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Exynos5: Add support for USB download boot mode

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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>
This commit is contained in:
Vivek Gautam
2013-01-28 00:39:59 +00:00
committed by Minkyu Kang
parent 601795462a
commit 70656c79f3
2 changed files with 43 additions and 2 deletions
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5
include/configs/exynos5250-dt.h
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@@ -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