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-rw-r--r--include/spl.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/spl.h b/include/spl.h
index b2e5bf726f..d19940f2a3 100644
--- a/include/spl.h
+++ b/include/spl.h
@@ -11,6 +11,8 @@
#include <linux/compiler.h>
#include <asm/spl.h>
+/* Value in r0 indicates we booted from U-Boot */
+#define UBOOT_NOT_LOADED_FROM_SPL 0x13578642
/* Boot type */
#define MMCSD_MODE_UNDEFINED 0
@@ -82,4 +84,15 @@ int spl_load_image_ext_os(block_dev_desc_t *block_dev, int partition);
#ifdef CONFIG_SPL_BOARD_INIT
void spl_board_init(void);
#endif
+
+/**
+ * spl_was_boot_source() - check if U-Boot booted from SPL
+ *
+ * This will normally be true, but if U-Boot jumps to second U-Boot, it will
+ * be false. This should be implemented by board-specific code.
+ *
+ * @return true if U-Boot booted from SPL, else false
+ */
+bool spl_was_boot_source(void);
+
#endif
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