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H A Duniphier.hd5ed8c5727f6985505ceb6e8640528e7e08e9670 Fri Sep 11 11:17:47 UTC 2015 Masahiro Yamada <yamada.masahiro@socionext.com> ARM: uniphier: change the external bus address mapping

In UniPhier SoCs before ProXstream2 and PH1-LD6b, two address spaces
0x00000000 - 0x0fffffff
0x40000000 - 0x4fffffff
are both mapped to the external bus (also called system bus),
so either was OK.

In the newest two SoCs, the former (0x00000000 - 0x0fffffff) is
assigned for the serial NOR interface.

Going forward, use the latter for the external bus.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>