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@@ -162,6 +162,7 @@ config PPC_83xx
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select FSL_SOC
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select 83xx
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select PPC_FPU
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+ select WANT_DEVICE_TREE
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config PPC_85xx
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bool "Freescale 85xx"
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@@ -572,6 +573,29 @@ config SECCOMP
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If unsure, say Y. Only embedded should say N here.
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+config WANT_DEVICE_TREE
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+ bool
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+ default n
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+
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+config DEVICE_TREE
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+ string "Static device tree source file"
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+ depends on WANT_DEVICE_TREE
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+ help
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+ This specifies the device tree source (.dts) file to be
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+ compiled and included when building the bootwrapper. If a
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+ relative filename is given, then it will be relative to
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+ arch/powerpc/boot/dts. If you are not using the bootwrapper,
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+ or do not need to build a dts into the bootwrapper, this
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+ field is ignored.
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+
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+ For example, this is required when building a cuImage target
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+ for an older U-Boot, which cannot pass a device tree itself.
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+ Such a kernel will not work with a newer U-Boot that tries to
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+ pass a device tree (unless you tell it not to). If your U-Boot
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+ does not mention a device tree in "help bootm", then use the
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+ cuImage target and specify a device tree here. Otherwise, use
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+ the uImage target and leave this field blank.
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+
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endmenu
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config ISA_DMA_API
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