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kumquat-buildroot/linux/Config.ext.in

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linux: Add Linux Kernel extensions menu Add a kernel sub-menu (called "Linux Kernel Extensions"), which makes possible to patch it or tweak the kernel build step. * All linux/linux-ext-*.mk files will be read by the make process. * The menu can be customized in "linux/Config.ext.in". [Peter: small fixes] Signed-off-by: Benoit Mauduit <benoit.mauduit@openwide.fr> Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-09-17 22:22:51 +02:00
menu "Linux Kernel Extensions"
linux/ext: fix Xenomai unmet dependencies Properly propagate the Xenomai dependencies to the corresponding kernel extension, to fix the following unmet dependencies: warning: (BR2_LINUX_KERNEL_EXT_XENOMAI) selects BR2_PACKAGE_XENOMAI which has unmet direct dependencies (BR2_PACKAGE_XENOMAI_ARCH_SUPPORTS && BR2_TOOLCHAIN_HAS_THREADS && !BR2_TOOLCHAIN_USES_MUSL) While at it, move the comment lower, after the path option, so that the path option is properly indented in the menuconfig. Add markers to separate each extension. Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-09-11 14:38:52 +02:00
#-------------------------------------------------------------------------------
Add xenomai real-time Framework to buildroot [Fixes by Thomas, including comments from Arnout: * Use AUTOTARGETS instead of GENTARGETS * Use $(KERNEL_ARCH) instead of $(BR2_ARCH) as argument to the prepare-kernel.sh script. This allows the arch name to be fixed with the usual sed expressions and the quotes to be stripped. * Add the --verbose option to prepare-kernel.sh. This allows to get some clear error message when no Xenomai patch has been found for the current kernel version. * Improve the help texts as suggested by Arnout, and remove the now useless README file. * Add a BR2_PACKAGE_XENOMAI_SMP option, instead of poking inside the kernel configuration to find out whether SMP is enabled or not. This cannot work because: 1) the kernel might be built outside of Buildroot and 2) if the kernel is built inside Buildroot, it is built *after* Xenomai, so the kernel configuration file is typically not yet present. * Simplify the ARM subarchitecture selection as suggested by Arnout. * Remove the documentation and development files according to Buildroot standards (using BR2_HAVE_DOCUMENTATION and BR2_HAVE_DEVFILES). * Simplify the /etc/ld.so.conf modification logic. ] [Peter: whitespace fixes] Signed-off-by: Benoit Mauduit <benoit.mauduit@openwide.fr> Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-09-17 22:22:52 +02:00
# Xenomai
config BR2_LINUX_KERNEL_EXT_XENOMAI
bool "Adeos/Xenomai Real-time patch"
package/xenomai: move arch restriction to Cobalt core, no restriction for Mercury Xenomai has two mutually exclusive cores: - Cobalt: dual-kernel approach: patched kernel + userland - Mercury: only userland In the Cobalt core, not all architectures are supported. This is the source of the existing ARCH_SUPPORTS variable. In the Mercury core, there is no imposed architecture restriction. Rename the XENOMAI_ARCH_SUPPORTS flag to XENOMAI_COBALT_ARCH_SUPPORTS and move its check from the Xenomai package to the Cobalt core. Nevertheless, even for Mercury, there are some restrictions: - pthread_atfork is used, which requires an MMU - sync functions like __sync_sub_and_fetch and __sync_add_and_fetch are expected. As the corresponding 'linux extension' selects Xenomai, we add the MMU and sync dependencies there too. They may or may not already be covered by XENOMAI_COBALT_ARCH_SUPPORTS flag. Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2019-02-05 17:09:59 +01:00
depends on BR2_PACKAGE_XENOMAI_COBALT_ARCH_SUPPORTS
depends on BR2_USE_MMU # xenomai
depends on BR2_TOOLCHAIN_HAS_SYNC_4 # xenomai
depends on BR2_TOOLCHAIN_HAS_THREADS # xenomai
depends on !BR2_TOOLCHAIN_USES_MUSL # xenomai
Add xenomai real-time Framework to buildroot [Fixes by Thomas, including comments from Arnout: * Use AUTOTARGETS instead of GENTARGETS * Use $(KERNEL_ARCH) instead of $(BR2_ARCH) as argument to the prepare-kernel.sh script. This allows the arch name to be fixed with the usual sed expressions and the quotes to be stripped. * Add the --verbose option to prepare-kernel.sh. This allows to get some clear error message when no Xenomai patch has been found for the current kernel version. * Improve the help texts as suggested by Arnout, and remove the now useless README file. * Add a BR2_PACKAGE_XENOMAI_SMP option, instead of poking inside the kernel configuration to find out whether SMP is enabled or not. This cannot work because: 1) the kernel might be built outside of Buildroot and 2) if the kernel is built inside Buildroot, it is built *after* Xenomai, so the kernel configuration file is typically not yet present. * Simplify the ARM subarchitecture selection as suggested by Arnout. * Remove the documentation and development files according to Buildroot standards (using BR2_HAVE_DOCUMENTATION and BR2_HAVE_DEVFILES). * Simplify the /etc/ld.so.conf modification logic. ] [Peter: whitespace fixes] Signed-off-by: Benoit Mauduit <benoit.mauduit@openwide.fr> Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-09-17 22:22:52 +02:00
select BR2_PACKAGE_XENOMAI
help
linux-ext: update Xenomai help text Reword the help text and get ride of the supported kernel version list which is outdated since Xenomai version bump. [Thomas: rewrap text to the appropriate length, fix some typos.] Signed-off-by: Romain Naour <romain.naour@openwide.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2015-03-26 23:45:15 +01:00
Xenomai is split in two parts: a kernel part and a userspace
part. Enabling this option automatically selects the Xenomai
package and helps in patching the Linux kernel built by
Buildroot with the Xenomai kernel part (ie Adeos/Ipipe).
Add xenomai real-time Framework to buildroot [Fixes by Thomas, including comments from Arnout: * Use AUTOTARGETS instead of GENTARGETS * Use $(KERNEL_ARCH) instead of $(BR2_ARCH) as argument to the prepare-kernel.sh script. This allows the arch name to be fixed with the usual sed expressions and the quotes to be stripped. * Add the --verbose option to prepare-kernel.sh. This allows to get some clear error message when no Xenomai patch has been found for the current kernel version. * Improve the help texts as suggested by Arnout, and remove the now useless README file. * Add a BR2_PACKAGE_XENOMAI_SMP option, instead of poking inside the kernel configuration to find out whether SMP is enabled or not. This cannot work because: 1) the kernel might be built outside of Buildroot and 2) if the kernel is built inside Buildroot, it is built *after* Xenomai, so the kernel configuration file is typically not yet present. * Simplify the ARM subarchitecture selection as suggested by Arnout. * Remove the documentation and development files according to Buildroot standards (using BR2_HAVE_DOCUMENTATION and BR2_HAVE_DEVFILES). * Simplify the /etc/ld.so.conf modification logic. ] [Peter: whitespace fixes] Signed-off-by: Benoit Mauduit <benoit.mauduit@openwide.fr> Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-09-17 22:22:52 +02:00
linux-ext: update Xenomai help text Reword the help text and get ride of the supported kernel version list which is outdated since Xenomai version bump. [Thomas: rewrap text to the appropriate length, fix some typos.] Signed-off-by: Romain Naour <romain.naour@openwide.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2015-03-26 23:45:15 +01:00
You can find the currently supported kernel versions by
looking at the available patches in the Xenomai sources
tree: ksrc/arch/$(ARCH)/patches
However, it is recommended to use the latest version of the
Adeos/Ipipe patch available at
linux/linux-ext-xenomai: allow URL for the ADEOS/IPIPE patch With an URL Buildroot will be able to download the patch automatically. Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com> [Thomas: don't strip file:// in the non-download case] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2019-05-17 14:50:49 +02:00
https://xenomai.org/downloads/ipipe/
linux-ext: update Xenomai help text Reword the help text and get ride of the supported kernel version list which is outdated since Xenomai version bump. [Thomas: rewrap text to the appropriate length, fix some typos.] Signed-off-by: Romain Naour <romain.naour@openwide.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2015-03-26 23:45:15 +01:00
Xenomai is know to support Blackfin, SH4, x86, ARM, NIOS2
and PowerPC architectures.
xenomai: mention which kernel versions are supported Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2012-01-03 21:48:48 +01:00
Add xenomai real-time Framework to buildroot [Fixes by Thomas, including comments from Arnout: * Use AUTOTARGETS instead of GENTARGETS * Use $(KERNEL_ARCH) instead of $(BR2_ARCH) as argument to the prepare-kernel.sh script. This allows the arch name to be fixed with the usual sed expressions and the quotes to be stripped. * Add the --verbose option to prepare-kernel.sh. This allows to get some clear error message when no Xenomai patch has been found for the current kernel version. * Improve the help texts as suggested by Arnout, and remove the now useless README file. * Add a BR2_PACKAGE_XENOMAI_SMP option, instead of poking inside the kernel configuration to find out whether SMP is enabled or not. This cannot work because: 1) the kernel might be built outside of Buildroot and 2) if the kernel is built inside Buildroot, it is built *after* Xenomai, so the kernel configuration file is typically not yet present. * Simplify the ARM subarchitecture selection as suggested by Arnout. * Remove the documentation and development files according to Buildroot standards (using BR2_HAVE_DOCUMENTATION and BR2_HAVE_DEVFILES). * Simplify the /etc/ld.so.conf modification logic. ] [Peter: whitespace fixes] Signed-off-by: Benoit Mauduit <benoit.mauduit@openwide.fr> Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-09-17 22:22:52 +02:00
config BR2_LINUX_KERNEL_EXT_XENOMAI_ADEOS_PATCH
linux/linux-ext-xenomai: allow URL for the ADEOS/IPIPE patch With an URL Buildroot will be able to download the patch automatically. Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com> [Thomas: don't strip file:// in the non-download case] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2019-05-17 14:50:49 +02:00
string "Path/URL for Adeos patch file"
linux/ext: fix Xenomai unmet dependencies Properly propagate the Xenomai dependencies to the corresponding kernel extension, to fix the following unmet dependencies: warning: (BR2_LINUX_KERNEL_EXT_XENOMAI) selects BR2_PACKAGE_XENOMAI which has unmet direct dependencies (BR2_PACKAGE_XENOMAI_ARCH_SUPPORTS && BR2_TOOLCHAIN_HAS_THREADS && !BR2_TOOLCHAIN_USES_MUSL) While at it, move the comment lower, after the path option, so that the path option is properly indented in the menuconfig. Add markers to separate each extension. Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-09-11 14:38:52 +02:00
depends on BR2_LINUX_KERNEL_EXT_XENOMAI
Add xenomai real-time Framework to buildroot [Fixes by Thomas, including comments from Arnout: * Use AUTOTARGETS instead of GENTARGETS * Use $(KERNEL_ARCH) instead of $(BR2_ARCH) as argument to the prepare-kernel.sh script. This allows the arch name to be fixed with the usual sed expressions and the quotes to be stripped. * Add the --verbose option to prepare-kernel.sh. This allows to get some clear error message when no Xenomai patch has been found for the current kernel version. * Improve the help texts as suggested by Arnout, and remove the now useless README file. * Add a BR2_PACKAGE_XENOMAI_SMP option, instead of poking inside the kernel configuration to find out whether SMP is enabled or not. This cannot work because: 1) the kernel might be built outside of Buildroot and 2) if the kernel is built inside Buildroot, it is built *after* Xenomai, so the kernel configuration file is typically not yet present. * Simplify the ARM subarchitecture selection as suggested by Arnout. * Remove the documentation and development files according to Buildroot standards (using BR2_HAVE_DOCUMENTATION and BR2_HAVE_DEVFILES). * Simplify the /etc/ld.so.conf modification logic. ] [Peter: whitespace fixes] Signed-off-by: Benoit Mauduit <benoit.mauduit@openwide.fr> Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-09-17 22:22:52 +02:00
help
linux/linux-ext-xenomai: allow URL for the ADEOS/IPIPE patch With an URL Buildroot will be able to download the patch automatically. Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com> [Thomas: don't strip file:// in the non-download case] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2019-05-17 14:50:49 +02:00
Optionally, explicitly specify where to find the Adeos
patch to use.
Examples:
https://xenomai.org/downloads/ipipe/v4.x/arm/ipipe-core-4.19.33-arm-2.patch
or /home/foo/ipipe-core-4.19.33-arm-2.patch
Please verify that your kernel version in Buildroot matches.
Add xenomai real-time Framework to buildroot [Fixes by Thomas, including comments from Arnout: * Use AUTOTARGETS instead of GENTARGETS * Use $(KERNEL_ARCH) instead of $(BR2_ARCH) as argument to the prepare-kernel.sh script. This allows the arch name to be fixed with the usual sed expressions and the quotes to be stripped. * Add the --verbose option to prepare-kernel.sh. This allows to get some clear error message when no Xenomai patch has been found for the current kernel version. * Improve the help texts as suggested by Arnout, and remove the now useless README file. * Add a BR2_PACKAGE_XENOMAI_SMP option, instead of poking inside the kernel configuration to find out whether SMP is enabled or not. This cannot work because: 1) the kernel might be built outside of Buildroot and 2) if the kernel is built inside Buildroot, it is built *after* Xenomai, so the kernel configuration file is typically not yet present. * Simplify the ARM subarchitecture selection as suggested by Arnout. * Remove the documentation and development files according to Buildroot standards (using BR2_HAVE_DOCUMENTATION and BR2_HAVE_DEVFILES). * Simplify the /etc/ld.so.conf modification logic. ] [Peter: whitespace fixes] Signed-off-by: Benoit Mauduit <benoit.mauduit@openwide.fr> Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-09-17 22:22:52 +02:00
linux/ext: fix Xenomai unmet dependencies Properly propagate the Xenomai dependencies to the corresponding kernel extension, to fix the following unmet dependencies: warning: (BR2_LINUX_KERNEL_EXT_XENOMAI) selects BR2_PACKAGE_XENOMAI which has unmet direct dependencies (BR2_PACKAGE_XENOMAI_ARCH_SUPPORTS && BR2_TOOLCHAIN_HAS_THREADS && !BR2_TOOLCHAIN_USES_MUSL) While at it, move the comment lower, after the path option, so that the path option is properly indented in the menuconfig. Add markers to separate each extension. Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-09-11 14:38:52 +02:00
comment "xenomai needs a uClibc or glibc toolchain w/ threads"
package/xenomai: move arch restriction to Cobalt core, no restriction for Mercury Xenomai has two mutually exclusive cores: - Cobalt: dual-kernel approach: patched kernel + userland - Mercury: only userland In the Cobalt core, not all architectures are supported. This is the source of the existing ARCH_SUPPORTS variable. In the Mercury core, there is no imposed architecture restriction. Rename the XENOMAI_ARCH_SUPPORTS flag to XENOMAI_COBALT_ARCH_SUPPORTS and move its check from the Xenomai package to the Cobalt core. Nevertheless, even for Mercury, there are some restrictions: - pthread_atfork is used, which requires an MMU - sync functions like __sync_sub_and_fetch and __sync_add_and_fetch are expected. As the corresponding 'linux extension' selects Xenomai, we add the MMU and sync dependencies there too. They may or may not already be covered by XENOMAI_COBALT_ARCH_SUPPORTS flag. Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2019-02-05 17:09:59 +01:00
depends on BR2_PACKAGE_XENOMAI_COBALT_ARCH_SUPPORTS
depends on BR2_USE_MMU
depends on BR2_TOOLCHAIN_HAS_SYNC_4
linux/ext: fix Xenomai unmet dependencies Properly propagate the Xenomai dependencies to the corresponding kernel extension, to fix the following unmet dependencies: warning: (BR2_LINUX_KERNEL_EXT_XENOMAI) selects BR2_PACKAGE_XENOMAI which has unmet direct dependencies (BR2_PACKAGE_XENOMAI_ARCH_SUPPORTS && BR2_TOOLCHAIN_HAS_THREADS && !BR2_TOOLCHAIN_USES_MUSL) While at it, move the comment lower, after the path option, so that the path option is properly indented in the menuconfig. Add markers to separate each extension. Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-09-11 14:38:52 +02:00
depends on !BR2_TOOLCHAIN_HAS_THREADS || BR2_TOOLCHAIN_USES_MUSL
#-------------------------------------------------------------------------------
Add support for the RTAI real-time extension [Peter: fix rtai Config.in] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-09-17 22:22:58 +02:00
# RTAI
config BR2_LINUX_KERNEL_EXT_RTAI
Config.in files: whitespace cleanup This patch fixes the following whitespace problems in Config.in files: - trailing whitespace - spaces instead of tabs for indentation - help text not indented with tab + 2 spaces Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2013-11-11 17:23:23 +01:00
bool "RTAI Real-time patch"
select BR2_PACKAGE_RTAI
help
RTAI Kernel part.
Add support for the RTAI real-time extension [Peter: fix rtai Config.in] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-09-17 22:22:58 +02:00
linux: add ev3dev extension This adds an ev3dev Linux drivers extension that provides Linux kernel drivers for LEGO MINDSTORMS EV3 from the ev3dev project. Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-11-02 04:15:55 +01:00
#-------------------------------------------------------------------------------
# ev3dev Linux drivers
config BR2_LINUX_KERNEL_EXT_EV3DEV_LINUX_DRIVERS
bool "ev3dev Linux drivers"
select BR2_PACKAGE_EV3DEV_LINUX_DRIVERS
help
Linux drivers for LEGO MINDSTORMS EV3 from the ev3dev project.
https://github.com/ev3dev/lego-linux-drivers
linux/ext: fix Xenomai unmet dependencies Properly propagate the Xenomai dependencies to the corresponding kernel extension, to fix the following unmet dependencies: warning: (BR2_LINUX_KERNEL_EXT_XENOMAI) selects BR2_PACKAGE_XENOMAI which has unmet direct dependencies (BR2_PACKAGE_XENOMAI_ARCH_SUPPORTS && BR2_TOOLCHAIN_HAS_THREADS && !BR2_TOOLCHAIN_USES_MUSL) While at it, move the comment lower, after the path option, so that the path option is properly indented in the menuconfig. Add markers to separate each extension. Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-09-11 14:38:52 +02:00
#-------------------------------------------------------------------------------
linux: add fbtft kernel extension Tested with RaspberryPi B+ and PiTFT Mini Kit - 320x240 2.8" TFT (see [1] and [2]) and the following target configuration changes: - cmdline.txt: add 'fbcon=map:10 fbcon=font:VGA8x8' - add /etc/modules-load.d/fbtft.conf with 'fbtft_device' - add /etc/modprobe.d/00-fbtft.conf with 'options fbtft_device name=adafruit28 rotate=90 gpios=dc:25' [1] http://h65951.serverkompetenz.net/PeterSeiderer/upload/PiTFT_2_8_ct/Image9893.jpg [2] http://h65951.serverkompetenz.net/PeterSeiderer/upload/PiTFT_2_8_ct/Image9897.jpg [Thomas: - Rename prompt of the Linux extension to "FB TFT drivers" - Remove the full name of the kernel config options in the help text. Giving their CONFIG_<foo> name is enough. - Remove the mention of CONFIG_SPI_BCM2708, since this makes the description RaspberryPi specific, while these drivers can work with any SPI controller. - Refactor the code in linux-ext-fbtft.mk to avoid duplication between the < 3.15 and >= 3.15 cases. - Make the fbtft package a promptless package, since there is no point in selecting only this package, without the kernel extension. - Change the license to GPLv2, since it's kernel code.] Signed-off-by: Peter Seiderer <ps.report@gmx.net> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2015-01-03 21:01:47 +01:00
# fbtft
config BR2_LINUX_KERNEL_EXT_FBTFT
bool "FB TFT drivers"
select BR2_PACKAGE_FBTFT
help
Linux Framebuffer drivers for small TFT LCD display modules,
linux-ext: add fbtft hint for linux kernel >= v4.0 Since v4.0 the fbtft drivers are included in the linux kernel staging area. Signed-off-by: Peter Seiderer <ps.report@gmx.net> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2015-09-25 22:30:46 +02:00
e.g. Adafruit PiTFT displays for Raspberry Pi (this extra
package is only needed for linux kernels until v3.19, since
v4.0 the drivers are included in the staging area).
linux: add fbtft kernel extension Tested with RaspberryPi B+ and PiTFT Mini Kit - 320x240 2.8" TFT (see [1] and [2]) and the following target configuration changes: - cmdline.txt: add 'fbcon=map:10 fbcon=font:VGA8x8' - add /etc/modules-load.d/fbtft.conf with 'fbtft_device' - add /etc/modprobe.d/00-fbtft.conf with 'options fbtft_device name=adafruit28 rotate=90 gpios=dc:25' [1] http://h65951.serverkompetenz.net/PeterSeiderer/upload/PiTFT_2_8_ct/Image9893.jpg [2] http://h65951.serverkompetenz.net/PeterSeiderer/upload/PiTFT_2_8_ct/Image9897.jpg [Thomas: - Rename prompt of the Linux extension to "FB TFT drivers" - Remove the full name of the kernel config options in the help text. Giving their CONFIG_<foo> name is enough. - Remove the mention of CONFIG_SPI_BCM2708, since this makes the description RaspberryPi specific, while these drivers can work with any SPI controller. - Refactor the code in linux-ext-fbtft.mk to avoid duplication between the < 3.15 and >= 3.15 cases. - Make the fbtft package a promptless package, since there is no point in selecting only this package, without the kernel extension. - Change the license to GPLv2, since it's kernel code.] Signed-off-by: Peter Seiderer <ps.report@gmx.net> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2015-01-03 21:01:47 +01:00
To enable fbtft, e.g. for Adafruit 2.8 PiTFT, enable the
following kernel configurations:
- CONFIG_SPI
- CONFIG_GPIOLIB
- CONFIG_FB
- CONFIG_FB_TFT
- CONFIG_FB_TFT_ILI9341
https://github.com/notro/fbtft
aufs: new kernel extension Signed-off-by: Christian Stewart <christian@paral.in> [Atul: - Removed the duplicate conditional block. - Updated the license to GPLv2. - Removed the visibilty of package from menuconfig. - Removed dependencies. - Removed the comment. - Changed the name of variable from BR2_PACKAGE_AUFS_STANDALONE_VERSION to BR2_LINUX_KERNEL_EXT_AUFS_VERSION. - Removed the AUFS_INSTALL_STAGING and AUFS_INSTALL_TARGET variables. - Removed the BR2_PACKAGE_AUFS_3X and BR2_PACKAGE_AUFS_4X variables.] Signed-off-by: Atul Singh <atul.singh.mandla@rockwellcollins.com> [yann.morin.1998@free.fr: - do not fail on version check if aufs ext is disabled - check for empty version - squash aufs package and linux extension in one patch - fail if the kernel already has aufs support - simplify handling of version] Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr> [Thomas: - Fix the apply patch logic, it was using a non-existent AUFS_VERSION_MAJOR variable. BR2_PACKAGE_AUFS_SERIES is used instead.] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-07-17 14:50:37 +02:00
# aufs-standalone
config BR2_LINUX_KERNEL_EXT_AUFS
bool "Aufs Filesystem Module patch"
select BR2_PACKAGE_AUFS
help
Aufs is split in two parts: a kernel part and a userspace
part. Enabling this option automatically selects the aufs
standalone (module) package and patches the Linux kernel
built by Buildroot with the aufs kernel part (ie fs/aufs).
It is important to use the correct branch of aufs-standalone.
if BR2_LINUX_KERNEL_EXT_AUFS
choice
bool "aufs-standalone series"
help
Select the major series of this version. This must match the
major version of your kernel (e.g. for kernels 3.x, select
aufs3.x; for kernels 4.x, select aufs4.x).
Note: neither aufs1.x nor aufs2.x (both for kernels older than
3.x) are supported.
config BR2_LINUX_KERNEL_EXT_AUFS_SERIES_3
bool "aufs3.x"
config BR2_LINUX_KERNEL_EXT_AUFS_SERIES_4
bool "aufs4.x"
endchoice
config BR2_LINUX_KERNEL_EXT_AUFS_SERIES
int
default 3 if BR2_LINUX_KERNEL_EXT_AUFS_SERIES_3
default 4 if BR2_LINUX_KERNEL_EXT_AUFS_SERIES_4
config BR2_LINUX_KERNEL_EXT_AUFS_VERSION
string "aufs-standalone version"
default ""
help
linux/Config.*: re-wrap help text ... to follow the convention <tab><2 spaces><62 chars>. Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2018-04-01 07:08:43 +02:00
The version you choose must match that of your kernel.
Usually, the sha1 of the cset you want to use; avoid using a
branch name as this yields non-reproducible builds.
aufs: new kernel extension Signed-off-by: Christian Stewart <christian@paral.in> [Atul: - Removed the duplicate conditional block. - Updated the license to GPLv2. - Removed the visibilty of package from menuconfig. - Removed dependencies. - Removed the comment. - Changed the name of variable from BR2_PACKAGE_AUFS_STANDALONE_VERSION to BR2_LINUX_KERNEL_EXT_AUFS_VERSION. - Removed the AUFS_INSTALL_STAGING and AUFS_INSTALL_TARGET variables. - Removed the BR2_PACKAGE_AUFS_3X and BR2_PACKAGE_AUFS_4X variables.] Signed-off-by: Atul Singh <atul.singh.mandla@rockwellcollins.com> [yann.morin.1998@free.fr: - do not fail on version check if aufs ext is disabled - check for empty version - squash aufs package and linux extension in one patch - fail if the kernel already has aufs support - simplify handling of version] Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr> [Thomas: - Fix the apply patch logic, it was using a non-existent AUFS_VERSION_MAJOR variable. BR2_PACKAGE_AUFS_SERIES is used instead.] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-07-17 14:50:37 +02:00
linux/Config.*: re-wrap help text ... to follow the convention <tab><2 spaces><62 chars>. Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2018-04-01 07:08:43 +02:00
See the following resources to see what versions are
available:
aufs: new kernel extension Signed-off-by: Christian Stewart <christian@paral.in> [Atul: - Removed the duplicate conditional block. - Updated the license to GPLv2. - Removed the visibilty of package from menuconfig. - Removed dependencies. - Removed the comment. - Changed the name of variable from BR2_PACKAGE_AUFS_STANDALONE_VERSION to BR2_LINUX_KERNEL_EXT_AUFS_VERSION. - Removed the AUFS_INSTALL_STAGING and AUFS_INSTALL_TARGET variables. - Removed the BR2_PACKAGE_AUFS_3X and BR2_PACKAGE_AUFS_4X variables.] Signed-off-by: Atul Singh <atul.singh.mandla@rockwellcollins.com> [yann.morin.1998@free.fr: - do not fail on version check if aufs ext is disabled - check for empty version - squash aufs package and linux extension in one patch - fail if the kernel already has aufs support - simplify handling of version] Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr> [Thomas: - Fix the apply patch logic, it was using a non-existent AUFS_VERSION_MAJOR variable. BR2_PACKAGE_AUFS_SERIES is used instead.] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-07-17 14:50:37 +02:00
linux/Config.*: re-wrap help text ... to follow the convention <tab><2 spaces><62 chars>. Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2018-04-01 07:08:43 +02:00
For aufs3.x:
https://sourceforge.net/p/aufs/aufs3-standalone/ref/master/branches/
For aufs4.x:
https://github.com/sfjro/aufs4-standalone/branches/all
aufs: new kernel extension Signed-off-by: Christian Stewart <christian@paral.in> [Atul: - Removed the duplicate conditional block. - Updated the license to GPLv2. - Removed the visibilty of package from menuconfig. - Removed dependencies. - Removed the comment. - Changed the name of variable from BR2_PACKAGE_AUFS_STANDALONE_VERSION to BR2_LINUX_KERNEL_EXT_AUFS_VERSION. - Removed the AUFS_INSTALL_STAGING and AUFS_INSTALL_TARGET variables. - Removed the BR2_PACKAGE_AUFS_3X and BR2_PACKAGE_AUFS_4X variables.] Signed-off-by: Atul Singh <atul.singh.mandla@rockwellcollins.com> [yann.morin.1998@free.fr: - do not fail on version check if aufs ext is disabled - check for empty version - squash aufs package and linux extension in one patch - fail if the kernel already has aufs support - simplify handling of version] Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr> [Thomas: - Fix the apply patch logic, it was using a non-existent AUFS_VERSION_MAJOR variable. BR2_PACKAGE_AUFS_SERIES is used instead.] Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-07-17 14:50:37 +02:00
endif # aufs
linux: Add Linux Kernel extensions menu Add a kernel sub-menu (called "Linux Kernel Extensions"), which makes possible to patch it or tweak the kernel build step. * All linux/linux-ext-*.mk files will be read by the make process. * The menu can be customized in "linux/Config.ext.in". [Peter: small fixes] Signed-off-by: Benoit Mauduit <benoit.mauduit@openwide.fr> Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2011-09-17 22:22:51 +02:00
endmenu
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