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2020-08-20ARM: s3c: move into a common directoryArnd Bergmann1-100/+0
s3c24xx and s3c64xx have a lot in common, but are split across three separate directories, which makes the interaction of the header files more complicated than necessary. Move all three directories into a new mach-s3c, with a minimal set of changes to each file. Signed-off-by: Arnd Bergmann <arnd@arndb.de> [krzk: Rebase, add s3c24xx and s3c64xx suffix to several files, add SPDX headers to new files, remove plat-samsung from MAINTAINERS] Co-developed-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> https://lore.kernel.org/r/20200806182059.2431-39-krzk@kernel.org
2020-08-19ARM: s3c64xx: remove mach/hardware.hArnd Bergmann1-1/+0
This header is empty and conflicts with the s3c24xx version of the same file when we merge the two, so stop including it. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/20200806182059.2431-19-krzk@kernel.org Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2020-08-19ARM: s3c64xx: switch to generic watchdog driver resetKrzysztof Kozlowski1-1/+0
Similarly to commit f6361c6b3880 ("ARM: S3C24XX: remove separate restart code"), the platform watchdog reset code can be removed in favor of a generic watchdog driver which already handles reset. This allows removal of a bunch of machine code and fixes also W=1 compile warnings: arch/arm/plat-samsung/watchdog-reset.c:29:6: warning: no previous prototype for 'samsung_wdt_reset' [-Wmissing-prototypes] arch/arm/plat-samsung/watchdog-reset.c:69:13: warning: no previous prototype for 'samsung_wdt_reset_of_init' [-Wmissing-prototypes] arch/arm/plat-samsung/watchdog-reset.c:89:13: warning: no previous prototype for 'samsung_wdt_reset_init' [-Wmissing-prototypes] The generic watchdog-based system reset is not exactly the same as before. The previous method had a fallback to soft_restart() which now is gone. The commit also removes a FIXME note about calling s3c64xx_clk_init() inside s3c64xx_init_irq(). No one fixed this since long time and the note is not meaningful anymore because watchdog part is removed. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Tomasz Figa <tomasz.figa@gmail.com>
2020-08-17ARM: s3c: remove plat-samsung/.../samsung-time.hKrzysztof Kozlowski1-1/+0
Remove the arch/arm/plat-samsung/include/plat/samsung-time.h header and move the contents to common.h headers in mach-s3c24xx and mach-s3c64xx. The definition of declared functions is already in common.c in mach directories, so it is logically to put declaration next to them. This is also one step further towards removal of plat-samsung directory and it fixes W=1 build warnings: arch/arm/mach-s3c64xx/common.c:174:13: warning: no previous prototype for 'samsung_set_timer_source' [-Wmissing-prototypes] arch/arm/mach-s3c64xx/common.c:180:13: warning: no previous prototype for 'samsung_timer_init' [-Wmissing-prototypes] Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Tomasz Figa <tomasz.figa@gmail.com>
2018-01-03ARM: S3C64XX: Add SPDX license identifiersKrzysztof Kozlowski1-10/+3
Replace GPL license statements with SPDX license identifiers (GPL-2.0 and GPL-2.0+). Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
2015-12-01ARM: s3c64xx: enable sparse IRQ supportArnd Bergmann1-0/+2
This is another prerequisite for enabling multiplatform support, and it is the part I am least certain about. I assume it will cause the extra boot message "Cannot allocate irq_descs @ IRQ%d, assuming pre-allocated" to be printed, but otherwise work ok. This definitely needs to be tested on real hardware to see if it works. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-09-09ARM: s3c64xx: Leave disabling of unused PM domains to genpdUlf Hansson1-1/+0
Since genpd at late init, will try to disable unused PM domains we don't need to do it from the machine specific code as well. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Kevin Hilman <khilman@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-07-19ARM: SAMSUNG: Remove legacy clock codeTomasz Figa1-1/+0
Since S5PV210 now has a complete clock driver using Common Clock Framework, there is no reason to keep the old code. Remove it together with the whole legacy Samsung-specific clock framework which no longer has any users. Signed-off-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-02-14ARM: SAMSUNG: Replace inclusion of plat/regs-serial.h header fileTushar Behera1-1/+1
regs-serial.h only includes linux/serial_s3c.h. Include this header directly to remove unnecessary platform dependency. Signed-off-by: Tushar Behera <tushar.behera@linaro.org> [broonie@linaro.org: Acked for S3C64XX related changes] Acked-by: Mark Brown <broonie@linaro.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-09-17ARM: S3C64XX: Migrate clock handling to Common Clock FrameworkTomasz Figa1-1/+1
This patch migrates the s3c64xx platform to use the new clock driver using Common Clock Framework. Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-03-05ARM: S3C64XX: Add samsung-time support for s3c64xxRomain Naour1-1/+3
Signed-off-by: Naour Romain <romain.naour@openwide.fr> [tomasz.figa@gmail.com: tested on a Tiny6410 board] Reviewed-and-Tested-by: Tomasz Figa <tomasz.figa@gmail.com> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-01-14Merge tag 'gic-vic-to-irqchip' of git://sources.calxeda.com/kernel/linux into next/cleanupOlof Johansson1-2/+0
From Rob Herring: Initial irqchip init infrastructure and GIC and VIC clean-ups This creates irqchip initialization infrastructure from Thomas Petazzoni. The VIC and GIC irqchip code is moved to drivers/irqchips and adapted to use the new infrastructure. All DT enabled platforms using GIC and VIC are converted over to use the new irqchip_init. * tag 'gic-vic-to-irqchip' of git://sources.calxeda.com/kernel/linux: irqchip: Move ARM vic.h to include/linux/irqchip/arm-vic.h ARM: picoxcell: use common irqchip_init function ARM: spear: use common irqchip_init function irqchip: Move ARM VIC to drivers/irqchip ARM: samsung: remove unused tick.h ARM: remove unneeded vic.h includes ARM: remove mach .handle_irq for VIC users ARM: VIC: set handle_arch_irq in VIC initialization ARM: VIC: shrink down vic.h irqchip: Move ARM gic.h to include/linux/irqchip/arm-gic.h ARM: use common irqchip_init for GIC init irqchip: Move ARM GIC to drivers/irqchip ARM: remove mach .handle_irq for GIC users ARM: GIC: set handle_arch_irq in GIC initialization ARM: GIC: remove direct use of gic_raise_softirq ARM: GIC: remove assembly ifdefs from gic.h ARM: mach-ux500: use SGI0 to wake up the other core arm: add set_handle_irq() to register the parent IRQ controller handler function irqchip: add basic infrastructure irqchip: add to the directories part of the IRQ subsystem in MAINTAINERS Fixed up massive merge conflicts with the timer cleanup due to adjacent changes: Signed-off-by: Olof Johansson <olof@lixom.net> Conflicts: arch/arm/mach-bcm/board_bcm.c arch/arm/mach-cns3xxx/cns3420vb.c arch/arm/mach-ep93xx/adssphere.c arch/arm/mach-ep93xx/edb93xx.c arch/arm/mach-ep93xx/gesbc9312.c arch/arm/mach-ep93xx/micro9.c arch/arm/mach-ep93xx/simone.c arch/arm/mach-ep93xx/snappercl15.c arch/arm/mach-ep93xx/ts72xx.c arch/arm/mach-ep93xx/vision_ep9307.c arch/arm/mach-highbank/highbank.c arch/arm/mach-imx/mach-imx6q.c arch/arm/mach-msm/board-dt-8960.c arch/arm/mach-netx/nxdb500.c arch/arm/mach-netx/nxdkn.c arch/arm/mach-netx/nxeb500hmi.c arch/arm/mach-nomadik/board-nhk8815.c arch/arm/mach-picoxcell/common.c arch/arm/mach-realview/realview_eb.c arch/arm/mach-realview/realview_pb1176.c arch/arm/mach-realview/realview_pb11mp.c arch/arm/mach-realview/realview_pba8.c arch/arm/mach-realview/realview_pbx.c arch/arm/mach-socfpga/socfpga.c arch/arm/mach-spear13xx/spear1310.c arch/arm/mach-spear13xx/spear1340.c arch/arm/mach-spear13xx/spear13xx.c arch/arm/mach-spear3xx/spear300.c arch/arm/mach-spear3xx/spear310.c arch/arm/mach-spear3xx/spear320.c arch/arm/mach-spear3xx/spear3xx.c arch/arm/mach-spear6xx/spear6xx.c arch/arm/mach-tegra/board-dt-tegra20.c arch/arm/mach-tegra/board-dt-tegra30.c arch/arm/mach-u300/core.c arch/arm/mach-ux500/board-mop500.c arch/arm/mach-ux500/cpu-db8500.c arch/arm/mach-versatile/versatile_ab.c arch/arm/mach-versatile/versatile_dt.c arch/arm/mach-versatile/versatile_pb.c arch/arm/mach-vexpress/v2m.c include/asm-generic/vmlinux.lds.h
2013-01-12ARM: remove unneeded vic.h includesRob Herring1-1/+0
Numerous includes of asm/hardware/vic.h aren't needed, so remove them. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ryan Mallon <rmallon@gmail.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Hubert Feurstein <hubert.feurstein@contec.at> Cc: Alessandro Rubini <rubini@unipv.it> Acked-by: Linus Walleij <linus.walleij@linaro.org> Cc: STEricsson <STEricsson_nomadik_linux@list.st.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Kukjin Kim <kgene.kim@samsung.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Acked-By: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: linux-samsung-soc@vger.kernel.org Cc: patches@opensource.wolfsonmicro.com Acked-by: Arnd Bergmann <arnd@arndb.de>
2013-01-12ARM: remove mach .handle_irq for VIC usersRob Herring1-1/+0
Now that the VIC initialization sets up the handle_arch_irq pointer, we can remove it for all machines and make it static. Move vic_handle_irq to avoid a forward declaration. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Cc: Ryan Mallon <rmallon@gmail.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Hubert Feurstein <hubert.feurstein@contec.at> Cc: Alessandro Rubini <rubini@unipv.it> Cc: STEricsson <STEricsson_nomadik_linux@list.st.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Shiraz Hashim <shiraz.hashim@st.com> Cc: Rajeev Kumar <rajeev-dlh.kumar@st.com> Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Jamie Iles <jamie@jamieiles.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Acked-by: Olof Johansson <olof@lixom.net> Acked-by: Arnd Bergmann <arnd@arndb.de>
2012-12-24ARM: delete struct sys_timerStephen Warren1-1/+1
Now that the only field in struct sys_timer is .init, delete the struct, and replace the machine descriptor .timer field with the initialization function itself. This will enable moving timer drivers into drivers/clocksource without having to place a public prototype of each struct sys_timer object into include/linux; the intent is to create a single of_clocksource_init() function that determines which timer driver to initialize by scanning the device dtree, much like the proposed irqchip_init() at: http://www.spinics.net/lists/arm-kernel/msg203686.html Includes mach-omap2 fixes from Igor Grinberg. Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Stephen Warren <swarren@nvidia.com>
2012-10-12Merge tag 'fbdev-updates-for-3.7' of git://github.com/schandinat/linux-2.6Linus Torvalds1-1/+1
Pull fbdev updates from Florian Tobias Schandinat: "This includes: - large updates for OMAP - basic OMAP5 DSS support for DPI and DSI outputs - large cleanups and restructuring - some update to Exynos and da8xx-fb - removal of the pnx4008 driver (arch removed) - various other small patches" Fix up some trivial conflicts (mostly just include line changes, but also some due to the renaming of the deferred work functions by Tejun). * tag 'fbdev-updates-for-3.7' of git://github.com/schandinat/linux-2.6: (193 commits) gbefb: fix compile error video: mark nuc900fb_map_video_memory as __devinit video/mx3fb: set .owner to prevent module unloading while being used video: exynos_dp: use clk_prepare_enable and clk_disable_unprepare drivers/video/exynos/exynos_mipi_dsi.c: fix error return code drivers/video/savage/savagefb_driver.c: fix error return code video: s3c-fb: use clk_prepare_enable and clk_disable_unprepare da8xx-fb: save and restore LCDC context across suspend/resume cycle da8xx-fb: add pm_runtime support video/udlfb: fix line counting in fb_write OMAPDSS: add missing include for string.h OMAPDSS: DISPC: Configure color conversion coefficients for writeback OMAPDSS: DISPC: Add manager like functions for writeback OMAPDSS: DISPC: Configure writeback FIFOs OMAPDSS: DISPC: Configure writeback specific parameters in dispc_wb_setup() OMAPDSS: DISPC: Configure overlay-like parameters in dispc_wb_setup OMAPDSS: DISPC: Add function to set channel in for writeback OMAPDSS: DISPC: Don't set chroma resampling bit for writeback OMAPDSS: DISPC: Downscale chroma if plane is writeback OMAPDSS: DISPC: Configure input and output sizes for writeback ...
2012-09-19ARM: samsung: move platform_data definitionsArnd Bergmann1-1/+1
Platform data for device drivers should be defined in include/linux/platform_data/*.h, not in the architecture and platform specific directories. This moves such data out of the samsung include directories Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Jeff Garzik <jgarzik@pobox.com> Cc: Guenter Roeck <linux@roeck-us.net> Cc: "Wolfram Sang (embedded platforms)" <w.sang@pengutronix.de> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Bryan Wu <bryan.wu@canonical.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> Cc: Chris Ball <cjb@laptop.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Felipe Balbi <balbi@ti.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Sangbeom Kim <sbkim73@samsung.com> Cc: Liam Girdwood <lrg@ti.com> Cc: linux-samsung-soc@vger.kernel.org
2012-08-08include/video: move fimd register headers from platform to include/videoLeela Krishna Amudala1-1/+1
This patch moves the contents from regs-fb-v4.h and regs-fb.h to include/video/samsung_fimd.h. Also updates the header inclusion in machine files and driver files accordingly. Signed-off-by: Leela Krishna Amudala <l.krishna@samsung.com> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-05-08ARM: s3c64xx: use machine specific hook for late initShawn Guo1-0/+1
Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Kukjin Kim <kgene.kim@samsung.com>
2012-01-05Merge branch 'restart' into for-linusRussell King1-1/+3
Conflicts: arch/arm/mach-exynos/cpu.c The changes to arch/arm/mach-exynos/cpu.c were moved to mach-exynos/common.c.
2012-01-05ARM: 7266/1: restart: S3C64XX: use new restart hookKukjin Kim1-0/+1
Hook these platforms restart code into the new restart hook rather than using arch_reset(). Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-12-23ARM: 7245/1: S3C64XX: introduce arch/arm/mach-s3c64xx/common.[ch]Kukjin Kim1-1/+2
This patch introduces common.[ch] which are used only in the arch/arm/mach-s3c64xx/ directory. The common.c file merges the cpu.c, irq.c and irq-eint.c which are used commonly on S3C64XX SoCs and the common.h file replaces with plat/s3c6400.h and plat/s3c6410.h files. Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-11-15ARM: s3c64xx: convert to MULTI_IRQ_HANDLERJamie Iles1-0/+2
Now that there is a generic IRQ handler for multiple VIC devices use it for s3c64xx to help building multi platform kernels. Cc: Ben Dooks <ben-linux@fluff.org> Tested-by: Thomas Abraham <thomas.abraham@linaro.org> Signed-off-by: Jamie Iles <jamie@jamieiles.com>
2011-11-01Merge branch 'depends/rmk/memory_h' into next/cleanup2Arnd Bergmann1-1/+1
There are lots of conflicts between the omap and exynos cleanups and the memory.h remove series. Conflicts: arch/arm/mach-exynos4/mach-smdkc210.c arch/arm/mach-exynos4/mach-smdkv310.c arch/arm/mach-imx/mach-cpuimx27.c arch/arm/mach-omap1/board-ams-delta.c arch/arm/mach-omap1/board-generic.c arch/arm/mach-omap1/board-h2.c arch/arm/mach-omap1/board-h3.c arch/arm/mach-omap1/board-nokia770.c arch/arm/mach-omap1/board-osk.c arch/arm/mach-omap1/board-palmte.c arch/arm/mach-omap1/board-palmtt.c arch/arm/mach-omap1/board-palmz71.c arch/arm/mach-omap1/board-sx1.c arch/arm/mach-omap1/board-voiceblue.c arch/arm/mach-omap1/io.c arch/arm/mach-omap2/board-generic.c arch/arm/mach-omap2/io.c arch/arm/plat-omap/io.c Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2011-10-04ARM: SAMSUNG: Moving each SoC support header filesKukjin Kim1-1/+1
This patch moves SoC header files for supporting each SoCs to plat-samsung directory. This is required to make one plat- directory for Samsung SoCs. Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-08-21ARM: mach-s3c64xx: convert boot_params to atag_offsetNicolas Pitre1-1/+1
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Acked-by: Arnd Bergmann <arnd@arndb.de>
2011-07-21ARM: S3C64XX: Cleanup mach/regs-fb.h from mach-s3c64xxAjay Kumar1-1/+1
Use plat/regs-fb-v4.h in machine files instead of mach/regs-fb.h. Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2010-10-20arm: remove machine_desc.io_pg_offst and .phys_ioNicolas Pitre1-2/+0
Since we're now using addruart to establish the debug mapping, we can remove the io_pg_offst and phys_io members of struct machine_desc. The various declarations were removed using the following script: grep -rl MACHINE_START arch/arm | xargs \ sed -i '/MACHINE_START/,/MACHINE_END/ { /\.\(phys_io\|io_pg_offst\)/d }' [ Initial patch was from Jeremy Kerr, example script from Russell King ] Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Acked-by: Eric Miao <eric.miao at canonical.com>
2010-02-20ARM: S3C64XX: Move core support to mach-s3c64xxBen Dooks1-1/+1
Move the core S3C64XX support to mach-s3c64xx as it is unlikely to be used outside of this directory. Also move the SoC header files in with it. This includes the clock, cpu, cpufreq, dma, gpiolib and pll support. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2010-01-26ARM: S3C64XX: Merge mach-s3c6400 and mach-s3c6410Ben Dooks1-0/+107
As per discussions with Russell King on linux-arm-kernel, it appears that both mach-s3c6400 and mach-s3c6410 are so close together that they should simply be merged into mach-s3c64xx. Note, this patch does not eliminate any of the bits that are still common, it is simply a move of the two directories together, any further common code will be eliminated or moved in further patches. Signed-off-by: Ben Dooks <ben-linux@fluff.org>
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