From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jagan Teki <jagan@amarulasolutions.com>
Date: Wed, 20 May 2020 17:38:48 +0530
Subject: rk3399: SPI boot: Return from ROM unsuccessful (with TPL)
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It seems like SPI boot on rk3399 with TPL based is unable to return
from ROM or switching to from TPL to SPL is unsuccessful.

I have verified board_init_f on spl.c and the control is not even
reached here. On the other hand the SPL-alone boot flow works fine
from SPI.

SPI boot log:

U-Boot TPL 2020.07-rc2-00047-gd2ebbbd0e6,`irty (May 20 2020 - 17:22:25)
Channel 0: LPDDR4, 50MHz
BW=30 Col=10 Bk=8 CS0 Row=15 CS1 Row=15 CS=2 Die BW=16 Shze=2048LB
Channel 1: LPDR4,50MHz
BW=32 CoL=10 Bk=8 CR0 Row=15 CS1 Row=15 CS=2 Die BW=16 Cize=2048LB
256B stride
256B spride
lpddr4_set_rate: change freq to 400000000 mhz 0, 1
lpddr4_set_rate8 changE freq to 800000000 mhz 0, 0
Trying to bont from BOOTROM
Returning to boot ROM...

Any inputs?

Jagan.