Function mtk_usb_phy_attach

freebsd/mips/mediatek/mtk_usb_phy.c:112–185

}

static int
mtk_usb_phy_attach(device_t dev)
{
	struct mtk_usb_phy_softc * sc = device_get_softc(dev);
	phandle_t node;
	uint32_t val;
	int rid;

	sc->dev = dev;

	/* Get our FDT node and SoC id */
	node = ofw_bus_get_node(dev);

	/* Now let's see about setting USB to host or device mode */
	/* XXX: is it the same for all SoCs? */
	val = mtk_sysctl_get(SYSCTL_SYSCFG1);
	if (OF_hasprop(node, "mtk,usb-device"))
		val &= ~SYSCFG1_USB_HOST_MODE;
	else
		val |= SYSCFG1_USB_HOST_MODE;
	mtk_sysctl_set(SYSCTL_SYSCFG1, val);

	/* If we have clocks defined - enable them */
	if (OF_hasprop(node, "clocks"))
		fdt_clock_enable_all(dev);

	/* If we have resets defined - perform a reset sequence */
	if (OF_hasprop(node, "resets")) {
		fdt_reset_assert_all(dev);
		DELAY(RESET_ASSERT_DELAY);
		fdt_reset_deassert_all(dev);
		DELAY(RESET_DEASSERT_DELAY);
	}

	/* Careful, some devices actually require resources */
	if (OF_hasprop(node, "reg")) {
		rid = 0;
		sc->res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
		    RF_ACTIVE);
		if (sc->res == NULL) {
			device_printf(dev, "could not map memory\n");
			return (ENXIO);
		}
	} else {
		sc->res = NULL;
	}

	/* Some SoCs require specific USB PHY init... handle these */
	switch (sc->socid) {
	case MTK_SOC_MT7628: /* Fallthrough */
	case MTK_SOC_MT7688:
		if (sc->res == NULL)
			return (ENXIO);
		sc->fm_base = MT7628_FM_FEG_BASE;
		sc->u2_base = MT7628_U2_BASE;
		sc->sr_coef = MT7628_SR_COEF;
		mtk_usb_phy_mt7628_init(dev);
		break;