static int initialize_usbh1_port(struct platform_device *pdev)
{
iomux_v3_cfg_t usbh1stp = MX51_PAD_USBH1_STP__USBH1_STP;
iomux_v3_cfg_t usbh1gpio = MX51_PAD_USBH1_STP__GPIO1_27;
u32 v;
void __iomem *usb_base;
void __iomem *socregs_base;
mxc_iomux_v3_setup_pad(usbh1gpio);
gpio_request(EFIKAMX_USBH1_STP, "usbh1_stp");
gpio_direction_output(EFIKAMX_USBH1_STP, 0);
msleep(1);
gpio_set_value(EFIKAMX_USBH1_STP, 1);
msleep(1);
usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
socregs_base = (void __iomem *)(usb_base + MX5_USBOTHER_REGS_OFFSET);
/* The clock for the USBH1 ULPI port will come externally */
/* from the PHY. */
v = __raw_readl(socregs_base + MX51_USB_CTRL_1_OFFSET);
__raw_writel(v | MX51_USB_CTRL_UH1_EXT_CLK_EN,
socregs_base + MX51_USB_CTRL_1_OFFSET);
iounmap(usb_base);
gpio_free(EFIKAMX_USBH1_STP);
mxc_iomux_v3_setup_pad(usbh1stp);
mdelay(10);
return mx51_initialize_usb_hw(0, MXC_EHCI_ITC_NO_THRESHOLD);
}
static int initialize_usbh2_port(struct platform_device *pdev)
{
iomux_v3_cfg_t usbh2stp = MX51_PAD_EIM_A26__USBH2_STP;
iomux_v3_cfg_t usbh2gpio = MX51_PAD_EIM_A26__GPIO2_20;
mxc_iomux_v3_setup_pad(usbh2gpio);
gpio_request(EFIKASB_USBH2_STP, "usbh2_stp");
gpio_direction_output(EFIKASB_USBH2_STP, 0);
msleep(1);
gpio_set_value(EFIKASB_USBH2_STP, 1);
msleep(1);
gpio_free(EFIKASB_USBH2_STP);
mxc_iomux_v3_setup_pad(usbh2stp);
mdelay(10);
return mx51_initialize_usb_hw(pdev->id, MXC_EHCI_ITC_NO_THRESHOLD);
}
static int initialize_usbh1_port(struct platform_device *pdev)
{
u32 v;
void __iomem *usb_base;
void __iomem *usbother_base;
usb_base = ioremap(MX51_USB_OTG_BASE_ADDR, SZ_4K);
if (!usb_base)
return -ENOMEM;
usbother_base = usb_base + MX5_USBOTHER_REGS_OFFSET;
/* */
v = __raw_readl(usbother_base + MX51_USB_CTRL_1_OFFSET);
__raw_writel(v | MX51_USB_CTRL_UH1_EXT_CLK_EN, usbother_base + MX51_USB_CTRL_1_OFFSET);
iounmap(usb_base);
mdelay(10);
return mx51_initialize_usb_hw(1, MXC_EHCI_POWER_PINS_ENABLED |
MXC_EHCI_ITC_NO_THRESHOLD);
}
/* This function is board specific as the bit mask for the plldiv will also
* be different for other Freescale SoCs, thus a common bitmask is not
* possible and cannot get place in /plat-mxc/ehci.c.
*/
static int initialize_otg_port(struct platform_device *pdev)
{
u32 v;
void __iomem *usb_base;
void __iomem *usbother_base;
usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
if (!usb_base)
return -ENOMEM;
usbother_base = (void __iomem *)(usb_base + MX5_USBOTHER_REGS_OFFSET);
/* Set the PHY clock to 19.2MHz */
v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
v &= ~MX5_USB_UTMI_PHYCTRL1_PLLDIV_MASK;
v |= MX51_USB_PLL_DIV_19_2_MHZ;
__raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC2_OFFSET);
iounmap(usb_base);
mdelay(10);
return mx51_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY);
}
