diff --git a/FATFS/shimatta_sdio_driver/shimatta_sdio-driver.c b/FATFS/shimatta_sdio_driver/shimatta_sdio-driver.c
index 33d5fb2..54f47da 100644
--- a/FATFS/shimatta_sdio_driver/shimatta_sdio-driver.c
+++ b/FATFS/shimatta_sdio_driver/shimatta_sdio-driver.c
@@ -122,6 +122,10 @@ DSTATUS SDIO_initialize(){
     if (SDIO_send_CMD3(&cardInfo.rca))
         return STA_NOINIT;
 
+    //TODO: Set block length
+    //TODO: Set 4 bit mode
+    //TODO:
+
 #if SDIO_ENABLE_WRITEPROT==1
     if (!((WRITEPROT_PORT->IDR & WRITEPROT_PIN) == WRITEPROT_ACTIVE_LEVEL))
         return STA_PROTECT;