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* | bbu: Add "handler" parameter to barebox_update()Andrey Smirnov2018-10-081-10/+1
| | | | | | | | | | | | | | | | | | | | | | | | Add "handler" parameter to barebox_update() and remove the code that was respondible for header lookup before. With this change finding appropriate handler is caller's responsibility, which makes it possible to implement custom handler lookup/existence check, chache it, and then re-use it without calling handler_find_by_* functions for the second time. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | bbu: Expose bbu_find_handler_by_*() functionsAndrey Smirnov2018-10-081-19/+5
| | | | | | | | | | | | | | | | | | | | | | | | Expose bbu_find_handler_by_device() and bbu_find_handler_by_name() as public functions and convert the only user of barebox_update_handler_exists() to use the former function instead. With this done, barebox_update_handler_exists() is no longer used anywhere in the code and can be removed. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | state: backend_bucket_circular: fix for non power of 2 writesizeLadislav Michl2018-09-261-2/+2
| | | | | | | | | | | | | | | | | | backend_bucket_circular currently assumes writesize is power of 2, which makes it fail on dataflash devices, where this assumption is false. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | ratp: select CMDLINE_EDITINGClément Leger2018-09-261-0/+1
|/ | | | | | | | ratp seems to send special characters which are not handle correctly without CDMLINE_EDITING. Without this config, commands run via ratp will have an erratic behavior and/or incorrect output. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* bootsource: handle SPI-NOR in the same way as SPI-EEPROMLucas Stach2018-09-041-0/+1
| | | | | | | | | The NOR flash device itself does not have an alias in the kernel DT, so we want to have the bootsource pointing at the SPI controller the flash chip is attached to. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* bbu: Report update failures explicitlyAndrey Smirnov2018-08-311-6/+6
| | | | | | | | | Change the code of barebox_update() to explicitly log that update failed instead of failing silently (unless update was interrupted) and relying on user checking the return code. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* block: Do not ignore error in blk->ops->write()Andrey Smirnov2018-08-311-3/+14
| | | | | | | | | | | Getting a error from blk->ops->write() is not a very unlikely event (happens quite often during new board bringup), so we need to catch and propagate them to upper layers so they can be at least reported properly. Change the code of all of the callers to bail out as soon as blk->ops->write() fails. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* bbu: Remove logical negation in barebox_update_handler_exists()Andrey Smirnov2018-08-311-1/+1
| | | | | | | | | Returning !bbu_find_handler() from barebox_update_handler_exists() would return the opposite result from what the name of that funciton implies. Drop the "!" to make it behave as expected. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* filetype: Add code to detect i.MX image v2Andrey Smirnov2018-08-311-0/+4
| | | | | | | | Modify file_detect_type() and add code needed to be able to detect i.MX boot images with v2 header. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* filetype: Add code to detect i.MX image v1Andrey Smirnov2018-08-311-0/+7
| | | | | | | | Modify file_detect_type() and add code needed to be able to detect i.MX boot images with v1 header. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* filetype: Add arch/ to include pathAndrey Smirnov2018-08-311-0/+1
| | | | | | | | Add arch/ to include path for filetype.o so that it would be possible to pull in various machine specific constants in. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/misc'Sascha Hauer2018-08-131-2/+3
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| * FIT: be more verbose when RSA signature check failsRoland Hieber2018-08-101-2/+3
| | | | | | | | | | | | | | Tell the user what device tree node we're looking for. Signed-off-by: Roland Hieber <r.hieber@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | block: Adjust cache sizesSascha Hauer2018-07-131-2/+2
|/ | | | | | | | Use four times more cache entries and divide the memory for each entry by four. This lowers the linear read throughput somewhat but increases the access speed for filesystems. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/imx8mq'Sascha Hauer2018-07-091-3/+1
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| * clock: Use udelay() to implement mdelay()Andrey Smirnov2018-06-151-3/+1
| | | | | | | | | | Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/imx'Sascha Hauer2018-07-091-1/+3
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| * | common: clock: Sample time before poller_call()Andrey Smirnov2018-07-021-1/+3
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change is_timeout() to sample current time before invoking poller infrascructure to avoid occasional false timeout conditions. Consider the following timeout loop (can be found in wait_on_timeout): while (!(condition)) { if (is_timeout(...)) { return -ETIMEDOUT; } } ... in the original logic of is_timeout() it was possible to end up in the following situation: 1. Immediate check of of "condition" yeilds false (not enough time for it to become true has passed yet) 2. is_timeout is called which, in turn, calls poller_call() 3. All registerd pollers take more than specified timeout time to execute. 4. Sometime during poller_call() "contition" becomes true 5. As a result of #3 is_timeout() returns "true" 6. Code bails out with -ETIMEDOUT early even though timeout condition didn't really occur. One concrete example of this problem was discovered on ZII RDU1 board (poller_call() is long due to a serdev) when doing large data transfers over SPI to attached DataFlash chip. This commit changes is_timeout() to sample the value of time before calling poller_call(). This way first call to is_timeout() will almost always return false thus checking the condition at least twice before declaring a timeout. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/dts-warnings'Sascha Hauer2018-07-091-1/+1
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| * | console: Update description for global.linux.bootargs.consoleSascha Hauer2018-06-191-1/+1
| |/ | | | | | | | | | | Replace linux,stdout-path with stdout-path as the former is deprecated. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/console'Sascha Hauer2018-07-093-7/+10
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| * | console_simple: add newline conversion for putc_ll caseSascha Hauer2018-06-191-0/+2
| | | | | | | | | | | | | | | | | | | | | When console_putc uses putc_ll for early printing then it must do a newline conversion as putc_ll doesn't do it. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | console_simple: Fix newline conversionSascha Hauer2018-06-191-1/+2
| | | | | | | | | | | | | | | | | | Newline should be "\r\n" rather than "\n\r" Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | console_simple: Remove duplicated newline conversionSascha Hauer2018-06-191-2/+0
| | | | | | | | | | | | | | | | | | | | | console_puts uses console_putc for printing which already does newline conversion, so do not do it again in console_puts. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | console: remove duplicate newline conversionSascha Hauer2018-06-191-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | When the console is not yet fully initialized then console_puts falls back to print characters using console_putc. console_putc already does newline conversion, so do not repeat it in console_puts. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | console: add missing newline conversion for putc_llSascha Hauer2018-06-191-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | putc_ll doesn't do newline conversion (and it shouldn't do, as it's a static inline function for early debugging, adding more code there is not nice), so add newline conversion to the console code when it uses putc_ll for printing early messages. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | console: Fix console_get_first_active()Andrey Smirnov2018-06-191-1/+2
| |/ | | | | | | | | | | | | | | Fix if condition in console_get_first_active() to actually check that both bit are set. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/bootm'Sascha Hauer2018-07-095-32/+198
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| * add basic ELF parserOleksij Rempel2018-06-183-0/+150
| | | | | | | | | | | | | | | | This parser is needed for kernel boot support on MIPS and can potentially reused on other platforms. Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * filetype: add ELF typeAntony Pavlov2018-06-151-0/+5
| | | | | | | | | | Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * bootm: Split bootm_load_devicetree into two functionsSascha Hauer2018-06-151-26/+43
| | | | | | | | | | | | | | | | | | | | | | | | | | It is not always desired to get the devicetree from image data and load it to a SDRAM region at the same time. Sometimes it's enough to just load it to an allocated address (in case the user has no constraints where the devicetree should be placed. This patch splits bootm_load_devicetree into bootm_get_devicetree which returns a pointer to the allocated devicetree and bootm_load_devicetree which loads the devicetree to a specified region. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * bootm: Drop data->oftreeSascha Hauer2018-06-151-6/+0
| | | | | | | | | | | | | | It's no longer necessary to store the devicetree pointer in struct image_data, it can be replaced with a local variable. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/of-bootsource'Sascha Hauer2018-06-112-1/+100
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| * | common: oftree: Pass reset source and reset source instance to kernelAndrey Smirnov2018-05-181-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Detecting reset reason is, in some cases, a destructive operation and in such cases it is impossible to obtain that information in the kernel without some help from barebox. Pass reset source and reset source instance to kernel to Linux to make it availible to Linux userspace. This info is placeed under /chosen/bootsource and it can be read under Linux in /sys/firmware/devicetree/base/chosen/reset-source. and /sys/firmware/devicetree/base/chosen/reset-source-instance. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | common: oftree: Pass bootsource and bootsource instance to kernelAndrey Smirnov2018-05-181-1/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pass barebox-detected bootsource to Linux to make it availible to Linux userspace. That information is passed as full path to the node corresponding to the bootsource and is placed under /chosen/bootsource and it can be read under Linux in /sys/firmware/devicetree/base/chosen/bootsource Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | bootsource: Add bootsource alias name APIAndrey Smirnov2018-05-181-0/+68
| |/ | | | | | | | | | | | | | | Add API allowing to query and override the name of the alias pointing at DTB node representing current bootsource. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/mvebu'Sascha Hauer2018-06-111-5/+17
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| * | kwbimage_v0: add support to detect and boot a mvebu v0 imageUwe Kleine-König2018-06-041-5/+17
| |/ | | | | | | | | | | | | | | | | The differences between v0 and v1 of the mvebu kwbimage are small enough that the function to boot such an image can be shared between both variants. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/mips'Sascha Hauer2018-06-111-1/+1
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| * | resource: fix iomem_resource.end for 64 bit systemsPeter Mamonov2018-05-231-1/+1
| |/ | | | | | | | | | | | | | | Fix iomem_resource.end to cover the whole address space addressable by a variable of type resource_size_t. Signed-off-by: Peter Mamonov <pmamonov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* / aarch64: Add i.MX8 debug UART supportSascha Hauer2018-06-111-0/+8
|/ | | | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> [andrew.smirnov@gmail.com: Added imx8_uart_setup_ll()] Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/state'Sascha Hauer2018-05-094-4/+27
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| * common: state: Add property to protect existing dataDaniel Schultz2018-04-164-4/+27
| | | | | | | | | | | | | | | | | | | | | | After an update to a newer barebox version with an enabled state framework, existing data in storage memories could be overwritten. Add a new property to check in front of every write task, if the meta magic field only contains the magic number, zeros or ones. Signed-off-by: Daniel Schultz <d.schultz@phytec.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/serdev'Sascha Hauer2018-05-093-3/+230
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| * | serdev: Allow polling interval to be adjusted at runtimeAndrey Smirnov2018-04-171-1/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Due to blocking, synchronous, polling driven nature of Barebox's serial communication handling trying to use two or more serial ports at high (1Mbaud+) baudrates results in data loss and noticeable perofmance degradation. This happens as soon as individual message being sent around start exceeding HW Rx FIFO in size. A good example of such a usecase would be using a system that has a serdev driver (operating @ 1Mbaud+) and trying to do a X/YMODEM transfer via serial console at comparable baudrates. To at least partially ameliorate the problem, add code that will expose "polling_interval" as a parameter, so that the user would have an option of temporarily disabling (or significatly decreasing the rate) of a given serdev's polling. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | serdev: Add trivial blocking read functionAndrey Smirnov2018-04-171-0/+95
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add example implementation of a trivial blocking read function as a part of Barebox's serdev API. NOTE: This code has not been tested against real devices, so use it at your own risk. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | console: Add simplified 'serdev' framework from Linux kernelAndrey Smirnov2018-04-173-3/+111
| |/ | | | | | | | | | | | | | | | | Port 'serdev' UART-slave deivce framework found in recent Linux kernels (post 4.13) in order to be able to port 'serdev' slave drivers from Linux. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/misc'Sascha Hauer2018-05-091-1/+30
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| * | blspec: add checking of optional key machine-idAndreas Schmidt2018-05-081-1/+30
| |/ | | | | | | | | | | | | | | | | | | | | | | | | For filtering of Bootloader Spec entries, Bootloader Spec specify an optional key machine-id. By set the global.boot.machine-id variable the checking of machine-id key in Bootloader Spec entries will be activate. If the variable and key match, appropriate boot entry will be booting. If it not match boot entry will be ignore and barebox check the next boot entry. Signed-off-by: Andreas Schmidt <mail@schmidt-andreas.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | Merge branch 'for-next/imx-reset-reason'Sascha Hauer2018-05-091-0/+23
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