scripts/checkkconfigsymbols.py indicates that omap1_defconfig
references the following obsolete Kconfig symbols:
CONFIG_BT_L2CAP
CONFIG_BT_SCO
CONFIG_DEBUG_ERRORS
CONFIG_EXPERIMENTAL
CONFIG_FB_OMAP_BOOTLOADER_INIT
CONFIG_LEDS_CPU
CONFIG_MACH_OMAP_HTCWIZARD
CONFIG_MTD_CHAR
CONFIG_MTD_DEBUG
CONFIG_MTD_DEBUG_VERBOSE
CONFIG_MTD_PARTITIONS
CONFIG_NET_ETHERNET
CONFIG_RCU_CPU_STALL_DETECTOR
CONFIG_SCSI_MULTI_LUN
CONFIG_USB_DEVICE_CLASS
CONFIG_VIDEO_OUTPUT_CONTROL
Drop them from omap1_defconfig.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Paul Bolle <pebolle@tiscali.nl>
Cc: Valentin Rothberg <valentinrothberg@gmail.com>
Cc: Stefan Hengelein <stefan.hengelein@fau.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Tony Lindgren <tony@atomide.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-omap@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
LZMA compression makes about 33% smaller zImage
with just a slight extra decompression time.
Before this patch, zImage built with o2+_dc
is 4.5MiB and after it's about 3.3MiB.
Suggested-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This driver is needed for USB cable type detection on dra7-evm,
dra72-evm and am57xx-beagle-x15.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Both drivers using the system timer are now converted to an MFD. mach/at91_st.h
is now useless.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Import at91rm9200_time.c from mach-at91 as timer-atmel-st.c. Further cleanup is
required to get rid of the mach-at91 headers.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Use clocksource_of_init to initialize the system timer instead of relying on a
custom function.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Now that a proper driver is available, remove at91rm9200_restart.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
The system timer register range is used to handle three different
functionalities: Periodic Interval Timer, Real Time Timer and watchdog. Declare
it as a syscon to be able to get a regmap.
Also declare it as a simple-mfd and its watchdog subnode.
Finally, document the watchdog compatible string.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Make the IOCTL_PRIVCMD_MMAPBATCH_V2 (and older V1 version) map
multiple frames at a time rather than one at a time, despite the pages
being non-consecutive GFNs.
xen_remap_foreign_mfn_array() is added which maps an array of GFNs
(instead of a consecutive range of GFNs).
Since per-frame errors are returned in an array, privcmd must set the
MMAPBATCH_V1 error bits as part of the "report errors" phase, after
all the frames are mapped.
Migrate times are significantly improved (when using a PV toolstack
domain). For example, for an idle 12 GiB PV guest:
Before After
real 0m38.179s 0m26.868s
user 0m15.096s 0m13.652s
sys 0m28.988s 0m18.732s
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Auto-translated physmap guests (arm, arm64 and x86 PVHVM/PVH) map and
unmap foreign GFNs using the same method (updating the physmap).
Unify the two arm and x86 implementations into one commont one.
Note that on arm and arm64, the correct error code will be returned
(instead of always -EFAULT) and map/unmap failure warnings are no
longer printed. These changes are required if the foreign domain is
paging (-ENOENT failures are expected and must be propagated up to the
caller).
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
The r8a7790/lager and r8a7791/koelsch development boards have da9063 and
da9210 regulators. Both regulators have their interrupt request lines
tied to the same interrupt pin (IRQ2) on the SoC.
After cold boot or da9063-induced restart, both the da9063 and da9210
seem to assert their interrupt request lines. Hence as soon as one
driver requests this irq, it gets stuck in an interrupt storm, as it
only manages to deassert its own interrupt request line, and the other
driver hasn't installed an interrupt handler yet.
To handle this, install a quirk that masks the interrupts in both the
da9063 and da9210. This quirk has to run after the i2c master driver
has been initialized, but before the i2c slave drivers are initialized.
As it depends on i2c, select I2C if one of the affected platforms is
enabled in the kernel config.
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Merge tag 'renesas-da9063-da9210-quirk-for-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
Merge "Renesas ARM Based SoC da9063/da9210 Regulator Quirk for v4.1" from Simon Horman:
The r8a7790/lager and r8a7791/koelsch development boards have da9063 and
da9210 regulators. Both regulators have their interrupt request lines
tied to the same interrupt pin (IRQ2) on the SoC.
After cold boot or da9063-induced restart, both the da9063 and da9210
seem to assert their interrupt request lines. Hence as soon as one
driver requests this irq, it gets stuck in an interrupt storm, as it
only manages to deassert its own interrupt request line, and the other
driver hasn't installed an interrupt handler yet.
To handle this, install a quirk that masks the interrupts in both the
da9063 and da9210. This quirk has to run after the i2c master driver
has been initialized, but before the i2c slave drivers are initialized.
As it depends on i2c, select I2C if one of the affected platforms is
enabled in the kernel config.
* tag 'renesas-da9063-da9210-quirk-for-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: lager: Add da9063 PMIC device node for system restart
ARM: shmobile: lager dts: Add da9210 regulator interrupt
ARM: shmobile: koelsch: Add da9063 PMIC device node for system restart
ARM: shmobile: koelsch dts: Add da9210 regulator interrupt
ARM: shmobile: R-Car Gen2: Add da9063/da9210 regulator quirk
Pull "This pull request contains the following changes from Ray for Cygnus SoCs: from Florian Fainelli:
- enable IOMUX, required for pinmux/pinctrl
- enable GPIO, required for the GPIO driver
- enable GPIO hook detection for BCM911360-based phone designs
- enable PCIe controller for the bcm958300k designs
* tag 'arm-soc/for-4.1/devicetree-part-2' of http://github.com/broadcom/stblinux:
ARM: dts: enable PCIe support for Cygnus
ARM: dts: cygnus: enable GPIO based hook detection
ARM: dts: enable GPIO for Broadcom Cygnus
ARM: dts: enable IOMUX for Broadcom Cygnus
This patch introduces devicetree for the Alpine platform, and
for a development board based on the same platform.
Signed-off-by: Barak Wasserstrom <barak@annapurnalabs.com>
Signed-off-by: Tsahee Zidenberg <tsahee@annapurnalabs.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This patch introduces support for waking up secondary CPU cores on
Alpine platform.
Signed-off-by: Barak Wasserstrom <barak@annapurnalabs.com>
Signed-off-by: Tsahee Zidenberg <tsahee@annapurnalabs.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Alpine platform includes UART8250 that can be used for early prints.
Signed-off-by: Saeed Bishara <saeed@annapurnalabs.com>
Signed-off-by: Tsahee Zidenberg <tsahee@annapurnalabs.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
update to the MAINTAINERS entry adding a rockchip regexp entry.
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Merge tag 'v4.0-rockchip-armfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into fixes
Pull "ARM: rockchip: small fixes for 4.0-rc" from Heiko Stuebner:
Adding a default-disabled state to the new gmac node and an
update to the MAINTAINERS entry adding a rockchip regexp entry.
* tag 'v4.0-rockchip-armfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: dts: rockchip: disable gmac by default in rk3288.dtsi
MAINTAINERS: add rockchip regexp to the ARM/Rockchip entry
driver fixes for new regressions since v3.19. Second are fixes to the
common clock divider type caused by recent changes to how we round clock
rates. This affects many clock drivers that use this common code.
Finally there are fixes for drivers that improperly compared struct clk
pointers (drivers must not deref these pointers). While some of these
drivers have done this for a long time, this did not cause a problem
until we started generating unique struct clk pointers for every
consumer. A new function, clk_is_match was introduced to get these
drivers working again and they are fixed up to no longer deref the
pointers themselves.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clock framework fixes from Michael Turquette:
"The clk fixes for 4.0-rc4 comprise three themes.
First are the usual driver fixes for new regressions since v3.19.
Second are fixes to the common clock divider type caused by recent
changes to how we round clock rates. This affects many clock drivers
that use this common code.
Finally there are fixes for drivers that improperly compared struct
clk pointers (drivers must not deref these pointers). While some of
these drivers have done this for a long time, this did not cause a
problem until we started generating unique struct clk pointers for
every consumer. A new function, clk_is_match was introduced to get
these drivers working again and they are fixed up to no longer deref
the pointers themselves"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
ASoC: kirkwood: fix struct clk pointer comparing
ASoC: fsl_spdif: fix struct clk pointer comparing
ARM: imx: fix struct clk pointer comparing
clk: introduce clk_is_match
clk: don't export static symbol
clk: divider: fix calculation of initial best divider when rounding to closest
clk: divider: fix selection of divider when rounding to closest
clk: divider: fix calculation of maximal parent rate for a given divider
clk: divider: return real rate instead of divider value
clk: qcom: fix platform_no_drv_owner.cocci warnings
clk: qcom: fix platform_no_drv_owner.cocci warnings
clk: qcom: Add PLL4 vote clock
clk: qcom: lcc-msm8960: Fix PLL rate detection
clk: qcom: Fix slimbus n and m val offsets
clk: ti: Fix FAPLL parent enable bit handling
This is a rather unpleasantly large set of bug fixes for arm-soc,
Most of them because of cross-tree dependencies for Exynos
where we should have figured out the right path to merge things
before the merge window, and then the maintainer being unable to
sort things out in time during a business trip.
The other changes contained here are the usual collection:
MAINTAINERS file updates
- Gregory Clement is now a co-maintainer for the legacy Marvell EBU
platforms
- A MAINTAINERS entry for the Freescale Vybrid platform that was
added last year
- Matt Porter no longer works as a maintainer on Broadcom SoCs
Build-time issues
- A compile-time error for at91
- Several minor DT fixes on at91, imx, exynos, socfpga, and omap
- The new digicolor platform was not correctly enabled at all
Configuration issues
- Two defconfig fix for regressions using USB on versatile
express and on OMAP3
- Enabling all 8 CPUs on Allwinner/SUNxi
- Enabling the new STiH410 platform to be usable
Bug fixes in platform code
- A missing barrier for socfpga
- Fixing LPDDR1 self-refresh mode on at91
- Fixing RTC interrupt numbers on Exynos3250
- Fixing a cache-coherency issues in CPU power-down
on Exynos5
- Multiple small OMAP power management fixes
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"This is a rather unpleasantly large set of bug fixes for arm-soc, Most
of them because of cross-tree dependencies for Exynos where we should
have figured out the right path to merge things before the merge
window, and then the maintainer being unable to sort things out in
time during a business trip.
The other changes contained here are the usual collection:
MAINTAINERS file updates
- Gregory Clement is now a co-maintainer for the legacy Marvell EBU
platforms
- A MAINTAINERS entry for the Freescale Vybrid platform that was
added last year
- Matt Porter no longer works as a maintainer on Broadcom SoCs
Build-time issues
- A compile-time error for at91
- Several minor DT fixes on at91, imx, exynos, socfpga, and omap
- The new digicolor platform was not correctly enabled at all
Configuration issues
- Two defconfig fix for regressions using USB on versatile express
and on OMAP3
- Enabling all 8 CPUs on Allwinner/SUNxi
- Enabling the new STiH410 platform to be usable
Bug fixes in platform code
- A missing barrier for socfpga
- Fixing LPDDR1 self-refresh mode on at91
- Fixing RTC interrupt numbers on Exynos3250
- Fixing a cache-coherency issues in CPU power-down on Exynos5
- Multiple small OMAP power management fixes"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (69 commits)
MAINTAINERS: Add myself as co-maintainer to the legacy support of the mvebu SoCs
ARM: at91: pm_slowclock: fix the compilation error
ARM: at91/dt: fix USB high-speed clock to select UTMI
ARM: at91/dt: fix at91 udc compatible strings
ARM: at91/dt: declare matrix node as a syscon device
ARM: vexpress: update CONFIG_USB_ISP1760 option
ARM: digicolor: add the machine directory to Makefile
ARM: STi: Add STiH410 SoC support
MAINTAINERS: add Freescale Vybrid SoC
MAINTAINERS: Remove self as ARM mach-bcm co-maintainer
ARM: imx6sl-evk: set swbst_reg as vbus's parent reg
ARM: imx6qdl-sabresd: set swbst_reg as vbus's parent reg
ARM: at91/dt: at91sam9261: fix clocks and clock-names in udc definition
ARM: OMAP2+: Fix wl12xx on dm3730-evm with mainline u-boot
ARM: OMAP: enable TWL4030_USB in omap2plus_defconfig
ARM: dts: dra7x-evm: avoid possible contention while muxing on CAN lines
ARM: dts: dra7x-evm: Don't use dcan1_rx.gpio1_15 in DCAN pinctrl
ARM: dts: am43xx: fix SLEWCTRL_FAST pinctrl binding
ARM: dts: am33xx: fix SLEWCTRL_FAST pinctrl binding
ARM: dts: OMAP5: fix polling intervals for thermal zones
...
Instead of directly touching gic_arch_extn, which is about to
be removed, use gic_set_irqchip_flags instead.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088737-15817-4-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
shmobile only uses gic_arch_extn.irq_set_wake to prevent the GIC
from returning -ENXIO when receiving a wake-up configuration request.
It is a lot simpler to tell the irq layer that we don't need any
configuration by using the IRQCHIP_SKIP_SET_WAKE, thanks to the
new gic_set_irqchip_flags function.
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088737-15817-3-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
OMAP4/5 has been (ab)using the gic_arch_extn to provide
wakeup from suspend, and it makes a lot of sense to convert
this code to use stacked domains instead.
This patch does just this, updating the DT files to actually
reflect what the HW provides.
BIG FAT WARNING: because the DTs were so far lying by not
exposing the WUGEN HW block, kernels with this patch applied
won't have any suspend-resume facility when booted with old DTs,
and old kernels with updated DTs won't even boot.
On a platform with this patch applied, the system looks like
this:
root@bacon-fat:~# cat /proc/interrupts
CPU0 CPU1
16: 0 0 WUGEN 37 gp_timer
19: 233799 155916 GIC 27 arch_timer
23: 0 0 WUGEN 9 l3-dbg-irq
24: 1 0 WUGEN 10 l3-app-irq
27: 282 0 WUGEN 13 omap-dma-engine
44: 0 0 4ae10000.gpio 13 DMA
294: 0 0 WUGEN 20 gpmc
297: 506 0 WUGEN 56 48070000.i2c
298: 0 0 WUGEN 57 48072000.i2c
299: 0 0 WUGEN 61 48060000.i2c
300: 0 0 WUGEN 62 4807a000.i2c
301: 8 0 WUGEN 60 4807c000.i2c
308: 2439 0 WUGEN 74 OMAP UART2
312: 362 0 WUGEN 83 mmc2
313: 502 0 WUGEN 86 mmc0
314: 13 0 WUGEN 94 mmc1
350: 0 0 PRCM pinctrl, pinctrl
406: 35155709 0 GIC 109 ehci_hcd:usb1
407: 0 0 WUGEN 7 palmas
409: 0 0 WUGEN 119 twl6040
410: 0 0 twl6040 5 twl6040_irq_ready
411: 0 0 twl6040 0 twl6040_irq_th
IPI0: 0 1 CPU wakeup interrupts
IPI1: 0 0 Timer broadcast interrupts
IPI2: 95334 902334 Rescheduling interrupts
IPI3: 0 0 Function call interrupts
IPI4: 479 648 Single function call interrupts
IPI5: 0 0 CPU stop interrupts
IPI6: 0 0 IRQ work interrupts
IPI7: 0 0 completion interrupts
Err: 0
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088629-15377-8-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Support for the TI crossbar used on the DRA7 family of chips
is implemented as an ugly hack on the side of the GIC.
Converting it to stacked domains makes it slightly more
palatable, as it results in a cleanup.
Unfortunately, as the DT bindings failed to acknowledge the
fact that this is actually yet another interrupt controller
(the third, actually), we have yet another breakage. Oh well.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088629-15377-3-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Now that all DTs have been updated, entierely drop support for
the non-DT code.
This is likely to break platforms that do not update their DT,
so print a warning at boot time.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088583-15097-7-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
If we detect that our DT has a LIC node, don't setup gic_arch_extn,
and skip tegra_legacy_irq_syscore_init as well.
This is only a temporary measure until that code is removed for good.
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088583-15097-4-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The GIC is now always initialized from DT on tegra, and there is
no point in keeping non-DT init code.
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1426088583-15097-2-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This block should not be enabled by default or else if the kconfig is set,
it will try to load/probe even if there's no phy connected.
Signed-off-by: Alexandru M Stan <amstan@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
When a VCPU is no longer running, we currently check to see if it has a
timer scheduled in the future, and if it does, we schedule a host
hrtimer to notify is in case the timer expires while the VCPU is still
not running. When the hrtimer fires, we mask the guest's timer and
inject the timer IRQ (still relying on the guest unmasking the time when
it receives the IRQ).
This is all good and fine, but when migration a VM (checkpoint/restore)
this introduces a race. It is unlikely, but possible, for the following
sequence of events to happen:
1. Userspace stops the VM
2. Hrtimer for VCPU is scheduled
3. Userspace checkpoints the VGIC state (no pending timer interrupts)
4. The hrtimer fires, schedules work in a workqueue
5. Workqueue function runs, masks the timer and injects timer interrupt
6. Userspace checkpoints the timer state (timer masked)
At restore time, you end up with a masked timer without any timer
interrupts and your guest halts never receiving timer interrupts.
Fix this by only kicking the VCPU in the workqueue function, and sample
the expired state of the timer when entering the guest again and inject
the interrupt and mask the timer only then.
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
To cleanly restore an SMP VM we need to ensure that the current pause
state of each vcpu is correctly recorded. Things could get confused if
the CPU starts running after migration restore completes when it was
paused before it state was captured.
We use the existing KVM_GET/SET_MP_STATE ioctl to do this. The arm/arm64
interface is a lot simpler as the only valid states are
KVM_MP_STATE_RUNNABLE and KVM_MP_STATE_STOPPED.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Use power_supply_put() to decrement the power supply's device reference
counter.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
- remove unused matrix header files
- dbgu + chip identification: new driver for SoC detection
this allow to remove all additional io mapping
- remove old non-standard AT91 setup code
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Merge tag 'at91-cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into next/cleanup
Pull "Second batch of cleanup for 4.1" from Nicolas Ferre:
- remove unused matrix header files
- dbgu + chip identification: new driver for SoC detection
this allow to remove all additional io mapping
- remove old non-standard AT91 setup code
First batch of cleanup for 4.1:
- little phy fixup that is not needed anymore
- hudge cleanup of the PM code:
- removal of "use slow clock" option => always use this for suspend to RAM
- quicker suspend as the asm function is copied only once to SRAM
- use of the same asm function for "standby" and "mem" types of suspend
actions
- adaptation to the ARMv7 processors
* tag 'at91-cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91: (44 commits)
ARM: at91: remove old setup
ARM: at91: sama5d4: remove useless map_io
ARM: at91: sama5 use SoC detection infrastructure
ARM: at91: at91sam9: use SoC detection infrastructure
ARM: at91: at91rm9200 use SoC detection infrastructure
ARM: at91: add soc detection infrastructure
ARM: at91/dt: introduce atmel,<chip>-dbgu
ARM: at91: remove unused _matrix.h headers
ARM: at91: remove unused at91_ioremap_matrix and header
ARM: at91: remove NEED_MACH_IO_H
ARM: at91/pm: flush data cache and clean, invalidate and disable the L2 cache
ARM: at91/pm_suspend: add the WFI instruction support for ARMv7
ARM: at91/pm: remove unused void (*at91_pm_standby)(void)
ARM: at91/pm: rename function name: at91_slow_clock() --> at91_pm_suspend_sram_fn()
ARM: at91/pm: rename file name: pm_slowclock.S --> pm_suspend.S
ARM: at91/pm: standby mode uses same sram function as suspend to memory mode
ARM: at91/pm: move the copying the sram function to the sram initialization phase
ARM: at91/pm_slowclock: create the procedure to handle the sdram self-refresh
ARM: at91/pm_slowclock: remove clocks which are already stopped when entering slow clock mode
ARM: at91/pm: remove CONFIG_AT91_SLOW_CLOCK config option
...
The old setup is not used anymore, remove it
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
All the peripheral remapped at io_map are taken care of by their respective
drivers.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Add PCIe device nodes in bcm-cygnus.dtsi but keep them disabled there.
Only enable them for bcm958300k where PCIe interfaces are populated
Signed-off-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Use the soc detection infrastructure for sama5 initialization.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
We do not have CONFIG_MACH_MX25_3DS platform anymore, so update the defconfig.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
platform-imxdi_rtc.c is only used by mx25, so it can safely go away now that
mx25 has been converted to dt.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
As mx25 has been converted to a dt-only platform, we do not need the "mx25.h"
header file anymore.
Remove it and also clean up all the mx25 occurences from the platform helper
code.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
We use dynamic memory mapping when using dt, so remove all the static mappings.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Use the soc detection infrastructure for at91sam9 initialization.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Use the soc detection infrastructure for at91rm9200 initialization.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
The DBGU is not a simple UART and we need to be able to distinguish it from the
other UARTs, in particular to get its address and check the chip id.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
The matrix headers are not used anymore, remove them.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
