[U-Boot] [RFC PATCH 4/5] dfu: spl: add generic spl-dfu function in common-spl

[Ravi Babu]

Add generic spl-dfu function in common-spl, specific
implemention for configuring dfu memory device is
done in platform board specific source file.

Signed-off-by: Ravi Babu <ravibabu at ti.com>
---
 common/spl/spl.c |   11 +++++++++++
 include/spl.h    |    1 +
 2 files changed, 12 insertions(+)

diff --git a/common/spl/spl.c b/common/spl/spl.c
index 82e7f58..ef6d2d1 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -273,6 +273,13 @@ static void announce_boot_device(u32 boot_device)
 static inline void announce_boot_device(u32 boot_device) { }
 #endif
 
+#ifdef CONFIG_SPL_DFU
+__weak int spl_run_dfu(void)
+{
+	return 0;
+}
+#endif
+
 static int spl_load_image(u32 boot_device)
 {
 	switch (boot_device) {
@@ -367,6 +374,10 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
 	spl_board_init();
 #endif
 
+#ifdef CONFIG_SPL_DFU
+	spl_run_dfu();
+#endif
+
 	board_boot_order(spl_boot_list);
 	for (i = 0; i < ARRAY_SIZE(spl_boot_list) &&
 			spl_boot_list[i] != BOOT_DEVICE_NONE; i++) {
diff --git a/include/spl.h b/include/spl.h
index 5f0b0db..5794b05 100644
--- a/include/spl.h
+++ b/include/spl.h
@@ -158,4 +158,5 @@ void spl_board_init(void);
  */
 bool spl_was_boot_source(void);
 
+int spl_run_dfu(void);
 #endif
-- 
1.7.9.5