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* Shell: Handle aborting loops betterSascha Hauer2019-04-241-1/+1
| | | | | | | | | | | | | | | | | | It's easy to get stuck in an infinite loop in the hush shell: while true; do sleep 1; done The 'sleep' command will check for ctrl-c with the ctrlc() function. This will abort the sleep command. Hush then checks for ctrl-c again in the loop. The ctrl-c in the buffer has already been eaten by the sleep command, so the loop will continue. With this patch we remember the presence of a ctrl-c character in a variable instead of checking for a new character each time. The variable must be resetted explicitly by calling ctrlc_handled() which will be called by the shell in the outer loop. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/misc'Sascha Hauer2019-02-131-2/+0
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| * move umode_t typedef from asm/types.h to linux/types.hAntony Pavlov2019-01-181-2/+0
| | | | | | | | | | Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | devfs: Drop dev_lseek_default()Andrey Smirnov2019-01-291-1/+0
|/ | | | | | | | | | | | | | | | | | | | | Only the following cdevs do not declare an .lseek() operation: - Console devices in common/console.c - Firmware framework in common/firmware.c - JTAG driver in drivers/misc/jtag.c - UBI in drivers/mtd/ubi/barebox.c Of those four, first two are marked DEVFS_IS_CHARACTER_DEV and implement only .write() operation and the last two don't implement anything but .ioctl(). While there's probably no meaningful way to use lseek() against any of those devices, there doesn't seem to be any harm in allowing it either. Change devfs_lseek() to ignore absense of .lseek() callback and drop dev_lseek_default() and all references to it in the codebase. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* kconfig: include common Kconfig files from top-level KconfigAntony Pavlov2018-12-031-8/+0
| | | | | | | | | | | | | Based on this linux kernel commit: > commit 1572497cb0e6d2016078bc9d5a95786bb878389f > Author: Christoph Hellwig <hch@lst.de> > Date: Tue Jul 31 13:39:30 2018 +0200 > > kconfig: include common Kconfig files from top-level Kconfig Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* drivers: Introduce dev_set_name()Andrey Smirnov2018-10-181-1/+1
| | | | | | | | Introduce dev_set_name() in order to hide implementation details of setting device's name so it'd be easier to change it. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* rename file_operations -> cdev_operationsSascha Hauer2018-04-061-1/+1
| | | | | | | | Linux also has struct file_operations which are something different. Rename our file_operations to cdev_operations which better matches what we have. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ratp: implement generic command supportAleksander Morgado2018-03-011-0/+5
| | | | | | | | | | | | | | | | | | | The RATP implementation now allows executing generic commands with a binary interface: binary requests are received and binary responses are returned. Each command can define its own RATP request contents (e.g. to specify command-specific options) as well as its own RATP response contents (if any data is to be returned). Each command is associated with a pair of numeric unique request and response IDs, and for easy reference these IDs are maintained in the common ratp_bb header. Modules may override generic implemented commands or include their own new ones (as long as the numeric IDs introduced are unique). Signed-off-by: Aleksander Morgado <aleksander@aleksander.es> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/sandbox-libftdi'Sascha Hauer2018-02-087-3/+272
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| * sandbox: add i2c and spi libftdi1 bit-bang exampleAntony Pavlov2018-01-292-1/+94
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make necessary changes in sandbox_defconfig: enable gpio, spi, i2c and led stuff. Usage: barebox$ make sandbox_defconfig barebox$ sed -i "s/# CONFIG_GPIO_LIBFTDI1.*$/CONFIG_GPIO_LIBFTDI1=y/" .config # edit arch/sandbox/dts/sandbox-libftdi-example.dtsi barebox$ echo '#include "sandbox-libftdi-example.dtsi"' >> arch/sandbox/dts/sandbox.dts barebox$ make barebox$ sudo ./barebox -d arch/sandbox/dts/sandbox.dtb Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * sandbox: add gpio support with libftdi1Antony Pavlov2018-01-295-1/+175
| | | | | | | | | | Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * sandbox: avoid symbol conflict for {open,read,close}dirAntony Pavlov2018-01-291-1/+3
| | | | | | | | | | | | | | This fixes libusb's /dev/bus/usb directory scan. Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | sandbox: use 'poweroff' command for exitAntony Pavlov2018-01-254-19/+19
|/ | | | | | | | The 'poweroff' command is more appropriate for exit barebox than 'reset'. Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* asm-generic: partially sync io.h with linux kernelOleksij Rempel2017-09-081-1/+2
| | | | | Signed-off-by: Oleksij Rempel <linux@rempel-privat.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: new --stdinout option to enable a bidirectional consoleAleksander Morgado2017-06-061-11/+42
| | | | | | | | | In addition to allowing read-only and write-only consoles with --stdin and --stdout, we now allow bidirectional read/write consoles with FIFO files. This is e.g. to allow doing RATP over the FIFO based consoles. Signed-off-by: Aleksander Morgado <aleksander@aleksander.es> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: Fix registering file/fifo consolesSascha Hauer2017-06-011-19/+19
| | | | | | | | barebox_register_console() uses xzalloc which requires the malloc pool to be initialized, so call it during the second option parsing when this is already done. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: fix registering multiple consolesAleksander Morgado2017-06-013-7/+6
| | | | | | | | | | | | | | | | | | Consoles need to be registered with the "console" device name so that they are probed by the correct driver. The barebox_register_console() was already forcing this as it was overwriting the name that was being passed as argument, but it was failing to provide a unique id for each new console, so the underlying register_device() would just return an error when wanting to re-register a device with device name "console" and id 0. We remove the unused name parameter from barebox_register_console() as it is really nowhere used, and also specify DEVICE_ID_DYNAMIC as id, so that a new unique device id is given to each newly registered console device. Signed-off-by: Aleksander Morgado <aleksander@aleksander.es> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/ofpart'Sascha Hauer2017-04-071-4/+2
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| * treewide: Use of_property_write_string() where appropriateSascha Hauer2017-03-301-4/+2
| | | | | | | | | | | | | | Replace users which use of_set_property() to set a property to a string with of_property_write_string(). Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | sandbox_defconfig: enable squashfs supportAntony Pavlov2017-04-061-0/+1
|/ | | | | Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/misc'Sascha Hauer2016-11-144-33/+1
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| * sandbox: eliminate sdl_init()Antony Pavlov2016-10-192-7/+1
| | | | | | | | | | Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * sandbox: drop unused header filesAntony Pavlov2016-10-122-26/+0
| | | | | | | | | | Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | arch: refresh defconfigsSascha Hauer2016-10-121-6/+0
|/ | | | | | | | | | | | | | | | | | | | | | The defconfig files are long untouched and a make xy_defconfig; make savedefconfig usually generates quite a different looking file. Refresh them to make it easier to generate patches against the configs using make xy_defconfig; make menuconfig; make savedefconfig This has been done with the following script. for a in arch/*; do arch=$(basename $a) for c in $a/configs/*; do config=$(basename $c) export ARCH=$arch make $config && make savedefconfig && mv defconfig $c done done Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: Makefile: drop unused SUBARCH stuffAntony Pavlov2016-10-041-5/+0
| | | | | Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* rework remap_rangeSascha Hauer2015-11-031-13/+1
| | | | | | | | | | | | | | | | | | remap_range is for remapping regions with different cache attributes. It is implemented for ARM and PowerPC only, the other architectures only provide stubs. Currently the new cache attributes are passed in an architecture specific way and the attributes have to be retrieved by calls to mmu_get_pte_cached_flags() and mmu_get_pte_uncached_flags(). Make this simpler by providing architecture independent flags which can be directly passed to remap_range() Also provide a MAP_ARCH_DEFAULT flag and a arch_can_remap() function. The MAP_ARCH_DEFAULT defaults to whatever caching type the architecture has as default. the arch_can_remap() function returns true if the architecture can change the cache attributes, false otherwise. This allows the memtest code to better find out what it has to do. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* restart: replace reset_cpu with registered restart handlersSascha Hauer2015-08-274-3/+22
| | | | | | | | | | | | | | | | | | | | | | This replaces the reset_cpu() function which every SoC or board must provide with registered handlers. This makes it possible to have multiple reset functions for boards which have multiple ways to reset the machine. Also boards which have no way at all to reset the machine no longer have to provide a dummy reset_cpu() function. The problem this solves is that some machines have external PMICs or similar to reset the system which have to be preferred over the internal SoC reset, because the PMIC can reset not only the SoC but also the external devices. To pick the right way to reset a machine each handler has a priority. The default priority is 100 and all currently existing restart handlers are registered with this priority. of_get_restart_priority() allows to retrieve the priority from the device tree which makes it possible for boards to give certain restart handlers a higher priority in order to use this one instead of the default one. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/misc'Sascha Hauer2015-08-061-0/+63
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| * sandbox: Update defconfigSascha Hauer2015-07-201-0/+63
| | | | | | | | | | | | | | The sandbox defconfig hasn't been updated for a long time. This enables tons of features since the binary size is not relevant at all for sandbox. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | exitcall: Add exitcall infrastructureHerve Codina2015-07-131-0/+5
|/ | | | | | | | exitcall infrastructure is based on initcall infrastructure. It allows to have and use exit call hooks on barebox shutdown. Signed-off-by: Herve Codina <Herve.CODINA@celad.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: asm/byteorder.h: fix guard macro nameAntony Pavlov2015-07-021-3/+3
| | | | | Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: use generic posix_types.hSascha Hauer2015-06-031-93/+1
| | | | | | | Use generic asm-generic/posix_types.h instead of repeating the typedefs. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* introduce bitsperlong.h for remaining architecturesSascha Hauer2015-06-032-1/+11
| | | | | | | | This introduces the bitsperlong.h file for the remaining architectures. It's purpose is to define BITS_PER_LONG which in the next step can be used by a generic posix_types.h file. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* dma: Use generic place for dma_addr_t typedefSascha Hauer2015-05-221-4/+0
| | | | | | | | | Instead of letting all architectures define their own dma_addr_t use a common place in include/linux/types.h and use a Kconfig symbol that architectures can select to define the width of dma_addr_t. The same is done in the Kernel. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: hostfile: completely switch to OF based probingMarc Kleine-Budde2015-03-063-34/+70
| | | | | Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: hostfile: improve --image parameter to support "dev=file"Marc Kleine-Budde2015-03-061-3/+12
| | | | | | | | | | | | This patch makes it possible to specify the device name of a file added to the sandbox via the --image paramter, e.g.: barebox --image foo=bar.image This means the file "bar.image" is added as "/dev/foo" to the sandbox. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: move device name generation for image/env into add_image()Marc Kleine-Budde2015-03-061-10/+11
| | | | | Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: hostfile: is always mmpad'edMarc Kleine-Budde2015-03-061-10/+6
| | | | | | | ...so remove conditional code. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: hostfile: use the memory resource to determine the size not the ↵Marc Kleine-Budde2015-03-061-1/+7
| | | | | | | platform_data Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: hostfile: probe driver earlierMarc Kleine-Budde2015-03-061-1/+1
| | | | | | | | This patch convert from device_platform_driver to coredevice_platform_driver, so that the driver is initialzied before the state framework is probed. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: hostfile: move fd from platform data to privMarc Kleine-Budde2015-03-061-5/+7
| | | | | Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: hostfile: remove struct hf_platform_data from hf_privMarc Kleine-Budde2015-03-061-3/+0
| | | | | Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: hostfile: probe(): add missing pointer from cdev.dev to devMarc Kleine-Budde2015-03-061-0/+1
| | | | | | | | Without this pointer the cdev will not be associated with the dev, of_find_path() relies on this. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: hostfile: clarify variable namesMarc Kleine-Budde2015-03-063-10/+10
| | | | | | | | Use "filename" for the name of the file in the host system, while "devname" for the device in the sandbox. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: activate OF support in defconfigMarc Kleine-Budde2015-03-061-12/+23
| | | | | Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: add sample dtsMarc Kleine-Budde2015-03-065-0/+34
| | | | | Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: add support to pass dtb to bareboxMarc Kleine-Budde2015-03-065-1/+117
| | | | | Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: fix indention in help textMarc Kleine-Budde2015-03-031-1/+1
| | | | | Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* sandbox: get malloc_size from .configAntony Pavlov2015-01-212-1/+3
| | | | | Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* kbuild: add KBUILD_DEFCONFIGMasahiro Yamada2015-01-141-0/+1
| | | | | | | | | | This allows "make ARCH=... defconfig". Fox example, you can type "make defconfig" instead of "make sandbox_defconfig". Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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