We keep collecting defconfig updates in a separate branch mostly to encourage
people to handle them separately and avoid conflicts between different topics.
Most of these are enablement of new SoCs, boards or drivers that have
come in, or minor config refreshes due to reorderings in Kconfig
files, etc. I.e. mostly minor churn of various kinds.
Conflicts: None
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Merge tag 'armsoc-defconfig' into test-merge
ARM: SoC: defconfig updates for v4.2
We keep collecting defconfig updates in a separate branch mostly to encourage
people to handle them separately and avoid conflicts between different topics.
Most of these are enablement of new SoCs, boards or drivers that have
come in, or minor config refreshes due to reorderings in Kconfig
files, etc. I.e. mostly minor churn of various kinds.
Conflicts: None
# gpg: Signature made Wed Jun 24 21:32:27 2015 PDT using RSA key ID D3FBC665
# gpg: Good signature from "Kevin Hilman <khilman@deeprootsystems.com>"
# gpg: aka "Kevin Hilman <khilman@linaro.org>"
# gpg: aka "Kevin Hilman <khilman@kernel.org>"
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' into test-merge
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.
# gpg: Signature made Wed Jun 24 21:32:17 2015 PDT using RSA key ID D3FBC665
# gpg: Good signature from "Kevin Hilman <khilman@deeprootsystems.com>"
# gpg: aka "Kevin Hilman <khilman@linaro.org>"
# gpg: aka "Kevin Hilman <khilman@kernel.org>"
# Conflicts:
# arch/arm64/boot/dts/arm/juno-motherboard.dtsi
As usual, quite a few device-tree updates in ARM land. There was ome
minor churn in DTs due to relicensing under a dual-license, and lots
of little additions of new peripherals, features etc, but nothing
really exciting to call to your attention. Some higlights, focsuing
on support for new SoCs and boards:
- AT91: new boards: Overkiz, Acme Systems' Arietta G25
- tegra: HDA support
- bcm: new platforms: Buffalo WXR-1900DHP, SmartRG SR400ac, ASUS RT-AC87U
- mvebu: new platforms: Compulab CM-A510, Armada 385-based Linksys
boards, DLink DNS-327L
- OMAP: new platforms: Baltos IR5221, LogicPD Torpedo, Toby-Churchill SL50
- ARM: added support for Juno r1 board
- sunxi: A33 SoC support; new boards: A23 EVB, SinA33, GA10H-A33, Mele A1000G
- imx: i.MX7D SoC support; new boards: Armadeus Systems APF6,
Gateworks GW5510, and aristainetos2 boards
- hisilicon: hi6220 SoC support; new boards: 96boards hikey
Conflicts: None
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Merge tag 'armsoc-dt' into test-merge
ARM: SoC: DT updates for v4.2
As usual, quite a few device-tree updates in ARM land. There was ome
minor churn in DTs due to relicensing under a dual-license, and lots
of little additions of new peripherals, features etc, but nothing
really exciting to call to your attention. Some higlights, focsuing
on support for new SoCs and boards:
- AT91: new boards: Overkiz, Acme Systems' Arietta G25
- tegra: HDA support
- bcm: new platforms: Buffalo WXR-1900DHP, SmartRG SR400ac, ASUS RT-AC87U
- mvebu: new platforms: Compulab CM-A510, Armada 385-based Linksys
boards, DLink DNS-327L
- OMAP: new platforms: Baltos IR5221, LogicPD Torpedo, Toby-Churchill SL50
- ARM: added support for Juno r1 board
- sunxi: A33 SoC support; new boards: A23 EVB, SinA33, GA10H-A33, Mele A1000G
- imx: i.MX7D SoC support; new boards: Armadeus Systems APF6,
Gateworks GW5510, and aristainetos2 boards
- hisilicon: hi6220 SoC support; new boards: 96boards hikey
Conflicts: None
# gpg: Signature made Wed Jun 24 21:32:14 2015 PDT using RSA key ID D3FBC665
# gpg: Good signature from "Kevin Hilman <khilman@deeprootsystems.com>"
# gpg: aka "Kevin Hilman <khilman@linaro.org>"
# gpg: aka "Kevin Hilman <khilman@kernel.org>"
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' into test-merge
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
# gpg: Signature made Wed Jun 24 21:32:12 2015 PDT using RSA key ID D3FBC665
# gpg: Good signature from "Kevin Hilman <khilman@deeprootsystems.com>"
# gpg: aka "Kevin Hilman <khilman@linaro.org>"
# gpg: aka "Kevin Hilman <khilman@kernel.org>"
# Conflicts:
# arch/arm/mach-socfpga/core.h
A relatively small setup of cleanups this time around, and similar to last time
the bulk of it is removal of legacy board support:
- OMAP: removal of legacy (non-DT) booting for several platforms
- i.MX: remove some legacy board files
Conflicts: None
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Merge tag 'armsoc-cleanup' into test-merge
ARM: SoC cleanups for v4.2
A relatively small setup of cleanups this time around, and similar to last time
the bulk of it is removal of legacy board support:
- OMAP: removal of legacy (non-DT) booting for several platforms
- i.MX: remove some legacy board files
Conflicts: None
# gpg: Signature made Wed Jun 24 21:32:09 2015 PDT using RSA key ID D3FBC665
# gpg: Good signature from "Kevin Hilman <khilman@deeprootsystems.com>"
# gpg: aka "Kevin Hilman <khilman@linaro.org>"
# gpg: aka "Kevin Hilman <khilman@kernel.org>"
- add failure(exception) handling
: of_iomap(), of_find_device_by_node() and kstrdup()
- add common poweroff to use PS_HOLD based for all of exynos SoCs
- add exnos_get/set_boot_addr() helper
- constify platform_device_id and irq_domain_ops
- get current parent clock for power domain on/off
- use core_initcall to register power domain driver
- make exynos_core_restart() less verbose
- add support coupled CPUidle for exynos3250
- fix exynos_boot_secondary() return value on timeout
- fix clk_enable() in s3c24xx adc
- fix missing of_node_put() for power domains
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Merge tag 'samsung-mach-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc
Samsung updates for v4.2
- add failure(exception) handling
: of_iomap(), of_find_device_by_node() and kstrdup()
- add common poweroff to use PS_HOLD based for all of exynos SoCs
- add exnos_get/set_boot_addr() helper
- constify platform_device_id and irq_domain_ops
- get current parent clock for power domain on/off
- use core_initcall to register power domain driver
- make exynos_core_restart() less verbose
- add support coupled CPUidle for exynos3250
- fix exynos_boot_secondary() return value on timeout
- fix clk_enable() in s3c24xx adc
- fix missing of_node_put() for power domains
* tag 'samsung-mach-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (301 commits)
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
ARM: EXYNOS: Get current parent clock for power domain on/off
ARM: SAMSUNG: fix clk_enable() WARNing in S3C24XX ADC
ARM: EXYNOS: Add missing of_node_put() when parsing power domains
ARM: EXYNOS: Handle of_find_device_by_node() and kstrdup() failures
ARM: EXYNOS: Handle of of_iomap() failure
Linux 4.1-rc4
....
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Merge tag 'v4.1-rc6' into next/dt
Linux 4.1-rc6
Conflicts:
arch/arm/boot/dts/zynq-7000.dtsi
Resolution summary:
Mainline had an earlier version of the commit, resolve in favor of the
newer patch in next/dt branch.
The Juno board, and likely many other boards, likes to use simple
GPIO keys for input events. Enabled this in the default
ARM64 defconfig.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Shannon Zhao <shannon.zhao@linaro.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
The Juno board has two keys connected to a PL061 GPIO block,
in accordance to DDI0524B "ARM Versatile Express Juno Development
Platform" revision 1.0, table 2-4 "GPIO (0) and GPIO (1) used
for additional user key entry". By trial-and-error I found that
these are connected to the two keys named "power" and "home"
on the motherboard.
Register the GPIO block and these two keys in the device tree
using the PL061 GPIO driver and the generic gpio keys.
- Map POWER, HOME, VOL+ and VOL- to the obvious input events.
- Map RLOCK to KEY_SCREENLOCK/KEY_COFFEE unless someone can
explain better what this is for.
- Map the NMI button to KEY_SYSREQ as this is used like so
in the SYSREQ debugging hack.
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
- Added Hisilicon ARM64 SoC family support in Kconfig and defconfig
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Merge tag 'hi6220-soc-for-4.2' of git://github.com/hisilicon/linux-hisi into next/soc
ARM64: Hisilicon ARM64 SoC Updates for V4.2
- Added Hisilicon ARM64 SoC family support in Kconfig and defconfig
* tag 'hi6220-soc-for-4.2' of git://github.com/hisilicon/linux-hisi:
arm64: Enable Hisilicon ARMv8 SoC family in Kconfig and defconfig
This patch introduces ARCH_HISI to enable Hisilicon SoC family in
Kconfig and defconfig.
Signed-off-by: Bintian Wang <bintian.wang@huawei.com>
Acked-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Reviewed-by: Wei Xu <xuwei5@hisilicon.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Tested-by: Tyler Baker <tyler.baker@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
Add initial dtsi file to support Hisilicon Hi6220 SoC with
support of Octal core CPUs in two clusters and each cluster
has quard Cortex-A53.
Also add dts file to support HiKey development board which
based on Hi6220 SoC.
Signed-off-by: Bintian Wang <bintian.wang@huawei.com>
Acked-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Reviewed-by: Yiping Xu <xuyiping@hisilicon.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Tested-by: Tyler Baker <tyler.baker@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
Model name in mt8173-evb.dts doesn't follow dts convention (it should
be human readable model name). Fix it.
Fixes: b3a3724841 ("arm64: dts: Add mediatek MT8173 SoC and evaluation board dts and Makefile")
Cc: <stable@vger.kernel.org> # v4.0+
Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Fix indentation nits to make mt8173.dtsi more consistent.
Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Merge "Documentation: bindings: Add DT bindings for ARM Juno boards" from Liviu Dudau:
* 'for-upstream/juno-dts' of git://linux-arm.org/linux-ld:
Documentation: bindings: Add DT bindings for ARM Juno boards.
arm64: Add DT support for Juno r1 board.
arm64: Juno: Add GICv2m support in device tree.
arm64: Juno: Add memory mapped timer node
arm64: Juno: Split juno.dts into juno-base.dtsi and juno.dts.
arm64: Juno: Fix the GIC node address label and the frequency of FAXI clock.
Merge "Documentation: bindings: Add DT bindings for ARM Juno boards" from Liviu Dudau:
* 'for-upstream/juno-dts' of git://linux-arm.org/linux-ld:
Documentation: bindings: Add DT bindings for ARM Juno boards.
arm64: Add DT support for Juno r1 board.
arm64: Juno: Add GICv2m support in device tree.
arm64: Juno: Add memory mapped timer node
arm64: Juno: Split juno.dts into juno-base.dtsi and juno.dts.
arm64: Juno: Fix the GIC node address label and the frequency of FAXI clock.
This board is based on Juno r0 with updated Cortex A5x revisions
and board errata fixes. It also contains coherent ThinLinks ports
on the expansion slot that allow for an AXI master on the daughter
card to participate in a coherency domain.
Support for SoC PCIe host bridge will be added as a separate series.
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
Acked-by: Jon Medhurst <tixy@linaro.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Juno contains a GICv2m extension for handling PCIe MSI messages.
Add a node declaring the first frame of the extension.
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
Acked-by: Jon Medhurst <tixy@linaro.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Juno based boards have a memory mapped timer @ 0x2a810000. This
is disabled on r0 version of the board due to an SoC errata.
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
Acked-by: Jon Medhurst <tixy@linaro.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Prepare the device tree for adding more boards based on Juno r0.
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
Acked-by: Jon Medhurst <tixy@linaro.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
During the review of the Juno DT files I've noticed that the GIC
node label had two digits swapped leading to a different address
being shown in the /sys/devices fs.
Sudeep also pointed that public revisions of the Juno documentation
list a different frequency for the FAXI system than what the one
I've been using when creating the DT file. Verified with the firmware
people to be the correct value in the shipped systems.
Reported-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Jon Medhurst <tixy@linaro.org>
Nothing frightening this time, just smaller fixes in a number of places.
The other changes contained here are:
MAINTAINERS file updates:
- The mach-gemini maintainer is back in action and has a new git tree
- Krzysztof Kozlowski has volunteered to be a new co-maintainer
for the samsung platforms
- updates to the files that belong to Marvell mvebu
Bug fixes:
- The largest changes are on omap2, but are only to avoid some
harmless warnings and to fix reset on omap4
- a small regression fix on tegra
- multiple fixes for incorrect IRQ affinity on vexpress
- the missing system controller on arm64 juno is added
- one revert of a patch that was accidentally applied
twice for mach-rockchip
- two clock related DT fixes for mvebu
- a workaround for suspend with old DT binaries on new
exynos kernels
- Another fix for suspend on exynos, needs to be backported.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"Nothing frightening this time, just smaller fixes in a number of
places.
The other changes contained here are:
MAINTAINERS file updates:
- The mach-gemini maintainer is back in action and has a new git tree
- Krzysztof Kozlowski has volunteered to be a new co-maintainer for
the samsung platforms
- updates to the files that belong to Marvell mvebu
Bug fixes:
- The largest changes are on omap2, but are only to avoid some
harmless warnings and to fix reset on omap4
- a small regression fix on tegra
- multiple fixes for incorrect IRQ affinity on vexpress
- the missing system controller on arm64 juno is added
- one revert of a patch that was accidentally applied twice for
mach-rockchip
- two clock related DT fixes for mvebu
- a workaround for suspend with old DT binaries on new exynos kernels
- Another fix for suspend on exynos, needs to be backported"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (21 commits)
MAINTAINERS: Add dts entries for some of the Marvell SoCs
MAINTAINERS: ARM: EXYNOS: Add Krzysztof Kozlowski as co-maintainer
ARM: EXYNOS: Use of_machine_is_compatible instead of soc_is_exynos4
ARM: EXYNOS: Fix failed second suspend on Exynos4
Revert "ARM: rockchip: fix undefined instruction of reset_ctrl_regs"
ARM: EXYNOS: Fix dereference of ERR_PTR returned by of_genpd_get_from_provider
ARM: EXYNOS: Don't try to initialize suspend on old DT
ARM: dts: Add keep-power-in-suspend to WiFi SDIO node for Peach Boards
ARM: gemini: fix compiler warning due wrong data type
ARM: vexpress/tc2: Add interrupt-affinity to the PMU node
ARM: vexpress/ca9: Add interrupt-affinity to the PMU node
ARM: vexpress/ca9: Add unified-cache property to l2 cache node
ARM64: juno: add sp810 support and fix sp804 clock frequency
ARM: Gemini: Maintainers update
ARM: OMAP2+: Remove bogus struct clk comparison for timer clock
ARM: dove: Add clock-names to CuBox Si5351 clk generator
ARM: AM33xx+: hwmod: re-use omap4 implementations for reset functionality
ARM: OMAP4+: PRM: add support for passing status register/bit info to reset
ARM: AM43xx: hwmod: add VPFE hwmod entries
ARM: mvebu: Fix the main PLL frequency on Armada 375, 38x and 39x SoCs
...
Commit d795ef9aa8 ("arm64: perf: don't warn about missing
interrupt-affinity property for PPIs") added a check for PPIs so that
we avoid parsing the interrupt-affinity property for these naturally
affine interrupts.
Unfortunately, this check can trigger an early (successful) return and
we will leak the irqs array. This patch fixes the issue by reordering
the code so that the check is performed before any independent
allocation.
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
While skeleton.dtsi was initially conceived as a simple way to bootstrap
writing a dts, it has proven to be problematic:
* The #address-cells and #size-cells values used in skeleton.dtsi may
not match what a user wants (e.g. when they need to describe a range
larger than 4GB).
* For dts files where memory nodes have unit-addresses, it adds a
redundant /memory node, for which the reg entry may not be
appropriately sized (e.g. where #size-cells has been overridden).
* For dts files which assume that a bootloader will fill in the memory
node(s), no node is present in the dts (and hence there is no attached
comment), making it hard to distinguish these cases from bad dts
files, and masking any warnings dtc may produce w.r.t. missing nodes.
* The default empty /chosen and /aliases are somewhat useless, and it
would be preferable for dts to fill these in (e.g. for
/aliases/serial0 and /chosen/stdout-path).
This patch removes skeleton.dtsi from arm64. There are currently no
users, so we can remove it before any appear.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Rob Herring <rob.herring@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The clock generator in IOFPGA generates the two source clocks: 32kHz and
1MHz for the SP810 System Controller.
The SP810 System Controller selects 32kHz or 1MHz as the sources for
TIM_CLK[3:0], the SP804 timer clocks. The powerup default is 32kHz but
the maximum of "refclk" and "timclk" is chosen by the SP810 driver.
This patch adds support for SP810 system controller and also fixes the
SP804 timer clock frequency.
However the SP804 driver needs to be enabled on ARM64 to test this,
which requires SP804 driver to be moved out of arch/arm.
Fixes: 71f867ec13 ("arm64: Add Juno board device tree.")
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Pull crypto fixes from Herbert Xu:
"This fixes a the implementation of CRC32 on arm64 where it incorrectly
applied negation on the result.
It also fixes the arm64 implementations of SHA/SHA256 where in some
cases it may end up finalising the result twice"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: arm64/sha2-ce - prevent asm code finalization in final() path
crypto: arm64/sha1-ce - prevent asm code finalization in final() path
crypto: arm64/crc32 - bring in line with generic CRC32
Since many boards for ARM, experimental or server alike, will
feature LEDs, let's include LED class and trigger support for
heartbeat and CPU in the defconfig. Many systems (such as the
ARM Juno) will use a system controller "syscon" to access the
LED registers, so include support for this as well.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Liviu Dudau <Liviu.Dudau@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This defines the Juno "APB system registers" as a syscon device,
and all the LEDs controlled by the APB system registers right
below it using the syscon LEDs driver on top of syscon. Define
LED0 for heartbeat, LED1 for MMC0 activity and the following
four LEDs indicating CPU activity using the Linux-specific
DT bindings for triggers.
This is the pattern and same drivers as used on the legacy
platform device trees for the ARM Integrators and the RealView
PB1176.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Tested-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Consider "(u64)insn1.imm << 32 | imm" in the arm64 JIT. Since imm is
signed 32-bit, it is sign-extended to 64-bit, losing the high 32 bits.
The fix is to convert imm to u32 first, which will be zero-extended to
u64 implicitly.
Cc: Zi Shen Lim <zlim.lnx@gmail.com>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: <stable@vger.kernel.org>
Fixes: 30d3d94cc3 ("arm64: bpf: add 'load 64-bit immediate' instruction")
Signed-off-by: Xi Wang <xi.wang@gmail.com>
[will: removed non-arm64 bits and redundant casting]
Signed-off-by: Will Deacon <will.deacon@arm.com>
Ensure that the asm code finalization path is not triggered when
invoked via final(), since it already takes care of that itself.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Ensure that the asm code finalization path is not triggered when
invoked via final(), since it already takes care of that itself.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
The arm64 CRC32 (not CRC32c) implementation was not quite doing
the same thing as the generic one. Fix that.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Steve Capper <steve.capper@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This fix the below build error:
arch/arm64/mm/dump.c: In function ‘ptdump_init’:
arch/arm64/mm/dump.c:331:18: error: ‘VMEMMAP_START_NR’ undeclared (first use in this function)
address_markers[VMEMMAP_START_NR].start_address =
^
arch/arm64/mm/dump.c:331:18: note: each undeclared identifier is reported only once for each
function it appears in
arch/arm64/mm/dump.c:333:18: error: ‘VMEMMAP_END_NR’ undeclared (first use in this function)
address_markers[VMEMMAP_END_NR].start_address =
^
Acked-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Jungseung Lee <js07.lee@gmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This reverts most of commit fef7f2b201.
It turns out that there are a couple of problems with the way we're
fixing up branch instructions used as part of alternative instruction
sequences:
(1) If the branch target is also in the alternative sequence, we'll
generate a branch into the .altinstructions section which actually
gets freed.
(2) The calls to aarch64_insn_{read,write} bring an awful lot more
code into the patching path (e.g. taking locks, poking the fixmap,
invalidating the TLB) which isn't actually needed for the early
patching run under stop_machine, but makes the use of alternative
sequences extremely fragile (as we can't patch code that could be
used by the patching code).
Given that no code actually requires alternative patching of immediate
branches, let's remove this support for now and revisit it when we've
got a user. We leave the updated size check, since we really do require
the sequences to be the same length.
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
The 8173 pinctrl node doesn't follow dts convention. Fix them.
Also add a comment to explain pinctrl register usage to make it
more clear.
Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
With commit d5efd9cc9c ("arm64: pmu: add support for interrupt-affinity
property"), we print a warning when we find a PMU SPI with a missing
missing interrupt-affinity property in a pmu node. Unfortunately, we
pass the wrong (NULL) device node to of_node_full_name, resulting in
unhelpful messages such as:
hw perfevents: Failed to parse <no-node>/interrupt-affinity[0]
This patch fixes the name to that of the pmu node.
Fixes: d5efd9cc9c (arm64: pmu: add support for interrupt-affinity property)
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
PPIs are affine by nature, so the interrupt-affinity property is not
used and therefore we shouldn't print a warning in its absence.
Reported-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
__dma_alloc() does a PAGE_ALIGN() on the passed in size argument before
doing anything else. __dma_free() does not. And because it doesn't, it is
possible to leak memory should size not be an integer multiple of PAGE_SIZE.
The solution is to add a PAGE_ALIGN() to __dma_free() like is done in
__dma_alloc().
Additionally, this patch removes a redundant PAGE_ALIGN() from
__dma_alloc_coherent(), since __dma_alloc_coherent() can only be called
from __dma_alloc(), which already does a PAGE_ALIGN() before the call.
Cc: stable@vger.kernel.org
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Dean Nelson <dnelson@redhat.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Add initial device configuration nodes for APQ8016 and PM8916 GPIO's.
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>
Add the restart node so we can reboot the device.
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>
PM9816 has 2 SPMI devices per physical package. Add PMIC configuration
nodes including sub-function device nodes and include them in boards,
which are using 8x16 based chipset.
PM9816 sub-function devices include:
* GPIO block, with 4 pins
* MPP block, with 4 pins
* Volatage ADC (VADC), with multiple inputs
* Thermal sensor device, which is using on chip VADC
channel report PMIC die temperature.
* Power key device, which is responsible for clean system
reboot or shutdown
* RTC device
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>
Add SPMI PMIC Arbiter configuration nodes for MSM8916.
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>
Buffers allocated by dma_alloc_coherent() are always zeroed on Alpha,
ARM (32bit), MIPS, PowerPC, x86/x86_64 and probably other architectures.
It turned out that some drivers rely on this 'feature'. Allocated buffer
might be also exposed to userspace with dma_mmap() call, so clearing it
is desired from security point of view to avoid exposing random memory
to userspace. This patch unifies dma_alloc_coherent() behavior on ARM64
architecture with other implementations by unconditionally zeroing
allocated buffer.
Cc: <stable@vger.kernel.org> # v3.14+
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Since several interrupt controllers including GIC support both edge and
level triggered interrupts, it's useful to provide that information in
/proc/interrupts even on ARM64 similar to ARM and PPC.
This is based on Geert Uytterhoeven's commit 7c07005eea ("ARM: 8339/1:
Enable CONFIG_GENERIC_IRQ_SHOW_LEVEL")
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Commit 8053871d0f ("smp: Fix smp_call_function_single_async()
locking") introduced a call to smp_load_acquire() with a u16 argument,
but we only cared about u32 and u64 types in that function so far.
This resulted in a compiler warning fortunately, pointing at an
uninitialized use. Due to the implementation structure the compiler
misses that bug in the smp_store_release(), though.
Add the u16 and u8 variants using ldarh/stlrh and ldarb/stlrb,
respectively. Together with the compiletime_assert_atomic_type() check
this should cover all cases now.
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
