static int
musbotg_attach(device_t dev)
{
struct musbotg_super_softc *sc = device_get_softc(dev);
int err;
int i;
uint32_t rev, reg;
/* Request the memory resources */
err = bus_alloc_resources(dev, am335x_musbotg_mem_spec,
sc->sc_mem_res);
if (err) {
device_printf(dev,
"Error: could not allocate mem resources\n");
return (ENXIO);
}
/* Request the IRQ resources */
err = bus_alloc_resources(dev, am335x_musbotg_irq_spec,
sc->sc_irq_res);
if (err) {
device_printf(dev,
"Error: could not allocate irq resources\n");
return (ENXIO);
}
/*
* Reset USBSS, USB0 and USB1
*/
rev = USBSS_READ4(sc, USBSS_REVREG);
device_printf(dev, "TI AM335X USBSS v%d.%d.%d\n",
(rev >> 8) & 7, (rev >> 6) & 3, rev & 63);
ti_prcm_clk_enable(MUSB0_CLK);
USBSS_WRITE4(sc, USBSS_SYSCONFIG,
USBSS_SYSCONFIG_SRESET);
while (USBSS_READ4(sc, USBSS_SYSCONFIG) &
USBSS_SYSCONFIG_SRESET)
;
err = bus_setup_intr(dev, sc->sc_irq_res[0],
INTR_TYPE_BIO | INTR_MPSAFE,
NULL, (driver_intr_t *)musbotg_usbss_interrupt, sc,
&sc->sc_intr_hdl);
if (err) {
sc->sc_intr_hdl = NULL;
device_printf(dev, "Failed to setup USBSS interrupt\n");
goto error;
}
for (i = 0; i < AM335X_USB_PORTS; i++) {
/* setup MUSB OTG USB controller interface softc */
sc->sc_otg[i].sc_clocks_on = &musbotg_clocks_on;
sc->sc_otg[i].sc_clocks_off = &musbotg_clocks_off;
sc->sc_otg[i].sc_clocks_arg = &USB_CTRL[i];
sc->sc_otg[i].sc_ep_int_set = musbotg_ep_int_set;
/* initialise some bus fields */
sc->sc_otg[i].sc_bus.parent = dev;
sc->sc_otg[i].sc_bus.devices = sc->sc_otg[i].sc_devices;
sc->sc_otg[i].sc_bus.devices_max = MUSB2_MAX_DEVICES;
/* get all DMA memory */
if (usb_bus_mem_alloc_all(&sc->sc_otg[i].sc_bus,
USB_GET_DMA_TAG(dev), NULL)) {
device_printf(dev,
"Failed allocate bus mem for musb%d\n", i);
return (ENOMEM);
}
sc->sc_otg[i].sc_io_res = sc->sc_mem_res[RES_USBCORE(i)];
sc->sc_otg[i].sc_io_tag =
rman_get_bustag(sc->sc_otg[i].sc_io_res);
sc->sc_otg[i].sc_io_hdl =
rman_get_bushandle(sc->sc_otg[i].sc_io_res);
sc->sc_otg[i].sc_io_size =
rman_get_size(sc->sc_otg[i].sc_io_res);
sc->sc_otg[i].sc_irq_res = sc->sc_irq_res[i+1];
sc->sc_otg[i].sc_bus.bdev = device_add_child(dev, "usbus", -1);
if (!(sc->sc_otg[i].sc_bus.bdev)) {
device_printf(dev, "No busdev for musb%d\n", i);
goto error;
}
device_set_ivars(sc->sc_otg[i].sc_bus.bdev,
&sc->sc_otg[i].sc_bus);
err = bus_setup_intr(dev, sc->sc_otg[i].sc_irq_res,
INTR_TYPE_BIO | INTR_MPSAFE,
NULL, (driver_intr_t *)musbotg_wrapper_interrupt,
&sc->sc_otg[i], &sc->sc_otg[i].sc_intr_hdl);
if (err) {
sc->sc_otg[i].sc_intr_hdl = NULL;
device_printf(dev,
"Failed to setup interrupt for musb%d\n", i);
goto error;
}
sc->sc_otg[i].sc_id = i;
sc->sc_otg[i].sc_platform_data = sc;
if (i == 0)
sc->sc_otg[i].sc_mode = MUSB2_DEVICE_MODE;
else
sc->sc_otg[i].sc_mode = MUSB2_HOST_MODE;
/*
* software-controlled function
*/
if (sc->sc_otg[i].sc_mode == MUSB2_HOST_MODE) {
reg = USBCTRL_READ4(sc, i, USBCTRL_MODE);
reg |= USBCTRL_MODE_IDDIGMUX;
reg &= ~USBCTRL_MODE_IDDIG;
USBCTRL_WRITE4(sc, i, USBCTRL_MODE, reg);
USBCTRL_WRITE4(sc, i, USBCTRL_UTMI,
USBCTRL_UTMI_FSDATAEXT);
} else {
reg = USBCTRL_READ4(sc, i, USBCTRL_MODE);
reg |= USBCTRL_MODE_IDDIGMUX;
reg |= USBCTRL_MODE_IDDIG;
USBCTRL_WRITE4(sc, i, USBCTRL_MODE, reg);
}
reg = USBCTRL_INTEN_USB_ALL & ~USBCTRL_INTEN_USB_SOF;
USBCTRL_WRITE4(sc, i, USBCTRL_INTEN_SET1, reg);
USBCTRL_WRITE4(sc, i, USBCTRL_INTEN_CLR0, 0xffffffff);
err = musbotg_init(&sc->sc_otg[i]);
if (!err)
err = device_probe_and_attach(sc->sc_otg[i].sc_bus.bdev);
if (err)
goto error;
/* poll VBUS one time */
musbotg_vbus_poll(sc, i);
}
return (0);
error:
musbotg_detach(dev);
return (ENXIO);
}
static int
musbotg_attach(device_t dev)
{
struct musbotg_super_softc *sc = device_get_softc(dev);
int err;
int rid;
/* setup MUSB OTG USB controller interface softc */
sc->sc_otg.sc_clocks_on = &musbotg_clocks_on;
sc->sc_otg.sc_clocks_off = &musbotg_clocks_off;
sc->sc_otg.sc_clocks_arg = sc;
/* initialise some bus fields */
sc->sc_otg.sc_bus.parent = dev;
sc->sc_otg.sc_bus.devices = sc->sc_otg.sc_devices;
sc->sc_otg.sc_bus.devices_max = MUSB2_MAX_DEVICES;
/* get all DMA memory */
if (usb_bus_mem_alloc_all(&sc->sc_otg.sc_bus,
USB_GET_DMA_TAG(dev), NULL)) {
return (ENOMEM);
}
rid = 0;
sc->sc_otg.sc_io_res =
bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
if (!(sc->sc_otg.sc_io_res)) {
err = ENOMEM;
goto error;
}
sc->sc_otg.sc_io_tag = rman_get_bustag(sc->sc_otg.sc_io_res);
sc->sc_otg.sc_io_hdl = rman_get_bushandle(sc->sc_otg.sc_io_res);
sc->sc_otg.sc_io_size = rman_get_size(sc->sc_otg.sc_io_res);
rid = 0;
sc->sc_otg.sc_irq_res =
bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
if (!(sc->sc_otg.sc_irq_res)) {
goto error;
}
sc->sc_otg.sc_bus.bdev = device_add_child(dev, "usbus", -1);
if (!(sc->sc_otg.sc_bus.bdev)) {
goto error;
}
device_set_ivars(sc->sc_otg.sc_bus.bdev, &sc->sc_otg.sc_bus);
#if (__FreeBSD_version >= 700031)
err = bus_setup_intr(dev, sc->sc_otg.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
NULL, (driver_intr_t *)musbotg_interrupt, sc, &sc->sc_otg.sc_intr_hdl);
#else
err = bus_setup_intr(dev, sc->sc_otg.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
(driver_intr_t *)musbotg_interrupt, sc, &sc->sc_otg.sc_intr_hdl);
#endif
if (err) {
sc->sc_otg.sc_intr_hdl = NULL;
goto error;
}
err = musbotg_init(&sc->sc_otg);
if (!err) {
err = device_probe_and_attach(sc->sc_otg.sc_bus.bdev);
}
if (err) {
goto error;
} else {
/* poll VBUS one time */
musbotg_vbus_poll(sc);
}
return (0);
error:
musbotg_detach(dev);
return (ENXIO);
}
static int
musbotg_attach(device_t dev)
{
struct musbotg_super_softc *sc = device_get_softc(dev);
char mode[16];
int err;
uint32_t reg;
sc->sc_otg.sc_id = device_get_unit(dev);
/* Request the memory resources */
err = bus_alloc_resources(dev, am335x_musbotg_mem_spec,
sc->sc_mem_res);
if (err) {
device_printf(dev,
"Error: could not allocate mem resources\n");
return (ENXIO);
}
/* Request the IRQ resources */
sc->sc_otg.sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&sc->sc_irq_rid, RF_ACTIVE);
if (sc->sc_otg.sc_irq_res == NULL) {
device_printf(dev,
"Error: could not allocate irq resources\n");
return (ENXIO);
}
/* setup MUSB OTG USB controller interface softc */
sc->sc_otg.sc_clocks_on = &musbotg_clocks_on;
sc->sc_otg.sc_clocks_off = &musbotg_clocks_off;
sc->sc_otg.sc_clocks_arg = &sc->sc_otg;
sc->sc_otg.sc_ep_int_set = musbotg_ep_int_set;
/* initialise some bus fields */
sc->sc_otg.sc_bus.parent = dev;
sc->sc_otg.sc_bus.devices = sc->sc_otg.sc_devices;
sc->sc_otg.sc_bus.devices_max = MUSB2_MAX_DEVICES;
sc->sc_otg.sc_bus.dma_bits = 32;
/* get all DMA memory */
if (usb_bus_mem_alloc_all(&sc->sc_otg.sc_bus,
USB_GET_DMA_TAG(dev), NULL)) {
device_printf(dev,
"Failed allocate bus mem for musb\n");
return (ENOMEM);
}
sc->sc_otg.sc_io_res = sc->sc_mem_res[RES_USBCORE];
sc->sc_otg.sc_io_tag =
rman_get_bustag(sc->sc_otg.sc_io_res);
sc->sc_otg.sc_io_hdl =
rman_get_bushandle(sc->sc_otg.sc_io_res);
sc->sc_otg.sc_io_size =
rman_get_size(sc->sc_otg.sc_io_res);
sc->sc_otg.sc_bus.bdev = device_add_child(dev, "usbus", -1);
if (!(sc->sc_otg.sc_bus.bdev)) {
device_printf(dev, "No busdev for musb\n");
goto error;
}
device_set_ivars(sc->sc_otg.sc_bus.bdev,
&sc->sc_otg.sc_bus);
err = bus_setup_intr(dev, sc->sc_otg.sc_irq_res,
INTR_TYPE_BIO | INTR_MPSAFE,
NULL, (driver_intr_t *)musbotg_wrapper_interrupt,
&sc->sc_otg, &sc->sc_otg.sc_intr_hdl);
if (err) {
sc->sc_otg.sc_intr_hdl = NULL;
device_printf(dev,
"Failed to setup interrupt for musb\n");
goto error;
}
sc->sc_otg.sc_platform_data = sc;
if (OF_getprop(ofw_bus_get_node(dev), "dr_mode", mode,
sizeof(mode)) > 0) {
if (strcasecmp(mode, "host") == 0)
sc->sc_otg.sc_mode = MUSB2_HOST_MODE;
else
sc->sc_otg.sc_mode = MUSB2_DEVICE_MODE;
} else {
/* Beaglebone defaults: USB0 device, USB1 HOST. */
if (sc->sc_otg.sc_id == 0)
sc->sc_otg.sc_mode = MUSB2_DEVICE_MODE;
else
sc->sc_otg.sc_mode = MUSB2_HOST_MODE;
}
/*
* software-controlled function
*/
if (sc->sc_otg.sc_mode == MUSB2_HOST_MODE) {
reg = USBCTRL_READ4(sc, USBCTRL_MODE);
reg |= USBCTRL_MODE_IDDIGMUX;
reg &= ~USBCTRL_MODE_IDDIG;
USBCTRL_WRITE4(sc, USBCTRL_MODE, reg);
USBCTRL_WRITE4(sc, USBCTRL_UTMI,
USBCTRL_UTMI_FSDATAEXT);
} else {
reg = USBCTRL_READ4(sc, USBCTRL_MODE);
reg |= USBCTRL_MODE_IDDIGMUX;
reg |= USBCTRL_MODE_IDDIG;
USBCTRL_WRITE4(sc, USBCTRL_MODE, reg);
}
reg = USBCTRL_INTEN_USB_ALL & ~USBCTRL_INTEN_USB_SOF;
USBCTRL_WRITE4(sc, USBCTRL_INTEN_SET1, reg);
USBCTRL_WRITE4(sc, USBCTRL_INTEN_CLR0, 0xffffffff);
err = musbotg_init(&sc->sc_otg);
if (!err)
err = device_probe_and_attach(sc->sc_otg.sc_bus.bdev);
if (err)
goto error;
/* poll VBUS one time */
musbotg_vbus_poll(sc);
return (0);
error:
musbotg_detach(dev);
return (ENXIO);
}