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dts: renamed FIT_EMBED to MULTI_DTB_FIT and moved it to the dts Kconfig

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CONFIG_FIT_EMBED might be confused with CONFIG_OF_EMBED, rename it
MULTI_DTB_FIT as it is able to get a DTB from a FIT image containing
multiple DTBs. Also move the option to the Kconfig dedicated to the DTS
options and create a README for this feature.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Jean-Jacques Hiblot
2017-09-15 12:57:24 +02:00
committed by Tom Rini
parent 84570a0c11
commit 11955590a2
14 changed files with 45 additions and 28 deletions
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20
dts/Kconfig
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@@ -102,7 +102,7 @@ config DEFAULT_DEVICE_TREE
config OF_LIST
string "List of device tree files to include for DT control"
depends on SPL_LOAD_FIT || FIT_EMBED
depends on SPL_LOAD_FIT || MULTI_DTB_FIT
default DEFAULT_DEVICE_TREE
help
This option specifies a list of device tree files to use for DT
@@ -112,6 +112,24 @@ config OF_LIST
device tree files (without the directory or .dtb suffix)
separated by <space>.
config DTB_RESELECT
bool "Support swapping dtbs at a later point in boot"
depends on MULTI_DTB_FIT
help
It is possible during initial boot you may need to use a generic
dtb until you can fully determine the board your running on. This
config allows boards to implement a function at a later point
during boot to switch to the "correct" dtb.
config MULTI_DTB_FIT
bool "Support embedding several DTBs in a FIT image for u-boot"
help
This option provides hooks to allow U-boot to parse an
appended FIT image and enable board specific code to then select
the correct DTB to be used. Use this if you need to support
multiple DTBs but don't use the SPL.
config OF_SPL_REMOVE_PROPS
string "List of device tree properties to drop for SPL"
depends on SPL_OF_CONTROL