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* sh: Kill off obsolete busses from arch/sh/Kconfig.Paul Mundt2009-01-211-52/+11
| | | | | | | | | | | | ISA can go away now that the hd6446x PCMCIA drivers no longer exist in-tree. The rationale for enabling CONFIG_ISA in the first place is likewise no longer valid given that the subsystem has changed since the time that assertion was valid. While we are at it, kill off SBUS, MCA, EISA, and so on. These are not supported and never will be. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: dma: Kill off ISA DMA wrapper.Paul Mundt2008-12-221-3/+0
| | | | | | | There are no more users for this code, and it has been deprecated for some time, so just kill it off. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* doc: Update sh cpufreq documentation.Paul Mundt2008-12-221-2/+6
| | | | | | | The sh cpufreq driver is no longer limited to just the SH-3 and SH-4, update the documentation to reflect this fact accordingly. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Kill off cf-enabler with extreme prejudice.Paul Mundt2008-12-221-43/+0
| | | | | | | | | | | | | | | Now that the rest of the boards that were using cf-enabler "generically" have switched to setting up their mappings on their own, only the mach-se boards were left using it. All of the cf-enabler using mach-se boards use a special initialization of the MRSHPC windows rather than going through the special PTE as other SH-4 platforms do. This consolidates the MRSHPC setup logic, hooks it up on the boards that care, and gets rid of any and all remaining references to cf-enabler. This has been long overdue, as cf-enabler has been the bane of arch/sh/kernel for the last 7 years. Good riddance. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: mach-sh03: Move off of cf_enabler to pata_platform, as per landisk.Paul Mundt2008-12-221-1/+1
| | | | | | | | This gets rid of the cf enabler use on mach-sh03 and switches to use pata_platform with the proper address directly. cf_enabler is subsequently disabled for mach-sh03. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Enable GENERIC_HARDIRQS_NO__DO_IRQ for all SuperH machinesMatt Fleming2008-12-221-2/+0
| | | | | | | | | After the recent changes to switch SuperH board support over to irq_chip it is now possible to set GENERIC_HARDIRQS_NO__DO_IRQ for all SuperH boards. Signed-off-by: Matt Fleming <mjf@gentoo.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Generic kgdb stub support.Paul Mundt2008-12-221-0/+1
| | | | | | | | This migrates from the old bitrotted kgdb stub implementation and moves to the generic stub. In the process support for SH-2/SH-2A is also added, which the old stub never provided. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Enable HAVE_ARCH_TRACEHOOK for all SH, now that SH-5 supports it too.Paul Mundt2008-12-221-1/+1
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: allow CONFIG_CPU_IDLEMagnus Damm2008-12-221-1/+3
| | | | | | | Allow users to select CONFIG_CPU_IDLE regardless of processor type or board. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: allow CONFIG_PMMagnus Damm2008-12-221-6/+9
| | | | | | | | Allow users to select CONFIG_PM regardless of processor type or board. Suspend and hibernation are only allowed on supported platforms. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Add support for SH7201 CPU subtype.Peter Griffin2008-12-221-0/+5
| | | | | | | This patch adds support for the SH-2A FPU based SH7201 processor subtype. Signed-off-by: Peter Griffin <pgriffin@mpc-data.co.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: dynamic ftrace support.Matt Fleming2008-12-221-0/+2
| | | | | | | First cut at dynamic ftrace support. Signed-off-by: Matt Fleming <mjf@gentoo.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: Disable GENERIC_HARDIRQS_NO__DO_IRQ for unconverted platforms.Paul Mundt2008-12-161-0/+2
| | | | | | | Presently limited to Cayman, Dreamcast, Microdev, and SystemH 7751. Re-enable it for everyone once these have been fixed up. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: FTRACE renamed to FUNCTION_TRACER.Paul Mundt2008-10-311-1/+1
| | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds2008-10-201-2/+17
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (112 commits) sh: Move SH-4 CPU headers down one more level. sh: Only build in gpio.o when CONFIG_GENERIC_GPIO is selected. sh: Migrate common board headers to mach-common/. sh: Move the CPU definition headers from asm/ to cpu/. serial: sh-sci: Add support SCIF of SH7723 video: add sh_mobile_lcdc platform flags video: remove unused sh_mobile_lcdc platform data sh: remove consistent alloc cruft sh: add dynamic crash base address support sh: reduce Migo-R smc91x overruns sh: Fix up some merge damage. Fix debugfs_create_file's error checking method for arch/sh/mm/ Fix debugfs_create_dir's error checking method for arch/sh/kernel/ sh: ap325rxa: Add support RTC RX-8564LC in AP325RXA board sh: Use sh7720 GPIO on magicpanelr2 board sh: Add sh7720 pinmux code sh: Use sh7203 GPIO on rsk7203 board sh: Add sh7203 pinmux code sh: Use sh7723 GPIO on AP325RXA board sh: Add sh7723 pinmux code ...
| * sh: GPIO and pinmux base codeMagnus Damm2008-10-201-0/+3
| | | | | | | | | | | | | | | | This patch adds gpio code together with the pinmux table parser. In the future we should optimize this and switch back to gpiolib. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Use clk fwk for preset lpj on sh64, too.Paul Mundt2008-09-291-1/+0
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Add FPU registers to regset interface.Paul Mundt2008-09-211-1/+1
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: ftrace support.Paul Mundt2008-09-211-0/+1
| | | | | | | | | | | | | | This adds support for ftrace to SH. This only includes CONFIG_FTRACE, and does not handle dynamic ftrace presently. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: HAVE_IOREMAP_PROT depends on MMU.Paul Mundt2008-09-171-1/+1
| | | | | | | | | | | | | | | | | | HAVE_IOREMAP_PROT enables an unconditional reference to generic_access_phys(), which remains undefined in the nommu case. As there's no point in supporting this there anyways, simply fix up the dependency. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: latencytop support.Paul Mundt2008-09-131-0/+4
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Add DSP registers to regset interface.Paul Mundt2008-09-121-1/+1
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Enable HAVE_ARCH_TRACEHOOK.Paul Mundt2008-09-121-0/+1
| | | | | | | | | | | | | | Now that the rest of the support requirements are out of the way, finally enable support for tracehook. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: ioremap_prot support.Paul Mundt2008-09-121-0/+1
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Derive calibrate_delay lpj from clk fwk.Paul Mundt2008-09-081-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | All CPUs must have a sensible cpu_clk definition these days, which we can safely use for deriving the preset loops_per_jiffy. The only odd one out is SH-5, which hasn't been hammered in to the framework yet. Based on the ST patch. Signed-off-by: Francesco Virlinzi <francesco.virlinzi@st.com> Signed-off-by: Carl Shaw <carl.shaw@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Disable seccomp support by default.Paul Mundt2008-09-081-1/+0
| | | | | | | | | | | | | | This was initially checked in with a stupid default of y, while most everyone is going to want to have this disabled anyways. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Add kprobes support.Chris Smith2008-09-081-0/+2
| | | | | | | | | | | | | | | | | | Initial support for kprobes/kretprobes for 32-bit SH platforms. [ General cleanup and some rework for the kretprobe hash lock. -- PFM ] Signed-off-by: Chris Smith <chris.smith@st.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Don't enable clockevents broadcasting on UP SH-X3 builds.Paul Mundt2008-09-081-1/+1
| | | | | | | | | | | | | | Fixes up compile errors with missing timer definitions. It's pointless to have this enabled anyways if CONFIG_SMP=n. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: generic clockevent broadcast support.Paul Mundt2008-09-081-0/+4
| | | | | | | | | | | | | | | | This hooks up GENERIC_CLOCKEVENTS_BROADCAST and a dummy local timer, which we call in to from the timer IPI when no other local timer is provided. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* | container freezer: implement freezer cgroup subsystemMatt Helsley2008-10-201-0/+2
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch implements a new freezer subsystem in the control groups framework. It provides a way to stop and resume execution of all tasks in a cgroup by writing in the cgroup filesystem. The freezer subsystem in the container filesystem defines a file named freezer.state. Writing "FROZEN" to the state file will freeze all tasks in the cgroup. Subsequently writing "RUNNING" will unfreeze the tasks in the cgroup. Reading will return the current state. * Examples of usage : # mkdir /containers/freezer # mount -t cgroup -ofreezer freezer /containers # mkdir /containers/0 # echo $some_pid > /containers/0/tasks to get status of the freezer subsystem : # cat /containers/0/freezer.state RUNNING to freeze all tasks in the container : # echo FROZEN > /containers/0/freezer.state # cat /containers/0/freezer.state FREEZING # cat /containers/0/freezer.state FROZEN to unfreeze all tasks in the container : # echo RUNNING > /containers/0/freezer.state # cat /containers/0/freezer.state RUNNING This is the basic mechanism which should do the right thing for user space task in a simple scenario. It's important to note that freezing can be incomplete. In that case we return EBUSY. This means that some tasks in the cgroup are busy doing something that prevents us from completely freezing the cgroup at this time. After EBUSY, the cgroup will remain partially frozen -- reflected by freezer.state reporting "FREEZING" when read. The state will remain "FREEZING" until one of these things happens: 1) Userspace cancels the freezing operation by writing "RUNNING" to the freezer.state file 2) Userspace retries the freezing operation by writing "FROZEN" to the freezer.state file (writing "FREEZING" is not legal and returns EIO) 3) The tasks that blocked the cgroup from entering the "FROZEN" state disappear from the cgroup's set of tasks. [akpm@linux-foundation.org: coding-style fixes] [akpm@linux-foundation.org: export thaw_process] Signed-off-by: Cedric Le Goater <clg@fr.ibm.com> Signed-off-by: Matt Helsley <matthltc@us.ibm.com> Acked-by: Serge E. Hallyn <serue@us.ibm.com> Tested-by: Matt Helsley <matthltc@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* sh: Kill off ARCH_SUPPORTS_AOUT and remnants of a.out support.Paul Mundt2008-08-041-3/+0
| | | | | | | | SH never really supported a.out, so this was all just copied over blindly from x86 way back when. As we don't reference linux/a.out.h anywhere in the tree, these can now safely be killed off. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: define GENERIC_HARDIRQS_NO__DO_IRQ.Paul Mundt2008-08-041-0/+3
| | | | | | | We haven't called in to __do_IRQ() in a long time, so it seems like a reasonable time to switch this on by default. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: define GENERIC_LOCKBREAK.Paul Mundt2008-08-041-0/+4
| | | | | | | Needed for fixing up the __raw_spin_is_contended() reference which results in a build error. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: seccomp support.Paul Mundt2008-08-021-0/+17
| | | | | | | This hooks up the seccomp thread flag and associated callback from the syscall tracer. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6Linus Torvalds2008-08-011-245/+7
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (28 commits) mm/hugetlb.c must #include <asm/io.h> video: Fix up hp6xx driver build regressions. sh: defconfig updates. sh: Kill off stray mach-rsk7203 reference. serial: sh-sci: Fix up SH7760/SH7780/SH7785 early printk regression. sh: Move out individual boards without mach groups. sh: Make sure AT_SYSINFO_EHDR is exposed to userspace in asm/auxvec.h. sh: Allow SH-3 and SH-5 to use common headers. sh: Provide common CPU headers, prune the SH-2 and SH-2A directories. sh/maple: clean maple bus code sh: More header path fixups for mach dir refactoring. sh: Move out the solution engine headers to arch/sh/include/mach-se/ sh: I2C fix for AP325RXA and Migo-R sh: Shuffle the board directories in to mach groups. sh: dma-sh: Fix up dreamcast dma.h mach path. sh: Switch KBUILD_DEFCONFIG to shx3_defconfig. sh: Add ARCH_DEFCONFIG entries for sh and sh64. sh: Fix compile error of Solution Engine sh: Proper __put_user_asm() size mismatch fix. sh: Stub in a dummy ENTRY_OFFSET for uImage offset calculation. ...
| * sh: Move out the solution engine headers to arch/sh/include/mach-se/Paul Mundt2008-07-291-245/+2
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Shuffle the board directories in to mach groups.Paul Mundt2008-07-291-5/+5
| | | | | | | | | | | | | | | | | | This flattens out the board directories in to individual mach groups, we will use this for getting rid of unneeded directories, simplifying the build system, and becoming more coherent with the refactored arch/sh/include topology. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Add ARCH_DEFCONFIG entries for sh and sh64.Paul Mundt2008-07-291-0/+5
| | | | | | | | Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* | Merge branch 'linus' into core/generic-dma-coherentIngo Molnar2008-07-291-0/+35
|\| | | | | | | | | | | | | | | Conflicts: arch/x86/Kconfig Signed-off-by: Ingo Molnar <mingo@elte.hu>
| * sh: Add SuperH Mobile LCDC platform data for Migo-RMagnus Damm2008-07-281-0/+1
| | | | | | | | | | | | | | Add WVGA and QVGA LCD panel support to Migo-R. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Renesas R0P7785LC0011RL board supportYoshihiro Shimoda2008-07-281-0/+15
| | | | | | | | | | | | | | | | This adds initial support for the Renesas R0P7785LC0011RL board. This patch supports 29bit address mode only. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Fix Kconfig of AP-325RXANobuhiro Iwamatsu2008-07-281-1/+1
| | | | | | | | | | | | | | | | The CPU of AP-325RXA is SH7723, but a CPU becomes selectable. This patch fixes this problem. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Renesas Solutions SH7763RDP board supportNobuhiro Iwamatsu2008-07-281-0/+7
| | | | | | | | | | | | | | | | | | This patch adds basic support for the SH7763RDP board. This supports a basic stuff provided in SH7763, like SCIF, NOR Flash and USB host. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: Add support Renesas Solutions AP-325RXA boardYusuke Goda2008-07-281-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | This board is SH7723 base board. This has SCIF, LCDC, USB Host controler, NOR/NAND Flash, Sound, Ether and other. This patch supports SCIF, NOR Flash. Signed-off-by: Yusuke Goda <goda.yusuke@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * sh: RSK+ 7203 board support.Paul Mundt2008-07-281-0/+4
| | | | | | | | | | | | This adds initial support for the RTE RSK+ SH7203 board. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| * add HAVE_CLK to Kconfig, for driver dependenciesDavid Brownell2008-07-241-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Flag platforms as HAVE_CLK (or not) in Kconfig, based on whether they support <linux/clk.h> calls, so that otherwise portable drivers which need those calls can list that dependency. Something like this is a prerequisite for merging the musb_hdrc driver, currently used on platforms including Davinci, OMAP2430, OMAP3xx ... and the discrete TUSB6010 chip, which doesn't have a natural platform dependency. (Used with OMAP 2420 in current Nokia N8x0 tablets.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Russell King <rmk@arm.linux.org.uk> Acked-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Sh: use generic per-device coherent dma allocatorDmitry Baryshkov2008-07-181-0/+1
|/ | | | | | | Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* sh: convert to generic helpers for IPI function callsJens Axboe2008-06-261-0/+1
| | | | | | | | | This converts sh to use the new helpers for smp_call_function() and friends, and adds support for smp_call_function_single(). Not tested, but it compiles. Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* sh: Drop broken URAM support on SH7723.Paul Mundt2008-05-261-1/+0
| | | | | | | This was copied over from the previous MobileR bits, which doesn't apply to R2. The URAM block on R2 is recycled for the L2 instead. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: remove the broken SH_MPC1211 supportAdrian Bunk2008-05-081-11/+2
| | | | | | | | | | SH_MPC1211 has been marked as BROKEN for some time. Unless someone is working on reviving it now, I'd therefore suggest this patch to remove it. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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