From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Dooks Subject: Re: [PATCH v3 1/7] ARM: S5PV210: Add a Kconfig entry "S5PC110_EVT0_WORKAROUND" Date: Wed, 21 Jul 2010 01:36:55 +0100 Message-ID: <4C464127.5040405@simtec.co.uk> References: <1279517483-22751-1-git-send-email-myungjoo.ham@samsung.com> <1279517483-22751-2-git-send-email-myungjoo.ham@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from dsl78-143-211-26.in-addr.fast.co.uk ([78.143.211.26]:36415 "EHLO kira.home.fluff.org" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1754110Ab0GUBT5 (ORCPT ); Tue, 20 Jul 2010 21:19:57 -0400 In-Reply-To: <1279517483-22751-2-git-send-email-myungjoo.ham@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: MyungJoo Ham Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, kyungmin.park@samsung.com, kgene.kim@samsung.com, myungjoo.ham@gmail.com, ben-linux@fluff.org On 07/19/10 06:31, MyungJoo Ham wrote: > Early S5PC110 (EVT0) chip had some issues required workaround from a > kernel. We can add such workaround codes with this Kconfig entry. > > Signed-off-by: MyungJoo Ham > Signed-off-by: Kyungmin Park > --- > arch/arm/mach-s5pv210/Kconfig | 7 +++++++ > 1 files changed, 7 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig > index 631019a..18802e7 100644 > --- a/arch/arm/mach-s5pv210/Kconfig > +++ b/arch/arm/mach-s5pv210/Kconfig > @@ -101,4 +101,11 @@ config MACH_SMDKC110 > Machine support for Samsung SMDKC110 > S5PC110(MCP) is one of package option of S5PV210 > > +config S5PC110_EVT0_WORKAROUND > + bool "S5PC110 Early Chip Workaround (EVT0)" > + help > + Early S5PC110 (so called EVT0) has errata items that should be > + addressed; otherwise the kernel may panic or be locked up. Enable > + this option to execute workaround instructions. > + > endif What happens for non EVT0, is the a performance issue or is it exclusive? -- Ben Dooks, Design & Software Engineer, Simtec Electronics http://www.simtec.co.uk/ From mboxrd@z Thu Jan 1 00:00:00 1970 From: ben@simtec.co.uk (Ben Dooks) Date: Wed, 21 Jul 2010 01:36:55 +0100 Subject: [PATCH v3 1/7] ARM: S5PV210: Add a Kconfig entry "S5PC110_EVT0_WORKAROUND" In-Reply-To: <1279517483-22751-2-git-send-email-myungjoo.ham@samsung.com> References: <1279517483-22751-1-git-send-email-myungjoo.ham@samsung.com> <1279517483-22751-2-git-send-email-myungjoo.ham@samsung.com> Message-ID: <4C464127.5040405@simtec.co.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 07/19/10 06:31, MyungJoo Ham wrote: > Early S5PC110 (EVT0) chip had some issues required workaround from a > kernel. We can add such workaround codes with this Kconfig entry. > > Signed-off-by: MyungJoo Ham > Signed-off-by: Kyungmin Park > --- > arch/arm/mach-s5pv210/Kconfig | 7 +++++++ > 1 files changed, 7 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig > index 631019a..18802e7 100644 > --- a/arch/arm/mach-s5pv210/Kconfig > +++ b/arch/arm/mach-s5pv210/Kconfig > @@ -101,4 +101,11 @@ config MACH_SMDKC110 > Machine support for Samsung SMDKC110 > S5PC110(MCP) is one of package option of S5PV210 > > +config S5PC110_EVT0_WORKAROUND > + bool "S5PC110 Early Chip Workaround (EVT0)" > + help > + Early S5PC110 (so called EVT0) has errata items that should be > + addressed; otherwise the kernel may panic or be locked up. Enable > + this option to execute workaround instructions. > + > endif What happens for non EVT0, is the a performance issue or is it exclusive? -- Ben Dooks, Design & Software Engineer, Simtec Electronics http://www.simtec.co.uk/