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| /rk3399_rockchip-uboot/arch/arm/mach-rockchip/ |
| H A D | bootrom.c | ca0ddd934d52302d42dda29cd6145caec7df6c6c Wed Sep 26 03:54:53 UTC 2018 Kever Yang <kever.yang@rock-chips.com> rockchip: bootrom: update support for back to brom via boot_mode reg
We should clear that the purpose is enter maskrom and get into USB boot:
1. set the bootmode reg to bootrom mode in U-Boot/Kernel by cmd or Tool;
2. Get back to bootrom with non-zero return value if not boot from USB;
3. Clean the tag if already enter USB boot.
Change-Id: I1127357c3b2f499519387880830b2b382f46af10
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
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