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2013-09-07Merge tag 'cleanup-for-linus' of ↵Linus Torvalds1-2/+7
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header ARM: SAMSUNG: Remove pwm-clock infrastructure ARM: SAMSUNG: Remove old PWM timer platform devices pwm: Remove superseded pwm-samsung-legacy driver ARM: SAMSUNG: Modify board files to use new PWM platform device ARM: SAMSUNG: Rework private data handling in dev-backlight pwm: Add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 ...
2013-09-02ARM: 7826/1: debug: support debug ll on hisilicon socHaojian Zhuang1-0/+19
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>
2013-09-02ARM: 7827/1: highbank: fix debug uart virtual address for LPAERob Herring1-1/+1
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>
2013-08-25ARM: 7806/1: allow DEBUG_UNCOMPRESS for TegraStephen Warren1-1/+1
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>
2013-08-25ARM: debug: move SPEAr debug to generic PL01x codeRussell King1-0/+7
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>
2013-08-25ARM: debug: move davinci debug to generic 8250 codeRussell King1-1/+15
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>
2013-08-25ARM: debug: move keystone debug to generic 8250 codeRussell King1-3/+8
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>
2013-08-25ARM: debug: remove DEBUG_ROCKCHIP_UARTRussell King1-11/+0
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-08-25ARM: debug: provide generic option choices for 8250 and PL01x portsRussell King1-7/+37
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>
2013-08-25ARM: debug: move PL01X debug include into arch/arm/include/debug/Russell King1-10/+2
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>
2013-08-25ARM: debug: provide PL01x debug uart phys/virt address configuration optionsRussell King1-4/+50
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>
2013-08-25ARM: debug: add support for word accesses to debug/8250.SRussell King1-2/+12
Add 32-bit word access support to debug/8250.S and convert Picoxcell and SoCFPGA to this. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-08-25ARM: debug: move 8250 debug include into arch/arm/include/debug/Russell King1-8/+2
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>
2013-08-25ARM: debug: provide 8250 debug uart phys/virt address configuration optionsRussell King1-0/+59
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>
2013-08-25ARM: debug: provide 8250 debug uart register shift configuration optionRussell King1-2/+26
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>
2013-08-25ARM: debug: provide 8250 debug uart flow control configuration optionRussell King1-0/+9
Move the definition out of the machine class debug-macro.S header into the Kconfig files. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-08-25ARM: debug: clean up low level kernel debugging selectionRussell King1-137/+191
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>
2013-08-25ARM: debug: fix wording error in DEBUG_LL_UART_NONE option helpRussell King1-1/+1
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>
2013-08-14Merge tag 'v3.12-pwm-cleanup-for-olof' of git://github.com/tom3q/linux into ↵Olof Johansson1-2/+12
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>
2013-08-06ARM: msm: Move debug-macro.S to include/debugStephen Boyd1-2/+7
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>
2013-07-22ARM: document DEBUG_UNCOMPRESS Kconfig optionRussell King1-2/+12
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>
2013-07-12Merge tag 'omap-for-v3.11/fixes-for-merge-window' of ↵Olof Johansson1-1/+9
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.
2013-07-06ARM: sti: move DEBUG_STI_UART into alphabetical orderArnd Bergmann1-10/+10
This was accidentally added in the wrong place, messing up the ordering of the file. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-07-03Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-armLinus Torvalds1-1/+9
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 ...
2013-07-03Merge tag 'late-for-linus' of ↵Linus Torvalds1-0/+51
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 ...
2013-06-26Merge branch 'sti/soc' into next/lateOlof Johansson1-0/+35
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>
2013-06-26ARM: sti: Add DEBUG_LL console supportSrinivas Kandagatla1-0/+35
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>
2013-06-21arm: Add Initial TI-Nspire supportDaniel Tang1-0/+16
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>
2013-06-21Merge tag 'v3.11-rockchip-basics' of ↵Arnd Bergmann1-0/+34
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>
2013-06-21arm: add debug uarts for rockchip rk29xx and rk3xxx seriesHeiko Stuebner1-0/+34
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>
2013-06-20Merge tag 'imx-soc-3.11' of git://git.linaro.org/people/shawnguo/linux-2.6 ↵Arnd Bergmann1-2/+11
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>
2013-06-20Merge tag 'u300-multiplatform' of ↵Arnd Bergmann1-0/+8
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>
2013-06-18Merge tag 'keystone-soc-for-arm-soc' of ↵Olof Johansson1-0/+16
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>
2013-06-18ARM: keystone: Add minimal TI Keystone platform supportSantosh Shilimkar1-0/+16
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>
2013-06-17ARM: u300: move debugmacro to debug includesLinus Walleij1-0/+8
This moves the U300 debug macro to the debug headers to make way for multiplatform support. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2013-06-17ARM: imx: enable low-level debug support for imx6slShawn Guo1-2/+11
Enable low-level debug support for i.MX6 SoloLite by adding the debug port definitions for the SoC. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-06-13arm: mvebu: add another earlyprintk Kconfig optionThomas Petazzoni1-2/+28
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>
2013-06-07ARM: vexpress: Add Cortex-R Series UART, selectable via DEBUG_LLJonathan Austin1-1/+9
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>
2013-05-07Merge tag 'soc-for-linus-3' of ↵Linus Torvalds1-2/+2
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 ...
2013-05-04Merge tag 'boards-for-linus' of ↵Linus Torvalds1-3/+12
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 ...
2013-05-03Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-armLinus Torvalds1-0/+11
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() ...
2013-05-03Merge branches 'devel-stable', 'entry', 'fixes', 'mach-types', 'misc' and ↵Russell King1-0/+12
'smp-hotplug' into for-linus
2013-04-19Merge branch 'samsung/exynos-multiplatform' into next/multiplatformArnd Bergmann1-0/+8
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>
2013-04-19ARM: exynos: move debug-macro.S to include/debug/Arnd Bergmann1-0/+8
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>
2013-04-12ARM: imx: add initial imx6dl supportShawn Guo1-2/+2
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>
2013-04-11ARM: pxa: move debug uart codeHaojian Zhuang1-0/+9
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>
2013-04-09Merge tag 'mxs-multiplatform-3.10' of ↵Arnd Bergmann1-0/+1
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>
2013-04-09Merge branch 'mxs/cleanup' into next/multiplatformArnd Bergmann1-0/+1
This is a dependency for mxs/multiplatform Signed-off-by: Arnd Bergmann <arnd@arndb.de> Conflicts: drivers/clocksource/Makefile
2013-04-09Merge tag 'ux500-multiplatform-asoc' of ↵Arnd Bergmann1-0/+8
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/multiplatform 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>
2013-04-09Merge tag 'v3.9-rc3' into next/multiplatformArnd Bergmann1-1/+1
Linux 3.9-rc3 Conflicts: arch/arm/Kconfig arch/arm/mach-spear/spear3xx.c arch/arm/plat-spear/Kconfig This is a dependency for ux500/multiplatform Signed-off-by: Arnd Bergmann <arnd@arndb.de>