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From: Chanwoo Choi <cw00.choi@samsung.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: kgene@kernel.org, mark.rutland@arm.com, marc.zyngier@arm.com,
	olof@lixom.net, catalin.marinas@arm.com, will.deacon@arm.com,
	inki.dae@samsung.com, chanho61.park@samsung.com,
	sw0312.kim@samsung.com, jh80.chung@samsung.com,
	ideal.song@samsung.com, a.kesavan@samsung.com,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 2/8] arm64: dts: exynos: Add dts files for 64-bit Exynos5433 SoC
Date: Tue, 24 Feb 2015 18:01:27 +0900	[thread overview]
Message-ID: <54EC3DE7.7070306@samsung.com> (raw)
In-Reply-To: <19309272.tlWX2xvTnx@wuerfel>

On 02/24/2015 05:33 PM, Arnd Bergmann wrote:
> On Tuesday 24 February 2015 14:16:45 Chanwoo Choi wrote:
>> This patch adds new Exynos5433 dtsi to support 64-bit Exynos5433 SoC based on
>> Octal core CPUs (quad Cortex-A57 and quad Cortex-A53). And Exynos5433 supports
>> PSCI (Power State Coordination Interface) v0.1.
>>
>> This patch includes following dt node to support Exynos5433 SoC:
>> 1. Octa core for big.LITTLE architecture
>> - Cortex-A53 LITTLE Quad-core
>> - Cortex-A57 big Quad-core
>> - Support PSCI v0.1
> 
> Should we try to come up with a way to better share parts of this with the
> exynos5 dtsi files you already have in arm32? I suspect that there is a
> significant overlap.

Currently, 32-bit Exynos5 SoC (which is included in arch/arm/boot/dts)
didn't support the Cortex-A53/A57 and PSCI.

The 32-bit Exynos5 SoC support the Coretex-A7 or A15 and big.LITTLE Exynos5 SoC
use the MCPM (Multi-Cluster PM) driver for secondary cpu on/off instead of PSCI.

Thanks,
Chanwoo Choi

WARNING: multiple messages have this Message-ID (diff)
From: cw00.choi@samsung.com (Chanwoo Choi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 2/8] arm64: dts: exynos: Add dts files for 64-bit Exynos5433 SoC
Date: Tue, 24 Feb 2015 18:01:27 +0900	[thread overview]
Message-ID: <54EC3DE7.7070306@samsung.com> (raw)
In-Reply-To: <19309272.tlWX2xvTnx@wuerfel>

On 02/24/2015 05:33 PM, Arnd Bergmann wrote:
> On Tuesday 24 February 2015 14:16:45 Chanwoo Choi wrote:
>> This patch adds new Exynos5433 dtsi to support 64-bit Exynos5433 SoC based on
>> Octal core CPUs (quad Cortex-A57 and quad Cortex-A53). And Exynos5433 supports
>> PSCI (Power State Coordination Interface) v0.1.
>>
>> This patch includes following dt node to support Exynos5433 SoC:
>> 1. Octa core for big.LITTLE architecture
>> - Cortex-A53 LITTLE Quad-core
>> - Cortex-A57 big Quad-core
>> - Support PSCI v0.1
> 
> Should we try to come up with a way to better share parts of this with the
> exynos5 dtsi files you already have in arm32? I suspect that there is a
> significant overlap.

Currently, 32-bit Exynos5 SoC (which is included in arch/arm/boot/dts)
didn't support the Cortex-A53/A57 and PSCI.

The 32-bit Exynos5 SoC support the Coretex-A7 or A15 and big.LITTLE Exynos5 SoC
use the MCPM (Multi-Cluster PM) driver for secondary cpu on/off instead of PSCI.

Thanks,
Chanwoo Choi

  reply	other threads:[~2015-02-24  9:01 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-24  5:16 [PATCH v4 0/8] arm64: Add the support for new Exynos5433 SoC Chanwoo Choi
2015-02-24  5:16 ` Chanwoo Choi
2015-02-24  5:16 ` [PATCH v4 1/8] arm64: exynos5433: Enable ARMv8 based Exynos5433 (SoC) support Chanwoo Choi
2015-02-24  5:16   ` Chanwoo Choi
2015-02-24  5:16   ` Chanwoo Choi
2015-02-24  8:31   ` Arnd Bergmann
2015-02-24  8:31     ` Arnd Bergmann
2015-02-26  8:28     ` Chanwoo Choi
2015-02-26  8:28       ` Chanwoo Choi
     [not found]       ` <54EED910.4010603-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2015-02-28  0:51         ` Chanwoo Choi
2015-02-28  0:51           ` Chanwoo Choi
2015-02-28  0:51           ` Chanwoo Choi
2015-02-24  5:16 ` [PATCH v4 2/8] arm64: dts: exynos: Add dts files for 64-bit Exynos5433 SoC Chanwoo Choi
2015-02-24  5:16   ` Chanwoo Choi
2015-02-24  8:33   ` Arnd Bergmann
2015-02-24  8:33     ` Arnd Bergmann
2015-02-24  9:01     ` Chanwoo Choi [this message]
2015-02-24  9:01       ` Chanwoo Choi
2015-02-24  9:50       ` Arnd Bergmann
2015-02-24  9:50         ` Arnd Bergmann
2015-02-24 12:15         ` Chanwoo Choi
2015-02-24 12:15           ` Chanwoo Choi
2015-02-24  8:35   ` Arnd Bergmann
2015-02-24  8:35     ` Arnd Bergmann
2015-02-24  8:52     ` Chanwoo Choi
2015-02-24  8:52       ` Chanwoo Choi
2015-02-24  9:48       ` Arnd Bergmann
2015-02-24  9:48         ` Arnd Bergmann
2015-02-24 11:04         ` Chanwoo Choi
2015-02-24 11:04           ` Chanwoo Choi
2015-02-24 11:04           ` Chanwoo Choi
2015-02-24 11:59           ` Arnd Bergmann
2015-02-24 11:59             ` Arnd Bergmann
2015-02-26  8:18             ` Chanwoo Choi
2015-02-26  8:18               ` Chanwoo Choi
2015-02-26  8:42               ` Chanwoo Choi
2015-02-26  8:42                 ` Chanwoo Choi
2015-02-26 15:42               ` Arnd Bergmann
2015-02-26 15:42                 ` Arnd Bergmann
2015-02-28  0:47                 ` Chanwoo Choi
2015-02-28  0:47                   ` Chanwoo Choi
2015-03-01 21:22                   ` Arnd Bergmann
2015-03-01 21:22                     ` Arnd Bergmann
2015-03-04  6:59                     ` Chanwoo Choi
2015-03-04  6:59                       ` Chanwoo Choi
2015-03-04  9:38                       ` Arnd Bergmann
2015-03-04  9:38                         ` Arnd Bergmann
2015-03-04 10:11                         ` Chanwoo Choi
2015-03-04 10:11                           ` Chanwoo Choi
2015-02-24  5:16 ` [PATCH v4 3/8] arm64: dts: exynos: Add MSHC dt node for Exynos5433 Chanwoo Choi
2015-02-24  5:16   ` Chanwoo Choi
2015-02-24  5:16 ` [PATCH v4 4/8] arm64: dts: exynos: Add SPI/PDMA " Chanwoo Choi
2015-02-24  5:16   ` Chanwoo Choi
2015-02-24  5:16 ` [PATCH v4 5/8] arm64: dts: exynos: Add PMU " Chanwoo Choi
2015-02-24  5:16   ` Chanwoo Choi
2015-02-24  5:16 ` [PATCH v4 6/8] arm64: dts: exynos: Add RTC and ADC dt node for Exynos5433 SoC Chanwoo Choi
2015-02-24  5:16   ` Chanwoo Choi
2015-02-24  5:16 ` [PATCH v4 7/8] arm64: dts: exynos: Add ADMA " Chanwoo Choi
2015-02-24  5:16   ` Chanwoo Choi
2015-02-24  5:16   ` Chanwoo Choi
2015-02-24  5:16 ` [PATCH v4 8/8] arm64: dts: exynos: Add I2S " Chanwoo Choi
2015-02-24  5:16   ` Chanwoo Choi

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