Commit Graph

235 Commits

Author SHA1 Message Date
Linus Torvalds
6b5a12dbca ARM: SoC multiplatform code changes for v4.5
This branch is the culmination of 5 years of effort to bring the ARMv6
 and ARMv7 platforms together such that they can all be enabled and
 boot the same kernel. It has been a tremendous amount of cleanup and
 refactoring by a huge number of people, and creation of several new
 (and major) subsystems to better abstract out all the platform details
 in an appropriate manner.
 
 The bulk of this branch is a large patchset from Arnd that brings several
 of the more minor and older platforms we have closer to multiplatform
 support.  Among these are MMP, S3C64xx, Orion5x, mv78xx0 and realview
 Much of this is moving around header files from old mach directories,
 but there are also some cleanup patches of debug_ll (lowlevel debug
 per-platform options) and other parts.
 
 Linus Walleij also has some patchs to clean up the older ARM Realview
 platforms by finally introducing DT support, and Rob Herring has some
 for ARM Versatile which is now DT-only. Both of these platforms are
 now multiplatform.
 
 Finally, a couple of patches from Russell for Dove PMU, and a fix from
 Valentin Rothberg for Exynos ADC, which were rebased on top of the
 series to avoid conflicts.
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Merge tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC multiplatform code updates from Arnd Bergmann:
 "This branch is the culmination of 5 years of effort to bring the ARMv6
  and ARMv7 platforms together such that they can all be enabled and
  boot the same kernel.  It has been a tremendous amount of cleanup and
  refactoring by a huge number of people, and creation of several new
  (and major) subsystems to better abstract out all the platform details
  in an appropriate manner.

  The bulk of this branch is a large patchset from Arnd that brings
  several of the more minor and older platforms we have closer to
  multiplatform support.  Among these are MMP, S3C64xx, Orion5x, mv78xx0
  and realview Much of this is moving around header files from old mach
  directories, but there are also some cleanup patches of debug_ll
  (lowlevel debug per-platform options) and other parts.

  Linus Walleij also has some patchs to clean up the older ARM Realview
  platforms by finally introducing DT support, and Rob Herring has some
  for ARM Versatile which is now DT-only.  Both of these platforms are
  now multiplatform.

  Finally, a couple of patches from Russell for Dove PMU, and a fix from
  Valentin Rothberg for Exynos ADC, which were rebased on top of the
  series to avoid conflicts"

* tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (75 commits)
  ARM: realview: don't select SMP_ON_UP for UP builds
  ARM: s3c: simplify s3c_irqwake_{e,}intallow definition
  ARM: s3c64xx: fix pm-debug compilation
  iio: exynos-adc: fix irqf_oneshot.cocci warnings
  ARM: realview: build realview-dt SMP support only when used
  ARM: realview: select apropriate targets
  ARM: realview: clean up header files
  ARM: realview: make all header files local
  ARM: no longer make CPU targets visible separately
  ARM: integrator: use explicit core module options
  ARM: realview: enable multiplatform
  ARM: make default platform work for NOMMU
  ARM: debug-ll: move DEBUG_LL_UART_EFM32 to correct Kconfig location
  ARM: defconfig: use correct debug_ll settings
  ARM: versatile: convert to multi-platform
  ARM: versatile: merge mach code into a single file
  ARM: versatile: switch to DT only booting and remove legacy code
  ARM: versatile: add DT based PCI detection
  ARM: pxa: mark ezx structures as __maybe_unused
  ARM: pxa: mark raumfeld init functions as __maybe_unused
  ...
2016-01-20 18:03:56 -08:00
Linus Torvalds
e535d74bc5 A relatively boring cycle in the docs tree. There's a few kernel-doc
fixes and various document tweaks.
 
 One patch reaches out of the documentation subtree to fix a comment in
 init/do_mounts_rd.c.  There didn't seem to be anybody more appropriate to
 take that one, so I accepted it.
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Merge tag 'docs-4.5' of git://git.lwn.net/linux

Pull documentation updates from Jon Corbet:
 "A relatively boring cycle in the docs tree.  There's a few kernel-doc
  fixes and various document tweaks.

  One patch reaches out of the documentation subtree to fix a comment in
  init/do_mounts_rd.c.  There didn't seem to be anybody more appropriate
  to take that one, so I accepted it"

* tag 'docs-4.5' of git://git.lwn.net/linux: (29 commits)
  thermal: add description for integral_cutoff unit
  Documentation: update libhugetlbfs site url
  Documentation: Explain pci=conf1,conf2 more verbosely
  DMA-API: fix confusing sentence in Documentation/DMA-API.txt
  Documentation: translations: update linux cross reference link
  Documentation: fix typo in CodingStyle
  init, Documentation: Remove ramdisk_blocksize mentions
  Documentation-getdelays: Apply a recommendation from "checkpatch.pl" in main()
  Documentation: HOWTO: update versions from 3.x to 4.x
  Documentation: remove outdated references from translations
  Doc: treewide: Fix grammar "a" to "an"
  Documentation: cpu-hotplug: Fix sysfs mount instructions
  can-doc: Add hint about getting timestamps
  Fix CFQ I/O scheduler parameter name in documentation
  Documentation: arm: remove dead links from Marvell Berlin docs
  Documentation: HOWTO: update code cross reference link
  Doc: Docbook/iio: Fix typo in iio.tmpl
  DocBook: make index.html generation less verbose by default
  DocBook: Cleanup: remove an unused $(call) line
  DocBook: Add a help message for DOCBOOKS env var
  ...
2016-01-17 11:55:07 -08:00
Tom Hebb
51af896be3 Documentation: arm: remove dead links from Marvell Berlin docs
The BG2 and BG2Q are no longer listed on Marvell's site, so the links in
the README go nowhere. The BG2Q's product brief has also been removed.

Signed-off-by: Thomas Hebb <tommyhebb@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-12-10 11:24:26 -07:00
Arnd Bergmann
4c25c5d298 ARM: pxa: make more mach/*.h files local
Lots of header files are never included outside of a mach-pxa
directory and do not need to be made visible in include/mach,
so let's just move them all down one level.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-12-01 21:52:50 +01:00
Murali Karicheri
17e846aa39 ARM: dts: keystone: k2l: fix kernel crash when clk_ignore_unused is not in bootargs
Currently kernel crash randomly when K2L EVM is booted without
clk_ignore_unused in the bootargs. This workaround is not needed
on other K2 devices such as K2HK and K2E and with this fix, we can
remove the workaround altogether. netcp driver on K2L uses linked
ram on OSR (On chip Static RAM) and requires the clock to this peripheral
enabled for proper functioning. This is the reason for the kernel crash.
So add the clock node to fix this issue.

While at it, remove the workaround documentation as well.

With the fix applied, clk_summary dump shows the clock to OSR enabled.

cat /sys/kernel/debug/clk/clk_summary
 ------cut--------------
   tcp3d-1                   0            0   399360000          0 0
   tcp3d-0                   0            0   399360000          0 0
   osr                       1            1   399360000          0 0
   fftc-0                    0            0   399360000          0 0
 -----cut----------------
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2015-11-23 10:36:27 -08:00
Tom Hebb
32d79b023a Documentation: arm: remove hyphen from BG2Q in Marvell Berlin docs
The chip's design name isn't hyphenated anywhere else, and none of the
other names in the same document are hyphenated.

Signed-off-by: Thomas Hebb <tommyhebb@gmail.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-11-20 16:46:59 -07:00
Tom Hebb
4cbbf01961 Documentation: arm: add Marvell Armada 1500 Mini Plus to SoC list
Add known information about the Marvell BG2CDP SoC that's used in
the Google Chromecast 2015 and Kinoma HD devices.

Signed-off-by: Thomas Hebb <tommyhebb@gmail.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-11-20 16:46:24 -07:00
Tom Hebb
787a40325a Documentation: arm: update homepage URLs for Marvell Berlin SoCs
Marvell has renamed their Berlin family from "Digital Entertainment" to
"Multimedia Solutions." There aren't proper redirects set up for
device-specific pages, so update the URLs accordingly.

Signed-off-by: Thomas Hebb <tommyhebb@gmail.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-11-20 16:45:46 -07:00
Linus Torvalds
56e0464980 ARM: SoC platform updates for v4.4
New and/or improved SoC support for this release:
 
  - Marvell Berlin:
    * Enable standard DT-based cpufreq
    * Add CPU hotplug support
  - Freescale:
    * Ethernet init for i.MX7D
    * Suspend/resume support for i.MX6UL
  - Allwinner:
    * Support for R8 chipset (used on NTC's $9 C.H.I.P board)
  - Mediatek:
    * SMP support for some platforms
  - Uniphier:
    * L2 support
    * Cleaned up SMP support, etc.
 
 + A handful of other patches around above functionality, and a few other
 smaller changes.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "New and/or improved SoC support for this release:

  Marvell Berlin:
     - Enable standard DT-based cpufreq
     - Add CPU hotplug support

  Freescale:
     - Ethernet init for i.MX7D
     - Suspend/resume support for i.MX6UL

  Allwinner:
     - Support for R8 chipset (used on NTC's $9 C.H.I.P board)

  Mediatek:
     - SMP support for some platforms

  Uniphier:
     - L2 support
     - Cleaned up SMP support, etc.

  plus a handful of other patches around above functionality, and a few
  other smaller changes"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (42 commits)
  ARM: uniphier: rework SMP operations to use trampoline code
  ARM: uniphier: add outer cache support
  Documentation: EXYNOS: Update bootloader interface on exynos542x
  ARM: mvebu: add broken-idle option
  ARM: orion5x: use mac_pton() helper
  ARM: at91: pm: at91_pm_suspend_in_sram() must be 8-byte aligned
  ARM: sunxi: Add R8 support
  ARM: digicolor: select pinctrl/gpio driver
  arm: berlin: add CPU hotplug support
  arm: berlin: use non-self-cleared reset register to reset cpu
  ARM: mediatek: add smp bringup code
  ARM: mediatek: enable gpt6 on boot up to make arch timer working
  soc: mediatek: Fix random hang up issue while kernel init
  soc: ti: qmss: make acc queue support optional in the driver
  soc: ti: add firmware file name as part of the driver
  Documentation: dt: soc: Add description for knav qmss driver
  ARM: S3C64XX: Use PWM lookup table for mach-smartq
  ARM: S3C64XX: Use PWM lookup table for mach-hmt
  ARM: S3C64XX: Use PWM lookup table for mach-crag6410
  ARM: S3C64XX: Use PWM lookup table for smdk6410
  ...
2015-11-10 14:56:23 -08:00
Linus Torvalds
2dc10ad81f arm64 updates for 4.4:
- "genirq: Introduce generic irq migration for cpu hotunplugged" patch
   merged from tip/irq/for-arm to allow the arm64-specific part to be
   upstreamed via the arm64 tree
 
 - CPU feature detection reworked to cope with heterogeneous systems
   where CPUs may not have exactly the same features. The features
   reported by the kernel via internal data structures or ELF_HWCAP are
   delayed until all the CPUs are up (and before user space starts)
 
 - Support for 16KB pages, with the additional bonus of a 36-bit VA
   space, though the latter only depending on EXPERT
 
 - Implement native {relaxed, acquire, release} atomics for arm64
 
 - New ASID allocation algorithm which avoids IPI on roll-over, together
   with TLB invalidation optimisations (using local vs global where
   feasible)
 
 - KASan support for arm64
 
 - EFI_STUB clean-up and isolation for the kernel proper (required by
   KASan)
 
 - copy_{to,from,in}_user optimisations (sharing the memcpy template)
 
 - perf: moving arm64 to the arm32/64 shared PMU framework
 
 - L1_CACHE_BYTES increased to 128 to accommodate Cavium hardware
 
 - Support for the contiguous PTE hint on kernel mapping (16 consecutive
   entries may be able to use a single TLB entry)
 
 - Generic CONFIG_HZ now used on arm64
 
 - defconfig updates
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Catalin Marinas:

 - "genirq: Introduce generic irq migration for cpu hotunplugged" patch
   merged from tip/irq/for-arm to allow the arm64-specific part to be
   upstreamed via the arm64 tree

 - CPU feature detection reworked to cope with heterogeneous systems
   where CPUs may not have exactly the same features.  The features
   reported by the kernel via internal data structures or ELF_HWCAP are
   delayed until all the CPUs are up (and before user space starts)

 - Support for 16KB pages, with the additional bonus of a 36-bit VA
   space, though the latter only depending on EXPERT

 - Implement native {relaxed, acquire, release} atomics for arm64

 - New ASID allocation algorithm which avoids IPI on roll-over, together
   with TLB invalidation optimisations (using local vs global where
   feasible)

 - KASan support for arm64

 - EFI_STUB clean-up and isolation for the kernel proper (required by
   KASan)

 - copy_{to,from,in}_user optimisations (sharing the memcpy template)

 - perf: moving arm64 to the arm32/64 shared PMU framework

 - L1_CACHE_BYTES increased to 128 to accommodate Cavium hardware

 - Support for the contiguous PTE hint on kernel mapping (16 consecutive
   entries may be able to use a single TLB entry)

 - Generic CONFIG_HZ now used on arm64

 - defconfig updates

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (91 commits)
  arm64/efi: fix libstub build under CONFIG_MODVERSIONS
  ARM64: Enable multi-core scheduler support by default
  arm64/efi: move arm64 specific stub C code to libstub
  arm64: page-align sections for DEBUG_RODATA
  arm64: Fix build with CONFIG_ZONE_DMA=n
  arm64: Fix compat register mappings
  arm64: Increase the max granular size
  arm64: remove bogus TASK_SIZE_64 check
  arm64: make Timer Interrupt Frequency selectable
  arm64/mm: use PAGE_ALIGNED instead of IS_ALIGNED
  arm64: cachetype: fix definitions of ICACHEF_* flags
  arm64: cpufeature: declare enable_cpu_capabilities as static
  genirq: Make the cpuhotplug migration code less noisy
  arm64: Constify hwcap name string arrays
  arm64/kvm: Make use of the system wide safe values
  arm64/debug: Make use of the system wide safe value
  arm64: Move FP/ASIMD hwcap handling to common code
  arm64/HWCAP: Use system wide safe values
  arm64/capabilities: Make use of system wide safe value
  arm64: Delay cpu feature capability checks
  ...
2015-11-04 14:47:13 -08:00
Linus Torvalds
f5a8160c1e Merge branch 'core-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI changes from Ingo Molnar:
 "The main changes in this cycle were:

   - further EFI code generalization to make it more workable for ARM64
   - various extensions, such as 64-bit framebuffer address support,
     UEFI v2.5 EFI_PROPERTIES_TABLE support
   - code modularization simplifications and cleanups
   - new debugging parameters
   - various fixes and smaller additions"

* 'core-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
  efi: Fix warning of int-to-pointer-cast on x86 32-bit builds
  efi: Use correct type for struct efi_memory_map::phys_map
  x86/efi: Fix kernel panic when CONFIG_DEBUG_VIRTUAL is enabled
  efi: Add "efi_fake_mem" boot option
  x86/efi: Rename print_efi_memmap() to efi_print_memmap()
  efi: Auto-load the efi-pstore module
  efi: Introduce EFI_NX_PE_DATA bit and set it from properties table
  efi: Add support for UEFIv2.5 Properties table
  efi: Add EFI_MEMORY_MORE_RELIABLE support to efi_md_typeattr_format()
  efifb: Add support for 64-bit frame buffer addresses
  efi/arm64: Clean up efi_get_fdt_params() interface
  arm64: Use core efi=debug instead of uefi_debug command line parameter
  efi/x86: Move efi=debug option parsing to core
  drivers/firmware: Make efi/esrt.c driver explicitly non-modular
  efi: Use the generic efi.memmap instead of 'memmap'
  acpi/apei: Use appropriate pgprot_t to map GHES memory
  arm64, acpi/apei: Implement arch_apei_get_mem_attributes()
  arm64/mm: Add PROT_DEVICE_nGnRnE and PROT_NORMAL_WT
  acpi, x86: Implement arch_apei_get_mem_attributes()
  efi, x86: Rearrange efi_mem_attributes()
  ...
2015-11-03 15:05:52 -08:00
Linus Torvalds
316dde2fe9 Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
 "In this ARM merge, we remove more lines than we add.  Changes include:

   - Enable imprecise aborts early, so that bus errors aren't masked
     until later in the boot.  This has the side effect that boot
     loaders which provoke these aborts can cause the kernel to crash
     early in boot, so we install a handler to report this event around
     the site where these are enabled.

   - Remove the buggy but impossible to enable cmpxchg syscall code.

   - Add unwinding annotations to some assembly code.

   - Add support for atomic half-word exchange for ARMv6k+.

   - Reduce ioremap() alignment for SMP/LPAE cases where we don't need
     the large alignment.

   - Addition of an "optimal" 3G configuration for systems with 1G of
     RAM.

   - Increase vmalloc space by 128M.

   - Constify some SMP operations structures, which have never been
     writable.

   - Improve ARMs dma_mmap() support for mapping DMA coherent mappings
     into userspace.

   - Fix to the NMI backtrace code in the IPI case on ARM where the
     failing CPU gets stuck for 10s waiting for its own IPI to be
     delivered.

   - Removal of legacy PM support from the AMBA bus driver.

   - Another fix for the previous fix of vdsomunge"

* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (23 commits)
  ARM: 8449/1: fix bug in vdsomunge swab32 macro
  arm: add missing of_node_put
  ARM: 8447/1: catch pending imprecise abort on unmask
  ARM: 8446/1: amba: Remove unused callbacks for legacy system PM
  ARM: 8443/1: Adding support for atomic half word exchange
  ARM: clean up TWD after previous patch
  ARM: 8441/2: twd: Don't set CLOCK_EVT_FEAT_C3STOP unconditionally
  ARM: 8440/1: remove obsolete documentation
  ARM: make highpte an expert option
  ARM: 8433/1: add a VMSPLIT_3G_OPT config option
  ARM: 8439/1: Fix backtrace generation when IPI is masked
  ARM: 8428/1: kgdb: Fix registers on sleeping tasks
  ARM: 8427/1: dma-mapping: add support for offset parameter in dma_mmap()
  ARM: 8426/1: dma-mapping: add missing range check in dma_mmap()
  ARM: remove user cmpxchg syscall
  ARM: 8438/1: Add unwinding to __clear_user_std()
  ARM: 8436/1: hw_breakpoint: remove unnecessary header
  ARM: 8434/2: Revert "7655/1: smp_twd: make twd_local_timer_of_register() no-op for nosmp"
  ARM: 8432/1: move VMALLOC_END from 0xff000000 to 0xff800000
  ARM: 8430/1: use default ioremap alignment for SMP or LPAE
  ...
2015-11-03 13:54:35 -08:00
Olof Johansson
156746b173 Samsung SoC updates for v4.4
- use PWM lookup table with pwm_add_table() for the following boards
   : s3c24xx h1940 and rx1950
   : s3c64xx smdk6410, crag6410, hmt and smartq
 - document: update bootloader interface on exynos542x
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Merge tag 'samsung-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc

Samsung SoC updates for v4.4

- use PWM lookup table with pwm_add_table() for the following boards
  : s3c24xx h1940 and rx1950
  : s3c64xx smdk6410, crag6410, hmt and smartq
- document: update bootloader interface on exynos542x

* tag 'samsung-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  Documentation: EXYNOS: Update bootloader interface on exynos542x
  ARM: S3C64XX: Use PWM lookup table for mach-smartq
  ARM: S3C64XX: Use PWM lookup table for mach-hmt
  ARM: S3C64XX: Use PWM lookup table for mach-crag6410
  ARM: S3C64XX: Use PWM lookup table for smdk6410
  ARM: S3C24XX: Use PWM lookup table for mach-rx1950
  ARM: S3C24XX: Use PWM lookup table for mach-h1940

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-10-26 10:18:41 +09:00
Krzysztof Kozlowski
97d5c7a77e Documentation: EXYNOS: Update bootloader interface on exynos542x
Update the documentation about:
1. Usage of PMU_SPARE2 register.
   Bootloaders on Exynos542x-based boards often use the register
   PMU_SPARE2 (0x908) in the same way as on Exynos3250: as a indicator
   the secondary CPU was booted on. The bootloader will set this value
   to non-zero, after sucessfull power up of secondary CPU. In the same
   time this booted CPU will stuck (spin) waiting for software reset.
2. Exynos542x entry address for secondary CPU boot up after system
   suspend (with MCPM enabled and in non-secure mode).

See arch/arm/mach-exynos/mcpm-exynos.c for source code.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-10-24 04:43:31 +09:00
Olof Johansson
fc1f61f1c0 Allwinner core changes for 4.4
Add support for the Allwinner R8 SoC used in the CHIP.
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Merge tag 'sunxi-core-for-4.4' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/soc

Allwinner core changes for 4.4

Add support for the Allwinner R8 SoC used in the CHIP.

* tag 'sunxi-core-for-4.4' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
  ARM: sunxi: Add R8 support

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-10-23 10:19:36 -07:00
Maxime Ripard
bef6229f36 ARM: sunxi: Add R8 support
The R8 is a new Allwinner SoC based on the A13. While both are very
similar, there's still a few differences. Introduce a new compatible to
deal with them.

In order to have a consistent naming, instead of mentioning the Allwinner
A series as the machine name, switch to sun4i/sun5i like what is done for
the other families.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
2015-10-17 18:47:28 +02:00
Ingo Molnar
790a2ee242 * Make the EFI System Resource Table (ESRT) driver explicitly
non-modular by ripping out the module_* code since Kconfig doesn't
    allow it to be built as a module anyway - Paul Gortmaker
 
  * Make the x86 efi=debug kernel parameter, which enables EFI debug
    code and output, generic and usable by arm64 - Leif Lindholm
 
  * Add support to the x86 EFI boot stub for 64-bit Graphics Output
    Protocol frame buffer addresses - Matt Fleming
 
  * Detect when the UEFI v2.5 EFI_PROPERTIES_TABLE feature is enabled
    in the firmware and set an efi.flags bit so the kernel knows when
    it can apply more strict runtime mapping attributes - Ard Biesheuvel
 
  * Auto-load the efi-pstore module on EFI systems, just like we
    currently do for the efivars module - Ben Hutchings
 
  * Add "efi_fake_mem" kernel parameter which allows the system's EFI
    memory map to be updated with additional attributes for specific
    memory ranges. This is useful for testing the kernel code that handles
    the EFI_MEMORY_MORE_RELIABLE memmap bit even if your firmware
    doesn't include support - Taku Izumi
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Merge tag 'efi-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi into core/efi

Pull v4.4 EFI updates from Matt Fleming:

  - Make the EFI System Resource Table (ESRT) driver explicitly
    non-modular by ripping out the module_* code since Kconfig doesn't
    allow it to be built as a module anyway. (Paul Gortmaker)

  - Make the x86 efi=debug kernel parameter, which enables EFI debug
    code and output, generic and usable by arm64. (Leif Lindholm)

  - Add support to the x86 EFI boot stub for 64-bit Graphics Output
    Protocol frame buffer addresses. (Matt Fleming)

  - Detect when the UEFI v2.5 EFI_PROPERTIES_TABLE feature is enabled
    in the firmware and set an efi.flags bit so the kernel knows when
    it can apply more strict runtime mapping attributes - Ard Biesheuvel

  - Auto-load the efi-pstore module on EFI systems, just like we
    currently do for the efivars module. (Ben Hutchings)

  - Add "efi_fake_mem" kernel parameter which allows the system's EFI
    memory map to be updated with additional attributes for specific
    memory ranges. This is useful for testing the kernel code that handles
    the EFI_MEMORY_MORE_RELIABLE memmap bit even if your firmware
    doesn't include support. (Taku Izumi)

Note: there is a semantic conflict between the following two commits:

  8a53554e12 ("x86/efi: Fix multiple GOP device support")
  ae2ee627dc ("efifb: Add support for 64-bit frame buffer addresses")

I fixed up the interaction in the merge commit, changing the type of
current_fb_base from u32 to u64.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-10-14 16:51:34 +02:00
Murali Karicheri
045016902b soc: ti: qmss: make acc queue support optional in the driver
acc channels are available only if accumulator PDSP is loaded and
running in the SoC. As this requires firmware and user may not have
firmware in the file system, make the accumulator queue support
available in qmss driver optional. To use accumulator queus user needs
to add firmware to the file system and boot up kernel.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2015-10-13 13:49:04 -07:00
Murali Karicheri
96ee19becc soc: ti: add firmware file name as part of the driver
Currently firmware file name is included in the DTS. This is not scalable
as user has to change the DTS if they need upgrade to a new firmware.
Instead, add the firmware file name in the driver itself. As long as there
is no API change, new firmware upgrade is easy and require no driver
change. User is expected to copy the firmware image to the file system
and add a sym link to the new firmware for doing an upgrade. Driver add
a array of firmware file names to search for the available firmware blobs.
This scheme also prepare the driver for future changes to API if ever
happens. In such case it is assumed that driver needs to change to
accommodate the new firmware and new firmware file name will get added to
the array.

Also update the DT document to remove the firmware attribute and add
description about firmware in the driver documentation.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2015-10-13 13:49:04 -07:00
Murali Karicheri
29204a8272 Documentation: dt: soc: Add description for knav qmss driver
Add documentation for knav qmss driver.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2015-10-13 13:49:04 -07:00
Tony Lindgren
d8e1f5ed11 Documentation: ARM: List new omap MMC requirements
Earlier the PBIAS regulator was optional, not so with recent
omap_hsmmc changes. To make things easier for people with
custom .config files, let's add minimal documentation for it
as suggested by Russell King <rmk+kernel@arm.linux.org.uk>.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2015-10-12 16:23:34 -07:00
Ard Biesheuvel
d4dddfdbbc arm64/efi: remove /chosen/linux, uefi-stub-kern-ver DT property
With the stub to kernel interface being promoted to a proper interface
so that other agents than the stub can boot the kernel proper in EFI
mode, we can remove the linux,uefi-stub-kern-ver field, considering
that its original purpose was to prevent this from happening in the
first place.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2015-10-12 16:19:33 +01:00
Leif Lindholm
c9494dc818 arm64: Use core efi=debug instead of uefi_debug command line parameter
Now that we have an efi=debug command line option in the core code, use
this instead of the arm64-specific uefi_debug option.

Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Mark Salter <msalter@redhat.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
2015-10-12 14:20:05 +01:00
Nicolas Pitre
ff5138f3af ARM: 8440/1: remove obsolete documentation
The Victor target has been removed from mainline long ago.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-10-09 16:22:52 +01:00
Nicolas Pitre
6ff0966052 ARM: 8432/1: move VMALLOC_END from 0xff000000 to 0xff800000
There is a 12MB unused region in our memory map between the vmalloc and
fixmap areas. This became unused with commit e9da6e9905, confirmed
with commit 64d3b6a3f4.

We also have a 8MB guard area before the vmalloc area.  With the default
240MB vmalloc area size and the current VMALLOC_END definition, that
means the end of low memory ends up at 0xef800000 which is unfortunate
for 768MB machines where 8MB of RAM is lost to himem.

Let's move VMALLOC_END to 0xff800000 so the guard area won't chop the
top of the 768MB low memory area while keeping the default vmalloc area
size unchanged and still preserving a gap between the vmalloc and fixmap
areas.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-09-22 08:13:57 +01:00
Linus Torvalds
50686e8a3a ARM: SoC platform updates for v4.3
New or improved SoC support:
 
 - Addition of support for Atmel's SAMA5D2 SoC
 - Addition of Freescale i.MX6UL
 - Improved support of TI's DM814x platform
 - Misc fixes and improvements for RockChip platforms
 - Marvell MVEBU suspend/resume support
 
 A few driver changes that ideally would belong in the drivers branch are
 also here (acked by appropriate maintainers):
 
 - Power key input driver for Freescale platforms (svns)
 - RTC driver updates for Freescale platforms (svns/mxc)
 - Clk fixes for TI DM814/816X
 
 + a bunch of other changes for various platforms
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "New or improved SoC support:

   - add support for Atmel's SAMA5D2 SoC
   - add support for Freescale i.MX6UL
   - improved support for TI's DM814x platform
   - misc fixes and improvements for RockChip platforms
   - Marvell MVEBU suspend/resume support

  A few driver changes that ideally would belong in the drivers branch
  are also here (acked by appropriate maintainers):

   - power key input driver for Freescale platforms (svns)
   - RTC driver updates for Freescale platforms (svns/mxc)
   - clk fixes for TI DM814/816X

  + a bunch of other changes for various platforms"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
  ARM: rockchip: pm: Fix PTR_ERR() argument
  ARM: imx: mach-imx6ul: Fix allmodconfig build
  clk: ti: fix for definition movement
  ARM: uniphier: drop v7_invalidate_l1 call at secondary entry
  memory: kill off set_irq_flags usage
  rtc: snvs: select option REGMAP_MMIO
  ARM: brcmstb: select ARCH_DMA_ADDR_T_64BIT for LPAE
  ARM: BCM: Enable ARM erratum 798181 for BRCMSTB
  ARM: OMAP2+: Fix power domain operations regression caused by 81xx
  ARM: rockchip: enable PMU_GPIOINT_WAKEUP_EN when entering shallow suspend
  ARM: rockchip: set correct stabilization thresholds in suspend
  ARM: rockchip: rename osc_switch_to_32k variable
  ARM: imx6ul: add fec MAC refrence clock and phy fixup init
  ARM: imx6ul: add fec bits to GPR syscon definition
  rtc: mxc: add support of device tree
  dt-binding: document the binding for mxc rtc
  rtc: mxc: use a second rtc clock
  ARM: davinci: cp_intc: use IRQCHIP_SKIP_SET_WAKE instead of irq_set_wake callback
  soc: mediatek: Fix SCPSYS compilation
  ARM: at91/soc: add basic support for new sama5d2 SoC
  ...
2015-09-01 12:18:40 -07:00
Linus Torvalds
e2701603f7 There's been a fair amount going on in the docs tree this time around,
including:
 
  - Support for reproducible document builds, from Ben Hutchings and
    company.
 
  - The ability to automatically generate cross-reference links within a
    single DocBook book and embedded descriptions for large structures.
    From Danilo Cesar Lemes de Paula.
 
  - A new document on how to add a system call from David Drysdale.
 
  - Chameleon bus documentation from Johannes Thumshirn.
 
 ...plus the usual collection of improvements, typo fixes, and more.
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Merge tag 'docs-for-linus' of git://git.lwn.net/linux-2.6

Pull documentation updates from Jonathan Corbet:
 "There's been a fair amount going on in the docs tree this time around,
  including:

   - Support for reproducible document builds, from Ben Hutchings and
     company.

   - The ability to automatically generate cross-reference links within
     a single DocBook book and embedded descriptions for large
     structures.  From Danilo Cesar Lemes de Paula.

   - A new document on how to add a system call from David Drysdale.

   - Chameleon bus documentation from Johannes Thumshirn.

  ...plus the usual collection of improvements, typo fixes, and more"

* tag 'docs-for-linus' of git://git.lwn.net/linux-2.6: (39 commits)
  Documentation, add kernel-parameters.txt entry for dis_ucode_ldr
  Documentation/x86: Rename IRQSTACKSIZE to IRQ_STACK_SIZE
  Documentation/Intel-IOMMU.txt: Modify definition of DRHD
  docs: update HOWTO for 3.x -> 4.x versioning
  kernel-doc: ignore unneeded attribute information
  scripts/kernel-doc: Adding cross-reference links to html documentation.
  DocBook: Fix non-determinstic installation of duplicate man pages
  Documentation: minor typo fix in mailbox.txt
  Documentation: describe how to add a system call
  doc: Add more workqueue functions to the documentation
  ARM: keystone: add documentation for SoCs and EVMs
  scripts/kernel-doc Allow struct arguments documentation in struct body
  SubmittingPatches: remove stray quote character
  Revert "DocBook: Avoid building man pages repeatedly and inconsistently"
  Documentation: Minor changes to men-chameleon-bus.txt
  Doc: fix trivial typo in SubmittingPatches
  MAINTAINERS: Direct Documentation/DocBook/media properly
  Documentation: installed man pages don't need to be executable
  fix Evolution submenu name in email-clients.txt
  Documentation: Add MCB documentation
  ...
2015-08-31 15:40:05 -07:00
Murali Karicheri
b325e832e9 ARM: keystone: add documentation for SoCs and EVMs
Currently there is no general documentation on Keystone SoCs in the
Linux Documentation folder of the source tree. This patch adds some
essential documentation with links to help users of Keystone Linux and
also provide links to existing documents where necessary.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-08-06 13:14:17 -06:00
Nicolas Ferre
c268a74310 ARM: at91/soc: add basic support for new sama5d2 SoC
Add Kconfig entries, header file changes and addition to the documentation.
The early debug infrastructure is also added for easy development.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-08-05 10:40:21 +02:00
Viresh Kumar
da89947b47 Update Viresh Kumar's email address
Switch to my kernel.org alias instead of a badly named gmail address,
which I rarely use.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-07-17 16:39:53 -07:00
Krzysztof Kozlowski
9ba6e988c7 Documentation: ARM: EXYNOS: Extend boot loader interface documentation
Extend the kernel-bootloader interface documentation with usage of
register INFORM1 (0x0804) and different CPU resume address on Exynos542x
family (with Multi-Cluster Power Management enabled).

Additionally add glossary and reformat section titles.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-07-10 13:59:35 -06:00
Kevin Hilman
d024bae2c4 Allwinner late changes for 4.2
A bunch of defconfig changes, and some patches to make the Allwinner H3 and
 A33 boot properly.
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Merge tag 'sunxi-late-for-4.2' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into fixes

Merge "Allwinner late changes for 4.2" from Maxime Ripard:

Allwinner late changes for 4.2

A bunch of defconfig changes, and some patches to make the Allwinner H3 and
A33 boot properly.

* tag 'sunxi-late-for-4.2' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
  ARM: sunxi: Enable simplefb in the defconfig
  ARM: Remove deprecated symbol from defconfig files
  ARM: sunxi: Add Machine support for A33
  ARM: sunxi: Introduce Allwinner H3 support
  Documentation: sunxi: Update Allwinner SoC documentation
2015-07-09 15:08:44 -07:00
Jens Kuske
d90a45b1e0 Documentation: sunxi: Update Allwinner SoC documentation
There are some new Allwinner SoCs available, namely A33, A83T and H3.
Update the documentation to mention those and the related documents.

Signed-off-by: Jens Kuske <jenskuske@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2015-07-05 16:33:54 +02:00
Linus Torvalds
f5dcb68086 ARM: SoC: driver updates for v4.2
Some of these are for drivers/soc, where we're now putting
 SoC-specific drivers these days. Some are for other driver subsystems
 where we have received acks from the appropriate maintainers.
 
 Some highlights:
 
 - simple-mfd: document DT bindings and misc updates
 - migrate mach-berlin to simple-mfd for clock, pinctrl and reset
 - memory: support for Tegra132 SoC
 - memory: introduce tegra EMC driver for scaling memory frequency
 - misc. updates for ARM CCI and CCN busses
 
  Conflicts:
 	arch/arm64/boot/dts/arm/juno-motherboard.dtsi
 
  Trivial add/add conflict with our dt branch.
  Resolution: take both sides.
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Kevin Hilman:
 "Some of these are for drivers/soc, where we're now putting
  SoC-specific drivers these days.  Some are for other driver subsystems
  where we have received acks from the appropriate maintainers.

  Some highlights:

   - simple-mfd: document DT bindings and misc updates
   - migrate mach-berlin to simple-mfd for clock, pinctrl and reset
   - memory: support for Tegra132 SoC
   - memory: introduce tegra EMC driver for scaling memory frequency
   - misc. updates for ARM CCI and CCN busses"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits)
  drivers: soc: sunxi: Introduce SoC driver to map SRAMs
  arm-cci: Add aliases for PMU events
  arm-cci: Add CCI-500 PMU support
  arm-cci: Sanitise CCI400 PMU driver specific code
  arm-cci: Abstract handling for CCI events
  arm-cci: Abstract out the PMU counter details
  arm-cci: Cleanup PMU driver code
  arm-cci: Do not enable CCI-400 PMU by default
  firmware: qcom: scm: Add HDCP Support
  ARM: berlin: add an ADC node for the BG2Q
  ARM: berlin: remove useless chip and system ctrl compatibles
  clk: berlin: drop direct of_iomap of nodes reg property
  ARM: berlin: move BG2Q clock node
  ARM: berlin: move BG2CD clock node
  ARM: berlin: move BG2 clock node
  clk: berlin: prepare simple-mfd conversion
  pinctrl: berlin: drop SoC stub provided regmap
  ARM: berlin: move pinctrl to simple-mfd nodes
  pinctrl: berlin: prepare to use regmap provided by syscon
  reset: berlin: drop arch_initcall initialization
  ...
2015-06-26 11:54:29 -07:00
Linus Torvalds
4aa705b18b ARM: SoC: platform support for v4.2
Our SoC branch usually contains expanded support for new SoCs and
 other core platform code. Some highlights from this round:
 
 - sunxi: SMP support for A23 SoC
 - socpga: big-endian support
 - pxa: conversion to common clock framework
 - bcm: SMP support for BCM63138
 - imx: support new I.MX7D SoC
 - zte: basic support for ZX296702 SoC
 
  Conflicts:
 	arch/arm/mach-socfpga/core.h
 
 Trivial remove/remove conflict with our cleanup branch.
 Resolution: remove both sides
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform support updates from Kevin Hilman:
 "Our SoC branch usually contains expanded support for new SoCs and
  other core platform code.  Some highlights from this round:

   - sunxi: SMP support for A23 SoC
   - socpga: big-endian support
   - pxa: conversion to common clock framework
   - bcm: SMP support for BCM63138
   - imx: support new I.MX7D SoC
   - zte: basic support for ZX296702 SoC"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (134 commits)
  ARM: zx: Add basic defconfig support for ZX296702
  ARM: dts: zx: add an initial zx296702 dts and doc
  clk: zx: add clock support to zx296702
  dt-bindings: Add #defines for ZTE ZX296702 clocks
  ARM: socfpga: fix build error due to secondary_startup
  MAINTAINERS: ARM64: EXYNOS: Extend entry for ARM64 DTS
  ARM: ep93xx: simone: support for SPI-based MMC/SD cards
  MAINTAINERS: update Shawn's email to use kernel.org one
  ARM: socfpga: support suspend to ram
  ARM: socfpga: add CPU_METHOD_OF_DECLARE for Arria 10
  ARM: socfpga: use CPU_METHOD_OF_DECLARE for socfpga_cyclone5
  ARM: EXYNOS: register power domain driver from core_initcall
  ARM: EXYNOS: use PS_HOLD based poweroff for all supported SoCs
  ARM: SAMSUNG: Constify platform_device_id
  ARM: EXYNOS: Constify irq_domain_ops
  ARM: EXYNOS: add coupled cpuidle support for Exynos3250
  ARM: EXYNOS: add exynos_get_boot_addr() helper
  ARM: EXYNOS: add exynos_set_boot_addr() helper
  ARM: EXYNOS: make exynos_core_restart() less verbose
  ARM: EXYNOS: fix exynos_boot_secondary() return value on timeout
  ...
2015-06-26 11:34:35 -07:00
Masanari Iida
ae13c65bc7 Doc: Change wikipedia's URL from http to https
Recently wikipedia announced to secure access to the servers.
Now all http access re-route to https.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-22 10:14:05 -06:00
Krzysztof Kozlowski
a28ab162bd Documentation: ARM: EXYNOS: Describe boot loaders interface
Various boot loaders for Exynos based boards use certain memory
addresses during booting for different purposes. Mostly this is one of
following :
1. as a CPU boot address,
2. for storing magic cookie related to low power mode (AFTR, sleep).

The document, based solely on kernel source code, tries to group the
information scattered over different files. This would help in the
future when adding support for new SoC or when extending features
related to low power modes.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-06-08 16:39:54 -06:00
Maxime Coquelin
9b799b7837 ARM: Add STM32 family machine
STMicrolectronics's STM32 series is a family of Cortex-M
microcontrollers. It is used in various applications, and
proposes a wide range of peripherals.

Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-05-15 21:43:23 +02:00
Pawel Moll
8f06c51fac bus: arm-ccn: Provide required event arguments
Since 688d4dfcdd "perf tools: Support
parsing parameterized events" the perf userspace tools understands
"argument=?" syntax in the events file, making sure that required
arguments are provided by the user and not defaulting to 0, causing
confusion.

This patch adds the required arguments lists for CCN events.

Signed-off-by: Pawel Moll <pawel.moll@arm.com>
2015-05-01 17:51:03 +01:00
Pawel Moll
ffa415245b bus: arm-ccn: cpumask attribute
This patch adds a "cpumask" attribute to CCN's event_source class sysfs
directory. Perf user tool uses it to restrict events to the
processor(s) enumerated in this mask.

This patch provides a single CPU mask, making it possible to run "-a"
perf session (previously it would request the same CCN event, for
example cycle counter, on each available core and most likely fail).
Initially the mask is set to the CPU that happened to probe the driver,
but it will be changed when it is hot-un-plugged (active events are
migrated to another CPU then).

Example:

 Performance counter stats for 'system wide':

CPU0               2968148      cycles
CPU1               2236736      cycles
CPU2               1797968      cycles
CPU3               1831715      cycles
CPU1            1201850868      ccn/cycles/

       1.001241383 seconds time elapsed

Signed-off-by: Pawel Moll <pawel.moll@arm.com>
2015-05-01 17:51:01 +01:00
Linus Torvalds
e5ac320de1 ARM: SoC multiplatform code changes for v4.1
The changes here belong to two main platforms:
 
 - Atmel At91 is flipping the bit and going multiplatform. This includes some
   cleanups and removal of code, and the final flip of config dependencies
 
 - Shmobile has several platforms that are going multiplatform, but this
   branch also contains a bunch of cleanups that they weren't able to keep
   separate in a good way. THere's also a removal of one of their SoCs and the
   corresponding boards (sh7372 and mackerel).
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Merge tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC multiplatform code changes from Olof Johansson:
 "The changes here belong to two main platforms:

   - Atmel At91 is flipping the bit and going multiplatform.  This
     includes some cleanups and removal of code, and the final flip of
     config dependencies

   - Shmobile has several platforms that are going multiplatform, but
     this branch also contains a bunch of cleanups that they weren't
     able to keep separate in a good way.  THere's also a removal of one
     of their SoCs and the corresponding boards (sh7372 and mackerel)"

* tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (67 commits)
  ARM: at91/pm: move AT91_MEMCTRL_* to pm.h
  ARM: at91/pm: move the standby functions to pm.c
  ARM: at91: fix pm_suspend.S compilation when ARMv6 is selected
  ARM: at91: add a Kconfig dependency on multi-platform
  ARM: at91: drop AT91_TIMER_HZ
  ARM: at91: remove hardware.h
  ARM: at91: remove SoC headers
  ARM: at91: remove useless mach/cpu.h
  ARM: at91: remove unused headers
  ARM: at91: switch at91_dt_defconfig to multiplatform
  ARM: at91: switch to multiplatform
  ARM: shmobile: r8a7778: enable multiplatform target
  ARM: shmobile: bockw: add sound to DT
  ARM: shmobile: r8a7778: add sound to DT
  ARM: shmobile: bockw: add devices hooked up to i2c0 to DT
  DT: i2c: add trivial binding for OKI ML86V7667 video decoder
  ARM: shmobile: r8a7778: common clock framework CPG driver
  ARM: shmobile: bockw dts: set extal clock frequency
  ARM: shmobile: bockw dts: Move Ethernet node to BSC
  ARM: shmobile: r8a73a4: Remove legacy code
  ...
2015-04-22 09:20:15 -07:00
Linus Torvalds
e6c81cce56 ARM: SoC platform updates for v4.1
Our SoC branch usually contains expanded support for new SoCs and other core
 platform code. In this case, that includes:
 
 - Support for the new Annapurna Labs "Alpine" platform
 - A rework greatly simplifying adding new platform support to the MCPM
   subsystem (Multi-cluster power management)
 - Cpuidle and PM improvements for Exynos3250
 - Misc updates for Renesas, OMAP, Meson, i.MX. Some of these could have
   gone in other branches but ended up here for various reasons.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Olof Johansson:
 "Our SoC branch usually contains expanded support for new SoCs and
  other core platform code.  In this case, that includes:

   - support for the new Annapurna Labs "Alpine" platform

   - a rework greatly simplifying adding new platform support to the
     MCPM subsystem (Multi-cluster power management)

   - cpuidle and PM improvements for Exynos3250

   - misc updates for Renesas, OMAP, Meson, i.MX.  Some of these could
     have gone in other branches but ended up here for various reasons"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
  ARM: alpine: add support for generic pci
  ARM: Exynos: migrate DCSCB to the new MCPM backend abstraction
  ARM: vexpress: migrate DCSCB to the new MCPM backend abstraction
  ARM: vexpress: DCSCB: tighten CPU validity assertion
  ARM: vexpress: migrate TC2 to the new MCPM backend abstraction
  ARM: MCPM: move the algorithmic complexity to the core code
  ARM: EXYNOS: allow cpuidle driver usage on Exynos3250 SoC
  ARM: EXYNOS: add AFTR mode support for Exynos3250
  ARM: EXYNOS: add code for setting/clearing boot flag
  ARM: EXYNOS: fix CPU1 hotplug on Exynos3250
  ARM: S3C64XX: Use fixed IRQ bases to avoid conflicts on Cragganmore
  ARM: cygnus: fix const declaration bcm_cygnus_dt_compat
  ARM: DRA7: hwmod: Fix the hwmod class for GPTimer4
  ARM: DRA7: hwmod: Add data for GPTimers 13 through 16
  ARM: EXYNOS: Remove left over 'extra_save'
  ARM: EXYNOS: Constify exynos_pm_data array
  ARM: EXYNOS: use static in suspend.c
  ARM: EXYNOS: Use platform device name as power domain name
  ARM: EXYNOS: add support for async-bridge clocks for pm_domains
  ARM: omap-device: add missed callback for suspend-to-disk
  ...
2015-04-22 09:08:39 -07:00
Linus Torvalds
d0440c59f5 ARM: SoC cleanups for v4.1
We've got a fairly large cleanup branch this time. The bulk of this is removal
 of non-DT platforms of several flavors:
 
 - Atmel at91 platforms go full-DT, with removal of remaining board-file based
   support
 - OMAP removes legacy board files for three more platforms
 - Removal of non-DT mach-msm, newer Qualcomm platforms now live in mach-qcom
 - Freescale i.MX25 also removes non-DT platform support
 
 Most of the rest of the changes here are fallout from the above, i.e. for
 example removal of drivers that now lack platforms, etc.
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "We've got a fairly large cleanup branch this time.  The bulk of this
  is removal of non-DT platforms of several flavors:

   - Atmel at91 platforms go full-DT, with removal of remaining
     board-file based support

   - OMAP removes legacy board files for three more platforms

   - removal of non-DT mach-msm, newer Qualcomm platforms now live in
     mach-qcom

   - Freescale i.MX25 also removes non-DT platform support"

Most of the rest of the changes here are fallout from the above, i.e. for
example removal of drivers that now lack platforms, etc.

* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (58 commits)
  mmc: Remove msm_sdcc driver
  gpio: Remove gpio-msm-v1 driver
  ARM: Remove mach-msm and associated ARM architecture code
  ARM: shmobile: cpuidle: Remove the pointless default driver
  ARM: davinci: dm646x: Add interrupt resource for McASPs
  ARM: davinci: irqs: Correct McASP1 TX interrupt definition for DM646x
  ARM: davinci: dm646x: Clean up the McASP DMA resources
  ARM: davinci: devices-da8xx: Add support for McASP2 on da830
  ARM: davinci: devices-da8xx: Clean up and correct the McASP device creation
  ARM: davinci: devices-da8xx: Add interrupt resource to McASP structs
  ARM: davinci: devices-da8xx: Add resource name for the McASP DMA request
  ARM: OMAP2+: Remove legacy support for omap3 TouchBook
  ARM: OMAP3: Remove legacy support for devkit8000
  ARM: OMAP3: Remove legacy support for EMA-Tech Stalker board
  ARM: shmobile: Consolidate the pm code for R-Car Gen2
  ARM: shmobile: r8a7791: Correct SYSCIER value
  ARM: shmobile: r8a7790: Correct SYSCIER value
  ARM: at91: remove old setup
  ARM: at91: sama5d4: remove useless map_io
  ARM: at91: sama5 use SoC detection infrastructure
  ...
2015-04-22 09:04:39 -07:00
Stephen Boyd
c0c89fafa2 ARM: Remove mach-msm and associated ARM architecture code
The maintainers for mach-msm no longer have any plans to support
or test the platforms supported by this architecture[1]. Most likely
there aren't any active users of this code anyway, so let's
delete it.

[1] http://lkml.kernel.org/r/20150307031212.GA8434@fifo99.com
Cc: David Brown <davidb@codeaurora.org>
Cc: Bryan Huntsman <bryanh@codeaurora.org>
Cc: Daniel Walker <dwalker@fifo99.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>
2015-03-27 11:31:02 -05:00
Thomas Petazzoni
0d9ab18e33 Documentation: arm: update supported Marvell EBU processors
Now that we support Armada 39x, let's add this family of SoC to the
Marvell documentation, and a reference to a link with more details
about those processors. Unfortunately, no datasheet is publicly
available at this time.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
2015-03-04 15:35:43 +01:00
Gregory Fong
dce12391d7 Documentation: arm: Update for DT-only platforms
The documentation specified that a machine type is mandatory and made
that assumption in a few places.  However, for DT-only platforms, the
current advice is that no machine type should be registered, so update
accordingly.

Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2015-02-27 14:54:55 -07:00
Magnus Damm
c6535e1e03 Documentation: Remove ZBOOT MMC/SDHI utility and docs
Remove ZBOOT MMC/SDHI Documentation for sh7372 together
wit the vrl4 utility. Without sh7372 and Mackerel support
these files are no longer useful.

Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2015-02-24 06:45:25 +09:00
Linus Torvalds
878ba61aa9 ARM: SoC platform changes
New and updated SoC support. Also included are some cleanups where the
 platform maintainers hadn't separated cleanups from new developent in
 separate branches.
 
 Some of the larger things worth pointing out:
 
 - A large set of changes from Alexandre Belloni and Nicolas Ferre
   preparing at91 platforms for multiplatform and cleaning up quite a
   bit in the process.
 - Removal of CSR's "Marco" SoC platform that never made it out to the
   market. We love seeing these since it means the vendor published
   support before product was out, which is exactly what we want!
 
 New platforms this release are:
 
 - Conexant Digicolor (CX92755 SoC)
 - Hisilicon HiP01 SoC
 - CSR/sirf Atlas7 SoC
 - ST STiH418 SoC
 - Common code changes for Nvidia Tegra132 (64-bit SoC)
 
 We're seeing more and more platforms having a harder time labelling
 changes as cleanups vs new development -- which is a good sign that
 we've come quite far on the cleanup effort. So over time we might start
 combining the cleanup and new-development branches more.
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform changes from Olof Johansson:
 "New and updated SoC support.  Also included are some cleanups where
  the platform maintainers hadn't separated cleanups from new developent
  in separate branches.

  Some of the larger things worth pointing out:

   - A large set of changes from Alexandre Belloni and Nicolas Ferre
     preparing at91 platforms for multiplatform and cleaning up quite a
     bit in the process.

   - Removal of CSR's "Marco" SoC platform that never made it out to the
     market.  We love seeing these since it means the vendor published
     support before product was out, which is exactly what we want!

  New platforms this release are:

   - Conexant Digicolor (CX92755 SoC)
   - Hisilicon HiP01 SoC
   - CSR/sirf Atlas7 SoC
   - ST STiH418 SoC
   - Common code changes for Nvidia Tegra132 (64-bit SoC)

  We're seeing more and more platforms having a harder time labelling
  changes as cleanups vs new development -- which is a good sign that
  we've come quite far on the cleanup effort.  So over time we might
  start combining the cleanup and new-development branches more"

* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (124 commits)
  ARM: at91/trivial: unify functions and machine names
  ARM: at91: remove at91_dt_initialize and machine init_early()
  ARM: at91: change board files into SoC files
  ARM: at91: remove at91_boot_soc
  ARM: at91: move alternative initial mapping to board-dt-sama5.c
  ARM: at91: merge all SOC_AT91SAM9xxx
  ARM: at91: at91rm9200: set idle and restart from rm9200_dt_device_init()
  ARM: digicolor: select syscon and timer
  ARM: zynq: Simplify SLCR initialization
  ARM: zynq: PM: Fixed simple typo.
  ARM: zynq: Setup default gpio number for Xilinx Zynq
  ARM: digicolor: add low level debug support
  ARM: initial support for Conexant Digicolor CX92755 SoC
  ARM: OMAP2+: Add dm816x hwmod support
  ARM: OMAP2+: Add clock domain support for dm816x
  ARM: OMAP2+: Add board-generic.c entry for ti81xx
  ARM: at91: pm: remove warning to remove SOC_AT91SAM9263 usage
  ARM: at91: remove unused mach/system_rev.h
  ARM: at91: stop using HAVE_AT91_DBGUx
  ARM: at91: fix ordering of SRAM and PM initialization
  ...
2015-02-17 09:27:54 -08:00
Linus Torvalds
ea7531ac4a ARM: SoC cleanups
This is a good healthy set of various code removals. Total net delta is 8100
 lines removed.
 
 Among the larger cleanups are:
 
 - Removal of old Samsung S3C DMA infrastructure by Arnd
 - Removal of the non-DT version of the 'lager' board by Magnus Damm
 - General stale code removal on OMAP and Davinci by Rickard Strandqvist
 - Removal of non-DT support on am3517 platforms by Tony Lindgren
 
 ... plus several other cleanups of various platforms across the board.
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Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "This is a good healthy set of various code removals.  Total net delta
  is 8100 lines removed.

  Among the larger cleanups are:

   - Removal of old Samsung S3C DMA infrastructure by Arnd
   - Removal of the non-DT version of the 'lager' board by Magnus Damm
   - General stale code removal on OMAP and Davinci by Rickard Strandqvist
   - Removal of non-DT support on am3517 platforms by Tony Lindgren

  ... plus several other cleanups of various platforms across the board"

* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (47 commits)
  ARM: sirf: drop redundant function and marco declaration
  arm: omap: specify PMUs are for ARMv7 CPUs
  arm: shmobile: specify PMUs are for ARMv7 CPUs
  arm: iop: specify PMUs are for XScale CPUs
  arm: pxa: specify PMUs are for XScale CPUs
  arm: realview: specify PMU types
  ARM: SAMSUNG: remove unused DMA infrastructure
  ARM: OMAP3: Add back Kconfig option MACH_OMAP3517EVM for ASoC
  ARM: davinci: Remove CDCE949 driver
  ARM: at91: remove useless at91rm9200_set_type()
  ARM: at91: remove useless at91rm9200_dt_initialize()
  ARM: at91: move debug-macro.S into the common space
  ARM: at91: remove useless at91_sysirq_mask_rtx
  ARM: at91: remove useless config MACH_AT91SAM9_DT
  ARM: at91: remove useless config MACH_AT91RM9200_DT
  ARM: at91: remove unused mach/memory.h
  ARM: at91: remove useless header file includes
  ARM: at91: remove unneeded header file
  rtc: at91/Kconfig: remove useless options
  ARM: at91/Documentation: add a README for Atmel SoCs
  ...
2015-02-17 09:17:33 -08:00
Olof Johansson
d073d7a146 Samsung cleanup for v3.20
- remove i2c sys configuration from mach-exynos/
   : all related codes moved into i2c driver
 - remove Samsung specific DMA
   : every Samsung stuff uses dmaengine APIs
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Merge tag 'samsung-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup

Merge "Samsung cleanup for v3.20" from Kukjin Kim:

- remove i2c sys configuration from mach-exynos/
  : all related codes moved into i2c driver
- remove Samsung specific DMA
  : every Samsung stuff uses dmaengine APIs

* tag 'samsung-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: SAMSUNG: remove unused DMA infrastructure
  ARM: EXYNOS: Remove i2c sys configuration related code

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-01-29 13:52:52 -08:00