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* Merge tag 'xtensa-for-next-20150413' of ↵Chris Zankel2015-04-14
|\ | | | | | | | | | | | | | | | | | | | | | | git://github.com/jcmvbkbc/linux-xtensa into for_next Xtensa improvements for 4.1: - fix locking issues in ISS network driver; - document PIC and MX interrupt distributor device tree bindings; - add CY7C67300 USB controller support to XTFPGA. Signed-off-by: Chris Zankel <chris@zankel.net>
| * xtensa: xtfpga: add CY7C67300 USB controller supportMax Filippov2015-04-13
| | | | | | | | Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* | xtensa: xtfpga: fix hardware lockup caused by LCD driverMax Filippov2015-02-26
|/ | | | | | | | | | | | LCD driver is always built for the XTFPGA platform, but its base address is not configurable, and is wrong for ML605/KC705. Its initialization locks up KC705 board hardware. Make the whole driver optional, and its base address and bus width configurable. Implement 4-bit bus access method. Cc: stable@vger.kernel.org Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* xtensa: make PLATFORM_DEFAULT_MEM parameters configurableMax Filippov2014-10-21
| | | | | | This allows using xtfpga platform with both MMU and noMMU cores. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* xtensa: xtfpga: set ethoc clock frequencyMax Filippov2014-02-21
| | | | | | | Connect xtfpga board ethernet MAC to the clock in the DTS. Set up MAC base frequency in the platform data in case of build w/o CONFIG_OF. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* xtensa: xtfpga: use common clock frameworkMax Filippov2014-02-21
| | | | | | | With this change the board needs to set up single clock object, users of this clock will get correct frequency automatically. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* xtensa: xtfpga: fix definitions of platform devicesMax Filippov2014-01-14
| | | | | | | | Remove __initdata attribute, as the devices may be used after init sections are freed. Cc: stable@vger.kernel.org Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* xtensa: standardize devicetree cpu compatible stringsBaruch Siach2014-01-14
| | | | | | | | | | | The recommended compatible string format, according to the ePAPR v1.1 standard, is "manufacturer,model". Change the xtensa cpu compatible strings to "cdns,xtensa-cpu". Also, change the boards compatible strings in a similar way. The pic compatible string will be dealt with in a separate patch. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
* xtensa: add SMP supportMax Filippov2014-01-14
| | | | | | | | | This is largely based on SMP code from the xtensa-2.6.29-smp tree by Piet Delaney, Marc Gauthier, Joe Taylor, Christian Zankel (and possibly other Tensilica folks). Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: remove NO_IRQ definitionsMax Filippov2014-01-14
| | | | | | | | These definitions (-1) were correct when used as a hardware IRQ number, but are incorrect as a mapped IRQ number. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: cleanup ccount frequency trackingBaruch Siach2013-07-08
| | | | | | | Remove unused nsec_per_ccount, and rename ccount_per_jiffy to ccount_preq. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: xtfpga: fix section mismatchBaruch Siach2013-06-05
| | | | | | | | | | platform_calibrate_ccount() calls update_clock_frequency() which is in .init section. However, platform_calibrate_ccount() itself is only called from .init (i.e., time_init()). Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: fix ibreakenable register updateMax Filippov2013-05-09
| | | | | | | | | | | | Only set the register when there is at least one ibreak register, otherwise the build fails: arch/xtensa/kernel/head.S:105: Error: invalid register 'ibreakenable' for 'wsr' instruction arch/xtensa/platforms/iss/setup.c:67: Error: invalid register 'ibreakenable' for 'wsr' instruction Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: rename prom_update_property to of_update_propertyMax Filippov2013-02-23
| | | | | | | | This rename happened in 79d1c71 powerpc+of: Rename the drivers/of prom_* functions to of_*. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: set the correct ethernet address for xtfpgaChris Zankel2012-12-19
| | | | | | | The last byte of the mac address is determined by a DIP switch, so update the OF property with that address. Signed-off-by: Chris Zankel <chris@zankel.net>
* Use for_each_compatible_node() macro.Wei Yongjun2012-12-19
| | | | | | Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: add support for the XTFPGA boardsMax Filippov2012-12-19
The Avnet LX60/LX110/LX200 board is an FPGA board that can be configured with an Xtensa processor and an OpenCores Ethernet device. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
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