i.MX6QP added new register bit PROFILE_SEL in MADPCR0.
need set it at perf start.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
MMDC is a multi-mode DDR controller that supports DDR3/DDR3L x16/x32/x64
and LPDDR2 two channel x16/x32 memory types. MMDC is configurable, high
performance, and optimized. MMDC is present on i.MX6 Quad and i.MX6
QuadPlus devices, but this driver only supports i.MX6 Quad at the moment.
MMDC provides registers for performance counters which read via this
driver to help debug memory throughput and similar issues.
$ perf stat -a -e mmdc/busy-cycles/,mmdc/read-accesses/,mmdc/read-bytes/,mmdc/total-cycles/,mmdc/write-accesses/,mmdc/write-bytes/ dd if=/dev/zero of=/dev/null bs=1M count=5000
Performance counter stats for 'dd if=/dev/zero of=/dev/null bs=1M count=5000':
898021787 mmdc/busy-cycles/
14819600 mmdc/read-accesses/
471.30 MB mmdc/read-bytes/
2815419216 mmdc/total-cycles/
13367354 mmdc/write-accesses/
427.76 MB mmdc/write-bytes/
5.334757334 seconds time elapsed
Signed-off-by: Zhengyu Shen <zhengyu.shen@nxp.com>
Signed-off-by: Frank Li <frank.li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Pull kbuild updates from Michal Marek:
- EXPORT_SYMBOL for asm source by Al Viro.
This does bring a regression, because genksyms no longer generates
checksums for these symbols (CONFIG_MODVERSIONS). Nick Piggin is
working on a patch to fix this.
Plus, we are talking about functions like strcpy(), which rarely
change prototypes.
- Fixes for PPC fallout of the above by Stephen Rothwell and Nick
Piggin
- fixdep speedup by Alexey Dobriyan.
- preparatory work by Nick Piggin to allow architectures to build with
-ffunction-sections, -fdata-sections and --gc-sections
- CONFIG_THIN_ARCHIVES support by Stephen Rothwell
- fix for filenames with colons in the initramfs source by me.
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: (22 commits)
initramfs: Escape colons in depfile
ppc: there is no clear_pages to export
powerpc/64: whitelist unresolved modversions CRCs
kbuild: -ffunction-sections fix for archs with conflicting sections
kbuild: add arch specific post-link Makefile
kbuild: allow archs to select link dead code/data elimination
kbuild: allow architectures to use thin archives instead of ld -r
kbuild: Regenerate genksyms lexer
kbuild: genksyms fix for typeof handling
fixdep: faster CONFIG_ search
ia64: move exports to definitions
sparc32: debride memcpy.S a bit
[sparc] unify 32bit and 64bit string.h
sparc: move exports to definitions
ppc: move exports to definitions
arm: move exports to definitions
s390: move exports to definitions
m68k: move exports to definitions
alpha: move exports to actual definitions
x86: move exports to actual definitions
...
These are updates for platform specific code on 32-bit ARM machines,
essentially anything that can not (yet) be expressed using DT files.
Noteworthy changes include:
- We get support for running in big-endian mode on two platforms:
sunxi (Allwinner) and s3c24xx (old Samsung).
- The recently added Uniphier platform now uses standard PSCI
methods for SMP booting and we remove support for old bootloader
versions that did not support it yet.
- In sunxi, we gain support for the "Nextthing GR8" SoC, which
is a close relative of the Allwinner A13 and R8 chips.
- PXA completes its move over to the generic dmaengine framework
and removes its old private API
- mach-bcm gains support for BCM47189/BCM53573, their first ARM
SoC with integrated 802.11ac wireless networking.
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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:
"These are updates for platform specific code on 32-bit ARM machines,
essentially anything that can not (yet) be expressed using DT files.
Noteworthy changes include:
- We get support for running in big-endian mode on two platforms:
sunxi (Allwinner) and s3c24xx (old Samsung).
- The recently added Uniphier platform now uses standard PSCI methods
for SMP booting and we remove support for old bootloader versions
that did not support it yet.
- In sunxi, we gain support for the "Nextthing GR8" SoC, which is a
close relative of the Allwinner A13 and R8 chips.
- PXA completes its move over to the generic dmaengine framework and
removes its old private API
- mach-bcm gains support for BCM47189/BCM53573, their first ARM SoC
with integrated 802.11ac wireless networking"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
ARM: imx legacy: pca100: move peripheral initialization to .init_late
ARM: imx legacy: mx27ads: move peripheral initialization to .init_late
ARM: imx legacy: mx21ads: move peripheral initialization to .init_late
ARM: imx legacy: pcm043: move peripheral initialization to .init_late
ARM: imx legacy: mx35-3ds: move peripheral initialization to .init_late
ARM: imx legacy: mx27-3ds: move peripheral initialization to .init_late
ARM: imx legacy: imx27-visstrim-m10: move peripheral initialization to .init_late
ARM: imx legacy: vpr200: move peripheral initialization to .init_late
ARM: imx legacy: mx31moboard: move peripheral initialization to .init_late
ARM: imx legacy: armadillo5x0: move peripheral initialization to .init_late
ARM: imx legacy: qong: move peripheral initialization to .init_late
ARM: imx legacy: mx31-3ds: move peripheral initialization to .init_late
ARM: imx legacy: pcm037: move peripheral initialization to .init_late
ARM: imx legacy: mx31lilly: move peripheral initialization to .init_late
ARM: imx legacy: mx31ads: move peripheral initialization to .init_late
ARM: imx legacy: mx31lite: move peripheral initialization to .init_late
ARM: imx legacy: kzm: move peripheral initialization to .init_late
MAINTAINERS: update list of Oxnas maintainers
ARM: orion5x: remove extraneous NO_IRQ
ARM: orion: simplify orion_ge00_switch_init
...
The cleanups for v4.9 are a little larger that usual, but thankfully
that is almost exclusively due to removing a significant number of
files that have become obsolete after the still ongoing conversion
of old board files to devicetree.
- for mach-omap2, which is still the largest platform in arch/arm/,
the conversion to DT is finally complete after the Nokia N900 is
now fully supported there, along with the omap3 LDP, and we can
remove those two board files.
If no regressions are found, another large cleanup for the platform
will happen as a follow-up, removing dead code and restructuring
the platform based on being DT-only.
- In mach-imx, similar work is ongoing, but has not come that far.
This time, we remove the obsolete board file for the i.MX1
generation, which like i.MX25, i.MX5, i.MX6, and i.MX7 is now DT-only.
The remaining board files are for i.MX2 and i.MX3 machines
based on old ARM926 or ARM1136 cores that should work with DT
in principle.
- realview has just been converted from board files to DT, and a lot
of code gets removed in the process. This is the last
ARM/Keil/Versatile derived platform that was still using board
files, the other ones being integrator, versatile and vexpress.
We can probably merge the remaining code into a single directory
in the near future.
- clps711x had completed the conversion in v4.8, but we accidentally
left the files in place that should have been deleted then.
Conflicts: two files deleted here have been modified upstream,
the changes can be discarded.
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Arnd Bergmann:
"The cleanups for v4.9 are a little larger that usual, but thankfully
that is almost exclusively due to removing a significant number of
files that have become obsolete after the still ongoing conversion of
old board files to devicetree.
- for mach-omap2, which is still the largest platform in arch/arm/,
the conversion to DT is finally complete after the Nokia N900 is
now fully supported there, along with the omap3 LDP, and we can
remove those two board files. If no regressions are found, another
large cleanup for the platform will happen as a follow-up, removing
dead code and restructuring the platform based on being DT-only.
- In mach-imx, similar work is ongoing, but has not come that far.
This time, we remove the obsolete board file for the i.MX1
generation, which like i.MX25, i.MX5, i.MX6, and i.MX7 is now
DT-only. The remaining board files are for i.MX2 and i.MX3 machines
based on old ARM926 or ARM1136 cores that should work with DT in
principle.
- realview has just been converted from board files to DT, and a lot
of code gets removed in the process. This is the last
ARM/Keil/Versatile derived platform that was still using board
files, the other ones being integrator, versatile and vexpress. We
can probably merge the remaining code into a single directory in
the near future.
- clps711x had completed the conversion in v4.8, but we accidentally
left the files in place that should have been deleted then"
* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (21 commits)
ARM: select PCI_DOMAINS config from ARCH_MULTIPLATFORM
ARM: stop *MIGHT_HAVE_PCI* config from being selected redundantly
ARM: imx: (trivial) fix typo and grammar
ARM: clps711x: remove extraneous files
ARM: imx: use IS_ENABLED() instead of checking for built-in or module
ARM: OMAP2+: use IS_ENABLED() instead of checking for built-in or module
ARM: OMAP1: use IS_ENABLED() instead of checking for built-in or module
ARM: imx: remove platform-mxc_rnga
ARM: realview: imply device tree boot
ARM: realview: no need to select SMP_ON_UP explicitly
ARM: realview: delete the RealView board files
ARM: imx: no need to select SMP_ON_UP explicitly
ARM: i.MX: Move SOC_IMX1 into 'Device tree only'
ARM: i.MX: Remove i.MX1 non-DT support
ARM: i.MX: Remove i.MX1 Synertronixx SCB9328 board support
ARM: i.MX: Remove i.MX1 Armadeus APF9328 board support
ARM: mxs: remove obsolete startup code for TX28
ARM: i.MX31 iomux: remove duplicates with alternate name
ARM: i.MX31 iomux: remove plain duplicates
ARM: OMAP2+: Drop legacy board file for LDP
...
PCI_DOMAINS config should be selected for any SoCs
having more than a single PCIe controller. Without PCI_DOMAINS
config, only one PCIe controller gets registered.
Select PCI_DOMAINS in ARCH_MULTIPLATFORM if PCI is selected, since
it doesn't harm even if a platform has a single PCIe port.
Also remove PCI_DOMAINS being selected from other platform
specific configs.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
It includes a patch series that moves registrations and initializations
of all peripherals which are GPIO line consumers for all legacy boards
from .init_machine to .init_late init level. This is needed to
proactively prevent boot time issues on the legacy boards due to the
deprioritized init level of the GPIO controller driver (set lower than
IOMUX controller driver init level), which is shared among all i.MX
SoCs.
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Merge tag 'imx-legacy-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/soc
Pull "i.MX legacy board file changes for 4.9" from Shawn Guo:
It includes a patch series that moves registrations and initializations
of all peripherals which are GPIO line consumers for all legacy boards
from .init_machine to .init_late init level. This is needed to
proactively prevent boot time issues on the legacy boards due to the
deprioritized init level of the GPIO controller driver (set lower than
IOMUX controller driver init level), which is shared among all i.MX
SoCs.
* tag 'imx-legacy-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: imx legacy: pca100: move peripheral initialization to .init_late
ARM: imx legacy: mx27ads: move peripheral initialization to .init_late
ARM: imx legacy: mx21ads: move peripheral initialization to .init_late
ARM: imx legacy: pcm043: move peripheral initialization to .init_late
ARM: imx legacy: mx35-3ds: move peripheral initialization to .init_late
ARM: imx legacy: mx27-3ds: move peripheral initialization to .init_late
ARM: imx legacy: imx27-visstrim-m10: move peripheral initialization to .init_late
ARM: imx legacy: vpr200: move peripheral initialization to .init_late
ARM: imx legacy: mx31moboard: move peripheral initialization to .init_late
ARM: imx legacy: armadillo5x0: move peripheral initialization to .init_late
ARM: imx legacy: qong: move peripheral initialization to .init_late
ARM: imx legacy: mx31-3ds: move peripheral initialization to .init_late
ARM: imx legacy: pcm037: move peripheral initialization to .init_late
ARM: imx legacy: mx31lilly: move peripheral initialization to .init_late
ARM: imx legacy: mx31ads: move peripheral initialization to .init_late
ARM: imx legacy: mx31lite: move peripheral initialization to .init_late
ARM: imx legacy: kzm: move peripheral initialization to .init_late
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The change moves some of peripheral registrations and initializations
(all peripherals dependent on GPIOs) from .init_machine to .init_late
level, this allows to safely shift the shared GPIO controller driver
initialization level after init level of i.MX IOMUXC driver.
The change is tested on qemu kzm target.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
- Set INT_MEM_CLK_LPM bit to get proper WAIT mode support on i.MX6SX.
This is a workaround for i.MX6SX WAIT mode hardware issue.
- Enable cpuidle support with 3 low-power states (WFI, WAIT, POWER-OFF)
for i.MX6UL.
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Merge tag 'imx-soc-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/soc
Pull "i.MX SoC updates for 4.9" from Shawn Guo:
- Set INT_MEM_CLK_LPM bit to get proper WAIT mode support on i.MX6SX.
This is a workaround for i.MX6SX WAIT mode hardware issue.
- Enable cpuidle support with 3 low-power states (WFI, WAIT, POWER-OFF)
for i.MX6UL.
* tag 'imx-soc-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: imx: build cpuidle-imx6sx.o for imx6ul
ARM: imx: add cpuidle support for i.mx6ul
ARM: imx: enable WAIT mode hardware workaround for imx6sx
ARM: imx: rename imx6q_set_int_mem_clk_lpm() function
- Drop i.MX1 board files and make i.MX1 a DT only platform.
- Remove obsolete ENET initialization code for TX28 board, since FEC
driver handles those setup well now.
- A couple of cleanups on i.MX31 IOMUX headers to drop duplications
- A few other random and trivial cleanups
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Merge tag 'imx-cleanup-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/cleanup
Pull "i.MX cleanup for 4.9" from Shawn Guo:
- Drop i.MX1 board files and make i.MX1 a DT only platform.
- Remove obsolete ENET initialization code for TX28 board, since FEC
driver handles those setup well now.
- A couple of cleanups on i.MX31 IOMUX headers to drop duplications
- A few other random and trivial cleanups
* tag 'imx-cleanup-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: imx: (trivial) fix typo and grammar
ARM: imx: use IS_ENABLED() instead of checking for built-in or module
ARM: imx: remove platform-mxc_rnga
ARM: imx: no need to select SMP_ON_UP explicitly
ARM: i.MX: Move SOC_IMX1 into 'Device tree only'
ARM: i.MX: Remove i.MX1 non-DT support
ARM: i.MX: Remove i.MX1 Synertronixx SCB9328 board support
ARM: i.MX: Remove i.MX1 Armadeus APF9328 board support
ARM: mxs: remove obsolete startup code for TX28
ARM: i.MX31 iomux: remove duplicates with alternate name
ARM: i.MX31 iomux: remove plain duplicates
The imx6ul soc code gained support for cpuidle, but that causes
a link failure if CONFIG_SOC_IMX6SX is disabled:
arch/arm/mach-imx/mach-imx6ul.o: In function `imx6ul_init_late':
mach-imx6ul.c:(.init.text+0xc): undefined reference to `imx6sx_cpuidle_init'
This adds the file containing the imx6sx_cpuidle_init function
to the kernel for 6ul-only configurations.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 547e8f5269 ("ARM: imx: add cpuidle support for i.mx6ul")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
- Fix misspelled "ti,x-plate-ohms" property name of touchscreen
controller for imx7d-sdb DTS.
- Add missing BM_CLPCR_BYPASS_PMIC_READY setting for i.MX6SX to get
suspend/resume work properly.
- Fix SPDIF regression on imx6qdl which caused by a clock update on
spdif device node.
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Merge tag 'imx-fixes-4.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
i.MX fixes for 4.8, 2nd round:
- Fix misspelled "ti,x-plate-ohms" property name of touchscreen
controller for imx7d-sdb DTS.
- Add missing BM_CLPCR_BYPASS_PMIC_READY setting for i.MX6SX to get
suspend/resume work properly.
- Fix SPDIF regression on imx6qdl which caused by a clock update on
spdif device node.
* tag 'imx-fixes-4.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: imx6qdl: Fix SPDIF regression
ARM: imx6: add missing BM_CLPCR_BYPASS_PMIC_READY setting for imx6sx
ARM: dts: imx7d-sdb: fix ti,x-plate-ohms property name
Signed-off-by: Olof Johansson <olof@lixom.net>
i.MX6SX has bypass PMIC ready function, as this function
is normally NOT enabled on the board design, so we need
to bypass the PMIC ready pin check during DSM mode resume
flow, otherwise, the internal DSM resume logic will be
waiting for this signal to be ready forever and cause
resume fail.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Fixes: ff843d621b ("ARM: imx: add suspend support for i.mx6sx")
Cc: <stable@vger.kernel.org>
Tested-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This patch enables cpuidle driver for i.MX6UL, it
reuses i.MX6SX's cpuidle driver, 3 levels of cpuidle
supported:
1. ARM WFI;
2. SOC in WAIT mode;
3. SOC in WAIT mode + ARM power off.
As i.MX6UL has cortex-A7 CORE with an internal L2
cache, so flushing it before powering down ARM platform
is necessary, flush_cache_all() in last step of cpu_suspend
has very small overhead, just call it to avoid cache
type check for different platforms.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Need to enable INT_MEM_CLK_LPM bit in CCM_CGPR for WAIT mode,
without this bit set, if there is pending interrupt during
ARM platform entering WAIT mode without power gating, cache
data will be corrupted, this is a hardware workaround for WAIT
mode and must be enabled.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Let's rename the function imx6q_set_int_mem_clk_lpm()
to imx6_set_int_mem_clk_lpm() since it's actually
common for all i.MX6 SoCs.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The IS_ENABLED() macro checks if a Kconfig symbol has been enabled either
built-in or as a module, use that macro instead of open coding the same.
Using the macro makes the code more readable by helping abstract away some
of the Kconfig built-in and module enable details.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
- Fix typo in imx6sx-sabreauto board wakeup property
- Fix i.MX6UL suspend-to-standby support by adding the
BM_CLPCR_BYP_MMDC_CH0_LPM_HS handling
- Fix a i.MX6UL regression on suspend support, which is caused by
commit 850bea2335 ("arm: Remove unnecessary of_platform_populate
with default match table")
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Merge tag 'imx-fixes-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
The i.MX fixes for 4.8:
- Fix typo in imx6sx-sabreauto board wakeup property
- Fix i.MX6UL suspend-to-standby support by adding the
BM_CLPCR_BYP_MMDC_CH0_LPM_HS handling
- Fix a i.MX6UL regression on suspend support, which is caused by
commit 850bea2335 ("arm: Remove unnecessary of_platform_populate
with default match table")
* tag 'imx-fixes-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: imx6ul: populates platform device at .init_machine
ARM: imx6: add missing BM_CLPCR_BYP_MMDC_CH0_LPM_HS setting for imx6ul
ARM: dts: imx6sx-sabreauto: Fix misspelled property
Signed-off-by: Olof Johansson <olof@lixom.net>
At imx6ul_init_machine, it calls imx6ul_pm_init which needs to find
platform device for ocram, but the default populate platform device is at
of_platform_default_populate_init, which is located at arch_initcall_sync,
and called later than arch_initcall (.init_machine is located at that).
So below warning message will be showed during boots up:
imx6q_suspend_init: failed to find ocram device!
imx6_pm_common_init: No DDR LPM support with suspend -19!
Due to lack of ocram device, the suspend mode "mem" which needs ocram to
store suspend routine code is invalid.
This commit populates platform device before imx6ul_pm_init like other
imx6 platforms do, and the suspend mode "mem" can work successfully.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Fixes: 850bea2335 ("arm: Remove unnecessary of_platform_populate with default match table")
Cc: Anson Huang <anson.huang@nxp.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Rob Herring <robh@kernel.org>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
There is a missing BM_CLPCR_BYP_MMDC_CH0_LPM_HS setting for imx6ul,
without it, the "standby" mode can't work well, the system can't be
resumed.
With this commit, the "standby" mode works well.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Cc: Anson Huang <anson.huang@nxp.com>
Cc: <stable@vger.kernel.org>
Fixes: ee4a5f838c ("ARM: imx: add suspend/resume support for i.mx6ul")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
SMP_ON_UP is already defaulted to "y" and has all dependencies expressed
- no need to select it per platform level
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Since IRQCHIP_DECLARE now flags the GPC node as already populated, the
GPC power domain driver is never probed unless we clear the flag again.
Fixes: 15cc2ed6dc ("of/irq: Mark initialised interrupt controllers as populated")
Suggested-by: Rob Herring <robh@kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This patch moves SOC_IMX1 into 'Device tree only' category and renames
imx1-dt.c to mach-imx1.c to align with the name schema of other
i.MX DT only platforms.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This patch removes registration helpers and support files,
used for non-DT i.MX1 targets.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Synertronixx SCB9328 board is very similar to Armadeus APF9328,
so it can be easily reimplemented in DT way.
This patch removes support for non-DT support for this board.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
mach-apf9328.c can be replaced with devicetree equivalent: imx1-apf9328.dts,
so remove the board file.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Three iomux were accessinble with two distinct names, typo?
Remove the unused duplicates and fix the typo.
Signed-off-by: Alexander Kurz <akurz@blala.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
No need to define some of the iomux twice, remove the duplicates.
Signed-off-by: Alexander Kurz <akurz@blala.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
The cleanup branch keeps going down in size as we've completed a lot of
the major legacy platform removals and conversions.
A handful of changes this time around, some of the themes or larger sets are:
- A bunch of i.MX cleanups around platform detection, init call cleanups
- Misc fixes of missing/implicit includes
- Removal of ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
"The cleanup branch keeps going down in size as we've completed a lot
of the major legacy platform removals and conversions.
A handful of changes this time around, some of the themes or larger
sets are:
- A bunch of i.MX cleanups around platform detection, init call cleanups
- Misc fixes of missing/implicit includes
- Removal of ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB"
* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (40 commits)
ARM: mps2: fix typo
ARM: s3c64xx: avoid warning about 'struct device_node'
bus: mvebu-mbus: make mvebu_mbus_syscore_ops static
bus: mvebu-mbus: fix __iomem on register pointers
ARM: tegra: Remove board_init_funcs array
ARM: iop: Fix indentation
ARM: imx: remove cpu_is_mx*()
ARM: imx: remove last call to cpu_is_mx5*
ARM: imx: rework mx27_pm_init() call
ARM: imx: deconstruct mx3_idle
ARM: imx: deconstruct mxc_rnga initialization
ARM: imx: remove cpu_is_mx1 check
ARM: i.MX: Do not explicitly call l2x0_of_init()
ARM: i.MX: system.c: Tweak prefetch settings for performance
ARM: i.MX: system.c: Replace magic numbers
ARM: i.MX: system.c: Remove redundant errata 752271 code
ARM: i.MX: system.c: Convert goto to if statement
ARM: Kirkwood: fix kirkwood_pm_init() declaration/type
ARM: Kirkwood: make kirkwood_disable_mbus_error_propagation() static
ARM: orion5x: make orion5x_legacy_handle_irq static
...
- Removal of most of_platform_populate() calls in arch code. Now the DT
core code calls it in the default case and platforms only need to call
it if they have special needs.
- Use pr_fmt on all the DT core print statements.
- CoreSight binding doc improvements to block name descriptions.
- Add dt_to_config script which can parse dts files and list
corresponding kernel config options.
- Fix memory leak hit with a PowerMac DT.
- Correct a bunch of STMicro compatible strings to use the correct
vendor prefix.
- Fix DA9052 PMIC binding doc to match what is actually used in dts
files.
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Merge tag 'devicetree-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree updates from Rob Herring:
- remove most of_platform_populate() calls in arch code. Now the DT
core code calls it in the default case and platforms only need to
call it if they have special needs
- use pr_fmt on all the DT core print statements
- CoreSight binding doc improvements to block name descriptions
- add dt_to_config script which can parse dts files and list
corresponding kernel config options
- fix memory leak hit with a PowerMac DT
- correct a bunch of STMicro compatible strings to use the correct
vendor prefix
- fix DA9052 PMIC binding doc to match what is actually used in dts
files
* tag 'devicetree-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (35 commits)
documentation: da9052: Update regulator bindings names to match DA9052/53 DTS expectations
xtensa: Partially Revert "xtensa: Remove unnecessary of_platform_populate with default match table"
xtensa: Fix build error due to missing include file
MIPS: ath79: Add missing include file
Fix spelling errors in Documentation/devicetree
ARM: dts: fix STMicroelectronics compatible strings
powerpc/dts: fix STMicroelectronics compatible strings
Documentation: dt: i2c: use correct STMicroelectronics vendor prefix
scripts/dtc: dt_to_config - kernel config options for a devicetree
of: fdt: mark unflattened tree as detached
of: overlay: add resolver error prints
coresight: document binding acronyms
Documentation/devicetree: document cavium-pip rx-delay/tx-delay properties
of: use pr_fmt prefix for all console printing
of/irq: Mark initialised interrupt controllers as populated
of: fix memory leak related to safe_name()
Revert "of/platform: export of_default_bus_match_table"
of: unittest: use of_platform_default_populate() to populate default bus
memory: omap-gpmc: use of_platform_default_populate() to populate default bus
bus: uniphier-system-bus: use of_platform_default_populate() to populate default bus
...
