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* sh: Kill off sh64's hand-rolled syscall tracer.Paul Mundt2009-05-08
| | | | | | | This is no longer necessary, as there are now sufficient generic alternatives available. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off the global rtc_lock with extreme prejudice.Paul Mundt2009-05-08
| | | | | | | | | | Now that all of the possible users for rtc_lock have gone away, it is no longer necessary to keep this lock definition around. This follows several other architectures that have either recently dropped it or never supported it in the first place. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: mach-sh03: Give the sh03 rtc its own spinlock.Paul Mundt2009-05-08
| | | | | | | | This converts the sh03 rtc code off of using the global rtc_lock and on to its own spinlock. There are no other possible users of the rtc_lock, so serializing with it is not necessary. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off dead timer sysclass pm hooks.Paul Mundt2009-05-08
| | | | | | | With the conversion to generic clockevents these are completely unused, so just kill it off. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off dead handle_timer_tick() code.Paul Mundt2009-05-08
| | | | | | | Nothing is using this anymore now that we have fully converted to generic time, so kill it off completely. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Wire up GENERIC_CMOS_UPDATE for the platforms that need it.Paul Mundt2009-05-08
| | | | | | | | | | Now that everything has converted over to generic timekeeping, we need an alternate method for keeping the RTC updated for those platforms that are still using the rtc_sh_get/set_time pairs, presently limited to SH-03 and the Dreamcast. This wires up the GENERIC_CMOS_UPDATE hooks for those to maintain the same behaviour. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Rename arch/sh/kernel/time_32.c to arch/sh/kernel/time.c.Paul Mundt2009-05-08
| | | | | | | This is now fully generic, and used both by _32 and _64 variants. Rename it accordingly. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Finish the sh64 migration off of ARCH_USES_GETTIMEOFFSET.Paul Mundt2009-05-08
| | | | | | | | This adds sh_tmu support to the SH-5 subtypes, which subsequently allows us to kill off time_64.c and use the now generic time_32.c. As a bonus, SH-5 now supports highres timers and tickless for the first time. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Move out rtc-sh registration from time_64.c to setup-sh5.cPaul Mundt2009-05-08
| | | | | | | Now that the onchip_remap() mess is sorted out, the rtc-sh support code for SH-5 can follow the same approach as the other CPUs. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Enable new TMU driver support for all SH-3 and SH-4 CPUs.Paul Mundt2009-05-08
| | | | | | | The TMU block is supported on all SH-3 and SH-4 subtypes, so just select it there, rather than conditionalizing it per subtype. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: TMU platform data for sh7785Magnus Damm2009-05-07
| | | | | | | | This patch adds TMU platform data for sh7785. Both clockevent and clocksource support is enabled. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: r7785 highlander clock fixesMagnus Damm2009-05-07
| | | | | | | | Update the r7785 highlander defconfig to fix PCLK value and that mode4 is set high. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: call clock framework init() callback onceMagnus Damm2009-05-07
| | | | | | | | | Make sure that clk->ops->init() only gets called once in the case of CLK_ALWAYS_ENABLED. Without this patch the init() callback may be called multiple times. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: sh7785 early scif fixMagnus Damm2009-05-07
| | | | | | | | | This patch moves the SH4 case of EARLY_SCIF_CONSOLE_PORT so the SH7785 default value gets used. Without this patch the value for SH7785 is set to 0xffe80000. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off unused SH-5 irq_describe cruft.Paul Mundt2009-05-07
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Integrate the SH-5 onchip_remap() more coherently.Paul Mundt2009-05-07
| | | | | | | | | | | Presently this is special-cased for early initialization. While there are situations where these static early initializations are still necessary, with minor changes it is possible to use this for the regular ioremap implementation as well. This allows us to kill off the special-casing for the remap completely and to start tidying up all of the SH-5 special-casing in drivers. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: sh64 still needs ARCH_USES_GETTIMEOFFSET temporarily.Paul Mundt2009-05-07
| | | | | | | sh64 is still using this, so re-enable it temporarily while SH-5 gets converted to use the generic code. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Handle shm_align_mask also for HAVE_ARCH_UNMAPPED_AREA_TOPDOWN.Paul Mundt2009-05-07
| | | | | | | Presently shm_align_mask is only looked at for the bottom up case, but we still want this for proper colouring constraints in the topdown case. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Flag IRQSTACKS as BROKEN for now.Paul Mundt2009-05-07
| | | | | | | There still seems to be some stack corruption to sort out here, so flag this as BROKEN until this issue is sorted out. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Move dummy clockevents broadcast timer to its new home.Paul Mundt2009-05-03
| | | | | | | | The old arch/sh/kernel/timers/ directly will be going away completely once the rest of the TMU users are migrated, so move the dummy broadcast driver up a level in preparation. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off the now unused ARCH_USES_GETTIMEOFFSET code.Paul Mundt2009-05-03
| | | | | | | | | Now that the stragglers (MTU2/CMT/etc.) have been rewritten and we are selecting both GENERIC_TIME and GENERIC_CLOCKEVENTS, the get_offset() timer op is completely unused. As a result, we are now able to kill off the ARCH_USES_GETTIMEOFFSET references. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: select both GENERIC_TIME and GENERIC_CLOCKEVENTS.Paul Mundt2009-05-03
| | | | | | | Now that the rest of the timers that didn't support clockevents have been rewritten, both of these can be enabled by default. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Consolidate MTU2/CMT/TMU timer platform data.Paul Mundt2009-05-03
| | | | | | | | | All of the SH timers use a roughly identical structure for platform data, which presently is broken out for each block. Consolidate all of these definitions, as there is no reason for them to be broken out in the first place. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: TMU platform data for sh7722Magnus Damm2009-05-03
| | | | | | | | | This patch adds TMU platform data for sh7722. Only clockevent mode is enabled for now, clocksource requires this patch: "clocksource: setup mult_orig in clocksource_enable()" Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* clocksource: SuperH TMU Timer driverMagnus Damm2009-05-03
| | | | | | | | | | | | | | This patch adds a TMU driver for the SuperH architecture. The TMU driver is a platform driver with early platform support to allow using a TMU channel as clockevent or clocksource during system bootup or later. Clocksource or clockevent can be selected. Both periodic and oneshot clockevents are supported. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: remove old MTU2 driverMagnus Damm2009-05-03
| | | | | | | | | | | | | | | | | This patch removes the old MTU2 driver (CONFIG_SH_MTU2/timer-mtu2.c) As replacement, select the sh_cmt driver with CONFIG_SH_TIMER_MTU2 and configure timer channel using platform data. If multiple MTU channels are enabled using platform data, use the earlytimer parameter on the kernel command line to select channel. For instance, use "earlytimer=sh_mtu2.0" to select the first channel. To verify which timer is being used, look at printouts or the timer irq count in /proc/interrupts. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: sh2a MTU2 platform dataMagnus Damm2009-05-03
| | | | | | | | | | | This patch adds MTU2 platform data for the following cpus: - sh7201 (3/5 channels) - sh7203/sh7263 (2/4 channels) - sh7206 (3/5 channels) - MXG (3/5 channels) Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* clocksource: SuperH MTU2 Timer driverMagnus Damm2009-05-03
| | | | | | | | | | | | | | | This patch adds a MTU2 driver for the SuperH architecture. The MTU2 driver is a platform driver with early platform support to allow using a MTU2 channel as only clockevent during system bootup. Clocksource on sh2a is currently unsupported due to code generation issues with 64-bit math, so at this point only periodic clockevent support is in place. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* time: sh: convert to use arch_getoffset() infrastructurejohn stultz2009-05-03
| | | | | | | | Convert sh to use GENERIC_TIME via the arch_getoffset() infrastructure. Signed-off-by: John Stultz <johnstul@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: remove obsolete hw_interrupt_typeThomas Gleixner2009-05-03
| | | | | | | | | | Impact: cleanup Convert the last remaining users to struct irq_chip and remove the define. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: remove obsolete no_irq_typeThomas Gleixner2009-05-03
| | | | | | | | | Impact: cleanup convert the last remaining users to no_irq_chip Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* Merge branch 'timers/clocksource' of ↵Paul Mundt2009-05-03
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip
| * m68k: arch/m68k/kernel/sun3-head.S needs <linux/init.h>Geert Uytterhoeven2009-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix this: arch/m68k/kernel/sun3-head.S: Assembler messages: arch/m68k/kernel/sun3-head.S:32: Error: Unknown operator -- statement `__head' ignored Introduced by commit 6f335cab0431d5df4995bcd4fd952d4c746d5a86 ("m68k: convert to use __HEAD and HEAD_TEXT macros."), which started using __HEAD without adding the appropriate include. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * Merge branch 'merge' of ↵Linus Torvalds2009-04-28
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: powerpc/ps3: Fix build error on UP powerpc/cell: Select PCI for IBM_CELL_BLADE AND CELLEB powerpc: ppc32 needs elf_read_implies_exec() powerpc/86xx: Add device_type entry to soc for ppc9a powerpc/44x: Correct memory size calculation for denali-based boards maintainers: Fix PowerPC 4xx git tree powerpc: fix for long standing bug noticed by gcc 4.4.0 Revert "powerpc: Add support for early tlbilx opcode"
| | * powerpc/ps3: Fix build error on UPGeoff Levand2009-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A non-SMP version of smp_send_stop() is now included in smp.h. Remove the unneeded definition in the PS3 smp.c. Fixes build errors like these when CONFIG_SMP=n: arch/powerpc/platforms/ps3/setup.c:49: error: redefinition of 'smp_send_stop' include/linux/smp.h:125: error: previous definition of 'smp_send_stop' was here Reported-by: Subrata Modak <subrata@linux.vnet.ibm.com> Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
| | * powerpc/cell: Select PCI for IBM_CELL_BLADE AND CELLEBMichael Ellerman2009-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently PPC_CELL_NATIVE selects PPC_OF_PLATFORM_PCI, but does not select PCI. This can lead to a config with the former and the latter disabled, which does not build. To fix this PPC_CELL_NATIVE should select PCI. However, that would force PCI on for QPACE, which also selects PPC_CELL_NATIVE. So instead move the select of PPC_OF_PLATFORM_PCI and PCI under both IBM_CELL_BLADE and CELLEB. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
| | * powerpc: ppc32 needs elf_read_implies_exec()Kumar Gala2009-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On ppc64 we implemented elf_read_implies_exec() for 32-bit binaries because old toolchains had bugs where they didn't mark program segments executable that needed to be. For some reason we didn't do this on ppc32 builds. This hadn't been an issue until commit 8d30c14c ("powerpc/mm: Rework I$/D$ coherency (v3)"), which had as a side effect that we are now enforcing execute permissions to some extent on 32-bit 4xx and Book E processors. This fixes it by defining elf_read_implies_exec on 32-bit to turn on the read-implies-exec behaviour on programs that are sufficiently old that they don't have a PT_GNU_STACK program header. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
| | * Merge branch 'merge' of ↵Paul Mackerras2009-04-27
| | |\ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx into merge
| | | * powerpc/44x: Correct memory size calculation for denali-based boardsValentine Barshak2009-04-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some U-Boot versions incorrectly set the number of chipselects to two for Sequoia/Rainier boards while they only have one chipselect hardwired. This patch adds a workaround for this, hardcoding the number of chipselects to one for sequioa/rainer board models and reading the actual value from the memory controller register DDR0_10 otherwise. It also fixes another error in the way ibm4xx_denali_fixup_memsize calculates memory size. When testing the DDR_REDUC bit, the polarity is backwards. A "1" implies 32-bit wide memory while a "0" implies 64-bit wide memory. Signed-off-by: Mikhail Zolotaryov <lebon@lebon.org.ua> Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com> Signed-off-by: Steven A. Falco <sfalco@harris.com> Acked-by: Stefan Roese <sr@denx.de> Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
| | * | powerpc/86xx: Add device_type entry to soc for ppc9aMartyn Welch2009-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The 'device_type = "soc";' line *is* needed in the DTS for get_immrbase() to return the correct address. Signed-off-by: Martyn Welch <martyn.welch@gefanuc.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| | * | powerpc: fix for long standing bug noticed by gcc 4.4.0Stephen Rothwell2009-04-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previous gcc versions didn't notice this because one of the preceding #ifs always evaluated to true. gcc 4.4.0 produced this error: arch/powerpc/mm/tlb_nohash_low.S:206:6: error: #elif with no expression Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| | * | Revert "powerpc: Add support for early tlbilx opcode"Kumar Gala2009-04-23
| | |/ | | | | | | | | | | | | | | | | | | This reverts commit e9965577406a2148ade97b5e0ce7c448b4ba4ef6. Our HW guys were able to fix this so it never sees the light of day. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| * | powerpc: Revert switch to TEXT_TEXT in linker scriptTim Abbott2009-04-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit edada399 broke the build on 64-bit powerpc because it moved the __ftr_alt_* sections of a file away from the .text section, causing link failures due to relative conditional branch targets being too far away from the branch instructions. This happens on pretty much all 64-bit powerpc configs. This change reverts commit edada399 while preserving the update from the *.refok sections to .ref.text that has happened since. Signed-off-by: Tim Abbott <tabbott@mit.edu> Requested-by: Paul Mackerras <paulus@samba.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | sparc: cleanup references to deprecated .text.init* sections.Tim Abbott2009-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The section .text.init.refok is deprecated and __REF (.ref.text) should be used in assembly files instead. This patch cleans up a few uses of .text.init.refok in the sparc architecture. Also fix a reference to .text.init in a comment that wasn't updated to .init.text. Signed-off-by: Tim Abbott <tabbott@mit.edu> Cc: David S. Miller <davem@davemloft.net> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | sh: Use __INIT macro instead of .text.init.Tim Abbott2009-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The sh architecture has some code in the .text.init section, but it does not reference that section in its linker scripts. This change moves this code from the .text.init section to the .init.text section, which is presumably where it belongs. Signed-off-by: Tim Abbott <tabbott@mit.edu> Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | powerpc: Use __REF macro instead of old .text.init.refok.Tim Abbott2009-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The section .text.init.refok is deprecated and __REF (.ref.text) should be used in assembly files instead. This patch cleans up a few uses of .text.init.refok in the powerpc architecture. Signed-off-by: Tim Abbott <tabbott@mit.edu> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | powerpc: Use TEXT_TEXT macro in linker script.Tim Abbott2009-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rather than adding .ref.text to the powerpc linker script so that we can use __REF on the powerpc architecture, it seems simpler to switch to using the generic TEXT_TEXT macro. Signed-off-by: Tim Abbott <tabbott@mit.edu> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | arm: Use __INIT macro instead of .text.init.Tim Abbott2009-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | arm is placing some code in the .text.init section, but it does not reference that section in its linker scripts. This change moves this code from the .text.init section to the .init.text section, which is presumably where it belongs. Signed-off-by: Tim Abbott <tabbott@mit.edu> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | FRV: Use __INIT macro instead of .text.init.Tim Abbott2009-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | FRV is placing some code in the .text.init section but does not reference that section in its linker scripts. This change moves this code from the .text.init section to the .init.text section, which is presumably where it belongs. Signed-off-by: Tim Abbott <tabbott@mit.edu> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * | FRV: Remove unused header asm/init.h.Tim Abbott2009-04-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It seems nothing has included the frv asm/init.h header for some time, and its actual contents are out of date with include/linux/init.h. So just delete it. Signed-off-by: Tim Abbott <tabbott@mit.edu> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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