| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull more powerpc updates from Michael Ellerman:
"The change to the Linux page table geometry was delayed for more
testing with 16G pages, and there's the new CPU features stuff which
just needed one more polish before going in. Plus a few changes from
Scott which came in a bit late. And then various fixes, mostly minor.
Summary highlights:
- rework the Linux page table geometry to lower memory usage on
64-bit Book3S (IBM chips) using the Hash MMU.
- support for a new device tree binding for discovering CPU features
on future firmwares.
- Freescale updates from Scott:
"Includes a fix for a powerpc/next mm regression on 64e, a fix for
a kernel hang on 64e when using a debugger inside a relocated
kernel, a qman fix, and misc qe improvements."
Thanks to: Christophe Leroy, Gavin Shan, Horia Geantă, LiuHailong,
Nicholas Piggin, Roy Pledge, Scott Wood, Valentin Longchamp"
* tag 'powerpc-4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/64s: Support new device tree binding for discovering CPU features
powerpc: Don't print cpu_spec->cpu_name if it's NULL
of/fdt: introduce of_scan_flat_dt_subnodes and of_get_flat_dt_phandle
powerpc/64s: Fix unnecessary machine check handler relocation branch
powerpc/mm/book3s/64: Rework page table geometry for lower memory usage
powerpc: Fix distclean with Makefile.postlink
powerpc/64e: Don't place the stack beyond TASK_SIZE
powerpc/powernv: Block PCI config access on BCM5718 during EEH recovery
powerpc/8xx: Adding support of IRQ in MPC8xx GPIO
soc/fsl/qbman: Disable IRQs for deferred QBMan work
soc/fsl/qe: add EXPORT_SYMBOL for the 2 qe_tdm functions
soc/fsl/qe: only apply QE_General4 workaround on affected SoCs
soc/fsl/qe: round brg_freq to 1kHz granularity
soc/fsl/qe: get rid of immrbar_virt_to_phys()
net: ethernet: ucc_geth: fix MEM_PART_MURAM mode
powerpc/64e: Fix hang when debugging programs with relocated kernel
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immrbar_virt_to_phys() is not used anymore
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Acked-by: Li Yang <pku.leo@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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Since commit 5093bb965a163 ("powerpc/QE: switch to the cpm_muram
implementation"), muram area is not part of immrbar mapping anymore
so immrbar_virt_to_phys() is not usable anymore.
Fixes: 5093bb965a163 ("powerpc/QE: switch to the cpm_muram implementation")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Li Yang <pku.leo@gmail.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Driver updates for ARM SoCs:
Reset subsystem, merged through arm-soc by tradition:
- Make bool drivers explicitly non-modular
- New support for i.MX7 and Arria10 reset controllers
PATA driver for Palmchip BK371 (acked by Tejun)
Power domain drivers for i.MX (GPC, GPCv2)
- Moved out of mach-imx for GPC
- Bunch of tweaks, fixes, etc
PMC support for Tegra186
SoC detection support for Renesas RZ/G1H and RZ/G1N
Move Tegra flow controller driver from mach directory to drivers/soc
- (Power management / CPU power driver)
Misc smaller tweaks for other platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits)
soc: pm-domain: Fix the mangled urls
soc: renesas: rcar-sysc: Add support for R-Car H3 ES2.0
soc: renesas: rcar-sysc: Add support for fixing up power area tables
soc: renesas: Register SoC device early
soc: imx: gpc: add workaround for i.MX6QP to the GPC PD driver
dt-bindings: imx-gpc: add i.MX6 QuadPlus compatible
soc: imx: gpc: add defines for domain index
soc: imx: Add GPCv2 power gating driver
dt-bindings: Add GPCv2 power gating driver
ARM/clk: move the ICST library to drivers/clk
ARM: plat-versatile: remove stale clock header
ARM: keystone: Drop PM domain support for k2g
soc: ti: Add ti_sci_pm_domains driver
dt-bindings: Add TI SCI PM Domains
PM / Domains: Do not check if simple providers have phandle cells
PM / Domains: Add generic data pointer to genpd data struct
soc/tegra: Add initial flowctrl support for Tegra132/210
soc/tegra: flowctrl: Add basic platform driver
soc/tegra: Move Tegra flowctrl driver
ARM: tegra: Remove unnecessary inclusion of flowctrl header
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The flowctrl driver is required for both ARM and ARM64 Tegra devices
and in order to enable support for it for ARM64, move the Tegra flowctrl
driver into drivers/soc/tegra.
By moving the flowctrl driver, tegra_flowctrl_init() is now called by
via an early initcall and to prevent this function from attempting to
mapping IO space for a non-Tegra device, a test for 'soc_is_tegra()'
is also added.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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With the new Tegra186 PMC driver merged, anything that relies on the previous
PMC driver fails to link when that is disabled:
arch/arm/mach-tegra/pm.o: In function `tegra_pm_set':
pm.c:(.text.tegra_pm_set+0x3c): undefined reference to `tegra_pmc_enter_suspend_mode'
arch/arm/mach-tegra/pm.o: In function `tegra_suspend_enter':
pm.c:(.text.tegra_suspend_enter+0x4): undefined reference to `tegra_pmc_get_suspend_mode'
arch/arm/mach-tegra/pm.o: In function `tegra_init_suspend':
pm.c:(.init.text+0x1c): undefined reference to `tegra_pmc_get_suspend_mode'
pm.c:(.init.text+0x74): undefined reference to `tegra_pmc_set_suspend_mode'
ERROR: tegra_powergate_sequence_power_up [drivers/ata/ahci_tegra.ko] undefined!
ERROR: tegra_powergate_power_off [drivers/ata/ahci_tegra.ko] undefined!
Making the definition depend on the presence of the driver makes it build
again, though that might not be the correct fix.
Reported-by: Krzysztof Kozlowski <krzk@kernel.org>
Fixes: 854014236290 ("soc/tegra: Implement Tegra186 PMC support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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A few other things need to be added in soc/qman, such that
caam/qi won't open-code them.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Export qman_query_fq_np() function and related structures.
This will be needed in the caam/qi driver, where "queue empty"
condition will be decided based on the frm_cnt.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add and export the ID of the channel serviced by the
CAAM (Cryptographic Acceleration and Assurance Module) DCP.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Since qman_volatile_dequeue() is already exported, move the related
structures into the public header too.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
- Intc imporvements [Yuriy]
- VDK platform updates [Alexey]
* tag 'arc-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: [plat-*] ARC_HAS_COH_CACHES no longer relevant
ARCv2: intc: Delete useless comments in Device Trees
ARCv2: IDU-intc: Delete deprecated parameters in Device Trees
ARCv2: IDU-intc: mask all common interrupts by default
ARCv2: IDU-intc: Use build registers for getting numbers of interrupts
ARCv2: intc: Set default priority for all core interrupts
ARCv2: intc: Use runtime value of irq count for setting up intc
ARCv2: intc: Rework the build time irq count information
ARC: [intc-*]: confine NR_CPU_IRQS to intc code
ARCv2: intc: Use ARC_REG_STATUS32 for addressing STATUS32 reg
arc: vdk: Add support of UIO
arc: vdk: Add support of MMC controller
arc: vdk: Disable halt on reset
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This enhancement is needed to allow masking all available common interrupts
in IDU interrupt controller in boot time since the kernel can
discover a number of them from the build register. Also now there
is no need to specify in device tree a list of used core interrupts
by IDU. E.g. before:
idu_intc: idu-interrupt-controller {
compatible = "snps,archs-idu-intc";
interrupt-controller;
interrupt-parent = <&core_intc>;
#interrupt-cells = <2>;
interrupts = <24 25 26 27 28 29 30 31>;
};
and after:
idu_intc: idu-interrupt-controller {
compatible = "snps,archs-idu-intc";
interrupt-controller;
interrupt-parent = <&core_intc>;
#interrupt-cells = <2>;
};
Signed-off-by: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"New drivers:
- sbs-charger driver
- max14656_charger_detector
- axp20x_ac_power
New chip/feature support"
- axp20x_usb_power: add AXP223 support
- tps65217: add usb charger support
- qcom_smbb: support otg regulator
- at91-reset: add samx7 support
Dropped drivers:
- intel_mid_battery (platform was dropped)
Fixes:
- at91-poweroff: avoid wearing off LPDDR memory
- replace deprecated extcon API
- lots of cleanup and style fixes
- misc minor functionality fixes"
* tag 'for-v4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (84 commits)
power: supply: add AC power supply driver for AXP20X and AXP22X PMICs
dt-bindings: power: supply: add AXP20X/AXP22X AC power supply
power: supply: axp20x_usb_power: use IIO channels when available
power: supply: max14656: Export I2C and OF device ID as module aliases
power: supply: bq2415x: check for NULL acpi_id to avoid null pointer dereference
power: supply: bq24190_charger: Adjust formatting
power: supply: bq24190_charger: Handle fault before status on interrupt
power: supply: bq24190_charger: Don't read fault register outside irq_handle_thread()
power: supply: bq24190_charger: Call power_supply_changed() for relevant component
power: supply: bq24190_charger: Install irq_handler_thread() at end of probe()
power: supply: bq24190_charger: Call set_mode_host() on pm_resume()
power: supply: bq24190_charger: Fix irq trigger to IRQF_TRIGGER_FALLING
power: supply: qcom_smbb: add regulator dependency
power: reset: at91-reset: remove leftover platform_device_id
power: reset: at91-reset: add samx7 support
power: supply: max14656: fix platform_no_drv_owner.cocci warnings
power: supply: pcf50633-charger: Compress return logic into one line.
power: supply: ab8500_btemp: Compress return logic into one line.
power: reset: at91-poweroff: timely shutdown LPDDR memories
ARM: at91: define LPDDR types
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The Atmel MPDDR controller support LPDDR2 and LPDDR3 memories, add their
types.
Cc: <stable@vger.kernel.org> # 4.4+
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Highlights include:
- Support for the kexec_file_load() syscall, which is a prereq for
secure and trusted boot.
- Prevent kernel execution of userspace on P9 Radix (similar to
SMEP/PXN).
- Sort the exception tables at build time, to save time at boot, and
store them as relative offsets to save space in the kernel image &
memory.
- Allow building the kernel with thin archives, which should allow us
to build an allyesconfig once some other fixes land.
- Build fixes to allow us to correctly rebuild when changing the
kernel endian from big to little or vice versa.
- Plumbing so that we can avoid doing a full mm TLB flush on P9
Radix.
- Initial stack protector support (-fstack-protector).
- Support for dumping the radix (aka. Linux) and hash page tables via
debugfs.
- Fix an oops in cxl coredump generation when cxl_get_fd() is used.
- Freescale updates from Scott: "Highlights include 8xx hugepage
support, qbman fixes/cleanup, device tree updates, and some misc
cleanup."
- Many and varied fixes and minor enhancements as always.
Thanks to:
Alexey Kardashevskiy, Andrew Donnellan, Aneesh Kumar K.V, Anshuman
Khandual, Anton Blanchard, Balbir Singh, Bartlomiej Zolnierkiewicz,
Christophe Jaillet, Christophe Leroy, Denis Kirjanov, Elimar
Riesebieter, Frederic Barrat, Gautham R. Shenoy, Geliang Tang, Geoff
Levand, Jack Miller, Johan Hovold, Lars-Peter Clausen, Libin,
Madhavan Srinivasan, Michael Neuling, Nathan Fontenot, Naveen N.
Rao, Nicholas Piggin, Pan Xinhui, Peter Senna Tschudin, Rashmica
Gupta, Rui Teng, Russell Currey, Scott Wood, Simon Guo, Suraj
Jitindar Singh, Thiago Jung Bauermann, Tobias Klauser, Vaibhav Jain"
[ And thanks to Michael, who took time off from a new baby to get this
pull request done. - Linus ]
* tag 'powerpc-4.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (174 commits)
powerpc/fsl/dts: add FMan node for t1042d4rdb
powerpc/fsl/dts: add sg_2500_aqr105_phy4 alias on t1024rdb
powerpc/fsl/dts: add QMan and BMan nodes on t1024
powerpc/fsl/dts: add QMan and BMan nodes on t1023
soc/fsl/qman: test: use DEFINE_SPINLOCK()
powerpc/fsl-lbc: use DEFINE_SPINLOCK()
powerpc/8xx: Implement support of hugepages
powerpc: get hugetlbpage handling more generic
powerpc: port 64 bits pgtable_cache to 32 bits
powerpc/boot: Request no dynamic linker for boot wrapper
soc/fsl/bman: Use resource_size instead of computation
soc/fsl/qe: use builtin_platform_driver
powerpc/fsl_pmc: use builtin_platform_driver
powerpc/83xx/suspend: use builtin_platform_driver
powerpc/ftrace: Fix the comments for ftrace_modify_code
powerpc/perf: macros for power9 format encoding
powerpc/perf: power9 raw event format encoding
powerpc/perf: update attribute_group data structure
powerpc/perf: factor out the event format field
powerpc/mm/iommu, vfio/spapr: Put pages on VFIO container shutdown
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The hardware descriptors have big endian (BE) format.
Provide proper endianness handling for the remaining
descriptor fields, to ensure they are correctly
accessed by non-BE CPUs too.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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There are multiple occurences of both contextB and context_b
in different h/w descriptors, referring to the same descriptor
field known as "Context B". Stick with the "context_b" naming,
for obvious reasons including consistency (see also context_a).
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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ORP ("Order Restoration Point") mechanism not supported.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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Preventively mask every access to the 'fqid' h/w field,
since it is defined as a 24-bit field, for every h/w
descriptor. Add generic accessors for this field to
ensure correct access.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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context_a.hi is 32bit
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Arnd Bergmann:
"Driver updates for ARM SoCs, including a couple of newly added
drivers:
- A new driver for the power management controller on TI Keystone
- Support for the prerelease "SCPI" firmware protocol that ended up
being shipped by Amlogic in their GXBB SoC.
- A soc_device can now be matched using a glob from inside the
kernel, when another driver wants to know the specific chip it is
running on and cannot find out from DT, firmware or hardware.
- Renesas SoCs now support identification through the soc_device
interface, both in user space and kernel.
- Renesas r8a7743 and r8a7745 gain support for their system
controller
- A new checking module for the ARM "PSCI" (not to be confused with
"SCPI" mentioned above) firmware interface.
- A new driver for the Tegra GMI memory interface
- Support for the Tegra firmware interfaces with their power
management controllers
As usual, the updates for the reset controller framework are merged
here, as they tend to touch multiple SoCs as well, including a new
driver for the Oxford (now Broadcom) OX820 chip and the Tegra bpmp
interface.
The existing drivers for Atmel, Qualcomm, NVIDIA, TI Davinci, and
Rockchips SoCs see some further updates"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (76 commits)
misc: sram: remove useless #ifdef
drivers: psci: Allow PSCI node to be disabled
drivers: psci: PSCI checker module
soc: renesas: Identify SoC and register with the SoC bus
firmware: qcom: scm: Return PTR_ERR when devm_clk_get fails
firmware: qcom: scm: Remove core, iface and bus clocks dependency
dt-bindings: firmware: scm: Add MSM8996 DT bindings
memory: da8xx-ddrctl: drop the call to of_flat_dt_get_machine_name()
bus: da8xx-mstpri: drop the call to of_flat_dt_get_machine_name()
ARM: shmobile: Document DT bindings for Product Register
soc: renesas: rcar-sysc: add R8A7745 support
reset: Add Tegra BPMP reset driver
dt-bindings: firmware: Allow child nodes inside the Tegra BPMP
dt-bindings: Add power domains to Tegra BPMP firmware
firmware: tegra: Add BPMP support
firmware: tegra: Add IVC library
dt-bindings: firmware: Add bindings for Tegra BPMP
mailbox: tegra-hsp: Use after free in tegra_hsp_remove_doorbells()
mailbox: Add Tegra HSP driver
firmware: arm_scpi: add support for pre-v1.0 SCPI compatible
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers
soc: tegra: Core SoC changes for v4.10-rc1
This contains mostly cleanup and new feature work on the power
management controller as well as the addition of a Kconfig symbol for
the new Tegra186 (Parker) SoC generation.
* tag 'tegra-for-4.10-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: pmc: Use consistent naming for PM domains
soc/tegra: pmc: Remove genpd when adding provider fails
soc/tegra: pmc: Check return code for pm_genpd_init()
soc/tegra: pmc: Clean-up I/O rail error messages
soc/tegra: pmc: Simplify IO rail bit handling
soc/tegra: pmc: Guard against uninitialised PMC clock
soc/tegra: pmc: Add I/O pad voltage support
soc/tegra: pmc: Use consistent ordering of bit definitions
soc/tegra: pmc: Correct type of variable for tegra_pmc_readl()
soc/tegra: pmc: Use BIT macro for register field definition
Signed-off-by: Olof Johansson <olof@lixom.net>
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I/O pins on Tegra SoCs are grouped into so-called I/O pads. Each such
pad can be used to control the common voltage signal level and power
state of the pins in the given pad.
I/O pads can be powered down even if the system is active, which can
save power from that I/O interface. For SoC generations prior to
Tegra124 the I/O pad voltage is automatically detected and hence the
system software doesn't need to configure it. However, starting with
Tegra210 the detection logic has been removed, so explicit control of
the I/O pad voltage by system software is required.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers
firmware: Add Tegra IVC and BPMP support
IVC is an inter-processor communication protocol that uses shared memory
to exchange data between processors. The BPMP driver makes use of this
to communicate with the Boot and Power Management Processor (BPMP) and
uses an additional hardware synchronization primitive from the HSP block
to signal availability of new data (doorbell).
Firmware running on the BPMP implements a number of services such as the
control of clocks and resets within the system, or the ability to ungate
or gate power partitions.
* tag 'tegra-for-4.10-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
dt-bindings: firmware: Allow child nodes inside the Tegra BPMP
dt-bindings: Add power domains to Tegra BPMP firmware
firmware: tegra: Add BPMP support
firmware: tegra: Add IVC library
dt-bindings: firmware: Add bindings for Tegra BPMP
Signed-off-by: Olof Johansson <olof@lixom.net>
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The Boot and Power Management Processor (BPMP) is a co-processor found
on Tegra SoCs. It is designed to handle the early stages of the boot
process and offload power management tasks (such as clocks, resets,
powergates, ...) as well as system control services.
Compared to the ARM SCPI, the services provided by BPMP are message-
based rather than method-based. The BPMP firmware driver provides the
services to transmit data to and receive data from the BPMP. Users can
also register a Message ReQuest (MRQ), for which a service routine will
be run when a corresponding event is received from the firmware.
A set of messages, called the BPMP ABI, are specified for a number of
different services provided by the BPMP (such as clocks or resets).
Based on work by Sivaram Nair <sivaramn@nvidia.com> and Joseph Lo
<josephl@nvidia.com>.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The Inter-VM communication (IVC) is a communication protocol which is
designed for interprocessor communication (IPC) or the communication
between the hypervisor and the virtual machine with a guest OS.
Message channels are used to communicate between processors. They are
backed by DRAM or SRAM, so care must be taken to maintain coherence of
data.
The IVC library maintains memory-based descriptors for the transmission
and reception channels as well as the data coherence of the counter and
payload. Clients, such as the driver for the BPMP firmware, can use the
library to exchange messages with remote processors.
Based on work by Peter Newman <pnewman@nvidia.com> and Joseph Lo
<josephl@nvidia.com>.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Add registers and bits definitions for the security module found on
sama5d2.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
"These are mostly timer/clocksource driver updates which were
Reviewed/Acked by Daniel but had to be merged via ARC tree due to
dependencies.
I will follow up with another pull request with actual ARC changes
early next week !
Summary:
- Moving ARC timer driver into drivers/clocksource
- EZChip timer driver updates [Noam]
- ARC AXS103 and HAPS platform updates [Alexey]"
* tag 'arc-4.10-rc1-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: axs10x: really enable ARC PGU
ARC: rename Zebu platform support to HAPS
clocksource: nps: avoid maybe-uninitialized warning
clocksource: Add clockevent support to NPS400 driver
clocksource: update "fn" at CLOCKSOURCE_OF_DECLARE() of nps400 timer
soc: Support for NPS HW scheduling
clocksource: import ARC timer driver
ARC: breakout timer include code into separate header ...
ARC: move mcip.h into include/soc and adjust the includes
ARC: breakout aux handling into a separate header
ARC: time: move time_init() out of the driver
ARC: timer: gfrc, rtc: build under same option (64-bit timers)
ARC: timer: gfrc, rtc: Read BCR to detect whether hardware exists ...
ARC: timer: gfrc, rtc: deuglify big endian code
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This new header file is for NPS400 SoC (part of ARC architecture).
The header file includes macros for save/restore of HW scheduling.
The control of HW scheduling is achieved by writing core registers.
This code was moved from arc/plat-eznps so it can be used
from drivers/clocksource/, available only for CONFIG_EZNPS_MTM_EXT.
Signed-off-by: Noam Camus <noamca@mellanox.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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... which allows for use in drivers/clocksource later
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Also remove the dependency on ARCv2, to increase compile coverage for
!ARCV2 builds
Acked-by: Daniel Lezcano <daniel.lezcnao@linaro.org>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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ARC timers use aux registers for programming and this paves way for
moving ARC timer drivers into drivers/clocksource
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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The raspberrypi-firmware.h file should provide empty functions if we
aren't building in that option. This makes it easier to test-build
code, and not have odd warnings about unused variables if you just try
to #define away the functions.
Cc: Daniel Stone <daniels@collabora.com>
Cc: "Noralf Trønnes" <noralf@tronnes.org>
Cc: Pranith Kumar <bobby.prani@gmail.com>
Cc: popcornmix <popcornmix@gmail.com>
Cc: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This comes from the downstream tree and is needed for the new VCHIQ
driver in staging.
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull more powerpc updates from Michael Ellerman:
"Some more powerpc updates for 4.9:
Freescale updates from Scott Wood:
- qbman support (a prerequisite for datapath drivers such as ethernet)
- a PCI DMA fix+improvement
- reset handler changes
- more 8xx optimizations
- some cleanups and fixes.'
Fixes:
- selftests/powerpc: Add missing binaries to .gitignores (Michael Ellerman)
- selftests/powerpc: Fix build break caused by EXPORT_SYMBOL changes (Michael Ellerman)
- powerpc/pseries: Fix stack corruption in htpe code (Laurent Dufour)
- powerpc/64s: Fix power4_fixup_nap placement (Nicholas Piggin)
- powerpc/64: Fix incorrect return value from __copy_tofrom_user (Paul Mackerras)
- powerpc/mm/hash64: Fix might_have_hea() check (Michael Ellerman)
Other:
- MAINTAINERS: Remove myself from PA Semi entries (Olof Johansson)
- MAINTAINERS: Drop separate pseries entry (Michael Ellerman)
- MAINTAINERS: Update powerpc website & add selftests (Michael Ellerman):
* tag 'powerpc-4.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (35 commits)
powerpc/mm/hash64: Fix might_have_hea() check
powerpc/64: Fix incorrect return value from __copy_tofrom_user
powerpc/64s: Fix power4_fixup_nap placement
powerpc/pseries: Fix stack corruption in htpe code
selftests/powerpc: Fix build break caused by EXPORT_SYMBOL changes
MAINTAINERS: Update powerpc website & add selftests
MAINTAINERS: Drop separate pseries entry
MAINTAINERS: Remove myself from PA Semi entries
selftests/powerpc: Add missing binaries to .gitignores
arch/powerpc: Add CONFIG_FSL_DPAA to corenetXX_smp_defconfig
soc/qman: Add self-test for QMan driver
soc/bman: Add self-test for BMan driver
soc/fsl: Introduce DPAA 1.x QMan device driver
soc/fsl: Introduce DPAA 1.x BMan device driver
powerpc/8xx: make user addr DTLB miss the short path
powerpc/8xx: Move additional DTLBMiss handlers out of exception area
powerpc/8xx: use r3 to scratch CR in ITLBmiss
soc/fsl/qe: fix gpio save_regs functions
powerpc/8xx: add dedicated machine check handler
powerpc/8xx: add system_reset_exception
...
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This driver enables the Freescale DPAA 1.x Queue Manager block.
QMan is a hardware accelerator that manages frame queues. It allows
CPUs and other accelerators connected to the SoC datapath to enqueue
and dequeue ethernet frames, thus providing the infrastructure for
data exchange among CPUs and datapath accelerators.
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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This driver enables the Freescale DPAA 1.x Buffer Manager block.
BMan is a hardware accelerator that manages buffer pools. It allows
CPUs and other accelerators connected to the SoC datapath to acquire
and release buffers during data processing.
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Scott Wood <oss@buserror.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk framework updates from Stephen Boyd:
"The core clk framework changes are small again. They're mostly minor
fixes that weren't causing enough problems (or any problems when we're
just clarifying things) to warrant sending outside the merge window.
The majority of changes are in drivers for various SoCs. Full details
are in the logs, but here's the summary.
Core:
- Better support for DeviceTree overlays with the addition of the
CLK_OF_DECLARE_DRIVER macro. Now we won't probe a clk driver for a
device node that matched during of_clk_init(), unless the driver
uses CLK_OF_DECLARE_DRIVER instead of CLK_OF_DECLARE. This allows
overlays to work cleanly for drivers that must probe before the
device model is ready, and also after it's ready when an overlay is
loaded.
- Clarification in the code around how clk_hw pointers are returned
from of clk providers
- Proper migration of prepare/enable counts to parents when the clk
tree is constructed
New Drivers:
- Socionext's UniPhier SoCs
- Loongson1C
- ZTE ZX296718
- Qualcomm MDM9615
- Amlogic GXBB AO clocks and resets
- Broadcom BCM53573 ILP
- Maxim MAX77620
Updates:
- Four Allwinner SoCs are migrated to the new style clk driver (A31,
A31s, A23 and A33)
- Exynos 5xxx audio and DRAM clks
- Loongson1B AC97, DMA and NAND clks
- Rockchip DDR clks and rk3399 driver tweaks
- Renesas R-Car M3-W (r8a7796) SoC SDHI interface and Watchdog timer
clks
- Renasas R-Car H3 and M3-W CMT clks and RAVB+Thermal clks for M3-W
- Amlogic GXBB MMC gate clks
- at91 sama5d4 sckc
- Removal of STiH415 and STiH416 clk support as the SoC is being
removed
- Rework of STiH4xx clk support for new style bindings
- Continuation of driver migration to clk_hw based registration APIs
- xgene PMD support
- bcm2835 critical clk markings
- ARM versatile ICST"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (199 commits)
CLK: Add Loongson1C clock support
clk: Loongson1: Make use of GENMASK
clk: Loongson1: Update clocks of Loongson1B
clk: Loongson1: Refactor Loongson1 clock
clk: change the type of clk_hw_onecell_data.num to unsigned int
clk: zx296718: register driver earlier with core_initcall
clk: mvebu: dynamically allocate resources in Armada CP110 system controller
clk: mvebu: fix setting unwanted flags in CP110 gate clock
clk: nxp: clk-lpc32xx: Unmap region obtained by of_iomap
clk: mediatek: clk-mt8173: Unmap region obtained by of_iomap
clk: sunxi-ng: Fix reset offset for the A23 and A33
clk: at91: sckc: optimize boot time
clk: at91: Add sama5d4 sckc support
clk: at91: move slow clock controller clocks to sckc.c
clk: imx6: initialize GPU clocks
clk: imx6: fix i.MX6DL clock tree to reflect reality
clk: imx53: Add clocks configuration
clk: uniphier: add clock data for UniPhier SoCs
clk: uniphier: add core support code for UniPhier clock driver
clk: bcm: Add driver for BCM53573 ILP clock
...
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Add a header for the SIP interface defined to access the dcf controller
handling ddr rate changes on rk3399 (and most likely later socs).
This interface is shared between the clock driver as well as the
devfreq driver.
The SIP interface counterpart was merged from pull-request #684 [0]
into the upstream arm-trusted-firmware codebase.
[0] https://github.com/ARM-software/arm-trusted-firmware/pull/684
Signed-off-by: Lin Huang <hl@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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The usb controller does not manage correctly the suspend mode for
the ehci. In echi mode, there is no way to suspend without any
device connected to it. This is why this specific control is added
to fix this issue. Since the suspend mode works in ohci mode, this
specific control works by suspend the usb controller in ohci mode.
This specific control is by setting the SUSPEND_A/B/C fields of
SFR_OHCIICR(OHCI Interrupt Configuration Register) in the SFR
while the OHCI USB suspend.
This set operation must be done before the USB clock disabled,
clear operation after the USB clock enabled.
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Driver updates for ARM SoCs.
A slew of changes this release cycle. The reset driver tree, that we
merge through arm-soc for historical reasons, is also sizable this
time around.
Among the changes:
- clps711x: Treewide changes to compatible strings, merged here for simplicity.
- Qualcomm: SCM firmware driver cleanups, move to platform driver
- ux500: Major cleanups, removal of old mach-specific infrastructure.
- Atmel external bus memory driver
- Move of brcmstb platform to the rest of bcm
- PMC driver updates for tegra, various fixes and improvements
- Samsung platform driver updates to support 64-bit Exynos platforms
- Reset controller cleanups moving to devm_reset_controller_register() APIs
- Reset controller driver for Amlogic Meson
- Reset controller driver for Hisilicon hi6220
- ARM SCPI power domain support"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (100 commits)
ARM: ux500: consolidate base platform files
ARM: ux500: move soc_id driver to drivers/soc
ARM: ux500: call ux500_setup_id later
ARM: ux500: consolidate soc_device code in id.c
ARM: ux500: remove cpu_is_u* helpers
ARM: ux500: use CLK_OF_DECLARE()
ARM: ux500: move l2x0 init to .init_irq
mfd: db8500 stop passing around platform data
ASoC: ab8500-codec: remove platform data based probe
ARM: ux500: move ab8500_regulator_plat_data into driver
ARM: ux500: remove unused regulator data
soc: raspberrypi-power: add CONFIG_OF dependency
firmware: scpi: add CONFIG_OF dependency
video: clps711x-fb: Changing the compatibility string to match with the smallest supported chip
input: clps711x-keypad: Changing the compatibility string to match with the smallest supported chip
pwm: clps711x: Changing the compatibility string to match with the smallest supported chip
serial: clps711x: Changing the compatibility string to match with the smallest supported chip
irqchip: clps711x: Changing the compatibility string to match with the smallest supported chip
clocksource: clps711x: Changing the compatibility string to match with the smallest supported chip
clk: clps711x: Changing the compatibility string to match with the smallest supported chip
...
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The PCIe host controller found on Tegra20 has a hardware bug that causes
PCIe interrupts to get lost when LP2 is enabled. Stub out the workaround
on 64-bit ARM because none of the more recent Tegra SoC generations seem
to have this bug anymore.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
"Improved and new platform support for various SoCs:
New SoC support:
- Broadcom BCM23550
- Freescale i.MX7Solo
- Qualcomm MDM9615
- Renesas r8a7792
Improvements:
- convert clps711x to multiplatform
- debug uart improvements for Atmel platforms
- Tango platform improvements: HOTPLUG_CPU, Suspend-to-ram
- OMAP tweaks and improvements to hwmod
- OMAP support for kexec on SMP"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (109 commits)
ARM: davinci: fix build break because of undeclared dm365_evm_snd_data
ARM: s3c64xx: smartq: Avoid sparse warnings
ARM: sti: Implement dummy L2 cache's write_sec
ARM: STi: Update machine _namestr to be more generic.
arm: meson: explicitly select clk drivers
ARM: tango: add Suspend-to-RAM support
ARM: hisi: consolidate the hisilicon machine entries
ARM: tango: fix CONFIG_HOTPLUG_CPU=n build
MAINTAINERS: Update BCM281XX/BCM11XXX/BCM216XX entry
MAINTAINERS: Update BCM63XX entry
MAINTAINERS: Add NS2 entry
MAINTAINERS: Fix nsp false-positives
MAINTAINERS: Change L to M for Broadcom ARM/ARM64 SoC entries
ARM: debug: Enable DEBUG_BCM_5301X for Northstar Plus SoCs
ARM: clps711x: Switch to MULTIPLATFORM
ARM: clps711x: Remove boards support
ARM: clps711x: Add basic DT support
ARM: clps711x: Reduce static map size
ARM: SAMSUNG: Constify iomem address passed to s5p_init_cpu
ARM: oxnas: Change OX810SE default driver config
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If both CONFIG_CPU_IDLE or CONFIG_SOC_IMX6Q are not set
then the imx6q_cpuidle_fec_irqs_used() and other functions
should be marked static inline to avoid the following
warnings whilst building drivers/net/ethernet/freescale:
include/soc/imx/cpuidle.h:21:6: warning: symbol 'imx6q_cpuidle_fec_irqs_used' was not declared. Should it be static?
include/soc/imx/cpuidle.h:22:6: warning: symbol 'imx6q_cpuidle_fec_irqs_unused' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The i.MX6 Q/DL has an erratum (ERR006687) that prevents the FEC from
waking the CPUs when they are in wait(unclocked) state. As the hardware
workaround isn't applicable to all boards, disable the deeper idle state
when the workaround isn't present and the FEC is in use.
This allows to safely run a kernel with CPUidle enabled on all i.MX6
boards.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: David S. Miller <davem@davemloft.net> (for network changes)
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The CONFIG_ prefix should only be used for options which
can be configured through Kconfig and not for guarding headers.
Signed-off-by: Andreas Ziegler <andreas.ziegler@fau.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver add hdlc support for Freescale QUICC Engine.
It support NMSI and TSA mode.
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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QE has module to support TDM, some other protocols
supported by QE are based on TDM.
add a qe-tdm lib, this lib provides functions to the protocols
using TDM to configurate QE-TDM.
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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