[U-Boot] [PATCH 2/2] ARM: tegra: Use architected timer on ARMv8
Simon Glass
sjg at chromium.org
Sun Aug 2 23:29:18 CEST 2015
Hi Thierry,
On 28 July 2015 at 03:35, Thierry Reding <thierry.reding at gmail.com> wrote:
> From: Thierry Reding <treding at nvidia.com>
>
> ARMv8 requires an architected timer to be present, so it can be used
> instead of the Tegra US timer. This allows for better code reuse.
>
> Signed-off-by: Thierry Reding <treding at nvidia.com>
> ---
> include/configs/tegra-common.h | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/include/configs/tegra-common.h b/include/configs/tegra-common.h
> index 7b4c0d70636e..62b047115343 100644
> --- a/include/configs/tegra-common.h
> +++ b/include/configs/tegra-common.h
> @@ -18,8 +18,11 @@
>
> #include <asm/arch/tegra.h> /* get chip and board defs */
>
> +/* Use the Tegra US timer on ARMv7, but the architected timer on ARMv8. */
> +#ifndef CONFIG_ARM64
> #define CONFIG_SYS_TIMER_RATE 1000000
> #define CONFIG_SYS_TIMER_COUNTER NV_PA_TMRUS_BASE
> +#endif
>
> /*
> * Display CPU and Board information
> --
> 2.4.5
>
Shouldn't this go in tegra210-common.h or similar?
Regards,
Simon
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