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Commit 32cde0b5 authored by Jon Hunter's avatar Jon Hunter
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ARM: OMAP2+: Convert ONENAND to retrieve GPMC settings from DT



When booting with device-tree, retrieve GPMC settings for ONENAND from
the device-tree blob. This will allow us to remove all static settings
stored in the gpmc-nand.c in the future once the migration to
device-tree is complete.

The user must now specify the ONENAND device width in the device-tree
binding so that the GPMC can be programmed correctly. Therefore, update
the device-tree binding documentation for ONENAND devices connected to
the GPMC to reflect this.

Please note that this does not include GPMC timings for ONENAND. The
timings are being calculated at runtime.

There is some legacy code that only enables read wait monitoring for
non-OMAP3 devices. There are no known OMAP3 device issues that prevent
this feature being enabled and so when booting with device-tree use the
wait-monitoring settings described in the device-tree blob.

Signed-off-by: default avatarJon Hunter <jon-hunter@ti.com>
Tested-by: default avatarEzequiel Garcia <ezequiel.garcia@free-electrons.com>
parent acc79980
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