This release brings up a new platform based on the old ARM9 core: the
Nuvoton NPCM is used as a baseboard management controller, competing
with the better known ASpeed AST2xx series.
Another important change is the addition of ARMv7-A based chips
in mach-stm32. The older parts in this platform are ARMv7-M based
microcontrollers, now they are expanding to general-purpose workloads.
The other changes are the usual defconfig updates to enable additional
drivers, lesser bugfixes. The largest updates as often are the ongoing
OMAP cleanups, but we also have a number of changes for the older
PXA and davinci platforms this time.
For the Renesas shmobile/r-car platform, some new infrastructure
is needed to make the watchdog work correctly.
Supporting Multiprocessing on Allwinner A80 required a significant
amount of new code, but is not doing anything unexpected.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Arnd Bergmann:
"This release brings up a new platform based on the old ARM9 core: the
Nuvoton NPCM is used as a baseboard management controller, competing
with the better known ASpeed AST2xx series.
Another important change is the addition of ARMv7-A based chips in
mach-stm32. The older parts in this platform are ARMv7-M based
microcontrollers, now they are expanding to general-purpose workloads.
The other changes are the usual defconfig updates to enable additional
drivers, lesser bugfixes. The largest updates as often are the ongoing
OMAP cleanups, but we also have a number of changes for the older PXA
and davinci platforms this time.
For the Renesas shmobile/r-car platform, some new infrastructure is
needed to make the watchdog work correctly.
Supporting Multiprocessing on Allwinner A80 required a significant
amount of new code, but is not doing anything unexpected"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (179 commits)
arm: npcm: modify configuration for the NPCM7xx BMC.
MAINTAINERS: update entry for ARM/berlin
ARM: omap2: fix am43xx build without L2X0
ARM: davinci: da8xx: simplify CFGCHIP regmap_config
ARM: davinci: da8xx: fix oops in USB PHY driver due to stack allocated platform_data
ARM: multi_v7_defconfig: add NXP FlexCAN IP support
ARM: multi_v7_defconfig: enable thermal driver for i.MX devices
ARM: multi_v7_defconfig: add RN5T618 PMIC family support
ARM: multi_v7_defconfig: add NXP graphics drivers
ARM: multi_v7_defconfig: add GPMI NAND controller support
ARM: multi_v7_defconfig: add OCOTP driver for NXP SoCs
ARM: multi_v7_defconfig: configure I2C driver built-in
arm64: defconfig: add CONFIG_UNIPHIER_THERMAL and CONFIG_SNI_AVE
ARM: imx: fix imx6sll-only build
ARM: imx: select ARM_CPU_SUSPEND for CPU_IDLE as well
ARM: mxs_defconfig: Re-sync defconfig
ARM: imx_v4_v5_defconfig: Use the generic fsl-asoc-card driver
ARM: imx_v4_v5_defconfig: Re-sync defconfig
arm64: defconfig: enable stmmac ethernet to defconfig
ARM: EXYNOS: Simplify code in coupled CPU idle hot path
...
When selecting SOC_IMX6SLL but not SOC_IMX6SL, we get a link error:
arch/arm/mach-imx/mach-imx6sl.o: In function `imx6sl_init_late':
mach-imx6sl.c:(.init.text+0x14): undefined reference to `imx6sl_cpuidle_init'
This adds the missing line to the Makefile to also build the cpuidle
support that we need here.
Fixes: dee5dee2a5 ("ARM: imx: Add basic msl support for imx6sll")
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The cpuidle support calls cpu_suspend(), which is compiled conditionally,
and fails to link unless something selects CONFIG_ARM_CPU_SUSPEND.
arch/arm/mach-imx/cpuidle-imx6sx.o: In function `imx6sx_enter_wait':
cpuidle-imx6sx.c:(.text+0x6c): undefined reference to `cpu_suspend'
This adds an explicit select statement here.
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Now that all the grouping is done with RB trees, we no longer need
group_entry and can replace the whole thing with sibling_list.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Carrillo-Cisneros <davidcc@google.com>
Cc: Dmitri Prokhorov <Dmitry.Prohorov@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Valery Cherepennikov <valery.cherepennikov@intel.com>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Add basic MSL support for i.MX6SLL.
The i.MX 6SoloLiteLite application processors are NXP's latest
additions to a growing family of multimedia-focused products
offering high-performance processing optimized for lowest power
consumption. The i.MX 6SoloLiteLite processors feature NXP's advanced
implementation of the ARM Cortex-A9 core, which can be interfaced
with LPDDR3 and LPDDR2 DRAM memory devices.
Signed-off-by: Bai Ping <ping.bai@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Simplify the error path by returning the error code directly rather
than jumping to a label.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
imx25 contains two registers (LPIMR0 and 1) to define which interrupts
are enabled in low-power mode. As of today, those two registers are
configured to enable all interrupts. Before going to low-power mode, the
AVIC's INTENABLEH and INTENABLEL registers are configured to enable only
those interrupts which are used as wakeup sources.
It turned out that this approach is not sufficient if we want the imx25
to go into stop mode during suspend-to-ram. (Stop mode is the low-power
mode that consumes the least power. The peripheral master clock is
switched off in this mode). For stop mode to work, the LPIMR0 and 1
registers have to be configured with the set of interrupts that are
allowed in low-power mode. Fortunately, the bits in the LPIMR registers
are assigned to the same interrupts as the bits in INTENABLEH and
INTENABLEL. However, LPIMR uses 1 to mask an interrupt whereas the
INTENABLE registers use 1 to enable an interrupt.
This patch sets the LPIMR registers to the inverted bitmask of the
INTENABLE registers during suspend and goes back to "all interrupts
masked" when we wake up again. We also make this the default at startup.
As far as I know, the other supported imx architectures have no similar
mechanism. Since the LPIMR registers are part of the CCM module, we
query the device tree for an imx25 ccm node in order to detect if we're
running on imx25.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
On our i.MX6 SOC, the DIGPROG register is used for representing the
SOC ID and silicon revision. The revision has two part: MAJOR and
MINOR. each is represented in 8 bits in the register.
bits [15:8]: reflect the MAJOR part of the revision;
bits [7:0]: reflect the MINOR part of the revision;
In our linux kernel, the soc revision is represented in 8 bits.
MAJOR part and MINOR each occupy 4 bits.
previous method does NOT take care about the MAJOR part in DIGPROG
register. So reformat the revision read from the HW to be compatible
with the revision format used in kernel.
Signed-off-by: Bai Ping <ping.bai@nxp.com>
Acked-by: Dong Aisheng <aisheng.dong@nxp.com>
Tested-by: Christoph Fritz <chf.fritz@googlemail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
When the CPU is in ARM power off state the ARM architected
timers are stopped. The flag is already present in the higher
power WAIT mode.
This allows to use the ARM generic timer on i.MX 6UL/6ULL SoC.
Without the flag the kernel freezes when the timer enters the
first time ARM power off mode.
Note: The default timer on i.MX6SX is the i.MX GPT timer which is
not disabled during CPU idle. However, the timer is not affected
by the CPUIDLE_FLAG_TIMER_STOP flag. The flag only affects CPU
local timers.
Cc: Anson Huang <anson.huang@nxp.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Currently there is no user of EPIT, so remove such unused code.
If someone wants to add EPIT support back, then the person needs to
create a proper support into drivers/clocksource/ and add device
tree support, proper bindings, etc.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Remove the defintion of mx3_cpu_lp_set(), this function is not
implemented anywhere. Remove then mx3_cpu_pwr_mode enum as well,
it was used only as parameter of mx3_cpu_lp_set().
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The power saving status bit will not signal if the MMDC is under load,
which is likely during kernel boot. There is no point in checking this
bit and aborting the probe, as there is nothing depending on power
saving being enabled, so we can trust the memory controller to enable
power saving when we allow it.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Most of the commits are for defconfig changes, to enable newly added
drivers or features that people have started using. For the changed
lines lines, we have mostly cleanups, the affected platforms are
OMAP, Versatile, EP93xx, Samsung, Broadcom, i.MX, and Actions.
The largest single change is the introduction of the TI "sysc" bus
driver, with the intention of cleaning up more legacy code.
Two new SoC platforms get added this time:
- Allwinner R40 is a modernized version of the A20 chip, now
with a Quad-Core ARM Cortex-A7. According to the manufacturer,
it is intended for "Smart Hardware"
- Broadcom Hurricane 2 (Aka Strataconnect BCM5334X) is a family
of chips meant for managed gigabit ethernet switches, based
around a Cortex-A9 CPU.
Finally, we gain SMP support for two platforms: Renesas R-Car E2
and Amlogic Meson8/8b, which were previously added but only supported
uniprocessor operation.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Arnd Bergmann:
"Most of the commits are for defconfig changes, to enable newly added
drivers or features that people have started using. For the changed
lines lines, we have mostly cleanups, the affected platforms are OMAP,
Versatile, EP93xx, Samsung, Broadcom, i.MX, and Actions.
The largest single change is the introduction of the TI "sysc" bus
driver, with the intention of cleaning up more legacy code.
Two new SoC platforms get added this time:
- Allwinner R40 is a modernized version of the A20 chip, now with a
Quad-Core ARM Cortex-A7. According to the manufacturer, it is
intended for "Smart Hardware"
- Broadcom Hurricane 2 (Aka Strataconnect BCM5334X) is a family of
chips meant for managed gigabit ethernet switches, based around a
Cortex-A9 CPU.
Finally, we gain SMP support for two platforms: Renesas R-Car E2 and
Amlogic Meson8/8b, which were previously added but only supported
uniprocessor operation"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (118 commits)
ARM: multi_v7_defconfig: Select RPMSG_VIRTIO as module
ARM: multi_v7_defconfig: enable CONFIG_GPIO_UNIPHIER
arm64: defconfig: enable CONFIG_GPIO_UNIPHIER
ARM: meson: enable MESON_IRQ_GPIO in Kconfig for meson8b
ARM: meson: Add SMP bringup code for Meson8 and Meson8b
ARM: smp_scu: allow the platform code to read the SCU CPU status
ARM: smp_scu: add a helper for powering on a specific CPU
dt-bindings: Amlogic: Add Meson8 and Meson8b SMP related documentation
ARM: OMAP3: Delete an unnecessary variable initialisation in omap3xxx_hwmod_init()
ARM: OMAP3: Use common error handling code in omap3xxx_hwmod_init()
ARM: defconfig: select the right SX150X driver
arm64: defconfig: Enable QCOM_IOMMU
arm64: Add ThunderX drivers to defconfig
arm64: defconfig: Enable Tegra PCI controller
cpufreq: imx6q: Move speed grading check to cpufreq driver
arm64: defconfig: re-enable Qualcomm DB410c USB
ARM: configs: stm32: Add MDMA support in STM32 defconfig
ARM: imx: Enable cpuidle for i.MX6DL starting at 1.1
bus: ti-sysc: Fix unbalanced pm_runtime_enable by adding remove
bus: ti-sysc: mark PM functions as __maybe_unused
...
* pm-cpufreq: (22 commits)
cpufreq: stats: Handle the case when trans_table goes beyond PAGE_SIZE
cpufreq: arm_big_little: make cpufreq_arm_bL_ops structures const
cpufreq: arm_big_little: make function arguments and structure pointer const
cpufreq: pxa: convert to clock API
cpufreq: speedstep-lib: mark expected switch fall-through
cpufreq: ti-cpufreq: add missing of_node_put()
cpufreq: dt: Remove support for Exynos4212 SoCs
cpufreq: imx6q: Move speed grading check to cpufreq driver
cpufreq: ti-cpufreq: kfree opp_data when failure
cpufreq: SPEAr: pr_err() strings should end with newlines
cpufreq: powernow-k8: pr_err() strings should end with newlines
cpufreq: dt-platdev: drop socionext,uniphier-ld6b from whitelist
arm64: wire cpu-invariant accounting support up to the task scheduler
arm64: wire frequency-invariant accounting support up to the task scheduler
arm: wire cpu-invariant accounting support up to the task scheduler
arm: wire frequency-invariant accounting support up to the task scheduler
drivers base/arch_topology: allow inlining cpu-invariant accounting support
drivers base/arch_topology: provide frequency-invariant accounting support
cpufreq: dt: invoke frequency-invariance setter function
cpufreq: arm_big_little: invoke frequency-invariance setter function
...
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.
By default all files without license information are under the default
license of the kernel, which is GPL version 2.
Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier. The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.
How this work was done:
Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
- file had no licensing information it it.
- file was a */uapi/* one with no licensing information in it,
- file was a */uapi/* one with existing licensing information,
Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.
The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne. Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.
The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed. Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.
Criteria used to select files for SPDX license identifier tagging was:
- Files considered eligible had to be source code files.
- Make and config files were included as candidates if they contained >5
lines of source
- File already had some variant of a license header in it (even if <5
lines).
All documentation files were explicitly excluded.
The following heuristics were used to determine which SPDX license
identifiers to apply.
- when both scanners couldn't find any license traces, file was
considered to have no license information in it, and the top level
COPYING file license applied.
For non */uapi/* files that summary was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 11139
and resulted in the first patch in this series.
If that file was a */uapi/* path one, it was "GPL-2.0 WITH
Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was:
SPDX license identifier # files
---------------------------------------------------|-------
GPL-2.0 WITH Linux-syscall-note 930
and resulted in the second patch in this series.
- if a file had some form of licensing information in it, and was one
of the */uapi/* ones, it was denoted with the Linux-syscall-note if
any GPL family license was found in the file or had no licensing in
it (per prior point). Results summary:
SPDX license identifier # files
---------------------------------------------------|------
GPL-2.0 WITH Linux-syscall-note 270
GPL-2.0+ WITH Linux-syscall-note 169
((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21
((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17
LGPL-2.1+ WITH Linux-syscall-note 15
GPL-1.0+ WITH Linux-syscall-note 14
((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5
LGPL-2.0+ WITH Linux-syscall-note 4
LGPL-2.1 WITH Linux-syscall-note 3
((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3
((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1
and that resulted in the third patch in this series.
- when the two scanners agreed on the detected license(s), that became
the concluded license(s).
- when there was disagreement between the two scanners (one detected a
license but the other didn't, or they both detected different
licenses) a manual inspection of the file occurred.
- In most cases a manual inspection of the information in the file
resulted in a clear resolution of the license that should apply (and
which scanner probably needed to revisit its heuristics).
- When it was not immediately clear, the license identifier was
confirmed with lawyers working with the Linux Foundation.
- If there was any question as to the appropriate license identifier,
the file was flagged for further research and to be revisited later
in time.
In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.
Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights. The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.
Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.
In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.
Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
- a full scancode scan run, collecting the matched texts, detected
license ids and scores
- reviewing anything where there was a license detected (about 500+
files) to ensure that the applied SPDX license was correct
- reviewing anything where there was no detection but the patch license
was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
SPDX license was correct
This produced a worksheet with 20 files needing minor correction. This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.
These .csv files were then reviewed by Greg. Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected. This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.) Finally Greg ran the script using the .csv files to
generate the patches.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
On some i.MX6 SoCs (like i.MX6SL, i.MX6SX and i.MX6UL) that do not have
speed grading check, opp table will not be created in platform code,
so cpufreq driver prints the following error message:
cpu cpu0: dev_pm_opp_get_opp_count: OPP table not found (-19)
However, this is not really an error in this case because the
imx6q-cpufreq driver first calls dev_pm_opp_get_opp_count()
and if it fails, it means that platform code does not provide
OPP and then dev_pm_opp_of_add_table() will be called.
In order to avoid such confusing error message, move the speed grading
check from platform code to the imx6q-cpufreq driver.
This way the imx6q-cpufreq no longer has to check whether OPP table
is supplied by platform code.
Tested on a i.MX6Q and i.MX6UL based boards.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Enable cpuidle support on i.MX6DL starting from IMX_CHIP_REVISION_1_1.
This also makes the code cleaner because 6q and 6dl actually have
different revision histories.
Signed-off-by: Bai Ping <ping.bai@nxp.com>
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The following build warning is seen with W=1:
warning: no previous prototype for ‘mx31lite_map_io’
[-Wmissing-prototypes] void __init mx31lite_map_io(void)
This function is only used in this file so make it "static".
Signed-off-by: Marco Franchi <marco.franchi@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The following build warning is seen with W=1:
warning: no previous prototype for ‘imx5_cpuidle_init’
[-Wmissing-prototypes] int __init imx5_cpuidle_init(void)
Fix this warning by including "cpuidle.h".
Signed-off-by: Marco Franchi <marco.franchi@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The following build warning is seen with W=1:
warning: no previous prototype for ‘mxc_expio_init’
[-Wmissing-prototypes] int __init mxc_expio_init(u32 base, u32 intr_gpio)
Fix this warning by including "3ds_debugboard.h".
Signed-off-by: Marco Franchi <marco.franchi@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The following build warnings are seen with W=1:
warning: no previous prototype for ‘mx31moboard_devboard_init’
[-Wmissing-prototypes] void __init mx31moboard_devboard_init(void)
warning: no previous prototype for ‘mx31moboard_marxbot_init’
[-Wmissing-prototypes] void __init mx31moboard_marxbot_init(void)
Fix these warnings by including "board-mx31moboard.h".
Signed-off-by: Marco Franchi <marco.franchi@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
On some i.MX6 SoCs (like i.MX6SL, i.MX6SX and i.MX6UL) that do not have
speed grading check, opp table will not be created in platform code,
so cpufreq driver prints the following error message:
cpu cpu0: dev_pm_opp_get_opp_count: OPP table not found (-19)
However, this is not really an error in this case because the
imx6q-cpufreq driver first calls dev_pm_opp_get_opp_count()
and if it fails, it means that platform code does not provide
OPP and then dev_pm_opp_of_add_table() will be called.
In order to avoid such confusing error message, move the speed grading
check from platform code to the imx6q-cpufreq driver.
This way the imx6q-cpufreq no longer has to check whether OPP table
is supplied by platform code.
Tested on a i.MX6Q and i.MX6UL based boards.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- removal of the old dma_alloc_noncoherent interface
- remove unused flags to dma_declare_coherent_memory
- restrict OF DMA configuration to specific physical busses
- use the iommu mailing list for dma-mapping questions and
patches
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Merge tag 'dma-mapping-4.14' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping updates from Christoph Hellwig:
- removal of the old dma_alloc_noncoherent interface
- remove unused flags to dma_declare_coherent_memory
- restrict OF DMA configuration to specific physical busses
- use the iommu mailing list for dma-mapping questions and patches
* tag 'dma-mapping-4.14' of git://git.infradead.org/users/hch/dma-mapping:
dma-coherent: fix dma_declare_coherent_memory() logic error
ARM: imx: mx31moboard: Remove unused 'dma' variable
dma-coherent: remove an unused variable
MAINTAINERS: use the iommu list for the dma-mapping subsystem
dma-coherent: remove the DMA_MEMORY_MAP and DMA_MEMORY_IO flags
dma-coherent: remove the DMA_MEMORY_INCLUDES_CHILDREN flag
of: restrict DMA configuration
dma-mapping: remove dma_alloc_noncoherent and dma_free_noncoherent
i825xx: switch to switch to dma_alloc_attrs
au1000_eth: switch to dma_alloc_attrs
sgiseeq: switch to dma_alloc_attrs
dma-mapping: reduce dma_mapping_error inline bloat
This branch contains platform updates for 32- and 64-bit ARM,
including defconfig updates to enable new options, drivers and
platforms. There are also a few fixes and cleanups for some existing vendors.
Some of the things worth highlighting here are:
- Enabling new crypt drivers on arm64 defconfig
- QCOM IPQ8074 clocks and pinctrl drivers on arm64 defconfig
- Debug support enabled for Renesas r8a7743
- Various config updates for Renesas platforms (sound, USB, other drivers)
- Platform support (including SMP) for TI dra762
- OMAP cleanups: Move to use generic 8250 debug_ll, removal of stale DMA code
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Merge tag 'armsoc-platforms' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM/arm64 SoC platform updates from Olof Johansson: "This branch
contains platform updates for 32- and 64-bit ARM, including defconfig
updates to enable new options, drivers and platforms. There are also a
few fixes and cleanups for some existing vendors.
Some of the things worth highlighting here are:
- Enabling new crypt drivers on arm64 defconfig
- QCOM IPQ8074 clocks and pinctrl drivers on arm64 defconfig
- Debug support enabled for Renesas r8a7743
- Various config updates for Renesas platforms (sound, USB, other
drivers)
- Platform support (including SMP) for TI dra762
- OMAP cleanups: Move to use generic 8250 debug_ll, removal of stale
DMA code"
* tag 'armsoc-platforms' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (109 commits)
ARM: multi_v7_defconfig: make eSDHC driver built-in
arm64: defconfig: enable rockchip graphics
MAINTAINERS: Update Cavium ThunderX2 entry
ARM: config: aspeed: Add I2C, VUART, LPC Snoop
ARM: configs: aspeed: Update Aspeed G4 with VMSPLIT_2G
ARM: s3c24xx: Fix NAND ECC mode for mini2440 board
ARM: davinci_all_defconfig: enable tinydrm and ST7586
arm64: defconfig: Enable QCOM IPQ8074 clock and pinctrl
ARM: defconfig: tegra: Enable ChipIdea UDC driver
ARM: configs: Add Tegra I2S interfaces to multi_v7_defconfig
ARM: tegra: Add Tegra I2S interfaces to defconfig
ARM: tegra: Update default configuration for v4.13-rc1
MAINTAINERS: update ARM/ZTE entry
soc: versatile: remove unnecessary static in realview_soc_probe()
ARM: Convert to using %pOF instead of full_name
ARM: hisi: Fix typo in comment
ARM: multi_v7_defconfig: add CONFIG_BRCMSTB_THERMAL
arm64: defconfig: add CONFIG_BRCMSTB_THERMAL
arm64: defconfig: add recently added crypto drivers as modules
arm64: defconfig: enable CONFIG_UNIPHIER_WATCHDOG
...
Commit 2436bdcda5 ("dma-coherent: remove the DMA_MEMORY_MAP and
DMA_MEMORY_IO flags") missed to remove the 'dma' variable causing
the following build warning:
arch/arm/mach-imx/mach-mx31moboard.c:478:6: warning: unused variable 'dma' [-Wunused-variable]
Remove the unused 'dma' variable.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
DMA_MEMORY_IO was never used in the tree, so remove it. That means there is
no need for the DMA_MEMORY_MAP flag either now, so remove it as well and
change dma_declare_coherent_memory to return a normal errno value.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Marek Szyprowski <m.szyprowski@samsung.com>
Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Javier Martinez Canillas <javier@osg.samsung.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: "Benoît Cousson" <bcousson@baylibre.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
We are planning to share more code between different NAND based
devices (SPI NAND, OneNAND and raw NANDs), but before doing that
we need to move the existing include/linux/mtd/nand.h file into
include/linux/mtd/rawnand.h so we can later create a nand.h header
containing all common structure and function prototypes.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Peter Pan <peterpandong@micron.com>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Acked-by: Wenyou Yang <wenyou.yang@microchip.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Han Xu <han.xu@nxp.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-By: Harvey Hunt <harveyhuntnexus@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Krzysztof Halasa <khalasa@piap.pl>
Suspend and resume on imx6ull is currenty not working because of some
missed checks where behavior should match imx6ul.
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Support for imx6ull is already present but it's based on
of_machine_is_compatible("fsl,imx6ull") checks. Add it to the MXC_CPU_*
enumeration as well.
This also fixes /sys/devices/soc0/soc_id reading "Unknown".
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
GPCv2 IP block is a part of i.MX7 SoC. Select it to make corresponding
driver availible to support DT changes following this patch.
Cc: yurovsky@gmail.com
Cc: Dong Aisheng <aisheng.dong@nxp.com>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from 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
...
The problem described in commit 6befda9a27 ("ARM: i.MX53: globally
disable supervisor protect") for the i.MX53 platform applies to i.MX25
as well.
E.g. CSPI1+SDMA and SSI1+SDMA are not working with the default AIPS
configuration. Modifiy the AIPS configuration to allow access to the bus
by SDMA and peripherals.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Some platform based configuration setup of spi-imx SPI devices does
not set the "chip_select" to the actual hardware chip select used.
This works because the cs_gpio mapping that is associated with this
platform setup maps the chip_select offset used to the appropriate
hardware chip select. The spi-imx driver uses the chip_select as an
index into the cs_gpio array and ultimately gets the correct hardware
chip select for its hardware setup.
The motivation is to be able to eventually modify the spi-imx code to
use the "chip_select" directly for harwdare setup instead of indirectly
via the cs_gpio mapping array.
This change only affects platforms using the hardware chip select
addressing method for their SPI devices (sometimes called native chip
select). The majority of devices using the spi-imx driver use the GPIO
addressing method.
The change to use the correct "chip_select" is strait forward. But the
cs_gpio mapping arrary also needs to be modifed to match that change. In
simple terms the cs_gpio mapping should always have the hardware chip
select number at its same index offset.
There is no functional change with these patches. The three affected
platforms should work exactly as before. However I don't have any of
these platforms (or access to them) and so I can't test them. So this
patch is compile tested only.
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Add support for an extra config parameter for perf commands:
axi_id, which will be written in the MMDC's MADPCR1 register,
to filter memory usage profiling (see i.MX6 reference manual,
chapter 44.7 MMDC Profiling for AXI id usage).
Signed-off-by: Tiberiu Breana <andrei-tiberiu.breana@nxp.com>
Acked-by: Frank Li <Frank.li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Fixed an error in the "write-accesses" event definition.
Signed-off-by: Tiberiu Breana <andrei-tiberiu.breana@nxp.com>
Acked-by: Frank Li <Frank.li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This is an almost complete re-write of the previous GPC power gating control
code found in the IMX architecture code. It supports both the old and the new
DT binding, allowing more domains to be added later and generally makes the
driver easier to extend, while keeping compatibility with existing DTBs.
As the result, all functionality regarding the power gating controller
gets removed from the IMX architecture GPC driver. It keeps only the
IRQ controller code in the architecture, as this is closely coupled to
the CPU idle implementation.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Pull ARM updates from Russell King:
- nommu updates from Afzal Mohammed cleaning up the vectors support
- allow DMA memory "mapping" for nommu Benjamin Gaignard
- fixing a correctness issue with R_ARM_PREL31 relocations in the
module linker
- add strlen() prototype for the decompressor
- support for DEBUG_VIRTUAL from Florian Fainelli
- adjusting memory bounds after memory reservations have been
registered
- unipher cache handling updates from Masahiro Yamada
- initrd and Thumb Kconfig cleanups
* 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm: (23 commits)
ARM: mm: round the initrd reservation to page boundaries
ARM: mm: clean up initrd initialisation
ARM: mm: move initrd init code out of arm_memblock_init()
ARM: 8655/1: improve NOMMU definition of pgprot_*()
ARM: 8654/1: decompressor: add strlen prototype
ARM: 8652/1: cache-uniphier: clean up active way setup code
ARM: 8651/1: cache-uniphier: include <linux/errno.h> instead of <linux/types.h>
ARM: 8650/1: module: handle negative R_ARM_PREL31 addends correctly
ARM: 8649/2: nommu: remove Hivecs configuration is asm
ARM: 8648/2: nommu: display vectors base
ARM: 8647/2: nommu: dynamic exception base address setting
ARM: 8646/1: mmu: decouple VECTORS_BASE from Kconfig
ARM: 8644/1: Reduce "CPU: shutdown" message to debug level
ARM: 8641/1: treewide: Replace uses of virt_to_phys with __pa_symbol
ARM: 8640/1: Add support for CONFIG_DEBUG_VIRTUAL
ARM: 8639/1: Define KERNEL_START and KERNEL_END
ARM: 8638/1: mtd: lart: Rename partition defines to be prefixed with PART_
ARM: 8637/1: Adjust memory boundaries after reservations
ARM: 8636/1: Cleanup sanity_check_meminfo
ARM: add CPU_THUMB_CAPABLE to indicate possible Thumb support
...
All low-level PM/SMP code using virt_to_phys() should actually use
__pa_symbol() against kernel symbols. Update code where relevant to move
away from virt_to_phys().
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
In the SoC branch we normally collect classic arch/arm/mach-* contents, i.e.
C code changes for SoC platforms. This release cycle the diffstat is quite
nice, in that we're removing 3x the amount of code that's being added.
The main reason for this is that there's a removal of camera drivers for
Freescale i.MX chips (driver was removed so the device registration isn't
needed any more). There's also removal of display initialization code for OMAP
that is no longer needed.
The rest are mostly minor tweaks and cleanups; constification on Samsung
platforms, cleanup of ux500 platform data, purge of other unused platform
data/device seutp on i.MX and other good stuff.
New SoC support this cycle is for two Allwinner platforms, H2+ and V3s.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Arnd Bergmann:
"In the SoC branch we normally collect classic arch/arm/mach-*
contents, i.e. C code changes for SoC platforms. This release cycle
the diffstat is quite nice, in that we're removing 3x the amount of
code that's being added.
The main reason for this is that there's a removal of camera drivers
for Freescale i.MX chips (driver was removed so the device
registration isn't needed any more). There's also removal of display
initialization code for OMAP that is no longer needed.
The rest are mostly minor tweaks and cleanups; constification on
Samsung platforms, cleanup of ux500 platform data, purge of other
unused platform data/device seutp on i.MX and other good stuff.
New SoC support this cycle is for two Allwinner platforms, H2+ and
V3s"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (55 commits)
ARM: ux500: remove deleted file from Makefile
ARM: ep93xx: Disable TS-72xx watchdog before uncompressing
ARM: ux500: cut some platform data
MAINTAINERS: Update for the current location of the bcm2835 tree.
ARM: davinci: remove BUG_ON() from da850_register_sata()
ARM: davinci: da850: model the SATA refclk
ARM: davinci: da850: add con_id for the SATA clock
ARM: davinci: da8xx-dt: add OF_DEV_AUXDATA entry for SATA
arm: mvebu: support for SMP on 98DX3336 SoC
dt-bindings: video: exynos7-decon: Remove obsolete samsung,power-domain property
soc: dove: constify reset_control_ops structures
ARM: mv78xx0: fix possible PCI buffer overflow
MAINTAINERS: transfer maintainership for the EZX platform
ARM: shmobile: rcar-gen2: Add more register documentation
ARM: tegra: paz00: Fix __initdata placement
ARM: OMAP: clock: Remove unused mpurate cmdline option
ARM: davinci: add skeleton for pdata-quirks
arm: sunxi: add support for V3s SoC
ARM: OMAP2+: omap_hwmod: Add support for earlycon
arm: hisi: drop extern hip01_cpu_die
...
- Remove unused flexcan and esdhc device definitions for i.MX25.
- A series from Fabio to remove camera device initialization code from
i.MX platform support, since the corresponding media driver has been
deprecated and removed from kernel tree.
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Merge tag 'imx-cleanup-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/soc
i.MX cleanup for 4.11:
- Remove unused flexcan and esdhc device definitions for i.MX25.
- A series from Fabio to remove camera device initialization code from
i.MX platform support, since the corresponding media driver has been
deprecated and removed from kernel tree.
* tag 'imx-cleanup-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: mach-mx27_3ds: Remove camera support
ARM: mach-pcm037: Remove camera support
ARM: mach-mx35_3ds: Remove camera support
ARM: mx31moboard-smartbot: Remove camera support
ARM: mx31moboard-marxbot: Remove camera support
ARM: mach-mx31_3ds: Remove camera support
ARM: imx: remove unused device definitions
Signed-off-by: Olof Johansson <olof@lixom.net>
A bugfix added a new local variable that is only used inside of an #ifdef
section, and unused if CONFIG_PERF_EVENTS is disabled:
arch/arm/mach-imx/mmdc.c:63:25: warning: 'cpuhp_mmdc_state' defined but not used [-Wunused-variable]
This moves the variable down inside that same ifdef.
Fixes: a051f220d6 ("ARM/imx/mmcd: Fix broken cpu hotplug handling")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Since commit 6b879edf75 ("[media] staging/media: remove deprecated
mx2 driver") the mx2 camera driver has been removed, so remove the camera
support from the board file as well.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Since commit c93cc61475 ("[media] staging/media: remove deprecated
mx3 driver") the mx3 camera driver has been removed, so remove the camera
support from the board file as well.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Since commit c93cc61475 ("[media] staging/media: remove deprecated
mx3 driver") the mx3 camera driver has been removed, so remove the camera
support from the board file as well.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Since commit c93cc61475 ("[media] staging/media: remove deprecated
mx3 driver") the mx3 camera driver has been removed, so remove the camera
support from the board file as well.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Since commit c93cc61475 ("[media] staging/media: remove deprecated
mx3 driver") the mx3 camera driver has been removed, so remove the camera
support from the board file as well.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Since commit c93cc61475 ("[media] staging/media: remove deprecated
mx3 driver") the mx3 camera driver has been removed, so remove the camera
support from the board file as well.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Tested-by: Magnus Lilja <lilja.magnus@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
I stumbled over these during build testing, they are evidently
not referenced anywhere any more.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Linus Torvalds