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2016-03-11xtensa: xtfpga: fix earlycon endiannessMax Filippov2-2/+2
Serial port is attached to XTFPGA boards as native endian device, now that earlycon parameter parser understands mmio32native put it into earlycon kernel parameter. This makes early console functional on both little- and big-endian CPUs with identical kernel command lines. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2016-03-11xtensa: xtfpga: fix i2c controller register width and endiannessMax Filippov1-1/+2
I2C controller is attached to XTFPGA boards as native endian device, mark it as such in DTS. Set register width in DTS to 4, this way it works both for little- and big-endian CPUs. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2016-03-11xtensa: xtfpga: fix ethernet controller endiannessMax Filippov1-0/+1
Ethernet controller is attached to XTFPGA boards as native endian device, mark it as such in DTS and pass correct endianness in platform data. This makes network functional on big-endian CPUs. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2016-03-11xtensa: xtfpga: fix serial port register width and endiannessMax Filippov1-0/+2
Serial port is attached to XTFPGA boards as native endian device, mark it as such in DTS and pass correct endianness in platform data. Set register width in DTS to 4, this way it matches the platform data and works correctly on big-endian CPUs. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2015-11-09Merge tag 'xtensa-20151108' of git://github.com/czankel/xtensa-linuxLinus Torvalds1-0/+17
Pull xtensa updates from Chris Zankel: - fix remaining issues with noMMU cores - fix build for cores w/o cache or zero overhead loop options - fix boot of secondary cores in SMP configuration - add support for DMA to high memory pages - add dma_to_phys and phys_to_dma functions. * tag 'xtensa-20151108' of git://github.com/czankel/xtensa-linux: xtensa: implement dma_to_phys and phys_to_dma xtensa: support DMA to high memory Revert "xtensa: cache inquiry and unaligned cache handling functions" xtensa: drop unused sections and remapped reset handlers xtensa: fix secondary core boot in SMP xtensa: add FORCE_MAX_ZONEORDER to Kconfig xtensa: nommu: provide defconfig for de212 on kc705 xtensa: nommu: xtfpga: add kc705 DTS xtensa: add de212 core variant xtensa: nommu: select HAVE_FUTEX_CMPXCHG xtensa: nommu: fix default memory start address xtensa: nommu: provide correct KIO addresses xtensa: nommu: fix USER_RING definition xtensa: xtfpga: fix integer overflow in TASK_SIZE xtensa: fix build for configs without cache options xtensa: fixes for configs without loop option
2015-11-02xtensa: nommu: xtfpga: add kc705 DTSMax Filippov1-0/+17
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2015-10-27xtensa: enable building of all dtbsRob Herring1-1/+6
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: Chris Zankel <chris@zankel.net> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: linux-xtensa@linux-xtensa.org
2015-02-07xtensa: xtfpga: add audio card to xtfpga DTSMax Filippov1-0/+64
This includes OpenCores I2C host controller, TI CDCE706 clock generator, xtfpga I2S master controller, xtfpga SPI master controller, TI TLV320AIC23 audio codec and a simple audio card. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2014-10-21xtensa: xtfpga: add lx200 SMP DTS and defconfigMax Filippov1-0/+16
This config allows running SMP-enabled bitstream on LX200 board. NFS or FLASH rootfs, minimal debug, up to 4 cores. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2014-08-14xtensa: configure kc705 for highmemMax Filippov1-1/+4
Enable all memory available on KC705 (1G - 128M) by default. Update memory node in DTS and also limit usable memory in bootargs in case memmap is passed from the bootloader. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2014-04-06xtensa: add support for KC705Max Filippov2-0/+39
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2014-04-06xtensa: xtfpga: introduce SoC I/O busMax Filippov3-53/+64
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2014-02-21xtensa: xtfpga: set ethoc clock frequencyMax Filippov1-0/+1
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>
2014-02-21xtensa: xtfpga: use common clock frameworkMax Filippov1-3/+8
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>
2014-01-15xtensa: standardize devicetree cpu compatible stringsBaruch Siach3-4/+4
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>
2014-01-14xtensa: move built-in PIC to drivers/irqchipMax Filippov1-1/+1
Extract xtensa built-in interrupt controller implementation from xtensa/kernel/irq.c and move it to other irqchips, providing way to instantiate it from the device tree. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-02-23xtensa: use new common dtc ruleStephen Warren1-0/+15
The current rules have the .dtb files build in a different directory from the .dts files. This patch changes xtensa to use the generic dtb rule which builds .dtb files in the same directory as the source .dts. This requires moving parts of arch/xtensa/boot/Makefile into newly created arch/xtensa/boot/dts/Makefile, and updating arch/xtensa/Makefile to call the new Makefile. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2012-12-18xtensa: add XTFPGA DTSMax Filippov5-0/+122
Add common XTFPGA parts as *.dtsi (base board, flash) and DTS for LX60 and for ML605. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
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