi_read(sc, ULPI_VENDOR_ID_HIGH) << 8),
(ulpi_read(sc, ULPI_PRODUCT_ID_LOW) |
ulpi_read(sc, ULPI_PRODUCT_ID_HIGH) << 8));
ulpi_reset(sc);
}
if (sc->sc_iftype == ZYNQUSBC_IF_ULPI) {
if(hsc->sc_bus.usbrev == USBREV_2_0) {
ulpi_write(sc, ULPI_FUNCTION_CONTROL + ULPI_REG_CLEAR,
FUNCTION_CONTROL_XCVRSELECT);
ulpi_write(sc, ULPI_FUNCTION_CONTROL + ULPI_REG_SET,
FUNCTION_CONTROL_TERMSELECT);
} else {
ulpi_write(sc, ULPI_FUNCTION_CONTROL + ULPI_REG_SET,
XCVRSELECT_FSLS);
ulpi_write(sc, ULPI_FUNCTION_CONTROL + ULPI_REG_CLEAR,
FUNCTION_CONTROL_TERMSELECT);
}
ulpi_write(sc, ULPI_OTG_CONTROL + ULPI_REG_SET,
OTG_CONTROL_USEEXTVBUSIND |
OTG_CONTROL_DRVVBUSEXT |
OTG_CONTROL_DRVVBUS |
OTG_CONTROL_CHRGVBUS);
}
/* Disable interrupts, so we don't get any spurious ones. */
EOWRITE4(hsc, EHCI_USBINTR, 0);
intr_establish(intr, IPL_USB, IST_LEVEL, ehci_intr, hsc);
/* Figure out vendor for root hub descriptor. */
strlcpy(hsc->sc_vendor, "Xilinx", sizeof(hsc->sc_vendor));
r = ehci_init(hsc);
if (r != USBD_NORMAL_COMPLETION) {
aprint_error_dev(self, "init failed, error=%d\n", r);
return;
}
/* Attach usb device. */
hsc->sc_child = config_found(self, &hsc->sc_bus, usbctlprint);
}
