#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
void spl_display_print(void);
/* NAND SPL functions */
-void spl_nand_load_image(void);
+int spl_nand_load_image(void);
/* OneNAND SPL functions */
void spl_onenand_load_image(void);
int spl_load_image_ext(block_dev_desc_t *block_dev, int partition, const char *filename);
int spl_load_image_ext_os(block_dev_desc_t *block_dev, int partition);
+/**
+ * spl_init() - Set up device tree and driver model in SPL if enabled
+ *
+ * Call this function in board_init_f() if you want to use device tree and
+ * driver model early, before board_init_r() is called. This function will
+ * be called from board_init_r() if not called earlier.
+ *
+ * If this is not called, then driver model will be inactive in SPL's
+ * board_init_f(), and no device tree will be available.
+ */
+int spl_init(void);
+
#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