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| author | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2015-12-19 20:20:48 +0100 |
|---|---|---|
| committer | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2016-01-16 21:06:45 +0100 |
| commit | 0fc13a90933c064218ae3a7db5243f39f00e928f (patch) | |
| tree | 280eab27eeb44e9d2b8bc575945d5bc0520cdf41 | |
| parent | e92d9124f8c398405af51aa0bb0277e2dfc68b3d (diff) | |
MIPS: add initial infrastructure for device-tree files
Prepare sub-folder for device-tree files. Make support for
device-tree on MIPS available in Kbuild/Kconfig.
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
| -rw-r--r-- | arch/Kconfig | 1 | ||||
| -rw-r--r-- | arch/mips/config.mk | 1 | ||||
| -rw-r--r-- | arch/mips/dts/.gitignore | 1 | ||||
| -rw-r--r-- | arch/mips/dts/Makefile | 16 | ||||
| l--------- | arch/mips/dts/include/dt-bindings | 1 | ||||
| -rw-r--r-- | arch/mips/dts/skeleton.dtsi | 23 | ||||
| -rw-r--r-- | dts/Makefile | 2 |
7 files changed, 44 insertions, 1 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 1709d40e97..ec120139cb 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -55,6 +55,7 @@ config MIPS select HAVE_PRIVATE_LIBGCC select HAVE_GENERIC_BOARD select SYS_GENERIC_BOARD + select SUPPORT_OF_CONTROL config NDS32 bool "NDS32 architecture" diff --git a/arch/mips/config.mk b/arch/mips/config.mk index 415ec8afd2..b78d4953ba 100644 --- a/arch/mips/config.mk +++ b/arch/mips/config.mk @@ -72,6 +72,7 @@ PF_ABICALLS := -mabicalls PF_PIC := -fpic PF_PIE := -pie PF_OBJCOPY := -j .got -j .u_boot_list -j .rel.dyn -j .padding +PF_OBJCOPY += -j .dtb.init.rodata endif PLATFORM_CPPFLAGS += -G 0 $(PF_ABICALLS) $(PF_PIC) diff --git a/arch/mips/dts/.gitignore b/arch/mips/dts/.gitignore new file mode 100644 index 0000000000..b60ed208c7 --- /dev/null +++ b/arch/mips/dts/.gitignore @@ -0,0 +1 @@ +*.dtb diff --git a/arch/mips/dts/Makefile b/arch/mips/dts/Makefile new file mode 100644 index 0000000000..47b6eb50c3 --- /dev/null +++ b/arch/mips/dts/Makefile @@ -0,0 +1,16 @@ +# +# SPDX-License-Identifier: GPL-2.0+ +# + +dtb-y += + +targets += $(dtb-y) + +# Add any required device tree compiler flags here +DTC_FLAGS += + +PHONY += dtbs +dtbs: $(addprefix $(obj)/, $(dtb-y)) + @: + +clean-files := *.dtb diff --git a/arch/mips/dts/include/dt-bindings b/arch/mips/dts/include/dt-bindings new file mode 120000 index 0000000000..0cecb3d080 --- /dev/null +++ b/arch/mips/dts/include/dt-bindings @@ -0,0 +1 @@ +../../../../include/dt-bindings
\ No newline at end of file diff --git a/arch/mips/dts/skeleton.dtsi b/arch/mips/dts/skeleton.dtsi new file mode 100644 index 0000000000..24ee6c3e73 --- /dev/null +++ b/arch/mips/dts/skeleton.dtsi @@ -0,0 +1,23 @@ +/* + * Skeleton device tree; the bare minimum needed to boot; just include and + * add a compatible value. The bootloader will typically populate the memory + * node. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/ { + #address-cells = <1>; + #size-cells = <1>; + + chosen { + }; + + aliases { + }; + + memory { + device_type = "memory"; + reg = <0 0>; + }; +}; diff --git a/dts/Makefile b/dts/Makefile index d3122aa3b9..c4ac153ef3 100644 --- a/dts/Makefile +++ b/dts/Makefile @@ -45,4 +45,4 @@ dtbs: $(obj)/dt.dtb clean-files := dt.dtb.S # Let clean descend into dts directories -subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/sandbox/dts ../arch/x86/dts +subdir- += ../arch/arm/dts ../arch/microblaze/dts ../arch/mips/dts ../arch/sandbox/dts ../arch/x86/dts |