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2008-01-15Fix Blackfin HARDWARE_PM supportMathieu Desnoyers1-0/+4
This patch restores the blackfin Hardware Performance Monitor Profiling support that was killed by the combining of instrumentation menus in commit 09cadedbdc01f1a4bea1f427d4fb4642eaa19da9. Since there seems to be no good reason to behave differently from other architectures, it now automatically selects the hardware performance counters whenever the profiling is activated. mach-common/irqpanic.c: pm_overflow calls pm_overflow_handler which is in oprofile/op_model_bf533.c. I doubt that setting HARDWARE_PM as "m" will work at all, since the pm_overflow_handler should be in the core kernel image because it is called by irqpanic.c. Therefore, I change HARDWARE_PM from a tristate to a bool. The whole arch/$(ARCH)/oprofile/ is built depending on CONFIG_OPROFILE. Since part of the HARDWARE_PM support files sits in this directory, it makes sense to also depend on OPROFILE, not only PROFILING. Since OPROFILE already depends on PROFILING, it is correct to only depend on OPROFILE only. Thanks to Adrian Bunk for finding this bug and providing an initial patch. Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> CC: Adrian Bunk <adrian.bunk@movial.fi> CC: Randy Dunlap <randy.dunlap@oracle.com> CC: bryan.wu@analog.com Acked-by: Robin Getz <rgetz@blackfin.uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-21Blackfin arch: fix bug when enable uart1 with uart0 disabled => no initial consoleSonic Zhang1-1/+6
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: split apart dump_bfin_regs and merge/remove show_regs from process.c, which was largely duplicatedMike Frysinger4-54/+59
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: use common __INIT/__FINIT defines rather than setting the .section ourselves to .init.textMike Frysinger1-2/+3
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: fix bug when sending signals with the wrong PC, cause gdb get confusedRobin Getz1-6/+8
We need to send signals with the proper PC, or gdb gets confused, and lots of tests fail. This should fix that. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: Ensure we printk out strings with the proper loglevelRobin Getz2-20/+20
Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: Need to specify ax with the .init.text section,Bernd Schmidt1-1/+1
Need to specify "ax" with the .init.text section, otherwise the linker will make unique .init.text.1 .. .init.text.3 sections to cope with the flags
2007-11-21Blackfin arch: Update Kconfig to latest Blackfin silicon datasheetsRobin Getz1-5/+5
Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: update defconfig filesMike Frysinger8-218/+146
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: Fix typo, and add ENDPROC - no functional changesMike Frysinger1-1/+2
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: cplb and map header file cleanupMike Frysinger1-16/+26
- remove duplicated defines for the BF561 - generalize L2 support (so that it works for BF54x) and mark it executable - add support for reading/executing the Boot ROM sections (since it has data/functions we may need at runtime) - and fixup names for each map Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: cleanup the cplb declaresMike Frysinger1-17/+10
- no need to declare their sizes in the common header - no need to tack on the section attribute as only the definition matters, not references Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: fix building for BF542 processors which only have 1 TWIMike Frysinger1-0/+4
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: rename _return_from_exception to _bfin_return_from_exception and export itMike Frysinger2-4/+5
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: move EXPORT_SYMBOL() to C files where the symbol is actually definedMike Frysinger5-7/+40
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: fix bug NOR Flash MTD mount failSonic Zhang2-0/+35
Config EBIU flash mode properly. EBIU_MODE EBIU_FCTL EBIU_MBSCTL register should be configurd to Flash mode. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: export symbol get_dma_curr_desc_ptr for driver usageCliff Cai1-0/+1
Signed-off-by: Cliff Cai <cliff.cai@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-18Blackfin arch: cleanup kernel exception message, don't insult the customer.Robin Getz1-2/+2
Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-18Blackfin arch: fix bug kernel not to boot up with mtd filesystemsBernd Schmidt3-33/+24
Revert this patch: move the init sections to the end of memory, so that after they are free, run time memory is all continugous - this should help decrease memory fragementation. When doing this, we also pack some of the other sections a little closer together, to make sure we don't waste memory. To make this happen, we need to rename the .data.init_task section to .init_task.data, so it doesn't get picked up by the linker script glob. Since it causes the kernel not to boot up with mtd filesystems. Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-17Blackfin arch: add AXIS AX88180 Gigabit Ethernet Hardware and Driver to board filesMichael Hennerich2-0/+53
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-18Blackfin arch: print out modules that are loaded if we get a kernel oopsRobin Getz1-0/+1
Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-17Blackfin arch: Add assembly function insl_16Michael Hennerich2-0/+20
/* * CPUs often take a performance hit when accessing unaligned memory * locations. The actual performance hit varies, it can be small if the * hardware handles it or large if we have to take an exception and fix * it * in software. * * Since an ethernet header is 14 bytes network drivers often end up * with * the IP header at an unaligned offset. The IP header can be aligned by * shifting the start of the packet by 2 bytes. Drivers should do this * with: * * skb_reserve(NET_IP_ALIGN); * * The downside to this alignment of the IP header is that the DMA is * now * unaligned. On some architectures the cost of an unaligned DMA is high * and this cost outweighs the gains made by aligning the IP header. * * Since this trade off varies between architectures, we allow * NET_IP_ALIGN * to be overridden. */ This new function insl_16 allows to read form 32-bit IO and writes to 16-bit aligned memory. This is useful in above described scenario - In particular with the AXIS AX88180 Gigabit Ethernet MAC. Once the device is in 32-bit mode, reads from the RX FIFO always decrements 4bytes. While on the other side the destination address in SDRAM is always 16-bit aligned. If we use skb_reserve(0) the receive buffer is 32-bit aligned but later we hit a unaligned exception in the IP code. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-23Blackfin arch: use do_div() for the 64bit division as pointed out by BerndMike Frysinger3-378/+8
If you need a 64 bit divide in the kernel, use asm/div64.h. Revert the addition of udivdi3. Cc: Bernd Schmidt <bernd.schmidt@analog.com> Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-17Blackfin arch: fix spurious newline in headerMike Frysinger1-1/+1
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-17Blackfin arch: unexport get_wchanAdrian Bunk1-1/+0
The only user of get_wchan I was able to find is the proc fs - and proc can't be built modular. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-18Blackfin arch: remove dump_thread()Adrian Bunk2-46/+0
The only user is the a.out support. It was therefore removed prior to the blackfin merge from all architectures not supporting a.out. Currently, Blackfin doesn't suppport a.out. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-17Blackfin arch: Typo: "CONFIG_RTC_BFIN_MODULE" -> "CONFIG_RTC_DRV_BFIN_MODULE"Robert P. J. Day1-1/+1
i'm *reasonably* confident that this is a typo that should be fixed. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-15Blackfin arch: Dont use cs_change_per_word, since the AD7877 driver doesnt require it anymore; fix bus numbers, fix typosMichael Hennerich5-7/+7
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-15Blackfin arch: relocate linux/usb_isp1362.h to linux/usb/isp1362.h like in newer linux treesMike Frysinger10-10/+10
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-15Blackfin arch: the usb_sl811.h header has been moved to usb/sl811.h so lets use that version nowMike Frysinger1-1/+1
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-15Blackfin arch: do not include linux/autoconf.hMike Frysinger2-2/+0
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-15Blackfin arch: change get_bf537_ether_addr() to bfin_get_ether_addr() since this is not BF537 specific and to better match other Blackfin-specific conventionsMike Frysinger5-10/+10
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-22Blackfin arch: sharing the board-specific MAC function does not make sense so move it into board-specific filesMike Frysinger9-102/+43
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-15Blackfin arch: remove useless CONFIG_IRQCHIP_DEMUX_GPIOMike Frysinger7-52/+18
since we have this always turned on now and dont want it off (and hasnt been an option in a while) Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-15Blackfin arch: fix missing newline to fileMike Frysinger1-1/+1
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-15Blackfin arch: add BF547 to list of accepted procsMike Frysinger2-1/+8
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-15Blackfin arch: move the init sections to the end of memory to help decrease memory fragementationRobin Getz3-24/+33
move the init sections to the end of memory, so that after they are free, run time memory is all continugous - this should help decrease memory fragementation. When doing this, we also pack some of the other sections a little closer together, to make sure we don't waste memory. To make this happen, we need to rename the .data.init_task section to .init_task.data, so it doesn't get picked up by the linker script glob. Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-21Blackfin arch: split debug stuff off into Kconfig.debug like everyone elseMike Frysinger2-168/+179
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-23Blackfin arch: punt CONFIG_BFIN -- we already have CONFIG_BLACKFINMike Frysinger1-4/+0
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-15Blackfin arch: fix indentation -- use tabs, not spacesMike Frysinger1-4/+4
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-15Blackfin arch: split board selection off into mach subdirsMike Frysinger16-102/+136
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-15Blackfin arch: fix silicon rev display and selection for BF52x/BF54xMike Frysinger1-3/+3
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-15Blackfin arch: remove mention of uClinux/no-mmu ... we are just Blackfin LinuxMike Frysinger1-1/+1
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-15Blackfin arch: Default config for HV Sistemas H8606 boardJavier Herrero1-0/+1168
Signed-off-by: Javier Herrero <jherrero@hvsistemas.es> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-15Blackfin arch: fix bug cplbmgr.S does not exit properly on error conditionRobin Getz3-11/+22
https://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=1685 Ensure that cache/protection is turned back on when we get a fault, and ensure that the initial population of the CPLB tables are correct - that kernel is locked in CPLB tables Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-13Blackfin arch: fix AD7877 bus_num and add support for WM8731 SPI control interfaceMichael Hennerich1-1/+19
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-12Blackfin arch: move hard coded pin_req to board fileBryan Wu12-3/+33
Remove some sort of bloaty code, try to get these pin_req arrays built at compile-time - move this static things to the blackfin board file - add pin_req array to struct bfin5xx_spi_master - tested on BF537/BF548 with SPI flash Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-12Blackfin arch: fix bux - only reset the PC when necessary, otherwise gdb gets confusedRobin Getz1-2/+3
Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-11-12Blackfin arch: ensure we work around ANOMALY_05000261 for null pointersRobin Getz2-15/+33
We currently do not. Also make it easier to handle cplb violations - in traps.c Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
2007-10-30Blackfin arch: reclaim a few bytes from the end of our init sectionMike Frysinger1-3/+8
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
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