From: Sascha Hauer <s.hauer@pengutronix.de>
To: Lucas Stach <dev@lynxeye.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 1/2] ARM: tegra30: slow down CPU to 600 MHz
Date: Thu, 8 May 2014 09:36:05 +0200 [thread overview]
Message-ID: <20140508073605.GK5858@pengutronix.de> (raw)
In-Reply-To: <1399493130-13670-1-git-send-email-dev@lynxeye.de>
On Wed, May 07, 2014 at 10:05:29PM +0200, Lucas Stach wrote:
> It's not safe to ramp up the CPU clock speed to
> 1,4 GHz on all T30 SKUs, as this may result in failure
> to start the kernel properly. Start CPU at 600 MHz,
> which is safe even for the slowest SKUs.
>
> Signed-off-by: Lucas Stach <dev@lynxeye.de>
Applied both, thanks
Sascha
> ---
> arch/arm/mach-tegra/tegra_avp_init.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/mach-tegra/tegra_avp_init.c b/arch/arm/mach-tegra/tegra_avp_init.c
> index 1afea44..53e81d9 100644
> --- a/arch/arm/mach-tegra/tegra_avp_init.c
> +++ b/arch/arm/mach-tegra/tegra_avp_init.c
> @@ -87,10 +87,10 @@ static struct pll_config pllx_config_table[][4] = {
> {1000, 26, 0, 12}, /* OSC 26.0 MHz */
> }, /* TEGRA 20 */
> {
> - {862, 8, 0, 8},
> - {583, 8, 0, 4},
> - {700, 6, 0, 8},
> - {700, 13, 0, 8},
> + {600, 13, 0, 8 },
> + {500, 16, 0, 8 },
> + {600, 12, 0, 8 },
> + {600, 26, 0, 8 },
> }, /* TEGRA 30 */
> };
>
> --
> 1.9.0
>
>
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prev parent reply other threads:[~2014-05-08 7:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-07 20:05 Lucas Stach
2014-05-07 20:05 ` [PATCH 2/2] ARM: tegra30: ramp vdd_core to 1,2V Lucas Stach
2014-05-08 7:36 ` Sascha Hauer [this message]
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