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2013-05-09xtensa: add stacktrace supportMax Filippov1-0/+3
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-05-09xtensa: remove KCORE_ELF againPaul Bolle1-15/+0
The Kconfig symbol KCORE_ELF was removed in v2.6.0, but reappeared in two architectures. It is useless. Remove it again. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-05-09xtensa: add MMU v3 supportMax Filippov1-0/+29
MMUv3 comes out of reset with identity vaddr -> paddr mapping in the TLB way 6: Way 6 (512 MB) Vaddr Paddr ASID Attr RWX Cache ---------- ---------- ---- ---- --- ------- 0x00000000 0x00000000 0x01 0x03 RWX Bypass 0x20000000 0x20000000 0x01 0x03 RWX Bypass 0x40000000 0x40000000 0x01 0x03 RWX Bypass 0x60000000 0x60000000 0x01 0x03 RWX Bypass 0x80000000 0x80000000 0x01 0x03 RWX Bypass 0xa0000000 0xa0000000 0x01 0x03 RWX Bypass 0xc0000000 0xc0000000 0x01 0x03 RWX Bypass 0xe0000000 0xe0000000 0x01 0x03 RWX Bypass This patch adds remapping code at the reset vector or at the kernel _start (depending on CONFIG_INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX) that reconfigures MMUv3 as MMUv2: Way 5 (128 MB) Vaddr Paddr ASID Attr RWX Cache ---------- ---------- ---- ---- --- ------- 0xd0000000 0x00000000 0x01 0x07 RWX WB 0xd8000000 0x00000000 0x01 0x03 RWX Bypass Way 6 (256 MB) Vaddr Paddr ASID Attr RWX Cache ---------- ---------- ---- ---- --- ------- 0xe0000000 0xf0000000 0x01 0x07 RWX WB 0xf0000000 0xf0000000 0x01 0x03 RWX Bypass Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-04-16Remove GENERIC_GPIO config optionAlexandre Courbot1-3/+0
GENERIC_GPIO has been made equivalent to GPIOLIB in architecture code and all driver code has been switch to depend on GPIOLIB. It is thus safe to have GENERIC_GPIO removed. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Grant Likely <grant.likely@secretlab.ca>
2013-03-12Select VIRT_TO_BUS directly where neededStephen Rothwell1-1/+1
In commit 887cbce0adea ("arch Kconfig: centralise ARCH_NO_VIRT_TO_BUS") I introduced the config sybmol HAVE_VIRT_TO_BUS and selected that where needed. I am not sure what I was thinking. Instead, just directly select VIRT_TO_BUS where it is needed. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-27arch Kconfig: centralise CONFIG_ARCH_NO_VIRT_TO_BUSStephen Rothwell1-0/+1
Change it to CONFIG_HAVE_VIRT_TO_BUS and set it in all architecures that already provide virt_to_bus(). Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Reviewed-by: James Hogan <james.hogan@imgtec.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: H Hartley Sweeten <hartleys@visionengravers.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-02-26Merge tag 'xtensa-next-20130225' of git://github.com/czankel/xtensa-linuxLinus Torvalds1-1/+45
Pull xtensa update from Chris Zankel: "Added features: - add support for thread local storage (TLS) - add accept4 and finit_module syscalls - support medium-priority interrupts - add support for dc232c processor variant - support file-base simulated disk for ISS simulator Bug fixes: - fix return values returned by the str[n]cmp functions - avoid mmap cache aliasing - fix handling of 'windowed registers' in ptrace" * tag 'xtensa-next-20130225' of git://github.com/czankel/xtensa-linux: xtensa: add accept4 syscall xtensa: add support for TLS xtensa: add missing include asm/uaccess.h to checksum.h xtensa: do not enable GENERIC_GPIO by default xtensa: complete ptrace handling of register windows xtensa: add support for oprofile xtensa: move spill_registers to traps.h xtensa: ISS: add host file-based simulated disk xtensa: fix str[n]cmp return value xtensa: avoid mmap cache aliasing xtensa: add finit_module syscall xtensa: pull signal definitions from signal-defs.h xtensa: fix ipc_parse_version selection xtensa: dispatch medium-priority interrupts xtensa: Add config files for Diamond 233L - Rev C processor variant xtensa: use new common dtc rule xtensa: rename prom_update_property to of_update_property
2013-02-23xtensa: do not enable GENERIC_GPIO by defaultMax Filippov1-1/+1
Now that drivers/gpio/devres.c build does not depend on GPIOLIB do not enable GENERIC_GPIO by default to fix the following build errors seen in the linux-next: include/asm-generic/gpio.h:270:2: error: implicit declaration of function '__gpio_get_value' [-Werror=implicit-function-declaration] include/asm-generic/gpio.h:276:2: error: implicit declaration of function '__gpio_set_value' [-Werror=implicit-function-declaration] include/linux/gpio.h:60:19: error: redefinition of 'gpio_cansleep' include/linux/gpio.h:62:2: error: implicit declaration of function '__gpio_cansleep' [-Werror=implicit-function-declaration] include/linux/gpio.h:67:2: error: implicit declaration of function '__gpio_to_irq' [-Werror=implicit-function-declaration] drivers/gpio/devres.c:26:2: error: implicit declaration of function 'gpio_free' [-Werror=implicit-function-declaration] drivers/gpio/devres.c:60:2: error: implicit declaration of function 'gpio_request' [-Werror=implicit-function-declaration] drivers/gpio/devres.c:90:2: error: implicit declaration of function 'gpio_request_one' [-Werror=implicit-function-declaration] Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-02-23xtensa: add support for oprofiledann1-0/+1
Support call graph profiling. Keep upper two bits of PC unchanged through backtrace rather than take them from sp (a1). The stack pointer is usually in the same GB (same upper 2 bits) as PC, but technically doesn't always have to be (and might not in the future, when taking full advantage of MMU v3). Signed-off-by: Dan Nicolaescu <dann@xtensa-linux.org> Signed-off-by: Pete Delaney <piet@tensilica.com> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-02-23xtensa: ISS: add host file-based simulated diskVictor Prupis1-0/+36
Simdisk is a block device that maps to a file in the host file system. It is usable for testing in the simulated environment, like xt-sim or QEMU. Device binding to host file may be changed at runtime via proc interface provided the device is not in use. Number of block devices and initial binding to host files is controlled via kernel/module parameters, with defaults specified in the kernel configuration. Signed-off-by: Victor Prupis <vnp@tensilica.com> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-02-23xtensa: fix ipc_parse_version selectionMax Filippov1-0/+1
shmctl may be called with IPC_64 flag, select function version of ipc_parse_version to correctly handle that. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-02-23xtensa: Add config files for Diamond 233L - Rev C processor variantPete Delaney1-0/+6
The Diamond 233L processor is a pre-configured Xtensa processor tailored for Linux application. Signed-off-by: Pete Delaney <piet@tensilica.com> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2013-02-21Merge branch 'for-linus' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial Pull trivial tree from Jiri Kosina: "Assorted tiny fixes queued in trivial tree" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (22 commits) DocBook: update EXPORT_SYMBOL entry to point at export.h Documentation: update top level 00-INDEX file with new additions ARM: at91/ide: remove unsused at91-ide Kconfig entry percpu_counter.h: comment code for better readability x86, efi: fix comment typo in head_32.S IB: cxgb3: delay freeing mem untill entirely done with it net: mvneta: remove unneeded version.h include time: x86: report_lost_ticks doesn't exist any more pcmcia: avoid static analysis complaint about use-after-free fs/jfs: Fix typo in comment : 'how may' -> 'how many' of: add missing documentation for of_platform_populate() btrfs: remove unnecessary cur_trans set before goto loop in join_transaction sound: soc: Fix typo in sound/codecs treewide: Fix typo in various drivers btrfs: fix comment typos Update ibmvscsi module name in Kconfig. powerpc: fix typo (utilties -> utilities) of: fix spelling mistake in comment h8300: Fix home page URL in h8300/README xtensa: Fix home page URL in Kconfig ...
2013-01-29Merge branch 'master' into for-nextJiri Kosina1-0/+22
Conflicts: drivers/devfreq/exynos4_bus.c Sync with Linus' tree to be able to apply patches that are against newer code (mvneta).
2013-01-18tty: Added a CONFIG_TTY option to allow removal of TTYJoe Millenbach1-0/+1
The option allows you to remove TTY and compile without errors. This saves space on systems that won't support TTY interfaces anyway. bloat-o-meter output is below. The bulk of this patch consists of Kconfig changes adding "depends on TTY" to various serial devices and similar drivers that require the TTY layer. Ideally, these dependencies would occur on a common intermediate symbol such as SERIO, but most drivers "select SERIO" rather than "depends on SERIO", and "select" does not respect dependencies. bloat-o-meter output comparing our previous minimal to new minimal by removing TTY. The list is filtered to not show removed entries with awk '$3 != "-"' as the list was very long. add/remove: 0/226 grow/shrink: 2/14 up/down: 6/-35356 (-35350) function old new delta chr_dev_init 166 170 +4 allow_signal 80 82 +2 static.__warned 143 142 -1 disallow_signal 63 62 -1 __set_special_pids 95 94 -1 unregister_console 126 121 -5 start_kernel 546 541 -5 register_console 593 588 -5 copy_from_user 45 40 -5 sys_setsid 128 120 -8 sys_vhangup 32 19 -13 do_exit 1543 1526 -17 bitmap_zero 60 40 -20 arch_local_irq_save 137 117 -20 release_task 674 652 -22 static.spin_unlock_irqrestore 308 260 -48 Signed-off-by: Joe Millenbach <jmillenbach@gmail.com> Reviewed-by: Jamey Sharp <jamey@minilop.net> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-04xtensa: Fix home page URL in KconfigMasanari Iida1-1/+1
This home page address has moved to new one. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-12-20Merge branch 'for-linus' of ↵Linus Torvalds1-2/+0
git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal Pull signal handling cleanups from Al Viro: "sigaltstack infrastructure + conversion for x86, alpha and um, COMPAT_SYSCALL_DEFINE infrastructure. Note that there are several conflicts between "unify SS_ONSTACK/SS_DISABLE definitions" and UAPI patches in mainline; resolution is trivial - just remove definitions of SS_ONSTACK and SS_DISABLED from arch/*/uapi/asm/signal.h; they are all identical and include/uapi/linux/signal.h contains the unified variant." Fixed up conflicts as per Al. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: alpha: switch to generic sigaltstack new helpers: __save_altstack/__compat_save_altstack, switch x86 and um to those generic compat_sys_sigaltstack() introduce generic sys_sigaltstack(), switch x86 and um to it new helper: compat_user_stack_pointer() new helper: restore_altstack() unify SS_ONSTACK/SS_DISABLE definitions new helper: current_user_stack_pointer() missing user_stack_pointer() instances Bury the conditionals from kernel_thread/kernel_execve series COMPAT_SYSCALL_DEFINE: infrastructure
2012-12-19Bury the conditionals from kernel_thread/kernel_execve seriesAl Viro1-2/+0
All architectures have CONFIG_GENERIC_KERNEL_THREAD CONFIG_GENERIC_KERNEL_EXECVE __ARCH_WANT_SYS_EXECVE None of them have __ARCH_WANT_KERNEL_EXECVE and there are only two callers of kernel_execve() (which is a trivial wrapper for do_execve() now) left. Kill the conditionals and make both callers use do_execve(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-12-18xtensa: add support for the XTFPGA boardsMax Filippov1-0/+9
The Avnet LX60/LX110/LX200 board is an FPGA board that can be configured with an Xtensa processor and an OpenCores Ethernet device. Signed-off-by: Chris Zankel <chris@zankel.net> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2012-12-18xtensa: add device trees supportMax Filippov1-0/+11
Device trees allow specification of hardware topology and device parameters at runtime instead of hard-coding them in platform setup code. This allows running single binary kernel on a range of compatible boards. New boot parameters tag BP_TAG_FDT is allocated and a pointer to flat device tree is passed in it. Note that current interrupt mapping scheme uses single cell for interrupt identification. That means that IRQ numbers used in DTS must be CPU internal IRQ numbers, not external. It is possible to extend interrupt identification to two cells, and use second cell to tell external IRQ numbers form internal. That would allow to use single DTS on multiple boards with different mapping of external IRQ numbers. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2012-12-18xtensa: add IRQ domains supportMax Filippov1-0/+1
IRQ domains provide a mechanism for conversion of linux IRQ numbers to hardware IRQ numbers and vice versus. It is used by OpenFirmware for linking device tree objects to their respective interrupt controllers. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2012-11-28xtensa: switch to generic clone()Al Viro1-0/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-25xtensa: switch to generic kernel_execve()Max Filippov1-0/+1
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-25xtensa: switch to generic kernel_thread()Max Filippov1-0/+1
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-09Merge tag 'xtensa-next-20121008' of git://github.com/czankel/xtensa-linuxLinus Torvalds1-18/+5
Pull Xtensa patchset from Chris Zankel: "The Xtensa tree has been broken for some time now, and this patchset brings it back to life. It has been part of the linux-next tree for some time. Most changes are inside the xtensa subdirectory; the other changes mostly add another rule to already existing #ifdefs to exclude Xtensa, where required. The only 'common' change is to add two more sections ('.xt.prop' and '.xt.lit') to the white list in modpost." * tag 'xtensa-next-20121008' of git://github.com/czankel/xtensa-linux: (27 commits) xtensa: Setup CROSS_COMPILE at the top xtensa: drop CONFIG_EMBEDDED_RAMDISK xtensa: fix TIOCGSERIAL and TIOCSSERIAL definitions xtensa: provide dummy gcc intrinsics xtensa: add missing symbol exports parport: disable for xtensa arch xtensa: rename MISC SR definition to avoid name clashes hisax: disable build for big-endian xtensa xtensa: fix CODA build xtensa: fix parallel make xtensa: ISS: drop unused io.c xtensa: ISS: exit simulator in case of halt or poweroff xtensa: ISS: change keyboard polling rate xtensa: ISS: add platform_pcibios_init xtensa: ISS: add dummy serial.h for ISS platform xtensa: change default platform clock frequency to 10MHz xtensa: add ARCH_WANT_OPTIONAL_GPIOLIB to xtensa config xtensa: set NO_IOPORT to 'n' by default xtensa: adopt generic io routines xtensa: fix ioremap ...
2012-10-03xtensa: drop CONFIG_EMBEDDED_RAMDISKMax Filippov1-17/+0
Remove Kconfig entries, boot subdirectory, dependencies from other boot-* Makefiles, and sections from ld scripts. Remove stale redboot code that used to pass initrd addresses in a3 and a4 to _start. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03xtensa: add ARCH_WANT_OPTIONAL_GPIOLIB to xtensa configMax Filippov1-0/+1
This is needed for various modules requiring GPIO. This allows building kernel in allmodconfig configuration. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03xtensa: set NO_IOPORT to 'n' by defaultMax Filippov1-1/+2
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2012-10-03xtensa: adopt generic io routinesMax Filippov1-0/+2
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2012-09-06xtensa: remove duplicate CONFIG_HOTPLUG definitionGreg Kroah-Hartman1-18/+0
As part of the plan to remove CONFIG_HOTPLUG, it was found that xtensa duplicates this config option for no reason (it's already defined as part of init/Kconfig). This patch removes it from the xtensa-only Kconfig file. Cc: Chris Zankel <chris@zankel.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-31xtensa: select generic atomic64_t supportFengguang Wu1-0/+1
This will fix build errors: block/blk-cgroup.c:609:2: error: unknown type name 'atomic64_t' block/blk-cgroup.c:609:2: error: implicit declaration of function 'ATOMIC64_INIT' [-Werror=implicit-function-declaration] Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Cc: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-11cpu: Register a generic CPU device on architectures that currently do notBen Hutchings1-0/+1
frv, h8300, m68k, microblaze, openrisc, score, um and xtensa currently do not register a CPU device. Add the config option GENERIC_CPU_DEVICES which causes a generic CPU device to be registered for each present CPU, and make all these architectures select it. Richard Weinberger <richard@nod.at> covered UML and suggested using per_cpu. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-05xtensa: Use generic config PREEMPT definitionFrederic Weisbecker1-12/+1
So that it can handle the new CONFIG_PREEMPT_COUNT. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Chris Zankel <chris@zankel.net>
2011-05-26arch: remove CONFIG_GENERIC_FIND_{NEXT_BIT,BIT_LE,LAST_BIT}Akinobu Mita1-6/+0
By the previous style change, CONFIG_GENERIC_FIND_NEXT_BIT, CONFIG_GENERIC_FIND_BIT_LE, and CONFIG_GENERIC_FIND_LAST_BIT are not used to test for existence of find bitops anymore. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Greg Ungerer <gerg@uclinux.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Russell King <linux@arm.linux.org.uk> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-03-30genirq: Remove the now obsolete config options and select statementsThomas Gleixner1-1/+0
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-25Merge branch 'irq-cleanup-for-linus' of ↵Linus Torvalds1-3/+3
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'irq-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (23 commits) genirq: Expand generic show_interrupts() gpio: Fold irq_set_chip/irq_set_handler to irq_set_chip_and_handler gpio: Cleanup genirq namespace arm: ep93xx: Add basic interrupt info arm/gpio: Remove three copies of broken and racy debug code xtensa: Use generic show_interrupts() xtensa: Convert genirq namespace xtensa: Use generic IRQ Kconfig and set GENERIC_HARDIRQS_NO_DEPRECATED xtensa: Convert s6000 gpio irq_chip to new functions xtensa: Convert main irq_chip to new functions um: Use generic show_interrupts() um: Convert genirq namespace m32r: Use generic show_interrupts() m32r: Convert genirq namespace h8300: Use generic show_interrupts() h8300: Convert genirq namespace avr32: Cleanup eic_set_irq_type() avr32: Use generic show_interrupts() avr: Cleanup genirq namespace avr32: Use generic IRQ config, enable GENERIC_HARDIRQS_NO_DEPRECATED ... Fix up trivial conflict in drivers/gpio/timbgpio.c
2011-03-24xtensa: Use generic show_interrupts()Thomas Gleixner1-0/+1
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2011-03-24xtensa: Use generic IRQ Kconfig and set GENERIC_HARDIRQS_NO_DEPRECATEDThomas Gleixner1-3/+2
All chips converted. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Chris Zankel <chris@zankel.net> LKML-Reference: <20110206211137.849317253@linutronix.de>
2011-03-23bitops: introduce CONFIG_GENERIC_FIND_BIT_LEAkinobu Mita1-0/+3
This introduces CONFIG_GENERIC_FIND_BIT_LE to tell whether to use generic implementation of find_*_bit_le() in lib/find_next_bit.c or not. For now we select CONFIG_GENERIC_FIND_BIT_LE for all architectures which enable CONFIG_GENERIC_FIND_NEXT_BIT. But m68knommu wants to define own faster find_next_zero_bit_le() and continues using generic find_next_{,zero_}bit(). (CONFIG_GENERIC_FIND_NEXT_BIT and !CONFIG_GENERIC_FIND_BIT_LE) Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Greg Ungerer <gerg@uclinux.org> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-10-12Merge branch 'kbuild/rc-fixes' into kbuild/kconfigMichal Marek1-3/+0
We need to revert the temporary hack in 71ebc01, hence the merge.
2010-09-19kbuild: migrate all arch to the kconfig mainmenu upgradeArnaud Lacombe1-5/+0
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Reviewed-by: Michal Marek <mmarek@suse.cz>
2010-07-27time: Kill off CONFIG_GENERIC_TIMEJohn Stultz1-3/+0
Now that all arches have been converted over to use generic time via clocksources or arch_gettimeoffset(), we can remove the GENERIC_TIME config option and simplify the generic code. Signed-off-by: John Stultz <johnstul@us.ibm.com> LKML-Reference: <1279068988-21864-4-git-send-email-johnstul@us.ibm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2009-05-11xtensa: implement ccount calibration for s6000Oskar Schirmer1-0/+1
Calculate core frequency from timers at boot time instead of assuming a fixed frequency. This is useful as the true frequency is set up by the boot loader, thus variable. Signed-off-by: Oskar Schirmer <os@emlix.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2009-05-11xtensa: Fix architecture specific KconfigChris Zankel1-4/+2
Move a misplace endmenu marker to enable platform options and disable PCI and automatic calibrating for the XT2K board. The on-board PCI bridge is somewhat broken, anyway, and the calibrating relies on some whacky usage of the serial port. Signed-off-by: Chris Zankel <chris@zankel.net>
2009-04-02xtensa: ccount clocksourceJohannes Weiner1-0/+3
Switch to GENERIC_TIME by using the ccount register as a clock source. Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Chris Zankel <chris@zankel.net>
2009-04-02xtensa: platform: s6105Johannes Weiner1-0/+4
Support for the S6105 IP Camera Reference Design Kit. Signed-off-by: Johannes Weiner <jw@emlix.com> Signed-off-by: Oskar Schirmer <os@emlix.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2009-04-02xtensa: s6000 variantJohannes Weiner1-0/+8
Support for the Stretch S6000 Xtensa core variant. Signed-off-by: Johannes Weiner <jw@emlix.com> Signed-off-by: Oskar Schirmer <os@emlix.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2009-04-02xtensa: variant irq set callbacksJohannes Weiner1-0/+3
Allow the core variant code to provide irq enable/disable callbacks. Signed-off-by: Johannes Weiner <jw@emlix.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2009-04-02xtensa: beat Kconfig into shapeJohannes Weiner1-88/+78
Instead of making support code depend on variants or platforms, the latter should select what they need explicitely. Otherwise this starts looking weird when support code depends on !XTENSA_PLATFORM_FOO && !XTENSA_PLATFORM_BAR etc. This also includes some minor fixlets like converting bool and default to def_bool and fixing indentation and whitespace errors. Signed-off-by: Johannes Weiner <jw@emlix.com> Signed-off-by: Chris Zankel <chris@zankel.net>
2009-03-10xtensa: fix compilation somewhatAlexey Dobriyan1-3/+0
* ->put_char changes * HIGHMEM is bogus it seems, there is no kmap_atomic() et al * some includes Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Acked-by: Chris Zankel <zankel@tensilica.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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