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* MIPS: generic: Convert SEAD-3 to a generic boardPaul Burton2016-10-061-72/+0
| | | | | | | | | | | | | | | | | | | | | Convert the MIPS SEAD-3 board support to be a generic board, supported by generic kernels. Because the SEAD-3 boot protocol was defined long ago and we don't want to force a switch to the UHI protocol, SEAD-3 is added as a legacy board which is detected by reading the REVISION register. This may technically not be a valid memory read & future work will include attempting to handle that gracefully. In practice since SEAD-3 is the only legacy board supported by the generic kernel so far the read will only happen on SEAD-3 boards, and even once Malta is converted the same REVISION register exists there too. Other boards such as Boston, Ci20 & Ci40 will use the UHI boot protocol & thus not run any of the legacy board detect functions. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14354/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: microMIPS: Disable LL/SC and fix linker bug.Steven J. Hill2013-05-091-0/+4
| | | | | | | | | | | | | Partially revert commit e0c14a260d66ba35935600d6435940a566fe806b and turn off LL/SC when building a pure microMIPS kernel. This is a temporary fix until the cmpxchg assembly macro functions are re-written to not use the HI/LO registers in address calculations. Also add .insn in selected user access functions which would otherwise produce ISA mode jump incompatibilities. This is also a temporary fix. Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
* MIPS: SEAD3: Enable LL/SC.Ralf Baechle2013-03-121-1/+1
| | | | | | | All synthesizable CPU cores that could be loaded into a SEAD3's FPGA are MIPS32 or MIPS64 CPUs that have ll/sc. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Get rid of CONFIG_CPU_HAS_LLSC againPaul Bolle2013-03-121-4/+0
| | | | | | | | | | | | | Commit f7ade3c168e4f437c11f57be012992bbb0e3075c ("MIPS: Get rid of CONFIG_CPU_HAS_LLSC") did what it promised to do. But since then that macro and its Kconfig symbol popped up again. Get rid of those again. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Cc: Jonas Gorski <jogo@openwrt.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/4978/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Whitespace cleanup.Ralf Baechle2013-02-011-4/+4
| | | | | | | | Having received another series of whitespace patches I decided to do this once and for all rather than dealing with this kind of patches trickling in forever. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Add core files for MIPS SEAD-3 development platform.Steven J. Hill2012-09-131-0/+72
More information about the SEAD-3 platform can be found at <http://www.mips.com/products/development-kits/mips-sead-3/> on MTI's site. Currently, the M14K family of cores is what the SEAD-3 is utilised with. Signed-off-by: Douglas Leung <douglas@mips.com> Signed-off-by: Chris Dearman <chris@mips.com> Signed-off-by: Steven J. Hill <sjhill@mips.com>
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