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The System Type menu is getting quite long with platforms and is
inconsistent in handling of sub-arch specific options. Tidy up the menu
by making platform options a menuconfig entry containing any platform
specific config items.
[arnd: change OMAP part according to suggestion from
Tony Lindgren <tony@atomide.com>]
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next
Pull part one of ARM SoC updates from Olof Johansson:
"A quite large set of SoC updates this cycle. In no particular order:
- Multi-cluster power management for Samsung Exynos, adding support
for big.LITTLE CPU switching on EXYNOS5
- SMP support for Marvell Armada 375 and 38x
- SMP rework on Allwinner A31
- Xilinx Zynq support for SOC_BUS, big endian
- Marvell orion5x platform cleanup, modernizing the implementation
and moving to DT.
- _Finally_ moving Samsung Exynos over to support MULTIPLATFORM, so
that their platform can be enabled in the same kernel binary as
most of the other v7 platforms in the tree. \o/
The work isn't quite complete, there's some driver fixes still
needed, but the basics now work.
New SoC support added:
- Freescale i.MX6SX
- LSI Axxia AXM55xx SoCs
- Samsung EXYNOS 3250, 5260, 5410, 5420 and 5800
- STi STIH407
plus a large set of various smaller updates for different platforms.
I'm probably missing some important one here"
* tag 'soc-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (281 commits)
ARM: exynos: don't run exynos4 l2x0 setup on other platforms
ARM: exynos: Fix "allmodconfig" build errors in mcpm and hotplug
ARM: EXYNOS: mcpm rename the power_down_finish
ARM: EXYNOS: Enable mcpm for dual-cluster exynos5800 SoC
ARM: EXYNOS: Enable multi-platform build support
ARM: EXYNOS: Consolidate Kconfig entries
ARM: EXYNOS: Add support for EXYNOS5410 SoC
ARM: EXYNOS: Support secondary CPU boot of Exynos3250
ARM: EXYNOS: Add Exynos3250 SoC ID
ARM: EXYNOS: Add 5800 SoC support
ARM: EXYNOS: initial board support for exynos5260 SoC
clk: exynos5410: register clocks using common clock framework
ARM: debug: qcom: add UART addresses to Kconfig help for APQ8084
ARM: sunxi: allow building without reset controller
Documentation: devicetree: arm: sort enable-method entries
ARM: rockchip: convert smp bringup to CPU_METHOD_OF_DECLARE
clk: exynos5250: Add missing sysmmu clocks for DISP and ISP blocks
ARM: dts: axxia: Add reset controller
power: reset: Add Axxia system reset driver
ARM: axxia: Adding defconfig for AXM55xx
...
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When targetting ARCH_MULTIPLATFORM, we may include support for SoCs with
PCI-capable devices (e.g. mach-virt with virtio-pci).
This patch allows PCI support to be selected for these SoCs by selecting
CONFIG_MIGHT_HAVE_PCI when CONFIG_ARCH_MULTIPLATFORM=y and removes the
individual selections from multi-platform enabled SoCs.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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Merge "mach-bcm 3.16 soc updates" From Matt Porter:
* only show ARCH_BCM in multi v6/v7 configs
* enable ARM erratum 775420
* bcm_defconfig updates for pwm
* tag 'for-3.16/bcm-soc' of git://github.com/broadcom/mach-bcm:
ARM: bcm_defconfig: Enable PWM and Backlight
ARM: mach-bcm: add ARM_ERRATA_775420
ARM: bcm: Restrict ARCH_BCM selection to ARCH_MULTI_V6_V7
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Conflicts:
arch/arm/mach-bcm/Kconfig
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next/cleanup
* Clean up mach-bcm config and build targets
* Clean up bcm281xx/21664 SMC code
* Clean up bcm281xx/21664 L2C code
* tag 'for-3.16/bcm-cleanup' of git://github.com/broadcom/mach-bcm:
ARM: bcm: rename "kona.h" and "kona.c"
ARM: bcm: rewrite commentary for bcm_kona_do_smc()
ARM: bcm: use inline assembly for "smc" request
ARM: bcm: tidy up a few includes
ARM: bcm: config option for l2 cache support
ARM: bcm: don't special-case CPU 0 in bcm_kona_smc()
ARM: bcm: have bcm_kona_smc() return request result
ARM: bcm: clean up SMC code
ARM: bcm: err, don't BUG() on SMC init failures
ARM: bcm: use memory accessors for ioremapped area
ARM: bcm: clean up config and build targets
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Conflicts:
arch/arm/mach-bcm/Kconfig
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ARM_ERRATA_775420 needs to be enabled.
A data cache maintenance operation which aborts, followed by an ISB,
without any DSB in-between, might lead to deadlock.
Affects: bug present in Cortex-A9 r3p0 and earlier. Fixed in r4p0.
Cortex-A9 r3p0 is used in a multitude of Broadcom parts including
the bcm21664, bcm281xx, 5301x families of devices.
Signed-off-by: Scott Branden <sbranden@broadcom.com>
Tested-by: Markus Mayer <markus.mayer@linaro.org>
Reviewed-by: Markus Mayer <markus.mayer@linaro.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
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Currently, Broadcom SoC options are shown whenever ARCH_MULTIPLATFORM
is enabled. Restrict this so they are only seen when ARCH_MULTI_V6_V7
variants are enabled.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
[mporter: added commit log message]
Signed-off-by: Matt Porter <mporter@linaro.org>
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Add a new config option ARCH_BCM_MOBILE_L2_CACHE that allows support
for level-2 cache to be enabled or disabled at build time for
BCM218XX and BCM21664 family SoCs.
Build support for SMC only if it's required (currently it's only
required for to support level 2 cache control).
If arch/arm/mach-bcm/kona.c gets compiled, ARCH_BCM_MOBILE_L2_CACHE
must have been selected, which implies CONFIG_CACHE_L2X0 is set.
There is therefore no need to check CONFIG_CACHE_L2X0 at the top
of kona_l2_cache_init(), so get rid of that check.
Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Tim Kryger <tim.kryger@linaro.org>
Reviewed-by: Markus Mayer <markus.mayer@linaro.org>
Reviewed-by: Matt Porter <mporter@linaro.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
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Currently CONFIG_ARCH_BCM_MOBILE is used to select all (both)
Broadcom mobile SoC families. Instead, use that only as a config
menu switch, and define specific symbols like ARCH_BCM_281XX to
select a particular SoC family. If ARCH_BCM_MOBILE is selected, all
of the SoCs will be selected by default, but this way each can be
disabled individually as well.
Note that BCM281xx and BCM21664 both require the SMC and L2 cache
control code, so that code will be built based on ARCH_BCM_MOBILE.
Signed-off-by: Alex Elder <elder@linaro.org>
[mporter: added ARM: to the description]
Signed-off-by: Matt Porter <mporter@linaro.org>
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Multi-platform support implies all these options are already selected and
individual platforms don't need to select them.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Christian Daudt <bcm@fixthebug.org>
Cc: Matt Porter <mporter@linaro.org>
Cc: bcm-kernel-feedback-list@broadcom.com
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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
...
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git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi into next/cleanup
Merge "ARM: bcm2835: consolidate into mach-bcm/" from Stephen Warren:
This pull request consists of a single patch which moves files from
arch/arm/mach-bcm2835 into mach-bcm, thus consolidating them with
support for other Broadcom chips.
* tag 'bcm2835-for-3.15-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi:
ARM: bcm2835: Move to mach-bcm directory
Signed-off-by: Olof Johansson <olof@lixom.net>
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next/soc
Merge "ARM: mach-bcm soc updates" from Matt Porter:
- add BCM5301x support
- remove GENERIC_TIME
* tag 'armsoc/for-3.15/soc-2' of git://github.com/broadcom/mach-bcm:
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
Signed-off-by: Olof Johansson <olof@lixom.net>
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This patch adds support for the BCM5301X/BCM470X SoCs with an ARM CPUs.
Currently just booting to a shell is working and nothing else, no
Ethernet, wifi, flash, ...
I have some pending patches to make Ethernet work for this device.
Mostly device tree support for bcma is missing.
This SoC is used in small office and home router with Broadcom SoCs
it's internal name is Northstar. This code should support the BCM4707,
BCM4708, BCM4709, BCM53010, BCM53011 and BCM53012 SoC. It uses one or
two ARM Cortex A9 Cores, some highlights are 2 PCIe 2.0 controllers,
4 Gigabit Ethernet MACs and a USB 3.0 host controller.
This SoC uses a dual core CPU, but this is currently not implemented.
More information about this SoC can be found here:
http://www.anandtech.com/show/5925/broadcom-announces-bcm4708x-and-bcm5301x-socs-for-80211ac-routers
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Christian Daudt <bcm@fixthebug.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
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The symbol is an orphan, get rid of it.
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Christian Daudt <bcm@fixthebug.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
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Move the bcm2835 board file into the mach-bcm directory. This allows us
to get rid of the mach-bcm2835 directory with the associated Kconfig
and Makefile.
Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
[swarren, adjust defconfig so ARCH_BCM2835 still gets enabled]
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
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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>
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Adds pinctrl driver for Broadcom Capri (BCM281xx) SoCs.
v4: - PINCTRL selected in Kconfig, PINCTRL_CAPRI selected in bcm_defconfig
- make use of regmap
- change CAPRI_PIN_UPDATE from macro to inline function.
- Handle pull-up strength arg in Ohm instead of enum
v3: Re-work driver to be based on generic pin config. Moved config selection
from Kconfig to bcm_defconfig.
v2: Use hyphens instead of underscore in DT property names.
Signed-off-by: Sherman Yin <syin@broadcom.com>
Reviewed-by: Christian Daudt <bcm@fixthebug.org>
Reviewed-by: Matt Porter <matt.porter@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add HAVE_ARM_ARCH_TIMER to Broadcom Kconfig as it is
required for some Mobile SoCs.
Signed-off-by: Christian Daudt <bcm@fixthebug.org>
Reviewed-by: Markus Mayer <mmayer@broadcom.com>
Reviewed-by: Mark Hambleton <mahamble@broadcom.com>
Reviewed-by: James King <jamesk@broadcom.com>
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Currently ARCH_BCM has been used for Broadcom
Mobile V7 based SoCs. In order to allow other Broadcom
SoCs to also use mach-bcm directory and files, this patch
renames the original ARCH_BCM to ARCH_BCM_MOBILE, and
uses ARCH_BCM to define any Broadcom chip residing
in mach-bcm directory.
Signed-off-by: Christian Daudt <bcm@fixthebug.org>
Acked-by: Olof Johansson <olof@lixom.net>
Changes from v2:
- switch ARCH_MULTIPLATFORM from select to depends
- remove 'default y' from BCM_MOBILE
Changes from v1:
- fix alpha ordering in dts/Makefile
- break into 4 patches for separate subsys
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Turn on the bcm281xx GPIO driver in the kernel configuration.
Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
Reviewed-by: Christian Daudt <csd@broadcom.com>
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Turning on the L2 cache for the bcm281xx family.
Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
Acked-by: Christian Daudt <csd@broadcom.com>
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This adds support for the Broadcom timer, used in the following SoCs:
BCM11130, BCM11140, BCM11351, BCM28145, BCM28155
Updates from V6:
- Split DT portion into a separate patch
Updates from V5:
- Rebase to latest arm-soc/for-next
Updates from V4:
- Switch code to use CLOCKSOURCE_OF_DECLARE
Updates from V3:
- Migrate to 3.9 timer framework updates
Updates from V2:
- prepend static fns + fields with kona_
Updates from V1:
- Rename bcm_timer.c to bcm_kona_timer.c
- Pull .h into bcm_kona_timer.c
- Make timers static
- Clean up comment block
- Switched to using clockevents_config_and_register
- Added an error to the get_timer loop if it repeats too much
- Added to Documentation/devicetree/bindings/arm/bcm/bcm,kona-timer.txt
- Added missing readl to timer_disable_and_clear
Note: bcm,kona-timer was kept as the 'compatible' field to make it
specific enough for when there are multiple bcm timers (bcm,timer is
too generic).
Signed-off-by: Christian Daudt <csd@broadcom.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: John Stultz <john.stultz@linaro.org>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
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In drivers/gpio/Kcong, ARCH_REQUIRE_GPIOLIB selects GPIOLIB which in
turn selects GENERIC_GPIO. So GENERIC_GPIO will be selected
automatically for those platforms that select ARCH_REQUIRE_GPIOLIB.
Remove the redundant 'select GENERIC_GPIO' for platforms that already
select ARCH_REQUIRE_GPIOLIB at either mach or plat level.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
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In order to start upstreaming Broadcom SoC support, create
a starting hierarchy, arch and dts files.
The first support SoC family that is planned is the
BCM281XX (BCM11130/11140/11351/28145/28155) family of dual A9 mobile
SoC cores.
This code is just the skeleton code for get the machine upstreamed. It
has been made MULTIPLATFORM compatible.
Next steps
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Upstream a basic set of drivers - sufficient for a console boot to
ramdisk. These will includer timer, gpio, i2c drivers.
After this basic set, we will proceed with a more comprehensive set
of drivers for the 281XX SoC family.
v2 patch mods
--------
- Remove l2x0_of_init call as there were problems with the code.
A separate patch will be submitted with cache init code
- Rename capri files and refs to bcm281xx-based names
- Add bcm281xx binding doc
- various misc cleanups
v3 patch mods
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- Remove extra #include lines
- Remove remaining references to capri
- dt uart chipset string added
- cleaned up chip # references
v4 patch mods
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- swap order of compatible definitions for uart
- fix typo
v5 patch mods
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- Rename bcm281xx to bcm11351 in dts+code,
leaving references to bcm281xx only in help+comments.
v6 patch mods
-------------
- fix typo in uart 'compatible' string
Signed-off-by: Christian Daudt <csd@broadcom.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
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