Пример #1
0
int ehci_hcd_init(int index, enum usb_init_type init,
		struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
	struct usb_ehci *ehci = (struct usb_ehci *)(USB_BASE_ADDR +
		(0x200 * index));

	if (index > 3)
		return -EINVAL;
	enable_usboh3_clk(1);
	mdelay(1);

	/* Do board specific initialization */
	board_ehci_hcd_init(index);

	usb_power_config(index);
	usb_oc_config(index);
	usb_internal_phy_clock_gate(index, 1);
	usb_phy_enable(index, ehci);

	*hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
	*hcor = (struct ehci_hcor *)((uint32_t)*hccr +
			HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));

	board_ehci_power(index, (init == USB_INIT_DEVICE) ? 0 : 1);
	if (init == USB_INIT_DEVICE)
		return 0;
	setbits_le32(&ehci->usbmode, CM_HOST);
	__raw_writel(CONFIG_MXC_USB_PORTSC, &ehci->portsc);
	setbits_le32(&ehci->portsc, USB_EN);

	mdelay(10);

	return 0;
}
Пример #2
0
static int ehci_usb_probe(struct udevice *dev)
{
	struct usb_platdata *plat = dev_get_platdata(dev);
	struct usb_ehci *ehci = (struct usb_ehci *)dev_get_addr(dev);
	struct ehci_mx6_priv_data *priv = dev_get_priv(dev);
	struct ehci_hccr *hccr;
	struct ehci_hcor *hcor;
	int ret;

	priv->ehci = ehci;
	priv->portnr = dev->seq;
	priv->init_type = plat->init_type;

	ret = ehci_mx6_common_init(ehci, priv->portnr);
	if (ret)
		return ret;

	board_ehci_power(priv->portnr, (priv->init_type == USB_INIT_DEVICE) ? 0 : 1);

	if (priv->init_type == USB_INIT_HOST) {
		setbits_le32(&ehci->usbmode, CM_HOST);
		writel(CONFIG_MXC_USB_PORTSC, &ehci->portsc);
		setbits_le32(&ehci->portsc, USB_EN);
	}

	mdelay(10);

	hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
	hcor = (struct ehci_hcor *)((uint32_t)hccr +
			HC_LENGTH(ehci_readl(&(hccr)->cr_capbase)));

	return ehci_register(dev, hccr, hcor, &mx6_ehci_ops, 0, priv->init_type);
}
Пример #3
0
int ehci_hcd_init(int index, enum usb_init_type init,
                  struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
    enum usb_init_type type;
#if defined(CONFIG_MX6)
    u32 controller_spacing = 0x200;
#elif defined(CONFIG_MX7)
    u32 controller_spacing = 0x10000;
#endif
    struct usb_ehci *ehci = (struct usb_ehci *)(USB_BASE_ADDR +
                            (controller_spacing * index));
    int ret;

    if (index > 3)
        return -EINVAL;
    enable_usboh3_clk(1);
    mdelay(1);

    /* Do board specific initialization */
    ret = board_ehci_hcd_init(index);
    if (ret)
        return ret;

    usb_power_config(index);
    usb_oc_config(index);

#if defined(CONFIG_MX6)
    usb_internal_phy_clock_gate(index, 1);
    usb_phy_enable(index, ehci);
#endif
    type = board_usb_phy_mode(index);

    *hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
    *hcor = (struct ehci_hcor *)((uint32_t)*hccr +
                                 HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));

    if ((type == init) || (type == USB_INIT_DEVICE))
        board_ehci_power(index, (type == USB_INIT_DEVICE) ? 0 : 1);
    if (type != init)
        return -ENODEV;
    if (type == USB_INIT_DEVICE)
        return 0;

    setbits_le32(&ehci->usbmode, CM_HOST);
    writel(CONFIG_MXC_USB_PORTSC, &ehci->portsc);
    setbits_le32(&ehci->portsc, USB_EN);

    mdelay(10);

    return 0;
}
Пример #4
0
int ehci_hcd_init(int index, enum usb_init_type init,
		struct ehci_hccr **hccr, struct ehci_hcor **hcor)
{
	enum usb_init_type type;
#if defined(CONFIG_MX6)
	u32 controller_spacing = 0x200;
#elif defined(CONFIG_MX7)
	u32 controller_spacing = 0x10000;
#endif
	struct usb_ehci *ehci = (struct usb_ehci *)(USB_BASE_ADDR +
		(controller_spacing * index));
	int ret;

	if (index > 3)
		return -EINVAL;

	ret = ehci_mx6_common_init(ehci, index);
	if (ret)
		return ret;

	type = board_usb_phy_mode(index);

	if (hccr && hcor) {
		*hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
		*hcor = (struct ehci_hcor *)((uint32_t)*hccr +
				HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
	}

	if ((type == init) || (type == USB_INIT_DEVICE))
		board_ehci_power(index, (type == USB_INIT_DEVICE) ? 0 : 1);
	if (type != init)
		return -ENODEV;
	if (type == USB_INIT_DEVICE)
		return 0;

	setbits_le32(&ehci->usbmode, CM_HOST);
	writel(CONFIG_MXC_USB_PORTSC, &ehci->portsc);
	setbits_le32(&ehci->portsc, USB_EN);

	mdelay(10);

	return 0;
}
Пример #5
0
static int mx6_init_after_reset(struct ehci_ctrl *dev)
{
	struct ehci_mx6_priv_data *priv = dev->priv;
	enum usb_init_type type = priv->init_type;
	struct usb_ehci *ehci = priv->ehci;
	int ret;

	ret = ehci_mx6_common_init(priv->ehci, priv->portnr);
	if (ret)
		return ret;

	board_ehci_power(priv->portnr, (type == USB_INIT_DEVICE) ? 0 : 1);

	if (type == USB_INIT_DEVICE)
		return 0;

	setbits_le32(&ehci->usbmode, CM_HOST);
	writel(CONFIG_MXC_USB_PORTSC, &ehci->portsc);
	setbits_le32(&ehci->portsc, USB_EN);

	mdelay(10);

	return 0;
}