From: Ben Dooks <ben@simtec.co.uk>
To: MyungJoo Ham <myungjoo.ham@samsung.com>
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
Subject: Re: [PATCH v3 1/7] ARM: S5PV210: Add a Kconfig entry "S5PC110_EVT0_WORKAROUND"
Date: Wed, 21 Jul 2010 01:36:55 +0100 [thread overview]
Message-ID: <4C464127.5040405@simtec.co.uk> (raw)
In-Reply-To: <1279517483-22751-2-git-send-email-myungjoo.ham@samsung.com>
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<myungjoo.ham@samsung.com>
> Signed-off-by: Kyungmin Park<kyungmin.park@samsung.com>
> ---
> 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/
WARNING: multiple messages have this Message-ID (diff)
From: ben@simtec.co.uk (Ben Dooks)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 1/7] ARM: S5PV210: Add a Kconfig entry "S5PC110_EVT0_WORKAROUND"
Date: Wed, 21 Jul 2010 01:36:55 +0100 [thread overview]
Message-ID: <4C464127.5040405@simtec.co.uk> (raw)
In-Reply-To: <1279517483-22751-2-git-send-email-myungjoo.ham@samsung.com>
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<myungjoo.ham@samsung.com>
> Signed-off-by: Kyungmin Park<kyungmin.park@samsung.com>
> ---
> 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/
next prev parent reply other threads:[~2010-07-21 1:19 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-19 5:31 [PATCH v3 0/7] ARM: S5PV210: CPUFREQ Initial Support MyungJoo Ham
2010-07-19 5:31 ` MyungJoo Ham
2010-07-19 5:31 ` [PATCH v3 1/7] ARM: S5PV210: Add a Kconfig entry "S5PC110_EVT0_WORKAROUND" MyungJoo Ham
2010-07-19 5:31 ` MyungJoo Ham
2010-07-19 5:31 ` [PATCH v3 2/7] ARM: Samsung SoC: added hclk/pclk info to s3c_freq for s5pv210 cpu-freq MyungJoo Ham
2010-07-19 5:31 ` MyungJoo Ham
2010-07-19 5:31 ` [PATCH v3 3/7] ARM: S5P: Added default pll values for APLL 800/1000MHz MyungJoo Ham
2010-07-19 5:31 ` MyungJoo Ham
2010-07-19 5:31 ` [PATCH v3 4/7] ARM: S5P: Virtual Addresses for DMCx registers MyungJoo Ham
2010-07-19 5:31 ` MyungJoo Ham
2010-07-19 5:31 ` [PATCH v3 5/7] ARM: S5PV210: macros for clock registers at regs-clock.h MyungJoo Ham
2010-07-19 5:31 ` MyungJoo Ham
2010-07-19 5:31 ` [PATCH v3 6/7] ARM: S5PV210: Access for DMCx registers MyungJoo Ham
2010-07-19 5:31 ` MyungJoo Ham
2010-07-19 5:31 ` [PATCH v3 7/7] ARM: S5PV210: Initial CPUFREQ Support MyungJoo Ham
2010-07-19 5:31 ` MyungJoo Ham
2010-07-19 8:47 ` Mark Brown
2010-07-19 8:47 ` Mark Brown
2010-07-20 0:37 ` Kukjin Kim
2010-07-20 0:37 ` Kukjin Kim
2010-07-20 7:00 ` MyungJoo Ham
2010-07-20 7:00 ` MyungJoo Ham
2010-07-21 0:38 ` [PATCH v3 5/7] ARM: S5PV210: macros for clock registers at regs-clock.h Ben Dooks
2010-07-21 0:38 ` Ben Dooks
2010-07-21 2:03 ` MyungJoo Ham
2010-07-21 2:03 ` MyungJoo Ham
2010-07-21 0:37 ` [PATCH v3 3/7] ARM: S5P: Added default pll values for APLL 800/1000MHz Ben Dooks
2010-07-21 0:37 ` Ben Dooks
2010-07-21 1:28 ` MyungJoo Ham
2010-07-21 1:28 ` MyungJoo Ham
2010-07-19 7:59 ` [PATCH v3 1/7] ARM: S5PV210: Add a Kconfig entry "S5PC110_EVT0_WORKAROUND" Kukjin Kim
2010-07-19 7:59 ` Kukjin Kim
2010-07-19 8:09 ` Kyungmin Park
2010-07-19 8:09 ` Kyungmin Park
2010-07-21 0:36 ` Ben Dooks [this message]
2010-07-21 0:36 ` Ben Dooks
2010-07-21 1:13 ` MyungJoo Ham
2010-07-21 1:13 ` MyungJoo Ham
2010-07-21 11:47 ` Ben Dooks
2010-07-21 11:47 ` Ben Dooks
2010-07-21 13:51 ` Kyungmin Park
2010-07-21 13:51 ` Kyungmin Park
2010-07-22 0:57 ` MyungJoo Ham
2010-07-22 0:57 ` MyungJoo Ham
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