This is based on tags/exynos-power because this DT changes
are depending PMU cleanup.
Fixes boot for exynos5260 and exynos5410,
- Since exynos cannot boot without obtaining PMU address via
DT from now on, add PMU node for exynos5260 and exynos5410
For preparing exynos5250-spring,
- move max77686 and cypress,cyapa trackpad from exynos5250-
cros-common to exynos5250-snow DT file
(Note exynos5250-spring is not included in this branch yet)
For exynos3250,
- add TMU node and remove duplicated interrupt-parent
- add missing pinctrl property for uart0 and uart1
For exynos5250-smdk5250 board
- add max77686 pmic interrupt property which is connected to
gpx3
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Merge tag 'samsung-dt-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt
Merge "Samsung DT 2nd updates for v3.17" from Kukjin Kim:
This is based on tags/exynos-power because this DT changes
are depending PMU cleanup.
Fixes boot for exynos5260 and exynos5410,
- Since exynos cannot boot without obtaining PMU address via
DT from now on, add PMU node for exynos5260 and exynos5410
For preparing exynos5250-spring,
- move max77686 and cypress,cyapa trackpad from exynos5250-
cros-common to exynos5250-snow DT file
(Note exynos5250-spring is not included in this branch yet)
For exynos3250,
- add TMU node and remove duplicated interrupt-parent
- add missing pinctrl property for uart0 and uart1
For exynos5250-smdk5250 board
- add max77686 pmic interrupt property which is connected to
gpx3
* tag 'samsung-dt-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (28 commits)
ARM: dts: Add missing pinctrl for uart0/1 for exynos3250
ARM: dts: Remove duplicate 'interrput-parent' property for exynos3250
ARM: dts: Add TMU dt node to monitor the temperature for exynos3250
ARM: dts: Specify MAX77686 pmic interrupt for exynos5250-smdk5250
ARM: dts: cypress,cyapa trackpad is exynos5250-Snow only
ARM: dts: max77686 is exynos5250-snow only
ARM: EXYNOS: Add exynos5260 PMU compatible string to DT match table
ARM: dts: Add PMU DT node for exynos5260 SoC
ARM: EXYNOS: Add support for Exynos5410 PMU
ARM: dts: Add PMU to exynos5410
ARM: dts: Document exynos5410 PMU
ARM: EXYNOS: Move cpufreq and cpuidle device registration to init_machine
ARM: EXYNOS: Refactored code for using PMU address via DT
ARM: EXYNOS: Support cluster power off on exynos5420/5800
ARM: EXYNOS: populate suspend and powered_up callbacks for mcpm
ARM: EXYNOS: do not allow cpuidle registration for exynos5420
cpuidle: big.LITTLE: init driver for exynos5420
cpuidle: big.LITTLE: Add ARCH_EXYNOS entry in config
ARM: EXYNOS: add generic function to calculate cpu number
cpuidle: big.LITTLE: add of_device_id structure
...
Signed-off-by: Olof Johansson <olof@lixom.net>
Rename Hisilicon HI3716 to HIX5HD2 and add dependency on ARCH_HIX5HD2.
HiX5HD2 is a SoC with dual Cortex A9 cores for STB market, and original
Hi3xxx SoC is for mobile market.
To avoid confusing the two types of SoCs and also because of different
implementation (SMP, IPs integrated and earlycon config), rename Hi3716
to HIX5HD2 and add ARCH_HIX5HD2.
Signed-off-by: Haifeng Yan <yanhaifeng@gmail.com>
Signed-off-by: Jiancheng Xue <jchxue@gmail.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Acked-by: Wei Xu <xuwei5@hisilicon.com>
[olof: fixed description typos]
Signed-off-by: Olof Johansson <olof@lixom.net>
The uarts on rk3288 are still compatible with the dw_8250, but located
at a different position and need DEBUG_UART_8250_WORD enabled.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Tested-by: Doug Anderson <dianders@chromium.org>
Tested-by: Will Deacon <will.deacon@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
The debug uart settings from the DEBUG_RK3X_UART options are usable on
all Rockchip SoCs from the rk30xx and rk31xx series but not on the
new rk3288 SoCs. Thus clarify their use to prevent confusion.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
- support common clock framework for s5pv210 clock
- add generic PHY driver on s5pv210 to support it via DT
- add dt support for s5pv210-goni, smdkc110, smdkv210 and torbreck boards
- remove board files from mach-s5pv210 and unused codes
- enable multiplatform for s5pv210
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Merge tag 's5pv210-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc
Merge "Samsung S5PV210 DT support for v3.17" from Kukjin Kim:
- support common clock framework for s5pv210 clock
- add generic PHY driver on s5pv210 to support it via DT
- add dt support for s5pv210-goni, smdkc110, smdkv210 and torbreck boards
- remove board files from mach-s5pv210 and unused codes
- enable multiplatform for s5pv210
* tag 's5pv210-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
clk: samsung: s5pv210: Remove legacy board support
ARM: SAMSUNG: Remove remaining legacy code
gpio: samsung: Remove legacy support of S5PV210
ARM: S5PV210: Enable multi-platform build support
cpufreq: s5pv210: Make the driver multiplatform aware
ARM: S5PV210: Register cpufreq platform device
ARM: S5PV210: move debug-macro.S into the common space
ARM: S5PV210: Untie PM support from legacy code
ARM: S5PV210: Remove support for board files
ARM: dts: Add Device tree for s5pc110/s5pv210 boards
ARM: dts: Add Device tree for s5pv210 SoC
ARM: S5PV210: Add board file for boot using Device Tree
phy: Add support for S5PV210 to the Exynos USB 2.0 PHY driver
clk: samsung: Add S5PV210 Audio Subsystem clock driver
ARM: SAMSUNG: Remove legacy clock code
serial: samsung: Remove support for legacy clock code
cpufreq: s3c24xx: Remove some dead code
ARM: S5PV210: Migrate clock handling to Common Clock Framework
clk: samsung: Add clock driver for S5PV210 and compatible SoCs
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge branches 'samsung/cleanup' and 'samsung/s5p-cleanup-v2', tag 'v3.16-rc6' into next/soc
The following samsung branches are based on these cleanups,
which are already in mainline before this branch gets pulled.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
: Most of them are for exynos SoCs, remove useless
codes and update for PMU consolidation.
- remove unnecessary header file in mach-exynos/pmu.c
- remove unused code in mach-exynos/common.h
- remove mach-exynos/regs-pmu.h dependency from PD
- remove file path from comment section in mach-exynos
- move SYSREG definitions into mach-exynos/regs-sys.h
- add mapping PMU base address via DT for PMU cleanup
- use staic in mach-exynos/common.h
- update Samsung UART config options for low-level debug
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Merge tag 'samsung-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup
Merge "Samsung cleanup for v3.17" from Kukjin Kim:
Most of them are for exynos SoCs, remove useless codes and update for
PMU consolidation.
- remove unnecessary header file in mach-exynos/pmu.c
- remove unused code in mach-exynos/common.h
- remove mach-exynos/regs-pmu.h dependency from PD
- remove file path from comment section in mach-exynos
- move SYSREG definitions into mach-exynos/regs-sys.h
- add mapping PMU base address via DT for PMU cleanup
- use staic in mach-exynos/common.h
- update Samsung UART config options for low-level debug
* tag 'samsung-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: Add support for mapping PMU base address via DT
ARM: EXYNOS: Remove "linux/bug.h" from pmu.c
ARM: EXYNOS: Remove regs-pmu.h header dependency from pm_domain
ARM: EXYNOS: Remove file path from comment section
ARM: EXYNOS: Move SYSREG definition into sys-reg specific file
ARM: EXYNOS: Make exynos machine_ops as static
ARM: EXYNOS: Remove unused code in common.h
ARM: debug: Update Samsung UART config options
+ Linux 3.16-rc5
Signed-off-by: Olof Johansson <olof@lixom.net>
- kirkwood
- Remove mach-kirkwood/, It's fully supported in mach-mvebu/
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Merge tag 'mvebu-soc-3.17-2' of git://git.infradead.org/linux-mvebu into next/soc
Merge "ARM: mvebu SoC changes for v3.17 (round 2)" from Jason Cooper:
"Yeah, it's just one patch, but it's a beautiful one! Thanks to the
efforts of many people over the last couple years, and in particular,
Andrew Lunn, Kirkwood has been completely converted to DT."
- kirkwood
* Remove mach-kirkwood/, It's fully supported in mach-mvebu/
* tag 'mvebu-soc-3.17-2' of git://git.infradead.org/linux-mvebu:
ARM: Kirkwood: Remove mach-kirkwood
Signed-off-by: Olof Johansson <olof@lixom.net>
Move debug-macro.S from mach/include to include/debug where
all other common debug macros are.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
In a multiplatform config, the low level debug option shows several
UART port entries. Improve the user visible string so that it becomes
clear to the user about Samsung UART ports.
While at it also remove some lines from the help text that are no
longer applicable across all Samsung platforms.
Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Now that all boards have been converted to DT and all the support code
lives in mach-mvebu, we can remove mach-kirkwood.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lkml.kernel.org/r/1405028192-9623-2-git-send-email-andrew@lunn.ch
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
One more step to allowing CLPS711X to participate in the
multi-platform defconfig.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Olof Johansson <olof@lixom.net>
sun6i/sun8i have a UART in the RTC block group, which can be used
as an early console. This is most useful on sun8i as UART0 is muxed
with MMC0, which is not available if we boot from MMC.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
- add new SoCs support
: exynos3250, 5260, 5410 and 5800
- enable multi-platform on exynos
: consolidate exynos related Kconfig entries
Note that this requires tags/samsung-cleanup and tags/samsung-clk-2
because of mostly migration exynos specific macros into mach-exynos
and exynos related Kconfig entries.
One more merge conflict happens in arch/arm/Kconfig for ARCH_EXYNOS
due to SRAM stuff, even though tried to sort them out. Since just
resolving it would be better I think, please remove ARCH_EXYNOS in
arch/arm/Kconfig when merge conflict happens.
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Merge tag 'samsung-exynos' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc
Samsung Exynos updates for 3.16
- add new SoCs support
: exynos3250, 5260, 5410 and 5800
- enable multi-platform on exynos
: consolidate exynos related Kconfig entries
* tag 'samsung-exynos' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (22 commits)
ARM: EXYNOS: Enable multi-platform build support
ARM: EXYNOS: Consolidate Kconfig entries
ARM: EXYNOS: Add support for EXYNOS5410 SoC
ARM: EXYNOS: Support secondary CPU boot of Exynos3250
ARM: EXYNOS: Add Exynos3250 SoC ID
ARM: EXYNOS: Add 5800 SoC support
ARM: EXYNOS: initial board support for exynos5260 SoC
cpufreq: exynos: Fix the compile error
ARM: S3C24XX: move debug-macro.S into the common space
ARM: S3C24XX: use generic DEBUG_UART_PHY/_VIRT in debug macro
ARM: S3C24XX: trim down debug uart handling
ARM: compressed/head.S: remove s3c24xx special case
ARM: EXYNOS: Remove unnecessary inclusion of cpu.h
ARM: EXYNOS: Migrate Exynos specific macros from plat to mach
ARM: EXYNOS: Remove exynos_subsys registration
ARM: EXYNOS: Remove duplicate lines in Makefile
ARM: EXYNOS: use v7_exit_coherency_flush macro for cache disabling
ARM: dts: Remove g2d_pd node for exynos5420
ARM: dts: Remove mau_pd node for exynos5420
ARM: exynos_defconfig: enable HS-I2C to fix for mmc partition mount
...
Signed-off-by: Olof Johansson <olof@lixom.net>
* Updated Kconfig DEBUG_QCOM_UARTDM help to include APQ8084 info
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Merge tag 'qcom-soc-for-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom into next/soc
Merge "Qualcomm ARM Based SoC Updates for v3.16-2" from Kumar Gala:
* Updated Kconfig DEBUG_QCOM_UARTDM help to include APQ8084 info
* tag 'qcom-soc-for-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom:
ARM: debug: qcom: add UART addresses to Kconfig help for APQ8084
Signed-off-by: Olof Johansson <olof@lixom.net>
Add information about the APQ8084 debug UART physical and virtual
addresses in the DEBUG_QCOM_UARTDM Kconfig help section.
Signed-off-by: Georgi Djakov <gdjakov@mm-sol.com>
Signed-off-by: Kumar Gala <galak@codeaurora.org>
Move debug-macro.S from mach/include to include/debug where
all other common debug macros are.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This removes the need for mach/-headers in the debug macro.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Using the lowlevel debug uart is a corner case - even more so in a
multiplatform environment. So it seems reasonable to simply let the
developer set the appropriate uart type for the debugged SoC.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Merge "Qualcomm ARM Based SoC Updates for v3.16" from Kumar Gala:
* Enabling building pinctrl and AMBA bus support
* Clean up debug UART selection
* tag 'qcom-soc-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom:
ARM: qcom: Select PINCTRL by default for ARCH_QCOM
ARM: debug: qcom: make UART address selection configuration option
ARM: qcom: Enable ARM_AMBA option for Qualcomm SOCs.
Conflicts:
arch/arm/Kconfig.debug
arch/arm/mach-qcom/Kconfig
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Separate Qualcomm low-level debugging UART to two options.
DEBUG_MSM_UART is used in earlier non-multi platform arches,
like MSM7X00A, QSD8X50 and MSM7X30.
DEBUG_QCOM_UARTDM is used in multi-plafrom arches and have
embedded data mover.
Make DEBUG_UART_PHYS and DEBUG_UART_BASE user adjustable by
Kconfig menu.
Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Tested-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>
Add choice for low-level debug UART. Similar to i.MX6, there is a
numeric configuration, valid choices are 0 to 3.
Note that the kernel assumes that the boot loader initialized clock
properly.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This patch sorts the entries for DEBUG_UART_{PHYS,VIRT}.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
These could not be part of the first cleanup branch, because they either
came too late in the cycle, or they have dependencies on other branches.
Important changes are:
* The integrator platform is almost multiplatform capable after
some reorganization (Linus Walleij)
* Minor cleanups on Zynq (Michal Simek)
* Lots of changes for Exynos and other Samsung platforms, including
further preparations for multiplatform support and the clocks bindings
are rearranged.
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Merge tag 'tags/cleanup2-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late cleanups from Arnd Bergmann:
"These could not be part of the first cleanup branch, because they
either came too late in the cycle, or they have dependencies on other
branches. Important changes are:
- The integrator platform is almost multiplatform capable after some
reorganization (Linus Walleij)
- Minor cleanups on Zynq (Michal Simek)
- Lots of changes for Exynos and other Samsung platforms, including
further preparations for multiplatform support and the clocks
bindings are rearranged"
* tag 'tags/cleanup2-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
devicetree: fix newly added exynos sata bindings
ARM: EXYNOS: Fix compilation error in cpuidle.c
ARM: S5P64X0: Explicitly include linux/serial_s3c.h in mach/pm-core.h
ARM: EXYNOS: Remove hardware.h file
ARM: SAMSUNG: Remove hardware.h inclusion
ARM: S3C24XX: Remove invalid code from hardware.h
dt-bindings: clock: Move exynos-audss-clk.h to dt-bindings/clock
ARM: dts: Keep some essential LDOs enabled for arndale-octa board
ARM: dts: Disable MDMA1 node for arndale-octa board
ARM: S3C64XX: Fix build for implicit serial_s3c.h inclusion
serial: s3c: Fix build of header without serial_core.h preinclusion
ARM: EXYNOS: Allow wake-up using GIC interrupts
ARM: EXYNOS: Stop using legacy Samsung PM code
ARM: EXYNOS: Remove PM initcalls and useless indirection
ARM: EXYNOS: Fix abuse of CONFIG_PM
ARM: SAMSUNG: Move s3c_pm_check_* prototypes to plat/pm-common.h
ARM: SAMSUNG: Move common save/restore helpers to separate file
ARM: SAMSUNG: Move Samsung PM debug code into separate file
ARM: SAMSUNG: Consolidate PM debug functions
ARM: SAMSUNG: Use debug_ll_addr() to get UART base address
...
Lots of changes specific to one of the SoC families. Some that
stick out are:
* mach-qcom gains new features, most importantly SMP support for
the newer chips (Stephen Boyd, Rohit Vaswani)
* mvebu gains support for three new SoCs: Armada 375, 380 and 385
(Thomas Petazzoni and Free-electrons team)
* SMP support for Rockchips (Heiko Stübner)
* Lots of i.MX changes (Shawn Guo)
* Added support for BCM5301x SoC (Hauke Mehrtens)
* Multiplatform support for Marvell Kirkwood and Dove
(Andrew Lunn and Sebastian Hesselbarth doing the final part
of a long journey)
* Unify davinci platforms and remove obsolete ones (Sekhar Nori,
Arnd Bergmann)
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Merge tag 'soc-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC specific changes from Arnd Bergmann:
"Lots of changes specific to one of the SoC families. Some that stick
out are:
- mach-qcom gains new features, most importantly SMP support for the
newer chips (Stephen Boyd, Rohit Vaswani)
- mvebu gains support for three new SoCs: Armada 375, 380 and 385
(Thomas Petazzoni and Free-electrons team)
- SMP support for Rockchips (Heiko Stübner)
- Lots of i.MX changes (Shawn Guo)
- Added support for BCM5301x SoC (Hauke Mehrtens)
- Multiplatform support for Marvell Kirkwood and Dove (Andrew Lunn
and Sebastian Hesselbarth doing the final part of a long journey)
- Unify davinci platforms and remove obsolete ones (Sekhar Nori, Arnd
Bergmann)"
* tag 'soc-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (126 commits)
ARM: sunxi: Select HAVE_ARM_ARCH_TIMER
ARM: cache-tauros2: remove ARMv6 code
ARM: mvebu: don't select CONFIG_NEON
ARM: davinci: fix DT booting with default defconfig
ARM: configs: bcm_defconfig: enable bcm590xx regulator support
ARM: davinci: remove tnetv107x support
MAINTAINERS: Update ARM STi maintainers
ARM: restrict BCM_KONA_UART to ARCH_BCM_MOBILE
ARM: bcm21664: Add board support.
ARM: sunxi: Add the new watchog compatibles to the reboot code
ARM: enable ARM_HAS_SG_CHAIN for multiplatform
ARM: davinci: remove da8xx_omapl_defconfig
ARM: davinci: da8xx: fix multiple watchdog device registration
ARM: davinci: add da8xx specific configs to davinci_all_defconfig
ARM: davinci: enable da8xx build concurrently with older devices
ARM: BCM5301X: workaround suppress fault
ARM: BCM5301X: add early debugging support
ARM: BCM5301X: initial support for the BCM5301X/BCM470X SoCs with ARM CPU
ARM: mach-bcm: Remove GENERIC_TIME
ARM: shmobile: APMU: Fix warnings due to improper printk formats
...
efm32 has no mach/uncompress.h, but we can trivially use
the fallback to the ll_debug code by just allowing this
option in Kconfig.
Found during randconfig testing.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Uwe Kleine-König <kernel@pengutronix.de>
The tnetv107x support does not compile, and seems to have been broken
for a while with nobody caring to fix it. So far everyone I asked
said it's probably dead and completely unused and will never again
be needed in a future kernel release, so let's delete it.
If someone finds a use for this code later and is able to get it
to work again, we can always revert the removal.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Kevin Hilman <khilman@linaro.org>
- Add bcm21664 support
- Use Kona Debug UART only on ARCH_BCM_MOBILE
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Merge tag 'armsoc/for-3.15/soc-3' of git://github.com/broadcom/mach-bcm into next/soc
Merge "ARM: mach-bcm: soc updates for 3.15 - part 2" from Matt Porter:
- Add bcm21664 support
- Use Kona Debug UART only on ARCH_BCM_MOBILE
* tag 'armsoc/for-3.15/soc-3' of git://github.com/broadcom/mach-bcm:
ARM: restrict BCM_KONA_UART to ARCH_BCM_MOBILE
ARM: bcm21664: Add board support.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Low-level debugging using the Broadcom Kona UART only makes sense on the
ARCH_BCM_MOBILE platform and would otherwise prevent ARCH_BCM_63XX from
picking up the right UART implementation by default.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Tim Kryger <tim.kryger@linaro.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
- add BCM5301x support
- remove GENERIC_TIME
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Merge tag 'armsoc/for-3.15/soc-2' of git://github.com/broadcom/mach-bcm into next/soc
Merge "ARM: mach-bcm soc updates" from Matt Porter:
- add BCM5301x support
- remove GENERIC_TIME
* tag 'armsoc/for-3.15/soc-2' of git://github.com/broadcom/mach-bcm:
ARM: BCM5301X: workaround suppress fault
ARM: BCM5301X: add early debugging support
ARM: BCM5301X: initial support for the BCM5301X/BCM470X SoCs with ARM CPU
ARM: mach-bcm: Remove GENERIC_TIME
Signed-off-by: Olof Johansson <olof@lixom.net>
All Samsung platforms, not only Exynos, use the custom uncompress.h
simply to setup the uart for the initial debug output. This can also
be done using the generic uncompress.h.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This adds support for early debugging of BCM5301X SoC.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Christian Daudt <bcm@fixthebug.org>
Signed-off-by: Matt Porter <mporter@linaro.org>
As a pre-requisite step towards enabling multi-platform support
for Exynos, enable it to use generic uncompress.h instead of the
one provided in machine code.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Introduce a new mach-qcom that will support SoCs that intend to be
multiplatform compatible while keeping mach-msm to legacy SoC/board
support that will not transition over to multiplatform.
As part of this, we move support for MSM8X60, MSM8960 and MSM8974 over
to mach-qcom.
Signed-off-by: Kumar Gala <galak@codeaurora.org>
New core SoC-specific changes.
New platforms:
* Introduction of a vendor, Hisilicon, and one of their SoCs with some
random numerical product name.
* Introduction of EFM32, embedded platform from Silicon Labs (ARMv7m, i.e. !MMU).
* Marvell Berlin series of SoCs, which include the one in Chromecast.
* MOXA platform support, ARM9-based platform used mostly in industrial products
* Support for Freescale's i.MX50 SoC.
Other work:
* Renesas work for new platforms and drivers, and conversion over to
more multiplatform-friendly device registration schemes.
* SMP support for Allwinner sunxi platforms.
* ... plus a bunch of other stuff across various platforms.
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform changes from Olof Johansson:
"New core SoC-specific changes.
New platforms:
* Introduction of a vendor, Hisilicon, and one of their SoCs with
some random numerical product name.
* Introduction of EFM32, embedded platform from Silicon Labs (ARMv7m,
i.e. !MMU).
* Marvell Berlin series of SoCs, which include the one in Chromecast.
* MOXA platform support, ARM9-based platform used mostly in
industrial products
* Support for Freescale's i.MX50 SoC.
Other work:
* Renesas work for new platforms and drivers, and conversion over to
more multiplatform-friendly device registration schemes.
* SMP support for Allwinner sunxi platforms.
* ... plus a bunch of other stuff across various platforms"
* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (201 commits)
ARM: tegra: fix tegra_powergate_sequence_power_up() inline
ARM: msm_defconfig: Update for multi-platform
ARM: msm: Move MSM's DT based hardware to multi-platform support
ARM: msm: Only build timer.c if required
ARM: msm: Only build clock.c on proc_comm based platforms
ARM: ux500: Enable system suspend with WFI support
ARM: ux500: turn on PRINTK_TIME in u8500_defconfig
ARM: shmobile: r8a7790: Fix I2C controller names
ARM: msm: Simplify ARCH_MSM_DT config
ARM: msm: Add support for MSM8974 SoC
ARM: sunxi: select ARM_PSCI
MAINTAINERS: Update Allwinner sunXi maintainer files
ARM: sunxi: Select RESET_CONTROLLER
ARM: imx: improve the comment of CCM lpm SW workaround
ARM: imx: improve status check of clock gate
ARM: imx: add necessary interface for pfd
ARM: imx_v6_v7_defconfig: Select CONFIG_REGULATOR_PFUZE100
ARM: imx_v6_v7_defconfig: Select MX35 and MX50 device tree support
ARM: imx: Add cpu frequency scaling support
ARM i.MX35: Add devicetree support.
...
- Add the initial i.MX50 SoC support
- Support device tree boot for i.MX35
- Move imx5 clock driver to use macros for clock ID
- Some random updates and non-critical fixes on clock drivers
- A few defconfig updates and minor cleanups
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Merge tag 'imx-soc-3.14' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc
From Shawn Guo:
i.MX SoC changes for 3.14:
- Add the initial i.MX50 SoC support
- Support device tree boot for i.MX35
- Move imx5 clock driver to use macros for clock ID
- Some random updates and non-critical fixes on clock drivers
- A few defconfig updates and minor cleanups
* tag 'imx-soc-3.14' of git://git.linaro.org/people/shawnguo/linux-2.6: (37 commits)
ARM: imx: improve the comment of CCM lpm SW workaround
ARM: imx: improve status check of clock gate
ARM: imx: add necessary interface for pfd
ARM: imx_v6_v7_defconfig: Select CONFIG_REGULATOR_PFUZE100
ARM: imx_v6_v7_defconfig: Select MX35 and MX50 device tree support
ARM: imx: Add cpu frequency scaling support
ARM i.MX35: Add devicetree support.
ARM: imx: update imx_v6_v7_defconfig
ARM: imx6sl: Add missing spba clock to clock tree
ARM: imx6sl: Add missing pll4_audio_div to the clock tree
ARM: imx6: Derive spdif clock from pll3_pfd3_454m
ARM: imx: use __initconst for const init definition
ARM i.MX5: fix obvious typo in ldb_di0_gate clk definition
ARM i.MX5: set CAN peripheral clock to 24 MHz parent
ARM: imx: pllv1: Fix PLL calculation for i.MX27
ARM i.MX5: fix "shift" value for lp_apm_sel on i.MX50 and i.MX53
ARM: imx: imx53: Add SATA PHY clock
ARM: imx_v6_v7_defconfig: Enable STMPE touchscreen
ARM: imx: rename IMX6SL_CLK_CLK_END to IMX6SL_CLK_END
ARM: imx: select PINCTRL at sub-architecure level
...
Signed-off-by: Olof Johansson <olof@lixom.net>
This patch adds low level debug uart support to Broadcom mobile based
SOCs.
Signed-off-by: Christian Daudt <bcm@fixthebug.org>
Tested-by: Markus Mayer <markus.mayer@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
Tested-by: Matt Porter <mporter@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This adds UART0 as found on Marvell 88DE3xxx SoCs, e.g. Armada 1500
to the list of possible lowlevel debug options.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reviewed-by: Jason Cooper <jason@lakedaemon.net>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Now that all the page setting infrastructure is in place,
Add the DEBUG_SET_MODULE_RONX to the ARM debugging Kconfig.
When turned on, data sections for modules will be marked as NX
and read only sections will be marked as such.
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This patch allows the kernel page tables to be dumped via a debugfs file,
allowing kernel developers to check the layout of the kernel page tables
and the verify the various permissions and type settings.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Add appropriate UART address definitions and support defines for using the
UARTs of the Freescale IMX50 SoC as debug ports.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Pull ARM updates from Russell King:
"Included in this series are:
1. BE8 (modern big endian) changes for ARM from Ben Dooks
2. big.Little support from Nicolas Pitre and Dave Martin
3. support for LPAE systems with all system memory above 4GB
4. Perf updates from Will Deacon
5. Additional prefetching and other performance improvements from Will.
6. Neon-optimised AES implementation fro Ard.
7. A number of smaller fixes scattered around the place.
There is a rather horrid merge conflict in tools/perf - I was never
notified of the conflict because it originally occurred between Will's
tree and other stuff. Consequently I have a resolution which Will
forwarded me, which I'll forward on immediately after sending this
mail.
The other notable thing is I'm expecting some build breakage in the
crypto stuff on ARM only with Ard's AES patches. These were merged
into a stable git branch which others had already pulled, so there's
little I can do about this. The problem is caused because these
patches have a dependency on some code in the crypto git tree - I
tried requesting a branch I can pull to resolve these, and all I got
each time from the crypto people was "we'll revert our patches then"
which would only make things worse since I still don't have the
dependent patches. I've no idea what's going on there or how to
resolve that, and since I can't split these patches from the rest of
this pull request, I'm rather stuck with pushing this as-is or
reverting Ard's patches.
Since it should "come out in the wash" I've left them in - the only
build problems they seem to cause at the moment are with randconfigs,
and since it's a new feature anyway. However, if by -rc1 the
dependencies aren't in, I think it'd be best to revert Ard's patches"
I resolved the perf conflict roughly as per the patch sent by Russell,
but there may be some differences. Any errors are likely mine. Let's
see how the crypto issues work out..
* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (110 commits)
ARM: 7868/1: arm/arm64: remove atomic_clear_mask() in "include/asm/atomic.h"
ARM: 7867/1: include: asm: use 'int' instead of 'unsigned long' for 'oldval' in atomic_cmpxchg().
ARM: 7866/1: include: asm: use 'long long' instead of 'u64' within atomic.h
ARM: 7871/1: amba: Extend number of IRQS
ARM: 7887/1: Don't smp_cross_call() on UP devices in arch_irq_work_raise()
ARM: 7872/1: Support arch_irq_work_raise() via self IPIs
ARM: 7880/1: Clear the IT state independent of the Thumb-2 mode
ARM: 7878/1: nommu: Implement dummy early_paging_init()
ARM: 7876/1: clear Thumb-2 IT state on exception handling
ARM: 7874/2: bL_switcher: Remove cpu_hotplug_driver_{lock,unlock}()
ARM: footbridge: fix build warnings for netwinder
ARM: 7873/1: vfp: clear vfp_current_hw_state for dying cpu
ARM: fix misplaced arch_virt_to_idmap()
ARM: 7848/1: mcpm: Implement cpu_kill() to synchronise on powerdown
ARM: 7847/1: mcpm: Factor out logical-to-physical CPU translation
ARM: 7869/1: remove unused XSCALE_PMU Kconfig param
ARM: 7864/1: Handle 64-bit memory in case of 32-bit phys_addr_t
ARM: 7863/1: Let arm_add_memory() always use 64-bit arguments
ARM: 7862/1: pcpu: replace __get_cpu_var_uses
ARM: 7861/1: cacheflush: consolidate single-CPU ARMv7 cache disabling code
...
Add debug uart support for MSM8974. This patch adds a Kconfig
entry and the base address for the debug uart.
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Create the hidden config DEBUG_MSM_UART and clean-up
the default selection for CONFIG_DEBUG_LL_INCLUDE.
Acked-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This implements output of debug messages on efm32 SoCs.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Add low-level debug support for vybrid, so that earlyprintk can be
enabled for debugging early boot issue.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This branch contains code cleanups, moves and removals for 3.12.
There's a large number of various cleanups, and a nice net removal of
13500 lines of code.
Highlights worth mentioning are:
- A series of patches from Stephen Boyd removing the ARM local timer API.
- Move of Qualcomm MSM IOMMU code to drivers/iommu.
- Samsung PWM driver cleanups from Tomasz Figa, removing legacy PWM driver
and switching over to the drivers/pwm one.
- Removal of some unusued auto-generated headers for OMAP2+ (PRM/CM).
There's also a move of a header file out of include/linux/i2c/ to
platform_data, where it really belongs. It touches mostly ARM platform
code for include changes so we took it through our tree.
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Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
"This branch contains code cleanups, moves and removals for 3.12.
There's a large number of various cleanups, and a nice net removal of
13500 lines of code.
Highlights worth mentioning are:
- A series of patches from Stephen Boyd removing the ARM local timer
API.
- Move of Qualcomm MSM IOMMU code to drivers/iommu.
- Samsung PWM driver cleanups from Tomasz Figa, removing legacy PWM
driver and switching over to the drivers/pwm one.
- Removal of some unusued auto-generated headers for OMAP2+ (PRM/CM).
There's also a move of a header file out of include/linux/i2c/ to
platform_data, where it really belongs. It touches mostly ARM
platform code for include changes so we took it through our tree"
* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
ARM: OMAP2+: Add back the define for AM33XX_RST_GLOBAL_WARM_SW_MASK
gpio: (gpio-pca953x) move header to linux/platform_data/
arm: zynq: hotplug: Remove unreachable code
ARM: SAMSUNG: Remove unnecessary exynos4_default_sdhci*()
tegra: simplify use of devm_ioremap_resource
ARM: SAMSUNG: Remove plat/regs-timer.h header
ARM: SAMSUNG: Remove remaining uses of plat/regs-timer.h header
ARM: SAMSUNG: Remove pwm-clock infrastructure
ARM: SAMSUNG: Remove old PWM timer platform devices
pwm: Remove superseded pwm-samsung-legacy driver
ARM: SAMSUNG: Modify board files to use new PWM platform device
ARM: SAMSUNG: Rework private data handling in dev-backlight
pwm: Add new pwm-samsung driver
ARM: mach-mvebu: remove redundant DT parsing and validation
ARM: msm: Only compile io.c on platforms that use it
iommu/msm: Move mach includes to iommu directory
ARM: msm: Remove devices-iommu.c
ARM: msm: Move mach/board.h contents to common.h
ARM: msm: Migrate msm_timer to CLOCKSOURCE_OF_DECLARE
ARM: msm: Remove TMR and TMR0 static mappings
...
Support UART0 debug ll on Hisilicon Hi3620 SoC & Hi3716 SoC.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Section entries are 2MB on LPAE, so the DEBUG_LL virtual address must
have the same offset in the 2MB section as the physical address. This
fixes async external aborts when DEBUG_LL is enabled on Midway.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
DEBUG_UNCOMPRESS was previously disallowed for Tegra due to tegra.S's
use of global data that was not linked into the decompressor. Solve this
by declaring this symbol in tegra.S when it is being built into the
decompressor. For the kernel proper, leave the declaration in
mach-tegra/common.c as explained in the comment.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The SPEAr debug code is a copy of the PL01x debugging code, so rather
than have this pointless code duplication, lets just use the standard
implementation instead.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Davinci's debugging is just a copy of the old 8250_32 code with a
different base address. Incorporate this into the generic 8250
debug code.
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Keystone's debugging is just a copy of the old 8250_32 code with a
different base address. Incorporate this into the generic 8250
debug code.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Provide generic option choices for 8250 and PL01x UART ports; these can
now be selected by UART type rather than asking about the platform.
This means that a kernel configuration user can manually choose the
various parameters of the debug UART without resorting to the platform
having to encode the possible settings.
These two generic options are preferred over further debug entries for
these ports; the existing options which refer back to the 8250 and PL01x
ports are now considered deprecated.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Now that the PL01X debug include can mostly stand alone without
requiring platforms to provide any macros, move it into the debug
directory so it can be directly included. This allows us to get rid of
a lot of debug-macros include files.
The autodetect case for Versatile Express and the ux500 are left alone;
these are more complicated implementations.
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Ryan Mallon <rmallon@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Move the definition of the UART register addresses out of the platform
specific header files into the Kconfig files.
Acked-by: Ryan Mallon <rmallon@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Now that the 8250 debug include can stand alone without requiring
platforms to provide any macros, move it into the debug directory
so it can be directly included. This allows us to get rid of a lot
of debug-macros include files.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Move the definition of the UART register addresses out of the platform
specific header file into the Kconfig files.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Move the definition of the UART register shift out of the platform
specific header file into the Kconfig files.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
It is silly to bury UART selection under multiple levels of choice
statements, where the top level choice statement will only list
about four entries when a single SoC is selected. Move the UART
selection up into the top level choice statement as it was always
intended to be.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The DEBUG_LL_UART_NONE option was moved from the top of the list to
the bottom - unfortunately, it still referred to the options "below"
rather than "above".
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
series involve following modifications:
1) fixing up few things in samsung_pwm_timer clocksource driver,
2) moving remaining Samsung platforms to the new clocksource driver,
3) removing old clocksource driver,
4) adding new multiplatform- and DT-aware PWM driver,
5) moving all Samsung platforms to use the new PWM driver,
6) removing old PWM driver,
7) removing all PWM-related code that is not used anymore.
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Merge tag 'v3.12-pwm-cleanup-for-olof' of git://github.com/tom3q/linux into next/cleanup
From Tomasz Figa:
Here is the Samsung PWM cleanup series. Particular patches of the series
involve following modifications:
- fixing up few things in samsung_pwm_timer clocksource driver,
- moving remaining Samsung platforms to the new clocksource driver,
- removing old clocksource driver,
- adding new multiplatform- and DT-aware PWM driver,
- moving all Samsung platforms to use the new PWM driver,
- removing old PWM driver,
- removing all PWM-related code that is not used anymore.
* tag 'v3.12-pwm-cleanup-for-olof' of git://github.com/tom3q/linux: (684 commits)
ARM: SAMSUNG: Remove plat/regs-timer.h header
ARM: SAMSUNG: Remove remaining uses of plat/regs-timer.h header
ARM: SAMSUNG: Remove pwm-clock infrastructure
ARM: SAMSUNG: Remove old PWM timer platform devices
pwm: Remove superseded pwm-samsung-legacy driver
ARM: SAMSUNG: Modify board files to use new PWM platform device
ARM: SAMSUNG: Rework private data handling in dev-backlight
pwm: Add new pwm-samsung driver
pwm: samsung: Rename to pwm-samsung-legacy
ARM: SAMSUNG: Remove unused PWM timer IRQ chip code
ARM: SAMSUNG: Remove old samsung-time driver
ARM: SAMSUNG: Move all platforms to new clocksource driver
ARM: SAMSUNG: Set PWM platform data
ARM: SAMSUNG: Add new PWM platform device
ARM: SAMSUNG: Unify base address definitions of timer block
clocksource: samsung_pwm_timer: Handle suspend/resume correctly
clocksource: samsung_pwm_timer: Do not use clocksource_mmio
clocksource: samsung_pwm_timer: Cache clocksource register address
clocksource: samsung_pwm_timer: Correct definition of AUTORELOAD bit
clocksource: samsung_pwm_timer: Do not request PWM mem region
+ v3.11-rc4
Conflicts:
arch/arm/Kconfig.debug
Signed-off-by: Olof Johansson <olof@lixom.net>
One more step to allowing MSM to participate in the
multi-platform defconfig.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
[davidb: Comment cleanup requested by sboyd]
Signed-off-by: David Brown <davidb@codeaurora.org>
This non-user visible option lacked any kind of documentation. This
is quite common for non-user visible options; certian people can't
understand the point of documenting such options with help text.
However, here we have a case in point: developers don't understand the
option either, as they were thinking that when the option is not set,
the decompressor should produce no output what so ever. This is
incorrect, as the purpose of this option is to control whether a
multiplatform kernel uses the kernel debugging macros to produce
output or not.
So let's document this via help rather than commentry to prevent others
falling into this misunderstanding.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
get in before -rc1.
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Merge tag 'omap-for-v3.11/fixes-for-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Omap fixes and minor defconfig updates that would be good to
get in before -rc1.
* tag 'omap-for-v3.11/fixes-for-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: omap2plus_defconfig: Enable appended DTB support
ARM: OMAP2+: Enable TI_EDMA in omap2plus_defconfig
ARM: OMAP2+: omap2plus_defconfig: enable DRA752 thermal support by default
ARM: OMAP2+: omap2plus_defconfig: enable TI bandgap driver
ARM: OMAP2+: devices: remove duplicated include from devices.c
ARM: OMAP3: igep0020: Set DSS pins in correct mux mode.
ARM: OMAP2+: N900: enable N900-specific drivers even if device tree is enabled
ARM: OMAP2+: Cocci spatch "ptr_ret.spatch"
ARM: OMAP2+: Remove obsolete Makefile line
ARM: OMAP5: Enable Cortex A15 errata 798181
ARM: scu: provide inline dummy functions when SCU is not present
ARM: OMAP4: sleep: build OMAP4 specific functions only for OMAP4
ARM: OMAP2+: timer: initialize before using oh_name
Signed-off-by: Olof Johansson <olof@lixom.net>
Add/move/change conflicts in arch/arm/mach-omap2/Kconfig resolved.
Pull ARM updates from Russell King:
"This contains the usual updates from other people (listed below) and
the usual random muddle of miscellaneous ARM updates which cover some
low priority bug fixes and performance improvements.
I've started to put the pull request wording into the merge commits,
which are:
- NoMMU stuff:
This includes the following series sent earlier to the list:
- nommu-fixes
- R7 Support
- MPU support
I've left out the ARCH_MULTIPLATFORM/!MMU stuff that Arnd and I
were discussing today until we've reached a conclusion/that's had
some more review.
This is rebased (and re-tested) on your devel-stable branch because
otherwise there were going to be conflicts with Uwe's V7M work now
that you've merged that. I've included the fix for limiting MPU to
CPU_V7.
- Huge page support
These changes bring both HugeTLB support and Transparent HugePage
(THP) support to ARM. Only long descriptors (LPAE) are supported
in this series.
The code has been tested on an Arndale board (Exynos 5250).
- LPAE updates
Please pull these miscellaneous LPAE fixes I've been collecting for
a while now for 3.11. They've been tested and reviewed by quite a
few people, and most of the patches are pretty trivial. -- Will Deacon.
- arch_timer cleanups
Please pull these arch_timer cleanups I've been holding onto for a
while. They're the same as my last posting, but have been rebased
to v3.10-rc3.
- mpidr linearisation (multiprocessor id register - identifies which
CPU number we are in the system)
This patch series that implements MPIDR linearization through a
simple hashing algorithm and updates current cpu_{suspend}/{resume}
code to use the newly created hash structures to retrieve context
pointers. It represents a stepping stone for the implementation of
power management code on forthcoming multi-cluster ARM systems.
It has been tested on TC2 (dual cluster A15xA7 system), iMX6q,
OMAP4 and Tegra, with processors hitting low-power states requiring
warm-boot resume through the cpu_resume code path"
* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (77 commits)
ARM: 7775/1: mm: Remove do_sect_fault from LPAE code
ARM: 7777/1: Avoid extra calls to the C compiler
ARM: 7774/1: Fix dtb dependency to use order-only prerequisites
ARM: 7770/1: remove residual ARMv2 support from decompressor
ARM: 7769/1: Cortex-A15: fix erratum 798181 implementation
ARM: 7768/1: prevent risks of out-of-bound access in ASID allocator
ARM: 7767/1: let the ASID allocator handle suspended animation
ARM: 7766/1: versatile: don't mark pen as __INIT
ARM: 7765/1: perf: Record the user-mode PC in the call chain.
ARM: 7735/2: Preserve the user r/w register TPIDRURW on context switch and fork
ARM: kernel: implement stack pointer save array through MPIDR hashing
ARM: kernel: build MPIDR hash function data structure
ARM: mpu: Ensure that MPU depends on CPU_V7
ARM: mpu: protect the vectors page with an MPU region
ARM: mpu: Allow enabling of the MPU via kconfig
ARM: 7758/1: introduce config HAS_BANDGAP
ARM: 7757/1: mm: don't flush icache in switch_mm with hardware broadcasting
ARM: 7751/1: zImage: don't overwrite ourself with a page table
ARM: 7749/1: spinlock: retry trylock operation if strex fails on free lock
ARM: 7748/1: oabi: handle faults when loading swi instruction from userspace
...
These are changes that arrived a little late before the merge
window or that have multiple dependencies on previous branches
so they did not fit into one of the earlier ones. There
are 10 branches merged here, a total of 39 non-merge commits.
Contents are a mixed bag for the above reasons:
* Two new SoC platforms: ST microelectronics stixxxx and
the TI 'Nspire' graphing calculator. These should have
been in the 'soc' branch but were a little late
* Support for the Exynos 5420 variant in mach-exynos,
which is based on the other exynos branches to avoid
conflicts.
* Various small changes for sh-mobile, ux500 and davinci
* Common clk support for MSM
Conflicts:
* In Kconfig.debug, various additions trivially conflict,
the list should be kept in alphabetical order when
resolving.
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Merge tag 'late-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late changes from Arnd Bergmann:
"These are changes that arrived a little late before the merge window
or that have multiple dependencies on previous branches so they did
not fit into one of the earlier ones. There are 10 branches merged
here, a total of 39 non-merge commits. Contents are a mixed bag for
the above reasons:
* Two new SoC platforms: ST microelectronics stixxxx and the TI
'Nspire' graphing calculator. These should have been in the 'soc'
branch but were a little late
* Support for the Exynos 5420 variant in mach-exynos, which is based
on the other exynos branches to avoid conflicts.
* Various small changes for sh-mobile, ux500 and davinci
* Common clk support for MSM"
* tag 'late-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (39 commits)
ARM: ux500: bail out on alien cpus
ARM: davinci: da850: adopt to pinctrl-single change for configuring multiple pins
serial: sh-sci: Initialise variables before access in sci_set_termios()
ARM: stih41x: Add B2020 board support
ARM: stih41x: Add B2000 board support
ARM: sti: Add DEBUG_LL console support
ARM: sti: Add STiH416 SOC support
ARM: sti: Add STiH415 SOC support
ARM: msm: Migrate to common clock framework
ARM: msm: Make proc_comm clock control into a platform driver
ARM: msm: Prepare clk_get() users in mach-msm for clock-pcom driver
ARM: msm: Remove clock-7x30.h include file
ARM: msm: Remove custom clk_set_{max,min}_rate() API
ARM: msm: Remove custom clk_set_flags() API
msm: iommu: Use clk_set_rate() instead of clk_set_min_rate()
msm: iommu: Convert to clk_prepare/unprepare
msm_sdcc: Convert to clk_prepare/unprepare
usb: otg: msm: Convert to clk_prepare/unprepare
msm_serial: Use devm_clk_get() and properly return errors
msm_serial: Convert to clk_prepare/unprepare
...
From Srinivas Kandagatla <srinivas.kandagatla@st.com>:
This patch-set adds basic support for STMicroelectronics STi series SOCs
which includes STiH415 and STiH416 with B2000 and B2020 board support.
STiH415 and STiH416 are dual-core ARM Cortex-A9 CPU, designed for
use in Set-top-boxes. The SOC support is available in mach-sti which
contains support code for STiH415, STiH416 SOCs including the generic
board support.
The reason for adding two SOCs at this patch set is to show that no new
C code is required for second SOC(STiH416) support.
* sti/soc:
ARM: stih41x: Add B2020 board support
ARM: stih41x: Add B2000 board support
ARM: sti: Add DEBUG_LL console support
ARM: sti: Add STiH416 SOC support
ARM: sti: Add STiH415 SOC support
Signed-off-by: Olof Johansson <olof@lixom.net>
This patch adds low level debug uart support to sti based SOCs.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
CC: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
This patch adds support for the TI-Nspire platform.
Changes between v1 and v2:
* Added GENERIC_IRQ_CHIP to platform Kconfig
Signed-off-by: Daniel Tang <dt.tangr@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'v3.11-rockchip-basics' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/soc
From Heiko Stuebner:
Adds basic support for Rockchip Cortex-A9 SoCs.
* tag 'v3.11-rockchip-basics' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm: add basic support for Rockchip RK3066a boards
arm: add debug uarts for rockchip rk29xx and rk3xxx series
arm: Add basic clocks for Rockchip rk3066a SoCs
clocksource: dw_apb_timer_of: use clocksource_of_init
clocksource: dw_apb_timer_of: select DW_APB_TIMER
clocksource: dw_apb_timer_of: add clock-handling
clocksource: dw_apb_timer_of: enable the use the clocksource as sched clock
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Uarts on all recent Rockchip SoCs are Synopsis DesignWare 8250 types.
Only their addresses vary very much.
This patch adds the necessary definitions to use any of the uart ports
for early debug purposes.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
* New SoCs i.MX6 Sololite and Vybrid VF610 support
* imx5 and imx6 clock fixes and additions
* Update clock driver to use of_clk_init() function
* Refactor restart routine mxc_restart() to get it work for DT boot
as well
* Clean up mxc specific ulpi access ops
* imx defconfig updates
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Merge tag 'imx-soc-3.11' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc
From Shawn Guo:
imx soc changes for 3.11:
* New SoCs i.MX6 Sololite and Vybrid VF610 support
* imx5 and imx6 clock fixes and additions
* Update clock driver to use of_clk_init() function
* Refactor restart routine mxc_restart() to get it work for DT boot
as well
* Clean up mxc specific ulpi access ops
* imx defconfig updates
* tag 'imx-soc-3.11' of git://git.linaro.org/people/shawnguo/linux-2.6: (29 commits)
ARM: imx_v6_v7_defconfig: Enable Vybrid VF610
ARM: imx_v6_v7_defconfig: Enable imx-wm8962 by default
ARM: clk-imx6qdl: Add clko1 configuration for imx6qdl-sabresd
ARM: imx_v6_v7_defconfig: Enable PWM and backlight options
ARM: imx: Remove mxc specific ulpi access ops
ARM: imx: add initial support for VF610
ARM: imx: add VF610 clock support
ARM: imx_v6_v7_defconfig: enable parallel display
ARM: imx: clk: No need to initialize phandle struct
ARM: imx: irq-common: Include header to avoid sparse warning
ARM: imx: Enable mx6 solo-lite support
ARM: imx6: use common of_clk_init() call to initialize clocks
ARM: imx6q: call of_clk_init() to register fixed rate clocks
ARM: imx: imx_v6_v7_defconfig: Select CONFIG_DRM_IMX_TVE
ARM: i.MX6: clk: add different DualLite MLB clock config
ARM i.MX5: Add S/PDIF clocks
ARM i.MX53: Add SATA clock
ARM: imx6q: clk: add the eim_slow clock
ARM: imx: remove MLB PLL from pllv3
ARM: imx: disable pll8_mlb in mx6q_clks
...
Conflicts:
arch/arm/Kconfig.debug (simple add/add conflict)
Includes an update to 3.10-rc6
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Add devicetree support to timer, pinctrl (probe), I2C block,
watchdog, DMA controller and clocks.
- Piecewise add a device tree containing all peripherals.
- Delete the ATAG boot path.
- Delete redundant platform data and board files.
- Convert to multiplatform.
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Merge tag 'u300-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/soc
From Linus Walleij:
Device Tree and Multiplatform support for U300:
- Add devicetree support to timer, pinctrl (probe), I2C block,
watchdog, DMA controller and clocks.
- Piecewise add a device tree containing all peripherals.
- Delete the ATAG boot path.
- Delete redundant platform data and board files.
- Convert to multiplatform.
* tag 'u300-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson: (40 commits)
ARM: u300: switch to using syscon regmap for board
ARM: u300: Update MMC configs for u300 defconfig
spi: pl022: use DMA by default when probing from DT
pinctrl: get rid of all platform data for coh901
ARM: u300: convert MMC/SD clock to device tree
ARM: u300: move the gated system controller clocks to DT
i2c: stu300: do not request a specific clock name
clk: move the U300 fixed and fixed-factor to DT
ARM: u300: remove register definition file
ARM: u300: add syscon node
ARM: u300 use module_spi_driver to register driver
ARM: u300: delete remnant machine headers
ARM: u300: convert to multiplatform
ARM: u300: localize <mach/u300-regs.h>
ARM: u300: delete <mach/irqs.h>
ARM: u300: delete <mach/hardware.h>
ARM: u300: push down syscon registers
ARM: u300: remove deps from debug macro
ARM: u300: move debugmacro to debug includes
ARM: u300: delete all static board data
...
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Minimal machine and device-tree support with arch_timers and console UART
- Reboot hook using PLL reset
- Low level debug support using UART
- SMP boot support
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Merge tag 'keystone-soc-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/soc
From Santosh Shilimkar:
SOC support for Keystone II devices:
- Minimal machine and device-tree support with arch_timers and console UART
- Reboot hook using PLL reset
- Low level debug support using UART
- SMP boot support
* tag 'keystone-soc-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
ARM: keystone: Enable SMP support on Keystone machines
ARM: keystone: Add minimal TI Keystone platform support
ARM: dts: keystone: Add minimal Keystone SOC device tree data
Signed-off-by: Olof Johansson <olof@lixom.net>
Texas Instruments Keystone family of multi-core devices are
based on ARM Cortex A15. Patch adds basic definitions for a
new Keystone sub-architecture in ARM.
The TCI66xxK2H Communications Infrastructure Keystone SoCs
are member of the C66x family based on TI's new KeyStone 2
multi-core SoC Architecture designed specifically for high
performance wireless and networking infrastructure applications.
The SOCs contains many subsystems like Cortex A15 ARM CorePacs,
C66XX DSP CorePacs, MSMC memory controller, Tera Net bus,
IP Network, Navigator, Hyperlink, 1G/10G Ethernet, Radio layers
and queue based communication systems.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: arm@kernel.org
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
In order to support both old and new bootloaders, we add a new Kconfig
option for the earlyprintk UART selection. The existing option allows
to work with old bootloaders (that keep the internal registers mapped
at 0xd0000000), while the newly introduced option allows to work with
new bootloaders (that remap the internal registers at 0xf1000000).
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The Cortex-R series processors on Versatile Express have a different memory
map to the RS1 and CA9X4 tiles. Most of the platform difference can be
expressed in device-trees, but the UART definitions for LL_DEBUG cannot.
This patch defines the UART location for R-Series processors on
versatile-express, allowing low-level debug and output from the decompressor.
These definitions are selectable via Kconfig
Signed-off-by: Jonathan Austin <jonathan.austin@arm.com>
CC: Pawel Moll <pawel.moll@arm.com>
This is the third and smallest of the SoC specific updates.
Changes include:
* SMP support for the Xilinx zynq platform
* Smaller imx changes
* LPAE support for mvebu
* Moving the orion5x, kirkwood, dove and mvebu platforms
to a common "mbus" driver for their internal devices.
It would be good to get feedback on the location of the "mbus"
driver. Since this is used on multiple platforms may potentially
get shared with other architectures (powerpc and arm64), it
was moved to drivers/bus/. We expect other similar drivers to
get moved to the same place in order to avoid creating more
top-level directories under drivers/ or cluttering up the
messy drivers/misc/ even more.
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Merge tag 'soc-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates (part 3) from Arnd Bergmann:
"This is the third and smallest of the SoC specific updates. Changes
include:
- SMP support for the Xilinx zynq platform
- Smaller imx changes
- LPAE support for mvebu
- Moving the orion5x, kirkwood, dove and mvebu platforms to a common
"mbus" driver for their internal devices.
It would be good to get feedback on the location of the "mbus" driver.
Since this is used on multiple platforms may potentially get shared
with other architectures (powerpc and arm64), it was moved to
drivers/bus/. We expect other similar drivers to get moved to the
same place in order to avoid creating more top-level directories under
drivers/ or cluttering up the messy drivers/misc/ even more."
* tag 'soc-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (50 commits)
ARM: imx: reset_controller may be disabled
ARM: mvebu: Align the internal registers virtual base to support LPAE
ARM: mvebu: Limit the DMA zone when LPAE is selected
arm: plat-orion: remove addr-map code
arm: mach-mv78xx0: convert to use the mvebu-mbus driver
arm: mach-orion5x: convert to use mvebu-mbus driver
arm: mach-dove: convert to use mvebu-mbus driver
arm: mach-kirkwood: convert to use mvebu-mbus driver
arm: mach-mvebu: convert to use mvebu-mbus driver
ARM i.MX53: set CLK_SET_RATE_PARENT flag on the tve_ext_sel clock
ARM i.MX53: tve_di clock is not part of the CCM, but of TVE
ARM i.MX53: make tve_ext_sel propagate rate change to PLL
ARM i.MX53: Remove unused tve_gate clkdev entry
ARM i.MX5: Remove tve_sel clock from i.MX53 clock tree
ARM: i.MX5: Add PATA and SRTC clocks
ARM: imx: do not bring up unavailable cores
ARM: imx: add initial imx6dl support
ARM: imx1: mm: add call to mxc_device_init
ARM: imx_v4_v5_defconfig: Add CONFIG_GPIO_SYSFS
ARM: imx_v6_v7_defconfig: Select CONFIG_PERF_EVENTS
...
These changes are all for board specific files. These used to make up a
large portion of the ARM changes in the past, but as we are generalizing
the support and moving to device tree probing, this has gotten
significantly smaller. The only platform actually adding new code here
at the moment is Renesas shmobile, as they are still busy converting
their code to device tree and have not come far enough to not need it.
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Merge tag 'boards-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC board specific changes (part 1) from Olof Johansson:
"These changes are all for board specific files. These used to make up
a large portion of the ARM changes in the past, but as we are
generalizing the support and moving to device tree probing, this has
gotten significantly smaller.
The only platform actually adding new code here at the moment is
Renesas shmobile, as they are still busy converting their code to
device tree and have not come far enough to not need it."
* tag 'boards-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
ARM: msm: USB_MSM_OTG needs USB_PHY
ARM: davinci: da850 evm: fix const qualifier placement
ARM: davinci: da850 board: add remoteproc support
ARM: pxa: move debug uart code
ARM: pxa: select PXA935 on saar & tavorevb
ARM: mmp: add more compatible names in gpio driver
ARM: pxa: move PXA_GPIO_TO_IRQ macro
ARM: pxa: remove cpu_is_xxx in gpio driver
ARM: Kirkwood: update Network Space Mini v2 description
ARM: Kirkwood: DT board setup for CloudBox
ARM: Kirkwood: sort board entries by ASCII-code order
ARM: OMAP: board-4430sdp: Provide regulator to pwm-backlight
ARM: OMAP: zoom: Use pwm stack for lcd and keyboard backlight
ARM: OMAP2+: omap2plus_defconfig: Add support for BMP085 pressure sensor
omap2+: Remove useless Makefile line
omap2+: Remove useless Makefile line
ARM: OMAP: RX-51: add missing regulator supply definitions for lis3lv02d
ARM: OMAP1: fix omap_udc registration
ARM: davinci: use is IS_ENABLED macro
ARM: kirkwood: add MACH_GURUPLUG_DT to defconfig
...
Pull ARM updates from Russell King:
"The major items included in here are:
- MCPM, multi-cluster power management, part of the infrastructure
required for ARMs big.LITTLE support.
- A rework of the ARM KVM code to allow re-use by ARM64.
- Error handling cleanups of the IS_ERR_OR_NULL() madness and fixes
of that stuff for arch/arm
- Preparatory patches for Cortex-M3 support from Uwe Kleine-König.
There is also a set of three patches in here from Hugh/Catalin to
address freeing of inappropriate page tables on LPAE. You already
have these from akpm, but they were already part of my tree at the
time he sent them, so unfortunately they'll end up with duplicate
commits"
* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (77 commits)
ARM: EXYNOS: remove unnecessary use of IS_ERR_VALUE()
ARM: IMX: remove unnecessary use of IS_ERR_VALUE()
ARM: OMAP: use consistent error checking
ARM: cleanup: OMAP hwmod error checking
ARM: 7709/1: mcpm: Add explicit AFLAGS to support v6/v7 multiplatform kernels
ARM: 7700/2: Make cpu_init() notrace
ARM: 7702/1: Set the page table freeing ceiling to TASK_SIZE
ARM: 7701/1: mm: Allow arch code to control the user page table ceiling
ARM: 7703/1: Disable preemption in broadcast_tlb*_a15_erratum()
ARM: mcpm: provide an interface to set the SMP ops at run time
ARM: mcpm: generic SMP secondary bringup and hotplug support
ARM: mcpm_head.S: vlock-based first man election
ARM: mcpm: Add baremetal voting mutexes
ARM: mcpm: introduce helpers for platform coherency exit/setup
ARM: mcpm: introduce the CPU/cluster power API
ARM: multi-cluster PM: secondary kernel entry code
ARM: cacheflush: add synchronization helpers for mixed cache state accesses
ARM: cpu hotplug: remove majority of cache flushing from platforms
ARM: smp: flush L1 cache in cpu_die()
ARM: tegra: remove tegra specific cpu_disable()
...
These patches get us closer to adding multiplatform support on
the Exynos platform, they are part of a longer series of
patches. This would get all the simple stuff out of the
way, and I don't think there is a big risk of introducing
regressions with these.
A lot of the other patches have already been merged into
subsystem trees. After this series in in arm-soc, what is
left comes down to
* The ASoC conversion to dmaengine won't make it unless someone
who knows that code better steps up to do it right away. This
means that we won't have audio in a 3.10 multiplatform kernel
on Exynos, but it will still work for users that don't enable
multiplatform.
* The irqchip (combiner), clk and clksource patches are all based
on top of other changesets we pulled in from your trees, so I
would not make them part of the next/multiplatform branch. We can
apply them on top of the next/drivers branch once they are
tested successfully.
* A trivial patch is needed in the end to actually make
CONFIG_ARCH_EXYNOS visible in multiplatform configurations.
We will do that as a separate patch once everything else is
there.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The move is necessary to support early debug output on exynos
with multiplatform configurations. This implies also moving the
plat/debug-macro.S file, but we are leaving the remaining users of that
file in place, to avoid adding large numbers of extra configuration
options to Kconfig.debug
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The i.MX6 DualLite/Solo is another i.MX6 family SoC, which is highly
compatible with i.MX6 Quad/Dual. And that's why we choose to support
it using imx6q code with cpu_is_imx6dl() check when necessary.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Move debug uart code from mach-pxa/mach-mmp to debug directory.
Since they are similar, merge them together.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Acked-by: Eric Mico <eric.y.miao@gmail.com>
* It enables the multiplatform build for mach-mxs platform.
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Merge tag 'mxs-multiplatform-3.10' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/multiplatform
From Shawn Guo <shawn.guo@linaro.org>:
The mxs multiplatform support for 3.10:
* It enables the multiplatform build for mach-mxs platform.
* tag 'mxs-multiplatform-3.10' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: mxs: enable multiplatform build
ARM: mxs: rename debug-macro.S for multiplatform build
ARM: mxs: call mxs_pm_init() as a machine_desc hook
Conflicts:
arch/arm/Kconfig.debug
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
From Linus Walleij <linus.walleij@linaro.org>:
Ux500 multiplatform support. This tag builds upon the MFD-specific base
tag "ux500-multiplatform-mfd". This removes all <mach/*> dependencies
and makes the ux500 fully multi-platform.
* tag 'ux500-multiplatform-asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
ARM: ux500: build hotplug.o for ARMv7-a
ARM: ux500: move to multiplatform
ARM: ux500: make remaining headers local
ARM: ux500: make irqs.h local to platform
ARM: ux500: get rid of <mach/[hardware|db8500-regs].h>
staging: ste_rmi4: kill platform_data hack
ARM: ux500: move mach/msp.h to <linux/platform_data/*>
clk: ux500: pass clock base adresses in init call
ARM: ux500: make debug macro stand-alone
ARM: ux500: move debugmacro to debug includes
ARM: ux500: split out prcmu initialization
mfd: db8500-prcmu: drop unused includes
ARM: ux500: move PM-related PRCMU functions to machine
mfd: db8500-prcmu: get base address from resource
mfd: prcmu: pass a base and size with the early initcall
Conflicts:
arch/arm/Kconfig
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This branch (patch) converts BCM2835 to support being built into a
multi-platform single zImage. This mostly entails a few small Kconfig
tweaks, move the earlyprintk implementation to the standard multi-
platform location, and deleting some unnecessary files.
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Merge tag 'bcm2835-for-3.10-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi into next/multiplatform
From Stephen Warren <swarren@wwwdotorg.org>:
ARM: bcm2835: convert to multi-platform
This branch (patch) converts BCM2835 to support being built into a
multi-platform single zImage. This mostly entails a few small Kconfig
tweaks, move the earlyprintk implementation to the standard multi-
platform location, and deleting some unnecessary files.
* tag 'bcm2835-for-3.10-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi:
ARM: bcm2835: convert to multi-platform
Conflicts:
arch/arm/Kconfig
arch/arm/Kconfig.debug
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This moves the Ux500 debug macro to the debug headers to
make way for multiplatform support.
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This series enables multiplatform support on the SIRF prima2/marco/atlas6
platform. The code was already quite tidy, so this is a relatively simple
change, and it follows similar changes we made to other ARMv7 based
platforms recently.
* prima2/multiplatform:
ARM: sirf: enable support in multi_v7_defconfig
ARM: sirf: enable multiplatform support
ARM: sirf: use clocksource_of infrastructure
ARM: sirf: move debug-macro.S to include/debug/sirf.S
ARM: sirf: enable sparse IRQ
ARM: sirf: move irq driver to drivers/irqchip
ARM: sirf: fix prima2 interrupt lookup
pinctrl: sirf: convert to linear irq domain
clocksource: make CLOCKSOURCE_OF_DECLARE type safe
ARM/dts: prima2: add .dtsi for atlas6 and .dts for atla6-evb board
arm: prima2: add new SiRFatlas6 machine in common board
ARM: smp_twd: convert to use CLKSRC_OF init
clocksource: tegra20: use the device_node pointer passed to init
clocksource: pass DT node pointer to init functions
clocksource: add empty version of clocksource_of_init
Conflicts:
arch/arm/configs/multi_v7_defconfig
arch/arm/mach-spear/spear13xx.c
Tested-by: Barry Song <Barry.Song@csr.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The new style ll_debug implementation for multiplatform requires the
platform glue to be in include/debug, so let's move it there to
separate the debugging logic from the platform code.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Barry Song <Baohua.Song@csr.com>
While adding i.MX DEBUG_LL selection, commit f8c95fe (ARM: imx: support
DEBUG_LL uart port selection for all i.MX SoCs) leaves Kconfig symbol
DEBUG_IMX_UART_PORT there without any dependency check. This results in
that everyone gets the symbol in their config, which is someting
undesirable. Add "depends on ARCH_MXC" for the symbol to prevent that.
Reported-by: Karl Beldan <karl.beldan@gmail.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
I've looked at all the platforms recently to see what their
state is. cns3xxx seems quite clean but not very actively
maintained. Since it is really easy to convert to multiplatform,
that's what I did here.
* cns3xxx/multiplatform:
ARM: cns3xxx: initial DT support
ARM: cns3xxx: enable multiplatform support
ARM: cns3xxx: move debug_ll code to include/debug/
ARM: cns3xxx: enable sparse IRQ support
ARM: cns3xxx: make mach header files local
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Instead of giving zero support of uncompress debug for multiplatform
build, the patch turns uncompress debug into one part of DEBUG_LL
support. When DEBUG_LL is turned on for a particular platform,
uncompress debug works too for that platform.
OMAP and Tegra are exceptions here. OMAP low-level debug code places
data in the .data section, and that is not allowed in decompressor.
And Tegra code has reference to variable that's unavailable in
decompressor but only in kernel. That's why Kconfig symbol
DEBUG_UNCOMPRESS controlling multiplatform uncompress debug support is
defined with !DEBUG_OMAP2PLUS_UART && !DEBUG_TEGRA_UART.
It creates arch/arm/boot/compressed/debug.S with CONFIG_DEBUG_LL_INCLUDE
included there, implements a generic putc() using those macros, which
will be built when DEBUG_UNCOMPRESS is defined.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Following the approach handling DEBUG_LL inclusion, the patch creates
a Kconfig symbol CONFIG_UNCOMPRESS_INCLUDE for choosing the correct
uncompress header. For traditional build, mach/uncompress.h will be
included in arch/arm/boot/compressed/misc.c. For multiplatform build,
debug/uncompress.h which contains a suite of empty functions will be
used. In this way, a platform with particular uncompress.h
implementation could choose its own uncompress.h with this Kconfig
option.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This is needed in order to keep debug_ll functionality on
cns3xxx working when we enable ARCH_MULTIPLATFORM.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This allows BCM2835 be included in a kernel build that supports multiple
SoCs at once, which is useful for distro kernels.
This change:
* Moves bcm2835's debug-macro.S into ARM's include/debug/, and hooks it
into the relevant menu.
* Moves bcm2835's Kconfig into its own directory, as seems typical for
multi-platform conversions.
* Removes bcm2835_soc.h, and moves the content to the files where it was
used; just one usage per define.
* Deletes some headers and Makefile.boot that aren't needed now that we
support multi-platform.
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Commit f8c95fe (ARM: imx: support DEBUG_LL uart port selection for all
i.MX SoCs) had a typo that DEBUG_IMX50_IMX53_UART should be
DEBUG_IMX53_UART.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This is a larger set of new functionality for the existing SoC families,
including:
* vt8500 gains support for new CPU cores, notably the Cortex-A9 based wm8850
* prima2 gains support for the "marco" SoC family, its SMP based cousin
* tegra gains support for the new Tegra4 (Tegra114) family
* socfpga now supports a newer version of the hardware including SMP
* i.mx31 and bcm2835 are now using DT probing for their clocks
* lots of updates for sh-mobile
* OMAP updates for clocks, power management and USB
* i.mx6q and tegra now support cpuidle
* kirkwood now supports PCIe hot plugging
* tegra clock support is updated
* tegra USB PHY probing gets implemented diffently
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Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC-specific updates from Arnd Bergmann:
"This is a larger set of new functionality for the existing SoC
families, including:
- vt8500 gains support for new CPU cores, notably the Cortex-A9 based
wm8850
- prima2 gains support for the "marco" SoC family, its SMP based
cousin
- tegra gains support for the new Tegra4 (Tegra114) family
- socfpga now supports a newer version of the hardware including SMP
- i.mx31 and bcm2835 are now using DT probing for their clocks
- lots of updates for sh-mobile
- OMAP updates for clocks, power management and USB
- i.mx6q and tegra now support cpuidle
- kirkwood now supports PCIe hot plugging
- tegra clock support is updated
- tegra USB PHY probing gets implemented diffently"
* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (148 commits)
ARM: prima2: remove duplicate v7_invalidate_l1
ARM: shmobile: r8a7779: Correct TMU clock support again
ARM: prima2: fix __init section for cpu hotplug
ARM: OMAP: Consolidate OMAP USB-HS platform data (part 3/3)
ARM: OMAP: Consolidate OMAP USB-HS platform data (part 1/3)
arm: socfpga: Add SMP support for actual socfpga harware
arm: Add v7_invalidate_l1 to cache-v7.S
arm: socfpga: Add entries to enable make dtbs socfpga
arm: socfpga: Add new device tree source for actual socfpga HW
ARM: tegra: sort Kconfig selects for Tegra114
ARM: tegra: enable ARCH_REQUIRE_GPIOLIB for Tegra114
ARM: tegra: Fix build error w/ ARCH_TEGRA_114_SOC w/o ARCH_TEGRA_3x_SOC
ARM: tegra: Fix build error for gic update
ARM: tegra: remove empty tegra_smp_init_cpus()
ARM: shmobile: Register ARM architected timer
ARM: MARCO: fix the build issue due to gic-vic-to-irqchip move
ARM: shmobile: r8a7779: Correct TMU clock support
ARM: mxs_defconfig: Select CONFIG_DEVTMPFS_MOUNT
ARM: mxs: decrease mxs_clockevent_device.min_delta_ns to 2 clock cycles
ARM: mxs: use apbx bus clock to drive the timers on timrotv2
...
Converting more ARM platforms to multiplatform support. This time, OMAP
gets converted, which is a major step since this is by far the largest
platform in terms of code size. The same thing happens to the vt8500
platform.
Conflicts include:
* Two mach/uncompress.h files are removed, the changes made to them
elsewhere can be discarded now.
* Moving the OMAP4 irq_match array has context clashes with turning
omap4_sar_ram_init into an omap_early_initcall()
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Merge tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC multiplatform support from Arnd Bergmann:
"Converting more ARM platforms to multiplatform support. This time,
OMAP gets converted, which is a major step since this is by far the
largest platform in terms of code size. The same thing happens to the
vt8500 platform."
* tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
net: cwdavinci_cpdma: export symbols for cpsw
remoteproc: omap: depend on OMAP_MBOX_FWK
[media] davinci: do not include mach/hardware.h
ARM: OMAP2+: Make sure files with omap initcalls include soc.h
ARM: OMAP2+: Include soc.h to drm.c to fix compiling
ARM: OMAP2+: Fix warning for hwspinlock omap_postcore_initcall
ARM: multi_v7_defconfig: add ARCH_ZYNQ
ARM: multi_v7_defconfig: remove unnecessary CONFIG_GPIOLIB
arm: vt8500: Remove remaining mach includes
arm: vt8500: Convert debug-macro.S to be multiplatform friendly
arm: vt8500: Remove single platform Kconfig options
ARM: OMAP2+: Remove now obsolete uncompress.h and debug-macro.S
ARM: OMAP2+: Add minimal support for booting vexpress
ARM: OMAP2+: Enable ARCH_MULTIPLATFORM support
ARM: OMAP2+: Disable code that currently does not work with multiplaform
ARM: OMAP2+: Add multiplatform debug_ll support
ARM: OMAP: Fix dmaengine init for multiplatform
ARM: OMAP: Fix i2c cmdline initcall for multiplatform
ARM: OMAP2+: Use omap initcalls
ARM: OMAP2+: Limit omap initcalls to omap only on multiplatform kernels
A large number of cleanups, all over the platforms. This is dominated
largely by the Samsung platforms (s3c, s5p, exynos) and a few of the
others moving code out of arch/arm into more appropriate subsystems.
The clocksource and irqchip drivers are now abstracted to the point
where platforms that are already cleaned up do not need to even specify
the driver they use, it can all get configured from the device tree
as we do for normal device drivers. The clocksource changes basically
touch every single platform in the process.
We further clean up the use of platform specific header files here,
with the goal of turning more of the platforms over to being
"multiplatform" enabled, which implies that they cannot expose
their headers to architecture independent code any more.
It is expected that no functional changes are part of the cleanup.
The overall reduction in total code lines is mostly the result of
removing broken and obsolete code.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Arnd Bergmann:
"A large number of cleanups, all over the platforms. This is dominated
largely by the Samsung platforms (s3c, s5p, exynos) and a few of the
others moving code out of arch/arm into more appropriate subsystems.
The clocksource and irqchip drivers are now abstracted to the point
where platforms that are already cleaned up do not need to even
specify the driver they use, it can all get configured from the device
tree as we do for normal device drivers. The clocksource changes
basically touch every single platform in the process.
We further clean up the use of platform specific header files here,
with the goal of turning more of the platforms over to being
"multiplatform" enabled, which implies that they cannot expose their
headers to architecture independent code any more.
It is expected that no functional changes are part of the cleanup.
The overall reduction in total code lines is mostly the result of
removing broken and obsolete code."
* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (133 commits)
ARM: mvebu: correct gated clock documentation
ARM: kirkwood: add missing include for nsa310
ARM: exynos: move exynos4210-combiner to drivers/irqchip
mfd: db8500-prcmu: update resource passing
drivers/db8500-cpufreq: delete dangling include
ARM: at91: remove NEOCORE 926 board
sunxi: Cleanup the reset code and add meaningful registers defines
ARM: S3C24XX: header mach/regs-mem.h local
ARM: S3C24XX: header mach/regs-power.h local
ARM: S3C24XX: header mach/regs-s3c2412-mem.h local
ARM: S3C24XX: Remove plat-s3c24xx directory in arch/arm/
ARM: S3C24XX: transform s3c2443 subirqs into new structure
ARM: S3C24XX: modify s3c2443 irq init to initialize all irqs
ARM: S3C24XX: move s3c2443 irq code to irq.c
ARM: S3C24XX: transform s3c2416 irqs into new structure
ARM: S3C24XX: modify s3c2416 irq init to initialize all irqs
ARM: S3C24XX: move s3c2416 irq init to common irq code
ARM: S3C24XX: Modify s3c_irq_wake to use the hwirq property
ARM: S3C24XX: Move irq syscore-ops to irq-pm
clocksource: always define CLOCKSOURCE_OF_DECLARE
...
- Sort out imx DEBUG_LL uart port selection
- A couple of imx_v6_v7_defconfig updates
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Merge tag 'imx-soc-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc
From Shawn Guo:
imx soc changes for 3.9
- Sort out imx DEBUG_LL uart port selection
- A couple of imx_v6_v7_defconfig updates
* tag 'imx-soc-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: imx_v6_v7_defconfig: enable anatop regulator and snvs rtc
ARM: imx: support DEBUG_LL uart port selection for all i.MX SoCs
ARM: imx: use separated debug uart symbol for imx31 and imx35
ARM: imx_v6_v7_defconfig: Select IPUV3 driver
- It's based on imx-cleanup-3.9 to avoid conflicts.
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Merge tag 'imx6q-cpudile-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc
From Shawn Guo:
imx6q cpuidle support for 3.9
- It's based on imx-cleanup-3.9 to avoid conflicts.
* tag 'imx6q-cpudile-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: imx6q: support WAIT mode using cpuidle
ARM: imx: move imx6q_cpuidle_driver into a separate file
ARM: imx: mask gpc interrupts initially
ARM: imx: return zero in case next event gets a large increment
ARM: imx: Remove mx508 support
ARM: imx: Remove mach-mx51_3ds board
ARM: imx: use debug_ll_io_init() for imx6q
ARM: imx: remove unused imx6q_clock_map_io()
ARM: mach-imx: Kconfig: Do not select Babbage for MACH_IMX51_DT
Signed-off-by: Olof Johansson <olof@lixom.net>
Still, two delete/change conflicts caused by imx/cleanup:
arch/arm/mach-imx/mach-mx50_rdp.c
arch/arm/mach-imx/mach-mx51_3ds.c
Extend imx6q DEBUG_LL uart port selection support to cover all i.MX
SoCs. The 'range' of the Kconfig option gets dropped, as users
looking at the option must know the uart number on his board. The
bottom line is that the build system will report an error if an
invalid port number is picked for given SoC.
The header arch/arm/include/debug/imx-uart.h is created to accommodate
all the uart base addresses. And the header will also be used for
other low-level debug facility later.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
It's improper to use combined symbol DEBUG_IMX31_IMX35_UART for
imx31 and imx35, because imx31 has 5 UARTs while imx35 only has 3.
So later when we add UART port selection for DEBUG_IMX31_IMX35_UART,
we will have problem.
Use separated Kconfig options for imx31 and imx35 debug uart selection.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Only mx508 based board is mach-mx50_rdp and it has been marked as BROKEN
for several releases.
mx508 currently lacks clock support.
In case someone needs to add mx508 support back, then the recommended approach
is to use device tree.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
From Barry Song, this adds support for a new SoC from CSR; marco. It's
SMP, uses GIC instead of VIC and in general needs a bit of rework of
the platform code for setup, which this branch contains.
* 'marco-timer-cleanup-rebase' of git://gitorious.org/sirfprima2-kernel/sirfprima2-kernel:
ARM: PRIMA2: provide two DEBUG_LL ports for prima2 and marco
ARM: PRIMA2: add new SiRFmarco SMP SoC infrastructures
ARM: PRIMA2: irq: make prima2 irq can work even we enable GIC for Marco
ARM: PRIMA2: rtciobg: it is also compatible with marco
ARM: PRIMA2: rstc: enable the support for Marco
ARM: PRIMA2: mv timer to timer-prima2 as we will add timer-marco
ARM: PRIMA2: initialize l2x0 according to mach from DT
ARM: PRIMA2: enable AUTO_ZRELADDR for SIRF in Kconfig
ARM: PRIMA2: add CSR SiRFmarco device tree .dts
Signed-off-by: Olof Johansson <olof@lixom.net>
prima2 and marco has different memory base, the old code will
fail if we enable DEBUG_LL in marco.
this patch adds two debuf port, while debugging, we select one
of PRIMA2 and MARCO debug ports, in the products, we disable
DEBUG_LL.
Signed-off-by: Barry Song <Baohua.Song@csr.com>
The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.
CC: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'vt8500-multiplatform-3.9' of git://server.prisktech.co.nz/git/linuxwmt into next/multiplatform
From Tony Prisk:
Convert arch-vt8500 to multiplatform only.
* tag 'vt8500-multiplatform-3.9' of git://server.prisktech.co.nz/git/linuxwmt:
arm: vt8500: Remove remaining mach includes
arm: vt8500: Convert debug-macro.S to be multiplatform friendly
arm: vt8500: Remove single platform Kconfig options
Signed-off-by: Olof Johansson <olof@lixom.net>
This patch moves debug-macro.S from arm/mach-vt8500/include/mach to
arm/include/debug/vt8500.S to provide multiplatform support.
Minor style changes in code for readability.
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Add multiplatform debug_ll support by stripping away
the custom hacks to detect the port from debug-macro.S.
Note that this now requires the specific debug_ll port to
be selected in the .config.
The old debug-macro.S will be removed a bit later
once we are sure things work properly with multiplatform
enabled.
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Here are more patches in the progression towards multiplatform, sparse
irq conversions in particular.
Tegra has a handful of cleanups and general groundwork, but is
not quite there yet on full enablement.
Platforms that are enabled through this branch are VT8500 and Zynq. note
that i.MX was converted in one of the earlier cleanup branches as
well (before we started a separate topic for multiplatform). And both
new platforms for this merge window, sunxi and bcm, were merged with
multiplatform support enabled.
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Merge tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC multiplatform conversion patches from Olof Johansson:
"Here are more patches in the progression towards multiplatform, sparse
irq conversions in particular.
Tegra has a handful of cleanups and general groundwork, but is not
quite there yet on full enablement.
Platforms that are enabled through this branch are VT8500 and Zynq.
Note that i.MX was converted in one of the earlier cleanup branches as
well (before we started a separate topic for multiplatform). And both
new platforms for this merge window, sunxi and bcm, were merged with
multiplatform support enabled."
Fix up conflicts mostly as per Olof.
* tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
ARM: zynq: Remove all unused mach headers
ARM: zynq: add support for ARCH_MULTIPLATFORM
ARM: zynq: make use of debug_ll_io_init()
ARM: zynq: remove TTC early mapping
ARM: tegra: move debug-macro.S to include/debug
ARM: tegra: don't include iomap.h from debug-macro.S
ARM: tegra: decouple uncompress.h and debug-macro.S
ARM: tegra: simplify DEBUG_LL UART selection options
ARM: tegra: select SPARSE_IRQ
ARM: tegra: enhance timer.c to get IO address from device tree
ARM: tegra: enhance timer.c to get IRQ info from device tree
ARM: timer: fix checkpatch warnings
ARM: tegra: add TWD to device tree
ARM: tegra: define DT bindings for and instantiate RTC
ARM: tegra: define DT bindings for and instantiate timer
clocksource/mtu-nomadik: use apb_pclk
clk: ux500: Register mtu apb_pclocks
ARM: plat-nomadik: convert platforms to SPARSE_IRQ
mfd/db8500-prcmu: use the irq_domain_add_simple()
mfd/ab8500-core: use irq_domain_add_simple()
...
Continued device tree conversion and enablement across a number of
platforms; Kirkwood, tegra, i.MX, Exynos, zynq and a couple of other
smaller series as well.
ux500 has seen continued conversion for platforms. Several platforms have
seen pinctrl-via-devicetree conversions for simpler multiplatform. Tegra
is adding data for new devices/drivers, and Exynos has a bunch of new
bindings and devices added as well.
So, pretty much the same progression in the right direction as the last
few releases.
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC device tree conversions and enablement from Olof Johansson:
"Continued device tree conversion and enablement across a number of
platforms; Kirkwood, tegra, i.MX, Exynos, zynq and a couple of other
smaller series as well.
ux500 has seen continued conversion for platforms. Several platforms
have seen pinctrl-via-devicetree conversions for simpler
multiplatform. Tegra is adding data for new devices/drivers, and
Exynos has a bunch of new bindings and devices added as well.
So, pretty much the same progression in the right direction as the
last few releases."
Fix up conflicts as per Olof.
* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (185 commits)
ARM: ux500: Rename dbx500 cpufreq code to be more generic
ARM: dts: add missing ux500 device trees
ARM: ux500: Stop registering the PCM driver from platform code
ARM: ux500: Move board specific GPIO info out to subordinate DTS files
ARM: ux500: Disable the MMCI gpio-regulator by default
ARM: Kirkwood: remove kirkwood_ehci_init() from new boards
ARM: Kirkwood: Add support LED of OpenBlocks A6
ARM: Kirkwood: Convert to EHCI via DT for OpenBlocks A6
ARM: kirkwood: Add NAND partiton map for OpenBlocks A6
ARM: kirkwood: Add support second I2C bus and RTC on OpenBlocks A6
ARM: kirkwood: Add support DT of second I2C bus
ARM: kirkwood: Convert mplcec4 board to pinctrl
ARM: Kirkwood: Convert km_kirkwood to pinctrl
ARM: Kirkwood: support 98DX412x kirkwoods with pinctrl
ARM: Kirkwood: Convert IX2-200 to pinctrl.
ARM: Kirkwood: Convert lsxl boards to pinctrl.
ARM: Kirkwood: Convert ib62x0 to pinctrl.
ARM: Kirkwood: Convert GoFlex Net to pinctrl.
ARM: Kirkwood: Convert dreamplug to pinctrl.
ARM: Kirkwood: Convert dockstar to pinctrl.
...
From Kukjin Kim:
This is including Samsung small updates(developments) for v3.8.
Add node PL330 MDMA1 and UART3 for DEBUG_LL and secondary cpu bring-up
for exynos4412.
* 'next/devel-samsung-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: dts: add node for PL330 MDMA1 controller for exynos4
ARM: EXYNOS: Add support for secondary CPU bring-up on Exynos4412
ARM: EXYNOS: add UART3 to DEBUG_LL ports
Signed-off-by: Olof Johansson <olof@lixom.net>
Add support for using UART3 for DEBUG_LL on exynos.
[dianders: added depend on ARCH_EXYNOS.]
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
From Michal Simek:
This branch depends on arm-soc devel/debug_ll_init branch because
we needed Rob's "ARM: implement debug_ll_io_init()"
(sha1: afaee03511ba8002b26a9c6b1fe7d6baf33eac86)
patch.
This branch also depends on zynq/dt branch because of previous major
zynq changes.
zynq/cleanup branch is subset of zynq/dt.
* 'zynq/multiplatform' of git://git.monstr.eu/linux-2.6-microblaze:
ARM: zynq: Remove all unused mach headers
ARM: zynq: add support for ARCH_MULTIPLATFORM
ARM: zynq: make use of debug_ll_io_init()
ARM: zynq: remove TTC early mapping
ARM: zynq: add clk binding support to the ttc
ARM: zynq: use zynq clk bindings
clk: Add support for fundamental zynq clks
ARM: zynq: dts: split up device tree
ARM: zynq: Allow UART1 to be used as DEBUG_LL console.
ARM: zynq: dts: add description of the second uart
ARM: zynq: move arm-specific sys_timer out of ttc
zynq: move static peripheral mappings
zynq: remove use of CLKDEV_LOOKUP
zynq: use pl310 device tree bindings
zynq: use GIC device tree bindings
Add/add conflict in arch/arm/Kconfig.debug.
Signed-off-by: Olof Johansson <olof@lixom.net>
From Maxime Ripard:
Here is a pull request to add the support for Allwinner A10 SoCs.
* sunxi/soc2:
ARM: sunxi: Add sunxi restart function via onchip watchdog
ARM: sunxi: Add sun4i and cubieboard support
ARM: sunxi: Add earlyprintk support for UART0 (sun4i)
ARM: sunxi: Restructure sunxi dts/dtsi files
Signed-off-by: Olof Johansson <olof@lixom.net>
Convert low-level debugging routines to make use of debug_ll_io_init().
This is part of the preparation for ARCH_MULTIPLATFORM support for Zynq.
Signed-off-by: Josh Cartwright <josh.cartwright@ni.com>
Tested-by: Michal Simek <michal.simek@xilinx.com>
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Merge tag 'tags/sunxi-support-for-3.8' of git://github.com/mripard/linux into next/soc
From Maxime Ripard:
Allwinner SoC support for 3.8
* tag 'tags/sunxi-support-for-3.8' of git://github.com/mripard/linux:
ARM: sunxi: Add entry to MAINTAINERS
ARM: sunxi: Add device tree for the A13 and the Olinuxino board
ARM: sunxi: Add earlyprintk support
ARM: sunxi: Add basic support for Allwinner A1x SoCs
irqchip: sunxi: Add irq controller driver
clocksource: sunxi: Add Allwinner A1X Timer Driver
clk: sunxi: Add dummy fixed rate clock for Allwinner A1X SoCs
Signed-off-by: Olof Johansson <olof@lixom.net>
Move Tegra's debug-macro.S over to the common debug macro directory.
Move Tegra's debug UART selection menu into ARM's Kconfig.debug, so that
all related options are selected in the same place.
Tegra's uncompress.h is left in mach-tegra/include/mach; it will be
removed whenever Tegra is converted to multi-platform.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
There are also a few imx6 improvement patches in there.
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Merge tag 'imx-dt-3.8' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/dt
From Shawn Guo <shawn.guo@linaro.org>:
It's based on imx/multiplatform branch. Most of them are dts changes.
There are also a few imx6 improvement patches in there.
* tag 'imx-dt-3.8' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: imx6q: select ARM and PL310 errata
ARM: imx6q: print silicon version on boot
ARM i.MX dts: Consistently add labels to devicenodes
ARM: dts: imx6q-sabresd: add volume up/down gpio keys
ARM: dts: imx53: pinctl update
ARM: imx: enable cpufreq for imx6q
ARM: dts: imx6q: enable snvs lp rtc
ARM: dts: imx6q-sabreauto: Add basic support
ARM: imx6q: let users input debug uart port number
ARM: dts: imx53-qsb: Make DA9053 regulator functional
ARM: dts: imx53-qsb: Use pinctrl for gpio-led
ARM i.MX dtsi: Add default bus-width property for esdhc controller
Signed-off-by: Arnd Bregmann <arnd@arndb.de>
From Michal Simek <michal.simek@xilinx.com>:
These are based on previous patches (arm-soc zynq/cleanup branch).
The branch is still based on rc3 but I have also tried to merged it
with the v3.7-rc5 and there is no issue.
* 'arm-next' of git://git.xilinx.com/linux-xlnx:
ARM: zynq: add clk binding support to the ttc
ARM: zynq: use zynq clk bindings
clk: Add support for fundamental zynq clks
ARM: zynq: dts: split up device tree
ARM: zynq: Allow UART1 to be used as DEBUG_LL console.
ARM: zynq: dts: add description of the second uart
ARM: zynq: move arm-specific sys_timer out of ttc
zynq: move static peripheral mappings
zynq: remove use of CLKDEV_LOOKUP
zynq: use pl310 device tree bindings
zynq: use GIC device tree bindings
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
imx6q gets 5 uart ports in total. Different board design may choose
different port as debug uart. For example, imx6q-sabresd uses UART1,
imx6q-sabrelite uses UART2 and imx6q-arm2 uses UART4. Rather than
bloating DEBUG_LL choice list with all these uart ports, the patch
introduces DEBUG_IMX6Q_UART_PORT for users to input uart port number
when DEBUG_IMX6Q_UART is selected inside DEBUG_LL choice.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
The main UART on the Xilinx ZC702 board is UART1, located at address
e0001000. Add a Kconfig option to select this device as the low-level
debugging port. This allows the really early boot printouts to reach
the USB serial adaptor on this board.
For consistency's sake, add a choice entry for UART0 even though it is
the the default if UART1 is not selected.
Signed-off-by: Nick Bowler <nbowler@elliptictech.com>
Tested-by: Josh Cartwright <josh.cartwright@ni.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Move imx debug-macro.S over to common debug macro directory. It
removes the inclusion to hardware.h by hard-coding the physical
address of uart port and copying IMX_IO_P2V from hardware.h.
Since we will need a common solution, which might use a fixed virtual
address for uart port across platforms, we make a copy of IMX_IO_P2V
here as a temporary solution to enable low-level debug for imx
multi-platform build.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
This is a pretty significant branch. It's the introduction of the
first multiplatform support on ARM, and with this (and the later
branch) merged, it is now possible to build one kernel that contains
support for highbank, vexpress, mvebu, socfpga, and picoxcell. More
platforms will be convered over in the next few releases.
Two critical last things had to be done for this to be practical and
possible:
* Today each platform has its own include directory under
mach-<mach>/include/mach/*, and traditionally that is where a lot of
driver/platform shared definitions have gone, such as platform data
structures. They now need to move out to a common location instead,
and this branch moves a large number of those out to
include/linux/platform_data.
* Each platform used to list the device trees to compile for its
boards in mach-<mach>/Makefile.boot.
Both of the above changes will mean that there are some merge
conflicts to come (and some to resolve here). It's a one-time move and
once it settles in, we should be good for quite a while. Sorry for the
overhead.
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Merge tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM soc multiplatform enablement from Olof Johansson:
"This is a pretty significant branch. It's the introduction of the
first multiplatform support on ARM, and with this (and the later
branch) merged, it is now possible to build one kernel that contains
support for highbank, vexpress, mvebu, socfpga, and picoxcell. More
platforms will be convered over in the next few releases.
Two critical last things had to be done for this to be practical and
possible:
* Today each platform has its own include directory under
mach-<mach>/include/mach/*, and traditionally that is where a lot
of driver/platform shared definitions have gone, such as platform
data structures. They now need to move out to a common location
instead, and this branch moves a large number of those out to
include/linux/platform_data.
* Each platform used to list the device trees to compile for its
boards in mach-<mach>/Makefile.boot.
Both of the above changes will mean that there are some merge
conflicts to come (and some to resolve here). It's a one-time move
and once it settles in, we should be good for quite a while. Sorry
for the overhead."
Fix conflicts as per Olof.
* tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (51 commits)
ARM: add v7 multi-platform defconfig
ARM: msm: Move core.h contents into common.h
ARM: highbank: call highbank_pm_init from .init_machine
ARM: dtb: move all dtb targets to common Makefile
ARM: spear: move platform_data definitions
ARM: samsung: move platform_data definitions
ARM: orion: move platform_data definitions
ARM: vexpress: convert to multi-platform
ARM: initial multiplatform support
ARM: mvebu: move armada-370-xp.h in mach dir
ARM: vexpress: remove dependency on mach/* headers
ARM: picoxcell: remove dependency on mach/* headers
ARM: move all dtb targets out of Makefile.boot
ARM: picoxcell: move debug macros to include/debug
ARM: socfpga: move debug macros to include/debug
ARM: mvebu: move debug macros to include/debug
ARM: vexpress: move debug macros to include/debug
ARM: highbank: move debug macros to include/debug
ARM: move debug macros to common location
ARM: make mach/gpio.h headers optional
...
Misc board updates:
- Greg added a handful of boards to KS8695 (since he has stepped up to
maintain it).
- Qualcomm has added DT-only board support for a couple of their newer SoCs.
- misc other updates for Samsung and Freescale boards.
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Merge tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM soc board specific updates from Olof Johansson:
"Misc board updates:
- Greg added a handful of boards to KS8695 (since he has stepped up
to maintain it).
- Qualcomm has added DT-only board support for a couple of their
newer SoCs.
- misc other updates for Samsung and Freescale boards."
Fix up trivial conflict in arch/arm/mach-shmobile/board-armadillo800eva.c
due to gpio device data being added next to hdmi device data that got moved.
* tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: msm: Allow 8960 and 8660 to compile together
ARM: msm: Allow msm_iomap-8x60 and msm_iomap-8960 to coexist
ARM: EXYNOS: Add generic PWM lookup support for SMDKV310
ARM: EXYNOS: Add generic PWM lookup support for SMDK4X12
ARM: EXYNOS: Use generic pwm driver in Origen board
ARM: shmobile: armadillo800eva: Add support RTC
ARM: ks8695: add board support for the OpenGear boards based on the KS8695
ARM: ks8695: add board support for the SnapGear boards based on the KS8695
ARM: dts: Add heartbeat gpio-leds support to Origen
ARM: dts: Use active low flag for gpio-keys on Origen
ARM: shmobile: marzen: enable thermal sensor
ARM: shmobile: marzen: fixup regulator id for smsc911x
ARM: shmobile: marzen: add SDHI0 support
ARM: mmp: enable debug uart port in defconfig
ARM: mmp: implement DEBUG_LL port choice
ARM: S3C64XX: Register audio platform devices for Bells on Cragganmore
ARM: S3C64XX: Update configuration for WM5102 module on Cragganmore
ARM: mx27pdk: Add audio support
ARM: ttc_dkb: add nand support
socfpga, picoxcell, and vexpress.
Multi-platform support is dependent on mach/gpio.h removal and
restructuring of DEBUG_LL and dtb build rules included in this branch.
This has been built for all defconfigs, and booted on highbank with
all 5 platforms enabled.
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Merge tag 'multi-platform-for-3.7' of git://sources.calxeda.com/kernel/linux into next/multiplatform
Enable initial ARM multi-platform support for highbank, mvebu,
socfpga, picoxcell, and vexpress.
Multi-platform support is dependent on mach/gpio.h removal and
restructuring of DEBUG_LL and dtb build rules included in this branch.
This has been built for all defconfigs, and booted on highbank with
all 5 platforms enabled.
By Rob Herring (18) and Arnd Bergmann (1)
via Rob Herring
* tag 'multi-platform-for-3.7' of git://sources.calxeda.com/kernel/linux:
ARM: vexpress: convert to multi-platform
ARM: initial multiplatform support
ARM: mvebu: move armada-370-xp.h in mach dir
ARM: vexpress: remove dependency on mach/* headers
ARM: picoxcell: remove dependency on mach/* headers
ARM: move all dtb targets out of Makefile.boot
ARM: picoxcell: move debug macros to include/debug
ARM: socfpga: move debug macros to include/debug
ARM: mvebu: move debug macros to include/debug
ARM: vexpress: move debug macros to include/debug
ARM: highbank: move debug macros to include/debug
ARM: move debug macros to common location
ARM: make mach/gpio.h headers optional
ARM: orion: move custom gpio functions to orion-gpio.h
ARM: shmobile: move custom gpio functions to sh-gpio.h
ARM: pxa: use gpio_to_irq for sharppm_sl
net: pxaficp_ir: add irq resources
usb: pxa27x_udc: remove IRQ_USB define
staging: ste_rmi4: remove gpio.h include
Conflicts due to addition of bcm2835 and removal of pnx4008 in:
arch/arm/Kconfig
arch/arm/Makefile
Conflicts due to new dtb targets, moved to arch/arm/boot/dts/Makefile in:
arch/arm/mach-imx/Makefile.boot
arch/arm/mach-mxs/Makefile.boot
arch/arm/mach-tegra/Makefile.boot
Signed-off-by: Olof Johansson <olof@lixom.net>
This lets us build a multiplatform kernel for experimental purposes.
However, it will not be useful for any real work, because it relies
on a number of useful things to be disabled for now:
* SMP support must be turned off because of conflicting symbols.
Marc Zyngier has proposed a solution by adding a new SOC
operations structure to hold indirect function pointers
for these, but that work is currently stalled
* We turn on SPARSE_IRQ unconditionally, which is not supported
on most platforms. Each of them is currently in a different
state, but most are being worked on.
* A common clock framework is in place since v3.4 but not yet
being used. Work on this is on its way.
* DEBUG_LL for early debugging is currently disabled.
* THUMB2_KERNEL does not work with allyesconfig because the
kernel gets too big
[Rob Herring]: Rebased to not be dependent on the mass mach header rename.
As a result, omap2plus, imx, mxs and ux500 are not converted. Highbank,
picoxcell, mvebu, and socfpga are converted.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Cc: Dinh Nguyen <dinguyen@altera.com>
Move picoxcell debug-macro.S over to common debug macro directory.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Jamie Iles <jamie@jamieiles.com>
Move socfpga debug-macro.S over to common debug macro directory.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Dinh Nguyen <dinguyen@altera.com>
Move mvebu debug-macro.S over to common debug macro directory.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Move vexpress debug-macro.S over to common debug macro directory.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Move highbank debug-macro.S over to common debug macro directory.
Also, remove v7 specific movw/movt instructions so this can compile under
v6 mode.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Based on suggestion by Russell King, create a common location for debug
macros and select the included debug macro file using config option.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
It seems we were missing some text in the title for the
semihosting DEBUG_LL option. Add in the "/O" and fix up some
minor typos in the help text.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
DEBUG_LL port must be choiced in arch-mmp. DEBUG_LL port should be
UART2 in TTC DKB. And it should be UART3 in brownstone.
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Pull ARM updates from Russell King:
"First ARM push of this merge window, post me coming back from holiday.
This is what has been in linux-next for the last few weeks. Not much
to say which isn't described by the commit summaries."
* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (32 commits)
ARM: 7463/1: topology: Update cpu_power according to DT information
ARM: 7462/1: topology: factorize the update of sibling masks
ARM: 7461/1: topology: Add arch_scale_freq_power function
ARM: 7456/1: ptrace: provide separate functions for tracing syscall {entry,exit}
ARM: 7455/1: audit: move syscall auditing until after ptrace SIGTRAP handling
ARM: 7454/1: entry: don't bother with syscall tracing on ret_from_fork path
ARM: 7453/1: audit: only allow syscall auditing for pure EABI userspace
ARM: 7452/1: delay: allow timer-based delay implementation to be selected
ARM: 7451/1: arch timer: implement read_current_timer and get_cycles
ARM: 7450/1: dcache: select DCACHE_WORD_ACCESS for little-endian ARMv6+ CPUs
ARM: 7449/1: use generic strnlen_user and strncpy_from_user functions
ARM: 7448/1: perf: remove arm_perf_pmu_ids global enumeration
ARM: 7447/1: rwlocks: remove unused branch labels from trylock routines
ARM: 7446/1: spinlock: use ticket algorithm for ARMv6+ locking implementation
ARM: 7445/1: mm: update CONTEXTIDR register to contain PID of current process
ARM: 7444/1: kernel: add arch-timer C3STOP feature
ARM: 7460/1: remove asm/locks.h
ARM: 7439/1: head.S: simplify initial page table mapping
ARM: 7437/1: zImage: Allow DTB command line concatenation with ATAG_CMDLINE
ARM: 7436/1: Do not map the vectors page as write-through on UP systems
...
Versatile Express platform can be used in different configurations,
the console UART used by early printk may be located at different
addresses in the address space.
This patch makes it possible to select the base address of a PL011
UART to be used as a console output in the kernel configuration.
The default behaviour is still the heuristic detecting memory map
on Cortex-A core tiles.
The zImage decompressor will use the same configuration values
or print out nothing if DEBUG_LL is not enabled.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
This patch introduces a new Kconfig option which, when enabled, causes
the kernel to write the PID of the current task into the PROCID field
of the CONTEXTIDR on context switch. This is useful when analysing
hardware trace, since writes to this register can be configured to emit
an event into the trace stream.
The thread notifier for writing the PID is deliberately kept separate
from the ASID-writing code so that we can support newer processors using
LPAE, where the ASID is stored in TTBR0. As such, the switch_mm code is
updated to perform a read-modify-write sequence to ensure that we don't
clobber the PID on CPUs using the classic 2-level page tables.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
These continue the device tree work from part 1, this set is for the
tegra, mxs and imx platforms, all of which have dependencies on clock
or pinctrl changes submitted earlier.
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Merge tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc device tree conversions (part 2) from Olof Johansson:
"These continue the device tree work from part 1, this set is for the
tegra, mxs and imx platforms, all of which have dependencies on clock
or pinctrl changes submitted earlier."
Fix up trivial conflicts due to nearby changes in
drivers/{gpio/gpio,i2c/busses/i2c}-mxs.c
* tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (73 commits)
ARM: dt: tegra: invert status=disable vs status=okay
ARM: dt: tegra: consistent basic property ordering
ARM: dt: tegra: sort nodes based on bus order
ARM: dt: tegra: remove duplicate device_type property
ARM: dt: tegra: consistenly use lower-case for hex constants
ARM: dt: tegra: format regs properties consistently
ARM: dt: tegra: gpio comment cleanup
ARM: dt: tegra: remove unnecessary unit addresses
ARM: dt: tegra: whitespace cleanup
ARM: dt: tegra cardhu: fix typo in SDHCI node name
ARM: dt: tegra: cardhu: register core regulator tps62361
ARM: dt: tegra30.dtsi: Add SMMU node
ARM: dt: tegra20.dtsi: Add GART node
ARM: dt: tegra30.dtsi: Add Memory Controller(MC) nodes
ARM: dt: tegra20.dtsi: Add Memory Controller(MC) nodes
ARM: dt: tegra: Add device tree support for AHB
ARM: dts: enable audio support for imx28-evk
ARM: dts: enable i2c device for imx28-evk
i2c: mxs: add device tree probe support
ARM: dts: enable mmc for imx28-evk
...
To be able to enable early debugging on boards using the UART2 for the
console, add the option for early debugging on UART2.
Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Apart from the necessity to do this change for multi-platform kernels
the previous logic depended on the zImage decompressor to write the
physical and virtual address to a magic memory location.
If the decompressor is unused or not correctly configured for the
current machid, the addruart macro was an infinite loop. Moreover
debugging the early zImage code was not possible either.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
[nsekhar@ti.com: add braces in _DEBUG_LL_ENTRY() macro to fix checkpatch
error. Fix debug port choice config dependency for traditional DaVincis.
Modify debug port config names and add help text.]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Pull more ARM updates from Russell King.
This got a fair number of conflicts with the <asm/system.h> split, but
also with some other sparse-irq and header file include cleanups. They
all looked pretty trivial, though.
* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (59 commits)
ARM: fix Kconfig warning for HAVE_BPF_JIT
ARM: 7361/1: provide XIP_VIRT_ADDR for no-MMU builds
ARM: 7349/1: integrator: convert to sparse irqs
ARM: 7259/3: net: JIT compiler for packet filters
ARM: 7334/1: add jump label support
ARM: 7333/2: jump label: detect %c support for ARM
ARM: 7338/1: add support for early console output via semihosting
ARM: use set_current_blocked() and block_sigmask()
ARM: exec: remove redundant set_fs(USER_DS)
ARM: 7332/1: extract out code patch function from kprobes
ARM: 7331/1: extract out insn generation code from ftrace
ARM: 7330/1: ftrace: use canonical Thumb-2 wide instruction format
ARM: 7351/1: ftrace: remove useless memory checks
ARM: 7316/1: kexec: EOI active and mask all interrupts in kexec crash path
ARM: Versatile Express: add NO_IOPORT
ARM: get rid of asm/irq.h in asm/prom.h
ARM: 7319/1: Print debug info for SIGBUS in user faults
ARM: 7318/1: gic: refactor irq_start assignment
ARM: 7317/1: irq: avoid NULL check in for_each_irq_desc loop
ARM: 7315/1: perf: add support for the Cortex-A7 PMU
...
This is a very simple method for code running in an emulator, or under
the supervision of a debugger, to use I/O facilities on the controlling
host.
Tested with OpenOCD, and ARM's Fast Models.
Details on semihosting can be found in chapter 8 of
DUI0203I_rvct_developer_guide.pdf from ARM Ltd.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* 'imx/driver' of git://git.linaro.org/people/shawnguo/linux-2.6: (3 commits)
ARM: imx6q: add cko1 clock
ARM: mxc: make imx_dma_is_general_purpose more generic for sdma
ARM: imx6: Rename DEBUG_IMX6Q_UART to UART4
Different boards may use differenct UART ports for debugging.
To be able to add different debug UART configurations (e.g. UART2),
rename the existing general DEBUG_IMX6Q_UART to DEBUG_IMX6Q_UART4.
Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Following removal announce and addition to feature-removal-schedule.txt,
here is the actual source code deletion for Atmel CAP9 family.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Arrange the Kconfig options in rough alphabetical order, and place the
default 'none' and 'icedcc' options at the end. This prefers the
platform specific debug option rather than the 'none' option, which is
what we actually want.
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
we will select now the DBGU used by the soc at Kconfig level
For the DEBUG_LL and early_printk this will allow to select which DBGU to use
this will also allow to select them when multiple SOC are enabled
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Add support for DEBUG_LL on the 8660 and 8960 development boards.
While we're here cleanup the uncompress.h code a bit. Avoid
the use of readl/writel as those are Linux specific APIs that
aren't guaranteed to work in the decompressor.
Cc: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
Now that DEBUG_LL is a choice we can move MSM's homegrown choice
menu to DEBUG_LL.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
* 'next/soc' of git://git.linaro.org/people/arnd/arm-soc: (21 commits)
MAINTAINERS: add ARM/FREESCALE IMX6 entry
arm/imx: merge i.MX3 and i.MX6
arm/imx6q: add suspend/resume support
arm/imx6q: add device tree machine support
arm/imx6q: add smp and cpu hotplug support
arm/imx6q: add core drivers clock, gpc, mmdc and src
arm/imx: add gic_handle_irq function
arm/imx6q: add core definitions and low-level debug uart
arm/imx6q: add device tree source
ARM: highbank: add suspend support
ARM: highbank: Add cpu hotplug support
ARM: highbank: add SMP support
MAINTAINERS: add Calxeda Highbank ARM platform
ARM: add Highbank core platform support
ARM: highbank: add devicetree source
ARM: l2x0: add empty l2x0_of_init
picoxcell: add a definition of VMALLOC_END
picoxcell: remove custom ioremap implementation
picoxcell: add the DTS for the PC7302 board
picoxcell: add the DTS for pc3x2 and pc3x3 devices
...
Fix up trivial conflicts in arch/arm/Kconfig, and some more header file
conflicts in arch/arm/mach-omap2/board-generic.c (as per an ealier merge
by Arnd).
* 'next/cross-platform' of git://git.linaro.org/people/arnd/arm-soc:
arm/imx: use Kconfig choice for low-level debug UART selection
ARM: realview: use Kconfig choice for debug UART selection
ARM: plat-samsung: use Kconfig choice for debug UART selection
ARM: versatile: convert logical CPU numbers to physical numbers
ARM: ux500: convert logical CPU numbers to physical numbers
ARM: shmobile: convert logical CPU numbers to physical numbers
ARM: msm: convert logical CPU numbers to physical numbers
ARM: exynos4: convert logical CPU numbers to physical numbers
Fix up trivial conflict (config DEBUG_S3C_UART move/split vs addition of
ARM_KPROBES_TEST option) in arch/arm/Kconfig.debug
This adds basic support for the Calxeda Highbank platform.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Reviewed-by: Jamie Iles <jamie@jamieiles.com>
Reviewed-by: Shawn Guo <shawn.guo@linaro.org>
Now that the DEBUG_LL UART can be selected by a Kconfig choice,
simplify the #ifdefery in debug-macro.S and add entries to the
top-level Kconfig.debug instead.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Now that the DEBUG_LL UART can be selected by a Kconfig choice, simplify
the #ifdefery in debug-macro.S and add entries to the top-level
Kconfig.debug instead.
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Now that the DEBUG_LL UART can be selected by a Kconfig choice, convert
the Samsung UART selection to use a set of bools rather than an int.
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Defaulting to DEBUG_ICEDCC will cause systems to hang during boot unless
a hardware debugger is listening to the debug comms. channel.
This patch adds a dummy UART option as the default DEBUG_LL choice which
requires the platform to do the right thing.
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Tested-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
DEBUG_ICEDCC support is just another DEBUG_LL choice and
selecting it along with other DEBUG_LL options doesn't make
much sense. Put it into the DEBUG_LL choice to avoid confusion.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
ARM patch 7072/1 (debug: use kconfig choice for selecting
DEBUG_LL UART) didn't notice that the Kconfigs relied on being
unselected to configure a different serial port. Since there is
no NONE option in a choice menu, explicitly add the other option
so that both serial ports can be selected.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Enabled DEBUG_LL hardcodes the UART address into the kernel and results
in a non-portable kernel image. Since this option is only intended for
use when debugging early boot failures, supporting multiple platforms
in such a configuration is not the intended use-case.
This patch documents this limitation in the DEBUG_LL Kconfig help text,
so that users are aware of the portability restrictions that are associated
with enabling low-level debugging support.
Reported-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Enabling CONFIG_DEBUG_LL (which is required for earlyprintk) hardwires
the debug UART address into the kernel, so that we can print before the
platform is initialised.
If the user inadvertently selects multiple platforms with DEBUG_LL
enabled, the UART address may not be correct and will likely cause the
kernel to hang in the very early stages of boot.
This patch, based on a skeleton from Russell, uses a Kconfig choice for
selecting the DEBUG_LL UART, therefore allowing the user to make a
choice about the supported platform when DEBUG_LL is enabled.
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The CONFIG_ARM_AMBA symbol is selected by the platforms that support
AMBA, and the other platforms (e.g. orion) might not be able to
build that code at all when they do not support the clk API.
Instead, make sure that OC_ETM is only built on platforms that
do support the amba subsystem already.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Most arches define CONFIG_DEBUG_STACK_USAGE exactly the same way. Move it
to lib/Kconfig.debug so each arch doesn't have to define it. This
obviously makes the option generic, but that's fine because the config is
already used in generic code.
It's not obvious to me that sysrq-P actually does anything caution by
keeping the most inclusive wording.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Richard Weinberger <richard@nod.at>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Mackerras <paulus@samba.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This config option isn't actually used anywhere and can be safely
removed. The last user was traps.c before commit 082f47a ([ARM]
always allow dump_stack() to produce a backtrace, 2007-07-05).
Reviewed-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
It is kernel-wide policy that options depending on EXPERIMENTAL should
also have '(EXPERIMENTAL)' in their option text, and options with
'(EXPERIMENTAL)' depend on EXPERIMENTAL.
Ensure that all ARM options comply with this.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Add the options to enable the function graph tracer on ARM. Function
graph tracer support requires frame pointers, so exclude Thumb-2 and
also make sure FRAME_POINTER gets enabled when FUNCTION_GRAPH_TRACER is
used, since FUNCTION_TRACER doesn't "select FRAME_POINTER" when
ARM_UNWIND is used. Therefore, with GCC 4.4.0+, you get plain function
tracing without frame pointers, but you'll need them if you want
function graph tracing.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Rabin Vincent <rabin@rab.in>
There are very few legitimate use cases, if any, for directly accessing
system RAM through /dev/mem. So let's mimic what they do on x86 and
forbid it when CONFIG_STRICT_DEVMEM is turned on.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
With a new enough GCC, ARM function tracing can be supported without the
need for frame pointers. This is essential for Thumb-2 support, since
frame pointers aren't available then.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Move the Kconfig entries from plat-s3c to plat-samsung and plat-s3c24xx
as necessary. The S3C_BOOT entries and the DMA configuration can go to
plat-samsung. The low-level UART configurations are currently S3C2XX
specific and can go to plat-s3c24xx.
Eliminating plat-s3c from the build process will be submitted seperately.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
