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armv8: fsl-layerscape: Update parsing boot source
authorYork Sun <york.sun@nxp.com>
Mon, 5 Nov 2018 18:02:09 +0000 (18:02 +0000)
committerYork Sun <york.sun@nxp.com>
Thu, 6 Dec 2018 22:37:19 +0000 (14:37 -0800)
commit9568a4ba4b55d594eb19f91d86ae33ae3d729b03
tree66a4244e1f6382be7584687574284be3b92cb71btree | snapshot
parentadf6dc2238201bebb11038d369abf5f0a50770c5commit | diff
armv8: fsl-layerscape: Update parsing boot source

Workaround of erratum A010539 clears the RCW source field in PORSR1
register, causing failure of detecting boot source using this method.
Use SMC call if U-Boot runs at EL2. If SMC is not implemented or
running at EL3, continue to read PORSR1 and presume QSPI as boot
source if erratum workaround A010539 is enabled and RCW source is
cleared.

Signed-off-by: York Sun <york.sun@nxp.com>
arch/arm/cpu/armv8/fsl-layerscape/cpu.c diff | blob | history
arch/arm/include/asm/arch-fsl-layerscape/soc.h diff | blob | history
"Das U-Boot" Source Tree.