From: Albert ARIBAUD <albert.u.boot@aribaud.net>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/3] ARM: tegra: enable some CPU errata workarounds
Date: Fri, 15 Mar 2013 06:59:06 +0100 [thread overview]
Message-ID: <20130315065906.52549dc0@lilith> (raw)
In-Reply-To: <1361917709-11536-2-git-send-email-swarren@wwwdotorg.org>
Hi Stephen,
On Tue, 26 Feb 2013 15:28:28 -0700, Stephen Warren
<swarren@wwwdotorg.org> wrote:
> From: Stephen Warren <swarren@nvidia.com>
>
> Tegra20 has a Cortex A9 r1p1, and Tegra30 has a Cortex A9 r2p9. As such,
> some CPU errata exist, and must be worked around.
>
> These must be worked around in the bootloader, since in general, the
> kernel (especially a multi-platform kernel) needs to support being
> launched in non-secure mode (normal world), and hence may not be able
> to write to the CP15 register to enable these workarounds.
>
> Signed-off-by: Stephen Warren <swarren@nvidia.com>
> ---
> include/configs/tegra20-common.h | 6 ++++++
> include/configs/tegra30-common.h | 6 ++++++
> 2 files changed, 12 insertions(+)
>
> diff --git a/include/configs/tegra20-common.h b/include/configs/tegra20-common.h
> index 33e5f52..186e023 100644
> --- a/include/configs/tegra20-common.h
> +++ b/include/configs/tegra20-common.h
> @@ -26,6 +26,12 @@
> #include "tegra-common.h"
>
> /*
> + * Errata configuration
> + */
> +#define CONFIG_ARM_ERRATA_742230
> +#define CONFIG_ARM_ERRATA_751472
> +
> +/*
> * NS16550 Configuration
> */
> #define V_NS16550_CLK 216000000 /* 216MHz (pllp_out0) */
> diff --git a/include/configs/tegra30-common.h b/include/configs/tegra30-common.h
> index 04517e1..f6c07c6 100644
> --- a/include/configs/tegra30-common.h
> +++ b/include/configs/tegra30-common.h
> @@ -26,6 +26,12 @@
> #include "tegra-common.h"
>
> /*
> + * Errata configuration
> + */
> +#define CONFIG_ARM_ERRATA_743622
> +#define CONFIG_ARM_ERRATA_751472
> +
> +/*
> * NS16550 Configuration
> */
> #define V_NS16550_CLK 408000000 /* 408MHz (pllp_out0) */
Applied to u-boot-arm/master, thanks!
Amicalement,
--
Albert.
next prev parent reply other threads:[~2013-03-15 5:59 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-26 22:28 [U-Boot] [PATCH 1/3] ARM: implement some Cortex-A9 errata workarounds Stephen Warren
2013-02-26 22:28 ` [U-Boot] [PATCH 2/3] ARM: tegra: enable some CPU " Stephen Warren
2013-03-15 5:59 ` Albert ARIBAUD [this message]
2013-02-26 22:28 ` [U-Boot] [PATCH 3/3] ARM: mx6: use common CPU errata config options Stephen Warren
2013-02-27 0:15 ` Fabio Estevam
2013-02-27 2:44 ` Liu Hui-R64343
2013-03-07 17:24 ` Stefano Babic
2013-03-07 19:19 ` Stephen Warren
2013-03-08 8:12 ` Stefano Babic
2013-02-28 0:30 ` [U-Boot] [PATCH 1/3] ARM: implement some Cortex-A9 errata workarounds Simon Glass
2013-02-28 0:36 ` Stephen Warren
2013-02-28 0:38 ` Simon Glass
2013-02-28 17:08 ` Stephen Warren
2013-03-01 21:53 ` Stephen Warren
2013-03-01 23:02 ` Tom Warren
2013-03-04 16:30 ` Tom Warren
2013-03-04 18:00 ` Albert ARIBAUD
2013-03-04 19:07 ` Tom Warren
2013-03-15 5:58 ` Albert ARIBAUD
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