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Message-ID: <52A8E755.4080600@samsung.com> Date: Thu, 12 Dec 2013 07:29:41 +0900 From: Kukjin Kim <kgene.kim@...sung.com> To: Vyacheslav Tyrtov <v.tyrtov@...sung.com> CC: linux-kernel@...r.kernel.org, Mark Rutland <mark.rutland@....com>, nicolas.pitre@...aro.org, Daniel Lezcano <daniel.lezcano@...aro.org>, Heiko Stuebner <heiko@...ech.de>, linux-doc@...r.kernel.org, tomasz.figa@...il.com, Naour Romain <romain.naour@...nwide.fr>, Tarek Dakhran <t.dakhran@...sung.com>, Kukjin Kim <kgene.kim@...sung.com>, Russell King <linux@....linux.org.uk>, Stephen Warren <swarren@...dotorg.org>, Dave.Martin@....com, devicetree@...r.kernel.org, Pawel Moll <pawel.moll@....com>, Ian Campbell <ijc+devicetree@...lion.org.uk>, Rob Herring <rob.herring@...xeda.com>, linux-samsung-soc@...r.kernel.org, Ben Dooks <ben-linux@...ff.org>, Mike Turquette <mturquette@...aro.org>, Thomas Gleixner <tglx@...utronix.de>, linux-arm-kernel@...ts.infradead.org, Rob Landley <rob@...dley.net> Subject: Re: [PATCH v5 0/3] Exynos 5410 support On 12/10/13 23:26, Vyacheslav Tyrtov wrote: > The series of patches represent support of Exynos 5410 SoC > > The Exynos 5410 is the first Samsung SoC based on bigLITTLE architecture > > Patches add new platform description, support of clock controller and device > tree for Exynos 5410. > > Dual cluster support for Exynos 5410 (EDCS) has been removed from this series > This patches is activating only the big cluster (all A15 cores) > > EDCS patch, which allows all 8 CPU cores (4 x A7 and 4 x A15) > to run at the same time, will be released separately > > Has been build on v3.13-rc3 > Has been tested on Exynos 5410 reference board (exynos_defconfig) > > Thanks for all your comments to Tomasz Figa, Dave Martin and Nicolas Pitre. > I hope, this is enough clean and hasn't any dependencies to go through > Samsung tree. Kukjin, what do you think about it? > OK, looks good and I've applied. Thanks, Kukjin > Vyacheslav. > > > Changelog: > > v5: > EDCS removed to separate patch. > > In arch/arm/mach-exynos/Kconfig > 1. Removed select ARM_CCI and MCPM. > In arch/arm/mach-exynos/platsmp.c > 1. Added correct boot_reg for exynos5410. > In arch/arm/boot/dts/exynos5410.dtsi > 1. Removed cortex-a7 cpu nodes and cci node. > > v4: > In arch/arm/mach-exynos/edcs.c > 1. Renamed all exynos_ prefixes to edcs_. > 2. Reworked edcs_core_power_up/down functions. > 3. Removed exynos_core_power_control function. > 4. Added this_core_to_pcpu function. > 5. Added core_power_state function which detects if cpu is being reset. > 6. Replaced cache flush sequences with v7_exit_coherency_flush(). > 7. exynos_core_power_down moved to lock protected area. > 8. edcs_power_down_finish implemented. > In Documentation/devicetree/bindings/clock/exynos5410-clock.txt > 1. External clocks documented. > In arch/arm/boot/dts/exynos5410-smdk5410.dts > 1. oscclk node corrected according to ePAPR recommendation. > In arch/arm/boot/dts/exynos5410.dtsi > 1. mct@...C0000 node renamed to timer@...C0000. > 2. "interrupt-controller" line removed from mct node. > 3. mct_map renamed to interrupt_map. > In arch/arm/mach-exynos/Kconfig > 1. some cosmetic corrections. > In include/dt-bindings/clock/exynos5410.h > 1. Unnecessary defines removed. > > v3: > In drivers/clk/samsung/clk-exynos5410.c > 1. Fixed rate clock "samsung,clock-oscclk" removed. > In arch/arm/boot/dts/exynos5410.dtsi > 1. In mct node clock CLK_FIN_PLL replaced with generic fixed rate oscclk. > In arch/arm/boot/dts/exynos5410-smdk5410.dts > 1. Fixed rate oscclk clock added. > In arch/arm/mach-exynos/edcs.c > 1. Added write memory barrier in exynos_core_power_control function. > 2. __raw_readl/__raw_writel replaced with readl_relaxed/writel_relaxed. > 3. #define added for some magic constants. > 4. Disabled the GIC CPU interface in exynos_power_down function. > > v2: > In drivers/clk/samsung/clk-exynos5410.c > 1. Clock driver converted to use preprocessor macros instead of enums. > Clock IDs now defined in include/dt-bindings/clock/exynos5410.h. > 2. Unused spinlock removed. > 3. Function exynos5410_clk_init defined as static. > Struct exynos5410_fixed_rate_ext_clks defined as static. > Struct exynos5410_mux_clks defined as static. > Struct exynos5410_div_clks defined as static. > Struct exynos5410_gate_clks defined as static. > 4. Removed aliases. > 5. Pll's magic register offsets defined as preprocessor macros. > 6. Redundant check of device_node pointer removed. > > In arch/arm/boot/dts/exynos5410.dtsi > 1. dwmmcX nodes renamed to mmc. > dwmmc_X renamed to mmc_X. > dwmmc status="disabled" field added. > fifo-depth field moved from arch/arm/boot/dts/exynos5410-smdk5410.dts > 2. Blank lines added where necessary. > 3. cpu@ suffixes corrected. > 4. edcs node removed. > 5. Hexadecimal characters case corrected. > 6. Clock IDs replaced with preprocessor macros. > > In arch/arm/boot/dts/exynos5410-smdk5410.dts > 1. status = "okay" field added to mmc nodes. > > In arch/arm/mach-exynos/edcs.c > 1. "kfs_" prefix replaced with "edcs_" > 2. EDCS_CPUS_PER_CLUSTER and EDCS_CLUSTERS defined instead of MCPM's values. > 3. Cache handling sequence borrowed from arch/arm/mach-vexpress/tc2_pm.c > 4. mcpm_sync_init() call added. > 5. power management functions reworked. > > Other > 1. Documentation/devicetree/bindings/clock/exynos5410-clock.txt corrected. > 2. Removed smdk5410_defconfig. Instead SOC_EXYNOS5410 now selects MCPM and > ARM_CCI in arch/arm/mach-exynos/Kconfig. > 3. edcs_status driver removed. > > Tarek Dakhran (3): > ARM: EXYNOS: Add support for EXYNOS5410 SoC > clk: exynos5410: register clocks using common clock framework > ARM: dts: Add initial device tree support for EXYNOS5410 > > .../devicetree/bindings/clock/exynos5410-clock.txt | 54 +++++ > arch/arm/boot/dts/Makefile | 1 + > arch/arm/boot/dts/exynos5410-smdk5410.dts | 72 +++++++ > arch/arm/boot/dts/exynos5410.dtsi | 145 +++++++++++++ > arch/arm/mach-exynos/Kconfig | 10 + > arch/arm/mach-exynos/common.c | 18 ++ > arch/arm/mach-exynos/include/mach/map.h | 1 + > arch/arm/mach-exynos/mach-exynos5-dt.c | 1 + > arch/arm/mach-exynos/platsmp.c | 2 + > arch/arm/plat-samsung/include/plat/cpu.h | 8 + > arch/arm/plat-samsung/include/plat/map-s5p.h | 3 + > drivers/clk/samsung/Makefile | 1 + > drivers/clk/samsung/clk-exynos5410.c | 239 +++++++++++++++++++++ > include/dt-bindings/clock/exynos5410.h | 32 +++ > 14 files changed, 587 insertions(+) > create mode 100644 Documentation/devicetree/bindings/clock/exynos5410-clock.txt > create mode 100644 arch/arm/boot/dts/exynos5410-smdk5410.dts > create mode 100644 arch/arm/boot/dts/exynos5410.dtsi > create mode 100644 drivers/clk/samsung/clk-exynos5410.c > create mode 100644 include/dt-bindings/clock/exynos5410.h > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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