[PATCH 1/2] ARM: tegra30: slow down CPU to 600 MHz

Sascha Hauer s.hauer at pengutronix.de
Thu May 8 00:36:05 PDT 2014


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 at 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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