Add dcd_musb.c

2021-10-30 23:41:23 +09:00
parent f183d0810b
commit 50ca0dda2c
3 changed files with 845 additions and 10 deletions
@@ -122,6 +122,8 @@ void board_init(void)
  for (int i = 0; i < 16; ++i) __NOP();
  SYSCTL->SRUSB     = 0u;

+  USB0->CC          = USB_CC_CLKEN | (3u << USB_CC_CLKDIV_S); /* 60MHz = 240MHz / 4 */
+  __DMB(); /* Wait for completion of opening of the clock gate */
 }

 //--------------------------------------------------------------------+