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* xtensa: add SMP supportMax Filippov2014-01-141-43/+57
| | | | | | | | | 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: move init_mmu declaration to mmu_context.hMax Filippov2014-01-141-0/+6
| | | | | | | Secondary CPUs need this declaration to initialize their MMUs. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: clean up files to make them code-style compliantChris Zankel2012-12-181-1/+1
| | | | | | | Remove heading and trailing spaces, trim trailing lines, and wrap lines that are longer than 80 characters. Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: reorganize SR referencingMax Filippov2012-10-151-2/+2
| | | | | | | | | | - reference SRs by names where possible, not by numbers; - get rid of __stringify around SR names where possible; - remove unneeded SR names from asm/regs.h; - add SREG_ prefix to remaining SR names; Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: nommu supportJohannes Weiner2009-04-021-0/+5
| | | | | | | Add support for !CONFIG_MMU setups. Signed-off-by: Johannes Weiner <jw@emlix.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: remove redefinition of XCHAL_MMU_ASID_BITSJohannes Weiner2009-04-021-2/+2
| | | | | | | | | This constant is defined in all core headers. Remove the redundant definition which might error out if other includes lead to inclusion of <variant/core.h>. Signed-off-by: Johannes Weiner <jw@emlix.com> Signed-off-by: Chris Zankel <chris@zankel.net>
* xtensa: move headers files to arch/xtensa/includeChris Zankel2008-11-061-0/+136
Move all header files for xtensa to arch/xtensa/include and platform and variant header files to the appropriate arch/xtensa/platforms/ and arch/xtensa/variants/ directories. Moving the files gets also rid of all uses of symlinks in the Makefile. This has been completed already for the majority of the architectures and xtensa is one out of six missing. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Chris Zankel <chris@zankel.net>
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