static int mtk_xhci_driver_load(void)
{
int ret = 0;
/* recover clock/power setting and deassert reset bit of mac */
usb_phy_recover(0);
ret = mtk_xhci_hcd_init();
if (ret || !mtk_xhci) {
ret = -ENXIO;
goto _err;
}
/* for performance, fixed the interrupt moderation from 0xA0(default) to 0x30 */
mtk_xhci_imod_set(0x30);
#ifdef CONFIG_USBIF_COMPLIANCE
mtk_enable_pmic_otg_mode();
enableXhciAllPortPower(mtk_xhci);
#else
#ifdef CONFIG_MTK_OTG_PMIC_BOOST_5V
mtk_enable_pmic_otg_mode();
#else
enableXhciAllPortPower(mtk_xhci);
#endif
#endif
return 0;
_err:
mtk_xhci_mtk_log("ret(%d), mtk_xhci(0x%p)\n", ret, mtk_xhci);
usb_phy_savecurrent(1);
return ret;
}
void musb_platform_enable(struct musb *musb)
{
unsigned long flags;
printk("%s, %d, %d\n", __func__, mtk_usb_power, musb->power);
if (musb->power == true)
return;
flags = musb_readl(mtk_musb->mregs,USB_L1INTM);
// mask ID pin, so "open clock" and "set flag" won't be interrupted. ISR may call clock_disable.
musb_writel(mtk_musb->mregs,USB_L1INTM,(~IDDIG_INT_STATUS)&flags);
if (platform_init_first) {
DBG(0,"usb init first\n\r");
musb->is_host = true;
}
if (!mtk_usb_power) {
if (down_interruptible(&power_clock_lock))
xlog_printk(ANDROID_LOG_ERROR, "USB20", "%s: busy, Couldn't get power_clock_lock\n" \
, __func__);
#ifndef CONFIG_MT6575T_FPGA
enable_pll(MT65XX_UPLL, "USB_PLL");
hwPowerOn(MT65XX_POWER_LDO_VUSB, VOL_3300, "VUSB_LDO");
printk("%s, enable VUSB and UPLL before connect\n", __func__);
#endif
mdelay(10);
usb_phy_recover();
mtk_usb_power = true;
up(&power_clock_lock);
}
musb->power = true;
musb_writel(mtk_musb->mregs,USB_L1INTM,flags);
}