120 lines
2.5 KiB
Plaintext
120 lines
2.5 KiB
Plaintext
config DTC
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bool
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menuconfig OF
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bool "Device Tree and Open Firmware support"
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help
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This option enables the device tree infrastructure.
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It is automatically selected by platforms that need it or can
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be enabled manually for unittests, overlays or
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compile-coverage.
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if OF
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config OF_UNITTEST
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bool "Device Tree runtime unit tests"
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depends on OF_IRQ
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select OF_EARLY_FLATTREE
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select OF_RESOLVE
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help
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This option builds in test cases for the device tree infrastructure
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that are executed once at boot time, and the results dumped to the
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console.
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If unsure, say N here, but this option is safe to enable.
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config OF_ALL_DTBS
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bool "Build all Device Tree Blobs"
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depends on COMPILE_TEST
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select DTC
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help
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This option builds all possible Device Tree Blobs (DTBs) for the
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current architecture.
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If unsure, say N here, but this option is safe to enable.
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config OF_FLATTREE
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bool
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select DTC
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select LIBFDT
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select CRC32
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config OF_EARLY_FLATTREE
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bool
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select OF_FLATTREE
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config OF_PROMTREE
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bool
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config OF_KOBJ
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def_bool SYSFS
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# Hardly any platforms need this. It is safe to select, but only do so if you
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# need it.
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config OF_DYNAMIC
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bool "Support for dynamic device trees" if OF_UNITTEST
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select OF_KOBJ
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help
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On some platforms, the device tree can be manipulated at runtime.
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While this option is selected automatically on such platforms, you
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can enable it manually to improve device tree unit test coverage.
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config OF_ADDRESS
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def_bool y
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depends on !SPARC && HAS_IOMEM
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select OF_ADDRESS_PCI if PCI
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config OF_ADDRESS_PCI
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bool
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config OF_IRQ
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def_bool y
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depends on !SPARC && IRQ_DOMAIN
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config OF_NET
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depends on NETDEVICES
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def_bool y
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config OF_MDIO
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def_tristate PHYLIB
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depends on PHYLIB
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select FIXED_PHY
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help
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OpenFirmware MDIO bus (Ethernet PHY) accessors
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config OF_PCI
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def_tristate PCI
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depends on PCI
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help
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OpenFirmware PCI bus accessors
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config OF_PCI_IRQ
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def_tristate PCI
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depends on OF_PCI && OF_IRQ
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help
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OpenFirmware PCI IRQ routing helpers
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config OF_RESERVED_MEM
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depends on OF_EARLY_FLATTREE
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bool
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help
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Helpers to allow for reservation of memory regions
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config OF_RESOLVE
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bool
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config OF_OVERLAY
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bool "Device Tree overlays"
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select OF_DYNAMIC
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select OF_RESOLVE
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help
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Overlays are a method to dynamically modify part of the kernel's
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device tree with dynamically loaded data.
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While this option is selected automatically when needed, you can
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enable it manually to improve device tree unit test coverage.
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config OF_NUMA
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bool
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endif # OF
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