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2009-12-16Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (88 commits) Blackfin: Convert BUG() to use unreachable() Blackfin: define __NR_recvmmsg Blackfin: drop duplicate sched_clock Blackfin: NOMPU: skip DMA ICPLB hole when it is redundant Blackfin: MPU: add missing __init markings Blackfin: add support for TIF_NOTIFY_RESUME Blackfin: kgdb_test: clean up code a bit Blackfin: convert kgdbtest to proc_fops Blackfin: convert cyc2ns() to clocksource_cyc2ns() Blackfin: ip0x: pull in asm/portmux.h for P_xxx defines Blackfin: drop unused ax88180 resources Blackfin: bf537-stamp: add ADF702x network driver resources Blackfin: bf537-stamp: add CAN resources Blackfin: bf537-stamp: add AD5258 i2c address Blackfin: bf537-stamp: add adau1761 i2c address Blackfin: bf537-stamp: add adau1371 i2c address Blackfin: bf537-stamp: add ADP8870 resources Blackfin: bf537-stamp: kill AD714x board-specific Kconfigs Blackfin: bf537-stamp: update ADP5520 resources Blackfin: bf537-stamp: add ADXL346 orientation sensing support ...
2009-12-15module: make MODULE_SYMBOL_PREFIX into a CONFIG optionAlan Jenkins
The next commit will require the use of MODULE_SYMBOL_PREFIX in .tmp_exports-asm.S. Currently it is mixed in with C structure definitions in "asm/module.h". Move the definition of this arch option into Kconfig, so it can be easily accessed by any code. This also lets modpost.c use the same definition. Previously modpost relied on a hardcoded list of architectures in mk_elfconfig.c. A build test for blackfin, one of the two MODULE_SYMBOL_PREFIX archs, showed the generated code was unchanged. vmlinux was identical save for build ids, and an apparently randomized suffix on a single "__key" symbol in the kallsyms data). Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Acked-by: Mike Frysinger <vapier@gentoo.org> (blackfin) CC: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2009-12-15Blackfin: support smaller uncached DMA chunks for memory constrained systemsBarry Song
When working with 8 meg systems, forcing a 1 meg DMA chunk heavily cuts into the available resources. So support smaller chunks to better cover needs for these systems. Signed-off-by: Barry Song <barry.song@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-12-15Blackfin: push BF5Xx configs down into mach-specific KconfigsMike Frysinger
While we're moving the BF54x code, have the BF54xM variants select the normal BF54x values so that the rest of the Kconfig tree doesn't need to check the BF54xM variant everytime it wants to check the BF54x. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-12-15Blackfin: pull in firmware KconfigMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-12-15Blackfin: convert to generic checksum codeMike Frysinger
The Blackfin port only implemented an optimized version of the csum_tcpudp_nofold function, so convert everything else to the new generic code. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-10-08Blackfin: convert to GENERIC_HARDIRQS_NO__DO_IRQMichael Hennerich
Blackfin already sets proper flow handlers on all IRQs, and we don't rely on __do_IRQ, therefore we can simply select GENERIC_HARDIRQS_NO__DO_IRQ. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-10-07Blackfin: convert to use arch_gettimeoffset()john stultz
Convert Blackfin to use GENERIC_TIME via the arch_getoffset() infrastructure, reducing the amount of arch specific code we need to maintain. I've taken my best swing at converting this, but I'm not 100% confident I got it right. My cross-compiler is now out of date (gcc4.2) so I wasn't able to check if it compiled. Any assistance from arch maintainers or testers to get this merged would be great. Signed-off-by: John Stultz <johnstul@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-09-16Blackfin: swap clocksource ratings for gptimer/cyclesGraf Yang
The cycles clocksource is a higher resolution than the gptimer one, so make sure the ratings field reflects this. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-09-16Blackfin: cm-bf537u: split board from cm-bf537eHarald Krapfenbauer
The cm-bf537u module, while similar to the cm-bf537e, is different enough to warrant its own resources. It has a USB controller but no PHY. Signed-off-by: Harald Krapfenbauer <Harald.Krapfenbauer@bluetechnix.at> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-09-16Blackfin: punt dead cache locking codeMike Frysinger
No one uses these functions, and some are duplicate of existing C code. So just punt the whole thing. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-09-16Blackfin: fix BF522/BF523 max VCO mixupMike Frysinger
The BF522 and BF523 had their real max VCO values swapped. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-09-16Blackfin: SMP port does not yet support cpu frequency scalingGraf Yang
We have an item to get this fixed, but in the mean time, disable selection via Kconfig dependencies. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-09-16Blackfin: unify duplicated SMP checks in L2 cache kconfigSonic Zhang
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-22Blackfin: fix GPTMR0_CLOCKSOURCE dependency on BFIN_GPTIMERSMike Frysinger
The GPTMR0_CLOCKSOURCE Kconfig option requires the gptimers framework, so make sure it is selected when this option is enabled. Reported-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-22Blackfin: bf526-ezbrd: handle different SDRAM chipsGraf Yang
The BF526-EZBRD changed SDRAM chips between board revisions, so create a timing table that can accommodate both. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-22Blackfin: decouple unrelated cache settings to get exact behaviorJie Zhang
The current cache options don't really represent the hardware features. They end up setting different aspects of the hardware so that the end result is to turn on/off the cache. Unfortunately, when we hit cache problems with the hardware, it's difficult to test different settings to root cause the problem. The current settings also don't cleanly allow for different caching behaviors with different regions of memory. So split the configure options such that they properly reflect the settings that are applied to the hardware. Signed-off-by: Jie Zhang <jie.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-22Blackfin: allow CONFIG_TICKSOURCE_GPTMR0 with interrupt pipelinePhilippe Gerum
Signed-off-by: Philippe Gerum <rpm@xenomai.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-22Blackfin: allow people to select BF51x-0.1 silicon revMike Frysinger
Now that 0.1 of the BF51x is coming out, allow people to build for it. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-16Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (27 commits) Blackfin: hook up new rt_tgsigqueueinfo syscall Blackfin: improve CLKIN_HZ config default Blackfin: initial support for ftrace grapher Blackfin: initial support for ftrace Blackfin: enable support for LOCKDEP Blackfin: add preliminary support for STACKTRACE Blackfin: move custom sections into sections.h Blackfin: punt unused/wrong mutex-dec.h Blackfin: add support for irqflags Blackfin: add support for bzip2/lzma compressed kernel images Blackfin: convert Kconfig style to def_bool Blackfin: bf548-ezkit: update smsc911x resources Blackfin: update aedos-ipipe code to upstream 1.10-00 Blackfin: bf537-stamp: update ADP5520 resources Blackfin: bf518f-ezbrd: fix SPI CS for SPI flash Blackfin: define SPI IRQ in board resources Blackfin: do not configure the UART early if on wrong processor Blackfin: fix deadlock in SMP IPI handler Blackfin: fix flag storage for irq funcs Blackfin: push down exception oops checking ...
2009-06-14Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (31 commits) trivial: remove the trivial patch monkey's name from SubmittingPatches trivial: Fix a typo in comment of addrconf_dad_start() trivial: usb: fix missing space typo in doc trivial: pci hotplug: adding __init/__exit macros to sgi_hotplug trivial: Remove the hyphen from git commands trivial: fix ETIMEOUT -> ETIMEDOUT typos trivial: Kconfig: .ko is normally not included in module names trivial: SubmittingPatches: fix typo trivial: Documentation/dell_rbu.txt: fix typos trivial: Fix Pavel's address in MAINTAINERS trivial: ftrace:fix description of trace directory trivial: unnecessary (void*) cast removal in sound/oss/msnd.c trivial: input/misc: Fix typo in Kconfig trivial: fix grammo in bus_for_each_dev() kerneldoc trivial: rbtree.txt: fix rb_entry() parameters in sample code trivial: spelling fix in ppc code comments trivial: fix typo in bio_alloc kernel doc trivial: Documentation/rbtree.txt: cleanup kerneldoc of rbtree.txt trivial: Miscellaneous documentation typo fixes trivial: fix typo milisecond/millisecond for documentation and source comments. ...
2009-06-13Blackfin: improve CLKIN_HZ config defaultMike Frysinger
Most boards use 25000000 as the default HZ, so rather than add a whole bunch more boards, make it the default for everyone. This also fixes randconfig builds as there was no default before. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-13Blackfin: initial support for ftrace grapherMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-13Blackfin: initial support for ftraceMike Frysinger
Just the basic ftrace support here -- mcount and the ftrace stub. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-13Blackfin: enable support for LOCKDEPMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-13Blackfin: add preliminary support for STACKTRACEMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-13Blackfin: add support for irqflagsMike Frysinger
This converts the irq handling in the Blackfin arch from the old irq.h / system.h method to the new irqflags.h. A stepping stone on the way to other tracing functionality. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-13Blackfin: add support for bzip2/lzma compressed kernel imagesMike Frysinger
Since U-Boot can support these compression types, add appropriate targets to the Blackfin boot files. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-13Blackfin: convert Kconfig style to def_boolMike Frysinger
Makes the file easier to read when there isn't so much clutter. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-13Blackfin: add support for GENERIC_BUGMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-12trivial: Kconfig: .ko is normally not included in module namesPavel Machek
.ko is normally not included in Kconfig help, make it consistent. Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-06-12Blackfin: convert SMP to only use generic time frameworkGraf Yang
Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-12Blackfin: work around anomaly 05000220Graf Yang
When possible, work around anomaly 05000220 (external memory is write back cached, but L2 is not cached). If not possible, detect the conditions at build time and reject any qualifying configurations. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-12Blackfin: add support for gptimer0 as a tick sourceGraf Yang
For systems where the core cycles are not a usable tick source (like SMP or cycles gets updated), enable gptimer0 as an alternative. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-06-12Blackfin: set bf51x/bf52x to 0.0 rev by default and bf54x to 0.2Mike Frysinger
Update the default revs based on what we actually support (bf54x-0.[01] is too broken to use). Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-06-12Blackfin: fix link failure due to CONFIG_EXCEPTION_L1_SCRATCHGraf Yang
Move exception stack mess from entry.S to init.c to fix link failure when CONFIG_EXCEPTION_L1_SCRATCH is in use. Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-06-12Blackfin: add some help text to the EBIU_AMBCTL settingsMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-03-30trivial: fix typos/grammar errors in Kconfig textsMatt LaPlante
Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-03-04Blackfin arch: Fix BUG - kernel fails to build in pm.c when allow wakeup ↵Michael Hennerich
fromi standby by GPIO This feature is not available on BF54x. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-03-05Blackfin arch: PM_BFIN_WAKE_GP: update helpMichael Hennerich
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-02-04Blackfin arch: add support for mobile ddr bf54x partsMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: enable reprogram cclk and sclk for bf518f-ezbrdSonic Zhang
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: remove hardware PM code, oprofile not use itGraf Yang
Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: Faster C implementation of no-MPU CPLB handlerBernd Schmidt
This is a mixture ofcMichael McTernan's patch and the existing cplb-mpu code. We ditch the old cplb-nompu implementation, which is a good example of why a good algorithm in a HLL is preferrable to a bad algorithm written in assembly. Rather than try to construct a table of all posible CPLBs and search it, we just create a (smaller) table of memory regions and their attributes. Some of the data structures are now unified for both the mpu and nompu cases. A lot of needless complexity in cplbinit.c is removed. Further optimizations: * compile cplbmgr.c with a lot of -ffixed-reg options, and omit saving these registers on the stack when entering a CPLB exception. * lose cli/nop/nop/sti sequences for some workarounds - these don't * make sense in an exception context Additional code unification should be possible after this. [Mike Frysinger <vapier.adi@gmail.com>: - convert CPP if statements to C if statements - remove redundant statements - use a do...while loop rather than a for loop to get slightly better optimization and to avoid gcc "may be used uninitialized" warnings ... we know that the [id]cplb_nr_bounds variables will never be 0, so this is OK - the no-mpu code was the last user of MAX_MEM_SIZE and with that rewritten, we can punt it - add some BUG_ON() checks to make sure we dont overflow the small cplb_bounds array - add i/d cplb entries for the bootrom because there is functions/data in there we want to access - we do not need a NULL trailing entry as any time we access the bounds arrays, we use the nr_bounds variable ] Signed-off-by: Michael McTernan <mmcternan@airvana.com> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bernd Schmidt <bernds_cb1@t-online.de> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: fix bug - kernel build fails with undefined reference to ↵Michael Hennerich
pm_overflow_handler Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: get oprofile work for user spaceGraf Yang
Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: fix bugs and unify BFIN_KERNEL_CLOCK optionMichael Hennerich
- remove duplicated code and headers - add option allowing arbitrary SDRAM/DDR Timing parameters. - mark automatically calculated timings as EXPERIMENTAL - fix comment header block Related to BUGs: - kernel boot up fails with CONFIG_BFIN_KERNEL_CLOCK item on. - kernel does not boot if re-program clocks [ Mike Frysinger <vapier.adi@gmail.com> - fix comment header - mark do_sync static - document the DMA shutdown - simplify SIC_IWR handling - fix ANOMALY_05000265 handling to work as intended ] Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2009-01-07Blackfin arch: do not allow L2 to be cached on BF561 SMPMike Frysinger
Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-11-18Blackfin arch: make ROM_BASE depend on ROMKERNELMike Frysinger
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
2008-11-18Blackfin arch: remove BFIN_DMA_5XX optionMike Frysinger
Do not make BFIN_DMA_5XX optional since a large portion of our code relies on dma functions existing Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
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