diff --git a/port/dwc2/usb_hc_dwc2.c b/port/dwc2/usb_hc_dwc2.c index e1591ae6..0ad34c51 100644 --- a/port/dwc2/usb_hc_dwc2.c +++ b/port/dwc2/usb_hc_dwc2.c @@ -464,6 +464,12 @@ int usb_hc_init(void) usb_hc_low_level_init(); + if ((USB_OTG_GLB->CID & (0x1U << 8)) == 0U) { + USB_LOG_ERR("This dwc2 version does not support dma, so stop working\r\n"); + while (1) { + } + } + USB_OTG_GLB->GAHBCFG &= ~USB_OTG_GAHBCFG_GINT; ret = dwc2_core_init();