Hi Rob,
On Sun, 2 Dec 2012 21:06:21 -0600, Rob Herring <robherri...@gmail.com>
wrote:
> From: Rob Herring <rob.herr...@calxeda.com>
>
> Since wfi instruction is only available on ARMv7, add a conditional
> macro for it.
>
> Signed-off-by: Rob Herring <rob.herr...@calxeda.com>
> ---
> arch/arm/include/asm/system.h | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
> index 2b28a26..2f6aecd 100644
> --- a/arch/arm/include/asm/system.h
> +++ b/arch/arm/include/asm/system.h
> @@ -61,6 +61,12 @@
>
> #define nop() __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t");
>
> +#ifdef __ARM_ARCH_7A__
> +#define wfi() __asm__ __volatile__ ("wfi" : : : "memory")
> +#else
> +#define wfi()
> +#endif
> +
> static inline unsigned int get_cr(void)
> {
> unsigned int val;
Applied to u-boot-arm/master, thanks!
Amicalement,
--
Albert.
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