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* MIPS: Cleanup CP0 PRId and CP1 FPIR register access masksMaciej W. Rozycki2013-09-181-1/+2
| | | | | | | | | | Replace hardcoded CP0 PRId and CP1 FPIR register access masks throughout. The change does not touch places that use shifted or partial masks. Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5838/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Delete __cpuinit/__CPUINIT usage from MIPS codePaul Gortmaker2013-07-141-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | commit 3747069b25e419f6b51395f48127e9812abc3596 upstream. The __cpuinit type of throwaway sections might have made sense some time ago when RAM was more constrained, but now the savings do not offset the cost and complications. For example, the fix in commit 5e427ec2d0 ("x86: Fix bit corruption at CPU resume time") is a good example of the nasty type of bugs that can be created with improper use of the various __init prefixes. After a discussion on LKML[1] it was decided that cpuinit should go the way of devinit and be phased out. Once all the users are gone, we can then finally remove the macros themselves from linux/init.h. Note that some harmless section mismatch warnings may result, since notify_cpu_starting() and cpu_up() are arch independent (kernel/cpu.c) and are flagged as __cpuinit -- so if we remove the __cpuinit from the arch specific callers, we will also get section mismatch warnings. As an intermediate step, we intend to turn the linux/init.h cpuinit related content into no-ops as early as possible, since that will get rid of these warnings. In any case, they are temporary and harmless. Here, we remove all the MIPS __cpuinit from C code and __CPUINIT from asm files. MIPS is interesting in this respect, because there are also uasm users hiding behind their own renamed versions of the __cpuinit macros. [1] https://lkml.org/lkml/2013/5/20/589 [ralf@linux-mips.org: Folded in Paul's followup fix.] Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5494/ Patchwork: https://patchwork.linux-mips.org/patch/5495/ Patchwork: https://patchwork.linux-mips.org/patch/5509/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: sead3: Fix ability to perform a soft reset.Steven J. Hill2013-06-211-2/+3
| | | | | | | | | | | | | The soft reset register address and reset value to be written are incorrect for the SEAD-3 platform. This patch fixes them such that the SEAD-3 can actually perform a soft reset instead of causing an exception. Also remove usage of 'include/asm/mips-boards/generic.h' header file. Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5454/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Move 'gic_present' to common location.Steven J. Hill2013-05-091-1/+0
| | | | | | | | | Move the global variable 'gic_present' to be defined in the file 'arch/mips/kernel/irq-gic.c' instead of defining it individually for each platform making use of the GIC. Also change the type to be an unsigned integer instead of signed. Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
* MIPS: microMIPS: Add support for exception handling.Steven J. Hill2013-05-091-0/+48
| | | | | | | | | All exceptions must be taken in microMIPS mode, never in classic MIPS mode or the kernel falls apart. A few NOP instructions are used to maintain the correct alignment of microMIPS versions of the exception vectors. Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
* MIPS: FW: Remove obsolete header file for MTI platforms.Steven J. Hill2013-05-084-4/+0
| | | | | | | | | | | | | | | Remove 'arch/mips/include/asm/mips-boards/prom.h' and get rid of all inclusions of it by Malta and SEAD-3 platforms. [ralf@linux-mips.org: Fold in John Crispin <blogic@openwrt.org>'s "MIPS: ar7 powertv build"]. [ralf@linux-mips.org: Fold in John Crispin <blogic@openwrt.org>'s "MIPS: unbreak powertv build"]. [ralf@linux-mips.org: Test. Build. Your. Fscking. Code. Or...] Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
* MIPS: FW: sead3: Use new common FW library variable processing.Steven J. Hill2013-05-084-86/+51
| | | | | | Remove old YAMON prom code and use common firmware library code. Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
* MIPS: sead3: Use generic suspend/resume for LEDs.Lars-Peter Clausen2013-05-081-22/+2
| | | | | | | | | | Setting the LED_CORE_SUSPENDRESUME flag causes the LED driver core to call led_classdev_suspend/led_classdev_resume during suspend/resume. Since this is exactly what the driver's custom suspend/resume callbacks do we can replace them by setting the LED_CORE_SUSPENDRESUME flag. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
* MIPS: Add option to disable software I/O coherency.Steven J. Hill2013-05-011-3/+0
| | | | | | | | | Some MIPS controllers have hardware I/O coherency. This patch detects those and turns off software coherency. A new kernel command line option also allows the user to manually turn software coherency on or off. Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
* MIPS: Whitespace cleanup.Ralf Baechle2013-02-018-57/+57
| | | | | | | | 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: Nuke empty lines at end of files.Ralf Baechle2013-02-011-1/+0
| | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: SEAD3: Implement OF support.Steven J. Hill2013-02-015-141/+65
| | | | | | | | | | | | | | Activate USE_OF for SEAD-3 platform. Add basic DTS file and convert memory detection and reservations to use OF. [ralf@linux-mips.org: Remove unnecessary #ifdef wrapper in generic.h. Make <asm/mips-boards/generic.h> inclusion work even without prior <linux/of_fdt.h> inclusion.] Signed-off-by: Steven J. Hill <sjhill@mips.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/4809/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: drivers: remove __dev* attributes.Greg Kroah-Hartman2013-01-032-8/+6
| | | | | | | | | | | | | | CONFIG_HOTPLUG is going away as an option. As a result, the __dev* markings need to be removed. This change removes the use of __devinit, __devexit_p, __devinitdata, and __devexit from these drivers. Based on patches originally written by Bill Pemberton, but redone by me in order to handle some of the coding style issues better, by hand. Cc: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* MIPS: Add core files for MIPS SEAD-3 development platform.Steven J. Hill2012-09-1324-0/+2268
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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