Lots of changes specific to one of the SoC families. Some that
stick out are:
* mach-qcom gains new features, most importantly SMP support for
the newer chips (Stephen Boyd, Rohit Vaswani)
* mvebu gains support for three new SoCs: Armada 375, 380 and 385
(Thomas Petazzoni and Free-electrons team)
* SMP support for Rockchips (Heiko Stübner)
* Lots of i.MX changes (Shawn Guo)
* Added support for BCM5301x SoC (Hauke Mehrtens)
* Multiplatform support for Marvell Kirkwood and Dove
(Andrew Lunn and Sebastian Hesselbarth doing the final part
of a long journey)
* Unify davinci platforms and remove obsolete ones (Sekhar Nori,
Arnd Bergmann)
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Merge tag 'soc-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC specific changes from Arnd Bergmann:
"Lots of changes specific to one of the SoC families. Some that stick
out are:
- mach-qcom gains new features, most importantly SMP support for the
newer chips (Stephen Boyd, Rohit Vaswani)
- mvebu gains support for three new SoCs: Armada 375, 380 and 385
(Thomas Petazzoni and Free-electrons team)
- SMP support for Rockchips (Heiko Stübner)
- Lots of i.MX changes (Shawn Guo)
- Added support for BCM5301x SoC (Hauke Mehrtens)
- Multiplatform support for Marvell Kirkwood and Dove (Andrew Lunn
and Sebastian Hesselbarth doing the final part of a long journey)
- Unify davinci platforms and remove obsolete ones (Sekhar Nori, Arnd
Bergmann)"
* tag 'soc-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (126 commits)
ARM: sunxi: Select HAVE_ARM_ARCH_TIMER
ARM: cache-tauros2: remove ARMv6 code
ARM: mvebu: don't select CONFIG_NEON
ARM: davinci: fix DT booting with default defconfig
ARM: configs: bcm_defconfig: enable bcm590xx regulator support
ARM: davinci: remove tnetv107x support
MAINTAINERS: Update ARM STi maintainers
ARM: restrict BCM_KONA_UART to ARCH_BCM_MOBILE
ARM: bcm21664: Add board support.
ARM: sunxi: Add the new watchog compatibles to the reboot code
ARM: enable ARM_HAS_SG_CHAIN for multiplatform
ARM: davinci: remove da8xx_omapl_defconfig
ARM: davinci: da8xx: fix multiple watchdog device registration
ARM: davinci: add da8xx specific configs to davinci_all_defconfig
ARM: davinci: enable da8xx build concurrently with older devices
ARM: BCM5301X: workaround suppress fault
ARM: BCM5301X: add early debugging support
ARM: BCM5301X: initial support for the BCM5301X/BCM470X SoCs with ARM CPU
ARM: mach-bcm: Remove GENERIC_TIME
ARM: shmobile: APMU: Fix warnings due to improper printk formats
...
These cleanup patches are mainly move stuff around and should all
be harmless. They are mainly split out so that other branches can
be based on top to avoid conflicts.
Notable changes are:
* We finally remove all mach/timex.h, after CLOCK_TICK_RATE is no
longer used. (Uwe Kleine-König)
* The Qualcomm MSM platform is split out into legacy mach-msm and
new-style mach-qcom, to allow easier maintainance of the new
hardware support without regressions. (Kumar Gala)
* A rework of some of the Kconfig logic to simplify multiplatform
support (Rob Herring)
* Samsung Exynos gets closer to supporting multiplatform (Sachin
Kamat and others)
* mach-bcm3528 gets merged into mach-bcm (Stephen Warren)
* at91 gains some common clock framework support (Alexandre Belloni,
Jean-Jacques Hiblot and other French people).
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Merge tag 'cleanup-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Arnd Bergmann:
"These cleanup patches are mainly move stuff around and should all be
harmless. They are mainly split out so that other branches can be
based on top to avoid conflicts.
Notable changes are:
- We finally remove all mach/timex.h, after CLOCK_TICK_RATE is no
longer used (Uwe Kleine-König)
- The Qualcomm MSM platform is split out into legacy mach-msm and
new-style mach-qcom, to allow easier maintainance of the new
hardware support without regressions (Kumar Gala)
- A rework of some of the Kconfig logic to simplify multiplatform
support (Rob Herring)
- Samsung Exynos gets closer to supporting multiplatform (Sachin
Kamat and others)
- mach-bcm3528 gets merged into mach-bcm (Stephen Warren)
- at91 gains some common clock framework support (Alexandre Belloni,
Jean-Jacques Hiblot and other French people)"
* tag 'cleanup-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (89 commits)
ARM: hisi: select HAVE_ARM_SCU only for SMP
ARM: efm32: allow uncompress debug output
ARM: prima2: build reset code standalone
ARM: at91: add PWM clock
ARM: at91: move sam9261 SoC to common clk
ARM: at91: prepare common clk transition for sam9261 SoC
ARM: at91: updated the at91_dt_defconfig with support for the ADS7846
ARM: at91: dt: sam9261: Device Tree support for the at91sam9261ek
ARM: at91: dt: defconfig: Added the sam9261 to the list of DT-enabled SOCs
ARM: at91: dt: Add at91sam9261 dt SoC support
ARM: at91: switch sam9rl to common clock framework
ARM: at91/dt: define main clk frequency of at91sam9rlek
ARM: at91/dt: define at91sam9rl clocks
ARM: at91: prepare common clk transition for sam9rl SoCs
ARM: at91: prepare sam9 dt boards transition to common clk
ARM: at91: dt: sam9rl: Device Tree for the at91sam9rlek
ARM: at91/defconfig: Add the sam9rl to the list of DT-enabled SOCs
ARM: at91: Add at91sam9rl DT SoC support
ARM: at91: prepare at91sam9rl DT transition
ARM: at91/defconfig: refresh at91sam9260_9g20_defconfig
...
Lots of isolated bug fixes that were not found to be important
enough to be submitted before the merge window or backported
into stable kernels.
The vast majority of these came out of Arnd's randconfig testing
and just prevents running into build-time bugs in configurations
that we do not care about in practice.
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Merge tag 'fixes-non-critical-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC non-critical bug fixes from Arnd Bergmann:
"Lots of isolated bug fixes that were not found to be important enough
to be submitted before the merge window or backported into stable
kernels.
The vast majority of these came out of Arnd's randconfig testing and
just prevents running into build-time bugs in configurations that we
do not care about in practice"
* tag 'fixes-non-critical-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (75 commits)
ARM: at91: fix a typo
ARM: moxart: fix CPU selection
ARM: tegra: fix board DT pinmux setup
ARM: nspire: Fix compiler warning
IXP4xx: Fix DMA masks.
Revert "ARM: ixp4xx: Make dma_set_coherent_mask common, correct implementation"
IXP4xx: Fix Goramo Multilink GPIO conversion.
Revert "ARM: ixp4xx: fix gpio rework"
ARM: tegra: make debug_ll code build for ARMv6
ARM: sunxi: fix build for THUMB2_KERNEL
ARM: exynos: add missing include of linux/module.h
ARM: exynos: fix l2x0 saved regs handling
ARM: samsung: select CRC32 for SAMSUNG_PM_CHECK
ARM: samsung: select ATAGS where necessary
ARM: samsung: fix SAMSUNG_PM_DEBUG Kconfig logic
ARM: samsung: allow serial driver to be disabled
ARM: s5pv210: enable IDE support in MACH_TORBRECK
ARM: s5p64x0: fix building with only one soc type
ARM: s3c64xx: select power domains only when used
ARM: s3c64xx: MACH_SMDK6400 needs HSMMC1
...
CONFIG_NEON is meant to be user-selectable. Turning it on
unconditionally means we can't build a smaller kernel when
we don't need it, and causes build errors if CONFIG_VFP
is not also enabled.
To still have neon enabled however, we need to turn it on
now in multi_v7_defconfig and mvebu_v7_defconfig.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Gregory Clement <gregory.clement@free-electrons.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
The definition for SIGBUS may not be visible without including
linux/signal.h, as I found during randconfig testing.
Adding an explicit include is certainly the right thing to do.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Gregory Clement <gregory.clement@free-electrons.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
- dove
- move devicetree code from mach-dove/ to mach-mvebu/ :-)
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Merge tag 'mvebu-soc-3.15-3' of git://git.infradead.org/linux-mvebu into next/soc
Merge "mvebu soc changes for v3.15 (incremental #3)" from Jason Cooper:
- dove
- move devicetree code from mach-dove/ to mach-mvebu/ :-)
* tag 'mvebu-soc-3.15-3' of git://git.infradead.org/linux-mvebu:
ARM: mvebu: move DT Dove to MVEBU
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- mvebu
- Add Armada 375, 380 and 385 SoCs
- kirkwood
- move kirkwood DT support to mach-mvebu
- add mostly DT support for HP T5325 thin client
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Merge tag 'mvebu-soc-3.15-2' of git://git.infradead.org/linux-mvebu into next/soc
Merge "mvebu soc changes for v3.15 (incremental pull #2)" from Jason Cooper:
- mvebu
- Add Armada 375, 380 and 385 SoCs
- kirkwood
- move kirkwood DT support to mach-mvebu
- add mostly DT support for HP T5325 thin client
* tag 'mvebu-soc-3.15-2' of git://git.infradead.org/linux-mvebu:
ARM: kirkwood: Add HP T5325 thin client
ARM: kirkwood: select dtbs based on SoC
ARM: kirkwood: Remove redundant kexec code
ARM: mvebu: Armada 375/38x depend on MULTI_V7
ARM: mvebu: Simplify headers and make local
ARM: mvebu: Enable mvebu-soc-id on Kirkwood
ARM: mvebu: Let kirkwood use the system controller for restart
ARM: mvebu: Move kirkwood DT boards into mach-mvebu
ARM: MM Enable building Feroceon L2 cache controller with ARCH_MVEBU
ARM: Fix default CPU selection for ARCH_MULTI_V5
ARM: MM: Add DT binding for Feroceon L2 cache
ARM: orion: Move cache-feroceon-l2.h out of plat-orion
ARM: mvebu: Add ARCH_MULTI_V7 to SoCs
ARM: kirkwood: ioremap memory control register
ARM: kirkwood: ioremap the cpu_config register before using it.
ARM: kirkwood: Separate board-dt from common and pcie code.
ARM: kirkwood: Drop printing the SoC type and revision
ARM: kirkwood: Convert mv88f6281gtw_ge switch setup to DT
ARM: kirkwood: Give pm.c its own header file.
ARM: mvebu: Rename the ARCH_MVEBU menu option
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Support suspend from ocram (DDR IO floating) for imx6 platforms
- Add cpuidle support for imx6sl
- Sparse warning fixes for imx6sl and vf610 clock code
- Remove PWM platform code
- Support ptp and rmii clock from pad
- Support WEIM CS GPR configuration
- Random cleanups and defconfig updates
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Merge tag 'imx-soc-3.15' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc
i.MX SoC changes for 3.15 from Shawn Guo:
- Support suspend from ocram (DDR IO floating) for imx6 platforms
- Add cpuidle support for imx6sl
- Sparse warning fixes for imx6sl and vf610 clock code
- Remove PWM platform code
- Support ptp and rmii clock from pad
- Support WEIM CS GPR configuration
- Random cleanups and defconfig updates
* tag 'imx-soc-3.15' of git://git.linaro.org/people/shawnguo/linux-2.6: (373 commits)
ARM: imx6: drop .text.head section annotation from headsmp.S
ARM: imx6: build suspend-imx6.o with CONFIG_SOC_IMX6
ARM: imx6: rename pm-imx6q.c to pm-imx6.c
ARM: imx6: introduce CONFIG_SOC_IMX6 for i.MX6 common stuff
ARM: imx6: do not call imx6q_suspend_init() with !CONFIG_SUSPEND
ARM: imx6: call suspend_set_ops() from suspend routine
ARM: imx6: build headsmp.o only on CONFIG_SMP
ARM: imx6: move v7_cpu_resume() into suspend-imx6.S
ARM i.MX6q: Mark VPU and IPU AXI transfers as cacheable, increase IPU priority
ARM: imx6q: Add GPR6 and GPR7 register definitions for iomuxc gpr
bus: imx-weim: support CS GPR configuration
ARM: mach-imx: Kconfig: Remove IMX_HAVE_PLATFORM_IMX2_WDT from SOC_IMX53
ARM: imx_v6_v7_defconfig: Select CONFIG_DEBUG_FS
ARM: mach-imx: Select CONFIG_SRAM at ARCH_MXC level
ARM: imx: add speed grading check for i.mx6 soc
ARM: imx: avoid calling clk APIs in idle thread which may cause schedule
ARM: imx6q: support ptp and rmii clock from pad
ARM: imx6q: remove unneeded clk lookups
ARM: imx_v6_v7_defconfig: Select CONFIG_MMC_UNSAFE_RESUME
ARM: imx_v4_v5_defconfig: Select CONFIG_MMC_UNSAFE_RESUME
...
With all the DT support preparation done, we are able to move Dove
to MVEBU easily. Legacy non-DT mach-dove is left untouched to rot
for a while before removal.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
of individual platforms as they are redundant.
- Make SMP, CACHE_L2X0 and GPIO config options user visible on
multi-platform builds as most platforms enable these options and all
platforms can run with them enabled.
- Make multi-platform v6 default to more optimal v6k rather than v6
- Remove the last bit of mach-virt and convert it to just a kconfig
option.
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Merge tag 'kconfig-cleanup-for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux into next/cleanup
Merge "kconfig clean-up and mach-virt removal for 3.15" from Rob Herring
- Remove common kconfig options required by multi-platform builds out
of individual platforms as they are redundant.
- Make SMP, CACHE_L2X0 and GPIO config options user visible on
multi-platform builds as most platforms enable these options and all
platforms can run with them enabled.
- Make multi-platform v6 default to more optimal v6k rather than v6
- Remove the last bit of mach-virt and convert it to just a kconfig
option.
* tag 'kconfig-cleanup-for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
ARM: virt: select ARM_AMBA
ARM: virt: make mach-virt just a kconfig option
ARM: vt8500: enable V6K instead of plain V6
ARM: cns3xxx: enable V6K instead of plain V6
ARM: bcm2835: enable V6K instead of plain V6
ARM: Select V6K instead of V6 by default for multi-platform
ARM: select MIGHT_HAVE_CACHE_L2X0 for V6 and V7 multi-platform
ARM: select HAVE_SMP for V7 multi-platform
ARM: centralize common multi-platform kconfig options
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Convert the kirkwood t5325-setup.c to mostly device tree for
mach-mvebu. Part of the audio setup needs to remain in C for the
moment until suitable bindings are designed and implemented. So add
board code, triggered by the compatibility string.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
During this release cycle, we're adding the new Armada 375, 380, and 385
SoCs. We're also migrating DT kirkwood boards into mach-mvebu. The
kirkwood changes make the different SoCs in mach-mvebu/ depend on
MULTI_V7 or MULTI_V5 as appropriate.
We add this dependency to the new SoCs so that when the branches are
merged, everything is as it should be.
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
kirkwood is very nearly fully DT. Remove most of the address
definitions from the header files and make it a local header file.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Add the Kirkwood PCIe compatibility string to mvebu-soc-id, so that it
can get the SoC ID and revision from the PCIe endpoints.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The mvebu system controller already supports restarting orion
systems. Remove all the C code which will be replaced by the system
controller.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Move the kirkwood DT support into mach-mvebu, and make them part of
ARCH_MULTI_V5. Minimal changes have been made in order to make it
boot. Cleanup of the header files and integration with mvebu will
take place in following patches.
In order to help Debian transition between mach-kirkwood and
mach-mvebu, the DTS files are compiled for both, allowing Debian to
continue using mach-kirkwood until all remaining boards are supported
by mach-mvebu. Debian is then expected to simply swap from
mach-kirkwood to mach-mvebu and mach-kirkwood will be removed.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Prepare mach-mvebu to house both ARCH_MULTI_V7 and ARCH_MULTI_V5
systems by adding ARCH_MULTI_V7 to the existing SOCs.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The previous name "Marvell SOCs with Device Tree support" is a bit
ambiguous and not too informative for users. Instead, use a more
appropriate name.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit adds the basic support for the Armada 380 and Armada 385
SOCs. These SoCs share most of their IP with the Armada 370/XP
SoCs. The main difference is the use of a Cortex A9 CPU instead of the
PJ4B CPU. The Armada 380 is a single core Cortex-A9, while the Armada
385 is a dual-core Cortex-A9.
The support is introduced in board-v7.c, together with Armada 370/XP,
but a separate DT structure is added, because Armada 38x will need a
different set of SMP operations when the SMP support is introduced.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Early versions of Armada 375 SoC have a bug where the BootROM leaves
an external data abort pending. The kernel is hit by this data abort
as soon as it enters userspace, because it unmasks the data aborts at
this moment. We register a custom abort handler below to ignore the
first data abort to work around this problem.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit adds the basic support for the Armada 375 SOCs. These SoCs
share most of their IP with the Armada 370/XP SoCs. The main
difference is the use of a Cortex A9 CPU instead of the PJ4B CPU. The
interrupt controller and the L2 cache controller are also different
they are respectively the GIC and the PL310.
The support is introduced in board-v7.c, together with Armada 370/XP,
but a separate DT structure is added, because Armada 375 will need a
different set of SMP operations when the SMP support is introduced.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The system controller block in the Armada 375 has different register
offsets for the system reset and other related functions. Therefore,
this commit introduces the new "armada-375-system-controller"
compatible string to identify the Armada 375 variant of the system
controller.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Until now, the CPU_PJ4B Kconfig option was selected by
MACH_ARMADA_MVEBU, i.e for all Armada MVEBU SOCs. In preparation to
the introduction of Cortex-A9 based Armada MVEBU SOCs, this selection
is moved down to the Armada 370 and Armada XP specific options.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Due to a mistake made when merging Armada 370 and Armada XP DT machine
structures, the name of the structure was incorrectly chosen as being
ARMADA_XP_DT, while the structure also covers Armada 370. Therefore,
we rename the structure to ARMADA_370_XP_DT.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
In preparation to the introduction of the support of Armada 375 and
Armada 38x, this commit renames arch/arm/mach-mvebu/armada-370-xp.c to
arch/arm/mach-mvebu/board-v7.c. The board-v7.c name as we expect this
file to ultimately contain the DT_MACHINE_START definitions for all
ARMv7 Marvell EBU platforms (370, 375, 38x, XP and Dove as of today).
In relation to this file rename, this commit also:
* Renames the hidden Kconfig symbol MACH_ARMADA_370_XP to
MACH_MVEBU_V7. This hidden symbol is selected by the various
per-SoC visible Kconfig options to trigger the build of board-v7.c.
* Renames a certain number of functions in board-v7.c so that their
armada_370_xp prefix is replaced by a mvebu prefix. The .dt_compat
array keeps its armada_370_xp prefix because the new SOCs will be
introduced with separate .dt_compat arrays, due to the need for
different SMP operations.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The address translation of a PCI node don't require anymore the PCI
support in the kernel. This translation is mandatory to be able to
read the SoC ID which is stored in the PCI controller of the mvebu
SoCs.
This patch selects the symbol needed to get only this translation for
all the mvebu platforms.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Reviewed-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Grant Likely <grant.likely@linaro.org>
All V7 platforms can run SMP kernels, so make CONFIG_SMP visible for V7
multi-platform builds.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Multi-platform requires various kconfig options to be selected, so
platforms don't need to select them individually.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
The ->map_io() implementation of Armada 370/XP simply calls
debug_ll_io_init(), which is exactly what the kernel does when
->map_io is NULL. Therefore, there is no need to have a specific
->map_io() implementation in Armada 370/XP.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Instead of the of_find_matching_node()/of_match_node() pair, which requires two
iterations through the match table, make use of of_find_matching_node_and_match(),
which only iterates through the table once.
While we're here, mark the of_system_controller table const.
Signed-off-by: Josh Cartwright <joshc@codeaurora.org>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Some objects depend on CONFIG_ARCH_MVEBU whereas this whole Makefile
depends on the same symbol. Moreover CONFIG_ARCH_MVEBU can't be
selected as a module. So we can simplify this Makefile by moving all
the object from obj-$(CONFIG_ARCH_MVEBU) to obj-y.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
- allow building and booting DT and non-DT plat-orion SoCs
- catch proper return value for kirkwood_pm_init()
- properly check return of of_iomap to solve boot hangs (mirabox, others)
- remove a compile warning on Armada 370 with non-SMP.
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Merge tag 'mvebu-fixes-3.13-2' of git://git.infradead.org/linux-mvebu into fixes
mvebu fixes for v3.13 (incremental #2)
- allow building and booting DT and non-DT plat-orion SoCs
- catch proper return value for kirkwood_pm_init()
- properly check return of of_iomap to solve boot hangs (mirabox, others)
- remove a compile warning on Armada 370 with non-SMP.
* tag 'mvebu-fixes-3.13-2' of git://git.infradead.org/linux-mvebu:
ARM: mvebu: fix compilation warning on Armada 370 (i.e. non-SMP)
ARM: mvebu: Fix kernel hang in mvebu_soc_id_init() when of_iomap failed
ARM: kirkwood: kirkwood_pm_init() should return void
ARM: orion: provide C-style interrupt handler for MULTI_IRQ_HANDLER
Signed-off-by: Olof Johansson <olof@lixom.net>
This is the branch where we usually queue up cleanup efforts, moving
drivers out of the architecture directory, header file restructuring,
etc. Sometimes they tangle with new development so it's hard to keep it
strictly to cleanups.
Some of the things included in this branch are:
* Atmel SAMA5 conversion to common clock
* Reset framework conversion for tegra platforms
- Some of this depends on tegra clock driver reworks that are shared with Mike
Turquette's clk tree.
* Tegra DMA refactoring, which are shared branches with the DMA tree.
* Removal of some header files on exynos to prepare for multiplatform
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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 the branch where we usually queue up cleanup efforts, moving
drivers out of the architecture directory, header file restructuring,
etc. Sometimes they tangle with new development so it's hard to keep
it strictly to cleanups.
Some of the things included in this branch are:
* Atmel SAMA5 conversion to common clock
* Reset framework conversion for tegra platforms
- Some of this depends on tegra clock driver reworks that are shared
with Mike Turquette's clk tree.
* Tegra DMA refactoring, which are shared branches with the DMA tree.
* Removal of some header files on exynos to prepare for
multiplatform"
* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (169 commits)
ARM: mvebu: move Armada 370/XP specific definitions to armada-370-xp.h
ARM: mvebu: remove prototypes of non-existing functions from common.h
ARM: mvebu: move ARMADA_XP_MAX_CPUS to armada-370-xp.h
serial: sh-sci: Rework baud rate calculation
serial: sh-sci: Compute overrun_bit without using baud rate algo
serial: sh-sci: Remove unused GPIO request code
serial: sh-sci: Move overrun_bit and error_mask fields out of pdata
serial: sh-sci: Support resources passed through platform resources
serial: sh-sci: Don't check IRQ in verify port operation
serial: sh-sci: Set the UPF_FIXED_PORT flag
serial: sh-sci: Remove duplicate interrupt check in verify port op
serial: sh-sci: Simplify baud rate calculation algorithms
serial: sh-sci: Remove baud rate calculation algorithm 5
serial: sh-sci: Sort headers alphabetically
ARM: EXYNOS: Kill exynos_pm_late_initcall()
ARM: EXYNOS: Consolidate selection of PM_GENERIC_DOMAINS for Exynos4
ARM: at91: switch Calao QIL-A9260 board to DT
clk: at91: fix pmc_clk_ids data type attriubte
PM / devfreq: use inclusion <mach/map.h> instead of <plat/map-s5p.h>
ARM: EXYNOS: remove <mach/regs-clock.h> for exynos
...
When pci_base is accessed whereas it has not been properly mapped by
of_iomap() the kernel hang. The check of this pointer made an improper
use of IS_ERR() instead of comparing to NULL. This patch fix this
issue.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Reported-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Cc: stable@vger.kernel.org # v3.12+: af8d1c63af: ARM: mvebu: Add support to get the ID and the revision of a SoC
Cc: stable@vger.kernel.org # v3.12+: 85e618a1be: ARM: mvebu: Add quirk for i2c for the OpenBlocks AX3-4 board
Cc: stable@vger.kernel.org # v3.12+: 6cf70ae928: i2c: mv64xxx: Fix bus hang on A0 version of the Armada XP SoCs
Cc: stable@vger.kernel.org # v3.12+: f8b94beb7e: i2c: mv64xxx: Document the newly introduced Armada XP A0 compatible
Cc: stable@vger.kernel.org # v3.12+
Fixes: 930ab3d403 (i2c: mv64xxx: Add I2C Transaction Generator support)
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The first variants of Armada XP SoCs (A0 stepping) have issues related
to the i2c controller which prevent to use the offload mechanism and
lead to a kernel hang during boot.
This commit add quirk in the mvebu platform code to check the SoC
version and then update the compatible string for the i2c controller
according to the revision of the SoC. Currently only some OpenBlocks
AX3-4 boards are known to use an A0 revision so the check is done only
for these boards.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: stable@vger.kernel.org # v3.12+: af8d1c63af: ARM: mvebu: Add support to get the ID and the revision of a SoC
Cc: stable@vger.kernel.org # v3.12+
Fixes: 930ab3d403 (i2c: mv64xxx: Add I2C Transaction Generator support)
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
All the mvebu SoCs have information related to their variant and
revision that can be read from the PCI control register.
This patch adds support for Armada XP and Armada 370. This reading of
the revision and the ID are done before the PCI initialization to
avoid any conflicts. Once these data are retrieved, the resources are
freed to let the PCI subsystem use it.
Cc: stable@vger.kernel.org # v3.12+
Fixes: 930ab3d403 (i2c: mv64xxx: Add I2C Transaction Generator support)
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
In preparation to the introduction of the support for additional SoC,
the mvebu/common.h should be clear of Armada 370/XP-specific
definitions. Therefore, move the Armada 370/XP SMP specific
definitions to the armada-370-xp.h file.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The mach-mvebu/common.h file contains prototypes of functions that
have been removed, so this commit removes the corresponding
prototypes.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The ARMADA_XP_MAX_CPUS definition was in common.h, which as its name
says, is common to all mvebu SoCs. It is more logical to have this XP
specific definition in the already existing armada-370-xp.h header
file, especially in preparation to the addition of the support for
other SOCs in mach-mvebu.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This patch fixes conflicting types for 'set_cpu_coherent' and fixes the
following sparse warnings.
arch/arm/mach-mvebu/system-controller.c:42:38:
warning: symbol 'armada_370_xp_system_controller' was not declared. Should it be static?
arch/arm/mach-mvebu/system-controller.c:49:38:
warning: symbol 'orion_system_controller' was not declared. Should it be static?
arch/arm/mach-mvebu/system-controller.c:67:6:
warning: symbol 'mvebu_restart' was not declared. Should it be static?
arch/arm/mach-mvebu/coherency.c:31:15:
warning: symbol 'coherency_phys_base' was not declared. Should it be static?
arch/arm/mach-mvebu/coherency.c:48:5:
warning: symbol 'set_cpu_coherent' was not declared. Should it be static?
arch/arm/mach-mvebu/coherency.c:123:12:
warning: symbol 'coherency_init' was not declared. Should it be static?
arch/arm/mach-mvebu/pmsu.c:38:5: warning:
symbol 'armada_xp_boot_cpu' was not declared. Should it be static?
arch/arm/mach-mvebu/pmsu.c:61:12: warning:
symbol 'armada_370_xp_pmsu_init' was not declared. Should it be static?
arch/arm/mach-mvebu/platsmp.c:49:13: warning:
symbol 'set_secondary_cpus_clock' was not declared. Should it be static?
arch/arm/mach-mvebu/platsmp.c:97:13: warning:
symbol 'armada_xp_smp_prepare_cpus' was not declared. Should it be static?
arch/arm/mach-mvebu/hotplug.c:24:12: warning:
symbol 'armada_xp_cpu_die' was not declared. Should it be static?
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Add indication we can run these cores in BE mode, and ensure that the
secondary CPU is set to big-endian mode in the initialisation code as
the initial code runs little-endian.
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Add of_node_put to properly decrement the refcount when we are
done using a given node.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Reviewed-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Conflicts:
arch/arm/mach-mvebu/armada-370-xp.c
arch/arm/mach-mvebu/platsmp.c
Pull timer code update from Thomas Gleixner:
- armada SoC clocksource overhaul with a trivial merge conflict
- Minor improvements to various SoC clocksource drivers
* 'timers/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: armada-370-xp: Add detailed clock requirements in devicetree binding
clocksource: armada-370-xp: Get reference fixed-clock by name
clocksource: armada-370-xp: Replace WARN_ON with BUG_ON
clocksource: armada-370-xp: Fix device-tree binding
clocksource: armada-370-xp: Introduce new compatibles
clocksource: armada-370-xp: Use CLOCKSOURCE_OF_DECLARE
clocksource: armada-370-xp: Simplify TIMER_CTRL register access
clocksource: armada-370-xp: Use BIT()
ARM: timer-sp: Set dynamic irq affinity
ARM: nomadik: add dynamic irq flag to the timer
clocksource: sh_cmt: 32-bit control register support
clocksource: em_sti: Convert to devm_* managed helpers
This branch contains mostly additions and changes to platform enablement
and SoC-level drivers. Since there's sometimes a dependency on device-tree
changes, there's also a fair amount of those in this branch.
Pieces worth mentioning are:
- Mbus driver for Marvell platforms, allowing kernel configuration
and resource allocation of on-chip peripherals.
- Enablement of the mbus infrastructure from Marvell PCI-e drivers.
- Preparation of MSI support for Marvell platforms.
- Addition of new PCI-e host controller driver for Tegra platforms
- Some churn caused by sharing of macro names between i.MX 6Q and 6DL
platforms in the device tree sources and header files.
- Various suspend/PM updates for Tegra, including LP1 support.
- Versatile Express support for MCPM, part of big little support.
- Allwinner platform support for A20 and A31 SoCs (dual and quad Cortex-A7)
- OMAP2+ support for DRA7, a new Cortex-A15-based SoC.
The code that touches other architectures are patches moving
MSI arch-specific functions over to weak symbols and removal of
ARCH_SUPPORTS_MSI, acked by PCI maintainers.
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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:
"This branch contains mostly additions and changes to platform
enablement and SoC-level drivers. Since there's sometimes a
dependency on device-tree changes, there's also a fair amount of
those in this branch.
Pieces worth mentioning are:
- Mbus driver for Marvell platforms, allowing kernel configuration
and resource allocation of on-chip peripherals.
- Enablement of the mbus infrastructure from Marvell PCI-e drivers.
- Preparation of MSI support for Marvell platforms.
- Addition of new PCI-e host controller driver for Tegra platforms
- Some churn caused by sharing of macro names between i.MX 6Q and 6DL
platforms in the device tree sources and header files.
- Various suspend/PM updates for Tegra, including LP1 support.
- Versatile Express support for MCPM, part of big little support.
- Allwinner platform support for A20 and A31 SoCs (dual and quad
Cortex-A7)
- OMAP2+ support for DRA7, a new Cortex-A15-based SoC.
The code that touches other architectures are patches moving MSI
arch-specific functions over to weak symbols and removal of
ARCH_SUPPORTS_MSI, acked by PCI maintainers"
* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (266 commits)
tegra-cpuidle: provide stub when !CONFIG_CPU_IDLE
PCI: tegra: replace devm_request_and_ioremap by devm_ioremap_resource
ARM: tegra: Drop ARCH_SUPPORTS_MSI and sort list
ARM: dts: vf610-twr: enable i2c0 device
ARM: dts: i.MX51: Add one more I2C2 pinmux entry
ARM: dts: i.MX51: Move pins configuration under "iomuxc" label
ARM: dtsi: imx6qdl-sabresd: Add USB OTG vbus pin to pinctrl_hog
ARM: dtsi: imx6qdl-sabresd: Add USB host 1 VBUS regulator
ARM: dts: imx27-phytec-phycore-som: Enable AUDMUX
ARM: dts: i.MX27: Disable AUDMUX in the template
ARM: dts: wandboard: Add support for SDIO bcm4329
ARM: i.MX5 clocks: Remove optional clock setup (CKIH1) from i.MX51 template
ARM: dts: imx53-qsb: Make USBH1 functional
ARM i.MX6Q: dts: Enable I2C1 with EEPROM and PMIC on Phytec phyFLEX-i.MX6 Ouad module
ARM i.MX6Q: dts: Enable SPI NOR flash on Phytec phyFLEX-i.MX6 Ouad module
ARM: dts: imx6qdl-sabresd: Add touchscreen support
ARM: imx: add ocram clock for imx53
ARM: dts: imx: ocram size is different between imx6q and imx6dl
ARM: dts: imx27-phytec-phycore-som: Fix regulator settings
ARM: dts: i.MX27: Remove clock name from CPU node
...
This branch contains code cleanups, moves and removals for 3.12.
There's a large number of various cleanups, and a nice net removal of
13500 lines of code.
Highlights worth mentioning are:
- A series of patches from Stephen Boyd removing the ARM local timer API.
- Move of Qualcomm MSM IOMMU code to drivers/iommu.
- Samsung PWM driver cleanups from Tomasz Figa, removing legacy PWM driver
and switching over to the drivers/pwm one.
- Removal of some unusued auto-generated headers for OMAP2+ (PRM/CM).
There's also a move of a header file out of include/linux/i2c/ to
platform_data, where it really belongs. It touches mostly ARM platform
code for include changes so we took it through our tree.
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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 branch contains code cleanups, moves and removals for 3.12.
There's a large number of various cleanups, and a nice net removal of
13500 lines of code.
Highlights worth mentioning are:
- A series of patches from Stephen Boyd removing the ARM local timer
API.
- Move of Qualcomm MSM IOMMU code to drivers/iommu.
- Samsung PWM driver cleanups from Tomasz Figa, removing legacy PWM
driver and switching over to the drivers/pwm one.
- Removal of some unusued auto-generated headers for OMAP2+ (PRM/CM).
There's also a move of a header file out of include/linux/i2c/ to
platform_data, where it really belongs. It touches mostly ARM
platform code for include changes so we took it through our tree"
* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
ARM: OMAP2+: Add back the define for AM33XX_RST_GLOBAL_WARM_SW_MASK
gpio: (gpio-pca953x) move header to linux/platform_data/
arm: zynq: hotplug: Remove unreachable code
ARM: SAMSUNG: Remove unnecessary exynos4_default_sdhci*()
tegra: simplify use of devm_ioremap_resource
ARM: SAMSUNG: Remove plat/regs-timer.h header
ARM: SAMSUNG: Remove remaining uses of plat/regs-timer.h header
ARM: SAMSUNG: Remove pwm-clock infrastructure
ARM: SAMSUNG: Remove old PWM timer platform devices
pwm: Remove superseded pwm-samsung-legacy driver
ARM: SAMSUNG: Modify board files to use new PWM platform device
ARM: SAMSUNG: Rework private data handling in dev-backlight
pwm: Add new pwm-samsung driver
ARM: mach-mvebu: remove redundant DT parsing and validation
ARM: msm: Only compile io.c on platforms that use it
iommu/msm: Move mach includes to iommu directory
ARM: msm: Remove devices-iommu.c
ARM: msm: Move mach/board.h contents to common.h
ARM: msm: Migrate msm_timer to CLOCKSOURCE_OF_DECLARE
ARM: msm: Remove TMR and TMR0 static mappings
...
This is almost cosmetic: we achieve a bit of consistency with
other clocksource drivers by using the CLOCKSOURCE_OF_DECLARE
macro for the boilerplate code.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Currently set_secondary_cpus_clock assume the CPU logical ordering
and the MPDIR in DT are same, which is incorrect.
Since the CPU device nodes can be retrieved in the logical ordering
using the DT helper, we can remove the devices tree parsing.
This patch removes DT parsing by making use of of_get_cpu_node.
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Jason Cooper <jason@lakedaemon.net>
Acked-by: Gregory Clement <gregory.clement@free-electrons.com>
Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
