nointernal

--- a/firmware/target/arm/as3525/sd-as3525v2.c
+++ b/firmware/target/arm/as3525/sd-as3525v2.c
@@ -53,9 +53,14 @@
 #define     INTERNAL_AS3525  0   /* embedded SD card */
 #define     SD_SLOT_AS3525   1   /* SD slot if present */

+#define     SD_BLOCKED_DRIVE INTERNAL_AS3525
+#define     SD_REDIRECT_DRIVE SD_SLOT_AS3525
 /* Clipv2 Clip+ and Fuzev2 OF all occupy the same size */
+#if SD_BLOCKED_DRIVE == INTERNAL_AS3525
+#define AMS_OF_SIZE 0x0
+#else
 #define AMS_OF_SIZE 0xf000
-
+#endif
 /* command flags */
 #define MCI_NO_RESP     (0<<0)
 #define MCI_RESP        (1<<0)
@@ -449,12 +454,15 @@
     return true;
 }

-static int sd_wait_for_tran_state(const int drive)
+static int sd_wait_for_tran_state(int drive)
 {
     unsigned long response;
     unsigned int timeout = current_tick + 5*HZ;
     int cmd_retry = 10;
-
+#ifdef SD_BLOCKED_DRIVE
+if (drive == SD_BLOCKED_DRIVE)
+    drive = SD_REDIRECT_DRIVE;
+#endif
     while (1)
     {
         while (!send_cmd(drive, SD_SEND_STATUS, card_info[drive].rca, MCI_RESP,
@@ -477,7 +485,7 @@
 }


-static int sd_init_card(const int drive)
+static int sd_init_card(int drive)
 {
     unsigned long response;
     long init_timeout;
@@ -485,7 +493,10 @@

     card_info[drive].initialized = 0;
     card_info[drive].rca = 0;
-
+#ifdef SD_BLOCKED_DRIVE
+if (drive == SD_BLOCKED_DRIVE)
+    drive = SD_REDIRECT_DRIVE;
+#endif
     /*  assume 24 MHz clock / 60 = 400 kHz  */
     MCI_CLKDIV = (MCI_CLKDIV & ~(0xFF)) | 0x3C;    /* CLK_DIV_0 : bits 7:0  */

@@ -756,6 +767,10 @@
 {
     unsigned long response;
     int ret = 0;
+#ifdef SD_BLOCKED_DRIVE
+if (drive == SD_BLOCKED_DRIVE)
+    drive = SD_REDIRECT_DRIVE;
+#endif
 #ifndef HAVE_MULTIDRIVE
     const int drive = 0;
 #endif
@@ -978,6 +993,10 @@

 bool sd_present(IF_MD_NONVOID(int drive))
 {
+#ifdef SD_BLOCKED_DRIVE
+if (drive == SD_BLOCKED_DRIVE)
+    drive = SD_REDIRECT_DRIVE;
+#endif
     return (drive == INTERNAL_AS3525) ? true : card_detect_target();
 }