Exynos5: Add support for USB download boot mode

Exynos5250 supports secondary USB device boot mode. If the iROM fails
to download u-boot from the primary boot device (such as SD or eMMC),
it will try to retrieve from the secondary boot device (such as USB).

Signed-off-by: Naveen Krishna Ch <ch.naveen@samsung.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/include/configs/exynos5250-dt.h b/include/configs/exynos5250-dt.h
index 3aed696c2e..4514e7a225 100644
--- a/include/configs/exynos5250-dt.h
+++ b/include/configs/exynos5250-dt.h
@@ -134,6 +134,11 @@
 #define CONFIG_USB_EHCI_EXYNOS
 #define CONFIG_USB_STORAGE
 
+/* USB boot mode */
+#define EXYNOS_COPY_USB_FNPTR_ADDR      0x02020070
+#define EXYNOS_USB_SECONDARY_BOOT       0xfeed0002
+#define EXYNOS_IRAM_SECONDARY_BASE      0x02020018
+
 /* MMC SPL */
 #define CONFIG_SPL
 #define COPY_BL2_FNPTR_ADDR     0x02020030