+/* The sunxi internal brom will try to loader external bootloader
+ * from mmc0, nand flash, mmc2.
+ * Unfortunately we can't check how SPL was loaded so assume
+ * it's always the first SD/MMC controller
+ */
+u32 spl_boot_device(void)
+{
+#ifdef CONFIG_SPL_FEL
+ /*
+ * This is the legacy compile time configuration for a special FEL
+ * enabled build. It has many restrictions and can only boot over USB.
+ */
+ return BOOT_DEVICE_BOARD;
+#else
+ /*
+ * When booting from the SD card, the "eGON.BT0" signature is expected
+ * to be found in memory at the address 0x0004 (see the "mksunxiboot"
+ * tool, which generates this header).
+ *
+ * When booting in the FEL mode over USB, this signature is patched in
+ * memory and replaced with something else by the 'fel' tool. This other
+ * signature is selected in such a way, that it can't be present in a
+ * valid bootable SD card image (because the BROM would refuse to
+ * execute the SPL in this case).
+ *
+ * This branch is just making a decision at runtime whether to load
+ * the main u-boot binary from the SD card (if the "eGON.BT0" signature
+ * is found) or return to the FEL code in the BROM to wait and receive
+ * the main u-boot binary over USB.
+ */
+ if (readl(4) == 0x4E4F4765 && readl(8) == 0x3054422E) /* eGON.BT0 */
+ return BOOT_DEVICE_MMC1;
+ else
+ return BOOT_DEVICE_BOARD;
+#endif
+}
+
+/* No confirmation data available in SPL yet. Hardcode bootmode */
+u32 spl_boot_mode(void)
+{
+ return MMCSD_MODE_RAW;
+}
+
+void board_init_f(ulong dummy)
+{