fix(dwc2): check those chips with 1.25KB fifo

1 files changed, 7 insertions, 0 deletions

diff --git a/port/dwc2/usb_dc_dwc2.c b/port/dwc2/usb_dc_dwc2.c
index 4bdc5712..0a1f0d68 100644
--- a/port/dwc2/usb_dc_dwc2.c
+++ b/port/dwc2/usb_dc_dwc2.c
@@ -631,6 +631,13 @@ int usb_dc_init(uint8_t busid)
         }
     }
 
+    /* xxx32 chips do not follow (USB_OTG_GLB->GHWCFG3 >> 16) if hsphy_type is zero, they use 1.25KB(320 DWORD) */
+    if ((hsphy_type == 0) && (fifo_num > 320)) {
+        USB_LOG_ERR("Your fifo config is larger than 320 , please check\r\n");
+        while (1) {
+        }
+    }
+
     ret = dwc2_flush_txfifo(0x10U);
     ret = dwc2_flush_rxfifo();