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mx5: Mark lowlevel_init board-specific code

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The mx5 lowlevel_init.S contains board-specific code based on the reference
design. Let's keep it since it avoids creating new lowlevel_init files and it
may be used by many boards. But add a config to make it optional in order not to
cause issues on boards not following this part of the reference design.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Matt Sealey <matt@genesi-usa.com>
Acked-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Benoît Thébaudeau
2012-11-05 10:07:04 +00:00
committed by Stefano Babic
parent fa88ddb75f
commit 39e8576164
5 changed files with 9 additions and 1 deletions
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doc/README.imx5
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@@ -15,3 +15,8 @@ i.MX5x SoCs.
mode), which causes the effect of this failure to be much lower (in terms
of frequency deviation), avoiding system failure, or at least decreasing
the likelihood of system failure.
1.2 CONFIG_SYS_MAIN_PWR_ON: Trigger MAIN_PWR_ON upon startup.
This option should be enabled for boards having a SYS_ON_OFF_CTL signal
connected to GPIO1[23] and triggering the MAIN_PWR_ON signal like in the
reference designs.