1 files changed, 5 insertions, 1 deletions

diff --git a/firmware/export/as3525v2.h b/firmware/export/as3525v2.h
index 4c571f2a22..f68a07a2fb 100644
--- a/firmware/export/as3525v2.h
+++ b/firmware/export/as3525v2.h
@@ -37,7 +37,7 @@
 #define CGU_SDSLOT         (*(volatile unsigned long *)(CGU_BASE + 0x3C))
 
 #undef USB_NUM_ENDPOINTS
-
+/* 7 available EPs (0b00000000010101010000000000101011), 6 used */
 #define USB_NUM_ENDPOINTS   6
 
 #define CCU_USB         (*(volatile unsigned long *)(CCU_BASE + 0x20))
@@ -45,4 +45,8 @@
 #undef USB_DEVBSS_ATTR
 #define USB_DEVBSS_ATTR __attribute__((aligned(32)))
 
+/* Define this if the DWC implemented on this SoC does not support
+   DMA or you want to disable it. */
+// #define USB_DW_ARCH_SLAVE
+
 #endif /* __AS3525V2_H__ */