[PATCH 1/2] ARM: i.MX27: Add platform support for IRAM.

Guennadi Liakhovetski g.liakhovetski at gmx.de
Tue Nov 6 06:37:35 EST 2012


Hi Javier

On Mon, 5 Nov 2012, Javier Martin wrote:

> Add support for IRAM to i.MX27 non-DT platforms using
> iram_init() function.

I'm not sure this belongs in a camera driver. Can IRAM not be used for 
anything else? I'll check the i.MX27 datasheet when I'm back home after 
the conference, so far this seems a bit odd.

Thanks
Guennadi

> 
> Signed-off-by: Javier Martin <javier.martin at vista-silicon.com>
> ---
>  arch/arm/mach-imx/mm-imx27.c |    3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/arm/mach-imx/mm-imx27.c b/arch/arm/mach-imx/mm-imx27.c
> index e7e24af..fd2416d 100644
> --- a/arch/arm/mach-imx/mm-imx27.c
> +++ b/arch/arm/mach-imx/mm-imx27.c
> @@ -27,6 +27,7 @@
>  #include <asm/pgtable.h>
>  #include <asm/mach/map.h>
>  #include <mach/iomux-v1.h>
> +#include <mach/iram.h>
>  
>  /* MX27 memory map definition */
>  static struct map_desc imx27_io_desc[] __initdata = {
> @@ -94,4 +95,6 @@ void __init imx27_soc_init(void)
>  	/* imx27 has the imx21 type audmux */
>  	platform_device_register_simple("imx21-audmux", 0, imx27_audmux_res,
>  					ARRAY_SIZE(imx27_audmux_res));
> +	/* imx27 has an iram of 46080 bytes size */
> +	iram_init(MX27_IRAM_BASE_ADDR, 46080);
>  }
> -- 
> 1.7.9.5
> 
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---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/



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