arm: spl: Provide for a board-specific loader
Some boards have a special way of loading U-Boot that does not fit with
the existing SPL code. For example sunxi uses an 'FEL' mode where U-Boot
is loaded over USB. Add a CONFIG option and boot mode for this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
diff --git a/arch/arm/include/asm/spl.h b/arch/arm/include/asm/spl.h
index 8acd7cd..17b6f54 100644
--- a/arch/arm/include/asm/spl.h
+++ b/arch/arm/include/asm/spl.h
@@ -26,10 +26,14 @@
BOOT_DEVICE_SPI,
BOOT_DEVICE_SATA,
BOOT_DEVICE_I2C,
+ BOOT_DEVICE_BOARD,
BOOT_DEVICE_NONE
};
#endif
+/* Board-specific load method */
+void spl_board_load_image(void);
+
/* Linker symbols. */
extern char __bss_start[], __bss_end[];