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This does not have much impact on behavior, but makes code look more
more like Linux. The use of devm_ioremap() often helps to delete
.remove callbacks entirely.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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Introduce virtual and physical addresses in the mapping table. This change
have no impact on existing boards because they all use idential mapping.
Signed-off-by: York Sun <york.sun@nxp.com>
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I noticed secondary CPUs sometimes fail to wake up, and the root
cause is that the sev instruction wakes up slave CPUs before the
preceding the register write is observed by them.
The read-back of the accessed register does not guarantee the order.
In order to ensure the order between the register write and the sev
instruction, a dsb instruction should be executed prior to the sev.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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This is the first ARMv8 SoC from Socionext Inc.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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