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Enable building all dtb files when CONFIG_OF_ALL_DTBS is enabled. The dtbs
are not really dependent on a platform being enabled or any other kernel
config, so for testing coverage it is convenient to build all of the dtbs.
This builds all dts files in the tree, not just targets listed.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: linux-metag@vger.kernel.org
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Use dtb-y and always make variables to build dtbs instead of explicit
dtbs rule. This is in preparation to support building all dtbs.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: linux-metag@vger.kernel.org
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Instantiate the PDC GPIO controller driver from tz1090.dtsi ready for
when it is merged.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Grant Likely <grant.likely@linaro.org>
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Select ARCH_WANT_OPTIONAL_GPIOLIB from SOC_TZ1090 to allow GPIOLIB and
GPIO_TZ1090 (the main gpio driver) to be enabled once it is merged, and
instantiate it from tz1090.dtsi.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Grant Likely <grant.likely@linaro.org>
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Select IMGPDC_IRQ from SOC_TZ1090 to enable the PDC interrupt controller
driver once it is merged, and instantiate it from tz1090.dtsi.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Grant Likely <grant.likely@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
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Select PINCTRL_TZ1090_PDC from SOC_TZ1090 to enable the PDC pin
controller driver once it is merged, and instantiate it from
tz1090.dtsi.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Grant Likely <grant.likely@linaro.org>
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Select PINCTRL and PINCTRL_TZ1090 from SOC_TZ1090 to enable the main pin
controller driver once it is merged, and instantiate it from
tz1090.dtsi.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Grant Likely <grant.likely@linaro.org>
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Include *.dtsi files from *.dts using the preprocessor to set a good
example for future device tree files. Files included in the old way
don't get pre-processed.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Grant Likely <grant.likely@linaro.org>
Cc: devicetree-discuss@lists.ozlabs.org
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Add symlink to include/dt-bindings from arch/metag/boot/dts/include/ to
match the one in arch/arm/... (see the commit below) so that
preprocessed device tree files can include various useful constant
definitions.
Commit c58299aa87544a590c62bda0bf52b69fa56cb8d5 ("kbuild: create an
"include chroot" for DT bindings") merged in v3.10-rc1.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Grant Likely <grant.likely@linaro.org>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: linux-kbuild@vger.kernel.org
Cc: devicetree-discuss@lists.ozlabs.org
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The .SECONDARY rule for generating the *.dtb.S files added in
0b4184c26b18ecbc0ec0657f514b087c3a6216fb
"metag: avoid unnecessary builtin dtb rebuilds"
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
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Add really minimal support for Toumaz Xenif TZ1090 SoC (A.K.A. Comet).
This consists of minimal build infrastructure, device tree files, and a
defconfig based on meta2_defconfig.
This SoC contains a 2-threaded HTP (Meta 2) as the main application
processor, and is found in a number of development boards and digital
radios, such as the Minimorph Development Platform.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Rob Landley <rob@landley.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-doc@vger.kernel.org
Cc: devicetree-discuss@lists.ozlabs.org
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The builtin .dtb.S intermediate file needs to be marked with .SECONDARY
so that it isn't automatically deleted (which causes it to be
regenerated on every build). Also add *.dtb.S to clean-files so it gets
cleaned up by make clean.
Similarly, if the specified builtin dtb isn't already in dtb-y (e.g.
imported into the tree and specified in CONFIG_METAG_BUILTIN_DTB_NAME)
it too will be treated as an intermediate and deleted automatically
(again causing it to be regenerated on every build), so add it to dtb-y
so it gets added to targets and the dtbs target.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
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Add metag build infrastructure.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
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Add device tree files to arch/metag.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Reviewed-by: Vineet Gupta <vgupta@synopsys.com>
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Add boot code for metag. Due to the multi-threaded nature of Meta it is
not uncommon for an RTOS or bare metal application to be started on
other hardware threads by the bootloader. Since there is a single MMU
switch which affects all threads, the MMU is traditionally configured by
the bootloader prior to starting Linux. The bootloader passes a
structure to Linux which among other things contains information about
memory regions which have been mapped. Linux then assumes control of the
local heap memory region.
A kernel arguments string pointer or a flattened device tree pointer can
be provided in the third argument.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
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